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+/* 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/. */
+
+import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+ accessibility: "chrome://remote/content/marionette/accessibility.sys.mjs",
+ allowAllCerts: "chrome://remote/content/marionette/cert.sys.mjs",
+ Capabilities: "chrome://remote/content/shared/webdriver/Capabilities.sys.mjs",
+ error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs",
+ generateUUID: "chrome://remote/content/shared/UUID.sys.mjs",
+ Log: "chrome://remote/content/shared/Log.sys.mjs",
+ registerProcessDataActor:
+ "chrome://remote/content/shared/webdriver/process-actors/WebDriverProcessDataParent.sys.mjs",
+ RootMessageHandler:
+ "chrome://remote/content/shared/messagehandler/RootMessageHandler.sys.mjs",
+ RootMessageHandlerRegistry:
+ "chrome://remote/content/shared/messagehandler/RootMessageHandlerRegistry.sys.mjs",
+ unregisterProcessDataActor:
+ "chrome://remote/content/shared/webdriver/process-actors/WebDriverProcessDataParent.sys.mjs",
+ WebDriverBiDiConnection:
+ "chrome://remote/content/webdriver-bidi/WebDriverBiDiConnection.sys.mjs",
+ WebSocketHandshake:
+ "chrome://remote/content/server/WebSocketHandshake.sys.mjs",
+});
+
+XPCOMUtils.defineLazyGetter(lazy, "logger", () => lazy.Log.get());
+
+/**
+ * Representation of WebDriver session.
+ */
+export class WebDriverSession {
+ /**
+ * Construct a new WebDriver session.
+ *
+ * It is expected that the caller performs the necessary checks on
+ * the requested capabilities to be WebDriver conforming. The WebDriver
+ * service offered by Marionette does not match or negotiate capabilities
+ * beyond type- and bounds checks.
+ *
+ * <h3>Capabilities</h3>
+ *
+ * <dl>
+ * <dt><code>acceptInsecureCerts</code> (boolean)
+ * <dd>Indicates whether untrusted and self-signed TLS certificates
+ * are implicitly trusted on navigation for the duration of the session.
+ *
+ * <dt><code>pageLoadStrategy</code> (string)
+ * <dd>The page load strategy to use for the current session. Must be
+ * one of "<tt>none</tt>", "<tt>eager</tt>", and "<tt>normal</tt>".
+ *
+ * <dt><code>proxy</code> (Proxy object)
+ * <dd>Defines the proxy configuration.
+ *
+ * <dt><code>setWindowRect</code> (boolean)
+ * <dd>Indicates whether the remote end supports all of the resizing
+ * and repositioning commands.
+ *
+ * <dt><code>timeouts</code> (Timeouts object)
+ * <dd>Describes the timeouts imposed on certian session operations.
+ *
+ * <dt><code>strictFileInteractability</code> (boolean)
+ * <dd>Defines the current session’s strict file interactability.
+ *
+ * <dt><code>unhandledPromptBehavior</code> (string)
+ * <dd>Describes the current session’s user prompt handler. Must be one of
+ * "<tt>accept</tt>", "<tt>accept and notify</tt>", "<tt>dismiss</tt>",
+ * "<tt>dismiss and notify</tt>", and "<tt>ignore</tt>". Defaults to the
+ * "<tt>dismiss and notify</tt>" state.
+ *
+ * <dt><code>moz:accessibilityChecks</code> (boolean)
+ * <dd>Run a11y checks when clicking elements.
+ *
+ * <dt><code>moz:debuggerAddress</code> (boolean)
+ * <dd>Indicate that the Chrome DevTools Protocol (CDP) has to be enabled.
+ *
+ * <dt><code>moz:useNonSpecCompliantPointerOrigin</code> (boolean)
+ * <dd>Use the not WebDriver conforming calculation of the pointer origin
+ * when the origin is an element, and the element center point is used.
+ *
+ * <dt><code>moz:webdriverClick</code> (boolean)
+ * <dd>Use a WebDriver conforming <i>WebDriver::ElementClick</i>.
+ * </dl>
+ *
+ * <h4>Timeouts object</h4>
+ *
+ * <dl>
+ * <dt><code>script</code> (number)
+ * <dd>Determines when to interrupt a script that is being evaluates.
