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validate request body

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This commit is contained in:
Sha Zhou 2025-06-13 15:15:01 +08:00
parent 6979031eac
commit 22be63abe1
3 changed files with 44 additions and 2 deletions
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26
package-lock.json generated
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@ -19,6 +19,7 @@
"dotenv": "^16.4.7",
"duck-duck-scrape": "^2.2.7",
"express": "^4.21.2",
"express-validator": "^7.2.1",
"hjson": "^3.2.2",
"jsdom": "^26.0.0",
"node-fetch": "^3.3.2",
@ -4286,6 +4287,18 @@
"url": "https://opencollective.com/express"
}
},
"node_modules/express-validator": {
"version": "7.2.1",
"resolved": "https://registry.npmjs.org/express-validator/-/express-validator-7.2.1.tgz",
"integrity": "sha512-CjNE6aakfpuwGaHQZ3m8ltCG2Qvivd7RHtVMS/6nVxOM7xVGqr4bhflsm4+N5FP5zI7Zxp+Hae+9RE+o8e3ZOQ==",
"dependencies": {
"lodash": "^4.17.21",
"validator": "~13.12.0"
},
"engines": {
"node": ">= 8.0.0"
}
},
"node_modules/express/node_modules/debug": {
"version": "2.6.9",
"resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@ -6307,6 +6320,11 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/lodash": {
"version": "4.17.21",
"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
"integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
},
"node_modules/lodash.memoize": {
"version": "4.1.2",
"resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
@ -8470,6 +8488,14 @@
"@jridgewell/sourcemap-codec": "^1.4.14"
}
},
"node_modules/validator": {
"version": "13.12.0",
"resolved": "https://registry.npmjs.org/validator/-/validator-13.12.0.tgz",
"integrity": "sha512-c1Q0mCiPlgdTVVVIJIrBuxNicYE+t/7oKeI9MWLj3fh/uq2Pxh/3eeWbVZ4OcGW1TUf53At0njHw5SMdA3tmMg==",
"engines": {
"node": ">= 0.10"
}
},
"node_modules/vary": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",

3
package.json
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@ -37,6 +37,7 @@
"dotenv": "^16.4.7",
"duck-duck-scrape": "^2.2.7",
"express": "^4.21.2",
"express-validator": "^7.2.1",
"hjson": "^3.2.2",
"jsdom": "^26.0.0",
"node-fetch": "^3.3.2",
@ -66,4 +67,4 @@
"optionalDependencies": {
"@ai-sdk/google-vertex": "^2.1.12"
}
}
}

17
src/app.ts
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@ -15,6 +15,7 @@ import { ObjectGeneratorSafe } from "./utils/safe-generator";
import { jsonSchema } from "ai"; // or another converter library
import { normalizeHostName } from "./utils/url-tools";
import { logInfo, logError, logDebug, logWarning } from './logging';
import { body, validationResult } from 'express-validator';
const app = express();
@ -375,7 +376,21 @@ async function processQueue(streamingState: StreamingState, res: Response, reque
streamingState.processingQueue = false;
}
app.post('/v1/chat/completions', (async (req: Request, res: Response) => {
const validationRules = [
// Rule: messages is required and must be a string
body('messages')
.isArray({ min: 1 })
.withMessage('The "messages" parameter is required.'),
];
app.post('/v1/chat/completions', validationRules, (async (req: Request, res: Response) => {
// Validate request body
const errors = validationResult(req);
if (!errors.isEmpty()) {
logError('[chat/completions] Validation errors:', { errors: errors.array() });
return res.status(400).json({ error: 'Invalid request body', details: errors.array() });
}
// Check authentication only if secret is set
if (secret) {
const authHeader = req.headers.authorization;