Fix all golangci-lint warnings surfaced by v2.4.0 (#4567)

* Initial plan

* Fix all golangci-lint warnings (21 issues resolved)

Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

auth/fediverse/fediverse.go

@@ -68,7 +68,7 @@ func RegisterFediverseOTP(accessToken, userID, userDisplayName, account string)
 	defer lock.Unlock()
 
 	if len(pendingAuthRequests)+1 > maxPendingRequests {
-		return request, false, errors.New("Please try again later. Too many pending requests.")
+		return request, false, errors.New("please try again later, too many pending requests")
 	}
 
 	code, _ := createCode()

core/chat/events/events.go

@@ -100,13 +100,13 @@ func newEmojis(emotes ...emojiDef.Emoji) emojiDef.Emojis {
 	return self
 }
 
-func (self *emojis) Get(shortName string) (*emojiDef.Emoji, bool) {
-	v, ok := self.names[strings.ToLower(shortName)]
+func (e *emojis) Get(shortName string) (*emojiDef.Emoji, bool) {
+	v, ok := e.names[strings.ToLower(shortName)]
 	if ok {
 		return v, ok
 	}
 
-	for _, child := range self.children {
+	for _, child := range e.children {
 		v, ok := child.Get(shortName)
 		if ok {
 			return v, ok
@@ -116,18 +116,18 @@ func (self *emojis) Get(shortName string) (*emojiDef.Emoji, bool) {
 	return nil, false
 }
 
-func (self *emojis) Add(emotes emojiDef.Emojis) {
-	self.children = append(self.children, emotes)
+func (e *emojis) Add(emotes emojiDef.Emojis) {
+	e.children = append(e.children, emotes)
 }
 
-func (self *emojis) Clone() emojiDef.Emojis {
+func (e *emojis) Clone() emojiDef.Emojis {
 	clone := &emojis{
-		list:     self.list,
-		names:    self.names,
-		children: make([]emojiDef.Emojis, len(self.children)),
+		list:     e.list,
+		names:    e.names,
+		children: make([]emojiDef.Emojis, len(e.children)),
 	}
 
-	copy(clone.children, self.children)
+	copy(clone.children, e.children)
 
 	return clone
 }

core/chat/events/fediverseEngagementEvent.go

@@ -22,7 +22,7 @@ func (e *FediverseEngagementEvent) GetBroadcastPayload() EventPayload {
 		"timestamp": e.Timestamp,
 		"body":      e.Body,
 		"image":     e.Image,
-		"type":      e.Event.Type,
+		"type":      e.Type,
 		"title":     e.UserAccountName,
 		"link":      e.Link,
 		"user": EventPayload{
@@ -33,5 +33,5 @@ func (e *FediverseEngagementEvent) GetBroadcastPayload() EventPayload {
 
 // GetMessageType will return the event type for this message.
 func (e *FediverseEngagementEvent) GetMessageType() EventType {
-	return e.Event.Type
+	return e.Type
 }

core/rtmp/rtmp.go

@@ -114,11 +114,7 @@ func HandleConn(c *rtmp.Conn, nc net.Conn) {
 
 	w := flv.NewMuxer(rtmpIn)
 
-	for {
-		if !_hasInboundRTMPConnection {
-			break
-		}
-
+	for _hasInboundRTMPConnection {
 		// If we don't get a readable packet in 10 seconds give up and disconnect
 		if err := _rtmpConnection.SetReadDeadline(time.Now().Add(10 * time.Second)); err != nil {
 			log.Debugln(err)

core/rtmp/utils.go

@@ -20,7 +20,7 @@ var _getInboundDetailsFromMetadataRE = regexp.MustCompile(`\{(.*?)\}`)
 func getInboundDetailsFromMetadata(metadata []interface{}) (models.RTMPStreamMetadata, error) {
 	metadataComponentsString := fmt.Sprintf("%+v", metadata)
 	if !strings.Contains(metadataComponentsString, "onMetaData") {
-		return models.RTMPStreamMetadata{}, errors.New("Not a onMetaData message")
+		return models.RTMPStreamMetadata{}, errors.New("not a onMetaData message")
 	}
 
 	submatchall := _getInboundDetailsFromMetadataRE.FindAllString(metadataComponentsString, 1)

core/storageproviders/s3Storage.go

@@ -203,7 +203,7 @@ func (s *S3Storage) Save(filePath string, retryCount int) (string, error) {
 			return s.Save(filePath, retryCount+1)
 		}
 
