0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
55 lines
2.0 KiB
TypeScript
55 lines
2.0 KiB
TypeScript
import { UniversalResolver, DidDht, DidWeb } from '@web5/dids';
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const workerSelf = self as any;
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const DidResolver = new UniversalResolver({ didResolvers: [DidDht, DidWeb] });
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const didUrlRegex = /^https?:\/\/dweb\/(([^/]+)\/.*)?$/;
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const httpToHttpsRegex = /^http:/;
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const trailingSlashRegex = /\/$/;
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workerSelf.addEventListener('fetch', event => {
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const match = event.request.url.match(didUrlRegex);
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if (match) {
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event.respondWith((async () => {
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const normalizedUrl = event.request.url.replace(httpToHttpsRegex, 'https:').replace(trailingSlashRegex, '');
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const cachedResponse = await caches.open('drl').then(cache => cache.match(normalizedUrl));
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return cachedResponse || handleEvent(event, match[2], match[1]);
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})());
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}
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});
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async function handleEvent(event, did, route){
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try {
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const result = await DidResolver.resolve(did);
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return await fetchResource(event, result.didDocument, route);
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}
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catch(error){
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if (error instanceof Response) {
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return error;
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}
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console.log(`Error in DID URL fetch: ${error}`);
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return new Response('DID URL fetch error', { status: 500 });
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}
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}
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async function fetchResource(event, ddo, route) {
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let endpoints = ddo?.service?.find(service => service.type === 'DecentralizedWebNode')?.serviceEndpoint;
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endpoints = (Array.isArray(endpoints) ? endpoints : [endpoints]).filter(url => url.startsWith('http'));
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if (!endpoints?.length) {
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throw new Response('DWeb Node resolution failed: no valid endpoints found.', { status: 530 });
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}
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for (const endpoint of endpoints) {
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try {
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const response = await fetch(`${endpoint.replace(trailingSlashRegex, '')}/${route}`, { headers: event.request.headers });
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if (response.ok) {
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return response;
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}
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console.log(`DWN endpoint error: ${response.status}`);
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return new Response('DWeb Node request failed', { status: response.status });
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}
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catch (error) {
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console.log(`DWN endpoint error: ${error}`);
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return new Response('DWeb Node request failed: ' + error, { status: 500 });
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}
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}
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} |