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| 1 | +/* |
| 2 | + * Zed Attack Proxy (ZAP) and its related source files. |
| 3 | + * |
| 4 | + * ZAP is an HTTP/HTTPS proxy for assessing web application security. |
| 5 | + * |
| 6 | + * Copyright 2025 The ZAP Development Team |
| 7 | + * |
| 8 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | + * you may not use this file except in compliance with the License. |
| 10 | + * You may obtain a copy of the License at |
| 11 | + * |
| 12 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | + * |
| 14 | + * Unless required by applicable law or agreed to in writing, software |
| 15 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | + * See the License for the specific language governing permissions and |
| 18 | + * limitations under the License. |
| 19 | + */ |
| 20 | +import {Request, Response} from 'express'; |
| 21 | +import http from 'http'; |
| 22 | +import JsonServer from 'json-server'; |
| 23 | + |
| 24 | +class ZapServer { |
| 25 | + server: http.Server; |
| 26 | + |
| 27 | + events: Array<object>; |
| 28 | + |
| 29 | + incZapEvents = false; |
| 30 | + |
| 31 | + constructor(events: Array<object>, port: number) { |
| 32 | + this.events = events; |
| 33 | + const app = JsonServer.create(); |
| 34 | + |
| 35 | + app.use(JsonServer.bodyParser); |
| 36 | + app.post('/JSON/client/action/:action', (req: Request, res: Response) => { |
| 37 | + const action = req.params; |
| 38 | + const {body} = req; |
| 39 | + const msg = JSON.stringify({action, body}); |
| 40 | + if (this.incZapEvents || msg.indexOf('localzap') === -1) { |
| 41 | + // Ignore localzap events |
| 42 | + this.events[this.getInsertPosition(body)] = { |
| 43 | + action, |
| 44 | + body: this.normalizeJson(body), |
| 45 | + }; |
| 46 | + } |
| 47 | + res.sendStatus(200); |
| 48 | + }); |
| 49 | + |
| 50 | + this.server = app.listen(port, () => {}); |
| 51 | + } |
| 52 | + |
| 53 | + public setRecordZapEvents(include: boolean): void { |
| 54 | + this.incZapEvents = include; |
| 55 | + } |
| 56 | + |
| 57 | + public async close(): Promise<void> { |
| 58 | + return new Promise((resolve) => { |
| 59 | + this.server.close(() => { |
| 60 | + resolve(); |
| 61 | + }); |
| 62 | + }); |
| 63 | + } |
| 64 | + |
| 65 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 66 | + private getInsertPosition(body: any): number { |
| 67 | + const statementJson = body?.statementJson; |
| 68 | + if (statementJson) { |
| 69 | + const index = JSON.parse(statementJson)?.index; |
| 70 | + if (index) { |
| 71 | + return index - 1; |
| 72 | + } |
| 73 | + } |
| 74 | + return this.events.length; |
| 75 | + } |
| 76 | + |
| 77 | + private toJsonWithoutDynamicValues(value: string): string { |
| 78 | + return JSON.parse( |
| 79 | + value |
| 80 | + .replace(/timestamp":\d+/g, 'timestamp": "TIMESTAMP"') |
| 81 | + .replace(/Recorded by [^\\]+?"/g, 'Recorded by comment"') |
| 82 | + .replace(/browserType":"[^\\]+?"/g, 'browserType":"browser"') |
| 83 | + ); |
| 84 | + } |
| 85 | + |
| 86 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 87 | + private normalizeJson(body: any): any { |
| 88 | + ['eventJson', 'statementJson', 'objectJson'].forEach((name) => { |
| 89 | + const value = body[name]; |
| 90 | + if (value) { |
| 91 | + body[name] = this.toJsonWithoutDynamicValues(value); |
| 92 | + } |
| 93 | + }); |
| 94 | + return body; |
| 95 | + } |
| 96 | +} |
| 97 | + |
| 98 | +export {ZapServer}; |
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