The Tor Browser: dom/contacts/fallback/ContactService.jsm@129ffea94266 (annotated)

dom/contacts/fallback/ContactService.jsm@129ffea94266 (annotated)

dom/contacts/fallback/ContactService.jsm

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* 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/. */
 "use strict";
 const DEBUG = false;
 function debug(s) { dump("-*- Fallback ContactService component: " + s + "\n"); }
 const Cu = Components.utils;
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 this.EXPORTED_SYMBOLS = ["ContactService"];
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/ContactDB.jsm");
 Cu.import("resource://gre/modules/PhoneNumberUtils.jsm");
 XPCOMUtils.defineLazyServiceGetter(this, "ppmm",
                                    "@mozilla.org/parentprocessmessagemanager;1",
                                    "nsIMessageListenerManager");
 /* all exported symbols need to be bound to this on B2G - Bug 961777 */
 let ContactService = this.ContactService = {
   init: function() {
     if (DEBUG) debug("Init");
     this._messages = ["Contacts:Find", "Contacts:GetAll", "Contacts:GetAll:SendNow",
                       "Contacts:Clear", "Contact:Save",
                       "Contact:Remove", "Contacts:RegisterForMessages",
                       "child-process-shutdown", "Contacts:GetRevision",
                       "Contacts:GetCount"];
     this._children = [];
     this._cursors = new Map();
     this._messages.forEach(function(msgName) {
       ppmm.addMessageListener(msgName, this);
     }.bind(this));
     this._db = new ContactDB();
     this._db.init();
     this.configureSubstringMatching();
     Services.obs.addObserver(this, "profile-before-change", false);
     Services.prefs.addObserver("ril.lastKnownSimMcc", this, false);
   },
   observe: function(aSubject, aTopic, aData) {
     if (aTopic === 'profile-before-change') {
       this._messages.forEach(function(msgName) {
         ppmm.removeMessageListener(msgName, this);
       }.bind(this));
       Services.obs.removeObserver(this, "profile-before-change");
       Services.prefs.removeObserver("dom.phonenumber.substringmatching", this);
       ppmm = null;
       this._messages = null;
       if (this._db)
         this._db.close();
       this._db = null;
       this._children = null;
       this._cursors = null;
     } else if (aTopic === 'nsPref:changed' && aData === "ril.lastKnownSimMcc") {
       this.configureSubstringMatching();
     }
   },
   configureSubstringMatching: function() {
     let countryName = PhoneNumberUtils.getCountryName();
     if (Services.prefs.getPrefType("dom.phonenumber.substringmatching." + countryName) == Ci.nsIPrefBranch.PREF_INT) {
       let val = Services.prefs.getIntPref("dom.phonenumber.substringmatching." + countryName);
       if (val) {
         this._db.enableSubstringMatching(val);
         return;
       }
     }
     // if we got here, we dont have a substring setting
     // for this country, so disable substring matching
     this._db.disableSubstringMatching();
   },
   assertPermission: function(aMessage, aPerm) {
     if (!aMessage.target.assertPermission(aPerm)) {
       Cu.reportError("Contacts message " + aMessage.name +
                      " from a content process with no" + aPerm + " privileges.");
       return false;
     }
     return true;
   },
   broadcastMessage: function broadcastMessage(aMsgName, aContent) {
     this._children.forEach(function(msgMgr) {
       msgMgr.sendAsyncMessage(aMsgName, aContent);
     });
   },
   receiveMessage: function(aMessage) {
     if (DEBUG) debug("receiveMessage " + aMessage.name);
     let mm = aMessage.target;
     let msg = aMessage.data;
     switch (aMessage.name) {
       case "Contacts:Find":
         if (!this.assertPermission(aMessage, "contacts-read")) {
           return null;
         }
         let result = [];
         this._db.find(
           function(contacts) {
             for (let i in contacts) {
               result.push(contacts[i]);
             }
             if (DEBUG) debug("result:" + JSON.stringify(result));
             mm.sendAsyncMessage("Contacts:Find:Return:OK", {requestID: msg.requestID, contacts: result});
           }.bind(this),
           function(aErrorMsg) { mm.sendAsyncMessage("Contacts:Find:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg }); }.bind(this),
           msg.options.findOptions);
         break;
       case "Contacts:GetAll":
         if (!this.assertPermission(aMessage, "contacts-read")) {
           return null;
         }
         let cursorList = this._cursors.get(mm);
         if (!cursorList) {
           cursorList = [];
           this._cursors.set(mm, cursorList);
         }
         cursorList.push(msg.cursorId);
         this._db.getAll(
           function(aContacts) {
             try {
               mm.sendAsyncMessage("Contacts:GetAll:Next", {cursorId: msg.cursorId, contacts: aContacts});
               if (aContacts === null) {
