latest

internal/secret/helpers.go

@@ -0,0 +1,54 @@
+package secret
+
+import (
+	"crypto/rand"
+	"fmt"
+	"math/big"
+	"os"
+	"path/filepath"
+)
+
+// generateRandomString generates a random string of the specified length using the given character set
+func generateRandomString(length int, charset string) (string, error) {
+	if length <= 0 {
+		return "", fmt.Errorf("length must be positive")
+	}
+
+	result := make([]byte, length)
+	charsetLen := big.NewInt(int64(len(charset)))
+
+	for i := 0; i < length; i++ {
+		randomIndex, err := rand.Int(rand.Reader, charsetLen)
+		if err != nil {
+			return "", fmt.Errorf("failed to generate random number: %w", err)
+		}
+		result[i] = charset[randomIndex.Int64()]
+	}
+
+	return string(result), nil
+}
+
+// DetermineStateDir determines the state directory based on environment variables and OS
+func DetermineStateDir(customConfigDir string) string {
+	// Check for environment variable first
+	if envStateDir := os.Getenv(EnvStateDir); envStateDir != "" {
+		return envStateDir
+	}
+
+	// Use custom config dir if provided
+	if customConfigDir != "" {
+		return filepath.Join(customConfigDir, AppID)
+	}
+
+	// Use os.UserConfigDir() which handles platform-specific directories:
+	// - On Unix systems, it returns $XDG_CONFIG_HOME or $HOME/.config
+	// - On Darwin, it returns $HOME/Library/Application Support
+	// - On Windows, it returns %AppData%
+	configDir, err := os.UserConfigDir()
+	if err != nil {
+		// Fallback to a reasonable default if we can't determine user config dir
+		homeDir, _ := os.UserHomeDir()
+		return filepath.Join(homeDir, ".config", AppID)
+	}
+	return filepath.Join(configDir, AppID)
+}