Hidden hash for files

www/file/main.js

@@ -9,6 +9,7 @@ define([
     var requireConfig = RequireConfig();
 
     // Loaded in load #2
+    var hash, href;
     nThen(function (waitFor) {
         DomReady.onReady(waitFor());
     }).nThen(function (waitFor) {
@@ -19,6 +20,14 @@ define([
         };
         window.rc = requireConfig;
         window.apiconf = ApiConfig;
+
+        // Hidden hash
+        hash = window.location.hash;
+        href = window.location.href;
+        if (window.history && window.history.replaceState && hash) {
+            window.history.replaceState({}, window.document.title, '#');
+        }
+
         document.getElementById('sbox-iframe').setAttribute('src',
             ApiConfig.httpSafeOrigin + '/file/inner.html?' + requireConfig.urlArgs +
                 '#' + encodeURIComponent(JSON.stringify(req)));
@@ -36,10 +45,12 @@ define([
         };
         window.addEventListener('message', onMsg);
     }).nThen(function (/*waitFor*/) {
-        var addData = function (meta) {
-            meta.filehash = window.location.hash;
+        var addData = function (meta, Cryptpad) {
+            meta.filehash = Cryptpad.currentPad.hash;
         };
         SFCommonO.start({
+            hash: hash,
+            href: href,
             noRealtime: true,
             addData: addData
         });