diff options
Diffstat (limited to 'api/emoji.go')
| -rw-r--r-- | api/emoji.go | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/api/emoji.go b/api/emoji.go deleted file mode 100644 index b366530ba..000000000 --- a/api/emoji.go +++ /dev/null @@ -1,228 +0,0 @@ -// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved. -// See License.txt for license information. - -package api - -import ( - "image" - "image/draw" - "image/gif" - "net/http" - "strings" - - "image/color/palette" - - "github.com/disintegration/imaging" - "github.com/gorilla/mux" - "github.com/mattermost/mattermost-server/app" - "github.com/mattermost/mattermost-server/model" -) - -func (api *API) InitEmoji() { - api.BaseRoutes.Emoji.Handle("/list", api.ApiUserRequired(getEmoji)).Methods("GET") - api.BaseRoutes.Emoji.Handle("/create", api.ApiUserRequired(createEmoji)).Methods("POST") - api.BaseRoutes.Emoji.Handle("/delete", api.ApiUserRequired(deleteEmoji)).Methods("POST") - api.BaseRoutes.Emoji.Handle("/{id:[A-Za-z0-9_]+}", api.ApiUserRequiredTrustRequester(getEmojiImage)).Methods("GET") -} - -func getEmoji(c *Context, w http.ResponseWriter, r *http.Request) { - if !*c.App.Config().ServiceSettings.EnableCustomEmoji { - c.Err = model.NewAppError("getEmoji", "api.emoji.disabled.app_error", nil, "", http.StatusNotImplemented) - return - } - - listEmoji, err := c.App.GetEmojiList(0, 100000, "") - if err != nil { - c.Err = err - return - } else { - w.Write([]byte(model.EmojiListToJson(listEmoji))) - } -} - -func createEmoji(c *Context, w http.ResponseWriter, r *http.Request) { - if !*c.App.Config().ServiceSettings.EnableCustomEmoji { - c.Err = model.NewAppError("createEmoji", "api.emoji.disabled.app_error", nil, "", http.StatusNotImplemented) - return - } - - if emojiInterface := c.App.Emoji; emojiInterface != nil && - !emojiInterface.CanUserCreateEmoji(c.Session.Roles, c.Session.TeamMembers) { - c.Err = model.NewAppError("createEmoji", "api.emoji.create.permissions.app_error", nil, "user_id="+c.Session.UserId, http.StatusUnauthorized) - return - } - - if len(*c.App.Config().FileSettings.DriverName) == 0 { - c.Err = model.NewAppError("createEmoji", "api.emoji.storage.app_error", nil, "", http.StatusNotImplemented) - return - } - - if r.ContentLength > app.MaxEmojiFileSize { - c.Err = model.NewAppError("createEmoji", "api.emoji.create.too_large.app_error", nil, "", http.StatusRequestEntityTooLarge) - return - } - - if err := r.ParseMultipartForm(app.MaxEmojiFileSize); err != nil { - c.Err = model.NewAppError("createEmoji", "api.emoji.create.parse.app_error", nil, err.Error(), http.StatusBadRequest) - return - } - - m := r.MultipartForm - props := m.Value - - emoji := model.EmojiFromJson(strings.NewReader(props["emoji"][0])) - if emoji == nil { - c.SetInvalidParam("createEmoji", "emoji") - return - } - - // wipe the emoji id so that existing emojis can't get overwritten - emoji.Id = "" - - // do our best to validate the emoji before committing anything to the DB so that we don't have to clean up - // orphaned files left over when validation fails later on - emoji.PreSave() - if err := emoji.IsValid(); err != nil { - c.Err = err - c.Err.StatusCode = http.StatusBadRequest - return - } - - if emoji.CreatorId != c.Session.UserId { - c.Err = model.NewAppError("createEmoji", "api.emoji.create.other_user.app_error", nil, "", http.StatusUnauthorized) - return - } - - if result := <-c.App.Srv.Store.Emoji().GetByName(emoji.Name); result.Err == nil && result.Data != nil { - c.Err = model.NewAppError("createEmoji", "api.emoji.create.duplicate.app_error", nil, "", http.StatusBadRequest) - return - } - - if imageData := m.File["image"]; len(imageData) == 0 { - c.SetInvalidParam("createEmoji", "image") - return - } else if err := c.App.UploadEmojiImage(emoji.Id, imageData[0]); err != nil { - c.Err = err - return - } - - if result := <-c.App.Srv.Store.Emoji().Save(emoji); result.Err != nil { - c.Err = result.Err - return - } else { - message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_EMOJI_ADDED, "", "", "", nil) - message.Add("emoji", result.Data.