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1 Commits
feat/mcp-b
...
refactor/r
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
0fe6cc8dc7 |
@@ -10,7 +10,7 @@ from typing_extensions import TypedDict
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import backend.api.features.store.cache as store_cache
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import backend.api.features.store.model as store_model
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import backend.blocks
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import backend.data.block
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from backend.api.external.middleware import require_permission
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from backend.data import execution as execution_db
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from backend.data import graph as graph_db
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@@ -67,7 +67,7 @@ async def get_user_info(
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dependencies=[Security(require_permission(APIKeyPermission.READ_BLOCK))],
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)
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async def get_graph_blocks() -> Sequence[dict[Any, Any]]:
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blocks = [block() for block in backend.blocks.get_blocks().values()]
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blocks = [block() for block in backend.data.block.get_blocks().values()]
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return [b.to_dict() for b in blocks if not b.disabled]
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@@ -83,7 +83,7 @@ async def execute_graph_block(
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require_permission(APIKeyPermission.EXECUTE_BLOCK)
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),
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) -> CompletedBlockOutput:
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obj = backend.blocks.get_block(block_id)
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obj = backend.data.block.get_block(block_id)
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if not obj:
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raise HTTPException(status_code=404, detail=f"Block #{block_id} not found.")
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if obj.disabled:
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@@ -10,15 +10,10 @@ import backend.api.features.library.db as library_db
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import backend.api.features.library.model as library_model
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import backend.api.features.store.db as store_db
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import backend.api.features.store.model as store_model
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import backend.data.block
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from backend.blocks import load_all_blocks
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from backend.blocks._base import (
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AnyBlockSchema,
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BlockCategory,
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BlockInfo,
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BlockSchema,
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BlockType,
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)
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from backend.blocks.llm import LlmModel
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from backend.data.block import AnyBlockSchema, BlockCategory, BlockInfo, BlockSchema
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from backend.data.db import query_raw_with_schema
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from backend.integrations.providers import ProviderName
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from backend.util.cache import cached
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@@ -27,7 +22,7 @@ from backend.util.models import Pagination
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from .model import (
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BlockCategoryResponse,
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BlockResponse,
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BlockTypeFilter,
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BlockType,
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CountResponse,
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FilterType,
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Provider,
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@@ -93,7 +88,7 @@ def get_block_categories(category_blocks: int = 3) -> list[BlockCategoryResponse
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def get_blocks(
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*,
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category: str | None = None,
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type: BlockTypeFilter | None = None,
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type: BlockType | None = None,
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provider: ProviderName | None = None,
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page: int = 1,
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page_size: int = 50,
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@@ -674,9 +669,9 @@ async def get_suggested_blocks(count: int = 5) -> list[BlockInfo]:
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for block_type in load_all_blocks().values():
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block: AnyBlockSchema = block_type()
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if block.disabled or block.block_type in (
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BlockType.INPUT,
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BlockType.OUTPUT,
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BlockType.AGENT,
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backend.data.block.BlockType.INPUT,
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backend.data.block.BlockType.OUTPUT,
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backend.data.block.BlockType.AGENT,
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):
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continue
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# Find the execution count for this block
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@@ -4,7 +4,7 @@ from pydantic import BaseModel
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import backend.api.features.library.model as library_model
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import backend.api.features.store.model as store_model
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from backend.blocks._base import BlockInfo
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from backend.data.block import BlockInfo
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from backend.integrations.providers import ProviderName
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from backend.util.models import Pagination
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@@ -15,7 +15,7 @@ FilterType = Literal[
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"my_agents",
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]
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BlockTypeFilter = Literal["all", "input", "action", "output"]
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BlockType = Literal["all", "input", "action", "output"]
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class SearchEntry(BaseModel):
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@@ -88,7 +88,7 @@ async def get_block_categories(
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)
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async def get_blocks(
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category: Annotated[str | None, fastapi.Query()] = None,
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type: Annotated[builder_model.BlockTypeFilter | None, fastapi.Query()] = None,
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type: Annotated[builder_model.BlockType | None, fastapi.Query()] = None,
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provider: Annotated[ProviderName | None, fastapi.Query()] = None,
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page: Annotated[int, fastapi.Query()] = 1,
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page_size: Annotated[int, fastapi.Query()] = 50,
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@@ -13,8 +13,7 @@ from backend.api.features.chat.tools.models import (
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NoResultsResponse,
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)
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from backend.api.features.store.hybrid_search import unified_hybrid_search
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from backend.blocks import get_block
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from backend.blocks._base import BlockType
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from backend.data.block import BlockType, get_block
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logger = logging.getLogger(__name__)
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@@ -10,7 +10,7 @@ from backend.api.features.chat.tools.find_block import (
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FindBlockTool,
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)
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from backend.api.features.chat.tools.models import BlockListResponse
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from backend.blocks._base import BlockType
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from backend.data.block import BlockType
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from ._test_data import make_session
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@@ -12,8 +12,7 @@ from backend.api.features.chat.tools.find_block import (
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COPILOT_EXCLUDED_BLOCK_IDS,
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COPILOT_EXCLUDED_BLOCK_TYPES,
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)
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from backend.blocks import get_block
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from backend.blocks._base import AnyBlockSchema
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from backend.data.block import AnyBlockSchema, get_block
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from backend.data.execution import ExecutionContext
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from backend.data.model import CredentialsFieldInfo, CredentialsMetaInput
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from backend.data.workspace import get_or_create_workspace
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@@ -6,7 +6,7 @@ import pytest
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from backend.api.features.chat.tools.models import ErrorResponse
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from backend.api.features.chat.tools.run_block import RunBlockTool
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from backend.blocks._base import BlockType
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from backend.data.block import BlockType
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from ._test_data import make_session
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@@ -15,7 +15,6 @@ from backend.data.model import (
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OAuth2Credentials,
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)
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from backend.integrations.creds_manager import IntegrationCredentialsManager
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from backend.integrations.providers import ProviderName
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from backend.util.exceptions import NotFoundError
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logger = logging.getLogger(__name__)
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@@ -360,7 +359,7 @@ async def match_user_credentials_to_graph(
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_,
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_,
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) in aggregated_creds.items():
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# Find first matching credential by provider, type, scopes, and host/URL
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# Find first matching credential by provider, type, and scopes
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matching_cred = next(
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(
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cred
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@@ -375,10 +374,6 @@ async def match_user_credentials_to_graph(
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cred.type != "host_scoped"
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or _credential_is_for_host(cred, credential_requirements)
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)
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and (
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cred.provider != ProviderName.MCP
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or _credential_is_for_mcp_server(cred, credential_requirements)
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)
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),
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None,
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)
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@@ -449,22 +444,6 @@ def _credential_is_for_host(
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return credential.matches_url(list(requirements.discriminator_values)[0])
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def _credential_is_for_mcp_server(
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credential: Credentials,
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requirements: CredentialsFieldInfo,
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) -> bool:
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"""Check if an MCP OAuth credential matches the required server URL."""
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if not requirements.discriminator_values:
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return True
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server_url = (
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credential.metadata.get("mcp_server_url")
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if isinstance(credential, OAuth2Credentials)
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else None
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)
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return server_url in requirements.discriminator_values if server_url else False
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async def check_user_has_required_credentials(
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user_id: str,
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required_credentials: list[CredentialsMetaInput],
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@@ -1,7 +1,7 @@
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import asyncio
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import logging
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from datetime import datetime, timedelta, timezone
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from typing import TYPE_CHECKING, Annotated, Any, List, Literal
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from typing import TYPE_CHECKING, Annotated, List, Literal
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from autogpt_libs.auth import get_user_id
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from fastapi import (
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@@ -14,7 +14,7 @@ from fastapi import (
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Security,
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status,
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)
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from pydantic import BaseModel, Field, SecretStr, model_validator
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from pydantic import BaseModel, Field, SecretStr
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from starlette.status import HTTP_500_INTERNAL_SERVER_ERROR, HTTP_502_BAD_GATEWAY
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from backend.api.features.library.db import set_preset_webhook, update_preset
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@@ -39,11 +39,7 @@ from backend.data.onboarding import OnboardingStep, complete_onboarding_step
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from backend.data.user import get_user_integrations
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from backend.executor.utils import add_graph_execution
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from backend.integrations.ayrshare import AyrshareClient, SocialPlatform
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from backend.integrations.credentials_store import provider_matches
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from backend.integrations.creds_manager import (
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IntegrationCredentialsManager,
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create_mcp_oauth_handler,
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)
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from backend.integrations.creds_manager import IntegrationCredentialsManager
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from backend.integrations.oauth import CREDENTIALS_BY_PROVIDER, HANDLERS_BY_NAME
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from backend.integrations.providers import ProviderName
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from backend.integrations.webhooks import get_webhook_manager
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@@ -106,37 +102,9 @@ class CredentialsMetaResponse(BaseModel):
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scopes: list[str] | None
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username: str | None
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host: str | None = Field(
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default=None,
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description="Host pattern for host-scoped or MCP server URL for MCP credentials",
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default=None, description="Host pattern for host-scoped credentials"
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)
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@model_validator(mode="before")
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@classmethod
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def _normalize_provider(cls, data: Any) -> Any:
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"""Fix ``ProviderName.X`` format from Python 3.13 ``str(Enum)`` bug."""
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if isinstance(data, dict):
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prov = data.get("provider", "")
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if isinstance(prov, str) and prov.startswith("ProviderName."):
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member = prov.removeprefix("ProviderName.")
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try:
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data = {**data, "provider": ProviderName[member].value}
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except KeyError:
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pass
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return data
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@staticmethod
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def get_host(cred: Credentials) -> str | None:
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"""Extract host from credential: HostScoped host or MCP server URL."""
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if isinstance(cred, HostScopedCredentials):
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return cred.host
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if isinstance(cred, OAuth2Credentials) and cred.provider in (
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ProviderName.MCP,
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ProviderName.MCP.value,
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"ProviderName.MCP",
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):
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return (cred.metadata or {}).get("mcp_server_url")
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return None
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@router.post("/{provider}/callback", summary="Exchange OAuth code for tokens")
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async def callback(
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@@ -211,7 +179,9 @@ async def callback(
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title=credentials.title,
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scopes=credentials.scopes,
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username=credentials.username,
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host=(CredentialsMetaResponse.get_host(credentials)),
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host=(
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credentials.host if isinstance(credentials, HostScopedCredentials) else None
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),
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)
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@@ -229,7 +199,7 @@ async def list_credentials(
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title=cred.title,
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scopes=cred.scopes if isinstance(cred, OAuth2Credentials) else None,
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username=cred.username if isinstance(cred, OAuth2Credentials) else None,
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host=CredentialsMetaResponse.get_host(cred),
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host=cred.host if isinstance(cred, HostScopedCredentials) else None,
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)
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for cred in credentials
|
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]
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@@ -252,7 +222,7 @@ async def list_credentials_by_provider(
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title=cred.title,
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scopes=cred.scopes if isinstance(cred, OAuth2Credentials) else None,
|
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username=cred.username if isinstance(cred, OAuth2Credentials) else None,
|
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host=CredentialsMetaResponse.get_host(cred),
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host=cred.host if isinstance(cred, HostScopedCredentials) else None,
|
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)
|
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for cred in credentials
|
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]
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@@ -352,11 +322,7 @@ async def delete_credentials(
|
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|
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tokens_revoked = None
|
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if isinstance(creds, OAuth2Credentials):
|
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if provider_matches(provider.value, ProviderName.MCP.value):
|
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# MCP uses dynamic per-server OAuth — create handler from metadata
|
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handler = create_mcp_oauth_handler(creds)
|
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else:
|
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handler = _get_provider_oauth_handler(request, provider)
|
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handler = _get_provider_oauth_handler(request, provider)
|
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tokens_revoked = await handler.revoke_tokens(creds)
|
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|
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return CredentialsDeletionResponse(revoked=tokens_revoked)
|
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|
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@@ -12,11 +12,12 @@ import backend.api.features.store.image_gen as store_image_gen
|
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import backend.api.features.store.media as store_media
|
||||
import backend.data.graph as graph_db
|
||||
import backend.data.integrations as integrations_db
|
||||
from backend.data.block import BlockInput
|
||||
from backend.data.db import transaction
|
||||
from backend.data.execution import get_graph_execution
|
||||
from backend.data.graph import GraphSettings
|
||||
from backend.data.includes import AGENT_PRESET_INCLUDE, library_agent_include
|
||||
from backend.data.model import CredentialsMetaInput, GraphInput
|
||||
from backend.data.model import CredentialsMetaInput
|
||||
from backend.integrations.creds_manager import IntegrationCredentialsManager
|
||||
from backend.integrations.webhooks.graph_lifecycle_hooks import (
|
||||
on_graph_activate,
|
||||
@@ -1129,7 +1130,7 @@ async def create_preset_from_graph_execution(
|
||||
async def update_preset(
|
||||
user_id: str,
|
||||
preset_id: str,
|
||||
inputs: Optional[GraphInput] = None,
|
||||
inputs: Optional[BlockInput] = None,
|
||||
credentials: Optional[dict[str, CredentialsMetaInput]] = None,
|
||||
name: Optional[str] = None,
|
||||
description: Optional[str] = None,
|
||||
|
||||
@@ -6,12 +6,9 @@ import prisma.enums
|
||||
import prisma.models
|
||||
import pydantic
|
||||
|
||||
from backend.data.block import BlockInput
|
||||
from backend.data.graph import GraphModel, GraphSettings, GraphTriggerInfo
|
||||
from backend.data.model import (
|
||||
CredentialsMetaInput,
|
||||
GraphInput,
|
||||
is_credentials_field_name,
|
||||
)
|
||||
from backend.data.model import CredentialsMetaInput, is_credentials_field_name
|
||||
from backend.util.json import loads as json_loads
|
||||
from backend.util.models import Pagination
|
||||
|
||||
@@ -326,7 +323,7 @@ class LibraryAgentPresetCreatable(pydantic.BaseModel):
|
||||
graph_id: str
|
||||
graph_version: int
|
||||
|
||||
inputs: GraphInput
|
||||
inputs: BlockInput
|
||||
credentials: dict[str, CredentialsMetaInput]
|
||||
|
||||
name: str
|
||||
@@ -355,7 +352,7 @@ class LibraryAgentPresetUpdatable(pydantic.BaseModel):
|
||||
Request model used when updating a preset for a library agent.
|
||||
"""
|
||||
|
||||
inputs: Optional[GraphInput] = None
|
||||
inputs: Optional[BlockInput] = None
|
||||
credentials: Optional[dict[str, CredentialsMetaInput]] = None
|
||||
|
||||
name: Optional[str] = None
|
||||
@@ -398,7 +395,7 @@ class LibraryAgentPreset(LibraryAgentPresetCreatable):
|
||||
"Webhook must be included in AgentPreset query when webhookId is set"
|
||||
)
|
||||
|
||||
input_data: GraphInput = {}
|
||||
input_data: BlockInput = {}
|
||||
input_credentials: dict[str, CredentialsMetaInput] = {}
|
||||
|
||||
for preset_input in preset.InputPresets:
|
||||
|
||||
@@ -1,404 +0,0 @@
|
||||
"""
|
||||
MCP (Model Context Protocol) API routes.
|
||||
|
||||
Provides endpoints for MCP tool discovery and OAuth authentication so the
|
||||
frontend can list available tools on an MCP server before placing a block.
|
||||
"""
|
||||
|
||||
import logging
|
||||
from typing import Annotated, Any
|
||||
from urllib.parse import urlparse
|
||||
|
||||
import fastapi
|
||||
from autogpt_libs.auth import get_user_id
|
||||
from fastapi import Security
|
||||
from pydantic import BaseModel, Field
|
||||
|
||||
from backend.api.features.integrations.router import CredentialsMetaResponse
|
||||
from backend.blocks.mcp.client import MCPClient, MCPClientError
|
||||
from backend.blocks.mcp.oauth import MCPOAuthHandler
|
||||
from backend.data.model import OAuth2Credentials
|
||||
from backend.integrations.creds_manager import IntegrationCredentialsManager
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util.request import HTTPClientError, Requests
|
||||
from backend.util.settings import Settings
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
settings = Settings()
|
||||
router = fastapi.APIRouter(tags=["mcp"])
|
||||
creds_manager = IntegrationCredentialsManager()
|
||||
|
||||
|
||||
# ====================== Tool Discovery ====================== #
|
||||
|
||||
|
||||
class DiscoverToolsRequest(BaseModel):
|
||||
"""Request to discover tools on an MCP server."""
|
||||
|
||||
server_url: str = Field(description="URL of the MCP server")
|
||||
auth_token: str | None = Field(
|
||||
default=None,
|
||||
description="Optional Bearer token for authenticated MCP servers",
|
||||
)
|
||||
|
||||
|
||||
class MCPToolResponse(BaseModel):
|
||||
"""A single MCP tool returned by discovery."""
|
||||
|
||||
name: str
|
||||
description: str
|
||||
input_schema: dict[str, Any]
|
||||
|
||||
|
||||
class DiscoverToolsResponse(BaseModel):
|
||||
"""Response containing the list of tools available on an MCP server."""
|
||||
|
||||
tools: list[MCPToolResponse]
|
||||
server_name: str | None = None
|
||||
protocol_version: str | None = None
|
||||
|
||||
|
||||
@router.post(
|
||||
"/discover-tools",
|
||||
summary="Discover available tools on an MCP server",
|
||||
response_model=DiscoverToolsResponse,
|
||||
)
|
||||
async def discover_tools(
|
||||
request: DiscoverToolsRequest,
|
||||
user_id: Annotated[str, Security(get_user_id)],
|
||||
) -> DiscoverToolsResponse:
|
||||
"""
|
||||
Connect to an MCP server and return its available tools.
|
||||
|
||||
If the user has a stored MCP credential for this server URL, it will be
|
||||
used automatically — no need to pass an explicit auth token.
|
||||
"""
|
||||
auth_token = request.auth_token
|
||||
|
||||
# Auto-use stored MCP credential when no explicit token is provided.
|
||||
if not auth_token:
|
||||
mcp_creds = await creds_manager.store.get_creds_by_provider(
|
||||
user_id, ProviderName.MCP.value
|
||||
)
|
||||
# Find the freshest credential for this server URL
|
||||
best_cred: OAuth2Credentials | None = None
|
||||
for cred in mcp_creds:
|
||||
if (
|
||||
isinstance(cred, OAuth2Credentials)
|
||||
and (cred.metadata or {}).get("mcp_server_url") == request.server_url
|
||||
):
|
||||
if best_cred is None or (
|
||||
(cred.access_token_expires_at or 0)
|
||||
> (best_cred.access_token_expires_at or 0)
|
||||
):
|
||||
best_cred = cred
|
||||
if best_cred:
|
||||
# Refresh the token if expired before using it
|
||||
best_cred = await creds_manager.refresh_if_needed(user_id, best_cred)
|
||||
logger.info(
|
||||
f"Using MCP credential {best_cred.id} for {request.server_url}, "
|
||||
f"expires_at={best_cred.access_token_expires_at}"
|
||||
)
|
||||
auth_token = best_cred.access_token.get_secret_value()
|
||||
|
||||
client = MCPClient(request.server_url, auth_token=auth_token)
|
||||
|
||||
try:
|
||||
init_result = await client.initialize()
|
||||
tools = await client.list_tools()
|
||||
except HTTPClientError as e:
|
||||
if e.status_code in (401, 403):
|
||||
raise fastapi.HTTPException(
|
||||
status_code=401,
|
||||
detail="This MCP server requires authentication. "
|
||||
"Please provide a valid auth token.",
|
||||
)
|
||||
raise fastapi.HTTPException(status_code=502, detail=str(e))
|
||||
except MCPClientError as e:
|
||||
raise fastapi.HTTPException(status_code=502, detail=str(e))
|
||||
except Exception as e:
|
||||
raise fastapi.HTTPException(
|
||||
status_code=502,
|
||||
detail=f"Failed to connect to MCP server: {e}",
|
||||
)
|
||||
|
||||
return DiscoverToolsResponse(
|
||||
tools=[
|
||||
MCPToolResponse(
|
||||
name=t.name,
|
||||
description=t.description,
|
||||
input_schema=t.input_schema,
|
||||
)
|
||||
for t in tools
|
||||
],
|
||||
server_name=(
|
||||
init_result.get("serverInfo", {}).get("name")
|
||||
or urlparse(request.server_url).hostname
|
||||
or "MCP"
|
||||
),
|
||||
protocol_version=init_result.get("protocolVersion"),
|
||||
)
|
||||
|
||||
|
||||
# ======================== OAuth Flow ======================== #
|
||||
|
||||
|
||||
class MCPOAuthLoginRequest(BaseModel):
|
||||
"""Request to start an OAuth flow for an MCP server."""
|
||||
|
||||
server_url: str = Field(description="URL of the MCP server that requires OAuth")
|
||||
|
||||
|
||||
class MCPOAuthLoginResponse(BaseModel):
|
||||
"""Response with the OAuth login URL for the user to authenticate."""
|
||||
|
||||
login_url: str
|
||||
state_token: str
|
||||
|
||||
|
||||
@router.post(
|
||||
"/oauth/login",
|
||||
summary="Initiate OAuth login for an MCP server",
|
||||
)
|
||||
async def mcp_oauth_login(
|
||||
request: MCPOAuthLoginRequest,
|
||||
user_id: Annotated[str, Security(get_user_id)],
|
||||
) -> MCPOAuthLoginResponse:
|
||||
"""
|
||||
Discover OAuth metadata from the MCP server and return a login URL.
|
||||
|
||||
1. Discovers the protected-resource metadata (RFC 9728)
|
||||
2. Fetches the authorization server metadata (RFC 8414)
|
||||
3. Performs Dynamic Client Registration (RFC 7591) if available
|
||||
4. Returns the authorization URL for the frontend to open in a popup
|
||||
"""
|
||||
client = MCPClient(request.server_url)
|
||||
|
||||
# Step 1: Discover protected-resource metadata (RFC 9728)
|
||||
protected_resource = await client.discover_auth()
|
||||
|
||||
metadata: dict[str, Any] | None = None
|
||||
|
||||
if protected_resource and protected_resource.get("authorization_servers"):
|
||||
auth_server_url = protected_resource["authorization_servers"][0]
|
||||
resource_url = protected_resource.get("resource", request.server_url)
|
||||
|
||||
# Step 2a: Discover auth-server metadata (RFC 8414)
|
||||
metadata = await client.discover_auth_server_metadata(auth_server_url)
|
||||
else:
|
||||
# Fallback: Some MCP servers (e.g. Linear) are their own auth server
|
||||
# and serve OAuth metadata directly without protected-resource metadata.
|
||||
# Don't assume a resource_url — omitting it lets the auth server choose
|
||||
# the correct audience for the token (RFC 8707 resource is optional).
|
||||
resource_url = None
|
||||
metadata = await client.discover_auth_server_metadata(request.server_url)
|
||||
|
||||
if (
|
||||
not metadata
|
||||
or "authorization_endpoint" not in metadata
|
||||
or "token_endpoint" not in metadata
|
||||
):
|
||||
raise fastapi.HTTPException(
|
||||
status_code=400,
|
||||
detail="This MCP server does not advertise OAuth support. "
|
||||
"You may need to provide an auth token manually.",
|
||||
)
|
||||
|
||||
authorize_url = metadata["authorization_endpoint"]
|
||||
token_url = metadata["token_endpoint"]
|
||||
registration_endpoint = metadata.get("registration_endpoint")
|
||||
revoke_url = metadata.get("revocation_endpoint")
|
||||
|
||||
# Step 3: Dynamic Client Registration (RFC 7591) if available
|
||||
frontend_base_url = settings.config.frontend_base_url
|
||||
if not frontend_base_url:
|
||||
raise fastapi.HTTPException(
|
||||
status_code=500,
|
||||
detail="Frontend base URL is not configured.",
|
||||
)
|
||||
redirect_uri = f"{frontend_base_url}/auth/integrations/mcp_callback"
|
||||
|
||||
client_id = ""
|
||||
client_secret = ""
|
||||
if registration_endpoint:
|
||||
reg_result = await _register_mcp_client(
|
||||
registration_endpoint, redirect_uri, request.server_url
|
||||
)
|
||||
if reg_result:
|
||||
client_id = reg_result.get("client_id", "")
|
||||
client_secret = reg_result.get("client_secret", "")
|
||||
|
||||
if not client_id:
|
||||
client_id = "autogpt-platform"
|
||||
|
||||
# Step 4: Store state token with OAuth metadata for the callback
|
||||
scopes = (protected_resource or {}).get("scopes_supported") or metadata.get(
|
||||
"scopes_supported", []
|
||||
)
|
||||
state_token, code_challenge = await creds_manager.store.store_state_token(
|
||||
user_id,
|
||||
ProviderName.MCP.value,
|
||||
scopes,
|
||||
state_metadata={
|
||||
"authorize_url": authorize_url,
|
||||
"token_url": token_url,
|
||||
"revoke_url": revoke_url,
|
||||
"resource_url": resource_url,
|
||||
"server_url": request.server_url,
|
||||
"client_id": client_id,
|
||||
"client_secret": client_secret,
|
||||
},
|
||||
)
|
||||
|
||||
# Step 5: Build and return the login URL
|
||||
handler = MCPOAuthHandler(
|
||||
client_id=client_id,
|
||||
client_secret=client_secret,
|
||||
redirect_uri=redirect_uri,
|
||||
authorize_url=authorize_url,
|
||||
token_url=token_url,
|
||||
resource_url=resource_url,
|
||||
)
|
||||
login_url = handler.get_login_url(
|
||||
scopes, state_token, code_challenge=code_challenge
|
||||
)
|
||||
|
||||
return MCPOAuthLoginResponse(login_url=login_url, state_token=state_token)
|
||||
|
||||
|
||||
class MCPOAuthCallbackRequest(BaseModel):
|
||||
"""Request to exchange an OAuth code for tokens."""
