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feat(firefox): basic support for Network (#3988)
This patch introduces basic Request and Response events for page. It also teaches navigation methods, e.g. `page.goto` to return navigation response.
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const {helper} = require('./helper'); | ||
const util = require('util'); | ||
const EventEmitter = require('events'); | ||
const {Events} = require('./Events'); | ||
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class NetworkManager extends EventEmitter { | ||
constructor(session, frameManager) { | ||
super(); | ||
this._session = session; | ||
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this._requests = new Map(); | ||
this._frameManager = frameManager; | ||
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this._eventListeners = [ | ||
helper.addEventListener(session, 'Page.requestWillBeSent', this._onRequestWillBeSent.bind(this)), | ||
helper.addEventListener(session, 'Page.responseReceived', this._onResponseReceived.bind(this)), | ||
helper.addEventListener(session, 'Page.requestFinished', this._onRequestFinished.bind(this)), | ||
]; | ||
} | ||
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_onRequestWillBeSent(event) { | ||
const frame = this._frameManager && event.frameId ? this._frameManager.frame(event.frameId) : null; | ||
if (!frame) | ||
return; | ||
let redirectChain = []; | ||
const redirected = event.redirectedFrom ? this._requests.get(event.redirectedFrom) : null; | ||
if (redirected) { | ||
redirectChain = redirected._redirectChain; | ||
redirectChain.push(redirected); | ||
this._requests.delete(redirected._id); | ||
} | ||
const request = new Request(frame, redirectChain, event); | ||
this._requests.set(request._id, request); | ||
this.emit(Events.NetworkManager.Request, request); | ||
} | ||
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_onResponseReceived(event) { | ||
const request = this._requests.get(event.requestId); | ||
if (!request) | ||
return; | ||
const response = new Response(request, event); | ||
request._response = response; | ||
this.emit(Events.NetworkManager.Response, response); | ||
} | ||
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_onRequestFinished(event) { | ||
const request = this._requests.get(event.requestId); | ||
if (!request) | ||
return; | ||
// Keep redirected requests in the map for future reference in redirectChain. | ||
const isRedirected = request.response().status() >= 300 && request.response().status() <= 399; | ||
if (!isRedirected) | ||
this._requests.delete(request._id); | ||
this.emit(Events.NetworkManager.RequestFinished, request); | ||
} | ||
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dispose() { | ||
helper.removeEventListeners(this._eventListeners); | ||
} | ||
} | ||
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/** | ||
* | ||
* document, stylesheet, image, media, font, script, texttrack, xhr, fetch, eventsource, websocket, manifest, other. | ||
*/ | ||
const causeToResourceType = { | ||
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', | ||
}; | ||
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class Request { | ||
constructor(frame, redirectChain, payload) { | ||
this._frame = frame; | ||
this._id = payload.requestId; | ||
this._redirectChain = redirectChain; | ||
this._url = payload.url; | ||
this._response = null; | ||
this._isNavigationRequest = payload.isNavigationRequest; | ||
this._method = payload.method; | ||
this._resourceType = causeToResourceType[payload.cause] || 'other'; | ||
} | ||
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redirectChain() { | ||
return this._redirectChain.slice(); | ||
} | ||
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resourceType() { | ||
return this._resourceType; | ||
} | ||
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url() { | ||
return this._url; | ||
} | ||
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method() { | ||
return this._method; | ||
} | ||
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isNavigationRequest() { | ||
return this._isNavigationRequest; | ||
} | ||
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frame() { | ||
return this._frame; | ||
} | ||
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response() { | ||
return this._response; | ||
} | ||
} | ||
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class Response { | ||
constructor(request, payload) { | ||
this._request = request; | ||
this._remoteIPAddress = payload.remoteIPAddress; | ||
this._remotePort = payload.remotePort; | ||
this._status = payload.status; | ||
this._statusText = payload.statusText; | ||
} | ||
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status() { | ||
return this._status; | ||
} | ||
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statusText() { | ||
return this._statusText; | ||
} | ||
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ok() { | ||
return this._status >= 200 && this._status <= 299; | ||
} | ||
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remoteAddress() { | ||
return { | ||
ip: this._remoteIPAddress, | ||
port: this._remotePort, | ||
}; | ||
} | ||
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frame() { | ||
return this._request.frame(); | ||
} | ||
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url() { | ||
return this._request.url(); | ||
} | ||
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request() { | ||
return this._request; | ||
} | ||
} | ||
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module.exports = {NetworkManager, Request, Response}; |
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