Webfinger: reorganize more
This commit is contained in:
Alex Gleason
parent
9d6216aff7
commit
60cd92384d
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@ -3,19 +3,9 @@ import { db } from '@/db.ts';
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import { nip19, z } from '@/deps.ts';
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import { npubSchema } from '@/schema.ts';
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import type { AppController } from '@/app.ts';
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import type { AppContext, AppController } from '@/app.ts';
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import type { Webfinger } from '@/schemas/webfinger.ts';
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/** Transforms the resource URI into a `[username, domain]` tuple. */
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const acctSchema = z.custom<URL>((value) => value instanceof URL)
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.transform((uri) => uri.pathname)
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.pipe(z.string().email('Invalid acct'))
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.transform((acct) => acct.split('@') as [username: string, host: string])
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.refine(([_username, host]) => host === new URL(Conf.localDomain).hostname, {
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message: 'Host must be local',
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path: ['resource', 'acct'],
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});
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const webfingerQuerySchema = z.object({
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resource: z.string().url(),
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});
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@ -28,69 +18,70 @@ const webfingerController: AppController = (c) => {
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const resource = new URL(query.data.resource);
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const handleAcct = async (): Promise<Response> => {
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try {
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const [username] = acctSchema.parse(resource);
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const user = await db.users.findFirst({ where: { username } });
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c.header('content-type', 'application/jrd+json');
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return c.body(JSON.stringify(renderWebfinger({ ...user, resource })));
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} catch (e) {
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if (e instanceof z.ZodError) {
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return c.json({ error: 'Invalid acct URI', schema: e }, 400);
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} else {
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return c.json({ error: 'Not found' }, 404);
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}
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}
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};
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const handleNostr = async (): Promise<Response> => {
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try {
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const pubkey = npubSchema.parse(resource.pathname);
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const user = await db.users.findFirst({ where: { pubkey } });
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c.header('content-type', 'application/jrd+json');
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return c.body(JSON.stringify(renderWebfinger({ ...user, resource })));
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} catch (e) {
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if (e instanceof z.ZodError) {
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return c.json({ error: 'Invalid Nostr URI', schema: e }, 400);
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} else {
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return c.json({ error: 'Not found' }, 404);
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}
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}
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};
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switch (resource.protocol) {
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case 'acct:': {
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return handleAcct();
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return handleAcct(c, resource);
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}
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case 'nostr:': {
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return handleNostr();
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return handleNostr(c, resource);
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}
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default:
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return c.json({ error: 'Unsupported URI scheme' }, 400);
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}
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};
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const hostMetaController: AppController = (c) => {
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const template = Conf.url('/.well-known/webfinger?resource={uri}');
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/** Transforms the resource URI into a `[username, domain]` tuple. */
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const acctSchema = z.custom<URL>((value) => value instanceof URL)
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.transform((uri) => uri.pathname)
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.pipe(z.string().email('Invalid acct'))
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.transform((acct) => acct.split('@') as [username: string, host: string])
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.refine(([_username, host]) => host === new URL(Conf.localDomain).hostname, {
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message: 'Host must be local',
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path: ['resource', 'acct'],
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});
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c.header('content-type', 'application/xrd+xml');
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return c.body(
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`<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="${template}" type="application/xrd+xml" /></XRD>`,
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);
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};
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async function handleAcct(c: AppContext, resource: URL): Promise<Response> {
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try {
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const [username] = acctSchema.parse(resource);
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const user = await db.users.findFirst({ where: { username } });
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c.header('content-type', 'application/jrd+json');
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return c.body(JSON.stringify(renderWebfinger({ ...user, subject: `acct:${resource.pathname}` })));
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} catch (e) {
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if (e instanceof z.ZodError) {
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return c.json({ error: 'Invalid acct URI', schema: e }, 400);
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} else {
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return c.json({ error: 'Not found' }, 404);
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}
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}
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}
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async function handleNostr(c: AppContext, resource: URL): Promise<Response> {
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try {
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const pubkey = npubSchema.parse(resource.pathname);
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const user = await db.users.findFirst({ where: { pubkey } });
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c.header('content-type', 'application/jrd+json');
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return c.body(JSON.stringify(renderWebfinger({ ...user, subject: `nostr:${resource.pathname}` })));
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} catch (e) {
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if (e instanceof z.ZodError) {
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return c.json({ error: 'Invalid Nostr URI', schema: e }, 400);
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} else {
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return c.json({ error: 'Not found' }, 404);
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}
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}
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}
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interface RenderWebfingerOpts {
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pubkey: string;
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username: string;
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resource: URL;
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subject: string;
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}
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/** Present Nostr user on Webfinger. */
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function renderWebfinger({ pubkey, username, resource }: RenderWebfingerOpts): Webfinger {
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function renderWebfinger({ pubkey, username, subject }: RenderWebfingerOpts): Webfinger {
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const apId = Conf.url(`/users/${username}`);
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return {
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subject: resource.toString(),
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subject,
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aliases: [apId],
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links: [
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{
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@ -112,4 +103,13 @@ function renderWebfinger({ pubkey, username, resource }: RenderWebfingerOpts): W
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};
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}
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const hostMetaController: AppController = (c) => {
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const template = Conf.url('/.well-known/webfinger?resource={uri}');
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c.header('content-type', 'application/xrd+xml');
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return c.body(
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`<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="${template}" type="application/xrd+xml" /></XRD>`,
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);
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};
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export { hostMetaController, webfingerController };
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