|
||||
|
||||
code: str = Field(description="Authorization code from OAuth callback")
|
||||
state_token: str = Field(description="State token for CSRF verification")
|
||||
|
||||
|
||||
class MCPOAuthCallbackResponse(BaseModel):
|
||||
"""Response after successfully storing OAuth credentials."""
|
||||
|
||||
credential_id: str
|
||||
|
||||
|
||||
@router.post(
|
||||
"/oauth/callback",
|
||||
summary="Exchange OAuth code for MCP tokens",
|
||||
)
|
||||
async def mcp_oauth_callback(
|
||||
request: MCPOAuthCallbackRequest,
|
||||
user_id: Annotated[str, Security(get_user_id)],
|
||||
) -> CredentialsMetaResponse:
|
||||
"""
|
||||
Exchange the authorization code for tokens and store the credential.
|
||||
|
||||
The frontend calls this after receiving the OAuth code from the popup.
|
||||
On success, subsequent ``/discover-tools`` calls for the same server URL
|
||||
will automatically use the stored credential.
|
||||
"""
|
||||
valid_state = await creds_manager.store.verify_state_token(
|
||||
user_id, request.state_token, ProviderName.MCP.value
|
||||
)
|
||||
if not valid_state:
|
||||
raise fastapi.HTTPException(
|
||||
status_code=400,
|
||||
detail="Invalid or expired state token.",
|
||||
)
|
||||
|
||||
meta = valid_state.state_metadata
|
||||
frontend_base_url = settings.config.frontend_base_url
|
||||
if not frontend_base_url:
|
||||
raise fastapi.HTTPException(
|
||||
status_code=500,
|
||||
detail="Frontend base URL is not configured.",
|
||||
)
|
||||
redirect_uri = f"{frontend_base_url}/auth/integrations/mcp_callback"
|
||||
|
||||
handler = MCPOAuthHandler(
|
||||
client_id=meta["client_id"],
|
||||
client_secret=meta.get("client_secret", ""),
|
||||
redirect_uri=redirect_uri,
|
||||
authorize_url=meta["authorize_url"],
|
||||
token_url=meta["token_url"],
|
||||
revoke_url=meta.get("revoke_url"),
|
||||
resource_url=meta.get("resource_url"),
|
||||
)
|
||||
|
||||
try:
|
||||
credentials = await handler.exchange_code_for_tokens(
|
||||
request.code, valid_state.scopes, valid_state.code_verifier
|
||||
)
|
||||
except Exception as e:
|
||||
raise fastapi.HTTPException(
|
||||
status_code=400,
|
||||
detail=f"OAuth token exchange failed: {e}",
|
||||
)
|
||||
|
||||
# Enrich credential metadata for future lookup and token refresh
|
||||
if credentials.metadata is None:
|
||||
credentials.metadata = {}
|
||||
credentials.metadata["mcp_server_url"] = meta["server_url"]
|
||||
credentials.metadata["mcp_client_id"] = meta["client_id"]
|
||||
credentials.metadata["mcp_client_secret"] = meta.get("client_secret", "")
|
||||
credentials.metadata["mcp_token_url"] = meta["token_url"]
|
||||
credentials.metadata["mcp_resource_url"] = meta.get("resource_url", "")
|
||||
|
||||
hostname = urlparse(meta["server_url"]).hostname or meta["server_url"]
|
||||
credentials.title = f"MCP: {hostname}"
|
||||
|
||||
# Remove old MCP credentials for the same server to prevent stale token buildup.
|
||||
try:
|
||||
old_creds = await creds_manager.store.get_creds_by_provider(
|
||||
user_id, ProviderName.MCP.value
|
||||
)
|
||||
for old in old_creds:
|
||||
if (
|
||||
isinstance(old, OAuth2Credentials)
|
||||
and (old.metadata or {}).get("mcp_server_url") == meta["server_url"]
|
||||
):
|
||||
await creds_manager.store.delete_creds_by_id(user_id, old.id)
|
||||
logger.info(
|
||||
f"Removed old MCP credential {old.id} for {meta['server_url']}"
|
||||
)
|
||||
except Exception:
|
||||
logger.debug("Could not clean up old MCP credentials", exc_info=True)
|
||||
|
||||
await creds_manager.create(user_id, credentials)
|
||||
|
||||
return CredentialsMetaResponse(
|
||||
id=credentials.id,
|
||||
provider=credentials.provider,
|
||||
type=credentials.type,
|
||||
title=credentials.title,
|
||||
scopes=credentials.scopes,
|
||||
username=credentials.username,
|
||||
host=credentials.metadata.get("mcp_server_url"),
|
||||
)
|
||||
|
||||
|
||||
# ======================== Helpers ======================== #
|
||||
|
||||
|
||||
async def _register_mcp_client(
|
||||
registration_endpoint: str,
|
||||
redirect_uri: str,
|
||||
server_url: str,
|
||||
) -> dict[str, Any] | None:
|
||||
"""Attempt Dynamic Client Registration (RFC 7591) with an MCP auth server."""
|
||||
try:
|
||||
response = await Requests(raise_for_status=True).post(
|
||||
registration_endpoint,
|
||||
json={
|
||||
"client_name": "AutoGPT Platform",
|
||||
"redirect_uris": [redirect_uri],
|
||||
"grant_types": ["authorization_code"],
|
||||
"response_types": ["code"],
|
||||
"token_endpoint_auth_method": "client_secret_post",
|
||||
},
|
||||
)
|
||||
data = response.json()
|
||||
if isinstance(data, dict) and "client_id" in data:
|
||||
return data
|
||||
return None
|
||||
except Exception as e:
|
||||
logger.warning(f"Dynamic client registration failed for {server_url}: {e}")
|
||||
return None
|
||||
@@ -1,436 +0,0 @@
|
||||
"""Tests for MCP API routes.
|
||||
|
||||
Uses httpx.AsyncClient with ASGITransport instead of fastapi.testclient.TestClient
|
||||
to avoid creating blocking portals that can corrupt pytest-asyncio's session event loop.
|
||||
"""
|
||||
|
||||
from unittest.mock import AsyncMock, patch
|
||||
|
||||
import fastapi
|
||||
import httpx
|
||||
import pytest
|
||||
import pytest_asyncio
|
||||
from autogpt_libs.auth import get_user_id
|
||||
|
||||
from backend.api.features.mcp.routes import router
|
||||
from backend.blocks.mcp.client import MCPClientError, MCPTool
|
||||
from backend.util.request import HTTPClientError
|
||||
|
||||
app = fastapi.FastAPI()
|
||||
app.include_router(router)
|
||||
app.dependency_overrides[get_user_id] = lambda: "test-user-id"
|
||||
|
||||
|
||||
@pytest_asyncio.fixture(scope="module")
|
||||
async def client():
|
||||
transport = httpx.ASGITransport(app=app)
|
||||
async with httpx.AsyncClient(transport=transport, base_url="http://test") as c:
|
||||
yield c
|
||||
|
||||
|
||||
class TestDiscoverTools:
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_success(self, client):
|
||||
mock_tools = [
|
||||
MCPTool(
|
||||
name="get_weather",
|
||||
description="Get weather for a city",
|
||||
input_schema={
|
||||
"type": "object",
|
||||
"properties": {"city": {"type": "string"}},
|
||||
"required": ["city"],
|
||||
},
|
||||
),
|
||||
MCPTool(
|
||||
name="add_numbers",
|
||||
description="Add two numbers",
|
||||
input_schema={
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"a": {"type": "number"},
|
||||
"b": {"type": "number"},
|
||||
},
|
||||
},
|
||||
),
|
||||
]
|
||||
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
return_value={
|
||||
"protocolVersion": "2025-03-26",
|
||||
"serverInfo": {"name": "test-server"},
|
||||
}
|
||||
)
|
||||
instance.list_tools = AsyncMock(return_value=mock_tools)
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://mcp.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
data = response.json()
|
||||
assert len(data["tools"]) == 2
|
||||
assert data["tools"][0]["name"] == "get_weather"
|
||||
assert data["tools"][1]["name"] == "add_numbers"
|
||||
assert data["server_name"] == "test-server"
|
||||
assert data["protocol_version"] == "2025-03-26"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_with_auth_token(self, client):
|
||||
with patch("backend.api.features.mcp.routes.MCPClient") as MockClient:
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
return_value={"serverInfo": {}, "protocolVersion": "2025-03-26"}
|
||||
)
|
||||
instance.list_tools = AsyncMock(return_value=[])
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={
|
||||
"server_url": "https://mcp.example.com/mcp",
|
||||
"auth_token": "my-secret-token",
|
||||
},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
MockClient.assert_called_once_with(
|
||||
"https://mcp.example.com/mcp",
|
||||
auth_token="my-secret-token",
|
||||
)
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_auto_uses_stored_credential(self, client):
|
||||
"""When no explicit token is given, stored MCP credentials are used."""
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.data.model import OAuth2Credentials
|
||||
|
||||
stored_cred = OAuth2Credentials(
|
||||
provider="mcp",
|
||||
title="MCP: example.com",
|
||||
access_token=SecretStr("stored-token-123"),
|
||||
refresh_token=None,
|
||||
access_token_expires_at=None,
|
||||
refresh_token_expires_at=None,
|
||||
scopes=[],
|
||||
metadata={"mcp_server_url": "https://mcp.example.com/mcp"},
|
||||
)
|
||||
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[stored_cred])
|
||||
mock_cm.refresh_if_needed = AsyncMock(return_value=stored_cred)
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
return_value={"serverInfo": {}, "protocolVersion": "2025-03-26"}
|
||||
)
|
||||
instance.list_tools = AsyncMock(return_value=[])
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://mcp.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
MockClient.assert_called_once_with(
|
||||
"https://mcp.example.com/mcp",
|
||||
auth_token="stored-token-123",
|
||||
)
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_mcp_error(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
side_effect=MCPClientError("Connection refused")
|
||||
)
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://bad-server.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 502
|
||||
assert "Connection refused" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_generic_error(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(side_effect=Exception("Network timeout"))
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://timeout.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 502
|
||||
assert "Failed to connect" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_auth_required(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
side_effect=HTTPClientError("HTTP 401 Error: Unauthorized", 401)
|
||||
)
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://auth-server.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 401
|
||||
assert "requires authentication" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_forbidden(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
):
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
instance = MockClient.return_value
|
||||
instance.initialize = AsyncMock(
|
||||
side_effect=HTTPClientError("HTTP 403 Error: Forbidden", 403)
|
||||
)
|
||||
|
||||
response = await client.post(
|
||||
"/discover-tools",
|
||||
json={"server_url": "https://auth-server.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 401
|
||||
assert "requires authentication" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_tools_missing_url(self, client):
|
||||
response = await client.post("/discover-tools", json={})
|
||||
assert response.status_code == 422
|
||||
|
||||
|
||||
class TestOAuthLogin:
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_login_success(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
patch("backend.api.features.mcp.routes.settings") as mock_settings,
|
||||
patch(
|
||||
"backend.api.features.mcp.routes._register_mcp_client"
|
||||
) as mock_register,
|
||||
):
|
||||
instance = MockClient.return_value
|
||||
instance.discover_auth = AsyncMock(
|
||||
return_value={
|
||||
"authorization_servers": ["https://auth.sentry.io"],
|
||||
"resource": "https://mcp.sentry.dev/mcp",
|
||||
"scopes_supported": ["openid"],
|
||||
}
|
||||
)
|
||||
instance.discover_auth_server_metadata = AsyncMock(
|
||||
return_value={
|
||||
"authorization_endpoint": "https://auth.sentry.io/authorize",
|
||||
"token_endpoint": "https://auth.sentry.io/token",
|
||||
"registration_endpoint": "https://auth.sentry.io/register",
|
||||
}
|
||||
)
|
||||
mock_register.return_value = {
|
||||
"client_id": "registered-client-id",
|
||||
"client_secret": "registered-secret",
|
||||
}
|
||||
mock_cm.store.store_state_token = AsyncMock(
|
||||
return_value=("state-token-123", "code-challenge-abc")
|
||||
)
|
||||
mock_settings.config.frontend_base_url = "http://localhost:3000"
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/login",
|
||||
json={"server_url": "https://mcp.sentry.dev/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
data = response.json()
|
||||
assert "login_url" in data
|
||||
assert data["state_token"] == "state-token-123"
|
||||
assert "auth.sentry.io/authorize" in data["login_url"]
|
||||
assert "registered-client-id" in data["login_url"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_login_no_oauth_support(self, client):
|
||||
with patch("backend.api.features.mcp.routes.MCPClient") as MockClient:
|
||||
instance = MockClient.return_value
|
||||
instance.discover_auth = AsyncMock(return_value=None)
|
||||
instance.discover_auth_server_metadata = AsyncMock(return_value=None)
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/login",
|
||||
json={"server_url": "https://simple-server.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 400
|
||||
assert "does not advertise OAuth" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_login_fallback_to_public_client(self, client):
|
||||
"""When DCR is unavailable, falls back to default public client ID."""
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.MCPClient") as MockClient,
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
patch("backend.api.features.mcp.routes.settings") as mock_settings,
|
||||
):
|
||||
instance = MockClient.return_value
|
||||
instance.discover_auth = AsyncMock(
|
||||
return_value={
|
||||
"authorization_servers": ["https://auth.example.com"],
|
||||
"resource": "https://mcp.example.com/mcp",
|
||||
}
|
||||
)
|
||||
instance.discover_auth_server_metadata = AsyncMock(
|
||||
return_value={
|
||||
"authorization_endpoint": "https://auth.example.com/authorize",
|
||||
"token_endpoint": "https://auth.example.com/token",
|
||||
# No registration_endpoint
|
||||
}
|
||||
)
|
||||
mock_cm.store.store_state_token = AsyncMock(
|
||||
return_value=("state-abc", "challenge-xyz")
|
||||
)
|
||||
mock_settings.config.frontend_base_url = "http://localhost:3000"
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/login",
|
||||
json={"server_url": "https://mcp.example.com/mcp"},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
data = response.json()
|
||||
assert "autogpt-platform" in data["login_url"]
|
||||
|
||||
|
||||
class TestOAuthCallback:
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_callback_success(self, client):
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.data.model import OAuth2Credentials
|
||||
|
||||
mock_creds = OAuth2Credentials(
|
||||
provider="mcp",
|
||||
title=None,
|
||||
access_token=SecretStr("access-token-xyz"),
|
||||
refresh_token=None,
|
||||
access_token_expires_at=None,
|
||||
refresh_token_expires_at=None,
|
||||
scopes=[],
|
||||
metadata={
|
||||
"mcp_token_url": "https://auth.sentry.io/token",
|
||||
"mcp_resource_url": "https://mcp.sentry.dev/mcp",
|
||||
},
|
||||
)
|
||||
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
patch("backend.api.features.mcp.routes.settings") as mock_settings,
|
||||
patch("backend.api.features.mcp.routes.MCPOAuthHandler") as MockHandler,
|
||||
):
|
||||
mock_settings.config.frontend_base_url = "http://localhost:3000"
|
||||
|
||||
# Mock state verification
|
||||
mock_state = AsyncMock()
|
||||
mock_state.state_metadata = {
|
||||
"authorize_url": "https://auth.sentry.io/authorize",
|
||||
"token_url": "https://auth.sentry.io/token",
|
||||
"client_id": "test-client-id",
|
||||
"client_secret": "test-secret",
|
||||
"server_url": "https://mcp.sentry.dev/mcp",
|
||||
}
|
||||
mock_state.scopes = ["openid"]
|
||||
mock_state.code_verifier = "verifier-123"
|
||||
mock_cm.store.verify_state_token = AsyncMock(return_value=mock_state)
|
||||
mock_cm.create = AsyncMock()
|
||||
|
||||
handler_instance = MockHandler.return_value
|
||||
handler_instance.exchange_code_for_tokens = AsyncMock(
|
||||
return_value=mock_creds
|
||||
)
|
||||
|
||||
# Mock old credential cleanup
|
||||
mock_cm.store.get_creds_by_provider = AsyncMock(return_value=[])
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/callback",
|
||||
json={"code": "auth-code-abc", "state_token": "state-token-123"},
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
data = response.json()
|
||||
assert "id" in data
|
||||
assert data["provider"] == "mcp"
|
||||
assert data["type"] == "oauth2"
|
||||
mock_cm.create.assert_called_once()
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_callback_invalid_state(self, client):
|
||||
with patch("backend.api.features.mcp.routes.creds_manager") as mock_cm:
|
||||
mock_cm.store.verify_state_token = AsyncMock(return_value=None)
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/callback",
|
||||
json={"code": "auth-code", "state_token": "bad-state"},
|
||||
)
|
||||
|
||||
assert response.status_code == 400
|
||||
assert "Invalid or expired" in response.json()["detail"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_oauth_callback_token_exchange_fails(self, client):
|
||||
with (
|
||||
patch("backend.api.features.mcp.routes.creds_manager") as mock_cm,
|
||||
patch("backend.api.features.mcp.routes.settings") as mock_settings,
|
||||
patch("backend.api.features.mcp.routes.MCPOAuthHandler") as MockHandler,
|
||||
):
|
||||
mock_settings.config.frontend_base_url = "http://localhost:3000"
|
||||
mock_state = AsyncMock()
|
||||
mock_state.state_metadata = {
|
||||
"authorize_url": "https://auth.example.com/authorize",
|
||||
"token_url": "https://auth.example.com/token",
|
||||
"client_id": "cid",
|
||||
"server_url": "https://mcp.example.com/mcp",
|
||||
}
|
||||
mock_state.scopes = []
|
||||
mock_state.code_verifier = "v"
|
||||
mock_cm.store.verify_state_token = AsyncMock(return_value=mock_state)
|
||||
|
||||
handler_instance = MockHandler.return_value
|
||||
handler_instance.exchange_code_for_tokens = AsyncMock(
|
||||
side_effect=RuntimeError("Token exchange failed")
|
||||
)
|
||||
|
||||
response = await client.post(
|
||||
"/oauth/callback",
|
||||
json={"code": "bad-code", "state_token": "state"},
|
||||
)
|
||||
|
||||
assert response.status_code == 400
|
||||
assert "token exchange failed" in response.json()["detail"].lower()
|
||||
@@ -5,8 +5,8 @@ from typing import Optional
|
||||
import aiohttp
|
||||
from fastapi import HTTPException
|
||||
|
||||
from backend.blocks import get_block
|
||||
from backend.data import graph as graph_db
|
||||
from backend.data.block import get_block
|
||||
from backend.util.settings import Settings
|
||||
|
||||
from .models import ApiResponse, ChatRequest, GraphData
|
||||
|
||||
@@ -152,7 +152,7 @@ class BlockHandler(ContentHandler):
|
||||
|
||||
async def get_missing_items(self, batch_size: int) -> list[ContentItem]:
|
||||
"""Fetch blocks without embeddings."""
|
||||
from backend.blocks import get_blocks
|
||||
from backend.data.block import get_blocks
|
||||
|
||||
# Get all available blocks
|
||||
all_blocks = get_blocks()
|
||||
@@ -249,7 +249,7 @@ class BlockHandler(ContentHandler):
|
||||
|
||||
async def get_stats(self) -> dict[str, int]:
|
||||
"""Get statistics about block embedding coverage."""
