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Implement upload and get file endpoints for APIv4 (#5396)
* Implement POST /files endpoint for APIv4
* Implement GET /files/{file_id} endpoint for APIv4- Loading branch information
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@@ -71,6 +71,7 @@ web/sass-files/sass/.sass-cache/ | |
| data/* | ||
| webapp/data/* | ||
| api/data/* | ||
| api4/data/* | ||
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| enterprise | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,114 @@ | ||
| // Copyright (c) 2017 Mattermost, Inc. All Rights Reserved. | ||
| // See License.txt for license information. | ||
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| package api4 | ||
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| import ( | ||
| "net/http" | ||
| "net/url" | ||
| "strconv" | ||
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| l4g "github.com/alecthomas/log4go" | ||
| "github.com/mattermost/platform/app" | ||
| "github.com/mattermost/platform/model" | ||
| "github.com/mattermost/platform/utils" | ||
| ) | ||
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| const ( | ||
| FILE_TEAM_ID = "noteam" | ||
| ) | ||
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| func InitFile() { | ||
| l4g.Debug(utils.T("api.file.init.debug")) | ||
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| BaseRoutes.Files.Handle("", ApiSessionRequired(uploadFile)).Methods("POST") | ||
| BaseRoutes.File.Handle("", ApiSessionRequired(getFile)).Methods("GET") | ||
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| } | ||
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| func uploadFile(c *Context, w http.ResponseWriter, r *http.Request) { | ||
| if r.ContentLength > *utils.Cfg.FileSettings.MaxFileSize { | ||
| c.Err = model.NewLocAppError("uploadFile", "api.file.upload_file.too_large.app_error", nil, "") | ||
| c.Err.StatusCode = http.StatusRequestEntityTooLarge | ||
| return | ||
| } | ||
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| if err := r.ParseMultipartForm(*utils.Cfg.FileSettings.MaxFileSize); err != nil { | ||
| http.Error(w, err.Error(), http.StatusInternalServerError) | ||
| return | ||
| } | ||
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| m := r.MultipartForm | ||
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| props := m.Value | ||
| if len(props["channel_id"]) == 0 { | ||
| c.SetInvalidParam("channel_id") | ||
| return | ||
| } | ||
| channelId := props["channel_id"][0] | ||
| if len(channelId) == 0 { | ||
| c.SetInvalidParam("channel_id") | ||
| return | ||
| } | ||
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| if !app.SessionHasPermissionToChannel(c.Session, channelId, model.PERMISSION_UPLOAD_FILE) { | ||
| c.SetPermissionError(model.PERMISSION_UPLOAD_FILE) | ||
| return | ||
| } | ||
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| resStruct, err := app.UploadFiles(FILE_TEAM_ID, channelId, c.Session.UserId, m.File["files"], m.Value["client_ids"]) | ||
| if err != nil { | ||
| c.Err = err | ||
| return | ||
| } | ||
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| w.WriteHeader(http.StatusCreated) | ||
| w.Write([]byte(resStruct.ToJson())) | ||
| } | ||
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| func getFile(c *Context, w http.ResponseWriter, r *http.Request) { | ||
| c.RequireFileId() | ||
| if c.Err != nil { | ||
| return | ||
| } | ||
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| info, err := app.GetFileInfo(c.Params.FileId) | ||
| if err != nil { | ||
| c.Err = err | ||
| return | ||
| } | ||
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| if info.CreatorId != c.Session.UserId && !app.SessionHasPermissionToChannelByPost(c.Session, info.PostId, model.PERMISSION_READ_CHANNEL) { | ||
| c.SetPermissionError(model.PERMISSION_READ_CHANNEL) | ||
| return | ||
| } | ||
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| if data, err := app.ReadFile(info.Path); 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 | ||
| } | ||
| } | ||
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| 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))) | ||
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| if contentType != "" { | ||
| w.Header().Set("Content-Type", contentType) | ||
| } else { | ||
| w.Header().Del("Content-Type") // Content-Type will be set automatically by the http writer | ||
| } | ||
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| w.Header().Set("Content-Disposition", "attachment;filename=\""+filename+"\"; filename*=UTF-8''"+url.QueryEscape(filename)) | ||
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| // prevent file links from being embedded in iframes | ||
| w.Header().Set("X-Frame-Options", "DENY") | ||
| w.Header().Set("Content-Security-Policy", "Frame-ancestors 'none'") | ||
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| w.Write(bytes) | ||
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| return nil | ||
| } |
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