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feat: Enable unauthenticated API calls #167

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feat: Enable unauthenticated API calls #167

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2 changes: 2 additions & 0 deletions cbt.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,8 @@ type tableLike interface {
func getCredentialOpts(opts []option.ClientOption) []option.ClientOption {
if ts := config.TokenSource; ts != nil {
opts = append(opts, option.WithTokenSource(ts))
} else if config.Unauthenticated {
opts = append(opts, option.WithoutAuthentication())
}
if tlsCreds := config.TLSCreds; tlsCreds != nil {
opts = append(opts, option.WithGRPCDialOption(grpc.WithTransportCredentials(tlsCreds)))
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5 changes: 4 additions & 1 deletion cbtconfig.go
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Expand Up @@ -47,6 +47,7 @@ type Config struct {
UserAgent string // optional
AccessToken string // optional
AuthToken string // optional
Unauthenticated bool // optional
Timeout time.Duration // optional
TokenSource oauth2.TokenSource // derived
TLSCreds credentials.TransportCredentials // derived
Expand Down Expand Up @@ -250,6 +251,8 @@ func (c *Config) SetFromGcloud() error {
if c.Creds == "" {
log.Printf("-creds flag unset, will use gcloud credential")
}
} else if c.Creds == "none" {
c.Unauthenticated = true
} else {
os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", c.Creds)
}
Expand Down Expand Up @@ -282,7 +285,7 @@ func (c *Config) SetFromGcloud() error {
c.Project = gcloudConfig.Configuration.Properties.Core.Project
}

if c.AccessToken == "" && c.Creds == "" {
if c.AccessToken == "" && c.Creds == "" && !c.Unauthenticated {
c.TokenSource = oauth2.ReuseTokenSource(
gcloudConfig.Credential.Token(),
&GcloudCmdTokenSource{Command: gcloudCmd, Args: gcloudCmdArgs})
Expand Down