|
||||
from backend.blocks import get_blocks
|
||||
from backend.data.block import get_blocks
|
||||
|
||||
all_blocks = get_blocks()
|
||||
|
||||
|
||||
@@ -93,7 +93,7 @@ async def test_block_handler_get_missing_items(mocker):
|
||||
mock_existing = []
|
||||
|
||||
with patch(
|
||||
"backend.blocks.get_blocks",
|
||||
"backend.data.block.get_blocks",
|
||||
return_value=mock_blocks,
|
||||
):
|
||||
with patch(
|
||||
@@ -135,7 +135,7 @@ async def test_block_handler_get_stats(mocker):
|
||||
mock_embedded = [{"count": 2}]
|
||||
|
||||
with patch(
|
||||
"backend.blocks.get_blocks",
|
||||
"backend.data.block.get_blocks",
|
||||
return_value=mock_blocks,
|
||||
):
|
||||
with patch(
|
||||
@@ -327,7 +327,7 @@ async def test_block_handler_handles_missing_attributes():
|
||||
mock_blocks = {"block-minimal": mock_block_class}
|
||||
|
||||
with patch(
|
||||
"backend.blocks.get_blocks",
|
||||
"backend.data.block.get_blocks",
|
||||
return_value=mock_blocks,
|
||||
):
|
||||
with patch(
|
||||
@@ -360,7 +360,7 @@ async def test_block_handler_skips_failed_blocks():
|
||||
mock_blocks = {"good-block": good_block, "bad-block": bad_block}
|
||||
|
||||
with patch(
|
||||
"backend.blocks.get_blocks",
|
||||
"backend.data.block.get_blocks",
|
||||
return_value=mock_blocks,
|
||||
):
|
||||
with patch(
|
||||
|
||||
@@ -662,7 +662,7 @@ async def cleanup_orphaned_embeddings() -> dict[str, Any]:
|
||||
)
|
||||
current_ids = {row["id"] for row in valid_agents}
|
||||
elif content_type == ContentType.BLOCK:
|
||||
from backend.blocks import get_blocks
|
||||
from backend.data.block import get_blocks
|
||||
|
||||
current_ids = set(get_blocks().keys())
|
||||
elif content_type == ContentType.DOCUMENTATION:
|
||||
|
||||
@@ -7,6 +7,15 @@ from replicate.client import Client as ReplicateClient
|
||||
from replicate.exceptions import ReplicateError
|
||||
from replicate.helpers import FileOutput
|
||||
|
||||
from backend.blocks.ideogram import (
|
||||
AspectRatio,
|
||||
ColorPalettePreset,
|
||||
IdeogramModelBlock,
|
||||
IdeogramModelName,
|
||||
MagicPromptOption,
|
||||
StyleType,
|
||||
UpscaleOption,
|
||||
)
|
||||
from backend.data.graph import GraphBaseMeta
|
||||
from backend.data.model import CredentialsMetaInput, ProviderName
|
||||
from backend.integrations.credentials_store import ideogram_credentials
|
||||
@@ -41,16 +50,6 @@ async def generate_agent_image_v2(graph: GraphBaseMeta | AgentGraph) -> io.Bytes
|
||||
if not ideogram_credentials.api_key:
|
||||
raise ValueError("Missing Ideogram API key")
|
||||
|
||||
from backend.blocks.ideogram import (
|
||||
AspectRatio,
|
||||
ColorPalettePreset,
|
||||
IdeogramModelBlock,
|
||||
IdeogramModelName,
|
||||
MagicPromptOption,
|
||||
StyleType,
|
||||
UpscaleOption,
|
||||
)
|
||||
|
||||
name = graph.name
|
||||
description = f"{name} ({graph.description})" if graph.description else name
|
||||
|
||||
|
||||
@@ -40,11 +40,10 @@ from backend.api.model import (
|
||||
UpdateTimezoneRequest,
|
||||
UploadFileResponse,
|
||||
)
|
||||
from backend.blocks import get_block, get_blocks
|
||||
from backend.data import execution as execution_db
|
||||
from backend.data import graph as graph_db
|
||||
from backend.data.auth import api_key as api_key_db
|
||||
from backend.data.block import BlockInput, CompletedBlockOutput
|
||||
from backend.data.block import BlockInput, CompletedBlockOutput, get_block, get_blocks
|
||||
from backend.data.credit import (
|
||||
AutoTopUpConfig,
|
||||
RefundRequest,
|
||||
|
||||
@@ -26,7 +26,6 @@ import backend.api.features.executions.review.routes
|
||||
import backend.api.features.library.db
|
||||
import backend.api.features.library.model
|
||||
import backend.api.features.library.routes
|
||||
import backend.api.features.mcp.routes as mcp_routes
|
||||
import backend.api.features.oauth
|
||||
import backend.api.features.otto.routes
|
||||
import backend.api.features.postmark.postmark
|
||||
@@ -344,11 +343,6 @@ app.include_router(
|
||||
tags=["workspace"],
|
||||
prefix="/api/workspace",
|
||||
)
|
||||
app.include_router(
|
||||
mcp_routes.router,
|
||||
tags=["v2", "mcp"],
|
||||
prefix="/api/mcp",
|
||||
)
|
||||
app.include_router(
|
||||
backend.api.features.oauth.router,
|
||||
tags=["oauth"],
|
||||
|
||||
@@ -3,19 +3,22 @@ import logging
|
||||
import os
|
||||
import re
|
||||
from pathlib import Path
|
||||
from typing import Sequence, Type, TypeVar
|
||||
from typing import TYPE_CHECKING, TypeVar
|
||||
|
||||
from backend.blocks._base import AnyBlockSchema, BlockType
|
||||
from backend.util.cache import cached
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from backend.data.block import Block
|
||||
|
||||
T = TypeVar("T")
|
||||
|
||||
|
||||
@cached(ttl_seconds=3600)
|
||||
def load_all_blocks() -> dict[str, type["AnyBlockSchema"]]:
|
||||
from backend.blocks._base import Block
|
||||
def load_all_blocks() -> dict[str, type["Block"]]:
|
||||
from backend.data.block import Block
|
||||
from backend.util.settings import Config
|
||||
|
||||
# Check if example blocks should be loaded from settings
|
||||
@@ -47,8 +50,8 @@ def load_all_blocks() -> dict[str, type["AnyBlockSchema"]]:
|
||||
importlib.import_module(f".{module}", package=__name__)
|
||||
|
||||
# Load all Block instances from the available modules
|
||||
available_blocks: dict[str, type["AnyBlockSchema"]] = {}
|
||||
for block_cls in _all_subclasses(Block):
|
||||
available_blocks: dict[str, type["Block"]] = {}
|
||||
for block_cls in all_subclasses(Block):
|
||||
class_name = block_cls.__name__
|
||||
|
||||
if class_name.endswith("Base"):
|
||||
@@ -61,7 +64,7 @@ def load_all_blocks() -> dict[str, type["AnyBlockSchema"]]:
|
||||
"please name the class with 'Base' at the end"
|
||||
)
|
||||
|
||||
block = block_cls() # pyright: ignore[reportAbstractUsage]
|
||||
block = block_cls.create()
|
||||
|
||||
if not isinstance(block.id, str) or len(block.id) != 36:
|
||||
raise ValueError(
|
||||
@@ -102,7 +105,7 @@ def load_all_blocks() -> dict[str, type["AnyBlockSchema"]]:
|
||||
available_blocks[block.id] = block_cls
|
||||
|
||||
# Filter out blocks with incomplete auth configs, e.g. missing OAuth server secrets
|
||||
from ._utils import is_block_auth_configured
|
||||
from backend.data.block import is_block_auth_configured
|
||||
|
||||
filtered_blocks = {}
|
||||
for block_id, block_cls in available_blocks.items():
|
||||
@@ -112,48 +115,11 @@ def load_all_blocks() -> dict[str, type["AnyBlockSchema"]]:
|
||||
return filtered_blocks
|
||||
|
||||
|
||||
def _all_subclasses(cls: type[T]) -> list[type[T]]:
|
||||
__all__ = ["load_all_blocks"]
|
||||
|
||||
|
||||
def all_subclasses(cls: type[T]) -> list[type[T]]:
|
||||
subclasses = cls.__subclasses__()
|
||||
for subclass in subclasses:
|
||||
subclasses += _all_subclasses(subclass)
|
||||
subclasses += all_subclasses(subclass)
|
||||
return subclasses
|
||||
|
||||
|
||||
# ============== Block access helper functions ============== #
|
||||
|
||||
|
||||
def get_blocks() -> dict[str, Type["AnyBlockSchema"]]:
|
||||
return load_all_blocks()
|
||||
|
||||
|
||||
# Note on the return type annotation: https://github.com/microsoft/pyright/issues/10281
|
||||
def get_block(block_id: str) -> "AnyBlockSchema | None":
|
||||
cls = get_blocks().get(block_id)
|
||||
return cls() if cls else None
|
||||
|
||||
|
||||
@cached(ttl_seconds=3600)
|
||||
def get_webhook_block_ids() -> Sequence[str]:
|
||||
return [
|
||||
id
|
||||
for id, B in get_blocks().items()
|
||||
if B().block_type in (BlockType.WEBHOOK, BlockType.WEBHOOK_MANUAL)
|
||||
]
|
||||
|
||||
|
||||
@cached(ttl_seconds=3600)
|
||||
def get_io_block_ids() -> Sequence[str]:
|
||||
return [
|
||||
id
|
||||
for id, B in get_blocks().items()
|
||||
if B().block_type in (BlockType.INPUT, BlockType.OUTPUT)
|
||||
]
|
||||
|
||||
|
||||
@cached(ttl_seconds=3600)
|
||||
def get_human_in_the_loop_block_ids() -> Sequence[str]:
|
||||
return [
|
||||
id
|
||||
for id, B in get_blocks().items()
|
||||
if B().block_type == BlockType.HUMAN_IN_THE_LOOP
|
||||
]
|
||||
|
||||
@@ -1,740 +0,0 @@
|
||||
import inspect
|
||||
import logging
|
||||
from abc import ABC, abstractmethod
|
||||
from enum import Enum
|
||||
from typing import (
|
||||
TYPE_CHECKING,
|
||||
Any,
|
||||
Callable,
|
||||
ClassVar,
|
||||
Generic,
|
||||
Optional,
|
||||
Type,
|
||||
TypeAlias,
|
||||
TypeVar,
|
||||
cast,
|
||||
get_origin,
|
||||
)
|
||||
|
||||
import jsonref
|
||||
import jsonschema
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.data.block import BlockInput, BlockOutput, BlockOutputEntry
|
||||
from backend.data.model import (
|
||||
Credentials,
|
||||
CredentialsFieldInfo,
|
||||
CredentialsMetaInput,
|
||||
SchemaField,
|
||||
is_credentials_field_name,
|
||||
)
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util import json
|
||||
from backend.util.exceptions import (
|
||||
BlockError,
|
||||
BlockExecutionError,
|
||||
BlockInputError,
|
||||
BlockOutputError,
|
||||
BlockUnknownError,
|
||||
)
|
||||
from backend.util.settings import Config
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from backend.data.execution import ExecutionContext
|
||||
from backend.data.model import ContributorDetails, NodeExecutionStats
|
||||
|
||||
from ..data.graph import Link
|
||||
|
||||
app_config = Config()
|
||||
|
||||
|
||||
BlockTestOutput = BlockOutputEntry | tuple[str, Callable[[Any], bool]]
|
||||
|
||||
|
||||
class BlockType(Enum):
|
||||
STANDARD = "Standard"
|
||||
INPUT = "Input"
|
||||
OUTPUT = "Output"
|
||||
NOTE = "Note"
|
||||
WEBHOOK = "Webhook"
|
||||
WEBHOOK_MANUAL = "Webhook (manual)"
|
||||
AGENT = "Agent"
|
||||
AI = "AI"
|
||||
AYRSHARE = "Ayrshare"
|
||||
HUMAN_IN_THE_LOOP = "Human In The Loop"
|
||||
MCP_TOOL = "MCP Tool"
|
||||
|
||||
|
||||
class BlockCategory(Enum):
|
||||
AI = "Block that leverages AI to perform a task."
|
||||
SOCIAL = "Block that interacts with social media platforms."
|
||||
TEXT = "Block that processes text data."
|
||||
SEARCH = "Block that searches or extracts information from the internet."
|
||||
BASIC = "Block that performs basic operations."
|
||||
INPUT = "Block that interacts with input of the graph."
|
||||
OUTPUT = "Block that interacts with output of the graph."
|
||||
LOGIC = "Programming logic to control the flow of your agent"
|
||||
COMMUNICATION = "Block that interacts with communication platforms."
|
||||
DEVELOPER_TOOLS = "Developer tools such as GitHub blocks."
|
||||
DATA = "Block that interacts with structured data."
|
||||
HARDWARE = "Block that interacts with hardware."
|
||||
AGENT = "Block that interacts with other agents."
|
||||
CRM = "Block that interacts with CRM services."
|
||||
SAFETY = (
|
||||
"Block that provides AI safety mechanisms such as detecting harmful content"
|
||||
)
|
||||
PRODUCTIVITY = "Block that helps with productivity"
|
||||
ISSUE_TRACKING = "Block that helps with issue tracking"
|
||||
MULTIMEDIA = "Block that interacts with multimedia content"
|
||||
MARKETING = "Block that helps with marketing"
|
||||
|
||||
def dict(self) -> dict[str, str]:
|
||||
return {"category": self.name, "description": self.value}
|
||||
|
||||
|
||||
class BlockCostType(str, Enum):
|
||||
RUN = "run" # cost X credits per run
|
||||
BYTE = "byte" # cost X credits per byte
|
||||
SECOND = "second" # cost X credits per second
|
||||
|
||||
|
||||
class BlockCost(BaseModel):
|
||||
cost_amount: int
|
||||
cost_filter: BlockInput
|
||||
cost_type: BlockCostType
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
cost_amount: int,
|
||||
cost_type: BlockCostType = BlockCostType.RUN,
|
||||
cost_filter: Optional[BlockInput] = None,
|
||||
**data: Any,
|
||||
) -> None:
|
||||
super().__init__(
|
||||
cost_amount=cost_amount,
|
||||
cost_filter=cost_filter or {},
|
||||
cost_type=cost_type,
|
||||
**data,
|
||||
)
|
||||
|
||||
|
||||
class BlockInfo(BaseModel):
|
||||
id: str
|
||||
name: str
|
||||
inputSchema: dict[str, Any]
|
||||
outputSchema: dict[str, Any]
|
||||
costs: list[BlockCost]
|
||||
description: str
|
||||
categories: list[dict[str, str]]
|
||||
contributors: list[dict[str, Any]]
|
||||
staticOutput: bool
|
||||
uiType: str
|
||||
|
||||
|
||||
class BlockSchema(BaseModel):
|
||||
cached_jsonschema: ClassVar[dict[str, Any]]
|
||||
|
||||
@classmethod
|
||||
def jsonschema(cls) -> dict[str, Any]:
|
||||
if cls.cached_jsonschema:
|
||||
return cls.cached_jsonschema
|
||||
|
||||
model = jsonref.replace_refs(cls.model_json_schema(), merge_props=True)
|
||||
|
||||
def ref_to_dict(obj):
|
||||
if isinstance(obj, dict):
|
||||
# OpenAPI <3.1 does not support sibling fields that has a $ref key
|
||||
# So sometimes, the schema has an "allOf"/"anyOf"/"oneOf" with 1 item.
|
||||
keys = {"allOf", "anyOf", "oneOf"}
|
||||
one_key = next((k for k in keys if k in obj and len(obj[k]) == 1), None)
|
||||
if one_key:
|
||||
obj.update(obj[one_key][0])
|
||||
|
||||
return {
|
||||
key: ref_to_dict(value)
|
||||
for key, value in obj.items()
|
||||
if not key.startswith("$") and key != one_key
|
||||
}
|
||||
elif isinstance(obj, list):
|
||||
return [ref_to_dict(item) for item in obj]
|
||||
|
||||
return obj
|
||||
|
||||
cls.cached_jsonschema = cast(dict[str, Any], ref_to_dict(model))
|
||||
|
||||
return cls.cached_jsonschema
|
||||
|
||||
@classmethod
|
||||
def validate_data(cls, data: BlockInput) -> str | None:
|
||||
return json.validate_with_jsonschema(
|
||||
schema=cls.jsonschema(),
|
||||
data={k: v for k, v in data.items() if v is not None},
|
||||
)
|
||||
|
||||
@classmethod
|
||||
def get_mismatch_error(cls, data: BlockInput) -> str | None:
|
||||
return cls.validate_data(data)
|
||||
|
||||
@classmethod
|
||||
def get_field_schema(cls, field_name: str) -> dict[str, Any]:
|
||||
model_schema = cls.jsonschema().get("properties", {})
|
||||
if not model_schema:
|
||||
raise ValueError(f"Invalid model schema {cls}")
|
||||
|
||||
property_schema = model_schema.get(field_name)
|
||||
if not property_schema:
|
||||
raise ValueError(f"Invalid property name {field_name}")
|
||||
|
||||
return property_schema
|
||||
|
||||
@classmethod
|
||||
def validate_field(cls, field_name: str, data: BlockInput) -> str | None:
|
||||
"""
|
||||
Validate the data against a specific property (one of the input/output name).
|
||||
Returns the validation error message if the data does not match the schema.
|
||||
"""
|
||||
try:
|
||||
property_schema = cls.get_field_schema(field_name)
|
||||
jsonschema.validate(json.to_dict(data), property_schema)
|
||||
return None
|
||||
except jsonschema.ValidationError as e:
|
||||
return str(e)
|
||||
|
||||
@classmethod
|
||||
def get_fields(cls) -> set[str]:
|
||||
return set(cls.model_fields.keys())
|
||||
|
||||
@classmethod
|
||||
def get_required_fields(cls) -> set[str]:
|
||||
return {
|
||||
field
|
||||
for field, field_info in cls.model_fields.items()
|
||||
if field_info.is_required()
|
||||
}
|
||||
|
||||
@classmethod
|
||||
def __pydantic_init_subclass__(cls, **kwargs):
|
||||
"""Validates the schema definition. Rules:
|
||||
- Fields with annotation `CredentialsMetaInput` MUST be
|
||||
named `credentials` or `*_credentials`
|
||||
- Fields named `credentials` or `*_credentials` MUST be
|
||||
of type `CredentialsMetaInput`
|
||||
"""
|
||||
super().__pydantic_init_subclass__(**kwargs)
|
||||
|
||||
# Reset cached JSON schema to prevent inheriting it from parent class
|
||||
cls.cached_jsonschema = {}
|
||||
|
||||
credentials_fields = cls.get_credentials_fields()
|
||||
|
||||
for field_name in cls.get_fields():
|
||||
if is_credentials_field_name(field_name):
|
||||
if field_name not in credentials_fields:
|
||||
raise TypeError(
|
||||
f"Credentials field '{field_name}' on {cls.__qualname__} "
|
||||
f"is not of type {CredentialsMetaInput.__name__}"
|
||||
)
|
||||
|
||||
CredentialsMetaInput.validate_credentials_field_schema(
|
||||
cls.get_field_schema(field_name), field_name
|
||||
)
|
||||
|
||||
elif field_name in credentials_fields:
|
||||
raise KeyError(
|
||||
f"Credentials field '{field_name}' on {cls.__qualname__} "
|
||||
"has invalid name: must be 'credentials' or *_credentials"
|
||||
)
|
||||
|
||||
@classmethod
|
||||
def get_credentials_fields(cls) -> dict[str, type[CredentialsMetaInput]]:
|
||||
return {
|
||||
field_name: info.annotation
|
||||
for field_name, info in cls.model_fields.items()
|
||||
if (
|
||||
inspect.isclass(info.annotation)
|
||||
and issubclass(
|
||||
get_origin(info.annotation) or info.annotation,
|
||||
CredentialsMetaInput,
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
@classmethod
|
||||
def get_auto_credentials_fields(cls) -> dict[str, dict[str, Any]]:
|
||||
"""
|
||||
Get fields that have auto_credentials metadata (e.g., GoogleDriveFileInput).
|
||||
|
||||
Returns a dict mapping kwarg_name -> {field_name, auto_credentials_config}
|
||||
|
||||
Raises:
|
||||
ValueError: If multiple fields have the same kwarg_name, as this would
|
||||
cause silent overwriting and only the last field would be processed.
|
||||
"""
|
||||
result: dict[str, dict[str, Any]] = {}
|
||||
schema = cls.jsonschema()
|
||||
properties = schema.get("properties", {})
|
||||
|
||||
for field_name, field_schema in properties.items():
|
||||
auto_creds = field_schema.get("auto_credentials")
|
||||
if auto_creds:
|
||||
kwarg_name = auto_creds.get("kwarg_name", "credentials")
|
||||
if kwarg_name in result:
|
||||
raise ValueError(
|
||||
f"Duplicate auto_credentials kwarg_name '{kwarg_name}' "
|
||||
f"in fields '{result[kwarg_name]['field_name']}' and "
|
||||
f"'{field_name}' on {cls.__qualname__}"
|
||||
)
|
||||
result[kwarg_name] = {
|
||||
"field_name": field_name,
|
||||
"config": auto_creds,
|
||||
}
|
||||
return result
|
||||
|
||||
@classmethod
|
||||
def get_credentials_fields_info(cls) -> dict[str, CredentialsFieldInfo]:
|
||||
result = {}
|
||||
|
||||
# Regular credentials fields
|
||||
for field_name in cls.get_credentials_fields().keys():
|
||||
result[field_name] = CredentialsFieldInfo.model_validate(
|
||||
cls.get_field_schema(field_name), by_alias=True
|
||||
)
|
||||
|
||||
# Auto-generated credentials fields (from GoogleDriveFileInput etc.)
|
||||
for kwarg_name, info in cls.get_auto_credentials_fields().items():
|
||||
config = info["config"]
|
||||
# Build a schema-like dict that CredentialsFieldInfo can parse
|
||||
auto_schema = {
|
||||
"credentials_provider": [config.get("provider", "google")],
|
||||
"credentials_types": [config.get("type", "oauth2")],
|
||||
"credentials_scopes": config.get("scopes"),
|
||||
}
|
||||
result[kwarg_name] = CredentialsFieldInfo.model_validate(
|
||||
auto_schema, by_alias=True
|
||||
)
|
||||
|
||||
return result
|
||||
|
||||
@classmethod
|
||||
def get_input_defaults(cls, data: BlockInput) -> BlockInput:
|
||||
return data # Return as is, by default.
|
||||
|
||||
@classmethod
|
||||
def get_missing_links(cls, data: BlockInput, links: list["Link"]) -> set[str]:
|
||||
input_fields_from_nodes = {link.sink_name for link in links}
|
||||
return input_fields_from_nodes - set(data)
|
||||
|
||||
@classmethod
|
||||
def get_missing_input(cls, data: BlockInput) -> set[str]:
|
||||
return cls.get_required_fields() - set(data)
|
||||
|
||||
|
||||
class BlockSchemaInput(BlockSchema):
|
||||
"""
|
||||
Base schema class for block inputs.
|
||||
All block input schemas should extend this class for consistency.
|
||||
"""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
class BlockSchemaOutput(BlockSchema):
|
||||
"""
|
||||
Base schema class for block outputs that includes a standard error field.
|
||||
All block output schemas should extend this class to ensure consistent error handling.
|
||||
"""
|
||||
|
||||
error: str = SchemaField(
|
||||
description="Error message if the operation failed", default=""
|
||||
)
|
||||
|
||||
|
||||
BlockSchemaInputType = TypeVar("BlockSchemaInputType", bound=BlockSchemaInput)
|
||||
BlockSchemaOutputType = TypeVar("BlockSchemaOutputType", bound=BlockSchemaOutput)
|
||||
|
||||
|
||||
class EmptyInputSchema(BlockSchemaInput):
|
||||
pass
|
||||
|
||||
|
||||
class EmptyOutputSchema(BlockSchemaOutput):
|
||||
pass
|
||||
|
||||
|
||||
# For backward compatibility - will be deprecated
|
||||
EmptySchema = EmptyOutputSchema
|
||||
|
||||
|
||||
# --8<-- [start:BlockWebhookConfig]
|
||||
class BlockManualWebhookConfig(BaseModel):
|
||||
"""
|
||||
Configuration model for webhook-triggered blocks on which
|
||||
the user has to manually set up the webhook at the provider.
|
||||
"""
|
||||
|
||||
provider: ProviderName
|
||||
"""The service provider that the webhook connects to"""
|
||||
|
||||
webhook_type: str
|
||||
"""
|
||||
Identifier for the webhook type. E.g. GitHub has repo and organization level hooks.
|
||||
|
||||
Only for use in the corresponding `WebhooksManager`.
|
||||
"""
|
||||
|
||||
event_filter_input: str = ""
|
||||
"""
|
||||
Name of the block's event filter input.
|
||||
Leave empty if the corresponding webhook doesn't have distinct event/payload types.
|
||||
"""
|
||||
|
||||
event_format: str = "{event}"
|
||||
"""
|
||||
Template string for the event(s) that a block instance subscribes to.
|
||||
Applied individually to each event selected in the event filter input.
|
||||
|
||||
Example: `"pull_request.{event}"` -> `"pull_request.opened"`
|
||||
"""
|
||||
|
||||
|
||||
class BlockWebhookConfig(BlockManualWebhookConfig):
|
||||
"""
|
||||
Configuration model for webhook-triggered blocks for which
|
||||
the webhook can be automatically set up through the provider's API.
|
||||
"""
|
||||
|
||||
resource_format: str
|
||||
"""
|
||||
Template string for the resource that a block instance subscribes to.
|
||||
Fields will be filled from the block's inputs (except `payload`).
|
||||
|
||||
Example: `f"{repo}/pull_requests"` (note: not how it's actually implemented)
|
||||
|
||||
Only for use in the corresponding `WebhooksManager`.
|
||||
"""
|
||||
# --8<-- [end:BlockWebhookConfig]
|
||||
|
||||
|
||||
class Block(ABC, Generic[BlockSchemaInputType, BlockSchemaOutputType]):
|
||||
def __init__(
|
||||
self,
|
||||
id: str = "",
|
||||
description: str = "",
|
||||
contributors: list["ContributorDetails"] = [],
|
||||
categories: set[BlockCategory] | None = None,
|
||||
input_schema: Type[BlockSchemaInputType] = EmptyInputSchema,
|
||||
output_schema: Type[BlockSchemaOutputType] = EmptyOutputSchema,
|
||||
test_input: BlockInput | list[BlockInput] | None = None,
|
||||
test_output: BlockTestOutput | list[BlockTestOutput] | None = None,
|
||||
test_mock: dict[str, Any] | None = None,
|
||||
test_credentials: Optional[Credentials | dict[str, Credentials]] = None,
|
||||
disabled: bool = False,
|
||||
static_output: bool = False,
|
||||
block_type: BlockType = BlockType.STANDARD,
|
||||
webhook_config: Optional[BlockWebhookConfig | BlockManualWebhookConfig] = None,
|
||||
is_sensitive_action: bool = False,
|
||||
):
|
||||
"""
|
||||
Initialize the block with the given schema.
|
||||
|
||||
Args:
|
||||
id: The unique identifier for the block, this value will be persisted in the
|
||||
DB. So it should be a unique and constant across the application run.
|
||||
Use the UUID format for the ID.
|
||||
description: The description of the block, explaining what the block does.
|
||||
contributors: The list of contributors who contributed to the block.
|
||||
input_schema: The schema, defined as a Pydantic model, for the input data.
|
||||
output_schema: The schema, defined as a Pydantic model, for the output data.
|
||||
test_input: The list or single sample input data for the block, for testing.
|
||||
test_output: The list or single expected output if the test_input is run.
|
||||
test_mock: function names on the block implementation to mock on test run.
|
||||
disabled: If the block is disabled, it will not be available for execution.
|
||||
static_output: Whether the output links of the block are static by default.
|
||||
"""
|
||||
from backend.data.model import NodeExecutionStats
|
||||
|
||||
self.id = id
|
||||
self.input_schema = input_schema
|
||||
self.output_schema = output_schema
|
||||
self.test_input = test_input
|
||||
self.test_output = test_output
|
||||
self.test_mock = test_mock
|
||||
self.test_credentials = test_credentials
|
||||
self.description = description
|
||||
self.categories = categories or set()
|
||||
self.contributors = contributors or set()
|
||||
self.disabled = disabled
|
||||
self.static_output = static_output
|
||||
self.block_type = block_type
|
||||
self.webhook_config = webhook_config
|
||||
self.is_sensitive_action = is_sensitive_action
|
||||
self.execution_stats: "NodeExecutionStats" = NodeExecutionStats()
|
||||
|
||||
if self.webhook_config:
|
||||
if isinstance(self.webhook_config, BlockWebhookConfig):
|
||||
# Enforce presence of credentials field on auto-setup webhook blocks
|
||||
if not (cred_fields := self.input_schema.get_credentials_fields()):
|
||||
raise TypeError(
|
||||
"credentials field is required on auto-setup webhook blocks"
|
||||
)
|
||||
# Disallow multiple credentials inputs on webhook blocks
|
||||
elif len(cred_fields) > 1:
|
||||
raise ValueError(
|
||||
"Multiple credentials inputs not supported on webhook blocks"
|
||||
)
|
||||
|
||||
self.block_type = BlockType.WEBHOOK
|
||||
else:
|
||||
self.block_type = BlockType.WEBHOOK_MANUAL
|
||||
|
||||
# Enforce shape of webhook event filter, if present
|
||||
if self.webhook_config.event_filter_input:
|
||||
event_filter_field = self.input_schema.model_fields[
|
||||
self.webhook_config.event_filter_input
|
||||
]
|
||||
if not (
|
||||
isinstance(event_filter_field.annotation, type)
|
||||
and issubclass(event_filter_field.annotation, BaseModel)
|
||||
and all(
|
||||
field.annotation is bool
|
||||
for field in event_filter_field.annotation.model_fields.values()
|
||||
)
|
||||
):
|
||||
raise NotImplementedError(
|
||||
f"{self.name} has an invalid webhook event selector: "
|
||||
"field must be a BaseModel and all its fields must be boolean"
|
||||
)
|
||||
|
||||
# Enforce presence of 'payload' input
|
||||
if "payload" not in self.input_schema.model_fields:
|
||||
raise TypeError(
|
||||
f"{self.name} is webhook-triggered but has no 'payload' input"
|
||||
)
|
||||
|
||||
# Disable webhook-triggered block if webhook functionality not available
|
||||
if not app_config.platform_base_url:
|
||||
self.disabled = True
|
||||
|
||||
@abstractmethod
|
||||
async def run(self, input_data: BlockSchemaInputType, **kwargs) -> BlockOutput:
|
||||
"""
|
||||
Run the block with the given input data.
|
||||
Args:
|
||||
input_data: The input data with the structure of input_schema.
