Fix style and race condition for history mode

customize.dist/src/less2/include/toolbar-history.less

@@ -1,7 +1,7 @@
 @import (once) "./colortheme.less";
 
 .history_main () {
-    body .cp-toolbar-history {
+    .cp-toolbar-history {
         display: none;
         text-align: center;
         * {

www/common/sframe-common-history.js

@@ -21,6 +21,15 @@ define([
         var createRealtime = function () {
             return ChainPad.create({
                 userName: 'history',
+                validateContent: function (content) {
+                    try {
+                        JSON.parse(content);
+                        return true;
+                    } catch (e) {
+                        console.log('Failed to parse, rejecting patch');
+                        return false;
+                    }
+                },
                 initialState: '',
                 transformFunction: JsonOT.validate,
                 logLevel: 0,
@@ -69,9 +78,9 @@ define([
             config.onLocal();
             config.onRemote();
         };
-        var onReady = function () {
+
         config.setHistory(true);
-        };
+        var onReady = function () { };
 
         var Messages = common.Messages;
         var Cryptpad = common.getCryptpadCommon();

www/common/sframe-common-outer.js

@@ -244,23 +244,22 @@ define([
                         return null;
                     }
                 };
+                var msgs = [];
                 var onMsg = function (msg) {
                     var parsed = parse(msg);
                     if (parsed[0] === 'FULL_HISTORY_END') {
-                        console.log('END');
+                        cb(msgs);
-                        cb();
                         return;
                     }
                     if (parsed[0] !== 'FULL_HISTORY') { return; }
                     if (parsed[1] && parsed[1].validateKey) { // First message
-                        secret.keys.validateKey = parsed[1].validateKey;
                         return;
                     }
                     msg = parsed[1][4];
                     if (msg) {
                         msg = msg.replace(/^cp\|/, '');
                         var decryptedMsg = crypto.decrypt(msg, secret.keys.validateKey);
-                        sframeChan.event('EV_RT_HIST_MESSAGE', decryptedMsg);
+                        msgs.push(decryptedMsg)
                     }
                 };
                 network.on('message', onMsg);

www/common/sframe-common.js

@@ -171,10 +171,14 @@ define([
     };
 
     funcs.getFullHistory = function (realtime, cb) {
-        ctx.sframeChan.on('EV_RT_HIST_MESSAGE', function (content) {
+        ctx.sframeChan.query('Q_GET_FULL_HISTORY', null, function (err, messages) {
-            realtime.message(content);
+            if (err) { return void console.error(err); }
+            if (!Array.isArray(messages)) { return; }
+            messages.forEach(function (m) {
+                realtime.message(m);
+            });
+            cb();
         });
-        ctx.sframeChan.query('Q_GET_FULL_HISTORY', null, cb);
     };
 
     funcs.getPadAttribute = function (key, cb) {