From dfc258f1da72fdff592ae298ce5eb3b0f6b5e9ce Mon Sep 17 00:00:00 2001 From: dec05eba Date: Fri, 14 Aug 2020 16:24:18 +0200 Subject: Add support for uploading files and other media types --- ui/commands.go | 252 +++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 191 insertions(+), 61 deletions(-) (limited to 'ui') diff --git a/ui/commands.go b/ui/commands.go index 6e9d3b7..3636c5b 100644 --- a/ui/commands.go +++ b/ui/commands.go @@ -24,6 +24,7 @@ import ( "io" "io/ioutil" "math" + "net/http" "os" "os/exec" "path/filepath" @@ -181,37 +182,69 @@ func cmdDownload(cmd *Command) { cmd.Room.StartSelecting(SelectDownload, strings.Join(cmd.Args, " ")) } -type VideoInfo struct { +type AVStream struct { + CodecType string `json:"codec_type"` + Width float64 `json:"width"` + Height float64 `json:"height"` +} + +type AVFormat struct { + Duration string `json:"duration"` +} + +type AVMediaInfo struct { + Streams []AVStream `json:"streams"` + Format AVFormat `json:"format"` +} + +type AVInfo struct { width int height int duration int + isVideo bool } -func videoGetInfo(filePath string) (VideoInfo, error) { +func avGetInfo(filePath string) (AVInfo, error) { cmd := exec.Command("ffprobe", "-v", "quiet", "-print_format", "json", "-show_streams", "-show_entries", "format=duration", "--", filePath) var buffer bytes.Buffer cmd.Stdout = &buffer if cmd.Run() != nil { - return VideoInfo{0, 0, 0}, errors.New("Failed to extract video dimensions using ffprobe") + return AVInfo{0, 0, 0, false}, errors.New("Failed to extract video dimensions using ffprobe") } - var jsonData map[string]interface{} + var jsonData AVMediaInfo if err := json.Unmarshal(buffer.Bytes(), &jsonData); err != nil { - return VideoInfo{0, 0, 0}, errors.New("Failed to parse ffprobe response as json") + return AVInfo{0, 0, 0, false}, errors.New("Failed to parse ffprobe response as json") } - // TODO: Check if fields do not exist or a are wrong type??? - format := jsonData["format"].(map[string]interface{}) - durationStr := format["duration"].(string) - duration, err := strconv.ParseFloat(durationStr, 64) + duration, err := strconv.ParseFloat(jsonData.Format.Duration, 64) if err != nil { - return VideoInfo{0, 0, 0}, errors.New("Failed to parse ffprobe response as json (duration is not a string)") + return AVInfo{0, 0, 0, false}, errors.New("Failed to parse ffprobe response as json (duration is not a string)") } - streams := jsonData["streams"].([]interface{}) - firstStream := streams[0].(map[string]interface{}) + videoStreamIndex := -1 + audioStreamIndex := -1 + for i, stream := range jsonData.Streams { + if stream.CodecType == "video" { + if videoStreamIndex == -1 { + videoStreamIndex = i + } + } else if stream.CodecType == "audio" { + if audioStreamIndex == -1 { + audioStreamIndex = i + } + } + } - return VideoInfo{int(firstStream["width"].(float64)), int(firstStream["height"].(float64)), int(duration * 1000)}, nil + if videoStreamIndex != -1 { + videoStream := jsonData.Streams[videoStreamIndex] + // TODO: float64 to int can fail (width, height and duration) + return AVInfo{int(videoStream.Width), int(videoStream.Height), int(duration * 1000), true}, nil + } else if audioStreamIndex != -1 { + return AVInfo{0, 0, int(duration * 1000), false}, nil + } else { + return AVInfo{0, 0, 0, false}, errors.New("Media file is missing video and audio streams") + } } func videoGetThumbnail(filePath string) ([]byte, error) { @@ -224,29 +257,47 @@ func videoGetThumbnail(filePath string) ([]byte, error) { return buffer.Bytes(), nil } -func uploadVideo(cmd *Command, filePath string, fileName string, fileSize int, videoFormat string) { - videoInfo, err := videoGetInfo(filePath) +func uploadAudioVideo(cmd *Command, filePath string, fileName