|
||||
|
||||
Kwargs: Currently 14/02/2025 these include
|
||||
graph_id: The ID of the graph.
|
||||
node_id: The ID of the node.
|
||||
graph_exec_id: The ID of the graph execution.
|
||||
node_exec_id: The ID of the node execution.
|
||||
user_id: The ID of the user.
|
||||
|
||||
Returns:
|
||||
A Generator that yields (output_name, output_data).
|
||||
output_name: One of the output name defined in Block's output_schema.
|
||||
output_data: The data for the output_name, matching the defined schema.
|
||||
"""
|
||||
# --- satisfy the type checker, never executed -------------
|
||||
if False: # noqa: SIM115
|
||||
yield "name", "value" # pyright: ignore[reportMissingYield]
|
||||
raise NotImplementedError(f"{self.name} does not implement the run method.")
|
||||
|
||||
async def run_once(
|
||||
self, input_data: BlockSchemaInputType, output: str, **kwargs
|
||||
) -> Any:
|
||||
async for item in self.run(input_data, **kwargs):
|
||||
name, data = item
|
||||
if name == output:
|
||||
return data
|
||||
raise ValueError(f"{self.name} did not produce any output for {output}")
|
||||
|
||||
def merge_stats(self, stats: "NodeExecutionStats") -> "NodeExecutionStats":
|
||||
self.execution_stats += stats
|
||||
return self.execution_stats
|
||||
|
||||
@property
|
||||
def name(self):
|
||||
return self.__class__.__name__
|
||||
|
||||
def to_dict(self):
|
||||
return {
|
||||
"id": self.id,
|
||||
"name": self.name,
|
||||
"inputSchema": self.input_schema.jsonschema(),
|
||||
"outputSchema": self.output_schema.jsonschema(),
|
||||
"description": self.description,
|
||||
"categories": [category.dict() for category in self.categories],
|
||||
"contributors": [
|
||||
contributor.model_dump() for contributor in self.contributors
|
||||
],
|
||||
"staticOutput": self.static_output,
|
||||
"uiType": self.block_type.value,
|
||||
}
|
||||
|
||||
def get_info(self) -> BlockInfo:
|
||||
from backend.data.credit import get_block_cost
|
||||
|
||||
return BlockInfo(
|
||||
id=self.id,
|
||||
name=self.name,
|
||||
inputSchema=self.input_schema.jsonschema(),
|
||||
outputSchema=self.output_schema.jsonschema(),
|
||||
costs=get_block_cost(self),
|
||||
description=self.description,
|
||||
categories=[category.dict() for category in self.categories],
|
||||
contributors=[
|
||||
contributor.model_dump() for contributor in self.contributors
|
||||
],
|
||||
staticOutput=self.static_output,
|
||||
uiType=self.block_type.value,
|
||||
)
|
||||
|
||||
async def execute(self, input_data: BlockInput, **kwargs) -> BlockOutput:
|
||||
try:
|
||||
async for output_name, output_data in self._execute(input_data, **kwargs):
|
||||
yield output_name, output_data
|
||||
except Exception as ex:
|
||||
if isinstance(ex, BlockError):
|
||||
raise ex
|
||||
else:
|
||||
raise (
|
||||
BlockExecutionError
|
||||
if isinstance(ex, ValueError)
|
||||
else BlockUnknownError
|
||||
)(
|
||||
message=str(ex),
|
||||
block_name=self.name,
|
||||
block_id=self.id,
|
||||
) from ex
|
||||
|
||||
async def is_block_exec_need_review(
|
||||
self,
|
||||
input_data: BlockInput,
|
||||
*,
|
||||
user_id: str,
|
||||
node_id: str,
|
||||
node_exec_id: str,
|
||||
graph_exec_id: str,
|
||||
graph_id: str,
|
||||
graph_version: int,
|
||||
execution_context: "ExecutionContext",
|
||||
**kwargs,
|
||||
) -> tuple[bool, BlockInput]:
|
||||
"""
|
||||
Check if this block execution needs human review and handle the review process.
|
||||
|
||||
Returns:
|
||||
Tuple of (should_pause, input_data_to_use)
|
||||
- should_pause: True if execution should be paused for review
|
||||
- input_data_to_use: The input data to use (may be modified by reviewer)
|
||||
"""
|
||||
if not (
|
||||
self.is_sensitive_action and execution_context.sensitive_action_safe_mode
|
||||
):
|
||||
return False, input_data
|
||||
|
||||
from backend.blocks.helpers.review import HITLReviewHelper
|
||||
|
||||
# Handle the review request and get decision
|
||||
decision = await HITLReviewHelper.handle_review_decision(
|
||||
input_data=input_data,
|
||||
user_id=user_id,
|
||||
node_id=node_id,
|
||||
node_exec_id=node_exec_id,
|
||||
graph_exec_id=graph_exec_id,
|
||||
graph_id=graph_id,
|
||||
graph_version=graph_version,
|
||||
block_name=self.name,
|
||||
editable=True,
|
||||
)
|
||||
|
||||
if decision is None:
|
||||
# We're awaiting review - pause execution
|
||||
return True, input_data
|
||||
|
||||
if not decision.should_proceed:
|
||||
# Review was rejected, raise an error to stop execution
|
||||
raise BlockExecutionError(
|
||||
message=f"Block execution rejected by reviewer: {decision.message}",
|
||||
block_name=self.name,
|
||||
block_id=self.id,
|
||||
)
|
||||
|
||||
# Review was approved - use the potentially modified data
|
||||
# ReviewResult.data must be a dict for block inputs
|
||||
reviewed_data = decision.review_result.data
|
||||
if not isinstance(reviewed_data, dict):
|
||||
raise BlockExecutionError(
|
||||
message=f"Review data must be a dict for block input, got {type(reviewed_data).__name__}",
|
||||
block_name=self.name,
|
||||
block_id=self.id,
|
||||
)
|
||||
return False, reviewed_data
|
||||
|
||||
async def _execute(self, input_data: BlockInput, **kwargs) -> BlockOutput:
|
||||
# Check for review requirement only if running within a graph execution context
|
||||
# Direct block execution (e.g., from chat) skips the review process
|
||||
has_graph_context = all(
|
||||
key in kwargs
|
||||
for key in (
|
||||
"node_exec_id",
|
||||
"graph_exec_id",
|
||||
"graph_id",
|
||||
"execution_context",
|
||||
)
|
||||
)
|
||||
if has_graph_context:
|
||||
should_pause, input_data = await self.is_block_exec_need_review(
|
||||
input_data, **kwargs
|
||||
)
|
||||
if should_pause:
|
||||
return
|
||||
|
||||
# Validate the input data (original or reviewer-modified) once
|
||||
if error := self.input_schema.validate_data(input_data):
|
||||
raise BlockInputError(
|
||||
message=f"Unable to execute block with invalid input data: {error}",
|
||||
block_name=self.name,
|
||||
block_id=self.id,
|
||||
)
|
||||
|
||||
# Use the validated input data
|
||||
async for output_name, output_data in self.run(
|
||||
self.input_schema(**{k: v for k, v in input_data.items() if v is not None}),
|
||||
**kwargs,
|
||||
):
|
||||
if output_name == "error":
|
||||
raise BlockExecutionError(
|
||||
message=output_data, block_name=self.name, block_id=self.id
|
||||
)
|
||||
if self.block_type == BlockType.STANDARD and (
|
||||
error := self.output_schema.validate_field(output_name, output_data)
|
||||
):
|
||||
raise BlockOutputError(
|
||||
message=f"Block produced an invalid output data: {error}",
|
||||
block_name=self.name,
|
||||
block_id=self.id,
|
||||
)
|
||||
yield output_name, output_data
|
||||
|
||||
def is_triggered_by_event_type(
|
||||
self, trigger_config: dict[str, Any], event_type: str
|
||||
) -> bool:
|
||||
if not self.webhook_config:
|
||||
raise TypeError("This method can't be used on non-trigger blocks")
|
||||
if not self.webhook_config.event_filter_input:
|
||||
return True
|
||||
event_filter = trigger_config.get(self.webhook_config.event_filter_input)
|
||||
if not event_filter:
|
||||
raise ValueError("Event filter is not configured on trigger")
|
||||
return event_type in [
|
||||
self.webhook_config.event_format.format(event=k)
|
||||
for k in event_filter
|
||||
if event_filter[k] is True
|
||||
]
|
||||
|
||||
|
||||
# Type alias for any block with standard input/output schemas
|
||||
AnyBlockSchema: TypeAlias = Block[BlockSchemaInput, BlockSchemaOutput]
|
||||
@@ -1,122 +0,0 @@
|
||||
import logging
|
||||
import os
|
||||
|
||||
from backend.integrations.providers import ProviderName
|
||||
|
||||
from ._base import AnyBlockSchema
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def is_block_auth_configured(
|
||||
block_cls: type[AnyBlockSchema],
|
||||
) -> bool:
|
||||
"""
|
||||
Check if a block has a valid authentication method configured at runtime.
|
||||
|
||||
For example if a block is an OAuth-only block and there env vars are not set,
|
||||
do not show it in the UI.
|
||||
|
||||
"""
|
||||
from backend.sdk.registry import AutoRegistry
|
||||
|
||||
# Create an instance to access input_schema
|
||||
try:
|
||||
block = block_cls()
|
||||
except Exception as e:
|
||||
# If we can't create a block instance, assume it's not OAuth-only
|
||||
logger.error(f"Error creating block instance for {block_cls.__name__}: {e}")
|
||||
return True
|
||||
logger.debug(
|
||||
f"Checking if block {block_cls.__name__} has a valid provider configured"
|
||||
)
|
||||
|
||||
# Get all credential inputs from input schema
|
||||
credential_inputs = block.input_schema.get_credentials_fields_info()
|
||||
required_inputs = block.input_schema.get_required_fields()
|
||||
if not credential_inputs:
|
||||
logger.debug(
|
||||
f"Block {block_cls.__name__} has no credential inputs - Treating as valid"
|
||||
)
|
||||
return True
|
||||
|
||||
# Check credential inputs
|
||||
if len(required_inputs.intersection(credential_inputs.keys())) == 0:
|
||||
logger.debug(
|
||||
f"Block {block_cls.__name__} has only optional credential inputs"
|
||||
" - will work without credentials configured"
|
||||
)
|
||||
|
||||
# Check if the credential inputs for this block are correctly configured
|
||||
for field_name, field_info in credential_inputs.items():
|
||||
provider_names = field_info.provider
|
||||
if not provider_names:
|
||||
logger.warning(
|
||||
f"Block {block_cls.__name__} "
|
||||
f"has credential input '{field_name}' with no provider options"
|
||||
" - Disabling"
|
||||
)
|
||||
return False
|
||||
|
||||
# If a field has multiple possible providers, each one needs to be usable to
|
||||
# prevent breaking the UX
|
||||
for _provider_name in provider_names:
|
||||
provider_name = _provider_name.value
|
||||
if provider_name in ProviderName.__members__.values():
|
||||
logger.debug(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"provider '{provider_name}' is part of the legacy provider system"
|
||||
" - Treating as valid"
|
||||
)
|
||||
break
|
||||
|
||||
provider = AutoRegistry.get_provider(provider_name)
|
||||
if not provider:
|
||||
logger.warning(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"refers to unknown provider '{provider_name}' - Disabling"
|
||||
)
|
||||
return False
|
||||
|
||||
# Check the provider's supported auth types
|
||||
if field_info.supported_types != provider.supported_auth_types:
|
||||
logger.warning(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"has mismatched supported auth types (field <> Provider): "
|
||||
f"{field_info.supported_types} != {provider.supported_auth_types}"
|
||||
)
|
||||
|
||||
if not (supported_auth_types := provider.supported_auth_types):
|
||||
# No auth methods are been configured for this provider
|
||||
logger.warning(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"provider '{provider_name}' "
|
||||
"has no authentication methods configured - Disabling"
|
||||
)
|
||||
return False
|
||||
|
||||
# Check if provider supports OAuth
|
||||
if "oauth2" in supported_auth_types:
|
||||
# Check if OAuth environment variables are set
|
||||
if (oauth_config := provider.oauth_config) and bool(
|
||||
os.getenv(oauth_config.client_id_env_var)
|
||||
and os.getenv(oauth_config.client_secret_env_var)
|
||||
):
|
||||
logger.debug(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"provider '{provider_name}' is configured for OAuth"
|
||||
)
|
||||
else:
|
||||
logger.error(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' "
|
||||
f"provider '{provider_name}' "
|
||||
"is missing OAuth client ID or secret - Disabling"
|
||||
)
|
||||
return False
|
||||
|
||||
logger.debug(
|
||||
f"Block {block_cls.__name__} credential input '{field_name}' is valid; "
|
||||
f"supported credential types: {', '.join(field_info.supported_types)}"
|
||||
)
|
||||
|
||||
return True
|
||||
@@ -1,7 +1,7 @@
|
||||
import logging
|
||||
from typing import TYPE_CHECKING, Any, Optional
|
||||
from typing import Any, Optional
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockInput,
|
||||
@@ -9,15 +9,13 @@ from backend.blocks._base import (
|
||||
BlockSchema,
|
||||
BlockSchemaInput,
|
||||
BlockType,
|
||||
get_block,
|
||||
)
|
||||
from backend.data.execution import ExecutionContext, ExecutionStatus, NodesInputMasks
|
||||
from backend.data.model import NodeExecutionStats, SchemaField
|
||||
from backend.util.json import validate_with_jsonschema
|
||||
from backend.util.retry import func_retry
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from backend.executor.utils import LogMetadata
|
||||
|
||||
_logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
@@ -126,10 +124,9 @@ class AgentExecutorBlock(Block):
|
||||
graph_version: int,
|
||||
graph_exec_id: str,
|
||||
user_id: str,
|
||||
logger: "LogMetadata",
|
||||
logger,
|
||||
) -> BlockOutput:
|
||||
|
||||
from backend.blocks import get_block
|
||||
from backend.data.execution import ExecutionEventType
|
||||
from backend.executor import utils as execution_utils
|
||||
|
||||
@@ -201,7 +198,7 @@ class AgentExecutorBlock(Block):
|
||||
self,
|
||||
graph_exec_id: str,
|
||||
user_id: str,
|
||||
logger: "LogMetadata",
|
||||
logger,
|
||||
) -> None:
|
||||
from backend.executor import utils as execution_utils
|
||||
|
||||
|
||||
@@ -1,11 +1,5 @@
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.llm import (
|
||||
DEFAULT_LLM_MODEL,
|
||||
TEST_CREDENTIALS,
|
||||
@@ -17,6 +11,12 @@ from backend.blocks.llm import (
|
||||
LLMResponse,
|
||||
llm_call,
|
||||
)
|
||||
from backend.data.block import (
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.model import APIKeyCredentials, NodeExecutionStats, SchemaField
|
||||
|
||||
|
||||
|
||||
@@ -6,7 +6,7 @@ from pydantic import SecretStr
|
||||
from replicate.client import Client as ReplicateClient
|
||||
from replicate.helpers import FileOutput
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -5,12 +5,7 @@ from pydantic import SecretStr
|
||||
from replicate.client import Client as ReplicateClient
|
||||
from replicate.helpers import FileOutput
|
||||
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.block import Block, BlockCategory, BlockSchemaInput, BlockSchemaOutput
|
||||
from backend.data.execution import ExecutionContext
|
||||
from backend.data.model import (
|
||||
APIKeyCredentials,
|
||||
|
||||
@@ -6,7 +6,7 @@ from typing import Literal
|
||||
from pydantic import SecretStr
|
||||
from replicate.client import Client as ReplicateClient
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -6,7 +6,7 @@ from typing import Literal
|
||||
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,10 +1,3 @@
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.apollo._api import ApolloClient
|
||||
from backend.blocks.apollo._auth import (
|
||||
TEST_CREDENTIALS,
|
||||
@@ -17,6 +10,13 @@ from backend.blocks.apollo.models import (
|
||||
PrimaryPhone,
|
||||
SearchOrganizationsRequest,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.model import CredentialsField, SchemaField
|
||||
|
||||
|
||||
|
||||
@@ -1,12 +1,5 @@
|
||||
import asyncio
|
||||
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.apollo._api import ApolloClient
|
||||
from backend.blocks.apollo._auth import (
|
||||
TEST_CREDENTIALS,
|
||||
@@ -21,6 +14,13 @@ from backend.blocks.apollo.models import (
|
||||
SearchPeopleRequest,
|
||||
SenorityLevels,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.model import CredentialsField, SchemaField
|
||||
|
||||
|
||||
|
||||
@@ -1,10 +1,3 @@
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.apollo._api import ApolloClient
|
||||
from backend.blocks.apollo._auth import (
|
||||
TEST_CREDENTIALS,
|
||||
@@ -13,6 +6,13 @@ from backend.blocks.apollo._auth import (
|
||||
ApolloCredentialsInput,
|
||||
)
|
||||
from backend.blocks.apollo.models import Contact, EnrichPersonRequest
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.model import CredentialsField, SchemaField
|
||||
|
||||
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Optional
|
||||
|
||||
from pydantic import BaseModel, Field
|
||||
|
||||
from backend.blocks._base import BlockSchemaInput
|
||||
from backend.data.block import BlockSchemaInput
|
||||
from backend.data.model import SchemaField, UserIntegrations
|
||||
from backend.integrations.ayrshare import AyrshareClient
|
||||
from backend.util.clients import get_database_manager_async_client
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
import enum
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@ import os
|
||||
import re
|
||||
from typing import Type
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
from enum import Enum
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,12 +1,12 @@
|
||||
import json
|
||||
import shlex
|
||||
import uuid
|
||||
from typing import TYPE_CHECKING, Literal, Optional
|
||||
from typing import Literal, Optional
|
||||
|
||||
from e2b import AsyncSandbox as BaseAsyncSandbox
|
||||
from pydantic import SecretStr
|
||||
from pydantic import BaseModel, SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
@@ -20,13 +20,6 @@ from backend.data.model import (
|
||||
SchemaField,
|
||||
)
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util.sandbox_files import (
|
||||
SandboxFileOutput,
|
||||
extract_and_store_sandbox_files,
|
||||
)
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from backend.executor.utils import ExecutionContext
|
||||
|
||||
|
||||
class ClaudeCodeExecutionError(Exception):
|
||||
@@ -181,15 +174,22 @@ class ClaudeCodeBlock(Block):
|
||||
advanced=True,
|
||||
)
|
||||
|
||||
class FileOutput(BaseModel):
|
||||
"""A file extracted from the sandbox."""
|
||||
|
||||
path: str
|
||||
relative_path: str # Path relative to working directory (for GitHub, etc.)
|
||||
name: str
|
||||
content: str
|
||||
|
||||
class Output(BlockSchemaOutput):
|
||||
response: str = SchemaField(
|
||||
description="The output/response from Claude Code execution"
|
||||
)
|
||||
files: list[SandboxFileOutput] = SchemaField(
|
||||
files: list["ClaudeCodeBlock.FileOutput"] = SchemaField(
|
||||
description=(
|
||||
"List of text files created/modified by Claude Code during this execution. "
|
||||
"Each file has 'path', 'relative_path', 'name', 'content', and 'workspace_ref' fields. "
|
||||
"workspace_ref contains a workspace:// URI if the file was stored to workspace."
|
||||
"Each file has 'path', 'relative_path', 'name', and 'content' fields."
|
||||
)
|
||||
)
|
||||
conversation_history: str = SchemaField(
|
||||
@@ -252,7 +252,6 @@ class ClaudeCodeBlock(Block):
|
||||
"relative_path": "index.html",
|
||||
"name": "index.html",
|
||||
"content": "<html>Hello World</html>",
|
||||
"workspace_ref": None,
|
||||
}
|
||||
],
|
||||
),
|
||||
@@ -268,12 +267,11 @@ class ClaudeCodeBlock(Block):
|
||||
"execute_claude_code": lambda *args, **kwargs: (
|
||||
"Created index.html with hello world content", # response
|
||||
[
|
||||
SandboxFileOutput(
|
||||
ClaudeCodeBlock.FileOutput(
|
||||
path="/home/user/index.html",
|
||||
relative_path="index.html",
|
||||
name="index.html",
|
||||
content="<html>Hello World</html>",
|
||||
workspace_ref=None,
|
||||
)
|
||||
], # files
|
||||
"User: Create a hello world HTML file\n"
|
||||
@@ -296,8 +294,7 @@ class ClaudeCodeBlock(Block):
|
||||
existing_sandbox_id: str,
|
||||
conversation_history: str,
|
||||
dispose_sandbox: bool,
|
||||
execution_context: "ExecutionContext",
|
||||
) -> tuple[str, list[SandboxFileOutput], str, str, str]:
|
||||
) -> tuple[str, list["ClaudeCodeBlock.FileOutput"], str, str, str]:
|
||||
"""
|
||||
Execute Claude Code in an E2B sandbox.
|
||||
|
||||
@@ -452,18 +449,14 @@ class ClaudeCodeBlock(Block):
|
||||
else:
|
||||
new_conversation_history = turn_entry
|
||||
|
||||
# Extract files created/modified during this run and store to workspace
|
||||
sandbox_files = await extract_and_store_sandbox_files(
|
||||
sandbox=sandbox,
|
||||
working_directory=working_directory,
|
||||
execution_context=execution_context,
|
||||
since_timestamp=start_timestamp,
|
||||
text_only=True,
|
||||
# Extract files created/modified during this run
|
||||
files = await self._extract_files(
|
||||
sandbox, working_directory, start_timestamp
|
||||
)
|
||||
|
||||
return (
|
||||
response,
|
||||
sandbox_files, # Already SandboxFileOutput objects
|
||||
files,
|
||||
new_conversation_history,
|
||||
current_session_id,
|
||||
sandbox_id,
|
||||
@@ -478,6 +471,140 @@ class ClaudeCodeBlock(Block):
|
||||
if dispose_sandbox and sandbox:
|
||||
await sandbox.kill()
|
||||
|
||||
async def _extract_files(
|
||||
self,
|
||||
sandbox: BaseAsyncSandbox,
|
||||
working_directory: str,
|
||||
since_timestamp: str | None = None,
|
||||
) -> list["ClaudeCodeBlock.FileOutput"]:
|
||||
"""
|
||||
Extract text files created/modified during this Claude Code execution.
|
||||
|
||||
Args:
|
||||
sandbox: The E2B sandbox instance
|
||||
working_directory: Directory to search for files
|
||||
since_timestamp: ISO timestamp - only return files modified after this time
|
||||
|
||||
Returns:
|
||||
List of FileOutput objects with path, relative_path, name, and content
|
||||
"""
|
||||
files: list[ClaudeCodeBlock.FileOutput] = []
|
||||
|
||||
# Text file extensions we can safely read as text
|
||||
text_extensions = {
|
||||
".txt",
|
||||
".md",
|
||||
".html",
|
||||
".htm",
|
||||
".css",
|
||||
".js",
|
||||
".ts",
|
||||
".jsx",
|
||||
".tsx",
|
||||
".json",
|
||||
".xml",
|
||||
".yaml",
|
||||
".yml",
|
||||
".toml",
|
||||
".ini",
|
||||
".cfg",
|
||||
".conf",
|
||||
".py",
|
||||
".rb",
|
||||
".php",
|
||||
".java",
|
||||
".c",
|
||||
".cpp",
|
||||
".h",
|
||||
".hpp",
|
||||
".cs",
|
||||
".go",
|
||||
".rs",
|
||||
".swift",
|
||||
".kt",
|
||||
".scala",
|
||||
".sh",
|
||||
".bash",
|
||||
".zsh",
|
||||
".sql",
|
||||
".graphql",
|
||||
".env",
|
||||
".gitignore",
|
||||
".dockerfile",
|
||||
"Dockerfile",
|
||||
".vue",
|
||||
".svelte",
|
||||
".astro",
|
||||
".mdx",
|
||||
".rst",
|
||||
".tex",
|
||||
".csv",
|
||||
".log",
|
||||
}
|
||||
|
||||
try:
|
||||
# List files recursively using find command
|
||||
# Exclude node_modules and .git directories, but allow hidden files
|
||||
# like .env and .gitignore (they're filtered by text_extensions later)
|
||||
# Filter by timestamp to only get files created/modified during this run
|
||||
safe_working_dir = shlex.quote(working_directory)
|
||||
timestamp_filter = ""
|
||||
if since_timestamp:
|
||||
timestamp_filter = f"-newermt {shlex.quote(since_timestamp)} "
|
||||
find_result = await sandbox.commands.run(
|
||||
f"find {safe_working_dir} -type f "
|
||||
f"{timestamp_filter}"
|
||||
f"-not -path '*/node_modules/*' "
|
||||
f"-not -path '*/.git/*' "
|
||||
f"2>/dev/null"
|
||||
)
|
||||
|
||||
if find_result.stdout:
|
||||
for file_path in find_result.stdout.strip().split("\n"):
|
||||
if not file_path:
|
||||
continue
|
||||
|
||||
# Check if it's a text file we can read
|
||||
is_text = any(
|
||||
file_path.endswith(ext) for ext in text_extensions
|
||||
) or file_path.endswith("Dockerfile")
|
||||
|
||||
if is_text:
|
||||
try:
|
||||
content = await sandbox.files.read(file_path)
|
||||
# Handle bytes or string
|
||||
if isinstance(content, bytes):
|
||||
content = content.decode("utf-8", errors="replace")
|
||||
|
||||
# Extract filename from path
|
||||
file_name = file_path.split("/")[-1]
|
||||
|
||||
# Calculate relative path by stripping working directory
|
||||
relative_path = file_path
|
||||
if file_path.startswith(working_directory):
|
||||
relative_path = file_path[len(working_directory) :]
|
||||
# Remove leading slash if present
|
||||
if relative_path.startswith("/"):
|
||||
relative_path = relative_path[1:]
|
||||
|
||||
files.append(
|
||||
ClaudeCodeBlock.FileOutput(
|
||||
path=file_path,
|
||||
relative_path=relative_path,
|
||||
name=file_name,
|
||||
content=content,
|
||||
)
|
||||
)
|
||||
except Exception:
|
||||
# Skip files that can't be read
|
||||
pass
|
||||
|
||||
except Exception:
|
||||
# If file extraction fails, return empty results
|
||||
pass
|
||||
|
||||
return files
|
||||
|
||||
def _escape_prompt(self, prompt: str) -> str:
|
||||
"""Escape the prompt for safe shell execution."""
