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| 1 | +import { fileURLToPath } from 'node:url' |
| 2 | +import { interceptorPlugin } from '@vitest/mocker/node' |
| 3 | +import { createServer } from 'vite' |
| 4 | +import { expect, it, onTestFinished } from 'vitest' |
| 5 | +import { WebSocket } from 'ws' |
| 6 | + |
| 7 | +const root = fileURLToPath( |
| 8 | + new URL('../fixtures/mocker/redirect-security/root', import.meta.url), |
| 9 | +) |
| 10 | + |
| 11 | +async function createMockerServer() { |
| 12 | + const server = await createServer({ |
| 13 | + root, |
| 14 | + configFile: false, |
| 15 | + logLevel: 'silent', |
| 16 | + server: { |
| 17 | + fs: { allow: [root] }, |
| 18 | + }, |
| 19 | + plugins: [ |
| 20 | + { |
| 21 | + name: 'test:virtual-mock', |
| 22 | + enforce: 'pre', |
| 23 | + resolveId(id) { |
| 24 | + if (id === '/mock') { |
| 25 | + return id |
| 26 | + } |
| 27 | + }, |
| 28 | + }, |
| 29 | + interceptorPlugin(), |
| 30 | + ], |
| 31 | + }) |
| 32 | + await server.listen() |
| 33 | + onTestFinished(() => server.close()) |
| 34 | + const port = new URL(server.resolvedUrls!.local[0]).port |
| 35 | + return { server, port } |
| 36 | +} |
| 37 | + |
| 38 | +function registerRedirect(port: string, redirect: string) { |
| 39 | + return new Promise<void>((resolve, reject) => { |
| 40 | + const ws = new WebSocket(`ws://localhost:${port}`, 'vite-hmr') |
| 41 | + const timeout = setTimeout(() => { |
| 42 | + ws.close() |
| 43 | + reject(new Error('timed out waiting for the register result')) |
| 44 | + }, 5000) |
| 45 | + ws.on('message', (raw) => { |
| 46 | + let message: any |
| 47 | + try { |
| 48 | + message = JSON.parse(raw.toString()) |
| 49 | + } |
| 50 | + catch { |
| 51 | + return |
| 52 | + } |
| 53 | + if (message.type === 'custom' && message.event === 'vitest:interceptor:register:result') { |
| 54 | + clearTimeout(timeout) |
| 55 | + ws.close() |
| 56 | + resolve() |
| 57 | + } |
| 58 | + }) |
| 59 | + ws.on('open', () => { |
| 60 | + ws.send(JSON.stringify({ |
| 61 | + type: 'custom', |
| 62 | + event: 'vitest:interceptor:register', |
| 63 | + data: { type: 'redirect', raw: '', id: '/mock', url: '/mock', redirect }, |
| 64 | + })) |
| 65 | + }) |
| 66 | + ws.on('error', reject) |
| 67 | + }) |
| 68 | +} |
| 69 | + |
| 70 | +it('rejects a redirect mock whose target escapes the project root', async () => { |
| 71 | + const { server, port } = await createMockerServer() |
| 72 | + // an opaque URL scheme keeps the `..` segments, so join(root, pathname) |
| 73 | + // resolves outside the root; the mock must not be registered |
| 74 | + await registerRedirect(port, 'traversal:../secret.txt') |
| 75 | + const result = await server.transformRequest('/mock').catch(() => null) |
| 76 | + expect(result).toBe(null) |
| 77 | +}) |
| 78 | + |
| 79 | +it('serves a redirect mock whose target stays inside the project root', async () => { |
| 80 | + const { server, port } = await createMockerServer() |
| 81 | + await registerRedirect(port, 'traversal:inroot.js') |
| 82 | + const result = await server.transformRequest('/mock').catch(() => null) |
| 83 | + expect(result?.code).toContain('in-root-redirect-ok') |
| 84 | +}) |
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