mirror of
https://github.com/googleapis/genai-toolbox.git
synced 2026-02-05 20:54:56 -05:00
f0aef29b0c
1. Added Redis Source and Tool 2. Moved some integration test helpers from tools.go to common.go 3. Make auth integration test want an input variable
105 lines
3.3 KiB
Go
105 lines
3.3 KiB
Go
// Copyright 2025 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 sources
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strings"
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"cloud.google.com/go/cloudsqlconn"
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"golang.org/x/oauth2/google"
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)
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// GetCloudSQLDialOpts retrieve dial options with the right ip type and user agent for cloud sql
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// databases.
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func GetCloudSQLOpts(ipType, userAgent string, useIAM bool) ([]cloudsqlconn.Option, error) {
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opts := []cloudsqlconn.Option{cloudsqlconn.WithUserAgent(userAgent)}
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switch strings.ToLower(ipType) {
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case "private":
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opts = append(opts, cloudsqlconn.WithDefaultDialOptions(cloudsqlconn.WithPrivateIP()))
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case "public":
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opts = append(opts, cloudsqlconn.WithDefaultDialOptions(cloudsqlconn.WithPublicIP()))
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default:
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return nil, fmt.Errorf("invalid ipType %s", ipType)
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}
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if useIAM {
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opts = append(opts, cloudsqlconn.WithIAMAuthN())
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}
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return opts, nil
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}
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// GetIAMPrincipalEmailFromADC finds the email associated with ADC
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func GetIAMPrincipalEmailFromADC(ctx context.Context) (string, error) {
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// Finds ADC and returns an HTTP client associated with it
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client, err := google.DefaultClient(ctx,
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"https://www.googleapis.com/auth/userinfo.email")
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if err != nil {
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return "", fmt.Errorf("failed to call userinfo endpoint: %w", err)
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}
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// Retrieve the email associated with the token
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resp, err := client.Get("https://oauth2.googleapis.com/tokeninfo")
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if err != nil {
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return "", fmt.Errorf("failed to call tokeninfo endpoint: %w", err)
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}
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defer resp.Body.Close()
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", fmt.Errorf("error reading response body %d: %s", resp.StatusCode, string(bodyBytes))
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}
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if resp.StatusCode != http.StatusOK {
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return "", fmt.Errorf("tokeninfo endpoint returned non-OK status %d: %s", resp.StatusCode, string(bodyBytes))
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}
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// Unmarshal response body and get `email`
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var responseJSON map[string]any
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err = json.Unmarshal(bodyBytes, &responseJSON)
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if err != nil {
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return "", fmt.Errorf("error parsing JSON: %v", err)
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}
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emailValue, ok := responseJSON["email"]
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if !ok {
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return "", fmt.Errorf("email not found in response: %v", err)
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}
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// service account email used for IAM should trim the suffix
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email := strings.TrimSuffix(emailValue.(string), ".gserviceaccount.com")
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return email, nil
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}
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func GetIAMAccessToken(ctx context.Context) (string, error) {
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creds, err := google.FindDefaultCredentials(ctx, "https://www.googleapis.com/auth/cloud-platform")
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if err != nil {
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return "", fmt.Errorf("failed to find default credentials (run 'gcloud auth application-default login'?): %w", err)
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}
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token, err := creds.TokenSource.Token() // This gets an oauth2.Token
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if err != nil {
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return "", fmt.Errorf("failed to get token from token source: %w", err)
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}
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if !token.Valid() {
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return "", fmt.Errorf("retrieved token is invalid or expired")
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}
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return token.AccessToken, nil
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}
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