feat(rpc): support firefox user prefs (#3093)

Also ignore firefoxUserPrefs in launchPersistentContext according to our api.

src/rpc/channels.ts

@@ -170,6 +170,7 @@ export type BrowserTypeLaunchParams = {
     password?: string,
   },
   downloadsPath?: string,
+  firefoxUserPrefs?: SerializedValue,
   slowMo?: number,
 };
 export type BrowserTypeLaunchResult = {
@@ -197,6 +198,7 @@ export type BrowserTypeLaunchServerParams = {
     password?: string,
   },
   downloadsPath?: string,
+  firefoxUserPrefs?: SerializedValue,
   port?: number,
 };
 export type BrowserTypeLaunchServerResult = {

src/rpc/client/browserType.ts

@@ -22,6 +22,9 @@ import { ChannelOwner } from './channelOwner';
 import { BrowserServer } from './browserServer';
 import { LoggerSink } from '../../loggerSink';
 import { headersObjectToArray, envObjectToArray } from '../serializers';
+import { serializeArgument } from './jsHandle';
+
+type FirefoxPrefsOptions = { firefoxUserPrefs?: { [key: string]: string | number | boolean } };
 
 export class BrowserType extends ChannelOwner<BrowserTypeChannel, BrowserTypeInitializer> {
 
@@ -41,7 +44,7 @@ export class BrowserType extends ChannelOwner<BrowserTypeChannel, BrowserTypeIni
     return this._initializer.name;
   }
 
-  async launch(options: types.LaunchOptions & { logger?: LoggerSink } = {}): Promise<Browser> {
+  async launch(options: types.LaunchOptions & FirefoxPrefsOptions & { logger?: LoggerSink } = {}): Promise<Browser> {
     const logger = options.logger;
     options = { ...options, logger: undefined };
     return this._wrapApiCall('browserType.launch', async () => {
@@ -50,6 +53,7 @@ export class BrowserType extends ChannelOwner<BrowserTypeChannel, BrowserTypeIni
         ignoreDefaultArgs: Array.isArray(options.ignoreDefaultArgs) ? options.ignoreDefaultArgs : undefined,
         ignoreAllDefaultArgs: !!options.ignoreDefaultArgs && !Array.isArray(options.ignoreDefaultArgs),
         env: options.env ? envObjectToArray(options.env) : undefined,
+        firefoxUserPrefs: options.firefoxUserPrefs ? serializeArgument(options.firefoxUserPrefs).value : undefined,
       };
       const browser = Browser.from((await this._channel.launch(launchOptions)).browser);
       browser._logger = logger;
@@ -57,7 +61,7 @@ export class BrowserType extends ChannelOwner<BrowserTypeChannel, BrowserTypeIni
     }, logger);
   }
 
-  async launchServer(options: types.LaunchServerOptions & { logger?: LoggerSink } = {}): Promise<BrowserServer> {
+  async launchServer(options: types.LaunchServerOptions & FirefoxPrefsOptions & { logger?: LoggerSink } = {}): Promise<BrowserServer> {
     const logger = options.logger;
     options = { ...options, logger: undefined };
     return this._wrapApiCall('browserType.launchServer', async () => {
@@ -66,6 +70,7 @@ export class BrowserType extends ChannelOwner<BrowserTypeChannel, BrowserTypeIni
         ignoreDefaultArgs: Array.isArray(options.ignoreDefaultArgs) ? options.ignoreDefaultArgs : undefined,
         ignoreAllDefaultArgs: !!options.ignoreDefaultArgs && !Array.isArray(options.ignoreDefaultArgs),
         env: options.env ? envObjectToArray(options.env) : undefined,
+        firefoxUserPrefs: options.firefoxUserPrefs ? serializeArgument(options.firefoxUserPrefs).value : undefined,
       };
       return BrowserServer.from((await this._channel.launchServer(launchServerOptions)).server);
     }, logger);

src/rpc/protocol.pdl

@@ -151,6 +151,7 @@ interface BrowserType
         username?: string
         password?: string
       downloadsPath?: string
+      firefoxUserPrefs?: SerializedValue
       slowMo?: number
     returns
       browser: Browser
@@ -176,6 +177,7 @@ interface BrowserType
         username?: string
         password?: string
       downloadsPath?: string
+      firefoxUserPrefs?: SerializedValue
       port?: number
     returns
       server: BrowserServer

src/rpc/server/browserTypeDispatcher.ts

@@ -24,6 +24,7 @@ import { BrowserContextBase } from '../../browserContext';
 import { BrowserContextDispatcher } from './browserContextDispatcher';
 import { BrowserServerDispatcher } from './browserServerDispatcher';
 import { headersArrayToObject, envArrayToObject } from '../serializers';
+import { parseValue } from './jsHandleDispatcher';
 
