Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 124 insertions, 0 deletions

diff --git a/browser/components/preferences/fxaPairDevice.js b/browser/components/preferences/fxaPairDevice.js
new file mode 100644
index 0000000000..42fad9f8e3
--- /dev/null
+++ b/browser/components/preferences/fxaPairDevice.js
@@ -0,0 +1,124 @@
+// 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 { XPCOMUtils } = ChromeUtils.import(
+  "resource://gre/modules/XPCOMUtils.jsm"
+);
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+const { FxAccounts } = ChromeUtils.import(
+  "resource://gre/modules/FxAccounts.jsm"
+);
+const { Weave } = ChromeUtils.import("resource://services-sync/main.js");
+
+XPCOMUtils.defineLazyModuleGetters(this, {
+  EventEmitter: "resource://gre/modules/EventEmitter.jsm",
+  FxAccountsPairingFlow: "resource://gre/modules/FxAccountsPairing.jsm",
+});
+const { require } = ChromeUtils.import(
+  "resource://devtools/shared/Loader.jsm",
+  {}
+);
+const QR = require("devtools/shared/qrcode/index");
+
+// This is only for "labor illusion", see
+// https://www.fastcompany.com/3061519/the-ux-secret-that-will-ruin-apps-for-you
+const MIN_PAIRING_LOADING_TIME_MS = 1000;
+
+/**
+ * Communication between FxAccountsPairingFlow and gFxaPairDeviceDialog
+ * is done using an emitter via the following messages:
+ * <- [view:SwitchToWebContent] - Notifies the view to navigate to a specific URL.
+ * <- [view:Error] - Notifies the view something went wrong during the pairing process.
+ * -> [view:Closed] - Notifies the pairing module the view was closed.
+ */
+var gFxaPairDeviceDialog = {
+  init() {
+    this._resetBackgroundQR();
+    FxAccounts.config
+      .promiseConnectDeviceURI("pairing-modal")
+      .then(connectURI => {
+        document
+          .getElementById("connect-another-device-link")
+          .setAttribute("href", connectURI);
+      });
+    // We let the modal show itself before eventually showing a master-password dialog later.
+    Services.tm.dispatchToMainThread(() => this.startPairingFlow());
+  },
+
+  uninit() {
+    this.teardownListeners();
+    this._emitter.emit("view:Closed");
+  },
+
+  async startPairingFlow() {
+    this._resetBackgroundQR();
+    document
+      .getElementById("qrWrapper")
+      .setAttribute("pairing-status", "loading");
+    this._emitter = new EventEmitter();
+    this.setupListeners();
+    try {
+      if (!Weave.Utils.ensureMPUnlocked()) {
+        throw new Error("Master-password locked.");
+      }
+      const [, uri] = await Promise.all([
+        new Promise(res => setTimeout(res, MIN_PAIRING_LOADING_TIME_MS)),
+        FxAccountsPairingFlow.start({ emitter: this._emitter }),
+      ]);
+      const imgData = QR.encodeToDataURI(uri, "L");
+      document.getElementById(
+        "qrContainer"
+      ).style.backgroundImage = `url("${imgData.src}")`;
+      document
+        .getElementById("qrWrapper")
+        .setAttribute("pairing-status", "ready");
+    } catch (e) {
+      this.onError(e);
+    }
+  },
+
+  _resetBackgroundQR() {
+    // The text we encode doesn't really matter as it is un-scannable (blurry and very transparent).
+    const imgData = QR.encodeToDataURI(
+      "https://accounts.firefox.com/pair",
+      "L"
+    );
+    document.getElementById(
+      "qrContainer"
+    ).style.backgroundImage = `url("${imgData.src}")`;
+  },
+
+  onError(err) {
+    Cu.reportError(err);
+    this.teardownListeners();
+    document
+      .getElementById("qrWrapper")
+      .setAttribute("pairing-status", "error");
+  },
+
+  _switchToUrl(url) {
+    const browser = window.docShell.chromeEventHandler;
+    browser.loadURI(url, {
+      triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal(
+        {}
+      ),
+    });
+  },
+
+  setupListeners() {
+    this._switchToWebContent = (_, url) => this._switchToUrl(url);
+    this._onError = (_, error) => this.onError(error);
+    this._emitter.once("view:SwitchToWebContent", this._switchToWebContent);
+    this._emitter.on("view:Error", this._onError);
+  },
+
+  teardownListeners() {
+    try {
+      this._emitter.off("view:SwitchToWebContent", this._switchToWebContent);
+      this._emitter.off("view:Error", this._onError);
+    } catch (e) {
+      console.warn("Error while tearing down listeners.", e);
+    }
+  },
+};