+ *
+ * <dt><code>pageLoad</code> (number)
+ * <dd>Provides the timeout limit used to interrupt navigation of the
+ * browsing context.
+ *
+ * <dt><code>implicit</code> (number)
+ * <dd>Gives the timeout of when to abort when locating an element.
+ * </dl>
+ *
+ * <h4>Proxy object</h4>
+ *
+ * <dl>
+ * <dt><code>proxyType</code> (string)
+ * <dd>Indicates the type of proxy configuration. Must be one
+ * of "<tt>pac</tt>", "<tt>direct</tt>", "<tt>autodetect</tt>",
+ * "<tt>system</tt>", or "<tt>manual</tt>".
+ *
+ * <dt><code>proxyAutoconfigUrl</code> (string)
+ * <dd>Defines the URL for a proxy auto-config file if
+ * <code>proxyType</code> is equal to "<tt>pac</tt>".
+ *
+ * <dt><code>httpProxy</code> (string)
+ * <dd>Defines the proxy host for HTTP traffic when the
+ * <code>proxyType</code> is "<tt>manual</tt>".
+ *
+ * <dt><code>noProxy</code> (string)
+ * <dd>Lists the adress for which the proxy should be bypassed when
+ * the <code>proxyType</code> is "<tt>manual</tt>". Must be a JSON
+ * List containing any number of any of domains, IPv4 addresses, or IPv6
+ * addresses.
+ *
+ * <dt><code>sslProxy</code> (string)
+ * <dd>Defines the proxy host for encrypted TLS traffic when the
+ * <code>proxyType</code> is "<tt>manual</tt>".
+ *
+ * <dt><code>socksProxy</code> (string)
+ * <dd>Defines the proxy host for a SOCKS proxy traffic when the
+ * <code>proxyType</code> is "<tt>manual</tt>".
+ *
+ * <dt><code>socksVersion</code> (string)
+ * <dd>Defines the SOCKS proxy version when the <code>proxyType</code> is
+ * "<tt>manual</tt>". It must be any integer between 0 and 255
+ * inclusive.
+ * </dl>
+ *
+ * <h3>Example</h3>
+ *
+ * Input:
+ *
+ * <pre><code>
+ * {"capabilities": {"acceptInsecureCerts": true}}
+ * </code></pre>
+ *
+ * @param {Object<string, *>=} capabilities
+ * JSON Object containing any of the recognised capabilities listed
+ * above.
+ *
+ * @param {WebDriverBiDiConnection=} connection
+ * An optional existing WebDriver BiDi connection to associate with the
+ * new session.
+ *
+ * @throws {SessionNotCreatedError}
+ * If, for whatever reason, a session could not be created.
+ */
+ constructor(capabilities, connection) {
+ // WebSocket connections that use this session. This also accounts for
+ // possible disconnects due to network outages, which require clients
+ // to reconnect.
+ this._connections = new Set();
+
+ this.id = lazy.generateUUID();
+
+ // Define the HTTP path to query this session via WebDriver BiDi
+ this.path = `/session/${this.id}`;
+
+ try {
+ this.capabilities = lazy.Capabilities.fromJSON(capabilities, this.path);
+ } catch (e) {
+ throw new lazy.error.SessionNotCreatedError(e);
+ }
+
+ if (this.capabilities.get("acceptInsecureCerts")) {
+ lazy.logger.warn(
+ "TLS certificate errors will be ignored for this session"
+ );
+ lazy.allowAllCerts.enable();
+ }
+
+ if (this.proxy.init()) {
+ lazy.logger.info(
+ `Proxy settings initialised: ${JSON.stringify(this.proxy)}`
+ );
+ }
+
+ // If we are testing accessibility with marionette, start a11y service in
+ // chrome first. This will ensure that we do not have any content-only
+ // services hanging around.
+ if (this.a11yChecks && lazy.accessibility.service) {
+ lazy.logger.info("Preemptively starting accessibility service in Chrome");
+ }
+
+ // If a connection without an associated session has been specified
+ // immediately register the newly created session for it.
+ if (connection) {
+ connection.registerSession(this);
+ this._connections.add(connection);
+ }
+
+ lazy.registerProcessDataActor();
+ }
+
+ destroy() {
+ lazy.allowAllCerts.disable();
+
+ // Close all open connections which unregister themselves.
