The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 // Equivalent to 0600 permissions; used for saved Sync Recovery Key.

 // This constant can be replaced when the equivalent values are available to

 // chrome JS; see Bug 433295 and Bug 757351.

 const PERMISSIONS_RWUSR = 0x180;

 // Weave should always exist before before this file gets included.

 let gSyncUtils = {

   get bundle() {

     delete this.bundle;

     return this.bundle = Services.strings.createBundle("chrome://browser/locale/syncSetup.properties");

   },

   get fxAccountsEnabled() {

     let service = Components.classes["@mozilla.org/weave/service;1"]

                             .getService(Components.interfaces.nsISupports)

                             .wrappedJSObject;

     return service.fxAccountsEnabled;

   },

   // opens in a new window if we're in a modal prefwindow world, in a new tab otherwise

   _openLink: function (url) {

     let thisDocEl = document.documentElement,

         openerDocEl = window.opener && window.opener.document.documentElement;

     if (thisDocEl.id == "accountSetup" && window.opener &&

         openerDocEl.id == "BrowserPreferences" && !openerDocEl.instantApply)

       openUILinkIn(url, "window");

     else if (thisDocEl.id == "BrowserPreferences" && !thisDocEl.instantApply)

       openUILinkIn(url, "window");

     else if (document.documentElement.id == "change-dialog")

       Services.wm.getMostRecentWindow("navigator:browser")

               .openUILinkIn(url, "tab");

     else

       openUILinkIn(url, "tab");

   },

   changeName: function changeName(input) {

     // Make sure to update to a modified name, e.g., empty-string -> default

     Weave.Service.clientsEngine.localName = input.value;

     input.value = Weave.Service.clientsEngine.localName;

   },

   openChange: function openChange(type, duringSetup) {

     // Just re-show the dialog if it's already open

     let openedDialog = Services.wm.getMostRecentWindow("Sync:" + type);

     if (openedDialog != null) {

       openedDialog.focus();

       return;

     }

     // Open up the change dialog

     let changeXUL = "chrome://browser/content/sync/genericChange.xul";

     let changeOpt = "centerscreen,chrome,resizable=no";

     Services.ww.activeWindow.openDialog(changeXUL, "", changeOpt,

                                         type, duringSetup);

   },

   changePassword: function () {

     if (Weave.Utils.ensureMPUnlocked())

       this.openChange("ChangePassword");

   },

   resetPassphrase: function (duringSetup) {

     if (Weave.Utils.ensureMPUnlocked())

       this.openChange("ResetPassphrase", duringSetup);

   },

   updatePassphrase: function () {

     if (Weave.Utils.ensureMPUnlocked())

       this.openChange("UpdatePassphrase");

   },

   resetPassword: function () {

     this._openLink(Weave.Service.pwResetURL);

   },

   openToS: function () {

     let root = this.fxAccountsEnabled ? "fxa." : "";

     this._openLink(Weave.Svc.Prefs.get(root + "termsURL"));

   },

   openPrivacyPolicy: function () {

     let root = this.fxAccountsEnabled ? "fxa." : "";

     this._openLink(Weave.Svc.Prefs.get(root + "privacyURL"));

   },

   openMPInfoPage: function (event) {

     event.stopPropagation();

     let baseURL = Services.urlFormatter.formatURLPref("app.support.baseURL");

     this._openLink(baseURL + "sync-master-password");

   },

   openFirstSyncProgressPage: function () {

     this._openLink("about:sync-progress");

   },

   /**

    * Prepare an invisible iframe with the passphrase backup document.

    * Used by both the print and saving methods.

    *

    * @param elid : ID of the form element containing the passphrase.

    * @param callback : Function called once the iframe has loaded.

