Configure server from the kind 0 event of the admin user

src/config.ts

@@ -58,10 +58,6 @@ const Conf = {
   get postCharLimit() {
     return Number(Deno.env.get('POST_CHAR_LIMIT') || 5000);
   },
-  /** Admin contact to expose through various endpoints. This information is public. */
-  get adminEmail() {
-    return Deno.env.get('ADMIN_EMAIL') || 'webmaster@localhost';
-  },
   /** S3 media storage configuration. */
   s3: {
     get endPoint() {

src/controllers/api/instance.ts

@@ -1,17 +1,22 @@
 import { type AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
+import { jsonServerMetaSchema } from '@/schemas/nostr.ts';
+import { eventsDB } from '@/storages.ts';
 
-const instanceController: AppController = (c) => {
+const instanceController: AppController = async (c) => {
   const { host, protocol } = Conf.url;
 
+  const [event] = await eventsDB.filter([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }]);
+  const meta = jsonServerMetaSchema.parse(event?.content);
+
   /** Protocol to use for WebSocket URLs, depending on the protocol of the `LOCAL_DOMAIN`. */
   const wsProtocol = protocol === 'http:' ? 'ws:' : 'wss:';
 
   return c.json({
     uri: host,
-    title: 'Ditto',
+    title: meta.name ?? 'Ditto',
-    description: 'Nostr and the Fediverse',
+    description: meta.about ?? 'Nostr and the Fediverse',
-    short_description: 'Nostr and the Fediverse',
+    short_description: meta.tagline ?? 'Nostr and the Fediverse',
     registrations: Conf.registrations,
     max_toot_chars: Conf.postCharLimit,
     configuration: {
@@ -49,7 +54,7 @@ const instanceController: AppController = (c) => {
       streaming_api: `${wsProtocol}//${host}`,
     },
     version: '0.0.0 (compatible; Ditto 0.0.1)',
-    email: Conf.adminEmail,
+    email: meta.email ?? `postmaster@${host}`,
     nostr: {
       pubkey: Conf.pubkey,
       relay: `${wsProtocol}//${host}/relay`,

src/controllers/nostr/relay-info.ts

@@ -1,13 +1,18 @@
 import { AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
+import { jsonServerMetaSchema } from '@/schemas/nostr.ts';
+import { eventsDB } from '@/storages.ts';
+
+const relayInfoController: AppController = async (c) => {
+  const [event] = await eventsDB.filter([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }]);
+  const meta = jsonServerMetaSchema.parse(event?.content);
 
-const relayInfoController: AppController = (c) => {
   return c.json({
-    name: 'Ditto',
+    name: meta.name ?? 'Ditto',
-    description: 'Nostr and the Fediverse.',
+    description: meta.about ?? 'Nostr and the Fediverse.',
     pubkey: Conf.pubkey,
-    contact: `mailto:${Conf.adminEmail}`,
+    contact: `mailto:${meta.email ?? `postmaster@${Conf.url.host}`}`,
-    supported_nips: [1, 5, 9, 11, 16, 45, 46, 98],
+    supported_nips: [1, 5, 9, 11, 16, 45, 50, 46, 98],
     software: 'Ditto',
     version: '0.0.0',
     limitation: {

src/schemas/nostr.ts

@@ -85,6 +85,12 @@ const mediaDataSchema = z.object({
   width: z.number().int().positive().optional().catch(undefined),
 });
 
+/** Kind 0 content schema for the Ditto server admin user. */
+const serverMetaSchema = metaContentSchema.extend({
+  tagline: z.string().optional().catch(undefined),
+  email: z.string().optional().catch(undefined),
+});
+
 /** Media data from `"media"` tags. */
 type MediaData = z.infer<typeof mediaDataSchema>;
 
@@ -94,6 +100,9 @@ const jsonMetaContentSchema = jsonSchema.pipe(metaContentSchema).catch({});
 /** Parses media data from a JSON string. */
 const jsonMediaDataSchema = jsonSchema.pipe(mediaDataSchema).catch({});
 
+/** Parses server admin meta from a JSON string. */
+const jsonServerMetaSchema = jsonSchema.pipe(serverMetaSchema).catch({});
+
 /** NIP-11 Relay Information Document. */
 const relayInfoDocSchema = z.object({
   name: z.string().transform((val) => val.slice(0, 30)).optional().catch(undefined),
@@ -130,6 +139,7 @@ export {
   filterSchema,
   jsonMediaDataSchema,
   jsonMetaContentSchema,
+  jsonServerMetaSchema,
   type MediaData,
   mediaDataSchema,
   metaContentSchema,