52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
interface Env {}
|
|
|
|
const HOST = "zap.stream";
|
|
|
|
export const onRequest: PagesFunction<Env> = async context => {
|
|
const u = new URL(context.request.url);
|
|
|
|
const prefixes = ["npub1", "nprofile1", "naddr1", "nevent1", "note1"];
|
|
const isEntityPath = prefixes.some(
|
|
a => u.pathname.startsWith(`/${a}`) || u.pathname.startsWith(`/e/${a}`) || u.pathname.startsWith(`/p/${a}`),
|
|
);
|
|
const nostrAddress = u.pathname.match(/^\/([a-zA-Z0-9_]+)$/i);
|
|
const next = await context.next();
|
|
if (u.pathname != "/" && (isEntityPath || nostrAddress)) {
|
|
//console.log("Handeling path: ", u.pathname, isEntityPath, nostrAddress[1]);
|
|
try {
|
|
let id = u.pathname.split("/").at(-1);
|
|
if (!isEntityPath && nostrAddress) {
|
|
id = `${id}@${HOST}`;
|
|
}
|
|
const fetchApi = `https://nostr.api.v0l.io/api/v1/opengraph/${id}?canonical=${encodeURIComponent(
|
|
`https://${HOST}/%s`,
|
|
)}`;
|
|
console.log("Fetching tags from: ", fetchApi);
|
|
const reqBuf = await next.arrayBuffer();
|
|
const rsp = await fetch(fetchApi, {
|
|
method: "POST",
|
|
body: reqBuf,
|
|
headers: {
|
|
"user-agent": `SnortFunctions/1.0 (https://${HOST})`,
|
|
"content-type": "text/html",
|
|
accept: "text/html",
|
|
},
|
|
});
|
|
if (rsp.ok) {
|
|
const body = await rsp.text();
|
|
if (body.length > 0) {
|
|
return new Response(body, {
|
|
headers: {
|
|
...Object.fromEntries(rsp.headers.entries()),
|
|
"cache-control": "public, max-age=60",
|
|
},
|
|
});
|
|
}
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
}
|
|
return next;
|
|
};
|