+ this._connections.forEach(connection => connection.close());
+ if (this._connections.size > 0) {
+ lazy.logger.warn(
+ `Failed to close ${this._connections.size} WebSocket connections`
+ );
+ }
+
+ // Destroy the dedicated MessageHandler instance if we created one.
+ if (this._messageHandler) {
+ this._messageHandler.off(
+ "message-handler-protocol-event",
+ this._onMessageHandlerProtocolEvent
+ );
+ this._messageHandler.destroy();
+ }
+
+ lazy.unregisterProcessDataActor();
+ }
+
+ async execute(module, command, params) {
+ // XXX: At the moment, commands do not describe consistently their destination,
+ // so we will need a translation step based on a specific command and its params
+ // in order to extract a destination that can be understood by the MessageHandler.
+ //
+ // For now, an option is to send all commands to ROOT, and all BiDi MessageHandler
+ // modules will therefore need to implement this translation step in the root
+ // implementation of their module.
+ const destination = {
+ type: lazy.RootMessageHandler.type,
+ };
+ if (!this.messageHandler.supportsCommand(module, command, destination)) {
+ throw new lazy.error.UnknownCommandError(`${module}.${command}`);
+ }
+
+ return this.messageHandler.handleCommand({
+ moduleName: module,
+ commandName: command,
+ params,
+ destination,
+ });
+ }
+
+ get a11yChecks() {
+ return this.capabilities.get("moz:accessibilityChecks");
+ }
+
+ get messageHandler() {
+ if (!this._messageHandler) {
+ this._messageHandler =
+ lazy.RootMessageHandlerRegistry.getOrCreateMessageHandler(this.id);
+ this._onMessageHandlerProtocolEvent =
+ this._onMessageHandlerProtocolEvent.bind(this);
+ this._messageHandler.on(
+ "message-handler-protocol-event",
+ this._onMessageHandlerProtocolEvent
+ );
+ }
+
+ return this._messageHandler;
+ }
+
+ get pageLoadStrategy() {
+ return this.capabilities.get("pageLoadStrategy");
+ }
+
+ get proxy() {
+ return this.capabilities.get("proxy");
+ }
+
+ get strictFileInteractability() {
+ return this.capabilities.get("strictFileInteractability");
+ }
+
+ get timeouts() {
+ return this.capabilities.get("timeouts");
+ }
+
+ set timeouts(timeouts) {
+ this.capabilities.set("timeouts", timeouts);
+ }
+
+ get unhandledPromptBehavior() {
+ return this.capabilities.get("unhandledPromptBehavior");
+ }
+
+ /**
+ * Remove the specified WebDriver BiDi connection.
+ *
+ * @param {WebDriverBiDiConnection} connection
+ */
+ removeConnection(connection) {
+ if (this._connections.has(connection)) {
+ this._connections.delete(connection);
+ } else {
+ lazy.logger.warn("Trying to remove a connection that doesn't exist.");
+ }
+ }
+
+ toString() {
+ return `[object ${this.constructor.name} ${this.id}]`;
+ }
+
+ // nsIHttpRequestHandler
+
+ /**
+ * Handle new WebSocket connection requests.
+ *
+ * WebSocket clients will attempt to connect to this session at
+ * `/session/:id`. Hereby a WebSocket upgrade will automatically
+ * be performed.
+ *
+ * @param {Request} request
+ * HTTP request (httpd.js)
+ * @param {Response} response
+ * Response to an HTTP request (httpd.js)
+ */
+ async handle(request, response) {
+ const webSocket = await lazy.WebSocketHandshake.upgrade(request, response);
+ const conn = new lazy.WebDriverBiDiConnection(
+ webSocket,
+ response._connection
+ );
+ conn.registerSession(this);
+ this._connections.add(conn);
+ }
+
+ _onMessageHandlerProtocolEvent(eventName, messageHandlerEvent) {
+ const { name, data } = messageHandlerEvent;
+ this._connections.forEach(connection => connection.sendEvent(name, data));
+ }
+
+ // XPCOM
+
+ get QueryInterface() {
+ return ChromeUtils.generateQI(["nsIHttpRequestHandler"]);
+ }
+}