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| 1 | +package htpasswd |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "strings" |
| 6 | + |
| 7 | + "github.com/dvjn/sorcerer/internal/config" |
| 8 | + "github.com/go-chi/chi/v5" |
| 9 | + "github.com/rs/zerolog" |
| 10 | + htpasswdlib "github.com/tg123/go-htpasswd" |
| 11 | +) |
| 12 | + |
| 13 | +type HtpasswdAuth struct { |
| 14 | + config *config.HtpasswdConfig |
| 15 | + file *htpasswdlib.File |
| 16 | + logger *zerolog.Logger |
| 17 | +} |
| 18 | + |
| 19 | +func NewHtpasswdAuth(cfg *config.HtpasswdConfig, logger *zerolog.Logger) (*HtpasswdAuth, error) { |
| 20 | + if logger == nil { |
| 21 | + return nil, fmt.Errorf("logger is required") |
| 22 | + } |
| 23 | + |
| 24 | + auth := &HtpasswdAuth{ |
| 25 | + config: cfg, |
| 26 | + logger: logger, |
| 27 | + } |
| 28 | + |
| 29 | + if err := auth.loadHtpasswdFile(); err != nil { |
| 30 | + return nil, fmt.Errorf("failed to load htpasswd data: %w", err) |
| 31 | + } |
| 32 | + |
| 33 | + // Log successful initialization |
| 34 | + auth.logger.Info(). |
| 35 | + Str("auth_type", "htpasswd"). |
| 36 | + Msg("htpasswd authentication initialized") |
| 37 | + |
| 38 | + return auth, nil |
| 39 | +} |
| 40 | + |
| 41 | +func (a *HtpasswdAuth) Router() *chi.Mux { |
| 42 | + r := chi.NewRouter() |
| 43 | + return r |
| 44 | +} |
| 45 | + |
| 46 | +func (a *HtpasswdAuth) loadHtpasswdFile() error { |
| 47 | + if a.config.Contents != "" { |
| 48 | + a.logger.Info(). |
| 49 | + Str("source", "inline"). |
| 50 | + Msg("loading htpasswd from inline contents") |
| 51 | + r := strings.NewReader(a.config.Contents) |
| 52 | + file, err := htpasswdlib.NewFromReader(r, htpasswdlib.DefaultSystems, nil) |
| 53 | + if err != nil { |
| 54 | + return fmt.Errorf("failed to parse htpasswd content: %w", err) |
| 55 | + } |
| 56 | + a.file = file |
| 57 | + return nil |
| 58 | + } |
| 59 | + |
| 60 | + if a.config.File != "" { |
| 61 | + a.logger.Info(). |
| 62 | + Str("source", "file"). |
| 63 | + Str("file", a.config.File). |
| 64 | + Msg("loading htpasswd from file") |
| 65 | + |
| 66 | + // Load using the library |
| 67 | + file, err := htpasswdlib.New(a.config.File, htpasswdlib.DefaultSystems, nil) |
| 68 | + if err != nil { |
| 69 | + return fmt.Errorf("failed to load htpasswd file %s: %w", a.config.File, err) |
| 70 | + } |
| 71 | + |
| 72 | + a.file = file |
| 73 | + return nil |
| 74 | + } |
| 75 | + |
| 76 | + return fmt.Errorf("neither file nor contents provided for htpasswd auth") |
| 77 | +} |
| 78 | + |
| 79 | +// Match checks if username and password are valid |
| 80 | +func (a *HtpasswdAuth) Match(username, password string) bool { |
| 81 | + if a.file == nil { |
| 82 | + return false |
| 83 | + } |
| 84 | + return a.file.Match(username, password) |
| 85 | +} |
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