67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
import type { IChallengeHandler } from './IChallengeHandler.js';
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/**
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* HTTP-01 ACME challenge handler using in-memory storage.
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* Stores challenge tokens and key authorizations in memory
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* and serves them via handleRequest for arbitrary HTTP servers.
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*/
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export interface Http01MemoryHandlerChallenge {
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type: string;
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token: string;
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keyAuthorization: string;
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webPath: string;
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}
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export class Http01MemoryHandler implements IChallengeHandler<Http01MemoryHandlerChallenge> {
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private store: Map<string, string> = new Map();
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public getSupportedTypes(): string[] {
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return ['http-01'];
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}
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public async prepare(ch: Http01MemoryHandlerChallenge): Promise<void> {
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this.store.set(ch.token, ch.keyAuthorization);
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}
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public async verify(_ch: Http01MemoryHandlerChallenge): Promise<void> {
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// No-op
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return;
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}
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public async cleanup(ch: Http01MemoryHandlerChallenge): Promise<void> {
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this.store.delete(ch.token);
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}
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/**
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* HTTP request handler for serving ACME HTTP-01 challenges.
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* @param req HTTP request object (should have url property)
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* @param res HTTP response object
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* @param next Optional next() callback for Express-style fallthrough
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*/
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public handleRequest(req: any, res: any, next?: () => void): void {
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const url = req.url || '';
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const prefix = '/.well-known/acme-challenge/';
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if (!url.startsWith(prefix)) {
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if (next) {
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return next();
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}
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res.statusCode = 404;
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return res.end();
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}
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const token = url.slice(prefix.length);
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const keyAuth = this.store.get(token);
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if (keyAuth !== undefined) {
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if (typeof res.status === 'function' && typeof res.send === 'function') {
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return res.status(200).send(keyAuth);
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}
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res.statusCode = 200;
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res.setHeader('content-type', 'text/plain');
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return res.end(keyAuth);
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}
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if (next) {
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return next();
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}
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res.statusCode = 404;
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return res.end();
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}
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} |