The Tor Browser: browser/components/preferences/permissions.js@8bccb770b82d (annotated)

browser/components/preferences/permissions.js@8bccb770b82d (annotated)

browser/components/preferences/permissions.js

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* 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/. */
 const nsIPermissionManager = Components.interfaces.nsIPermissionManager;
 const nsICookiePermission = Components.interfaces.nsICookiePermission;
 const NOTIFICATION_FLUSH_PERMISSIONS = "flush-pending-permissions";
 function Permission(host, rawHost, type, capability)
 {
   this.host = host;
   this.rawHost = rawHost;
   this.type = type;
   this.capability = capability;
 }
 var gPermissionManager = {
   _type         : "",
   _permissions  : [],
   _pm           : Components.classes["@mozilla.org/permissionmanager;1"]
                             .getService(Components.interfaces.nsIPermissionManager),
   _bundle       : null,
   _tree         : null,
   _view: {
     _rowCount: 0,
     get rowCount()
     {
       return this._rowCount;
     },
     getCellText: function (aRow, aColumn)
     {
       if (aColumn.id == "siteCol")
         return gPermissionManager._permissions[aRow].rawHost;
       else if (aColumn.id == "statusCol")
         return gPermissionManager._permissions[aRow].capability;
       return "";
     },
     isSeparator: function(aIndex) { return false; },
     isSorted: function() { return false; },
     isContainer: function(aIndex) { return false; },
     setTree: function(aTree){},
     getImageSrc: function(aRow, aColumn) {},
     getProgressMode: function(aRow, aColumn) {},
     getCellValue: function(aRow, aColumn) {},
     cycleHeader: function(column) {},
     getRowProperties: function(row){ return ""; },
     getColumnProperties: function(column){ return ""; },
     getCellProperties: function(row,column){
       if (column.element.getAttribute("id") == "siteCol")
         return "ltr";
       return "";
     }
   },
   _getCapabilityString: function (aCapability)
   {
     var stringKey = null;
     switch (aCapability) {
     case nsIPermissionManager.ALLOW_ACTION:
       stringKey = "can";
       break;
     case nsIPermissionManager.DENY_ACTION:
       stringKey = "cannot";
       break;
     case nsICookiePermission.ACCESS_ALLOW_FIRST_PARTY_ONLY:
       stringKey = "canAccessFirstParty";
       break;
     case nsICookiePermission.ACCESS_SESSION:
       stringKey = "canSession";
       break;
     }
     return this._bundle.getString(stringKey);
   },
   addPermission: function (aCapability)
   {
     var textbox = document.getElementById("url");
     var host = textbox.value.replace(/^\s*([-\w]*:\/+)?/, ""); // trim any leading space and scheme
     try {
       var ioService = Components.classes["@mozilla.org/network/io-service;1"]
                                 .getService(Components.interfaces.nsIIOService);
       var uri = ioService.newURI("http://"+host, null, null);
       host = uri.host;
     } catch(ex) {
       var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                                     .getService(Components.interfaces.nsIPromptService);
       var message = this._bundle.getString("invalidURI");
       var title = this._bundle.getString("invalidURITitle");
       promptService.alert(window, title, message);
       return;
     }
     var capabilityString = this._getCapabilityString(aCapability);
     // check whether the permission already exists, if not, add it
     var exists = false;
     for (var i = 0; i < this._permissions.length; ++i) {
       if (this._permissions[i].rawHost == host) {
         // Avoid calling the permission manager if the capability settings are
         // the same. Otherwise allow the call to the permissions manager to
         // update the listbox for us.
         exists = this._permissions[i].capability == capabilityString;
         break;
       }
     }
     if (!exists) {
       host = (host.charAt(0) == ".") ? host.substring(1,host.length) : host;
       var uri = ioService.newURI("http://" + host, null, null);
       this._pm.add(uri, this._type, aCapability);
     }
     textbox.value = "";
     textbox.focus();
     // covers a case where the site exists already, so the buttons don't disable
     this.onHostInput(textbox);
     // enable "remove all" button as needed
     document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0;
   },
   onHostInput: function (aSiteField)
   {
     document.getElementById("btnSession").disabled = !aSiteField.value;
     document.getElementById("btnBlock").disabled = !aSiteField.value;
     document.getElementById("btnAllow").disabled = !aSiteField.value;
   },
   onWindowKeyPress: function (aEvent)
   {
     if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE)
       window.close();
   },
   onHostKeyPress: function (aEvent)
   {
     if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN)
       document.getElementById("btnAllow").click();
   },
   onLoad: function ()
   {
     this._bundle = document.getElementById("bundlePreferences");
     var params = window.arguments[0];
     this.init(params);
   },
   init: function (aParams)
   {
     if (this._type) {
       // reusing an open dialog, clear the old observer
       this.uninit();
     }
     this._type = aParams.permissionType;
     this._manageCapability = aParams.manageCapability;
     var permissionsText = document.getElementById("permissionsText");
     while (permissionsText.hasChildNodes())
       permissionsText.removeChild(permissionsText.firstChild);
     permissionsText.appendChild(document.createTextNode(aParams.introText));
     document.title = aParams.windowTitle;
     document.getElementById("btnBlock").hidden    = !aParams.blockVisible;
     document.getElementById("btnSession").hidden  = !aParams.sessionVisible;
     document.getElementById("btnAllow").hidden    = !aParams.allowVisible;
     var urlFieldVisible = (aParams.blockVisible || aParams.sessionVisible || aParams.allowVisible);
     var urlField = document.getElementById("url");
     urlField.value = aParams.prefilledHost;
     urlField.hidden = !urlFieldVisible;
     this.onHostInput(urlField);
     var urlLabel = document.getElementById("urlLabel");
     urlLabel.hidden = !urlFieldVisible;