-		return "", fmt.Errorf("Giving up uploading %s to object storage %s", filePath, s.s3Endpoint)
+		return "", fmt.Errorf("giving up uploading %s to object storage %s", filePath, s.s3Endpoint)
 	}
 
 	return response.Location, nil

logging/logging.go

@@ -13,16 +13,15 @@ import (
 	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
 	"github.com/owncast/owncast/utils"
 	"github.com/rifflock/lfshook"
-	"github.com/sirupsen/logrus"
-	logger "github.com/sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 )
 
 const maxLogEntries = 500
 
 // OCLogger represents the owncast internal logging.
 type OCLogger struct {
-	Entries  []logrus.Entry
-	Warnings []logrus.Entry
+	Entries  []log.Entry
+	Warnings []log.Entry
 	mu       sync.RWMutex
 }
 
@@ -35,7 +34,7 @@ func Setup(enableDebugOptions bool, enableVerboseLogging bool) {
 	loggingDirectory := filepath.Dir(getLogFilePath())
 	if !utils.DoesFileExists(loggingDirectory) {
 		if err := os.Mkdir(loggingDirectory, 0o700); err != nil {
-			logger.Errorln("unable to create logs directory", loggingDirectory, err)
+			log.Errorln("unable to create logs directory", loggingDirectory, err)
 		}
 	}
 
@@ -49,41 +48,41 @@ func Setup(enableDebugOptions bool, enableVerboseLogging bool) {
 	)
 
 	logMapping := lfshook.WriterMap{
-		logrus.InfoLevel:  writer,
-		logrus.DebugLevel: writer,
-		logrus.TraceLevel: writer,
-		logrus.WarnLevel:  writer,
-		logrus.ErrorLevel: writer,
-		logrus.FatalLevel: writer,
+		log.InfoLevel:  writer,
+		log.DebugLevel: writer,
+		log.TraceLevel: writer,
+		log.WarnLevel:  writer,
+		log.ErrorLevel: writer,
+		log.FatalLevel: writer,
 	}
 
-	logger.AddHook(lfshook.NewHook(
+	log.AddHook(lfshook.NewHook(
 		logMapping,
-		&logger.TextFormatter{},
+		&log.TextFormatter{},
 	))
 
 	if enableVerboseLogging {
-		logrus.SetLevel(logrus.TraceLevel)
+		log.SetLevel(log.TraceLevel)
 	} else {
-		logrus.SetLevel(logrus.InfoLevel)
+		log.SetLevel(log.InfoLevel)
 	}
 
 	// Write to stdout console
-	logger.SetOutput(os.Stdout)
+	log.SetOutput(os.Stdout)
 
 	// Write to our custom logging hook for the log API
 	_logger := new(OCLogger)
-	logger.AddHook(_logger)
+	log.AddHook(_logger)
 
 	if enableDebugOptions {
-		logrus.SetReportCaller(true)
+		log.SetReportCaller(true)
 	}
 
 	Logger = _logger
 }
 
 // Fire runs for every logging request.
-func (l *OCLogger) Fire(e *logger.Entry) error {
+func (l *OCLogger) Fire(e *log.Entry) error {
 	// Store all log messages to return back in the logging API
 	l.mu.Lock()
 	defer l.mu.Unlock()
@@ -94,7 +93,7 @@ func (l *OCLogger) Fire(e *logger.Entry) error {
 	}
 	l.Entries = append(l.Entries, *e)
 
-	if e.Level <= logger.WarnLevel {
+	if e.Level <= log.WarnLevel {
 		if len(l.Warnings) > maxLogEntries {
 			l.Warnings = l.Warnings[1:]
 		}
@@ -105,18 +104,18 @@ func (l *OCLogger) Fire(e *logger.Entry) error {
 }
 
 // Levels specifies what log levels we care about.
-func (l *OCLogger) Levels() []logrus.Level {
-	return logrus.AllLevels
+func (l *OCLogger) Levels() []log.Level {
+	return log.AllLevels
 }
 
 // AllEntries returns all entries that were logged.
-func (l *OCLogger) AllEntries() []*logrus.Entry {
+func (l *OCLogger) AllEntries() []*log.Entry {
 	l.mu.RLock()
 	defer l.mu.RUnlock()
 
 	// Make a copy so the returned value won't race with future log requests
 	logCount := int(math.Min(float64(len(l.Entries)), maxLogEntries))
-	entries := make([]*logrus.Entry, logCount)
+	entries := make([]*log.Entry, logCount)
 	for i := 0; i < len(entries); i++ {
 		// Make a copy, for safety
 		entries[len(entries)-logCount:][i] = &l.Entries[i]
@@ -126,13 +125,13 @@ func (l *OCLogger) AllEntries() []*logrus.Entry {
 }
 
 // WarningEntries returns all warning or greater that were logged.
-func (l *OCLogger) WarningEntries() []*logrus.Entry {
+func (l *OCLogger) WarningEntries() []*log.Entry {
 	l.mu.RLock()
 	defer l.mu.RUnlock()
 