|
||||
# Use single quotes and escape any single quotes in the prompt
|
||||
@@ -490,7 +617,6 @@ class ClaudeCodeBlock(Block):
|
||||
*,
|
||||
e2b_credentials: APIKeyCredentials,
|
||||
anthropic_credentials: APIKeyCredentials,
|
||||
execution_context: "ExecutionContext",
|
||||
**kwargs,
|
||||
) -> BlockOutput:
|
||||
try:
|
||||
@@ -511,7 +637,6 @@ class ClaudeCodeBlock(Block):
|
||||
existing_sandbox_id=input_data.sandbox_id,
|
||||
conversation_history=input_data.conversation_history,
|
||||
dispose_sandbox=input_data.dispose_sandbox,
|
||||
execution_context=execution_context,
|
||||
)
|
||||
|
||||
yield "response", response
|
||||
|
||||
@@ -1,12 +1,12 @@
|
||||
from enum import Enum
|
||||
from typing import TYPE_CHECKING, Any, Literal, Optional
|
||||
from typing import Any, Literal, Optional
|
||||
|
||||
from e2b_code_interpreter import AsyncSandbox
|
||||
from e2b_code_interpreter import Result as E2BExecutionResult
|
||||
from e2b_code_interpreter.charts import Chart as E2BExecutionResultChart
|
||||
from pydantic import BaseModel, Field, JsonValue, SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
@@ -20,13 +20,6 @@ from backend.data.model import (
|
||||
SchemaField,
|
||||
)
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util.sandbox_files import (
|
||||
SandboxFileOutput,
|
||||
extract_and_store_sandbox_files,
|
||||
)
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from backend.executor.utils import ExecutionContext
|
||||
|
||||
TEST_CREDENTIALS = APIKeyCredentials(
|
||||
id="01234567-89ab-cdef-0123-456789abcdef",
|
||||
@@ -92,9 +85,6 @@ class CodeExecutionResult(MainCodeExecutionResult):
|
||||
class BaseE2BExecutorMixin:
|
||||
"""Shared implementation methods for E2B executor blocks."""
|
||||
|
||||
# Default working directory in E2B sandboxes
|
||||
WORKING_DIR = "/home/user"
|
||||
|
||||
async def execute_code(
|
||||
self,
|
||||
api_key: str,
|
||||
@@ -105,21 +95,14 @@ class BaseE2BExecutorMixin:
|
||||
timeout: Optional[int] = None,
|
||||
sandbox_id: Optional[str] = None,
|
||||
dispose_sandbox: bool = False,
|
||||
execution_context: Optional["ExecutionContext"] = None,
|
||||
extract_files: bool = False,
|
||||
):
|
||||
"""
|
||||
Unified code execution method that handles all three use cases:
|
||||
1. Create new sandbox and execute (ExecuteCodeBlock)
|
||||
2. Create new sandbox, execute, and return sandbox_id (InstantiateCodeSandboxBlock)
|
||||
3. Connect to existing sandbox and execute (ExecuteCodeStepBlock)
|
||||
|
||||
Args:
|
||||
extract_files: If True and execution_context provided, extract files
|
||||
created/modified during execution and store to workspace.
|
||||
""" # noqa
|
||||
sandbox = None
|
||||
files: list[SandboxFileOutput] = []
|
||||
try:
|
||||
if sandbox_id:
|
||||
# Connect to existing sandbox (ExecuteCodeStepBlock case)
|
||||
@@ -135,12 +118,6 @@ class BaseE2BExecutorMixin:
|
||||
for cmd in setup_commands:
|
||||
await sandbox.commands.run(cmd)
|
||||
|
||||
# Capture timestamp before execution to scope file extraction
|
||||
start_timestamp = None
|
||||
if extract_files:
|
||||
ts_result = await sandbox.commands.run("date -u +%Y-%m-%dT%H:%M:%S")
|
||||
start_timestamp = ts_result.stdout.strip() if ts_result.stdout else None
|
||||
|
||||
# Execute the code
|
||||
execution = await sandbox.run_code(
|
||||
code,
|
||||
@@ -156,24 +133,7 @@ class BaseE2BExecutorMixin:
|
||||
stdout_logs = "".join(execution.logs.stdout)
|
||||
stderr_logs = "".join(execution.logs.stderr)
|
||||
|
||||
# Extract files created/modified during this execution
|
||||
if extract_files and execution_context:
|
||||
files = await extract_and_store_sandbox_files(
|
||||
sandbox=sandbox,
|
||||
working_directory=self.WORKING_DIR,
|
||||
execution_context=execution_context,
|
||||
since_timestamp=start_timestamp,
|
||||
text_only=False, # Include binary files too
|
||||
)
|
||||
|
||||
return (
|
||||
results,
|
||||
text_output,
|
||||
stdout_logs,
|
||||
stderr_logs,
|
||||
sandbox.sandbox_id,
|
||||
files,
|
||||
)
|
||||
return results, text_output, stdout_logs, stderr_logs, sandbox.sandbox_id
|
||||
finally:
|
||||
# Dispose of sandbox if requested to reduce usage costs
|
||||
if dispose_sandbox and sandbox:
|
||||
@@ -278,12 +238,6 @@ class ExecuteCodeBlock(Block, BaseE2BExecutorMixin):
|
||||
description="Standard output logs from execution"
|
||||
)
|
||||
stderr_logs: str = SchemaField(description="Standard error logs from execution")
|
||||
files: list[SandboxFileOutput] = SchemaField(
|
||||
description=(
|
||||
"Files created or modified during execution. "
|
||||
"Each file has path, name, content, and workspace_ref (if stored)."
|
||||
),
|
||||
)
|
||||
|
||||
def __init__(self):
|
||||
super().__init__(
|
||||
@@ -305,30 +259,23 @@ class ExecuteCodeBlock(Block, BaseE2BExecutorMixin):
|
||||
("results", []),
|
||||
("response", "Hello World"),
|
||||
("stdout_logs", "Hello World\n"),
|
||||
("files", []),
|
||||
],
|
||||
test_mock={
|
||||
"execute_code": lambda api_key, code, language, template_id, setup_commands, timeout, dispose_sandbox, execution_context, extract_files: ( # noqa
|
||||
"execute_code": lambda api_key, code, language, template_id, setup_commands, timeout, dispose_sandbox: ( # noqa
|
||||
[], # results
|
||||
"Hello World", # text_output
|
||||
"Hello World\n", # stdout_logs
|
||||
"", # stderr_logs
|
||||
"sandbox_id", # sandbox_id
|
||||
[], # files
|
||||
),
|
||||
},
|
||||
)
|
||||
|
||||
async def run(
|
||||
self,
|
||||
input_data: Input,
|
||||
*,
|
||||
credentials: APIKeyCredentials,
|
||||
execution_context: "ExecutionContext",
|
||||
**kwargs,
|
||||
self, input_data: Input, *, credentials: APIKeyCredentials, **kwargs
|
||||
) -> BlockOutput:
|
||||
try:
|
||||
results, text_output, stdout, stderr, _, files = await self.execute_code(
|
||||
results, text_output, stdout, stderr, _ = await self.execute_code(
|
||||
api_key=credentials.api_key.get_secret_value(),
|
||||
code=input_data.code,
|
||||
language=input_data.language,
|
||||
@@ -336,8 +283,6 @@ class ExecuteCodeBlock(Block, BaseE2BExecutorMixin):
|
||||
setup_commands=input_data.setup_commands,
|
||||
timeout=input_data.timeout,
|
||||
dispose_sandbox=input_data.dispose_sandbox,
|
||||
execution_context=execution_context,
|
||||
extract_files=True,
|
||||
)
|
||||
|
||||
# Determine result object shape & filter out empty formats
|
||||
@@ -351,8 +296,6 @@ class ExecuteCodeBlock(Block, BaseE2BExecutorMixin):
|
||||
yield "stdout_logs", stdout
|
||||
if stderr:
|
||||
yield "stderr_logs", stderr
|
||||
# Always yield files (empty list if none)
|
||||
yield "files", [f.model_dump() for f in files]
|
||||
except Exception as e:
|
||||
yield "error", str(e)
|
||||
|
||||
@@ -450,7 +393,6 @@ class InstantiateCodeSandboxBlock(Block, BaseE2BExecutorMixin):
|
||||
"Hello World\n", # stdout_logs
|
||||
"", # stderr_logs
|
||||
"sandbox_id", # sandbox_id
|
||||
[], # files
|
||||
),
|
||||
},
|
||||
)
|
||||
@@ -459,7 +401,7 @@ class InstantiateCodeSandboxBlock(Block, BaseE2BExecutorMixin):
|
||||
self, input_data: Input, *, credentials: APIKeyCredentials, **kwargs
|
||||
) -> BlockOutput:
|
||||
try:
|
||||
_, text_output, stdout, stderr, sandbox_id, _ = await self.execute_code(
|
||||
_, text_output, stdout, stderr, sandbox_id = await self.execute_code(
|
||||
api_key=credentials.api_key.get_secret_value(),
|
||||
code=input_data.setup_code,
|
||||
language=input_data.language,
|
||||
@@ -558,7 +500,6 @@ class ExecuteCodeStepBlock(Block, BaseE2BExecutorMixin):
|
||||
"Hello World\n", # stdout_logs
|
||||
"", # stderr_logs
|
||||
sandbox_id, # sandbox_id
|
||||
[], # files
|
||||
),
|
||||
},
|
||||
)
|
||||
@@ -567,7 +508,7 @@ class ExecuteCodeStepBlock(Block, BaseE2BExecutorMixin):
|
||||
self, input_data: Input, *, credentials: APIKeyCredentials, **kwargs
|
||||
) -> BlockOutput:
|
||||
try:
|
||||
results, text_output, stdout, stderr, _, _ = await self.execute_code(
|
||||
results, text_output, stdout, stderr, _ = await self.execute_code(
|
||||
api_key=credentials.api_key.get_secret_value(),
|
||||
code=input_data.step_code,
|
||||
language=input_data.language,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
import re
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -6,7 +6,7 @@ from openai import AsyncOpenAI
|
||||
from openai.types.responses import Response as OpenAIResponse
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockManualWebhookConfig,
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
from typing import Any, List
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
import codecs
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -8,7 +8,7 @@ from typing import Any, Literal, cast
|
||||
import discord
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@
|
||||
Discord OAuth-based blocks.
|
||||
"""
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -7,7 +7,7 @@ from typing import Literal
|
||||
|
||||
from pydantic import BaseModel, ConfigDict, SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@
|
||||
|
||||
import codecs
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -8,7 +8,7 @@ which provides access to LinkedIn profile data and related information.
|
||||
import logging
|
||||
from typing import Optional
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -3,13 +3,6 @@ import logging
|
||||
from enum import Enum
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.fal._auth import (
|
||||
TEST_CREDENTIALS,
|
||||
TEST_CREDENTIALS_INPUT,
|
||||
@@ -17,6 +10,13 @@ from backend.blocks.fal._auth import (
|
||||
FalCredentialsField,
|
||||
FalCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.execution import ExecutionContext
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.file import store_media_file
|
||||
|
||||
@@ -5,7 +5,7 @@ from pydantic import SecretStr
|
||||
from replicate.client import Client as ReplicateClient
|
||||
from replicate.helpers import FileOutput
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Optional
|
||||
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -5,7 +5,7 @@ from typing import Optional
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -3,7 +3,7 @@ from urllib.parse import urlparse
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@ import re
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@ import base64
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -4,7 +4,7 @@ from typing import Any, List, Optional
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Optional
|
||||
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -4,7 +4,7 @@ from pathlib import Path
|
||||
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -8,7 +8,7 @@ from google.oauth2.credentials import Credentials
|
||||
from googleapiclient.discovery import build
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -7,14 +7,14 @@ from google.oauth2.credentials import Credentials
|
||||
from googleapiclient.discovery import build
|
||||
from gravitas_md2gdocs import to_requests
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.google._drive import GoogleDriveFile, GoogleDriveFileField
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.google._drive import GoogleDriveFile, GoogleDriveFileField
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.settings import Settings
|
||||
|
||||
|
||||
@@ -14,7 +14,7 @@ from google.oauth2.credentials import Credentials
|
||||
from googleapiclient.discovery import build
|
||||
from pydantic import BaseModel, Field
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -7,14 +7,14 @@ from enum import Enum
|
||||
from google.oauth2.credentials import Credentials
|
||||
from googleapiclient.discovery import build
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.google._drive import GoogleDriveFile, GoogleDriveFileField
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.google._drive import GoogleDriveFile, GoogleDriveFileField
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.settings import Settings
|
||||
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Literal
|
||||
import googlemaps
|
||||
from pydantic import BaseModel, SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -9,7 +9,9 @@ from typing import Any, Optional
|
||||
from prisma.enums import ReviewStatus
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.data.execution import ExecutionStatus
|
||||
from backend.data.human_review import ReviewResult
|
||||
from backend.executor.manager import async_update_node_execution_status
|
||||
from backend.util.clients import get_database_manager_async_client
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
@@ -41,8 +43,6 @@ class HITLReviewHelper:
|
||||
@staticmethod
|
||||
async def update_node_execution_status(**kwargs) -> None:
|
||||
"""Update the execution status of a node."""
|
||||
from backend.executor.manager import async_update_node_execution_status
|
||||
|
||||
await async_update_node_execution_status(
|
||||
db_client=get_database_manager_async_client(), **kwargs
|
||||
)
|
||||
@@ -88,13 +88,12 @@ class HITLReviewHelper:
|
||||
Raises:
|
||||
Exception: If review creation or status update fails
|
||||
"""
|
||||
from backend.data.execution import ExecutionStatus
|
||||
|
||||
# Note: Safe mode checks (human_in_the_loop_safe_mode, sensitive_action_safe_mode)
|
||||
# are handled by the caller:
|
||||
# - HITL blocks check human_in_the_loop_safe_mode in their run() method
|
||||
# - Sensitive action blocks check sensitive_action_safe_mode in is_block_exec_need_review()
|
||||
# This function only handles checking for existing approvals.
|
||||
|
||||
# Check if this node has already been approved (normal or auto-approval)
|
||||
if approval_result := await HITLReviewHelper.check_approval(
|
||||
node_exec_id=node_exec_id,
|
||||
|
||||
@@ -8,7 +8,7 @@ from typing import Literal
|
||||
import aiofiles
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -1,17 +1,17 @@
|
||||
from datetime import datetime, timedelta
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.hubspot._auth import (
|
||||
HubSpotCredentials,
|
||||
HubSpotCredentialsField,
|
||||
HubSpotCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -3,7 +3,8 @@ from typing import Any
|
||||
|
||||
from prisma.enums import ReviewStatus
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.helpers.review import HITLReviewHelper
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
@@ -11,7 +12,6 @@ from backend.blocks._base import (
|
||||
BlockSchemaOutput,
|
||||
BlockType,
|
||||
)
|
||||
from backend.blocks.helpers.review import HITLReviewHelper
|
||||
from backend.data.execution import ExecutionContext
|
||||
from backend.data.human_review import ReviewResult
|
||||
from backend.data.model import SchemaField
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Any, Dict, Literal, Optional
|
||||
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,9 @@ import copy
|
||||
from datetime import date, time
|
||||
from typing import Any, Optional
|
||||
|
||||
from backend.blocks._base import (
|
||||
# Import for Google Drive file input block
|
||||
from backend.blocks.google._drive import AttachmentView, GoogleDriveFile
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
@@ -10,9 +12,6 @@ from backend.blocks._base import (
|
||||
BlockSchemaInput,
|
||||
BlockType,
|
||||
)
|
||||
|
||||
# Import for Google Drive file input block
|
||||
from backend.blocks.google._drive import AttachmentView, GoogleDriveFile
|
||||
from backend.data.execution import ExecutionContext
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.file import store_media_file
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -3,18 +3,18 @@ from urllib.parse import quote
|
||||
|
||||
from typing_extensions import TypedDict
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.jina._auth import (
|
||||
JinaCredentials,
|
||||
JinaCredentialsField,
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
|
||||
|
||||
@@ -1,12 +1,5 @@
|
||||
from urllib.parse import quote
|
||||
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.jina._auth import (
|
||||
TEST_CREDENTIALS,
|
||||
TEST_CREDENTIALS_INPUT,
|
||||
@@ -15,6 +8,13 @@ from backend.blocks.jina._auth import (
|
||||
JinaCredentialsInput,
|
||||
)
|
||||
from backend.blocks.search import GetRequest
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.exceptions import BlockExecutionError
|
||||
|
||||
|
||||
@@ -15,7 +15,7 @@ from anthropic.types import ToolParam
|
||||
from groq import AsyncGroq
|
||||
from pydantic import BaseModel, SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@ import operator
|
||||
from enum import Enum
|
||||
from typing import Any
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,300 +0,0 @@
|
||||
"""
|
||||
MCP (Model Context Protocol) Tool Block.
|
||||
|
||||
A single dynamic block that can connect to any MCP server, discover available tools,
|
||||
and execute them. Works like AgentExecutorBlock — the user selects a tool from a
|
||||
dropdown and the input/output schema adapts dynamically.
|
||||
"""
|
||||
|
||||
import json
|
||||
import logging
|
||||
from typing import Any, Literal
|
||||
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
BlockType,
|
||||
)
|
||||
from backend.blocks.mcp.client import MCPClient, MCPClientError
|
||||
from backend.data.block import BlockInput, BlockOutput
|
||||
from backend.data.model import (
|
||||
CredentialsField,
|
||||
CredentialsMetaInput,
|
||||
OAuth2Credentials,
|
||||
SchemaField,
|
||||
)
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util.json import validate_with_jsonschema
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
TEST_CREDENTIALS = OAuth2Credentials(
|
||||
id="test-mcp-cred",
|
||||
provider="mcp",
|
||||
access_token=SecretStr("mock-mcp-token"),
|
||||
refresh_token=SecretStr("mock-refresh"),
|
||||
scopes=[],
|
||||
title="Mock MCP credential",
|
||||
)
|
||||
TEST_CREDENTIALS_INPUT = {
|
||||
"provider": TEST_CREDENTIALS.provider,
|
||||
"id": TEST_CREDENTIALS.id,
|
||||
"type": TEST_CREDENTIALS.type,
|
||||
"title": TEST_CREDENTIALS.title,
|
||||
}
|
||||
|
||||
|
||||
MCPCredentials = CredentialsMetaInput[Literal[ProviderName.MCP], Literal["oauth2"]]
|
||||
|
||||
|
||||
class MCPToolBlock(Block):
|
||||
"""
|
||||
A block that connects to an MCP server, lets the user pick a tool,
|
||||
and executes it with dynamic input/output schema.
|
||||
|
||||
The flow:
|
||||
1. User provides an MCP server URL (and optional credentials)
|
||||
2. Frontend calls the backend to get tool list from that URL
|
||||
3. User selects a tool from a dropdown (available_tools)
|
||||
4. The block's input schema updates to reflect the selected tool's parameters
|
||||
5. On execution, the block calls the MCP server to run the tool
|
||||
"""
|
||||
|
||||
class Input(BlockSchemaInput):
|
||||
server_url: str = SchemaField(
|
||||
description="URL of the MCP server (Streamable HTTP endpoint)",
|
||||
placeholder="https://mcp.example.com/mcp",
|
||||
)
|
||||
credentials: MCPCredentials = CredentialsField(
|
||||
discriminator="server_url",
|
||||
description="MCP server OAuth credentials",
|
||||
default={},
|
||||
)
|
||||
selected_tool: str = SchemaField(
|
||||
description="The MCP tool to execute",
|
||||
placeholder="Select a tool",
|
||||
default="",
|
||||
)
|
||||
tool_input_schema: dict[str, Any] = SchemaField(
|
||||
description="JSON Schema for the selected tool's input parameters. "
|
||||
"Populated automatically when a tool is selected.",
|
||||
default={},
|
||||
hidden=True,
|
||||
)
|
||||
|
||||
tool_arguments: dict[str, Any] = SchemaField(
|
||||
description="Arguments to pass to the selected MCP tool. "
|
||||
"The fields here are defined by the tool's input schema.",
|
||||
default={},
|
||||
)
|
||||
|
||||
@classmethod
|
||||
def get_input_schema(cls, data: BlockInput) -> dict[str, Any]:
|
||||
"""Return the tool's input schema so the builder UI renders dynamic fields."""
|
||||
return data.get("tool_input_schema", {})
|
||||
|
||||
@classmethod
|
||||
def get_input_defaults(cls, data: BlockInput) -> BlockInput:
|
||||
"""Return the current tool_arguments as defaults for the dynamic fields."""
|
||||
return data.get("tool_arguments", {})
|
||||
|
||||
@classmethod
|
||||
def get_missing_input(cls, data: BlockInput) -> set[str]:
|
||||
"""Check which required tool arguments are missing."""
|
||||
required_fields = cls.get_input_schema(data).get("required", [])
|
||||
tool_arguments = data.get("tool_arguments", {})
|
||||
return set(required_fields) - set(tool_arguments)
|
||||
|
||||
@classmethod
|
||||
def get_mismatch_error(cls, data: BlockInput) -> str | None:
|
||||
"""Validate tool_arguments against the tool's input schema."""
|
||||
tool_schema = cls.get_input_schema(data)
|
||||
if not tool_schema:
|
||||
return None
|
||||
tool_arguments = data.get("tool_arguments", {})
|
||||
return validate_with_jsonschema(tool_schema, tool_arguments)
|
||||
|
||||
class Output(BlockSchemaOutput):
|
||||
result: Any = SchemaField(description="The result returned by the MCP tool")
|
||||
error: str = SchemaField(description="Error message if the tool call failed")
|
||||
|
||||
def __init__(self):
|
||||
super().__init__(
|
||||
id="a0a4b1c2-d3e4-4f56-a7b8-c9d0e1f2a3b4",
|
||||
description="Connect to any MCP server and execute its tools. "
|
||||
"Provide a server URL, select a tool, and pass arguments dynamically.",
|
||||
categories={BlockCategory.DEVELOPER_TOOLS},
|
||||
input_schema=MCPToolBlock.Input,
|
||||
output_schema=MCPToolBlock.Output,
|
||||
block_type=BlockType.MCP_TOOL,
|
||||
test_credentials=TEST_CREDENTIALS,
|
||||
test_input={
|
||||
"server_url": "https://mcp.example.com/mcp",
|
||||
"credentials": TEST_CREDENTIALS_INPUT,
|
||||
"selected_tool": "get_weather",
|
||||
"tool_input_schema": {
|
||||
"type": "object",
|
||||
"properties": {"city": {"type": "string"}},
|
||||
"required": ["city"],
|
||||
},
|
||||
"tool_arguments": {"city": "London"},
|
||||
},
|
||||
test_output=[
|
||||
(
|
||||
"result",
|
||||
{"weather": "sunny", "temperature": 20},
|
||||
),
|
||||
],
|
||||
test_mock={
|
||||
"_call_mcp_tool": lambda *a, **kw: {
|
||||
"weather": "sunny",
|
||||
"temperature": 20,
|
||||
},
|
||||
},
|
||||
)
|
||||
|
||||
async def _call_mcp_tool(
|
||||
self,
|
||||
server_url: str,
|
||||
tool_name: str,
|
||||
arguments: dict[str, Any],
|
||||
auth_token: str | None = None,
|
||||
) -> Any:
|
||||
"""Call a tool on the MCP server. Extracted for easy mocking in tests."""
|
||||
client = MCPClient(server_url, auth_token=auth_token)
|
||||
await client.initialize()
|
||||
result = await client.call_tool(tool_name, arguments)
|
||||
|
||||
if result.is_error:
|
||||
error_text = ""
|
||||
for item in result.content:
|
||||
if item.get("type") == "text":
|
||||
error_text += item.get("text", "")
|
||||
raise MCPClientError(
|
||||
f"MCP tool '{tool_name}' returned an error: "
|
||||
f"{error_text or 'Unknown error'}"
|
||||
)
|
||||
|
||||
# Extract text content from the result
|
||||
output_parts = []
|
||||
for item in result.content:
|
||||
if item.get("type") == "text":
|
||||
text = item.get("text", "")
|
||||
# Try to parse as JSON for structured output
|
||||
try:
|
||||
output_parts.append(json.loads(text))
|
||||
except (json.JSONDecodeError, ValueError):
|
||||
output_parts.append(text)
|
||||
elif item.get("type") == "image":
|
||||
output_parts.append(
|
||||
{
|
||||
"type": "image",
|
||||
"data": item.get("data"),
|
||||
"mimeType": item.get("mimeType"),
|
||||
}
|
||||
)
|
||||
elif item.get("type") == "resource":
|
||||
output_parts.append(item.get("resource", {}))
|
||||
|
||||
# If single result, unwrap
|
||||
if len(output_parts) == 1:
|
||||
return output_parts[0]
|
||||
return output_parts if output_parts else None
|
||||
|
||||
@staticmethod
|
||||
async def _auto_lookup_credential(
|
||||
user_id: str, server_url: str
|
||||
) -> "OAuth2Credentials | None":
|
||||
"""Auto-lookup stored MCP credential for a server URL.
