playwright/src/server/browserContext.ts
2020-08-24 06:51:51 -07:00

273 lines
9.9 KiB
TypeScript

/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as fs from 'fs';
import { helper } from './helper';
import * as network from './network';
import * as path from 'path';
import { Page, PageBinding } from './page';
import { TimeoutSettings } from '../utils/timeoutSettings';
import * as frames from './frames';
import * as types from './types';
import { Download } from './download';
import { Browser } from './browser';
import { EventEmitter } from 'events';
import { Progress } from './progress';
import { DebugController } from './debug/debugController';
import { isDebugMode } from '../utils/utils';
export class Screencast {
readonly path: string;
readonly page: Page;
constructor(path: string, page: Page) {
this.path = path;
this.page = page;
}
}
export abstract class BrowserContext extends EventEmitter {
static Events = {
Close: 'close',
Page: 'page',
ScreencastStarted: 'screencaststarted',
ScreencastStopped: 'screencaststopped',
};
readonly _timeoutSettings = new TimeoutSettings();
readonly _pageBindings = new Map<string, PageBinding>();
readonly _options: types.BrowserContextOptions;
_screencastOptions: types.ContextScreencastOptions | null = null;
_requestInterceptor?: network.RouteHandler;
private _isPersistentContext: boolean;
private _closedStatus: 'open' | 'closing' | 'closed' = 'open';
readonly _closePromise: Promise<Error>;
private _closePromiseFulfill: ((error: Error) => void) | undefined;
readonly _permissions = new Map<string, string[]>();
readonly _downloads = new Set<Download>();
readonly _browser: Browser;
constructor(browser: Browser, options: types.BrowserContextOptions, isPersistentContext: boolean) {
super();
this._browser = browser;
this._options = options;
this._isPersistentContext = isPersistentContext;
this._closePromise = new Promise(fulfill => this._closePromiseFulfill = fulfill);
}
async _initialize() {
if (isDebugMode())
new DebugController(this);
}
_browserClosed() {
for (const page of this.pages())
page._didClose();
this._didCloseInternal();
}
private _didCloseInternal() {
if (this._closedStatus === 'closed') {
// We can come here twice if we close browser context and browser
// at the same time.
return;
}
this._closedStatus = 'closed';
this._downloads.clear();
this._closePromiseFulfill!(new Error('Context closed'));
this.emit(BrowserContext.Events.Close);
}
// BrowserContext methods.
abstract pages(): Page[];
abstract newPage(): Promise<Page>;
abstract _doCookies(urls: string[]): Promise<types.NetworkCookie[]>;
abstract addCookies(cookies: types.SetNetworkCookieParam[]): Promise<void>;
abstract clearCookies(): Promise<void>;
abstract _doGrantPermissions(origin: string, permissions: string[]): Promise<void>;
abstract _doClearPermissions(): Promise<void>;
abstract setGeolocation(geolocation?: types.Geolocation): Promise<void>;
abstract _doSetHTTPCredentials(httpCredentials?: types.Credentials): Promise<void>;
abstract setExtraHTTPHeaders(headers: types.HeadersArray): Promise<void>;
abstract setOffline(offline: boolean): Promise<void>;
abstract _doAddInitScript(expression: string): Promise<void>;
abstract _doExposeBinding(binding: PageBinding): Promise<void>;
abstract _doUpdateRequestInterception(): Promise<void>;
abstract _doClose(): Promise<void>;
async cookies(urls: string | string[] | undefined = []): Promise<types.NetworkCookie[]> {
if (urls && !Array.isArray(urls))
urls = [ urls ];
return await this._doCookies(urls as string[]);
}
setHTTPCredentials(httpCredentials?: types.Credentials): Promise<void> {
return this._doSetHTTPCredentials(httpCredentials);
}
async exposeBinding(name: string, playwrightBinding: frames.FunctionWithSource): Promise<void> {
for (const page of this.pages()) {
if (page._pageBindings.has(name))
throw new Error(`Function "${name}" has been already registered in one of the pages`);
}
if (this._pageBindings.has(name))
throw new Error(`Function "${name}" has been already registered`);
const binding = new PageBinding(name, playwrightBinding);
this._pageBindings.set(name, binding);
this._doExposeBinding(binding);
}
async grantPermissions(permissions: string[], origin?: string) {
let resolvedOrigin = '*';
if (origin) {
const url = new URL(origin);
resolvedOrigin = url.origin;
}
const existing = new Set(this._permissions.get(resolvedOrigin) || []);
permissions.forEach(p => existing.add(p));
