gogcli/internal/googleapi/client.go
2025-12-12 16:32:07 +00:00

88 lines
2.5 KiB
Go

package googleapi
import (
"context"
"net/http"
"time"
"github.com/99designs/keyring"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
"google.golang.org/api/option"
"github.com/steipete/gogcli/internal/config"
"github.com/steipete/gogcli/internal/googleauth"
"github.com/steipete/gogcli/internal/secrets"
)
const defaultHTTPTimeout = 30 * time.Second
var (
readClientCredentials = config.ReadClientCredentials
openSecretsStore = secrets.OpenDefault
)
func tokenSourceForAccount(ctx context.Context, service googleauth.Service, email string) (oauth2.TokenSource, error) {
creds, err := readClientCredentials()
if err != nil {
return nil, err
}
requiredScopes, err := googleauth.Scopes(service)
if err != nil {
return nil, err
}
return tokenSourceForAccountScopes(ctx, string(service), email, creds.ClientID, creds.ClientSecret, requiredScopes)
}
func tokenSourceForAccountScopes(ctx context.Context, serviceLabel string, email string, clientID string, clientSecret string, requiredScopes []string) (oauth2.TokenSource, error) {
store, err := openSecretsStore()
if err != nil {
return nil, err
}
tok, err := store.GetToken(email)
if err != nil {
if err == keyring.ErrKeyNotFound {
return nil, &AuthRequiredError{Service: serviceLabel, Email: email, Cause: err}
}
return nil, err
}
cfg := oauth2.Config{
ClientID: clientID,
ClientSecret: clientSecret,
Endpoint: google.Endpoint,
Scopes: requiredScopes,
}
// Ensure refresh-token exchanges don't hang forever.
ctx = context.WithValue(ctx, oauth2.HTTPClient, &http.Client{Timeout: defaultHTTPTimeout})
return cfg.TokenSource(ctx, &oauth2.Token{RefreshToken: tok.RefreshToken}), nil
}
func optionsForAccount(ctx context.Context, service googleauth.Service, email string) ([]option.ClientOption, error) {
ts, err := tokenSourceForAccount(ctx, service, email)
if err != nil {
return nil, err
}
c := oauth2.NewClient(ctx, ts)
c.Timeout = defaultHTTPTimeout
return []option.ClientOption{option.WithHTTPClient(c)}, nil
}
func optionsForAccountScopes(ctx context.Context, serviceLabel string, email string, scopes []string) ([]option.ClientOption, error) {
creds, err := readClientCredentials()
if err != nil {
return nil, err
}
ts, err := tokenSourceForAccountScopes(ctx, serviceLabel, email, creds.ClientID, creds.ClientSecret, scopes)
if err != nil {
return nil, err
}
c := oauth2.NewClient(ctx, ts)
c.Timeout = defaultHTTPTimeout
return []option.ClientOption{option.WithHTTPClient(c)}, nil
}