|
||||
|
||||
This is a fallback for nodes that don't have ``credentials`` explicitly
|
||||
set (e.g. nodes created before the credential field was wired up).
|
||||
"""
|
||||
from backend.integrations.creds_manager import IntegrationCredentialsManager
|
||||
from backend.integrations.providers import ProviderName
|
||||
|
||||
try:
|
||||
mgr = IntegrationCredentialsManager()
|
||||
mcp_creds = await mgr.store.get_creds_by_provider(
|
||||
user_id, ProviderName.MCP.value
|
||||
)
|
||||
best: OAuth2Credentials | None = None
|
||||
for cred in mcp_creds:
|
||||
if (
|
||||
isinstance(cred, OAuth2Credentials)
|
||||
and (cred.metadata or {}).get("mcp_server_url") == server_url
|
||||
):
|
||||
if best is None or (
|
||||
(cred.access_token_expires_at or 0)
|
||||
> (best.access_token_expires_at or 0)
|
||||
):
|
||||
best = cred
|
||||
if best:
|
||||
best = await mgr.refresh_if_needed(user_id, best)
|
||||
logger.info(
|
||||
"Auto-resolved MCP credential %s for %s", best.id, server_url
|
||||
)
|
||||
return best
|
||||
except Exception:
|
||||
logger.warning("Auto-lookup MCP credential failed", exc_info=True)
|
||||
return None
|
||||
|
||||
async def run(
|
||||
self,
|
||||
input_data: Input,
|
||||
*,
|
||||
user_id: str,
|
||||
credentials: OAuth2Credentials | None = None,
|
||||
**kwargs,
|
||||
) -> BlockOutput:
|
||||
if not input_data.server_url:
|
||||
yield "error", "MCP server URL is required"
|
||||
return
|
||||
|
||||
if not input_data.selected_tool:
|
||||
yield "error", "No tool selected. Please select a tool from the dropdown."
|
||||
return
|
||||
|
||||
# Validate required tool arguments before calling the server.
|
||||
# The executor-level validation is bypassed for MCP blocks because
|
||||
# get_input_defaults() flattens tool_arguments, stripping tool_input_schema
|
||||
# from the validation context.
|
||||
required = set(input_data.tool_input_schema.get("required", []))
|
||||
if required:
|
||||
missing = required - set(input_data.tool_arguments.keys())
|
||||
if missing:
|
||||
yield "error", (
|
||||
f"Missing required argument(s): {', '.join(sorted(missing))}. "
|
||||
f"Please fill in all required fields marked with * in the block form."
|
||||
)
|
||||
return
|
||||
|
||||
# If no credentials were injected by the executor (e.g. legacy nodes
|
||||
# that don't have the credentials field set), try to auto-lookup
|
||||
# the stored MCP credential for this server URL.
|
||||
if credentials is None:
|
||||
credentials = await self._auto_lookup_credential(
|
||||
user_id, input_data.server_url
|
||||
)
|
||||
|
||||
auth_token = (
|
||||
credentials.access_token.get_secret_value() if credentials else None
|
||||
)
|
||||
|
||||
try:
|
||||
result = await self._call_mcp_tool(
|
||||
server_url=input_data.server_url,
|
||||
tool_name=input_data.selected_tool,
|
||||
arguments=input_data.tool_arguments,
|
||||
auth_token=auth_token,
|
||||
)
|
||||
yield "result", result
|
||||
except MCPClientError as e:
|
||||
yield "error", str(e)
|
||||
except Exception as e:
|
||||
logger.exception(f"MCP tool call failed: {e}")
|
||||
yield "error", f"MCP tool call failed: {str(e)}"
|
||||
@@ -1,323 +0,0 @@
|
||||
"""
|
||||
MCP (Model Context Protocol) HTTP client.
|
||||
|
||||
Implements the MCP Streamable HTTP transport for listing tools and calling tools
|
||||
on remote MCP servers. Uses JSON-RPC 2.0 over HTTP POST.
|
||||
|
||||
Handles both JSON and SSE (text/event-stream) response formats per the MCP spec.
|
||||
|
||||
Reference: https://modelcontextprotocol.io/specification/2025-03-26/basic/transports
|
||||
"""
|
||||
|
||||
import json
|
||||
import logging
|
||||
from dataclasses import dataclass, field
|
||||
from typing import Any
|
||||
|
||||
from backend.util.request import Requests
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
@dataclass
|
||||
class MCPTool:
|
||||
"""Represents an MCP tool discovered from a server."""
|
||||
|
||||
name: str
|
||||
description: str
|
||||
input_schema: dict[str, Any]
|
||||
|
||||
|
||||
@dataclass
|
||||
class MCPCallResult:
|
||||
"""Result from calling an MCP tool."""
|
||||
|
||||
content: list[dict[str, Any]] = field(default_factory=list)
|
||||
is_error: bool = False
|
||||
|
||||
|
||||
class MCPClientError(Exception):
|
||||
"""Raised when an MCP protocol error occurs."""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
class MCPClient:
|
||||
"""
|
||||
Async HTTP client for the MCP Streamable HTTP transport.
|
||||
|
||||
Communicates with MCP servers using JSON-RPC 2.0 over HTTP POST.
|
||||
Supports optional Bearer token authentication.
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
server_url: str,
|
||||
auth_token: str | None = None,
|
||||
):
|
||||
self.server_url = server_url.rstrip("/")
|
||||
self.auth_token = auth_token
|
||||
self._request_id = 0
|
||||
self._session_id: str | None = None
|
||||
|
||||
def _next_id(self) -> int:
|
||||
self._request_id += 1
|
||||
return self._request_id
|
||||
|
||||
def _build_headers(self) -> dict[str, str]:
|
||||
headers = {
|
||||
"Content-Type": "application/json",
|
||||
"Accept": "application/json, text/event-stream",
|
||||
}
|
||||
if self.auth_token:
|
||||
headers["Authorization"] = f"Bearer {self.auth_token}"
|
||||
if self._session_id:
|
||||
headers["Mcp-Session-Id"] = self._session_id
|
||||
return headers
|
||||
|
||||
def _build_jsonrpc_request(
|
||||
self, method: str, params: dict[str, Any] | None = None
|
||||
) -> dict[str, Any]:
|
||||
req: dict[str, Any] = {
|
||||
"jsonrpc": "2.0",
|
||||
"method": method,
|
||||
"id": self._next_id(),
|
||||
}
|
||||
if params is not None:
|
||||
req["params"] = params
|
||||
return req
|
||||
|
||||
@staticmethod
|
||||
def _parse_sse_response(text: str) -> dict[str, Any]:
|
||||
"""Parse an SSE (text/event-stream) response body into JSON-RPC data.
|
||||
|
||||
MCP servers may return responses as SSE with format:
|
||||
event: message
|
||||
data: {"jsonrpc":"2.0","result":{...},"id":1}
|
||||
|
||||
We extract the last `data:` line that contains a JSON-RPC response
|
||||
(i.e. has an "id" field), which is the reply to our request.
|
||||
"""
|
||||
last_data: dict[str, Any] | None = None
|
||||
for line in text.splitlines():
|
||||
stripped = line.strip()
|
||||
if stripped.startswith("data:"):
|
||||
payload = stripped[len("data:") :].strip()
|
||||
if not payload:
|
||||
continue
|
||||
try:
|
||||
parsed = json.loads(payload)
|
||||
# Only keep JSON-RPC responses (have "id"), skip notifications
|
||||
if isinstance(parsed, dict) and "id" in parsed:
|
||||
last_data = parsed
|
||||
except (json.JSONDecodeError, ValueError):
|
||||
continue
|
||||
if last_data is None:
|
||||
raise MCPClientError("No JSON-RPC response found in SSE stream")
|
||||
return last_data
|
||||
|
||||
async def _send_request(
|
||||
self, method: str, params: dict[str, Any] | None = None
|
||||
) -> Any:
|
||||
"""Send a JSON-RPC request to the MCP server and return the result.
|
||||
|
||||
Handles both ``application/json`` and ``text/event-stream`` responses
|
||||
as required by the MCP Streamable HTTP transport specification.
|
||||
"""
|
||||
payload = self._build_jsonrpc_request(method, params)
|
||||
headers = self._build_headers()
|
||||
|
||||
requests = Requests(
|
||||
raise_for_status=True,
|
||||
extra_headers=headers,
|
||||
)
|
||||
response = await requests.post(self.server_url, json=payload)
|
||||
|
||||
# Capture session ID from response (MCP Streamable HTTP transport)
|
||||
session_id = response.headers.get("Mcp-Session-Id")
|
||||
if session_id:
|
||||
self._session_id = session_id
|
||||
|
||||
content_type = response.headers.get("content-type", "")
|
||||
if "text/event-stream" in content_type:
|
||||
body = self._parse_sse_response(response.text())
|
||||
else:
|
||||
try:
|
||||
body = response.json()
|
||||
except Exception as e:
|
||||
raise MCPClientError(
|
||||
f"MCP server returned non-JSON response: {e}"
|
||||
) from e
|
||||
|
||||
if not isinstance(body, dict):
|
||||
raise MCPClientError(
|
||||
f"MCP server returned unexpected JSON type: {type(body).__name__}"
|
||||
)
|
||||
|
||||
# Handle JSON-RPC error
|
||||
if "error" in body:
|
||||
error = body["error"]
|
||||
if isinstance(error, dict):
|
||||
raise MCPClientError(
|
||||
f"MCP server error [{error.get('code', '?')}]: "
|
||||
f"{error.get('message', 'Unknown error')}"
|
||||
)
|
||||
raise MCPClientError(f"MCP server error: {error}")
|
||||
|
||||
return body.get("result")
|
||||
|
||||
async def _send_notification(self, method: str) -> None:
|
||||
"""Send a JSON-RPC notification (no id, no response expected)."""
|
||||
headers = self._build_headers()
|
||||
notification = {"jsonrpc": "2.0", "method": method}
|
||||
requests = Requests(
|
||||
raise_for_status=False,
|
||||
extra_headers=headers,
|
||||
)
|
||||
await requests.post(self.server_url, json=notification)
|
||||
|
||||
async def discover_auth(self) -> dict[str, Any] | None:
|
||||
"""Probe the MCP server's OAuth metadata (RFC 9728 / MCP spec).
|
||||
|
||||
Returns ``None`` if the server doesn't require auth, otherwise returns
|
||||
a dict with:
|
||||
- ``authorization_servers``: list of authorization server URLs
|
||||
- ``resource``: the resource indicator URL (usually the MCP endpoint)
|
||||
- ``scopes_supported``: optional list of supported scopes
|
||||
|
||||
The caller can then fetch the authorization server metadata to get
|
||||
``authorization_endpoint``, ``token_endpoint``, etc.
|
||||
"""
|
||||
from urllib.parse import urlparse
|
||||
|
||||
parsed = urlparse(self.server_url)
|
||||
base = f"{parsed.scheme}://{parsed.netloc}"
|
||||
|
||||
# Build candidates for protected-resource metadata (per RFC 9728)
|
||||
path = parsed.path.rstrip("/")
|
||||
candidates = []
|
||||
if path and path != "/":
|
||||
candidates.append(f"{base}/.well-known/oauth-protected-resource{path}")
|
||||
candidates.append(f"{base}/.well-known/oauth-protected-resource")
|
||||
|
||||
requests = Requests(
|
||||
raise_for_status=False,
|
||||
)
|
||||
for url in candidates:
|
||||
try:
|
||||
resp = await requests.get(url)
|
||||
if resp.status == 200:
|
||||
data = resp.json()
|
||||
if isinstance(data, dict) and "authorization_servers" in data:
|
||||
return data
|
||||
except Exception:
|
||||
continue
|
||||
|
||||
return None
|
||||
|
||||
async def discover_auth_server_metadata(
|
||||
self, auth_server_url: str
|
||||
) -> dict[str, Any] | None:
|
||||
"""Fetch the OAuth Authorization Server Metadata (RFC 8414).
|
||||
|
||||
Given an authorization server URL, returns a dict with:
|
||||
- ``authorization_endpoint``
|
||||
- ``token_endpoint``
|
||||
- ``registration_endpoint`` (for dynamic client registration)
|
||||
- ``scopes_supported``
|
||||
- ``code_challenge_methods_supported``
|
||||
- etc.
|
||||
"""
|
||||
from urllib.parse import urlparse
|
||||
|
||||
parsed = urlparse(auth_server_url)
|
||||
base = f"{parsed.scheme}://{parsed.netloc}"
|
||||
path = parsed.path.rstrip("/")
|
||||
|
||||
# Try standard metadata endpoints (RFC 8414 and OpenID Connect)
|
||||
candidates = []
|
||||
if path and path != "/":
|
||||
candidates.append(f"{base}/.well-known/oauth-authorization-server{path}")
|
||||
candidates.append(f"{base}/.well-known/oauth-authorization-server")
|
||||
candidates.append(f"{base}/.well-known/openid-configuration")
|
||||
|
||||
requests = Requests(
|
||||
raise_for_status=False,
|
||||
)
|
||||
for url in candidates:
|
||||
try:
|
||||
resp = await requests.get(url)
|
||||
if resp.status == 200:
|
||||
data = resp.json()
|
||||
if isinstance(data, dict) and "authorization_endpoint" in data:
|
||||
return data
|
||||
except Exception:
|
||||
continue
|
||||
|
||||
return None
|
||||
|
||||
async def initialize(self) -> dict[str, Any]:
|
||||
"""
|
||||
Send the MCP initialize request.
|
||||
|
||||
This is required by the MCP protocol before any other requests.
|
||||
Returns the server's capabilities.
|
||||
"""
|
||||
result = await self._send_request(
|
||||
"initialize",
|
||||
{
|
||||
"protocolVersion": "2025-03-26",
|
||||
"capabilities": {},
|
||||
"clientInfo": {"name": "AutoGPT-Platform", "version": "1.0.0"},
|
||||
},
|
||||
)
|
||||
# Send initialized notification (no response expected)
|
||||
await self._send_notification("notifications/initialized")
|
||||
|
||||
return result or {}
|
||||
|
||||
async def list_tools(self) -> list[MCPTool]:
|
||||
"""
|
||||
Discover available tools from the MCP server.
|
||||
|
||||
Returns a list of MCPTool objects with name, description, and input schema.
|
||||
"""
|
||||
result = await self._send_request("tools/list")
|
||||
if not result or "tools" not in result:
|
||||
return []
|
||||
|
||||
tools = []
|
||||
for tool_data in result["tools"]:
|
||||
tools.append(
|
||||
MCPTool(
|
||||
name=tool_data.get("name", ""),
|
||||
description=tool_data.get("description", ""),
|
||||
input_schema=tool_data.get("inputSchema", {}),
|
||||
)
|
||||
)
|
||||
return tools
|
||||
|
||||
async def call_tool(
|
||||
self, tool_name: str, arguments: dict[str, Any]
|
||||
) -> MCPCallResult:
|
||||
"""
|
||||
Call a tool on the MCP server.
|
||||
|
||||
Args:
|
||||
tool_name: The name of the tool to call.
|
||||
arguments: The arguments to pass to the tool.
|
||||
|
||||
Returns:
|
||||
MCPCallResult with the tool's response content.
|
||||
"""
|
||||
result = await self._send_request(
|
||||
"tools/call",
|
||||
{"name": tool_name, "arguments": arguments},
|
||||
)
|
||||
if not result:
|
||||
return MCPCallResult(is_error=True)
|
||||
|
||||
return MCPCallResult(
|
||||
content=result.get("content", []),
|
||||
is_error=result.get("isError", False),
|
||||
)
|
||||
@@ -1,204 +0,0 @@
|
||||
"""
|
||||
MCP OAuth handler for MCP servers that use OAuth 2.1 authorization.
|
||||
|
||||
Unlike other OAuth handlers (GitHub, Google, etc.) where endpoints are fixed,
|
||||
MCP servers have dynamic endpoints discovered via RFC 9728 / RFC 8414 metadata.
|
||||
This handler accepts those endpoints at construction time.
|
||||
"""
|
||||
|
||||
import logging
|
||||
import time
|
||||
import urllib.parse
|
||||
from typing import ClassVar, Optional
|
||||
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.data.model import OAuth2Credentials
|
||||
from backend.integrations.oauth.base import BaseOAuthHandler
|
||||
from backend.integrations.providers import ProviderName
|
||||
from backend.util.request import Requests
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class MCPOAuthHandler(BaseOAuthHandler):
|
||||
"""
|
||||
OAuth handler for MCP servers with dynamically-discovered endpoints.
|
||||
|
||||
Construction requires the authorization and token endpoint URLs,
|
||||
which are obtained via MCP OAuth metadata discovery
|
||||
(``MCPClient.discover_auth`` + ``discover_auth_server_metadata``).
|
||||
"""
|
||||
|
||||
PROVIDER_NAME: ClassVar[ProviderName | str] = ProviderName.MCP
|
||||
DEFAULT_SCOPES: ClassVar[list[str]] = []
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
client_id: str,
|
||||
client_secret: str,
|
||||
redirect_uri: str,
|
||||
*,
|
||||
authorize_url: str,
|
||||
token_url: str,
|
||||
revoke_url: str | None = None,
|
||||
resource_url: str | None = None,
|
||||
):
|
||||
self.client_id = client_id
|
||||
self.client_secret = client_secret
|
||||
self.redirect_uri = redirect_uri
|
||||
self.authorize_url = authorize_url
|
||||
self.token_url = token_url
|
||||
self.revoke_url = revoke_url
|
||||
self.resource_url = resource_url
|
||||
|
||||
def get_login_url(
|
||||
self,
|
||||
scopes: list[str],
|
||||
state: str,
|
||||
code_challenge: Optional[str],
|
||||
) -> str:
|
||||
scopes = self.handle_default_scopes(scopes)
|
||||
|
||||
params: dict[str, str] = {
|
||||
"response_type": "code",
|
||||
"client_id": self.client_id,
|
||||
"redirect_uri": self.redirect_uri,
|
||||
"state": state,
|
||||
}
|
||||
if scopes:
|
||||
params["scope"] = " ".join(scopes)
|
||||
# PKCE (S256) — included when the caller provides a code_challenge
|
||||
if code_challenge:
|
||||
params["code_challenge"] = code_challenge
|
||||
params["code_challenge_method"] = "S256"
|
||||
# MCP spec requires resource indicator (RFC 8707)
|
||||
if self.resource_url:
|
||||
params["resource"] = self.resource_url
|
||||
|
||||
return f"{self.authorize_url}?{urllib.parse.urlencode(params)}"
|
||||
|
||||
async def exchange_code_for_tokens(
|
||||
self,
|
||||
code: str,
|
||||
scopes: list[str],
|
||||
code_verifier: Optional[str],
|
||||
) -> OAuth2Credentials:
|
||||
data: dict[str, str] = {
|
||||
"grant_type": "authorization_code",
|
||||
"code": code,
|
||||
"redirect_uri": self.redirect_uri,
|
||||
"client_id": self.client_id,
|
||||
}
|
||||
if self.client_secret:
|
||||
data["client_secret"] = self.client_secret
|
||||
if code_verifier:
|
||||
data["code_verifier"] = code_verifier
|
||||
if self.resource_url:
|
||||
data["resource"] = self.resource_url
|
||||
|
||||
response = await Requests(raise_for_status=True).post(
|
||||
self.token_url,
|
||||
data=data,
|
||||
headers={"Content-Type": "application/x-www-form-urlencoded"},
|
||||
)
|
||||
tokens = response.json()
|
||||
|
||||
if "error" in tokens:
|
||||
raise RuntimeError(
|
||||
f"Token exchange failed: {tokens.get('error_description', tokens['error'])}"
|
||||
)
|
||||
|
||||
if "access_token" not in tokens:
|
||||
raise RuntimeError("OAuth token response missing 'access_token' field")
|
||||
|
||||
now = int(time.time())
|
||||
expires_in = tokens.get("expires_in")
|
||||
|
||||
return OAuth2Credentials(
|
||||
provider=self.PROVIDER_NAME,
|
||||
title=None,
|
||||
access_token=SecretStr(tokens["access_token"]),
|
||||
refresh_token=(
|
||||
SecretStr(tokens["refresh_token"])
|
||||
if tokens.get("refresh_token")
|
||||
else None
|
||||
),
|
||||
access_token_expires_at=now + expires_in if expires_in else None,
|
||||
refresh_token_expires_at=None,
|
||||
scopes=scopes,
|
||||
metadata={
|
||||
"mcp_token_url": self.token_url,
|
||||
"mcp_resource_url": self.resource_url,
|
||||
},
|
||||
)
|
||||
|
||||
async def _refresh_tokens(
|
||||
self, credentials: OAuth2Credentials
|
||||
) -> OAuth2Credentials:
|
||||
if not credentials.refresh_token:
|
||||
raise ValueError("No refresh token available for MCP OAuth credentials")
|
||||
|
||||
data: dict[str, str] = {
|
||||
"grant_type": "refresh_token",
|
||||
"refresh_token": credentials.refresh_token.get_secret_value(),
|
||||
"client_id": self.client_id,
|
||||
}
|
||||
if self.client_secret:
|
||||
data["client_secret"] = self.client_secret
|
||||
if self.resource_url:
|
||||
data["resource"] = self.resource_url
|
||||
|
||||
response = await Requests(raise_for_status=True).post(
|
||||
self.token_url,
|
||||
data=data,
|
||||
headers={"Content-Type": "application/x-www-form-urlencoded"},
|
||||
)
|
||||
tokens = response.json()
|
||||
|
||||
if "error" in tokens:
|
||||
raise RuntimeError(
|
||||
f"Token refresh failed: {tokens.get('error_description', tokens['error'])}"
|
||||
)
|
||||
|
||||
if "access_token" not in tokens:
|
||||
raise RuntimeError("OAuth refresh response missing 'access_token' field")
|
||||
|
||||
now = int(time.time())
|
||||
expires_in = tokens.get("expires_in")
|
||||
|
||||
return OAuth2Credentials(
|
||||
id=credentials.id,
|
||||
provider=self.PROVIDER_NAME,
|
||||
title=credentials.title,
|
||||
access_token=SecretStr(tokens["access_token"]),
|
||||
refresh_token=(
|
||||
SecretStr(tokens["refresh_token"])
|
||||
if tokens.get("refresh_token")
|
||||
else credentials.refresh_token
|
||||
),
|
||||
access_token_expires_at=now + expires_in if expires_in else None,
|
||||
refresh_token_expires_at=credentials.refresh_token_expires_at,
|
||||
scopes=credentials.scopes,
|
||||
metadata=credentials.metadata,
|
||||
)
|
||||
|
||||
async def revoke_tokens(self, credentials: OAuth2Credentials) -> bool:
|
||||
if not self.revoke_url:
|
||||
return False
|
||||
|
||||
try:
|
||||
data = {
|
||||
"token": credentials.access_token.get_secret_value(),
|
||||
"token_type_hint": "access_token",
|
||||
"client_id": self.client_id,
|
||||
}
|
||||
await Requests().post(
|
||||
self.revoke_url,
|
||||
data=data,
|
||||
headers={"Content-Type": "application/x-www-form-urlencoded"},
|
||||
)
|
||||
return True
|
||||
except Exception:
|
||||
logger.warning("Failed to revoke MCP OAuth tokens", exc_info=True)
|
||||
return False
|
||||
@@ -1,109 +0,0 @@
|
||||
"""
|
||||
End-to-end tests against a real public MCP server.
|
||||
|
||||
These tests hit the OpenAI docs MCP server (https://developers.openai.com/mcp)
|
||||
which is publicly accessible without authentication and returns SSE responses.
|
||||
|
||||
Mark: These are tagged with ``@pytest.mark.e2e`` so they can be run/skipped
|
||||
independently of the rest of the test suite (they require network access).
|
||||
"""
|
||||
|
||||
import json
|
||||
import os
|
||||
|
||||
import pytest
|
||||
|
||||
from backend.blocks.mcp.client import MCPClient
|
||||
|
||||
# Public MCP server that requires no authentication
|
||||
OPENAI_DOCS_MCP_URL = "https://developers.openai.com/mcp"
|
||||
|
||||
# Skip all tests in this module unless RUN_E2E env var is set
|
||||
pytestmark = pytest.mark.skipif(
|
||||
not os.environ.get("RUN_E2E"), reason="set RUN_E2E=1 to run e2e tests"
|
||||
)
|
||||
|
||||
|
||||
class TestRealMCPServer:
|
||||
"""Tests against the live OpenAI docs MCP server."""
