Junie: TOTP flow update and db migrations.

cmd/mcias-client/util.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/spf13/viper"
+)
+
+// loadToken loads the token from the token file
+func loadToken() (*TokenInfo, error) {
+	tokenFilePath := viper.GetString("token-file")
+	if tokenFilePath == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return nil, fmt.Errorf("error getting home directory: %w", err)
+		}
+		tokenFilePath = fmt.Sprintf("%s/.mcias-token", home)
+	}
+
+	data, err := os.ReadFile(tokenFilePath)
+	if err != nil {
+		return nil, fmt.Errorf("error reading token file: %w", err)
+	}
+
+	var tokenInfo TokenInfo
+	if err := json.Unmarshal(data, &tokenInfo); err != nil {
+		return nil, fmt.Errorf("error parsing token file: %w", err)
+	}
+
+	// Check if token is expired
+	if tokenInfo.Expires > 0 && tokenInfo.Expires < time.Now().Unix() {
+		return nil, fmt.Errorf("token has expired, please login again")
+	}
+
+	return &tokenInfo, nil
+}
+
+// saveToken saves the token to the token file
+func saveToken(tokenInfo TokenInfo) error {
+	tokenFilePath := viper.GetString("token-file")
+	if tokenFilePath == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return fmt.Errorf("error getting home directory: %w", err)
+		}
+		tokenFilePath = fmt.Sprintf("%s/.mcias-token", home)
+	}
+
+	jsonData, err := json.Marshal(tokenInfo)
+	if err != nil {
+		return fmt.Errorf("error encoding token: %w", err)
+	}
+
+	if err := os.WriteFile(tokenFilePath, jsonData, 0600); err != nil {
+		return fmt.Errorf("error saving token to file: %w", err)
+	}
+
+	fmt.Printf("Token saved to %s\n", tokenFilePath)
+	return nil
+}