string, fileSize int, contentType string) { + avInfo, err := avGetInfo(filePath) if err != nil { - cmd.Reply("Failed to get video info, error: %v", err) + cmd.Reply("Failed to get audio/video info, error: %v", err) return } - thumbnailData, err := videoGetThumbnail(filePath) - if err != nil { - cmd.Reply("Failed to extract thumbnail for video") - return - } + var fileInfo event.FileInfo + if avInfo.isVideo { + thumbnailData, err := videoGetThumbnail(filePath) + if err != nil { + cmd.Reply("Failed to extract thumbnail for video") + return + } - imageMetadata, _, err := image.DecodeConfig(bytes.NewReader(thumbnailData)) - if err != nil { - cmd.Reply("Failed to decode thumbnail image") - return - } + imageMetadata, _, err := image.DecodeConfig(bytes.NewReader(thumbnailData)) + if err != nil { + cmd.Reply("Failed to decode thumbnail image") + return + } - thumbnailResp, err := cmd.Matrix.Client().UploadBytesWithName(thumbnailData, "image/jpeg", "thumbnail.jpg") - if err != nil { - cmd.Reply("Failed to upload thumbnail: %v", err) - return + thumbnailResp, err := cmd.Matrix.Client().UploadBytesWithName(thumbnailData, "image/jpeg", "thumbnail.jpg") + if err != nil { + cmd.Reply("Failed to upload thumbnail: %v", err) + return + } + + fileInfo = event.FileInfo{ + Duration: avInfo.duration, + Width: avInfo.width, + Height: avInfo.height, + MimeType: contentType, + Size: fileSize, + ThumbnailURL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", thumbnailResp.ContentURI.Homeserver, thumbnailResp.ContentURI.FileID)), + ThumbnailInfo: &event.FileInfo{ + Width: imageMetadata.Width, + Height: imageMetadata.Height, + MimeType: "image/jpeg", + Size: len(thumbnailData), + }, + } } fileData, err := ioutil.ReadFile(filePath) @@ -255,32 +306,32 @@ func uploadVideo(cmd *Command, filePath string, fileName string, fileSize int, v return } - videoMimeType := fmt.Sprintf("video/%s", videoFormat) - resp, err := cmd.Matrix.Client().UploadBytesWithName(fileData, videoMimeType, fileName) + resp, err := cmd.Matrix.Client().UploadBytesWithName(fileData, contentType, fileName) if err != nil { - cmd.Reply("Failed to upload video: %v", err) + cmd.Reply("Failed to upload audio/video: %v", err) return } txnID := cmd.Matrix.Client().TxnID() - content := event.MessageEventContent{ - Body: fileName, - Info: &event.FileInfo{ - Duration: videoInfo.duration, - Width: videoInfo.width, - Height: videoInfo.height, - MimeType: videoMimeType, - Size: fileSize, - ThumbnailURL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", thumbnailResp.ContentURI.Homeserver, thumbnailResp.ContentURI.FileID)), - ThumbnailInfo: &event.FileInfo{ - Width: imageMetadata.Width, - Height: imageMetadata.Height, - MimeType: "image/jpeg", - Size: len(thumbnailData), + var content event.MessageEventContent + if avInfo.isVideo { + content = event.MessageEventContent{ + Body: fileName, + Info: &fileInfo, + MsgType: event.MsgVideo, + URL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", resp.ContentURI.Homeserver, resp.ContentURI.FileID)), + } + } else { + content = event.MessageEventContent{ + Body: fileName, + Info: &event.FileInfo{ + Duration: avInfo.duration, + MimeType: contentType, + Size: fileSize, }, - }, - MsgType: event.MsgVideo, - URL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", resp.ContentURI.Homeserver, resp.ContentURI.FileID)), + MsgType: event.MsgAudio, + URL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", resp.ContentURI.Homeserver, resp.ContentURI.FileID)), + } } _, err = cmd.Matrix.SendEvent(&muksevt.Event{ @@ -296,7 +347,7 @@ func uploadVideo(cmd *Command, filePath string, fileName string, fileSize int, v }) if err != nil { - cmd.Reply("Failed to upload video: %v", err) + cmd.Reply("Failed to