Add safety measures to avoid removing your drive by accident

www/common/cryptpad-common.js

@@ -254,8 +254,12 @@ define([
     common.clearOwnedChannel = function (channel, cb) {
         postMessage("CLEAR_OWNED_CHANNEL", channel, cb);
     };
-    common.removeOwnedChannel = function (channel, cb) {
-        postMessage("REMOVE_OWNED_CHANNEL", channel, cb);
+    // "force" allows you to delete your drive ID
+    common.removeOwnedChannel = function (channel, cb, force) {
+        postMessage("REMOVE_OWNED_CHANNEL", {
+            channel: channel,
+            force: force
+        }, cb);
     };
 
     common.getDeletedPads = function (data, cb) {
@@ -769,7 +773,7 @@ define([
                     waitFor.abort();
                     return void cb(obj);
                 }
-            }));
+            }), true);
             common.unpinPads([oldChannel], waitFor());
             common.pinPads([newSecret.channel], waitFor());
         }).nThen(function (waitFor) {
@@ -950,7 +954,7 @@ define([
                     common.logoutFromAll(waitFor(function () {
                         postMessage("DISCONNECT");
                     }));
-                }));
+                }), true);
             }
         }).nThen(function (waitFor) {
             if (!oldIsOwned) {

www/common/outer/async-store.js

@@ -34,7 +34,7 @@ define([
         var sendDriveEvent = function () {};
         var registerProxyEvents = function () {};
 
-        var storeHash;
+        var storeHash, storeChannel;
 
         var store = window.CryptPad_AsyncStore = {
             modules: {}
@@ -239,6 +239,20 @@ define([
 
         Store.removeOwnedChannel = function (clientId, data, cb) {
             if (!store.rpc) { return void cb({error: 'RPC_NOT_READY'}); }
+
+            // "data" used to be a string (channelID), now it can also be an object
+            // data.force tells us we can safely remove the drive ID
+            var channel = data;
+            var force = false;
+            if (typeof(data) === "object") {
+                channel = data.channel;
+                force = data.force;
+            }
+
+            if (channel === storeChannel && !force) {
+                return void cb({error: 'User drive removal blocked!'});
+            }
+
             store.rpc.removeOwnedChannel(data, function (err) {
                 cb({error:err});
             });
@@ -786,6 +800,7 @@ define([
             var h = p.hashData;
 
             if (AppConfig.disableAnonymousStore && !store.loggedIn) { return void cb(); }
+            if (p.type === "debug") { return void cb(); }
 
             var channelData = Store.channels && Store.channels[channel];
 
@@ -1915,6 +1930,7 @@ define([
             }
             // No password for drive
             var secret = Hash.getSecrets('drive', hash);
+            storeChannel = secret.channel;
             var listmapConfig = {
                 data: {},
                 websocketURL: NetConfig.getWebsocketURL(),

www/common/sframe-common-outer.js

@@ -838,13 +838,6 @@ define([
                 Cryptpad.setLanguage(data, cb);
             });
 
-            sframeChan.on('Q_CLEAR_OWNED_CHANNEL', function (channel, cb) {
-                Cryptpad.clearOwnedChannel(channel, cb);
-            });
-            sframeChan.on('Q_REMOVE_OWNED_CHANNEL', function (channel, cb) {
-                Cryptpad.removeOwnedChannel(channel, cb);
-            });
-
             sframeChan.on('Q_GET_ALL_TAGS', function (data, cb) {
                 Cryptpad.listAllTags(function (err, tags) {
                     cb({