feat: jh auth base64

auth.go

@@ -421,3 +421,58 @@ func authEnvCommand() error {
 
 	return nil
 }
+
+func authBase64Command() error {
+	// Ensure we have a valid token (login if needed, refresh if possible)
+	token, err := ensureValidToken()
+	if err != nil {
+		return fmt.Errorf("failed to ensure valid token: %w", err)
+	}
+
+	// Parse the ID token to get expiration time and claims
+	claims, err := decodeJWT(token.IDToken)
+	if err != nil {
+		return fmt.Errorf("failed to decode ID token: %w", err)
+	}
+
+	// Calculate refresh URL
+	var authServer string
+	if token.Server == "juliahub.com" {
+		authServer = "auth.juliahub.com"
+	} else {
+		authServer = token.Server
+	}
+	refreshURL := fmt.Sprintf("https://%s/dex/token", authServer)
+
+	// Create auth.toml content
+	content := fmt.Sprintf(`expires_at = %d
+id_token = "%s"
+access_token = "%s"
+refresh_token = "%s"
+refresh_url = "%s"
+expires_in = %d
+user_email = "%s"
+expires = %d
+user_name = "%s"
+name = "%s"
+`,
+		claims.ExpiresAt,
+		token.IDToken,
+		token.AccessToken,
+		token.RefreshToken,
+		refreshURL,
+		token.ExpiresIn,
+		token.Email,
+		claims.ExpiresAt,
+		claims.PreferredUsername,
+		token.Name,
+	)
+
+	// Encode to base64
+	encoded := base64.StdEncoding.EncodeToString([]byte(content))
+
+	// Print to stdout
+	fmt.Println(encoded)
+
+	return nil
+}

main.go

@@ -318,6 +318,28 @@ environment variables that can be used by other tools or scripts.`,
 	},
 }
 
+var authBase64Cmd = &cobra.Command{
+	Use:   "base64",
+	Short: "Print base64-encoded auth.toml to stdout",
+	Long: `Create auth.toml content and print it as base64 to stdout.
+
+This command:
+1. Ensures you have a valid authentication token (refreshes if needed)
+2. Generates auth.toml content with all required fields
+3. Encodes the content to base64
+4. Prints the encoded string to stdout
+
+This is useful for passing authentication configuration to other systems
+or tools that expect auth.toml in base64 format.`,
+	Example: "  jh auth base64\n  jh auth base64 > encoded_auth.txt",
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := authBase64Command(); err != nil {
+			fmt.Printf("Failed to generate base64 auth: %v\n", err)
+			os.Exit(1)
+		}
+	},
+}
+
 var jobCmd = &cobra.Command{
 	Use:   "job",
 	Short: "Job management commands",
@@ -991,7 +1013,7 @@ func init() {
 	pullCmd.Flags().StringP("server", "s", "juliahub.com", "JuliaHub server")
 	updateCmd.Flags().Bool("force", false, "Force update even if current version is newer than latest release")
 
-	authCmd.AddCommand(authLoginCmd, authRefreshCmd, authStatusCmd, authEnvCmd)
+	authCmd.AddCommand(authLoginCmd, authRefreshCmd, authStatusCmd, authEnvCmd, authBase64Cmd)
 	jobCmd.AddCommand(jobListCmd, jobStartCmd)
 	datasetCmd.AddCommand(datasetListCmd, datasetDownloadCmd, datasetUploadCmd, datasetStatusCmd)
 	projectCmd.AddCommand(projectListCmd)