graham.systems
Resolve your Bluesky avatar with a human URL
silhouette.town
atproto
deno
serve help text at root route
+33
main.ts
+33
main.ts
···
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import { isActorIdentifier } from "@atcute/lexicons/syntax";
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import { AppBskyActorProfile } from "@atcute/bluesky";
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const ROOT = new URLPattern({ pathname: "/" });
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const IDENTIFIER_ROUTE = new URLPattern({ pathname: "/avatar/:identifier" });
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const slingshot = new Client({
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handler: simpleFetchHandler({ service: "https://slingshot.microcosm.blue" }),
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});
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function generateSpiel(origin: string) {
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return `<h1>
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silhouette
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</h1>
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<p>
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Quickly get the URL to your Bluesky profile photo using an identifier (handle or DID). Go to:
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</p>
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<p>
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<code>${origin}/avatar/<your-identifier></code>
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</p>
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<p>
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For example:
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<a href="${origin}/avatar/graham.systems">
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${origin}/avatar/graham.systems
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</a>
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</p>`;
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}
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// Algorithm:
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// 1. Resolve minidoc from identifier in URL
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// 2. Resolve Bluesky actor profile from PDS
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// 3. Return 303 with profile picture blob URL
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export async function handler(req: Request): Promise<Response> {
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if (ROOT.exec(req.url)) {
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const url = new URL(req.url);
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return new Response(generateSpiel(url.origin), {
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status: STATUS_CODE.OK,
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statusText: STATUS_TEXT[STATUS_CODE.OK],
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headers: {
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"Content-Type": "text/html",
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},
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});
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}
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const match = IDENTIFIER_ROUTE.exec(req.url);
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if (!match) {