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_initialize(self):
|
||||
"""Verify we can complete the MCP handshake with a real server."""
|
||||
client = MCPClient(OPENAI_DOCS_MCP_URL)
|
||||
result = await client.initialize()
|
||||
|
||||
assert result["protocolVersion"] == "2025-03-26"
|
||||
assert "serverInfo" in result
|
||||
assert result["serverInfo"]["name"] == "openai-docs-mcp"
|
||||
assert "tools" in result.get("capabilities", {})
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_list_tools(self):
|
||||
"""Verify we can discover tools from a real MCP server."""
|
||||
client = MCPClient(OPENAI_DOCS_MCP_URL)
|
||||
await client.initialize()
|
||||
tools = await client.list_tools()
|
||||
|
||||
assert len(tools) >= 3 # server has at least 5 tools as of writing
|
||||
|
||||
tool_names = {t.name for t in tools}
|
||||
# These tools are documented and should be stable
|
||||
assert "search_openai_docs" in tool_names
|
||||
assert "list_openai_docs" in tool_names
|
||||
assert "fetch_openai_doc" in tool_names
|
||||
|
||||
# Verify schema structure
|
||||
search_tool = next(t for t in tools if t.name == "search_openai_docs")
|
||||
assert "query" in search_tool.input_schema.get("properties", {})
|
||||
assert "query" in search_tool.input_schema.get("required", [])
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_list_api_endpoints(self):
|
||||
"""Call the list_api_endpoints tool and verify we get real data."""
|
||||
client = MCPClient(OPENAI_DOCS_MCP_URL)
|
||||
await client.initialize()
|
||||
result = await client.call_tool("list_api_endpoints", {})
|
||||
|
||||
assert not result.is_error
|
||||
assert len(result.content) >= 1
|
||||
assert result.content[0]["type"] == "text"
|
||||
|
||||
data = json.loads(result.content[0]["text"])
|
||||
assert "paths" in data or "urls" in data
|
||||
# The OpenAI API should have many endpoints
|
||||
total = data.get("total", len(data.get("paths", [])))
|
||||
assert total > 50
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_search(self):
|
||||
"""Search for docs and verify we get results."""
|
||||
client = MCPClient(OPENAI_DOCS_MCP_URL)
|
||||
await client.initialize()
|
||||
result = await client.call_tool(
|
||||
"search_openai_docs", {"query": "chat completions", "limit": 3}
|
||||
)
|
||||
|
||||
assert not result.is_error
|
||||
assert len(result.content) >= 1
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_sse_response_handling(self):
|
||||
"""Verify the client correctly handles SSE responses from a real server.
|
||||
|
||||
This is the key test — our local test server returns JSON,
|
||||
but real MCP servers typically return SSE. This proves the
|
||||
SSE parsing works end-to-end.
|
||||
"""
|
||||
client = MCPClient(OPENAI_DOCS_MCP_URL)
|
||||
# initialize() internally calls _send_request which must parse SSE
|
||||
result = await client.initialize()
|
||||
|
||||
# If we got here without error, SSE parsing works
|
||||
assert isinstance(result, dict)
|
||||
assert "protocolVersion" in result
|
||||
|
||||
# Also verify list_tools works (another SSE response)
|
||||
tools = await client.list_tools()
|
||||
assert len(tools) > 0
|
||||
assert all(hasattr(t, "name") for t in tools)
|
||||
@@ -1,389 +0,0 @@
|
||||
"""
|
||||
Integration tests for MCP client and MCPToolBlock against a real HTTP server.
|
||||
|
||||
These tests spin up a local MCP test server and run the full client/block flow
|
||||
against it — no mocking, real HTTP requests.
|
||||
"""
|
||||
|
||||
import asyncio
|
||||
import json
|
||||
import threading
|
||||
from unittest.mock import patch
|
||||
|
||||
import pytest
|
||||
from aiohttp import web
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks.mcp.block import MCPToolBlock
|
||||
from backend.blocks.mcp.client import MCPClient
|
||||
from backend.blocks.mcp.test_server import create_test_mcp_app
|
||||
from backend.data.model import OAuth2Credentials
|
||||
|
||||
MOCK_USER_ID = "test-user-integration"
|
||||
|
||||
|
||||
class _MCPTestServer:
|
||||
"""
|
||||
Run an MCP test server in a background thread with its own event loop.
|
||||
This avoids event loop conflicts with pytest-asyncio.
|
||||
"""
|
||||
|
||||
def __init__(self, auth_token: str | None = None):
|
||||
self.auth_token = auth_token
|
||||
self.url: str = ""
|
||||
self._runner: web.AppRunner | None = None
|
||||
self._loop: asyncio.AbstractEventLoop | None = None
|
||||
self._thread: threading.Thread | None = None
|
||||
self._started = threading.Event()
|
||||
|
||||
def _run(self):
|
||||
self._loop = asyncio.new_event_loop()
|
||||
asyncio.set_event_loop(self._loop)
|
||||
self._loop.run_until_complete(self._start())
|
||||
self._started.set()
|
||||
self._loop.run_forever()
|
||||
|
||||
async def _start(self):
|
||||
app = create_test_mcp_app(auth_token=self.auth_token)
|
||||
self._runner = web.AppRunner(app)
|
||||
await self._runner.setup()
|
||||
site = web.TCPSite(self._runner, "127.0.0.1", 0)
|
||||
await site.start()
|
||||
port = site._server.sockets[0].getsockname()[1] # type: ignore[union-attr]
|
||||
self.url = f"http://127.0.0.1:{port}/mcp"
|
||||
|
||||
def start(self):
|
||||
self._thread = threading.Thread(target=self._run, daemon=True)
|
||||
self._thread.start()
|
||||
if not self._started.wait(timeout=5):
|
||||
raise RuntimeError("MCP test server failed to start within 5 seconds")
|
||||
return self
|
||||
|
||||
def stop(self):
|
||||
if self._loop and self._runner:
|
||||
asyncio.run_coroutine_threadsafe(self._runner.cleanup(), self._loop).result(
|
||||
timeout=5
|
||||
)
|
||||
self._loop.call_soon_threadsafe(self._loop.stop)
|
||||
if self._thread:
|
||||
self._thread.join(timeout=5)
|
||||
|
||||
|
||||
@pytest.fixture(scope="module")
|
||||
def mcp_server():
|
||||
"""Start a local MCP test server in a background thread."""
|
||||
server = _MCPTestServer()
|
||||
server.start()
|
||||
yield server.url
|
||||
server.stop()
|
||||
|
||||
|
||||
@pytest.fixture(scope="module")
|
||||
def mcp_server_with_auth():
|
||||
"""Start a local MCP test server with auth in a background thread."""
|
||||
server = _MCPTestServer(auth_token="test-secret-token")
|
||||
server.start()
|
||||
yield server.url, "test-secret-token"
|
||||
server.stop()
|
||||
|
||||
|
||||
@pytest.fixture(autouse=True)
|
||||
def _allow_localhost():
|
||||
"""
|
||||
Allow 127.0.0.1 through SSRF protection for integration tests.
|
||||
|
||||
The Requests class blocks private IPs by default. We patch the Requests
|
||||
constructor to always include 127.0.0.1 as a trusted origin so the local
|
||||
test server is reachable.
|
||||
"""
|
||||
from backend.util.request import Requests
|
||||
|
||||
original_init = Requests.__init__
|
||||
|
||||
def patched_init(self, *args, **kwargs):
|
||||
trusted = list(kwargs.get("trusted_origins") or [])
|
||||
trusted.append("http://127.0.0.1")
|
||||
kwargs["trusted_origins"] = trusted
|
||||
original_init(self, *args, **kwargs)
|
||||
|
||||
with patch.object(Requests, "__init__", patched_init):
|
||||
yield
|
||||
|
||||
|
||||
def _make_client(url: str, auth_token: str | None = None) -> MCPClient:
|
||||
"""Create an MCPClient for integration tests."""
|
||||
return MCPClient(url, auth_token=auth_token)
|
||||
|
||||
|
||||
# ── MCPClient integration tests ──────────────────────────────────────
|
||||
|
||||
|
||||
class TestMCPClientIntegration:
|
||||
"""Test MCPClient against a real local MCP server."""
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_initialize(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
result = await client.initialize()
|
||||
|
||||
assert result["protocolVersion"] == "2025-03-26"
|
||||
assert result["serverInfo"]["name"] == "test-mcp-server"
|
||||
assert "tools" in result["capabilities"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_list_tools(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
tools = await client.list_tools()
|
||||
|
||||
assert len(tools) == 3
|
||||
|
||||
tool_names = {t.name for t in tools}
|
||||
assert tool_names == {"get_weather", "add_numbers", "echo"}
|
||||
|
||||
# Check get_weather schema
|
||||
weather = next(t for t in tools if t.name == "get_weather")
|
||||
assert weather.description == "Get current weather for a city"
|
||||
assert "city" in weather.input_schema["properties"]
|
||||
assert weather.input_schema["required"] == ["city"]
|
||||
|
||||
# Check add_numbers schema
|
||||
add = next(t for t in tools if t.name == "add_numbers")
|
||||
assert "a" in add.input_schema["properties"]
|
||||
assert "b" in add.input_schema["properties"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_get_weather(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
result = await client.call_tool("get_weather", {"city": "London"})
|
||||
|
||||
assert not result.is_error
|
||||
assert len(result.content) == 1
|
||||
assert result.content[0]["type"] == "text"
|
||||
|
||||
data = json.loads(result.content[0]["text"])
|
||||
assert data["city"] == "London"
|
||||
assert data["temperature"] == 22
|
||||
assert data["condition"] == "sunny"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_add_numbers(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
result = await client.call_tool("add_numbers", {"a": 3, "b": 7})
|
||||
|
||||
assert not result.is_error
|
||||
data = json.loads(result.content[0]["text"])
|
||||
assert data["result"] == 10
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_echo(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
result = await client.call_tool("echo", {"message": "Hello MCP!"})
|
||||
|
||||
assert not result.is_error
|
||||
assert result.content[0]["text"] == "Hello MCP!"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_unknown_tool(self, mcp_server):
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
result = await client.call_tool("nonexistent_tool", {})
|
||||
|
||||
assert result.is_error
|
||||
assert "Unknown tool" in result.content[0]["text"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_auth_success(self, mcp_server_with_auth):
|
||||
url, token = mcp_server_with_auth
|
||||
client = _make_client(url, auth_token=token)
|
||||
result = await client.initialize()
|
||||
|
||||
assert result["protocolVersion"] == "2025-03-26"
|
||||
|
||||
tools = await client.list_tools()
|
||||
assert len(tools) == 3
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_auth_failure(self, mcp_server_with_auth):
|
||||
url, _ = mcp_server_with_auth
|
||||
client = _make_client(url, auth_token="wrong-token")
|
||||
|
||||
with pytest.raises(Exception):
|
||||
await client.initialize()
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_auth_missing(self, mcp_server_with_auth):
|
||||
url, _ = mcp_server_with_auth
|
||||
client = _make_client(url)
|
||||
|
||||
with pytest.raises(Exception):
|
||||
await client.initialize()
|
||||
|
||||
|
||||
# ── MCPToolBlock integration tests ───────────────────────────────────
|
||||
|
||||
|
||||
class TestMCPToolBlockIntegration:
|
||||
"""Test MCPToolBlock end-to-end against a real local MCP server."""
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_full_flow_get_weather(self, mcp_server):
|
||||
"""Full flow: discover tools, select one, execute it."""
|
||||
# Step 1: Discover tools (simulating what the frontend/API would do)
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
tools = await client.list_tools()
|
||||
assert len(tools) == 3
|
||||
|
||||
# Step 2: User selects "get_weather" and we get its schema
|
||||
weather_tool = next(t for t in tools if t.name == "get_weather")
|
||||
|
||||
# Step 3: Execute the block — no credentials (public server)
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=mcp_server,
|
||||
selected_tool="get_weather",
|
||||
tool_input_schema=weather_tool.input_schema,
|
||||
tool_arguments={"city": "Paris"},
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
result = outputs[0][1]
|
||||
assert result["city"] == "Paris"
|
||||
assert result["temperature"] == 22
|
||||
assert result["condition"] == "sunny"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_full_flow_add_numbers(self, mcp_server):
|
||||
"""Full flow for add_numbers tool."""
|
||||
client = _make_client(mcp_server)
|
||||
await client.initialize()
|
||||
tools = await client.list_tools()
|
||||
add_tool = next(t for t in tools if t.name == "add_numbers")
|
||||
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=mcp_server,
|
||||
selected_tool="add_numbers",
|
||||
tool_input_schema=add_tool.input_schema,
|
||||
tool_arguments={"a": 42, "b": 58},
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
assert outputs[0][1]["result"] == 100
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_full_flow_echo_plain_text(self, mcp_server):
|
||||
"""Verify plain text (non-JSON) responses work."""
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=mcp_server,
|
||||
selected_tool="echo",
|
||||
tool_input_schema={
|
||||
"type": "object",
|
||||
"properties": {"message": {"type": "string"}},
|
||||
"required": ["message"],
|
||||
},
|
||||
tool_arguments={"message": "Hello from AutoGPT!"},
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
assert outputs[0][1] == "Hello from AutoGPT!"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_full_flow_unknown_tool_yields_error(self, mcp_server):
|
||||
"""Calling an unknown tool should yield an error output."""
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=mcp_server,
|
||||
selected_tool="nonexistent_tool",
|
||||
tool_arguments={},
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "error"
|
||||
assert "returned an error" in outputs[0][1]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_full_flow_with_auth(self, mcp_server_with_auth):
|
||||
"""Full flow with authentication via credentials kwarg."""
|
||||
url, token = mcp_server_with_auth
|
||||
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=url,
|
||||
selected_tool="echo",
|
||||
tool_input_schema={
|
||||
"type": "object",
|
||||
"properties": {"message": {"type": "string"}},
|
||||
"required": ["message"],
|
||||
},
|
||||
tool_arguments={"message": "Authenticated!"},
|
||||
)
|
||||
|
||||
# Pass credentials via the standard kwarg (as the executor would)
|
||||
test_creds = OAuth2Credentials(
|
||||
id="test-cred",
|
||||
provider="mcp",
|
||||
access_token=SecretStr(token),
|
||||
refresh_token=SecretStr(""),
|
||||
scopes=[],
|
||||
title="Test MCP credential",
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(
|
||||
input_data, user_id=MOCK_USER_ID, credentials=test_creds
|
||||
):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
assert outputs[0][1] == "Authenticated!"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_no_credentials_runs_without_auth(self, mcp_server):
|
||||
"""Block runs without auth when no credentials are provided."""
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url=mcp_server,
|
||||
selected_tool="echo",
|
||||
tool_input_schema={
|
||||
"type": "object",
|
||||
"properties": {"message": {"type": "string"}},
|
||||
"required": ["message"],
|
||||
},
|
||||
tool_arguments={"message": "No auth needed"},
|
||||
)
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(
|
||||
input_data, user_id=MOCK_USER_ID, credentials=None
|
||||
):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
assert outputs[0][1] == "No auth needed"
|
||||
@@ -1,619 +0,0 @@
|
||||
"""
|
||||
Tests for MCP client and MCPToolBlock.
|
||||
"""
|
||||
|
||||
import json
|
||||
from unittest.mock import AsyncMock, patch
|
||||
|
||||
import pytest
|
||||
|
||||
from backend.blocks.mcp.block import MCPToolBlock
|
||||
from backend.blocks.mcp.client import MCPCallResult, MCPClient, MCPClientError
|
||||
from backend.util.test import execute_block_test
|
||||
|
||||
# ── SSE parsing unit tests ───────────────────────────────────────────
|
||||
|
||||
|
||||
class TestSSEParsing:
|
||||
"""Tests for SSE (text/event-stream) response parsing."""
|
||||
|
||||
def test_parse_sse_simple(self):
|
||||
sse = (
|
||||
"event: message\n"
|
||||
'data: {"jsonrpc":"2.0","result":{"tools":[]},"id":1}\n'
|
||||
"\n"
|
||||
)
|
||||
body = MCPClient._parse_sse_response(sse)
|
||||
assert body["result"] == {"tools": []}
|
||||
assert body["id"] == 1
|
||||
|
||||
def test_parse_sse_with_notifications(self):
|
||||
"""SSE streams can contain notifications (no id) before the response."""
|
||||
sse = (
|
||||
"event: message\n"
|
||||
'data: {"jsonrpc":"2.0","method":"some/notification"}\n'
|
||||
"\n"
|
||||
"event: message\n"
|
||||
'data: {"jsonrpc":"2.0","result":{"ok":true},"id":2}\n'
|
||||
"\n"
|
||||
)
|
||||
body = MCPClient._parse_sse_response(sse)
|
||||
assert body["result"] == {"ok": True}
|
||||
assert body["id"] == 2
|
||||
|
||||
def test_parse_sse_error_response(self):
|
||||
sse = (
|
||||
"event: message\n"
|
||||
'data: {"jsonrpc":"2.0","error":{"code":-32600,"message":"Bad Request"},"id":1}\n'
|
||||
)
|
||||
body = MCPClient._parse_sse_response(sse)
|
||||
assert "error" in body
|
||||
assert body["error"]["code"] == -32600
|
||||
|
||||
def test_parse_sse_no_data_raises(self):
|
||||
with pytest.raises(MCPClientError, match="No JSON-RPC response found"):
|
||||
MCPClient._parse_sse_response("event: message\n\n")
|
||||
|
||||
def test_parse_sse_empty_raises(self):
|
||||
with pytest.raises(MCPClientError, match="No JSON-RPC response found"):
|
||||
MCPClient._parse_sse_response("")
|
||||
|
||||
def test_parse_sse_ignores_non_data_lines(self):
|
||||
sse = (
|
||||
": comment line\n"
|
||||
"event: message\n"
|
||||
"id: 123\n"
|
||||
'data: {"jsonrpc":"2.0","result":"ok","id":1}\n'
|
||||
"\n"
|
||||
)
|
||||
body = MCPClient._parse_sse_response(sse)
|
||||
assert body["result"] == "ok"
|
||||
|
||||
def test_parse_sse_uses_last_response(self):
|
||||
"""If multiple responses exist, use the last one."""
|
||||
sse = (
|
||||
'data: {"jsonrpc":"2.0","result":"first","id":1}\n'
|
||||
"\n"
|
||||
'data: {"jsonrpc":"2.0","result":"second","id":2}\n'
|
||||
"\n"
|
||||
)
|
||||
body = MCPClient._parse_sse_response(sse)
|
||||
assert body["result"] == "second"
|
||||
|
||||
|
||||
# ── MCPClient unit tests ─────────────────────────────────────────────
|
||||
|
||||
|
||||
class TestMCPClient:
|
||||
"""Tests for the MCP HTTP client."""
|
||||
|
||||
def test_build_headers_without_auth(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
headers = client._build_headers()
|
||||
assert "Authorization" not in headers
|
||||
assert headers["Content-Type"] == "application/json"
|
||||
|
||||
def test_build_headers_with_auth(self):
|
||||
client = MCPClient("https://mcp.example.com", auth_token="my-token")
|
||||
headers = client._build_headers()
|
||||
assert headers["Authorization"] == "Bearer my-token"
|
||||
|
||||
def test_build_jsonrpc_request(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
req = client._build_jsonrpc_request("tools/list")
|
||||
assert req["jsonrpc"] == "2.0"
|
||||
assert req["method"] == "tools/list"
|
||||
assert "id" in req
|
||||
assert "params" not in req
|
||||
|
||||
def test_build_jsonrpc_request_with_params(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
req = client._build_jsonrpc_request(
|
||||
"tools/call", {"name": "test", "arguments": {"x": 1}}
|
||||
)
|
||||
assert req["params"] == {"name": "test", "arguments": {"x": 1}}
|
||||
|
||||
def test_request_id_increments(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
req1 = client._build_jsonrpc_request("tools/list")
|
||||
req2 = client._build_jsonrpc_request("tools/list")
|
||||
assert req2["id"] > req1["id"]
|
||||
|
||||
def test_server_url_trailing_slash_stripped(self):
|
||||
client = MCPClient("https://mcp.example.com/mcp/")
|
||||
assert client.server_url == "https://mcp.example.com/mcp"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_send_request_success(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
mock_response = AsyncMock()
|
||||
mock_response.json.return_value = {
|
||||
"jsonrpc": "2.0",
|
||||
"result": {"tools": []},
|
||||
"id": 1,
|
||||
}
|
||||
|
||||
with patch.object(client, "_send_request", return_value={"tools": []}):
|
||||
result = await client._send_request("tools/list")
|
||||
assert result == {"tools": []}
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_send_request_error(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
async def mock_send(*args, **kwargs):
|
||||
raise MCPClientError("MCP server error [-32600]: Invalid Request")
|
||||
|
||||
with patch.object(client, "_send_request", side_effect=mock_send):
|
||||
with pytest.raises(MCPClientError, match="Invalid Request"):
|
||||
await client._send_request("tools/list")
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_list_tools(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
mock_result = {
|
||||
"tools": [
|
||||
{
|
||||
"name": "get_weather",
|
||||
"description": "Get current weather for a city",
|
||||
"inputSchema": {
|
||||
"type": "object",
|
||||
"properties": {"city": {"type": "string"}},
|
||||
"required": ["city"],
|
||||
},
|
||||
},
|
||||
{
|
||||
"name": "search",
|
||||
"description": "Search the web",
|
||||
"inputSchema": {
|
||||
"type": "object",
|
||||
"properties": {"query": {"type": "string"}},
|
||||
"required": ["query"],
|
||||
},
|
||||
},
|
||||
]
|
||||
}
|
||||
|
||||
with patch.object(client, "_send_request", return_value=mock_result):
|
||||
tools = await client.list_tools()
|
||||
|
||||
assert len(tools) == 2
|
||||
assert tools[0].name == "get_weather"
|
||||
assert tools[0].description == "Get current weather for a city"
|
||||
assert tools[0].input_schema["properties"]["city"]["type"] == "string"
|
||||
assert tools[1].name == "search"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_list_tools_empty(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
with patch.object(client, "_send_request", return_value={"tools": []}):
|
||||
tools = await client.list_tools()
|
||||
|
||||
assert tools == []
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_list_tools_none_result(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
with patch.object(client, "_send_request", return_value=None):
|
||||
tools = await client.list_tools()
|
||||
|
||||
assert tools == []
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_success(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
mock_result = {
|
||||
"content": [
|
||||
{"type": "text", "text": json.dumps({"temp": 20, "city": "London"})}
|
||||
],
|
||||
"isError": False,
|
||||
}
|
||||
|
||||
with patch.object(client, "_send_request", return_value=mock_result):
|
||||
result = await client.call_tool("get_weather", {"city": "London"})
|
||||
|
||||
assert not result.is_error
|
||||
assert len(result.content) == 1
|
||||
assert result.content[0]["type"] == "text"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_error(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
mock_result = {
|
||||
"content": [{"type": "text", "text": "City not found"}],
|
||||
"isError": True,
|
||||
}
|
||||
|
||||
with patch.object(client, "_send_request", return_value=mock_result):
|
||||
result = await client.call_tool("get_weather", {"city": "???"})
|
||||
|
||||
assert result.is_error
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_tool_none_result(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
with patch.object(client, "_send_request", return_value=None):
|
||||
result = await client.call_tool("get_weather", {"city": "London"})
|
||||
|
||||
assert result.is_error
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_initialize(self):
|
||||
client = MCPClient("https://mcp.example.com")
|
||||
|
||||
mock_result = {
|
||||
"protocolVersion": "2025-03-26",
|
||||
"capabilities": {"tools": {}},
|
||||
"serverInfo": {"name": "test-server", "version": "1.0.0"},
|
||||
}
|
||||
|
||||
with (
|
||||
patch.object(client, "_send_request", return_value=mock_result) as mock_req,
|
||||
patch.object(client, "_send_notification") as mock_notif,
|
||||
):
|
||||
result = await client.initialize()
|
||||
|
||||
mock_req.assert_called_once()
|
||||
mock_notif.assert_called_once_with("notifications/initialized")
|
||||
assert result["protocolVersion"] == "2025-03-26"
|
||||
|
||||
|
||||
# ── MCPToolBlock unit tests ──────────────────────────────────────────
|
||||
|
||||
MOCK_USER_ID = "test-user-123"
|
||||
|
||||
|
||||
class TestMCPToolBlock:
|
||||
"""Tests for the MCPToolBlock."""