 export class BrowserTypeDispatcher extends Dispatcher<BrowserType, BrowserTypeInitializer> implements BrowserTypeChannel {
   constructor(scope: DispatcherScope, browserType: BrowserTypeBase) {
@@ -38,6 +39,7 @@ export class BrowserTypeDispatcher extends Dispatcher<BrowserType, BrowserTypeIn
       ...params,
       ignoreDefaultArgs: params.ignoreAllDefaultArgs ? true : params.ignoreDefaultArgs,
       env: params.env ? envArrayToObject(params.env) : undefined,
+      firefoxUserPrefs: params.firefoxUserPrefs ? parseValue(params.firefoxUserPrefs) : undefined,
     };
     const browser = await this._object.launch(options);
     return { browser: new BrowserDispatcher(this._scope, browser as BrowserBase) };
@@ -59,6 +61,7 @@ export class BrowserTypeDispatcher extends Dispatcher<BrowserType, BrowserTypeIn
     const options = {
       ...params,
       ignoreDefaultArgs: params.ignoreAllDefaultArgs ? true : params.ignoreDefaultArgs,
+      firefoxUserPrefs: params.firefoxUserPrefs ? parseValue(params.firefoxUserPrefs) : undefined,
       env: params.env ? envArrayToObject(params.env) : undefined,
     };
     return { server: new BrowserServerDispatcher(this._scope, await this._object.launchServer(options)) };

src/rpc/server/cdpSessionDispatcher.ts

@@ -17,7 +17,7 @@
 import { CRSession, CRSessionEvents } from '../../chromium/crConnection';
 import { CDPSessionChannel, CDPSessionInitializer, SerializedValue } from '../channels';
 import { Dispatcher, DispatcherScope } from './dispatcher';
-import { serializeResult, parseArgument } from './jsHandleDispatcher';
+import { serializeResult, parseValue } from './jsHandleDispatcher';
 
 export class CDPSessionDispatcher extends Dispatcher<CRSession, CDPSessionInitializer> implements CDPSessionChannel {
   constructor(scope: DispatcherScope, crSession: CRSession) {
@@ -33,7 +33,7 @@ export class CDPSessionDispatcher extends Dispatcher<CRSession, CDPSessionInitia
   }
 
   async send(params: { method: string, params?: SerializedValue }): Promise<{ result: SerializedValue }> {
-    const cdpParams = params.params ? parseArgument({ value: params.params, handles: [] }) : undefined;
+    const cdpParams = params.params ? parseValue(params.params) : undefined;
     return { result: serializeResult(await this._object.send(params.method as any, cdpParams)) };
   }
 

src/rpc/server/jsHandleDispatcher.ts

@@ -65,6 +65,9 @@ export class JSHandleDispatcher extends Dispatcher<js.JSHandle, JSHandleInitiali
 export function parseArgument(arg: SerializedArgument): any {
   return parseSerializedValue(arg.value, arg.handles.map(a => (a as JSHandleDispatcher)._object));
 }
+export function parseValue(v: SerializedValue): any {
+  return parseSerializedValue(v, []);
+}
 
 export function serializeResult(arg: any): SerializedValue {
   return serializeValue(arg, value => ({ fallThrough: value }), new Set());

src/server/firefox.ts

@@ -73,26 +73,28 @@ export class Firefox extends BrowserTypeBase {
       throw new Error('Pass userDataDir parameter instead of specifying -profile argument');
     if (args.find(arg => arg.startsWith('-juggler')))
       throw new Error('Use the port parameter instead of -juggler argument');
+    let firefoxUserPrefs = isPersistent ? undefined : options.firefoxUserPrefs;
     if (proxy) {
-      options.firefoxUserPrefs = options.firefoxUserPrefs || {};
-      options.firefoxUserPrefs['network.proxy.type'] = 1;
+      // TODO: we should support proxy in persistent context without overriding user prefs.
+      firefoxUserPrefs = firefoxUserPrefs || {};
+      firefoxUserPrefs['network.proxy.type'] = 1;
       const proxyServer = new URL(proxy.server);
       const isSocks = proxyServer.protocol === 'socks5:';
       if (isSocks) {
-        options.firefoxUserPrefs['network.proxy.socks'] = proxyServer.hostname;
-        options.firefoxUserPrefs['network.proxy.socks_port'] = parseInt(proxyServer.port, 10);
+        firefoxUserPrefs['network.proxy.socks'] = proxyServer.hostname;
+        firefoxUserPrefs['network.proxy.socks_port'] = parseInt(proxyServer.port, 10);
       } else {
-        options.firefoxUserPrefs['network.proxy.http'] = proxyServer.hostname;
-        options.firefoxUserPrefs['network.proxy.http_port'] = parseInt(proxyServer.port, 10);
-        options.firefoxUserPrefs['network.proxy.ssl'] = proxyServer.hostname;
-        options.firefoxUserPrefs['network.proxy.ssl_port'] = parseInt(proxyServer.port, 10);
+        firefoxUserPrefs['network.proxy.http'] = proxyServer.hostname;
+        firefoxUserPrefs['network.proxy.http_port'] = parseInt(proxyServer.port, 10);
+        firefoxUserPrefs['network.proxy.ssl'] = proxyServer.hostname;
+        firefoxUserPrefs['network.proxy.ssl_port'] = parseInt(proxyServer.port, 10);
       }
       if (proxy.bypass)
-        options.firefoxUserPrefs['network.proxy.no_proxies_on'] = proxy.bypass;
+        firefoxUserPrefs['network.proxy.no_proxies_on'] = proxy.bypass;
     }
-    if (options.firefoxUserPrefs) {
+    if (firefoxUserPrefs) {
       const lines: string[] = [];
-      for (const [name, value] of Object.entries(options.firefoxUserPrefs))
+      for (const [name, value] of Object.entries(firefoxUserPrefs))
         lines.push(`user_pref(${JSON.stringify(name)}, ${JSON.stringify(value)});`);
       fs.writeFileSync(path.join(userDataDir, 'user.js'), lines.join('\n'));
     }