Files
CLIProxyAPI/internal/util/util.go

101 lines
3.0 KiB
Go

// Package util provides utility functions for the CLI Proxy API server.
// It includes helper functions for logging configuration, file system operations,
// and other common utilities used throughout the application.
package util
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
log "github.com/sirupsen/logrus"
)
// SetLogLevel configures the logrus log level based on the configuration.
// It sets the log level to DebugLevel if debug mode is enabled, otherwise to InfoLevel.
func SetLogLevel(cfg *config.Config) {
currentLevel := log.GetLevel()
var newLevel log.Level
if cfg.Debug {
newLevel = log.DebugLevel
} else {
newLevel = log.InfoLevel
}
if currentLevel != newLevel {
log.SetLevel(newLevel)
log.Infof("log level changed from %s to %s (debug=%t)", currentLevel, newLevel, cfg.Debug)
}
}
// ResolveAuthDir normalizes the auth directory path for consistent reuse throughout the app.
// It expands a leading tilde (~) to the user's home directory and returns a cleaned path.
func ResolveAuthDir(authDir string) (string, error) {
if authDir == "" {
return "", nil
}
if strings.HasPrefix(authDir, "~") {
home, err := os.UserHomeDir()
if err != nil {
return "", fmt.Errorf("resolve auth dir: %w", err)
}
remainder := strings.TrimPrefix(authDir, "~")
remainder = strings.TrimLeft(remainder, "/\\")
if remainder == "" {
return filepath.Clean(home), nil
}
normalized := strings.ReplaceAll(remainder, "\\", "/")
return filepath.Clean(filepath.Join(home, filepath.FromSlash(normalized))), nil
}
return filepath.Clean(authDir), nil
}
// CountAuthFiles returns the number of JSON auth files located under the provided directory.
// The function resolves leading tildes to the user's home directory and performs a case-insensitive
// match on the ".json" suffix so that files saved with uppercase extensions are also counted.
func CountAuthFiles(authDir string) int {
dir, err := ResolveAuthDir(authDir)
if err != nil {
log.Debugf("countAuthFiles: failed to resolve auth directory: %v", err)
return 0
}
if dir == "" {
return 0
}
count := 0
walkErr := filepath.WalkDir(dir, func(path string, d fs.DirEntry, err error) error {
if err != nil {
log.Debugf("countAuthFiles: error accessing %s: %v", path, err)
return nil
}
if d.IsDir() {
return nil
}
if strings.HasSuffix(strings.ToLower(d.Name()), ".json") {
count++
}
return nil
})
if walkErr != nil {
log.Debugf("countAuthFiles: walk error: %v", walkErr)
}
return count
}
// WritablePath returns the cleaned WRITABLE_PATH environment variable when it is set.
// It accepts both uppercase and lowercase variants for compatibility with existing conventions.
func WritablePath() string {
for _, key := range []string{"WRITABLE_PATH", "writable_path"} {
if value, ok := os.LookupEnv(key); ok {
trimmed := strings.TrimSpace(value)
if trimmed != "" {
return filepath.Clean(trimmed)
}
}
}
return ""
}