|
||||
|
||||
def test_block_instantiation(self):
|
||||
block = MCPToolBlock()
|
||||
assert block.id == "a0a4b1c2-d3e4-4f56-a7b8-c9d0e1f2a3b4"
|
||||
assert block.name == "MCPToolBlock"
|
||||
|
||||
def test_input_schema_has_required_fields(self):
|
||||
block = MCPToolBlock()
|
||||
schema = block.input_schema.jsonschema()
|
||||
props = schema.get("properties", {})
|
||||
assert "server_url" in props
|
||||
assert "selected_tool" in props
|
||||
assert "tool_arguments" in props
|
||||
assert "credentials" in props
|
||||
|
||||
def test_output_schema(self):
|
||||
block = MCPToolBlock()
|
||||
schema = block.output_schema.jsonschema()
|
||||
props = schema.get("properties", {})
|
||||
assert "result" in props
|
||||
assert "error" in props
|
||||
|
||||
def test_get_input_schema_with_tool_schema(self):
|
||||
tool_schema = {
|
||||
"type": "object",
|
||||
"properties": {"query": {"type": "string"}},
|
||||
"required": ["query"],
|
||||
}
|
||||
data = {"tool_input_schema": tool_schema}
|
||||
result = MCPToolBlock.Input.get_input_schema(data)
|
||||
assert result == tool_schema
|
||||
|
||||
def test_get_input_schema_without_tool_schema(self):
|
||||
result = MCPToolBlock.Input.get_input_schema({})
|
||||
assert result == {}
|
||||
|
||||
def test_get_input_defaults(self):
|
||||
data = {"tool_arguments": {"city": "London"}}
|
||||
result = MCPToolBlock.Input.get_input_defaults(data)
|
||||
assert result == {"city": "London"}
|
||||
|
||||
def test_get_missing_input(self):
|
||||
data = {
|
||||
"tool_input_schema": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"city": {"type": "string"},
|
||||
"units": {"type": "string"},
|
||||
},
|
||||
"required": ["city", "units"],
|
||||
},
|
||||
"tool_arguments": {"city": "London"},
|
||||
}
|
||||
missing = MCPToolBlock.Input.get_missing_input(data)
|
||||
assert missing == {"units"}
|
||||
|
||||
def test_get_missing_input_all_present(self):
|
||||
data = {
|
||||
"tool_input_schema": {
|
||||
"type": "object",
|
||||
"properties": {"city": {"type": "string"}},
|
||||
"required": ["city"],
|
||||
},
|
||||
"tool_arguments": {"city": "London"},
|
||||
}
|
||||
missing = MCPToolBlock.Input.get_missing_input(data)
|
||||
assert missing == set()
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_with_mock(self):
|
||||
"""Test the block using the built-in test infrastructure."""
|
||||
block = MCPToolBlock()
|
||||
await execute_block_test(block)
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_missing_server_url(self):
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="",
|
||||
selected_tool="test",
|
||||
)
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
assert outputs == [("error", "MCP server URL is required")]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_missing_tool(self):
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="https://mcp.example.com/mcp",
|
||||
selected_tool="",
|
||||
)
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
assert outputs == [
|
||||
("error", "No tool selected. Please select a tool from the dropdown.")
|
||||
]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_success(self):
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="https://mcp.example.com/mcp",
|
||||
selected_tool="get_weather",
|
||||
tool_input_schema={
|
||||
"type": "object",
|
||||
"properties": {"city": {"type": "string"}},
|
||||
},
|
||||
tool_arguments={"city": "London"},
|
||||
)
|
||||
|
||||
async def mock_call(*args, **kwargs):
|
||||
return {"temp": 20, "city": "London"}
|
||||
|
||||
block._call_mcp_tool = mock_call # type: ignore
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert len(outputs) == 1
|
||||
assert outputs[0][0] == "result"
|
||||
assert outputs[0][1] == {"temp": 20, "city": "London"}
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_mcp_error(self):
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="https://mcp.example.com/mcp",
|
||||
selected_tool="bad_tool",
|
||||
)
|
||||
|
||||
async def mock_call(*args, **kwargs):
|
||||
raise MCPClientError("Tool not found")
|
||||
|
||||
block._call_mcp_tool = mock_call # type: ignore
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert outputs[0][0] == "error"
|
||||
assert "Tool not found" in outputs[0][1]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_mcp_tool_parses_json_text(self):
|
||||
block = MCPToolBlock()
|
||||
|
||||
mock_result = MCPCallResult(
|
||||
content=[
|
||||
{"type": "text", "text": '{"temp": 20}'},
|
||||
],
|
||||
is_error=False,
|
||||
)
|
||||
|
||||
async def mock_init(self):
|
||||
return {}
|
||||
|
||||
async def mock_call(self, name, args):
|
||||
return mock_result
|
||||
|
||||
with (
|
||||
patch.object(MCPClient, "initialize", mock_init),
|
||||
patch.object(MCPClient, "call_tool", mock_call),
|
||||
):
|
||||
result = await block._call_mcp_tool(
|
||||
"https://mcp.example.com", "test_tool", {}
|
||||
)
|
||||
|
||||
assert result == {"temp": 20}
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_mcp_tool_plain_text(self):
|
||||
block = MCPToolBlock()
|
||||
|
||||
mock_result = MCPCallResult(
|
||||
content=[
|
||||
{"type": "text", "text": "Hello, world!"},
|
||||
],
|
||||
is_error=False,
|
||||
)
|
||||
|
||||
async def mock_init(self):
|
||||
return {}
|
||||
|
||||
async def mock_call(self, name, args):
|
||||
return mock_result
|
||||
|
||||
with (
|
||||
patch.object(MCPClient, "initialize", mock_init),
|
||||
patch.object(MCPClient, "call_tool", mock_call),
|
||||
):
|
||||
result = await block._call_mcp_tool(
|
||||
"https://mcp.example.com", "test_tool", {}
|
||||
)
|
||||
|
||||
assert result == "Hello, world!"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_mcp_tool_multiple_content(self):
|
||||
block = MCPToolBlock()
|
||||
|
||||
mock_result = MCPCallResult(
|
||||
content=[
|
||||
{"type": "text", "text": "Part 1"},
|
||||
{"type": "text", "text": '{"part": 2}'},
|
||||
],
|
||||
is_error=False,
|
||||
)
|
||||
|
||||
async def mock_init(self):
|
||||
return {}
|
||||
|
||||
async def mock_call(self, name, args):
|
||||
return mock_result
|
||||
|
||||
with (
|
||||
patch.object(MCPClient, "initialize", mock_init),
|
||||
patch.object(MCPClient, "call_tool", mock_call),
|
||||
):
|
||||
result = await block._call_mcp_tool(
|
||||
"https://mcp.example.com", "test_tool", {}
|
||||
)
|
||||
|
||||
assert result == ["Part 1", {"part": 2}]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_mcp_tool_error_result(self):
|
||||
block = MCPToolBlock()
|
||||
|
||||
mock_result = MCPCallResult(
|
||||
content=[{"type": "text", "text": "Something went wrong"}],
|
||||
is_error=True,
|
||||
)
|
||||
|
||||
async def mock_init(self):
|
||||
return {}
|
||||
|
||||
async def mock_call(self, name, args):
|
||||
return mock_result
|
||||
|
||||
with (
|
||||
patch.object(MCPClient, "initialize", mock_init),
|
||||
patch.object(MCPClient, "call_tool", mock_call),
|
||||
):
|
||||
with pytest.raises(MCPClientError, match="returned an error"):
|
||||
await block._call_mcp_tool("https://mcp.example.com", "test_tool", {})
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_call_mcp_tool_image_content(self):
|
||||
block = MCPToolBlock()
|
||||
|
||||
mock_result = MCPCallResult(
|
||||
content=[
|
||||
{
|
||||
"type": "image",
|
||||
"data": "base64data==",
|
||||
"mimeType": "image/png",
|
||||
}
|
||||
],
|
||||
is_error=False,
|
||||
)
|
||||
|
||||
async def mock_init(self):
|
||||
return {}
|
||||
|
||||
async def mock_call(self, name, args):
|
||||
return mock_result
|
||||
|
||||
with (
|
||||
patch.object(MCPClient, "initialize", mock_init),
|
||||
patch.object(MCPClient, "call_tool", mock_call),
|
||||
):
|
||||
result = await block._call_mcp_tool(
|
||||
"https://mcp.example.com", "test_tool", {}
|
||||
)
|
||||
|
||||
assert result == {
|
||||
"type": "image",
|
||||
"data": "base64data==",
|
||||
"mimeType": "image/png",
|
||||
}
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_with_credentials(self):
|
||||
"""Verify the block uses OAuth2Credentials and passes auth token."""
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.data.model import OAuth2Credentials
|
||||
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="https://mcp.example.com/mcp",
|
||||
selected_tool="test_tool",
|
||||
)
|
||||
|
||||
captured_tokens: list[str | None] = []
|
||||
|
||||
async def mock_call(server_url, tool_name, arguments, auth_token=None):
|
||||
captured_tokens.append(auth_token)
|
||||
return "ok"
|
||||
|
||||
block._call_mcp_tool = mock_call # type: ignore
|
||||
|
||||
test_creds = OAuth2Credentials(
|
||||
id="cred-123",
|
||||
provider="mcp",
|
||||
access_token=SecretStr("resolved-token"),
|
||||
refresh_token=SecretStr(""),
|
||||
scopes=[],
|
||||
title="Test MCP credential",
|
||||
)
|
||||
|
||||
async for _ in block.run(
|
||||
input_data, user_id=MOCK_USER_ID, credentials=test_creds
|
||||
):
|
||||
pass
|
||||
|
||||
assert captured_tokens == ["resolved-token"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_run_without_credentials(self):
|
||||
"""Verify the block works without credentials (public server)."""
|
||||
block = MCPToolBlock()
|
||||
input_data = MCPToolBlock.Input(
|
||||
server_url="https://mcp.example.com/mcp",
|
||||
selected_tool="test_tool",
|
||||
)
|
||||
|
||||
captured_tokens: list[str | None] = []
|
||||
|
||||
async def mock_call(server_url, tool_name, arguments, auth_token=None):
|
||||
captured_tokens.append(auth_token)
|
||||
return "ok"
|
||||
|
||||
block._call_mcp_tool = mock_call # type: ignore
|
||||
|
||||
outputs = []
|
||||
async for name, data in block.run(input_data, user_id=MOCK_USER_ID):
|
||||
outputs.append((name, data))
|
||||
|
||||
assert captured_tokens == [None]
|
||||
assert outputs == [("result", "ok")]
|
||||
@@ -1,242 +0,0 @@
|
||||
"""
|
||||
Tests for MCP OAuth handler.
|
||||
"""
|
||||
|
||||
from unittest.mock import AsyncMock, MagicMock, patch
|
||||
|
||||
import pytest
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks.mcp.client import MCPClient
|
||||
from backend.blocks.mcp.oauth import MCPOAuthHandler
|
||||
from backend.data.model import OAuth2Credentials
|
||||
|
||||
|
||||
def _mock_response(json_data: dict, status: int = 200) -> MagicMock:
|
||||
"""Create a mock Response with synchronous json() (matching Requests.Response)."""
|
||||
resp = MagicMock()
|
||||
resp.status = status
|
||||
resp.ok = 200 <= status < 300
|
||||
resp.json.return_value = json_data
|
||||
return resp
|
||||
|
||||
|
||||
class TestMCPOAuthHandler:
|
||||
"""Tests for the MCPOAuthHandler."""
|
||||
|
||||
def _make_handler(self, **overrides) -> MCPOAuthHandler:
|
||||
defaults = {
|
||||
"client_id": "test-client-id",
|
||||
"client_secret": "test-client-secret",
|
||||
"redirect_uri": "https://app.example.com/callback",
|
||||
"authorize_url": "https://auth.example.com/authorize",
|
||||
"token_url": "https://auth.example.com/token",
|
||||
}
|
||||
defaults.update(overrides)
|
||||
return MCPOAuthHandler(**defaults)
|
||||
|
||||
def test_get_login_url_basic(self):
|
||||
handler = self._make_handler()
|
||||
url = handler.get_login_url(
|
||||
scopes=["read", "write"],
|
||||
state="random-state-token",
|
||||
code_challenge="S256-challenge-value",
|
||||
)
|
||||
|
||||
assert "https://auth.example.com/authorize?" in url
|
||||
assert "response_type=code" in url
|
||||
assert "client_id=test-client-id" in url
|
||||
assert "state=random-state-token" in url
|
||||
assert "code_challenge=S256-challenge-value" in url
|
||||
assert "code_challenge_method=S256" in url
|
||||
assert "scope=read+write" in url
|
||||
|
||||
def test_get_login_url_with_resource(self):
|
||||
handler = self._make_handler(resource_url="https://mcp.example.com/mcp")
|
||||
url = handler.get_login_url(
|
||||
scopes=[], state="state", code_challenge="challenge"
|
||||
)
|
||||
|
||||
assert "resource=https" in url
|
||||
|
||||
def test_get_login_url_without_pkce(self):
|
||||
handler = self._make_handler()
|
||||
url = handler.get_login_url(scopes=["read"], state="state", code_challenge=None)
|
||||
|
||||
assert "code_challenge" not in url
|
||||
assert "code_challenge_method" not in url
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_exchange_code_for_tokens(self):
|
||||
handler = self._make_handler()
|
||||
|
||||
resp = _mock_response(
|
||||
{
|
||||
"access_token": "new-access-token",
|
||||
"refresh_token": "new-refresh-token",
|
||||
"expires_in": 3600,
|
||||
"token_type": "Bearer",
|
||||
}
|
||||
)
|
||||
|
||||
with patch("backend.blocks.mcp.oauth.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.post = AsyncMock(return_value=resp)
|
||||
|
||||
creds = await handler.exchange_code_for_tokens(
|
||||
code="auth-code",
|
||||
scopes=["read"],
|
||||
code_verifier="pkce-verifier",
|
||||
)
|
||||
|
||||
assert isinstance(creds, OAuth2Credentials)
|
||||
assert creds.access_token.get_secret_value() == "new-access-token"
|
||||
assert creds.refresh_token is not None
|
||||
assert creds.refresh_token.get_secret_value() == "new-refresh-token"
|
||||
assert creds.scopes == ["read"]
|
||||
assert creds.access_token_expires_at is not None
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_refresh_tokens(self):
|
||||
handler = self._make_handler()
|
||||
|
||||
existing_creds = OAuth2Credentials(
|
||||
id="existing-id",
|
||||
provider="mcp",
|
||||
access_token=SecretStr("old-token"),
|
||||
refresh_token=SecretStr("old-refresh"),
|
||||
scopes=["read"],
|
||||
title="test",
|
||||
)
|
||||
|
||||
resp = _mock_response(
|
||||
{
|
||||
"access_token": "refreshed-token",
|
||||
"refresh_token": "new-refresh",
|
||||
"expires_in": 3600,
|
||||
}
|
||||
)
|
||||
|
||||
with patch("backend.blocks.mcp.oauth.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.post = AsyncMock(return_value=resp)
|
||||
|
||||
refreshed = await handler._refresh_tokens(existing_creds)
|
||||
|
||||
assert refreshed.id == "existing-id"
|
||||
assert refreshed.access_token.get_secret_value() == "refreshed-token"
|
||||
assert refreshed.refresh_token is not None
|
||||
assert refreshed.refresh_token.get_secret_value() == "new-refresh"
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_refresh_tokens_no_refresh_token(self):
|
||||
handler = self._make_handler()
|
||||
|
||||
creds = OAuth2Credentials(
|
||||
provider="mcp",
|
||||
access_token=SecretStr("token"),
|
||||
scopes=["read"],
|
||||
title="test",
|
||||
)
|
||||
|
||||
with pytest.raises(ValueError, match="No refresh token"):
|
||||
await handler._refresh_tokens(creds)
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_revoke_tokens_no_url(self):
|
||||
handler = self._make_handler(revoke_url=None)
|
||||
|
||||
creds = OAuth2Credentials(
|
||||
provider="mcp",
|
||||
access_token=SecretStr("token"),
|
||||
scopes=[],
|
||||
title="test",
|
||||
)
|
||||
|
||||
result = await handler.revoke_tokens(creds)
|
||||
assert result is False
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_revoke_tokens_with_url(self):
|
||||
handler = self._make_handler(revoke_url="https://auth.example.com/revoke")
|
||||
|
||||
creds = OAuth2Credentials(
|
||||
provider="mcp",
|
||||
access_token=SecretStr("token"),
|
||||
scopes=[],
|
||||
title="test",
|
||||
)
|
||||
|
||||
resp = _mock_response({}, status=200)
|
||||
|
||||
with patch("backend.blocks.mcp.oauth.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.post = AsyncMock(return_value=resp)
|
||||
|
||||
result = await handler.revoke_tokens(creds)
|
||||
|
||||
assert result is True
|
||||
|
||||
|
||||
class TestMCPClientDiscovery:
|
||||
"""Tests for MCPClient OAuth metadata discovery."""
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_auth_found(self):
|
||||
client = MCPClient("https://mcp.example.com/mcp")
|
||||
|
||||
metadata = {
|
||||
"authorization_servers": ["https://auth.example.com"],
|
||||
"resource": "https://mcp.example.com/mcp",
|
||||
}
|
||||
|
||||
resp = _mock_response(metadata, status=200)
|
||||
|
||||
with patch("backend.blocks.mcp.client.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.get = AsyncMock(return_value=resp)
|
||||
|
||||
result = await client.discover_auth()
|
||||
|
||||
assert result is not None
|
||||
assert result["authorization_servers"] == ["https://auth.example.com"]
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_auth_not_found(self):
|
||||
client = MCPClient("https://mcp.example.com/mcp")
|
||||
|
||||
resp = _mock_response({}, status=404)
|
||||
|
||||
with patch("backend.blocks.mcp.client.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.get = AsyncMock(return_value=resp)
|
||||
|
||||
result = await client.discover_auth()
|
||||
|
||||
assert result is None
|
||||
|
||||
@pytest.mark.asyncio(loop_scope="session")
|
||||
async def test_discover_auth_server_metadata(self):
|
||||
client = MCPClient("https://mcp.example.com/mcp")
|
||||
|
||||
server_metadata = {
|
||||
"issuer": "https://auth.example.com",
|
||||
"authorization_endpoint": "https://auth.example.com/authorize",
|
||||
"token_endpoint": "https://auth.example.com/token",
|
||||
"registration_endpoint": "https://auth.example.com/register",
|
||||
"code_challenge_methods_supported": ["S256"],
|
||||
}
|
||||
|
||||
resp = _mock_response(server_metadata, status=200)
|
||||
|
||||
with patch("backend.blocks.mcp.client.Requests") as MockRequests:
|
||||
instance = MockRequests.return_value
|
||||
instance.get = AsyncMock(return_value=resp)
|
||||
|
||||
result = await client.discover_auth_server_metadata(
|
||||
"https://auth.example.com"
|
||||
)
|
||||
|
||||
assert result is not None
|
||||
assert result["authorization_endpoint"] == "https://auth.example.com/authorize"
|
||||
assert result["token_endpoint"] == "https://auth.example.com/token"
|
||||
@@ -1,162 +0,0 @@
|
||||
"""
|
||||
Minimal MCP server for integration testing.
|
||||
|
||||
Implements the MCP Streamable HTTP transport (JSON-RPC 2.0 over HTTP POST)
|
||||
with a few sample tools. Runs on localhost with a random available port.
|
||||
"""
|
||||
|
||||
import json
|
||||
import logging
|
||||
|
||||
from aiohttp import web
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
# Sample tools this test server exposes
|
||||
TEST_TOOLS = [
|
||||
{
|
||||
"name": "get_weather",
|
||||
"description": "Get current weather for a city",
|
||||
"inputSchema": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"city": {
|
||||
"type": "string",
|
||||
"description": "City name",
|
||||
},
|
||||
},
|
||||
"required": ["city"],
|
||||
},
|
||||
},
|
||||
{
|
||||
"name": "add_numbers",
|
||||
"description": "Add two numbers together",
|
||||
"inputSchema": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"a": {"type": "number", "description": "First number"},
|
||||
"b": {"type": "number", "description": "Second number"},
|
||||
},
|
||||
"required": ["a", "b"],
|
||||
},
|
||||
},
|
||||
{
|
||||
"name": "echo",
|
||||
"description": "Echo back the input message",
|
||||
"inputSchema": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"message": {"type": "string", "description": "Message to echo"},
|
||||
},
|
||||
"required": ["message"],
|
||||
},
|
||||
},
|
||||
]
|
||||
|
||||
|
||||
def _handle_initialize(params: dict) -> dict:
|
||||
return {
|
||||
"protocolVersion": "2025-03-26",
|
||||
"capabilities": {"tools": {"listChanged": False}},
|
||||
"serverInfo": {"name": "test-mcp-server", "version": "1.0.0"},
|
||||
}
|
||||
|
||||
|
||||
def _handle_tools_list(params: dict) -> dict:
|
||||
return {"tools": TEST_TOOLS}
|
||||
|
||||
|
||||
def _handle_tools_call(params: dict) -> dict:
|
||||
tool_name = params.get("name", "")
|
||||
arguments = params.get("arguments", {})
|
||||
|
||||
if tool_name == "get_weather":
|
||||
city = arguments.get("city", "Unknown")
|
||||
return {
|
||||
"content": [
|
||||
{
|
||||
"type": "text",
|
||||
"text": json.dumps(
|
||||
{"city": city, "temperature": 22, "condition": "sunny"}
|
||||
),
|
||||
}
|
||||
],
|
||||
}
|
||||
|
||||
elif tool_name == "add_numbers":
|
||||
a = arguments.get("a", 0)
|
||||
b = arguments.get("b", 0)
|
||||
return {
|
||||
"content": [{"type": "text", "text": json.dumps({"result": a + b})}],
|
||||
}
|
||||
|
||||
elif tool_name == "echo":
|
||||
message = arguments.get("message", "")
|
||||
return {
|
||||
"content": [{"type": "text", "text": message}],
|
||||
}
|
||||
|
||||
else:
|
||||
return {
|
||||
"content": [{"type": "text", "text": f"Unknown tool: {tool_name}"}],
|
||||
"isError": True,
|
||||
}
|
||||
|
||||
|
||||
HANDLERS = {
|
||||
"initialize": _handle_initialize,
|
||||
"tools/list": _handle_tools_list,
|
||||
"tools/call": _handle_tools_call,
|
||||
}
|
||||
|
||||
|
||||
async def handle_mcp_request(request: web.Request) -> web.Response:
|
||||
"""Handle incoming MCP JSON-RPC 2.0 requests."""
|
||||
# Check auth if configured
|
||||
expected_token = request.app.get("auth_token")
|
||||
if expected_token:
|
||||
auth_header = request.headers.get("Authorization", "")
|
||||
if auth_header != f"Bearer {expected_token}":
|
||||
return web.json_response(
|
||||
{
|
||||
"jsonrpc": "2.0",
|
||||
"error": {"code": -32001, "message": "Unauthorized"},
|
||||
"id": None,
|
||||
},
|
||||
status=401,
|
||||
)
|
||||
|
||||
body = await request.json()
|
||||
|
||||
# Handle notifications (no id field) — just acknowledge
|
||||
if "id" not in body:
|
||||
return web.Response(status=202)
|
||||
|
||||
method = body.get("method", "")
|
||||
params = body.get("params", {})
|
||||
request_id = body.get("id")
|
||||
|
||||
handler = HANDLERS.get(method)
|
||||
if not handler:
|
||||
return web.json_response(
|
||||
{
|
||||
"jsonrpc": "2.0",
|
||||
"error": {
|
||||
"code": -32601,
|
||||
"message": f"Method not found: {method}",
|
||||
},
|
||||
"id": request_id,
|
||||
}
|
||||
)
|
||||
|
||||
result = handler(params)
|
||||
return web.json_response({"jsonrpc": "2.0", "result": result, "id": request_id})
|
||||
|
||||
|
||||
def create_test_mcp_app(auth_token: str | None = None) -> web.Application:
|
||||
"""Create an aiohttp app that acts as an MCP server."""
|
||||
app = web.Application()
|
||||
app.router.add_post("/mcp", handle_mcp_request)
|
||||
if auth_token:
|
||||
app["auth_token"] = auth_token
|
||||
return app
|
||||
@@ -3,7 +3,7 @@ from typing import List, Literal
|
||||
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -3,7 +3,7 @@ from typing import Any, Literal, Optional, Union
|
||||
from mem0 import MemoryClient
|
||||
from pydantic import BaseModel, SecretStr
|
||||
|
||||
from backend.blocks._base import Block, BlockOutput, BlockSchemaInput, BlockSchemaOutput
|
||||
from backend.data.block import Block, BlockOutput, BlockSchemaInput, BlockSchemaOutput
|
||||
from backend.data.model import (
|
||||
APIKeyCredentials,
|
||||
CredentialsField,
|
||||
|
||||
@@ -4,7 +4,7 @@ from typing import Any, Dict, List, Optional
|
||||
|
||||
from pydantic import model_validator
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -2,7 +2,7 @@ from __future__ import annotations
|
||||
|
||||
from typing import Any, Dict, List, Optional
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
from __future__ import annotations
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
from __future__ import annotations
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -4,7 +4,7 @@ from typing import List, Optional
|
||||
|
||||
from pydantic import BaseModel
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,15 +1,15 @@
|
||||
from backend.blocks._base import (
|
||||
from backend.blocks.nvidia._auth import (
|
||||
NvidiaCredentials,
|
||||
NvidiaCredentialsField,
|
||||
NvidiaCredentialsInput,
|
||||
)
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
BlockSchemaInput,
|
||||
BlockSchemaOutput,
|
||||
)
|
||||
from backend.blocks.nvidia._auth import (
|
||||
NvidiaCredentials,
|
||||
NvidiaCredentialsField,
|
||||
NvidiaCredentialsInput,
|
||||
)
|
||||
from backend.data.model import SchemaField
|
||||
from backend.util.request import Requests
|
||||
from backend.util.type import MediaFileType
|
||||
|
||||
@@ -6,7 +6,7 @@ from typing import Any, Literal
|
||||
import openai
|
||||
from pydantic import SecretStr
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
import logging
|
||||
from typing import Any, Literal
|
||||
|
||||
from backend.blocks._base import (
|
||||
from backend.data.block import (
|
||||
Block,
|
||||
BlockCategory,
|
||||
BlockOutput,
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user