Fixed 267U.pre2

2026-07-26 18:25:37 +09:00
parent 50bfaeafdf
commit 317d00a284
1286 changed files with 80222 additions and 1 deletions
@@ -0,0 +1,68 @@
+import { URL } from "node:url";
+import { getJson, getResponse } from "../misc/fetch.js";
+import config from "../config/index.js";
+import { XMLParser } from "fast-xml-parser";
+export default async function(query) {
+    const hostMetaUrl = queryToHostMetaUrl(query);
+    const webFingerTemplate = await hostMetaToWebFingerTemplate(hostMetaUrl) ?? queryToWebFingerTemplate(query);
+    const url = genWebFingerUrl(query, webFingerTemplate);
+    return await getJson(url, "application/jrd+json, application/json");
+}
+async function hostMetaToWebFingerTemplate(url) {
+    try {
+        const res = await getResponse({
+            url,
+            method: "GET",
+            headers: Object.assign({
+                "User-Agent": config.userAgent,
+                Accept: "application/xrd+xml"
+            }, {}),
+            timeout: 10000
+        });
+        const options = {
+            ignoreAttributes: false,
+            isArray: (_name, jpath)=>jpath === 'XRD.Link'
+        };
+        const parser = new XMLParser(options);
+        const hostMeta = parser.parse(await res.text());
+        const template = hostMeta['XRD']['Link'].filter((p)=>p['@_rel'] === 'lrdd')[0]['@_template'];
+        return template.indexOf('{uri}') < 0 ? null : template;
+    } catch  {
+        return null;
+    }
+}
+function queryToWebFingerTemplate(query) {
+    if (query.match(/^https?:\/\//)) {
+        const u = new URL(query);
+        return `${u.protocol}//${u.hostname}/.well-known/webfinger?resource={uri}`;
+    }
+    const m = query.match(/^([^@]+)@(.*)/);
+    if (m) {
+        const hostname = m[2];
+        return `https://${hostname}/.well-known/webfinger?resource={uri}`;
+    }
+    throw new Error(`Invalid query (${query})`);
+}
+function queryToHostMetaUrl(query) {
+    if (query.match(/^https?:\/\//)) {
+        const u = new URL(query);
+        return `${u.protocol}//${u.hostname}/.well-known/host-meta`;
+    }
+    const m = query.match(/^([^@]+)@(.*)/);
+    if (m) {
+        const hostname = m[2];
+        return `https://${hostname}/.well-known/host-meta`;
+    }
+    throw new Error(`Invalid query (${query})`);
+}
+function genWebFingerUrl(query, webFingerTemplate) {
+    if (webFingerTemplate.indexOf('{uri}') < 0) throw new Error(`Invalid webFingerUrl: ${webFingerTemplate}`);
+    if (query.match(/^https?:\/\//)) {
+        return webFingerTemplate.replace('{uri}', encodeURIComponent(query));
+    }
+    const m = query.match(/^([^@]+)@(.*)/);
+    if (m) {
+        return webFingerTemplate.replace('{uri}', encodeURIComponent(`acct:${query}`));
+    }
+    throw new Error(`Invalid query (${query})`);
+}