playwright/src/server/firefox/ffNetworkManager.ts

258 lines
9.6 KiB
TypeScript

/**
* Copyright 2019 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 { eventsHelper, RegisteredListener } from '../../utils/eventsHelper';
import { FFSession } from './ffConnection';
import { Page } from '../page';
import * as network from '../network';
import * as frames from '../frames';
import * as types from '../types';
import { Protocol } from './protocol';
import { InterceptedResponse } from '../network';
export class FFNetworkManager {
private _session: FFSession;
private _requests: Map<string, InterceptableRequest>;
private _page: Page;
private _eventListeners: RegisteredListener[];
private _startTime = 0;
constructor(session: FFSession, page: Page) {
this._session = session;
this._requests = new Map();
this._page = page;
this._eventListeners = [
eventsHelper.addEventListener(session, 'Network.requestWillBeSent', this._onRequestWillBeSent.bind(this)),
eventsHelper.addEventListener(session, 'Network.responseReceived', this._onResponseReceived.bind(this)),
eventsHelper.addEventListener(session, 'Network.requestFinished', this._onRequestFinished.bind(this)),
eventsHelper.addEventListener(session, 'Network.requestFailed', this._onRequestFailed.bind(this)),
];
}
dispose() {
eventsHelper.removeEventListeners(this._eventListeners);
}
async setRequestInterception(enabled: boolean) {
await this._session.send('Network.setRequestInterception', {enabled});
}
_onRequestWillBeSent(event: Protocol.Network.requestWillBeSentPayload) {
const redirectedFrom = event.redirectedFrom ? (this._requests.get(event.redirectedFrom) || null) : null;
const frame = redirectedFrom ? redirectedFrom.request.frame() : (event.frameId ? this._page._frameManager.frame(event.frameId) : null);
if (!frame)
return;
if (redirectedFrom)
this._requests.delete(redirectedFrom._id);
const request = new InterceptableRequest(frame, redirectedFrom, event);
let route;
if (event.isIntercepted)
route = new FFRouteImpl(this._session, request);
this._requests.set(request._id, request);
this._page._frameManager.requestStarted(request.request, route);
}
_onResponseReceived(event: Protocol.Network.responseReceivedPayload) {
const request = this._requests.get(event.requestId);
if (!request)
return;
const getResponseBody = async () => {
const response = await this._session.send('Network.getResponseBody', {
requestId: request._id
});
if (response.evicted)
throw new Error(`Response body for ${request.request.method()} ${request.request.url()} was evicted!`);
return Buffer.from(response.base64body, 'base64');
};
this._startTime = event.timing.startTime;
const timing = {
startTime: this._startTime / 1000,
domainLookupStart: this._relativeTiming(event.timing.domainLookupStart),
domainLookupEnd: this._relativeTiming(event.timing.domainLookupEnd),
connectStart: this._relativeTiming(event.timing.connectStart),
secureConnectionStart: this._relativeTiming(event.timing.secureConnectionStart),
connectEnd: this._relativeTiming(event.timing.connectEnd),
requestStart: this._relativeTiming(event.timing.requestStart),
responseStart: this._relativeTiming(event.timing.responseStart),
};
const response = new network.Response(request.request, event.status, event.statusText, event.headers, timing, getResponseBody);
if (event?.remoteIPAddress && typeof event?.remotePort === 'number') {
response._serverAddrFinished({
ipAddress: event.remoteIPAddress,
port: event.remotePort,
});
} else {
response._serverAddrFinished();
}
response._securityDetailsFinished({
protocol: event?.securityDetails?.protocol,
subjectName: event?.securityDetails?.subjectName,
issuer: event?.securityDetails?.issuer,
validFrom: event?.securityDetails?.validFrom,
validTo: event?.securityDetails?.validTo,
});
this._page._frameManager.requestReceivedResponse(response);
}
_onRequestFinished(event: Protocol.Network.requestFinishedPayload) {
const request = this._requests.get(event.requestId);
if (!request)
return;
const response = request.request._existingResponse()!;
request.request._sizes.transferSize = event.transferSize;
request.request._sizes.responseBodySize = event.transferSize - response.headersSize();
// Keep redirected requests in the map for future reference as redirectedFrom.