 	// Make a copy so the returned value won't race with future log requests
 	logCount := int(math.Min(float64(len(l.Warnings)), maxLogEntries))
-	entries := make([]*logrus.Entry, logCount)
+	entries := make([]*log.Entry, logCount)
 	for i := 0; i < len(entries); i++ {
 		// Make a copy, for safety
 		entries[len(entries)-logCount:][i] = &l.Warnings[i]

utils/restendpointhelper.go

@@ -11,7 +11,7 @@ import (
 func GetURLParam(r *http.Request, key string) (value string, err error) {
 	value = chi.URLParam(r, key)
 	if value == "" {
-		err = errors.New("Request does not contain requested URL param")
+		err = errors.New("request does not contain requested URL param")
 	}
 	return
 }

utils/utils.go

@@ -78,23 +78,23 @@ func Move(source, destination string) error {
 func moveFallback(source, destination string) error {
 	inputFile, err := os.Open(source) // nolint: gosec
 	if err != nil {
-		return fmt.Errorf("Couldn't open source file: %s", err)
+		return fmt.Errorf("couldn't open source file: %s", err)
 	}
 	outputFile, err := os.Create(destination) // nolint: gosec
 	if err != nil {
 		_ = inputFile.Close()
-		return fmt.Errorf("Couldn't open dest file: %s", err)
+		return fmt.Errorf("couldn't open dest file: %s", err)
 	}
 	defer outputFile.Close()
 	_, err = io.Copy(outputFile, inputFile)
 	_ = inputFile.Close()
 	if err != nil {
-		return fmt.Errorf("Writing to output file failed: %s", err)
+		return fmt.Errorf("writing to output file failed: %s", err)
 	}
 	// The copy was successful, so now delete the original file
 	err = os.Remove(source)
 	if err != nil {
-		return fmt.Errorf("Failed removing original file: %s", err)
+		return fmt.Errorf("failed removing original file: %s", err)
 	}
 	return nil
 }
@@ -438,13 +438,14 @@ func DecodeBase64Image(url string) (bytes []byte, extension string, err error) {
 
 	contentType := strings.Split(splitHeader[1], ";")[0]
 
-	if contentType == "image/svg+xml" {
+	switch contentType {
+	case "image/svg+xml":
 		extension = ".svg"
-	} else if contentType == "image/gif" {
+	case "image/gif":
 		extension = ".gif"
-	} else if contentType == "image/png" {
+	case "image/png":
 		extension = ".png"
-	} else if contentType == "image/jpeg" {
+	case "image/jpeg":
 		extension = ".jpeg"
 	}
 

webserver/handlers/admin/logs.go

@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"github.com/owncast/owncast/logging"
-	"github.com/sirupsen/logrus"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -49,7 +48,7 @@ type logsResponse struct {
 	Level   string    `json:"level"`
 }
 
-func fromEntry(e *logrus.Entry) logsResponse {
+func fromEntry(e *log.Entry) logsResponse {
 	return logsResponse{
 		Message: e.Message,
 		Level:   e.Level.String(),

webserver/handlers/auth/indieauth/server.go

@@ -11,14 +11,15 @@ import (
 
 // HandleAuthEndpoint will handle the IndieAuth auth endpoint.
 func HandleAuthEndpoint(w http.ResponseWriter, r *http.Request) {
-	if r.Method == http.MethodGet {
+	switch r.Method {
+	case http.MethodGet:
 		// Require the GET request for IndieAuth to be behind admin login.
 		f := middleware.RequireAdminAuth(HandleAuthEndpointGet)
 		f(w, r)
 		return
-	} else if r.Method == http.MethodPost {
+	case http.MethodPost:
 		HandleAuthEndpointPost(w, r)
-	} else {
+	default:
 		w.WriteHeader(http.StatusMethodNotAllowed)
 		return
 	}

webserver/router/router.go

@@ -71,13 +71,14 @@ func Start(enableVerboseLogging bool) error {
 	m := http.NewServeMux()
 
 	m.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		if r.URL.Path == "/debug/vars" {
+		switch r.URL.Path {
+		case "/debug/vars":
 			w.WriteHeader(http.StatusNotFound)
 			return
-		} else if r.URL.Path == "/embed/chat/" || r.URL.Path == "/embed/chat" {
+		case "/embed/chat/", "/embed/chat":
 			// Redirect /embed/chat
 			http.Redirect(w, r, "/embed/chat/readonly", http.StatusTemporaryRedirect)
-		} else {
+		default:
 			http2Handler.ServeHTTP(w, r)
 		}
 	})