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fix(google): set default scope for sa impersonation #762

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14 changes: 12 additions & 2 deletions google/google.go
Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,12 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
tok := &oauth2.Token{RefreshToken: f.RefreshToken}
return cfg.TokenSource(ctx, tok), nil
case externalAccountKey:
scopes := params.Scopes
if f.ServiceAccountImpersonationURL != "" {
if len(scopes) == 0 {
scopes = []string{"https://www.googleapis.com/auth/cloud-platform"}
}
}
cfg := &externalaccount.Config{
Audience: f.Audience,
SubjectTokenType: f.SubjectTokenType,
Expand All @@ -203,7 +209,7 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
ClientID: f.ClientID,
CredentialSource: &f.CredentialSource,
QuotaProjectID: f.QuotaProjectID,
Scopes: params.Scopes,
Scopes: scopes,
WorkforcePoolUserProject: f.WorkforcePoolUserProject,
}
return externalaccount.NewTokenSource(ctx, *cfg)
Expand All @@ -229,10 +235,14 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
if err != nil {
return nil, err
}
scopes := params.Scopes
if len(scopes) == 0 {
scopes = []string{"https://www.googleapis.com/auth/cloud-platform"}
}
imp := impersonate.ImpersonateTokenSource{
Ctx: ctx,
URL: f.ServiceAccountImpersonationURL,
Scopes: params.Scopes,
Scopes: scopes,
Ts: ts,
Delegates: f.Delegates,
}
Expand Down