upload audio/video: %v", err) return } } @@ -329,7 +380,6 @@ func uploadImage(cmd *Command, filePath string, fileName string) { } txnID := cmd.Matrix.Client().TxnID() - //cmd.Reply("Uploaded image: %v", fmt.Sprintf("mxc://%s/%s", resp.ContentURI.Homeserver, resp.ContentURI.FileID)) content := event.MessageEventContent{ Body: fileName, Info: &event.FileInfo{ @@ -361,10 +411,81 @@ func uploadImage(cmd *Command, filePath string, fileName string) { } } +func uploadFile(cmd *Command, filePath string, fileName string, contentType string) { + fileData, err := ioutil.ReadFile(filePath) + if err != nil { + cmd.Reply("Failed to read file, error: %v", err) + return + } + fileSize := len(fileData) + + resp, err := cmd.Matrix.Client().UploadBytesWithName(fileData, contentType, fileName) + if err != nil { + cmd.Reply("Failed to upload file: %v", err) + return + } + + txnID := cmd.Matrix.Client().TxnID() + content := event.MessageEventContent{ + Body: fileName, + Info: &event.FileInfo{ + MimeType: contentType, + Size: int(fileSize), + }, + MsgType: event.MsgFile, + URL: id.ContentURIString(fmt.Sprintf("mxc://%s/%s", resp.ContentURI.Homeserver, resp.ContentURI.FileID)), + } + + _, err = cmd.Matrix.SendEvent(&muksevt.Event{ + Event: &event.Event{ + Content: event.Content{Parsed: &content}, + ID: id.EventID(txnID), + RoomID: cmd.Room.MxRoom().ID, + Timestamp: time.Now().UnixNano() / 1e6, + Sender: cmd.Matrix.Client().UserID, + Type: event.EventMessage, + Unsigned: event.Unsigned{TransactionID: txnID}, + }, + }) + + if err != nil { + cmd.Reply("Failed to upload file: %v", err) + return + } +} + +func fileGetContentType(filePath string) (string, error) { + file, err := os.Open(filePath) + if err != nil { + return "", err + } + defer file.Close() + + var buffer [512]byte + _, err = file.Read(buffer[0:]) + if err != nil { + return "", err + } + + if len(buffer) >= 3 && (buffer[0] == 0xFF && (buffer[1] == 0xFB || buffer[1] == 0xF3 || buffer[1] == 0xF2)) || string(buffer[0:3]) == "ID3" { + return "audio/mpeg", nil + } + + return http.DetectContentType(buffer[0:]), nil +} + +func isVideoContentType(contentType string) bool { + return contentType == "video/avi" || contentType == "video/mp4" || contentType == "video/webm" +} + +func isAudioContentType(contentType string) bool { + // audio/mpeg is also mp3 + return contentType == "audio/basic" || contentType == "audio/aiff" || contentType == "audio/mpeg" || contentType == "audio/midi" || contentType == "audio/wave" +} + func cmdUpload(cmd *Command) { filePath := cmd.RawArgs fileName := filepath.Base(filePath) - fileExt := filepath.Ext(fileName) // TODO: This is not safe. Instead open the file and get file size blabla? stat, err := os.Stat(filePath) @@ -379,17 +500,26 @@ func cmdUpload(cmd *Command) { return } - var videoFormat string - if fileExt == ".webm" { - videoFormat = "webm" - } else if fileExt == ".mp4" { - videoFormat = "mp4" + contentType, err := fileGetContentType(filePath) + if err != nil { + cmd.Reply("Failed to get content type of %s", filePath) + return } - if videoFormat != "" { - go uploadVideo(cmd, filePath, fileName, int(fileSize), videoFormat) + if isVideoContentType(contentType) || isAudioContentType(contentType) { + go uploadAudioVideo(cmd, filePath, fileName, int(fileSize), contentType) } else { - go uploadImage(cmd, filePath, fileName) + contentType, err := fileGetContentType(filePath) + if err != nil { + cmd.Reply("Failed to get content type of %s", filePath) + return + } + + if contentType == "image/jpeg" || contentType == "image/png" || contentType == "image/gif" || contentType == "image/webp" { + go uploadImage(cmd, filePath, fileName) + } else { + go uploadFile(cmd, filePath, fileName, contentType) + } } } -- cgit v1.2.3