sync

internal/auth/filestorage.go

@@ -0,0 +1,59 @@
+package auth
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"github.com/dghubble/oauth1"
+)
+
+// FileStorage implements TokenStorage using a JSON file
+type FileStorage struct {
+	Path string
+}
+
+// NewFileStorage creates a new FileStorage instance
+func NewFileStorage() *FileStorage {
+	// Default to storing token in user's home directory
+	home, _ := os.UserHomeDir()
+	return &FileStorage{
+		Path: filepath.Join(home, ".garminconnect", "token.json"),
+	}
+}
+
+// GetToken retrieves token from file
+func (s *FileStorage) GetToken() (*oauth1.Token, error) {
+	data, err := os.ReadFile(s.Path)
+	if err != nil {
+		return nil, err
+	}
+
+	var token oauth1.Token
+	err = json.Unmarshal(data, &token)
+	if err != nil {
+		return nil, err
+	}
+
+	// Check if token is expired
+	if token.Token == "" || token.TokenSecret == "" {
+		return nil, os.ErrNotExist
+	}
+
+	return &token, nil
+}
+
+// SaveToken saves token to file
+func (s *FileStorage) SaveToken(token *oauth1.Token) error {
+	// Create directory if it doesn't exist
+	dir := filepath.Dir(s.Path)
+	if err := os.MkdirAll(dir, 0700); err != nil {
+		return err
+	}
+
+	data, err := json.MarshalIndent(token, "", "  ")
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(s.Path, data, 0600)
+}