Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 320 insertions, 0 deletions

diff --git a/services/fxaccounts/FxAccountsPush.jsm b/services/fxaccounts/FxAccountsPush.jsm
new file mode 100644
index 0000000000..70a9baf8f4
--- /dev/null
+++ b/services/fxaccounts/FxAccountsPush.jsm
@@ -0,0 +1,320 @@
+/* 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 { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+const { Async } = ChromeUtils.import("resource://services-common/async.js");
+const {
+  FXA_PUSH_SCOPE_ACCOUNT_UPDATE,
+  ONLOGOUT_NOTIFICATION,
+  ON_ACCOUNT_DESTROYED_NOTIFICATION,
+  ON_COLLECTION_CHANGED_NOTIFICATION,
+  ON_COMMAND_RECEIVED_NOTIFICATION,
+  ON_DEVICE_CONNECTED_NOTIFICATION,
+  ON_DEVICE_DISCONNECTED_NOTIFICATION,
+  ON_PASSWORD_CHANGED_NOTIFICATION,
+  ON_PASSWORD_RESET_NOTIFICATION,
+  ON_PROFILE_CHANGE_NOTIFICATION,
+  ON_PROFILE_UPDATED_NOTIFICATION,
+  ON_VERIFY_LOGIN_NOTIFICATION,
+  log,
+} = ChromeUtils.import("resource://gre/modules/FxAccountsCommon.js");
+
+/**
+ * FxAccountsPushService manages Push notifications for Firefox Accounts in the browser
+ *
+ * @param [options]
+ *        Object, custom options that used for testing
+ * @constructor
+ */
+function FxAccountsPushService(options = {}) {
+  this.log = log;
+
+  if (options.log) {
+    // allow custom log for testing purposes
+    this.log = options.log;
+  }
+
+  this.log.debug("FxAccountsPush loading service");
+  this.wrappedJSObject = this;
+  this.initialize(options);
+}
+
+FxAccountsPushService.prototype = {
+  /**
+   * Helps only initialize observers once.
+   */
+  _initialized: false,
+  /**
+   * Instance of the nsIPushService or a mocked object.
+   */
+  pushService: null,
+  /**
+   * Instance of FxAccountsInternal or a mocked object.
+   */
+  fxai: null,
+  /**
+   * Component ID of this service, helps register this component.
+   */
+  classID: Components.ID("{1b7db999-2ecd-4abf-bb95-a726896798ca}"),
+  /**
+   * Register used interfaces in this service
+   */
+  QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+  /**
+   * Initialize the service and register all the required observers.
+   *
+   * @param [options]
+   */
+  initialize(options) {
+    if (this._initialized) {
+      return false;
+    }
+
+    this._initialized = true;
+
+    if (options.pushService) {
+      this.pushService = options.pushService;
+    } else {
+      this.pushService = Cc["@mozilla.org/push/Service;1"].getService(
+        Ci.nsIPushService
+      );
+    }
+
+    if (options.fxai) {
+      this.fxai = options.fxai;
+    } else {
+      let { fxAccounts } = ChromeUtils.import(
+        "resource://gre/modules/FxAccounts.jsm",
+        {}
+      );
+      this.fxai = fxAccounts._internal;
+    }
+
+    this.asyncObserver = Async.asyncObserver(this, this.log);
+    // We use an async observer because a device waking up can
+    // observe multiple "Send Tab received" push notifications at the same time.
+    // The way these notifications are handled is as follows:
+    // Read index from storage, make network request, update the index.
+    // You can imagine what happens when multiple calls race: we load
+    // the same index multiple times and receive the same exact tabs, multiple times.
+    // The async observer will ensure we make these network requests serially.
+    Services.obs.addObserver(this.asyncObserver, this.pushService.pushTopic);
+    Services.obs.addObserver(
+      this.asyncObserver,
+      this.pushService.subscriptionChangeTopic
+    );
+    Services.obs.addObserver(this.asyncObserver, ONLOGOUT_NOTIFICATION);
+
+    this.log.debug("FxAccountsPush initialized");
+    return true;
+  },
+  /**
+   * Registers a new endpoint with the Push Server
+   *
+   * @returns {Promise}
+   *          Promise always resolves with a subscription or a null if failed to subscribe.
+   */
+  registerPushEndpoint() {
+    this.log.trace("FxAccountsPush registerPushEndpoint");
+
+    return new Promise(resolve => {
+      this.pushService.subscribe(
+        FXA_PUSH_SCOPE_ACCOUNT_UPDATE,
+        Services.scriptSecurityManager.getSystemPrincipal(),
+        (result, subscription) => {
+          if (Components.isSuccessCode(result)) {
+            this.log.debug("FxAccountsPush got subscription");
+            resolve(subscription);
+          } else {
+            this.log.warn("FxAccountsPush failed to subscribe", result);
+            resolve(null);
+          }
+        }
+      );
+    });
+  },
+  /**
+   * Async observer interface to listen to push messages, changes and logout.