const isRedirected = response.status() >= 300 && response.status() <= 399;
if (isRedirected) {
response._requestFinished(this._relativeTiming(event.responseEndTime));
} else {
this._requests.delete(request._id);
response._requestFinished(this._relativeTiming(event.responseEndTime));
}
this._page._frameManager.reportRequestFinished(request.request, response);
}
_onRequestFailed(event: Protocol.Network.requestFailedPayload) {
const request = this._requests.get(event.requestId);
if (!request)
return;
this._requests.delete(request._id);
const response = request.request._existingResponse();
if (response)
response._requestFinished(-1);
request.request._setFailureText(event.errorCode);
this._page._frameManager.requestFailed(request.request, event.errorCode === 'NS_BINDING_ABORTED');
}
_relativeTiming(time: number): number {
if (!time)
return -1;
return (time - this._startTime) / 1000;
}
}
const causeToResourceType: {[key: string]: string} = {
TYPE_INVALID: 'other',
TYPE_OTHER: 'other',
TYPE_SCRIPT: 'script',
TYPE_IMAGE: 'image',
TYPE_STYLESHEET: 'stylesheet',
TYPE_OBJECT: 'other',
TYPE_DOCUMENT: 'document',
TYPE_SUBDOCUMENT: 'document',
TYPE_REFRESH: 'document',
TYPE_XBL: 'other',
TYPE_PING: 'other',
TYPE_XMLHTTPREQUEST: 'xhr',
TYPE_OBJECT_SUBREQUEST: 'other',
TYPE_DTD: 'other',
TYPE_FONT: 'font',
TYPE_MEDIA: 'media',
TYPE_WEBSOCKET: 'websocket',
TYPE_CSP_REPORT: 'other',
TYPE_XSLT: 'other',
TYPE_BEACON: 'other',
TYPE_FETCH: 'fetch',
TYPE_IMAGESET: 'images',
TYPE_WEB_MANIFEST: 'manifest',
};
const internalCauseToResourceType: {[key: string]: string} = {
TYPE_INTERNAL_EVENTSOURCE: 'eventsource',
};
class InterceptableRequest {
readonly request: network.Request;
readonly _id: string;
private _redirectedTo: InterceptableRequest | undefined;
constructor(frame: frames.Frame, redirectedFrom: InterceptableRequest | null, payload: Protocol.Network.requestWillBeSentPayload) {
this._id = payload.requestId;
if (redirectedFrom)
redirectedFrom._redirectedTo = this;
let postDataBuffer = null;
if (payload.postData)
postDataBuffer = Buffer.from(payload.postData, 'base64');
this.request = new network.Request(frame, redirectedFrom ? redirectedFrom.request : null, payload.navigationId,
payload.url, internalCauseToResourceType[payload.internalCause] || causeToResourceType[payload.cause] || 'other', payload.method, postDataBuffer, payload.headers);
}
_finalRequest(): InterceptableRequest {
let request: InterceptableRequest = this;
while (request._redirectedTo)
request = request._redirectedTo;
return request;
}
}
class FFRouteImpl implements network.RouteDelegate {
private _request: InterceptableRequest;
private _session: FFSession;
constructor(session: FFSession, request: InterceptableRequest) {
this._session = session;
this._request = request;
}
async responseBody(): Promise<Buffer> {
const response = await this._session.send('Network.getResponseBody', {
requestId: this._request._finalRequest()._id
});
return Buffer.from(response.base64body, 'base64');
}
async continue(request: network.Request, overrides: types.NormalizedContinueOverrides): Promise<network.InterceptedResponse|null> {
const result = await this._session.sendMayFail('Network.resumeInterceptedRequest', {
requestId: this._request._id,
url: overrides.url,
method: overrides.method,
headers: overrides.headers,
postData: overrides.postData ? Buffer.from(overrides.postData).toString('base64') : undefined,
interceptResponse: overrides.interceptResponse,
}) as any;
if (!overrides.interceptResponse)
return null;
if (result.error)
throw new Error(`Request failed: ${result.error}`);
return new InterceptedResponse(request, result.response.status, result.response.statusText, result.response.headers);
}
async fulfill(response: types.NormalizedFulfillResponse) {
const base64body = response.isBase64 ? response.body : Buffer.from(response.body).toString('base64');
await this._session.sendMayFail('Network.fulfillInterceptedRequest', {
requestId: this._request._id,
status: response.status,
statusText: network.STATUS_TEXTS[String(response.status)] || '',
headers: response.headers,
base64body,
});
}
async abort(errorCode: string) {
await this._session.sendMayFail('Network.abortInterceptedRequest', {
requestId: this._request._id,
errorCode,
});
}
}