    */

   _preparePPiframe: function(elid, callback) {

     let pp = document.getElementById(elid).value;

     // Create an invisible iframe whose contents we can print.

     let iframe = document.createElement("iframe");

     iframe.setAttribute("src", "chrome://browser/content/sync/key.xhtml");

     iframe.collapsed = true;

     document.documentElement.appendChild(iframe);

     iframe.contentWindow.addEventListener("load", function() {

       iframe.contentWindow.removeEventListener("load", arguments.callee, false);

       // Insert the Sync Key into the page.

       let el = iframe.contentDocument.getElementById("synckey");

       el.firstChild.nodeValue = pp;

       // Insert the TOS and Privacy Policy URLs into the page.

       let termsURL = Weave.Svc.Prefs.get("termsURL");

       el = iframe.contentDocument.getElementById("tosLink");

       el.setAttribute("href", termsURL);

       el.firstChild.nodeValue = termsURL;

       let privacyURL = Weave.Svc.Prefs.get("privacyURL");

       el = iframe.contentDocument.getElementById("ppLink");

       el.setAttribute("href", privacyURL);

       el.firstChild.nodeValue = privacyURL;

       callback(iframe);

     }, false);

   },

   /**

    * Print passphrase backup document.

    * 

    * @param elid : ID of the form element containing the passphrase.

    */

   passphrasePrint: function(elid) {

     this._preparePPiframe(elid, function(iframe) {

       let webBrowserPrint = iframe.contentWindow

                                   .QueryInterface(Ci.nsIInterfaceRequestor)

                                   .getInterface(Ci.nsIWebBrowserPrint);

       let printSettings = PrintUtils.getPrintSettings();

       // Display no header/footer decoration except for the date.

       printSettings.headerStrLeft

         = printSettings.headerStrCenter

         = printSettings.headerStrRight

         = printSettings.footerStrLeft

         = printSettings.footerStrCenter = "";

       printSettings.footerStrRight = "&D";

       try {

         webBrowserPrint.print(printSettings, null);

       } catch (ex) {

         // print()'s return codes are expressed as exceptions. Ignore.

       }

     });

   },

   /**

    * Save passphrase backup document to disk as HTML file.

    * 

    * @param elid : ID of the form element containing the passphrase.

    */

   passphraseSave: function(elid) {

     let dialogTitle = this.bundle.GetStringFromName("save.recoverykey.title");

     let defaultSaveName = this.bundle.GetStringFromName("save.recoverykey.defaultfilename");

     this._preparePPiframe(elid, function(iframe) {

       let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);

       let fpCallback = function fpCallback_done(aResult) {

         if (aResult == Ci.nsIFilePicker.returnOK ||

             aResult == Ci.nsIFilePicker.returnReplace) {

           let stream = Cc["@mozilla.org/network/file-output-stream;1"].

                        createInstance(Ci.nsIFileOutputStream);

           stream.init(fp.file, -1, PERMISSIONS_RWUSR, 0);

           let serializer = new XMLSerializer();

           let output = serializer.serializeToString(iframe.contentDocument);

           output = output.replace(/<!DOCTYPE (.|\n)*?]>/,

             '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ' +

             '"DTD/xhtml1-strict.dtd">');

           output = Weave.Utils.encodeUTF8(output);

           stream.write(output, output.length);

         }

       };

       fp.init(window, dialogTitle, Ci.nsIFilePicker.modeSave);

       fp.appendFilters(Ci.nsIFilePicker.filterHTML);

       fp.defaultString = defaultSaveName;

       fp.open(fpCallback);

       return false;

     });

   },

   /**

    * validatePassword

    *

    * @param el1 : the first textbox element in the form

    * @param el2 : the second textbox element, if omitted it's an update form

    * 

    * returns [valid, errorString]

    */

   validatePassword: function (el1, el2) {

     let valid = false;

     let val1 = el1.value;

     let val2 = el2 ? el2.value : "";

     let error = "";

     if (!el2)

       valid = val1.length >= Weave.MIN_PASS_LENGTH;

     else if (val1 && val1 == Weave.Service.identity.username)

       error = "change.password.pwSameAsUsername";

     else if (val1 && val1 == Weave.Service.identity.account)

       error = "change.password.pwSameAsEmail";

     else if (val1 && val1 == Weave.Service.identity.basicPassword)

       error = "change.password.pwSameAsPassword";

     else if (val1 && val2) {

       if (val1 == val2 && val1.length >= Weave.MIN_PASS_LENGTH)

         valid = true;

       else if (val1.length < Weave.MIN_PASS_LENGTH)

         error = "change.password.tooShort";

       else if (val1 != val2)

         error = "change.password.mismatch";

     }

     let errorString = error ? Weave.Utils.getErrorString(error) : "";

     return [valid, errorString];

   }

 };