+   *
+   * @param subject
+   * @param topic
+   * @param data
+   * @returns {Promise}
+   */
+  async observe(subject, topic, data) {
+    try {
+      this.log.trace(
+        `observed topic=${topic}, data=${data}, subject=${subject}`
+      );
+      switch (topic) {
+        case this.pushService.pushTopic:
+          if (data === FXA_PUSH_SCOPE_ACCOUNT_UPDATE) {
+            let message = subject.QueryInterface(Ci.nsIPushMessage);
+            await this._onPushMessage(message);
+          }
+          break;
+        case this.pushService.subscriptionChangeTopic:
+          if (data === FXA_PUSH_SCOPE_ACCOUNT_UPDATE) {
+            await this._onPushSubscriptionChange();
+          }
+          break;
+        case ONLOGOUT_NOTIFICATION:
+          // user signed out, we need to stop polling the Push Server
+          try {
+            await this.unsubscribe();
+          } catch (err) {
+            this.log.error("Error during unsubscribe", err);
+          }
+          break;
+      }
+    } catch (err) {
+      this.log.error(err);
+    }
+  },
+
+  /**
+   * Fired when the Push server sends a notification.
+   *
+   * @private
+   * @returns {Promise}
+   */
+  async _onPushMessage(message) {
+    this.log.trace("FxAccountsPushService _onPushMessage");
+    if (!message.data) {
+      // Use the empty signal to check the verification state of the account right away
+      this.log.debug("empty push message - checking account status");
+      this.fxai.checkVerificationStatus();
+      return;
+    }
+    let payload = message.data.json();
+    this.log.debug(`push command: ${payload.command}`);
+    switch (payload.command) {
+      case ON_COMMAND_RECEIVED_NOTIFICATION:
+        await this.fxai.commands.pollDeviceCommands(payload.data.index);
+        break;
+      case ON_DEVICE_CONNECTED_NOTIFICATION:
+        Services.obs.notifyObservers(
+          null,
+          ON_DEVICE_CONNECTED_NOTIFICATION,
+          payload.data.deviceName
+        );
+        break;
+      case ON_DEVICE_DISCONNECTED_NOTIFICATION:
+        this.fxai._handleDeviceDisconnection(payload.data.id);
+        return;
+      case ON_PROFILE_UPDATED_NOTIFICATION:
+        // We already have a "profile updated" notification sent via WebChannel,
+        // let's just re-use that.
+        Services.obs.notifyObservers(null, ON_PROFILE_CHANGE_NOTIFICATION);
+        return;
+      case ON_PASSWORD_CHANGED_NOTIFICATION:
+      case ON_PASSWORD_RESET_NOTIFICATION:
+        this._onPasswordChanged();
+        return;
+      case ON_ACCOUNT_DESTROYED_NOTIFICATION:
+        this.fxai._handleAccountDestroyed(payload.data.uid);
+        return;
+      case ON_COLLECTION_CHANGED_NOTIFICATION:
+        Services.obs.notifyObservers(
+          null,
+          ON_COLLECTION_CHANGED_NOTIFICATION,
+          payload.data.collections
+        );
+        return;
+      case ON_VERIFY_LOGIN_NOTIFICATION:
+        Services.obs.notifyObservers(
+          null,
+          ON_VERIFY_LOGIN_NOTIFICATION,
+          JSON.stringify(payload.data)
+        );
+        break;
+      default:
+        this.log.warn("FxA Push command unrecognized: " + payload.command);
+    }
+  },
+  /**
+   * Check the FxA session status after a password change/reset event.
+   * If the session is invalid, reset credentials and notify listeners of
+   * ON_ACCOUNT_STATE_CHANGE_NOTIFICATION that the account may have changed
+   *
+   * @returns {Promise}
+   * @private
+   */
+  _onPasswordChanged() {
+    return this.fxai.withCurrentAccountState(async state => {
+      return this.fxai.checkAccountStatus(state);
+    });
+  },
+  /**
+   * Fired when the Push server drops a subscription, or the subscription identifier changes.
+   *
+   * https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIPushService#Receiving_Push_Messages
+   *
+   * @returns {Promise}
+   * @private
+   */
+  _onPushSubscriptionChange() {
+    this.log.trace("FxAccountsPushService _onPushSubscriptionChange");
+    return this.fxai.updateDeviceRegistration();
+  },
+  /**
+   * Unsubscribe from the Push server
+   *
+   * Ref: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIPushService#unsubscribe()
+   *
+   * @returns {Promise}
+   * @private
+   */
+  unsubscribe() {
+    this.log.trace("FxAccountsPushService unsubscribe");
+    return new Promise(resolve => {
+      this.pushService.unsubscribe(
+        FXA_PUSH_SCOPE_ACCOUNT_UPDATE,
+        Services.scriptSecurityManager.getSystemPrincipal(),
+        (result, ok) => {
+          if (Components.isSuccessCode(result)) {
+            if (ok === true) {
+              this.log.debug("FxAccountsPushService unsubscribed");
+            } else {
+              this.log.debug(
+                "FxAccountsPushService had no subscription to unsubscribe"
+              );
+            }
+          } else {
+            this.log.warn(
+              "FxAccountsPushService failed to unsubscribe",
+              result
+            );
+          }
+          return resolve(ok);
+        }
+      );
+    });
+  },
+
+  /**
+   * Get our Push server subscription.
+   *
+   * Ref: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIPushService#getSubscription()
+   *
+   * @returns {Promise}
+   */
+  getSubscription() {
+    return new Promise(resolve => {
+      this.pushService.getSubscription(
+        FXA_PUSH_SCOPE_ACCOUNT_UPDATE,
+        Services.scriptSecurityManager.getSystemPrincipal(),
+        (result, subscription) => {
+          if (!subscription) {
+            this.log.info("FxAccountsPushService no subscription found");
+            return resolve(null);
+          }
+          return resolve(subscription);
+        }
+      );
+    });
+  },
+};
+
+var EXPORTED_SYMBOLS = ["FxAccountsPushService"];