const list = [...existing.values()];
this._permissions.set(resolvedOrigin, list);
await this._doGrantPermissions(resolvedOrigin, list);
}
async clearPermissions() {
this._permissions.clear();
await this._doClearPermissions();
}
setDefaultNavigationTimeout(timeout: number) {
this._timeoutSettings.setDefaultNavigationTimeout(timeout);
}
setDefaultTimeout(timeout: number) {
this._timeoutSettings.setDefaultTimeout(timeout);
}
async _enableScreencast(options: types.ContextScreencastOptions) {
this._screencastOptions = options;
fs.mkdirSync(path.dirname(options.dir), {recursive: true});
}
_disableScreencast() {
this._screencastOptions = null;
}
async _loadDefaultContext(progress: Progress) {
if (!this.pages().length) {
const waitForEvent = helper.waitForEvent(progress, this, BrowserContext.Events.Page);
progress.cleanupWhenAborted(() => waitForEvent.dispose);
await waitForEvent.promise;
}
const pages = this.pages();
await pages[0].mainFrame().waitForLoadState();
if (pages.length !== 1 || pages[0].mainFrame().url() !== 'about:blank')
throw new Error(`Arguments can not specify page to be opened (first url is ${pages[0].mainFrame().url()})`);
if (this._options.isMobile || this._options.locale) {
// Workaround for:
// - chromium fails to change isMobile for existing page;
// - webkit fails to change locale for existing page.
const oldPage = pages[0];
await this.newPage();
await oldPage.close();
}
}
protected _authenticateProxyViaHeader() {
const proxy = this._browser._options.proxy || { username: undefined, password: undefined };
const { username, password } = proxy;
if (username) {
this._options.httpCredentials = { username, password: password! };
const token = Buffer.from(`${username}:${password}`).toString('base64');
this._options.extraHTTPHeaders = network.mergeHeaders([
this._options.extraHTTPHeaders,
network.singleHeader('Proxy-Authorization', `Basic ${token}`),
]);
}
}
protected _authenticateProxyViaCredentials() {
const proxy = this._browser._options.proxy;
if (!proxy)
return;
const { username, password } = proxy;
if (username && password)
this._options.httpCredentials = { username, password };
}
async _setRequestInterceptor(handler: network.RouteHandler | undefined): Promise<void> {
this._requestInterceptor = handler;
await this._doUpdateRequestInterception();
}
async close() {
if (this._isPersistentContext) {
// Default context is only created in 'persistent' mode and closing it should close
// the browser.
await this._browser.close();
return;
}
if (this._closedStatus === 'open') {
this._closedStatus = 'closing';
await this._doClose();
await Promise.all([...this._downloads].map(d => d.delete()));
this._didCloseInternal();
}
await this._closePromise;
}
}
export function assertBrowserContextIsNotOwned(context: BrowserContext) {
for (const page of context.pages()) {
if (page._ownedContext)
throw new Error('Please use browser.newContext() for multi-page scripts that share the context.');
}
}
export function validateBrowserContextOptions(options: types.BrowserContextOptions) {
if (options.noDefaultViewport && options.deviceScaleFactor !== undefined)
throw new Error(`"deviceScaleFactor" option is not supported with null "viewport"`);
if (options.noDefaultViewport && options.isMobile !== undefined)
throw new Error(`"isMobile" option is not supported with null "viewport"`);
if (!options.viewport && !options.noDefaultViewport)
options.viewport = { width: 1280, height: 720 };
verifyGeolocation(options.geolocation);
}
export function verifyGeolocation(geolocation?: types.Geolocation) {
if (!geolocation)
return;
geolocation.accuracy = geolocation.accuracy || 0;
const { longitude, latitude, accuracy } = geolocation;
if (longitude < -180 || longitude > 180)
throw new Error(`geolocation.longitude: precondition -180 <= LONGITUDE <= 180 failed.`);
if (latitude < -90 || latitude > 90)
throw new Error(`geolocation.latitude: precondition -90 <= LATITUDE <= 90 failed.`);
if (accuracy < 0)
throw new Error(`geolocation.accuracy: precondition 0 <= ACCURACY failed.`);
}
export function verifyProxySettings(proxy: types.ProxySettings): types.ProxySettings {
let { server, bypass } = proxy;
let url = new URL(server);
if (!['http:', 'https:', 'socks5:'].includes(url.protocol)) {
url = new URL('http://' + server);
server = `${url.protocol}//${url.host}`;
}
if (bypass)
bypass = bypass.split(',').map(t => t.trim()).join(',');
return { ...proxy, server, bypass };
}