mirror of
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ba8a6f3a3b
gosimple had been deprecated in favor of staticcheck: https://github.com/golangci/golangci-lint/issues/357 Other requirements are all migrated. `std-error-handling` exclusions is included because without that, it will ask to check all error returns from (`Close()`, or `os.Setenv`s, or `fmt.Fprint`s...
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
// Copyright 2024 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google
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import (
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"context"
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"fmt"
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"net/http"
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"github.com/googleapis/genai-toolbox/internal/auth"
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"google.golang.org/api/idtoken"
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)
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const AuthServiceKind string = "google"
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// validate interface
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var _ auth.AuthServiceConfig = Config{}
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// Auth service configuration
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type Config struct {
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Name string `yaml:"name" validate:"required"`
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Kind string `yaml:"kind" validate:"required"`
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ClientID string `yaml:"clientId" validate:"required"`
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}
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// Returns the auth service kind
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func (cfg Config) AuthServiceConfigKind() string {
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return AuthServiceKind
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}
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// Initialize a Google auth service
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func (cfg Config) Initialize() (auth.AuthService, error) {
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a := &AuthService{
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Name: cfg.Name,
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Kind: AuthServiceKind,
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ClientID: cfg.ClientID,
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}
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return a, nil
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}
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var _ auth.AuthService = AuthService{}
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// struct used to store auth service info
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type AuthService struct {
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Name string `yaml:"name"`
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Kind string `yaml:"kind"`
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ClientID string `yaml:"clientId"`
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}
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// Returns the auth service kind
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func (a AuthService) AuthServiceKind() string {
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return AuthServiceKind
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}
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// Returns the name of the auth service
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func (a AuthService) GetName() string {
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return a.Name
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}
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// Verifies Google ID token and return claims
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func (a AuthService) GetClaimsFromHeader(ctx context.Context, h http.Header) (map[string]any, error) {
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if token := h.Get(a.Name + "_token"); token != "" {
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payload, err := idtoken.Validate(ctx, token, a.ClientID)
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if err != nil {
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return nil, fmt.Errorf("Google ID token verification failure: %w", err) //nolint:staticcheck
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}
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return payload.Claims, nil
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}
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return nil, nil
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}
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