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| 1 | +// Licensed to the Software Freedom Conservancy (SFC) under one |
| 2 | +// or more contributor license agreements. See the NOTICE file |
| 3 | +// distributed with this work for additional information |
| 4 | +// regarding copyright ownership. The SFC licenses this file |
| 5 | +// to you under the Apache License, Version 2.0 (the |
| 6 | +// "License"); you may not use this file except in compliance |
| 7 | +// with the License. You may obtain a copy of the License at |
| 8 | +// |
| 9 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | +// |
| 11 | +// Unless required by applicable law or agreed to in writing, |
| 12 | +// software distributed under the License is distributed on an |
| 13 | +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 14 | +// KIND, either express or implied. See the License for the |
| 15 | +// specific language governing permissions and limitations |
| 16 | +// under the License. |
| 17 | + |
| 18 | +const { BeforeRequestSent, ResponseStarted } = require('./networkTypes') |
| 19 | + |
| 20 | +class NetworkInspector { |
| 21 | + constructor(driver, browsingContextIds) { |
| 22 | + this._driver = driver |
| 23 | + this._browsingContextIds = browsingContextIds |
| 24 | + } |
| 25 | + |
| 26 | + async init() { |
| 27 | + this.bidi = await this._driver.getBidi() |
| 28 | + } |
| 29 | + |
| 30 | + async beforeRequestSent(callback) { |
| 31 | + await this.subscribeAndHandleEvent('network.beforeRequestSent', callback) |
| 32 | + } |
| 33 | + |
| 34 | + async responseStarted(callback) { |
| 35 | + await this.subscribeAndHandleEvent('network.responseStarted', callback) |
| 36 | + } |
| 37 | + |
| 38 | + async responseCompleted(callback) { |
| 39 | + await this.subscribeAndHandleEvent('network.responseCompleted', callback) |
| 40 | + } |
| 41 | + |
| 42 | + async subscribeAndHandleEvent(eventType, callback) { |
| 43 | + if (this._browsingContextIds != null) { |
| 44 | + await this.bidi.subscribe(eventType, this._browsingContextIds) |
| 45 | + } else { |
| 46 | + await this.bidi.subscribe(eventType) |
| 47 | + } |
| 48 | + await this._on(callback) |
| 49 | + } |
| 50 | + |
| 51 | + async _on(callback) { |
| 52 | + this.ws = await this.bidi.socket |
| 53 | + this.ws.on('message', (event) => { |
| 54 | + const { params } = JSON.parse(Buffer.from(event.toString())) |
| 55 | + if (params) { |
| 56 | + let response = null |
| 57 | + if ('initiator' in params) { |
| 58 | + response = new BeforeRequestSent( |
| 59 | + params.context, |
| 60 | + params.navigation, |
| 61 | + params.redirectCount, |
| 62 | + params.request, |
| 63 | + params.timestamp, |
| 64 | + params.initiator |
| 65 | + ) |
| 66 | + } else if ('response' in params) { |
| 67 | + response = new ResponseStarted( |
| 68 | + params.context, |
| 69 | + params.navigation, |
| 70 | + params.redirectCount, |
| 71 | + params.request, |
| 72 | + params.timestamp, |
| 73 | + params.response |
| 74 | + ) |
| 75 | + } |
| 76 | + callback(response) |
| 77 | + } |
| 78 | + }) |
| 79 | + } |
| 80 | +} |
| 81 | + |
| 82 | +async function getNetworkInspectorInstance(driver, browsingContextIds = null) { |
| 83 | + let instance = new NetworkInspector(driver, browsingContextIds) |
| 84 | + await instance.init() |
| 85 | + return instance |
| 86 | +} |
| 87 | + |
| 88 | +module.exports = getNetworkInspectorInstance |
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