Ability to burn an anonymous drive from the browser

www/drive/inner.js

@@ -1826,6 +1826,9 @@ define([
                 .appendTo($toolbar);
             var $hist = common.createButton('history', true, {histConfig: APP.histConfig});
             $rightside.append($hist);
+            if (APP.$burnThisDrive) {
+                $rightside.append(APP.$burnThisDrive);
+            }
             return $toolbar;
         };
 
@@ -2989,10 +2992,12 @@ define([
                 APP.$displayName = APP.$bar.find('.' + Toolbar.constants.username);
 
                 /* add the usage */
-                common.createUsageBar(function (err, $limitContainer) {
-                    if (err) { return void logError(err); }
-                    APP.$limit = $limitContainer;
-                }, true);
+                if (APP.loggedIn) {
+                    common.createUsageBar(function (err, $limitContainer) {
+                        if (err) { return void logError(err); }
+                        APP.$limit = $limitContainer;
+                    }, true);
+                }
 
                 /* add a history button */
                 APP.histConfig = {
@@ -3009,6 +3014,18 @@ define([
                     $toolbar: APP.$bar,
                 };
 
+                // Add a "Burn this drive" button
+                if (!APP.loggedIn) {
+                    APP.$burnThisDrive = common.createButton(null, true).click(function () {
+                        UI.confirm(Messages.fm_burnThisDrive, function (yes) {
+                            if (!yes) { return; }
+                            common.getSframeChannel().event('EV_BURN_ANON_DRIVE');
+                        }, null, true);
+                    }).attr('title', Messages.fm_burnThisDriveButton)
+                      .removeClass('fa-question')
+                      .addClass('fa-ban');
+                }
+
                 metadataMgr.onChange(function () {
                     var name = metadataMgr.getUserData().name || Messages.anonymous;
                     APP.$displayName.text(name);

www/drive/main.js

@@ -43,11 +43,20 @@ define([
                         Utils.LocalStore.getFSHash();
             return Utils.Hash.getSecrets('drive', hash);
         };
+        var addRpc = function (sframeChan, Cryptpad, Utils) {
+            sframeChan.on('EV_BURN_ANON_DRIVE', function () {
+                if (Utils.LocalStore.isLoggedIn()) { return; }
+                Utils.LocalStore.setFSHash('');
+                Utils.LocalStore.clearThumbnail();
+                window.location.reload();
+            });
+        };
         Netflux.connect(NetConfig.getWebsocketURL()).then(function (network) {
             SFCommonO.start({
                 getSecrets: getSecrets,
                 newNetwork: network,
-                noHash: true
+                noHash: true,
+                addRpc: addRpc
             });
         }, function (err) { console.error(err); });
     });