Fix deprecated shared folder in read-only team

www/common/cryptpad-common.js

@@ -1524,7 +1524,6 @@ define([
             var noSharedWorker = false;
             if (localStorage.CryptPad_noWorkers) {
                 noWorker = localStorage.CryptPad_noWorkers === '1';
-                noWorker = true;
                 console.error('WebWorker/SharedWorker state forced to ' + !noWorker);
             }
             Nthen(function (waitFor2) {

www/common/drive-ui.js

@@ -1798,6 +1798,11 @@ define([
             if (!manager.isFile(element)) { return; }
 
             var data = manager.getFileData(element);
+
+            if (!Object.keys(data).length) {
+                return true;
+            }
+
             var href = data.href || data.roHref;
             if (!data) { return void logError("No data for the file", element); }
 
@@ -1958,10 +1963,14 @@ define([
                 if (isTrash) { return; }
                 openFile(root[key]);
             });
+            var invalid;
             if (isFolder) {
-                addFolderData(element, key, $element);
+                invalid = addFolderData(element, key, $element);
             } else {
-                addFileData(element, $element);
+                invalid = addFileData(element, $element);
+            }
+            if (invalid) {
+                return;
             }
             $element.addClass(liClass);
             var droppable = !isTrash && !APP.$content.data('readOnlyFolder');

www/common/proxy-manager.js

@@ -54,9 +54,9 @@ define([
     var deprecateProxy = function (Env, id, channel) {
         if (Env.user.userObject.readOnly) {
             // In a read-only team, we can't deprecate a shared folder
-            if (Env.folders[id]) {
+            // Use a empty object with a deprecated flag...
-                Env.folders[id].proxy = { deprecated: true };
+            var lm = { proxy: { deprecated: true } };
-            }
+            addProxy(Env, id, lm, function () {});
             return void Env.Store.refreshDriveUI();
         }
         if (channel) { Env.unpinPads([channel], function () {}); }

www/teams/inner.js

@@ -61,6 +61,14 @@ define([
                 sframeChan.query('Q_DRIVE_GETOBJECT', {
                     sharedFolder: fId
                 }, waitFor(function (err, newObj) {
+                    if (newObj && newObj.deprecated) {
+                        delete folders[fId];
+                        delete drive.sharedFolders[fId];
+                        if (manager && manager.folders) {
+                            delete manager.folders[fId];
+                        }
+                        return;
+                    }
                     folders[fId] = folders[fId] || {};
                     copyObjectValue(folders[fId], newObj);
                     folders[fId].readOnly = !secret.keys.secondaryKey;