     var os = Components.classes["@mozilla.org/observer-service;1"]
                        .getService(Components.interfaces.nsIObserverService);
     os.notifyObservers(null, NOTIFICATION_FLUSH_PERMISSIONS, this._type);
     os.addObserver(this, "perm-changed", false);
     this._loadPermissions();
     urlField.focus();
   },
   uninit: function ()
   {
     var os = Components.classes["@mozilla.org/observer-service;1"]
                        .getService(Components.interfaces.nsIObserverService);
     os.removeObserver(this, "perm-changed");
   },
   observe: function (aSubject, aTopic, aData)
   {
     if (aTopic == "perm-changed") {
       var permission = aSubject.QueryInterface(Components.interfaces.nsIPermission);
       if (aData == "added") {
         this._addPermissionToList(permission);
         ++this._view._rowCount;
         this._tree.treeBoxObject.rowCountChanged(this._view.rowCount - 1, 1);
         // Re-do the sort, since we inserted this new item at the end.
         gTreeUtils.sort(this._tree, this._view, this._permissions,
                         this._permissionsComparator,
                         this._lastPermissionSortColumn,
                         this._lastPermissionSortAscending);
       }
       else if (aData == "changed") {
         for (var i = 0; i < this._permissions.length; ++i) {
           if (this._permissions[i].host == permission.host) {
             this._permissions[i].capability = this._getCapabilityString(permission.capability);
             break;
           }
         }
         // Re-do the sort, if the status changed from Block to Allow
         // or vice versa, since if we're sorted on status, we may no
         // longer be in order.
         if (this._lastPermissionSortColumn.id == "statusCol") {
           gTreeUtils.sort(this._tree, this._view, this._permissions,
                           this._permissionsComparator,
                           this._lastPermissionSortColumn,
                           this._lastPermissionSortAscending);
         }
         this._tree.treeBoxObject.invalidate();
       }
       // No UI other than this window causes this method to be sent a "deleted"
       // notification, so we don't need to implement it since Delete is handled
       // directly by the Permission Removal handlers. If that ever changes, those
       // implementations will have to move into here.
     }
   },
   onPermissionSelected: function ()
   {
     var hasSelection = this._tree.view.selection.count > 0;
     var hasRows = this._tree.view.rowCount > 0;
     document.getElementById("removePermission").disabled = !hasRows || !hasSelection;
     document.getElementById("removeAllPermissions").disabled = !hasRows;
   },
   onPermissionDeleted: function ()
   {
     if (!this._view.rowCount)
       return;
     var removedPermissions = [];
     gTreeUtils.deleteSelectedItems(this._tree, this._view, this._permissions, removedPermissions);
     for (var i = 0; i < removedPermissions.length; ++i) {
       var p = removedPermissions[i];
       this._pm.remove(p.host, p.type);
     }
     document.getElementById("removePermission").disabled = !this._permissions.length;
     document.getElementById("removeAllPermissions").disabled = !this._permissions.length;
   },
   onAllPermissionsDeleted: function ()
   {
     if (!this._view.rowCount)
       return;
     var removedPermissions = [];
     gTreeUtils.deleteAll(this._tree, this._view, this._permissions, removedPermissions);
     for (var i = 0; i < removedPermissions.length; ++i) {
       var p = removedPermissions[i];
       this._pm.remove(p.host, p.type);
     }
     document.getElementById("removePermission").disabled = true;
     document.getElementById("removeAllPermissions").disabled = true;
   },
   onPermissionKeyPress: function (aEvent)
   {
     if (aEvent.keyCode == 46)
       this.onPermissionDeleted();
   },
   _lastPermissionSortColumn: "",
   _lastPermissionSortAscending: false,
   _permissionsComparator : function (a, b)
   {
     return a.toLowerCase().localeCompare(b.toLowerCase());
   },
   onPermissionSort: function (aColumn)
   {
     this._lastPermissionSortAscending = gTreeUtils.sort(this._tree,
                                                         this._view,
                                                         this._permissions,
                                                         aColumn,
                                                         this._permissionsComparator,
                                                         this._lastPermissionSortColumn,
                                                         this._lastPermissionSortAscending);
     this._lastPermissionSortColumn = aColumn;
   },
   _loadPermissions: function ()
   {
     this._tree = document.getElementById("permissionsTree");
     this._permissions = [];
     // load permissions into a table
     var count = 0;
     var enumerator = this._pm.enumerator;
     while (enumerator.hasMoreElements()) {
       var nextPermission = enumerator.getNext().QueryInterface(Components.interfaces.nsIPermission);
       this._addPermissionToList(nextPermission);
     }
     this._view._rowCount = this._permissions.length;
     // sort and display the table
     this._tree.treeBoxObject.view = this._view;
     this.onPermissionSort("rawHost", false);
     // disable "remove all" button if there are none
     document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0;
   },
   _addPermissionToList: function (aPermission)
   {
     if (aPermission.type == this._type &&
         (!this._manageCapability ||
          (aPermission.capability == this._manageCapability))) {
       var host = aPermission.host;
       var capabilityString = this._getCapabilityString(aPermission.capability);
       var p = new Permission(host,
                              (host.charAt(0) == ".") ? host.substring(1,host.length) : host,
                              aPermission.type,
                              capabilityString);
       this._permissions.push(p);
     }
   },
   setHost: function (aHost)
   {
     document.getElementById("url").value = aHost;
   }
 };
 function setHost(aHost)
 {
   gPermissionManager.setHost(aHost);
 }
 function initWithParams(aParams)
 {
   gPermissionManager.init(aParams);
 }