alice.pds.demo.boltless.dev
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avatar: let PLC_DIRECTORY_URL point the resolver elsewhere
Signed-off-by: dawn <dawn@tangled.org>
author
dawn
date
(Jul 31, 2026, 10:54 PM +0300)
commit
c3a55d42
c3a55d4216e8436bf0779de772a2ddc669a68954
parent
857ef538
857ef538e5a6918c65da4a692fbb7da26b6b5847
change-id
olxzwmxm
olxzwmxmtuxvzzsxlmyrxqpznpmozlmz
+24
-11
+3
avatar/readme.md
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avatar/readme.md
···
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avatar is a small service that fetches your pretty Bluesky avatar and caches it on Cloudflare.
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It uses a shared secret `AVATAR_SHARED_SECRET` to ensure requests only originate from the trusted appview.
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Set `PLC_DIRECTORY_URL` to resolve DIDs somewhere other than <https://plc.directory>,
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which a self-hosted network needs.
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It's deployed using `wrangler` like so:
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```
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avatar/src/index.js
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avatar/src/index.js
···
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},
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});
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const didDocumentResolver = new CompositeDidDocumentResolver({
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methods: {
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plc: new PlcDidDocumentResolver(),
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web: new WebDidDocumentResolver(),
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},
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});
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// env only reaches us inside fetch, so the resolver is built on the first
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// request and kept after that
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let actorResolver;
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let resolverApiUrl;
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const actorResolver = new LocalActorResolver({
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handleResolver,
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didDocumentResolver,
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});
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const getActorResolver = (env) => {
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const apiUrl = env.PLC_DIRECTORY_URL || undefined;
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if (!actorResolver || resolverApiUrl !== apiUrl) {
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resolverApiUrl = apiUrl;
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actorResolver = new LocalActorResolver({
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handleResolver,
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didDocumentResolver: new CompositeDidDocumentResolver({
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methods: {
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plc: new PlcDidDocumentResolver(apiUrl ? { apiUrl } : {}),
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web: new WebDidDocumentResolver(),
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},
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}),
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});
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}
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return actorResolver;
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};
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export default {
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async fetch(request, env) {
···
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const getTangledAvatarFromPDS = async (actor) => {
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try {
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// Resolve the identity
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const identity = await actorResolver.resolve(actor);
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const identity = await getActorResolver(env).resolve(actor);
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if (!identity) {
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console.log({
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level: "debug",