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DOP-5513: allow requests from docs sites #51

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Merged
seungpark merged 5 commits into from
Mar 20, 2025
Merged

DOP-5513: allow requests from docs sites #51

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85a9859
allow origins of netlify and our mongodb domain
seungpark Mar 20, 2025
69ad0cd
update to netlify
seungpark Mar 20, 2025
9583aac
stage changes
seungpark Mar 20, 2025
6c56fdf
address comments
seungpark Mar 20, 2025
f2a2570
revert testing
seungpark Mar 20, 2025
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10 changes: 8 additions & 2 deletions src/app.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import { connect } from './services/client';
import { initDb } from './services/database';
import { initPoolDb } from './services/pool';
import { createMessage, initiateLogger } from './services/logger';
import { getRequestId } from './utils';
import { getRequestId, isPermittedOrigin } from './utils';

interface AppSettings {
mongoClient?: MongoClient;
Expand All @@ -33,13 +33,19 @@ const errorHandler: ErrorRequestHandler = (err, req, res, _next) => {
}
};

const reqHandler: RequestHandler = (req, _res, next) => {
const reqHandler: RequestHandler = (req, res, next) => {
const reqId = new ObjectId().toString();
// Custom header specifically for a request ID. This ID will be used to track
// logs related to the same request
req.headers['req-id'] = reqId;
const message = `Request for: ${req.url}`;
logger.info(createMessage(message, reqId));

// allow cross origin requests from our web servers
const origin = req.headers.origin;
if (origin && isPermittedOrigin(origin)) {
res.append('Access-Control-Allow-Origin', origin);
}
next();
};

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18 changes: 18 additions & 0 deletions src/utils.ts
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Expand Up @@ -24,3 +24,21 @@ export const assertTrailingSlash = (str: string) => {
}
return `${str}/`;
};

const STAGING_HOSTNAME = 'netlify.app';
const PROD_HOSTNAME = 'mongodb.com';

export const isPermittedOrigin = (origin: string | undefined) => {
if (!origin) return false;
let url;
try {
url = new URL(origin);
} catch (err) {
return false;
}
return (
url.protocol === 'https:' &&
(url.hostname.split('.').slice(-2).join('.') === STAGING_HOSTNAME ||
url.hostname.split('.').slice(-2).join('.') === PROD_HOSTNAME)
);
};