diff options
Diffstat (limited to 'api4/file.go')
-rw-r--r-- | api4/file.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/api4/file.go b/api4/file.go index 566878156..fa414faa3 100644 --- a/api4/file.go +++ b/api4/file.go @@ -25,6 +25,7 @@ func InitFile() { BaseRoutes.File.Handle("", ApiSessionRequired(getFile)).Methods("GET") BaseRoutes.File.Handle("/thumbnail", ApiSessionRequired(getFileThumbnail)).Methods("GET") BaseRoutes.File.Handle("/link", ApiSessionRequired(getFileLink)).Methods("GET") + BaseRoutes.File.Handle("/preview", ApiSessionRequired(getFilePreview)).Methods("GET") } @@ -161,6 +162,38 @@ func getFileLink(c *Context, w http.ResponseWriter, r *http.Request) { w.Write([]byte(model.MapToJson(resp))) } +func getFilePreview(c *Context, w http.ResponseWriter, r *http.Request) { + c.RequireFileId() + if c.Err != nil { + return + } + + info, err := app.GetFileInfo(c.Params.FileId) + if err != nil { + c.Err = err + return + } + + if info.CreatorId != c.Session.UserId && !app.SessionHasPermissionToChannelByPost(c.Session, info.PostId, model.PERMISSION_READ_CHANNEL) { + c.SetPermissionError(model.PERMISSION_READ_CHANNEL) + return + } + + if info.PreviewPath == "" { + c.Err = model.NewLocAppError("getFilePreview", "api.file.get_file_preview.no_preview.app_error", nil, "file_id="+info.Id) + c.Err.StatusCode = http.StatusBadRequest + return + } + + if data, err := app.ReadFile(info.PreviewPath); err != nil { + c.Err = err + c.Err.StatusCode = http.StatusNotFound + } else if err := writeFileResponse(info.Name, info.MimeType, data, w, r); err != nil { + c.Err = err + return + } +} + func writeFileResponse(filename string, contentType string, bytes []byte, w http.ResponseWriter, r *http.Request) *model.AppError { w.Header().Set("Cache-Control", "max-age=2592000, public") w.Header().Set("Content-Length", strconv.Itoa(len(bytes))) |