PLT-2600/PLT-2770 Changed getPublicLink api call to return a proper JSON string (#2914)

* Removed unused channelId and userId parameters from web client getPublicLink method

* Changed getPublicLink api call to return a proper JSON string

api/file.go

@@ -529,7 +529,7 @@ func getPublicLink(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write([]byte(url))
+	w.Write([]byte(model.StringToJson(url)))
 }
 
 func getExport(c *Context, w http.ResponseWriter, r *http.Request) {

model/client.go

@@ -997,15 +997,8 @@ func (c *Client) GetPublicLink(filename string) (*Result, *AppError) {
 	if r, err := c.DoApiPost(c.GetTeamRoute()+"/files/get_public_link", MapToJson(map[string]string{"filename": filename})); err != nil {
 		return nil, err
 	} else {
-		var link string
-		if body, err := ioutil.ReadAll(r.Body); err == nil {
-			link = string(body)
-		} else {
-			// all the other Client methods return an empty string on invalid json, so we can too
-		}
-
 		return &Result{r.Header.Get(HEADER_REQUEST_ID),
-			r.Header.Get(HEADER_ETAG_SERVER), link}, nil
+			r.Header.Get(HEADER_ETAG_SERVER), StringFromJson(r.Body)}, nil
 	}
 }
 

model/utils.go

@@ -178,6 +178,26 @@ func StringInterfaceFromJson(data io.Reader) map[string]interface{} {
 	}
 }
 
+func StringToJson(s string) string {
+	b, err := json.Marshal(s)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func StringFromJson(data io.Reader) string {
+	decoder := json.NewDecoder(data)
+
+	var s string
+	if err := decoder.Decode(&s); err != nil {
+		return ""
+	} else {
+		return s
+	}
+}
+
 func IsLower(s string) bool {
 	if strings.ToLower(s) == s {
 		return true

webapp/action_creators/global_actions.jsx

@@ -281,12 +281,10 @@ export function showGetPostLinkModal(post) {
     });
 }
 
-export function showGetPublicLinkModal(channelId, userId, filename) {
+export function showGetPublicLinkModal(filename) {
     AppDispatcher.handleViewAction({
         type: ActionTypes.TOGGLE_GET_PUBLIC_LINK_MODAL,
         value: true,
-        channelId,
-        userId,
         filename
     });
 }

webapp/client/client.jsx

@@ -1326,10 +1326,8 @@ export default class Client {
             end(this.handleResponse.bind(this, 'getFileInfo', success, error));
     }
 
-    getPublicLink = (channelId, userId, filename, success, error) => {
+    getPublicLink = (filename, success, error) => {
         const data = {
-            channel_id: channelId,
-            user_id: userId,
             filename
         };
 

webapp/components/get_public_link_modal.jsx

@@ -23,8 +23,6 @@ export default class GetPublicLinkModal extends React.Component {
 
         this.state = {
             show: false,
-            channelId: '',
-            userId: '',
             filename: '',
             link: ''
         };
@@ -36,7 +34,7 @@ export default class GetPublicLinkModal extends React.Component {
 
     componentDidUpdate(prevProps, prevState) {
         if (this.state.show && !prevState.show) {
-            AsyncClient.getPublicLink(this.state.channelId, this.state.userId, this.state.filename, this.handlePublicLink);
+            AsyncClient.getPublicLink(this.state.filename, this.handlePublicLink);
         }
     }
 
@@ -53,8 +51,6 @@ export default class GetPublicLinkModal extends React.Component {
     handleToggle(value, args) {
         this.setState({
             show: value,
-            channelId: args.channelId,
-            userId: args.userId,
             filename: args.filename,
             link: ''
         });

webapp/components/view_image.jsx

@@ -197,7 +197,7 @@ class ViewImageModal extends React.Component {
     handleGetPublicLink() {
         this.props.onModalDismissed();
 
-        GlobalActions.showGetPublicLinkModal(this.props.channelId, this.props.userId, this.props.filenames[this.state.imgId]);
+        GlobalActions.showGetPublicLinkModal(this.props.filenames[this.state.imgId]);
     }
 
     onMouseEnterImage() {

webapp/utils/async_client.jsx

@@ -1344,8 +1344,8 @@ export function regenCommandToken(id) {
     );
 }
 
-export function getPublicLink(channelId, userId, filename, success, error) {
+export function getPublicLink(filename, success, error) {
-    const callName = 'getPublicLink' + channelId + userId + filename;
+    const callName = 'getPublicLink' + filename;
 
     if (isCallInProgress(callName)) {
         return;
@@ -1354,8 +1354,6 @@ export function getPublicLink(channelId, userId, filename, success, error) {
     callTracker[callName] = utils.getTimestamp();
 
     Client.getPublicLink(
-        channelId,
-        userId,
         filename,
         (link) => {
             callTracker[callName] = 0;