                 let cursorList = this._cursors.get(mm);
                 let index = cursorList.indexOf(msg.cursorId);
                 cursorList.splice(index, 1);
               }
             } catch (e) {
               if (DEBUG) debug("Child is dead, DB should stop sending contacts");
               throw e;
             }
           }.bind(this),
           function(aErrorMsg) { mm.sendAsyncMessage("Contacts:GetAll:Return:KO", { requestID: msg.cursorId, errorMsg: aErrorMsg }); },
           msg.findOptions, msg.cursorId);
         break;
       case "Contacts:GetAll:SendNow":
         // sendNow is a no op if there isn't an existing cursor in the DB, so we
         // don't need to assert the permission again.
         this._db.sendNow(msg.cursorId);
         break;
       case "Contact:Save":
         if (msg.options.reason === "create") {
           if (!this.assertPermission(aMessage, "contacts-create")) {
             return null;
           }
         } else {
           if (!this.assertPermission(aMessage, "contacts-write")) {
             return null;
           }
         }
         this._db.saveContact(
           msg.options.contact,
           function() {
             mm.sendAsyncMessage("Contact:Save:Return:OK", { requestID: msg.requestID, contactID: msg.options.contact.id });
             this.broadcastMessage("Contact:Changed", { contactID: msg.options.contact.id, reason: msg.options.reason });
           }.bind(this),
           function(aErrorMsg) { mm.sendAsyncMessage("Contact:Save:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg }); }.bind(this)
         );
         break;
       case "Contact:Remove":
         if (!this.assertPermission(aMessage, "contacts-write")) {
           return null;
         }
         this._db.removeContact(
           msg.options.id,
           function() {
             mm.sendAsyncMessage("Contact:Remove:Return:OK", { requestID: msg.requestID, contactID: msg.options.id });
             this.broadcastMessage("Contact:Changed", { contactID: msg.options.id, reason: "remove" });
           }.bind(this),
           function(aErrorMsg) { mm.sendAsyncMessage("Contact:Remove:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg }); }.bind(this)
         );
         break;
       case "Contacts:Clear":
         if (!this.assertPermission(aMessage, "contacts-write")) {
           return null;
         }
         this._db.clear(
           function() {
             mm.sendAsyncMessage("Contacts:Clear:Return:OK", { requestID: msg.requestID });
             this.broadcastMessage("Contact:Changed", { reason: "remove" });
           }.bind(this),
           function(aErrorMsg) {
             mm.sendAsyncMessage("Contacts:Clear:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg });
           }.bind(this)
         );
         break;
       case "Contacts:GetRevision":
         if (!this.assertPermission(aMessage, "contacts-read")) {
           return null;
         }
         this._db.getRevision(
           function(revision) {
             mm.sendAsyncMessage("Contacts:Revision", {
               requestID: msg.requestID,
               revision: revision
             });
           },
           function(aErrorMsg) {
             mm.sendAsyncMessage("Contacts:GetRevision:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg });
           }.bind(this)
         );
         break;
       case "Contacts:GetCount":
         if (!this.assertPermission(aMessage, "contacts-read")) {
           return null;
         }
         this._db.getCount(
           function(count) {
             mm.sendAsyncMessage("Contacts:Count", {
               requestID: msg.requestID,
               count: count
             });
           },
           function(aErrorMsg) {
             mm.sendAsyncMessage("Contacts:Count:Return:KO", { requestID: msg.requestID, errorMsg: aErrorMsg });
           }.bind(this)
         );
         break;
       case "Contacts:RegisterForMessages":
         if (!aMessage.target.assertPermission("contacts-read")) {
           return null;
         }
         if (DEBUG) debug("Register!");
         if (this._children.indexOf(mm) == -1) {
           this._children.push(mm);
         }
         break;
       case "child-process-shutdown":
         if (DEBUG) debug("Unregister");
         let index = this._children.indexOf(mm);
         if (index != -1) {
           if (DEBUG) debug("Unregister index: " + index);
           this._children.splice(index, 1);
         }
         cursorList = this._cursors.get(mm);
         if (cursorList) {
           for (let id of cursorList) {
             this._db.clearDispatcher(id);
           }
           this._cursors.delete(mm);
         }
         break;
       default:
         if (DEBUG) debug("WRONG MESSAGE NAME: " + aMessage.name);
     }
   }
 }
 ContactService.init();

The Tor Browser / annotate

dom/contacts/fallback/ContactService.jsm@129ffea94266 (annotated)

dom/contacts/fallback/ContactService.jsm