(*model.Emoji).ToJson()) - - c.App.Publish(message) - w.Write([]byte(result.Data.(*model.Emoji).ToJson())) - } -} - -func deleteEmoji(c *Context, w http.ResponseWriter, r *http.Request) { - if !*c.App.Config().ServiceSettings.EnableCustomEmoji { - c.Err = model.NewAppError("deleteEmoji", "api.emoji.disabled.app_error", nil, "", http.StatusNotImplemented) - return - } - - if len(*c.App.Config().FileSettings.DriverName) == 0 { - c.Err = model.NewAppError("deleteImage", "api.emoji.storage.app_error", nil, "", http.StatusNotImplemented) - return - } - - props := model.MapFromJson(r.Body) - - id := props["id"] - if len(id) == 0 { - c.SetInvalidParam("deleteEmoji", "id") - return - } - - emoji, err := c.App.GetEmoji(id) - if err != nil { - c.Err = err - return - } - - if c.Session.UserId != emoji.CreatorId && !c.App.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) { - c.Err = model.NewAppError("deleteEmoji", "api.emoji.delete.permissions.app_error", nil, "user_id="+c.Session.UserId, http.StatusUnauthorized) - return - } - - err = c.App.DeleteEmoji(emoji) - if err != nil { - c.Err = err - return - } else { - ReturnStatusOK(w) - } -} - -func getEmojiImage(c *Context, w http.ResponseWriter, r *http.Request) { - if !*c.App.Config().ServiceSettings.EnableCustomEmoji { - c.Err = model.NewAppError("getEmojiImage", "api.emoji.disabled.app_error", nil, "", http.StatusNotImplemented) - return - } - - if len(*c.App.Config().FileSettings.DriverName) == 0 { - c.Err = model.NewAppError("getEmojiImage", "api.emoji.storage.app_error", nil, "", http.StatusNotImplemented) - return - } - - params := mux.Vars(r) - - id := params["id"] - if len(id) == 0 { - c.SetInvalidParam("getEmojiImage", "id") - return - } - - image, imageType, err := c.App.GetEmojiImage(id) - if err != nil { - c.Err = err - return - } - - w.Header().Set("Content-Type", "image/"+imageType) - w.Header().Set("Cache-Control", "max-age=2592000, public") - w.Write(image) -} - -func resizeEmoji(img image.Image, width int, height int) image.Image { - emojiWidth := float64(width) - emojiHeight := float64(height) - - var emoji image.Image - if emojiHeight <= app.MaxEmojiHeight && emojiWidth <= app.MaxEmojiWidth { - emoji = img - } else { - emoji = imaging.Fit(img, app.MaxEmojiWidth, app.MaxEmojiHeight, imaging.Lanczos) - } - return emoji -} - -func resizeEmojiGif(gifImg *gif.GIF) *gif.GIF { - // Create a new RGBA image to hold the incremental frames. - firstFrame := gifImg.Image[0].Bounds() - b := image.Rect(0, 0, firstFrame.Dx(), firstFrame.Dy()) - img := image.NewRGBA(b) - - resizedImage := image.Image(nil) - // Resize each frame. - for index, frame := range gifImg.Image { - bounds := frame.Bounds() - draw.Draw(img, bounds, frame, bounds.Min, draw.Over) - resizedImage = resizeEmoji(img, firstFrame.Dx(), firstFrame.Dy()) - gifImg.Image[index] = imageToPaletted(resizedImage) - } - // Set new gif width and height - gifImg.Config.Width = resizedImage.Bounds().Dx() - gifImg.Config.Height = resizedImage.Bounds().Dy() - return gifImg -} - -func imageToPaletted(img image.Image) *image.Paletted { - b := img.Bounds() - pm := image.NewPaletted(b, palette.Plan9) - draw.FloydSteinberg.Draw(pm, b, img, image.ZP) - return pm -} |