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Merge branch 'nostrconnect' into 'main' 

NIP-46 client auth first pass

See merge request soapbox-pub/ditto!247
This commit is contained in:
Alex Gleason 2024-05-12 21:57:15 +00:00
parent 4b7804872c dc8010a78e
commit 2010483089
5 changed files with 99 additions and 37 deletions
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20
src/controllers/api/instance.ts
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@ -1,25 +1,19 @@
import { NSchema as n } from '@nostrify/nostrify';
import { type AppController } from '@/app.ts';
import { AppController } from '@/app.ts';
import { Conf } from '@/config.ts';
import { serverMetaSchema } from '@/schemas/nostr.ts';
import { Storages } from '@/storages.ts';
import { getInstanceMetadata } from '@/utils/instance.ts';
const instanceController: AppController = async (c) => {
const { host, protocol } = Conf.url;
const { signal } = c.req.raw;
const [event] = await Storages.db.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
const meta = n.json().pipe(serverMetaSchema).catch({}).parse(event?.content);
const meta = await getInstanceMetadata(c.req.raw.signal);
/** 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: meta.name ?? 'Ditto',
description: meta.about ?? 'Nostr and the Fediverse',
short_description: meta.tagline ?? meta.about ?? 'Nostr and the Fediverse',
title: meta.name,
description: meta.about,
short_description: meta.tagline,
registrations: true,
max_toot_chars: Conf.postCharLimit,
configuration: {
@ -59,7 +53,7 @@ const instanceController: AppController = async (c) => {
streaming_api: `${wsProtocol}//${host}`,
},
version: '0.0.0 (compatible; Ditto 0.0.1)',
email: meta.email ?? `postmaster@${host}`,
email: meta.email,
nostr: {
pubkey: Conf.pubkey,
relay: `${wsProtocol}//${host}/relay`,

37
src/controllers/api/oauth.ts
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@ -1,10 +1,12 @@
import { encodeBase64 } from '@std/encoding/base64';
import { nip19 } from 'nostr-tools';
import { z } from 'zod';
import { lodash } from '@/deps.ts';
import { AppController } from '@/app.ts';
import { lodash } from '@/deps.ts';
import { nostrNow } from '@/utils.ts';
import { parseBody } from '@/utils/api.ts';
import { getClientConnectUri } from '@/utils/connect.ts';
const passwordGrantSchema = z.object({
grant_type: z.literal('password'),
@ -60,25 +62,16 @@ const createTokenController: AppController = async (c) => {
};
/** Display the OAuth form. */
const oauthController: AppController = (c) => {
const oauthController: AppController = async (c) => {
const encodedUri = c.req.query('redirect_uri');
if (!encodedUri) {
return c.text('Missing `redirect_uri` query param.', 422);
}
const redirectUri = maybeDecodeUri(encodedUri);
const connectUri = await getClientConnectUri(c.req.raw.signal);
c.res.headers.set(
'content-security-policy',
"default-src 'self' 'sha256-m2qD6rbE2Ixbo2Bjy2dgQebcotRIAawW7zbmXItIYAM='",
);
return c.html(`<!DOCTYPE html>
<html lang="en">
<head>
<title>Log in with Ditto</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<script>
const script = `
window.addEventListener('load', function() {
if ('nostr' in window) {
nostr.getPublicKey().then(function(pubkey) {
@ -87,7 +80,21 @@ const oauthController: AppController = (c) => {
});
}
});
</script>
`;
const hash = encodeBase64(await crypto.subtle.digest('SHA-256', new TextEncoder().encode(script)));
c.res.headers.set(
'content-security-policy',
`default-src 'self' 'sha256-${hash}'`,
);
return c.html(`<!DOCTYPE html>
<html lang="en">
<head>
<title>Log in with Ditto</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<script>${script}</script>
</head>
<body>
<form id="oauth_form" action="/oauth/authorize" method="post">
@ -96,6 +103,8 @@ const oauthController: AppController = (c) => {
<input type="hidden" name="redirect_uri" id="redirect_uri" value="${lodash.escape(redirectUri)}">
<button type="submit">Authorize</button>
</form>
<br>
<a href="${lodash.escape(connectUri)}">Nostr Connect</a>
</body>
</html>
`);

15
src/controllers/nostr/relay-info.ts
View File

@ -1,20 +1,15 @@
import { NSchema as n } from '@nostrify/nostrify';
import { AppController } from '@/app.ts';
import { Conf } from '@/config.ts';
import { serverMetaSchema } from '@/schemas/nostr.ts';
import { Storages } from '@/storages.ts';
import { getInstanceMetadata } from '@/utils/instance.ts';
const relayInfoController: AppController = async (c) => {
const { signal } = c.req.raw;
const [event] = await Storages.db.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
const meta = n.json().pipe(serverMetaSchema).catch({}).parse(event?.content);
const meta = await getInstanceMetadata(c.req.raw.signal);
return c.json({
name: meta.name ?? 'Ditto',
description: meta.about ?? 'Nostr and the Fediverse.',
name: meta.name,
description: meta.about,
pubkey: Conf.pubkey,
contact: `mailto:${meta.email ?? `postmaster@${Conf.url.host}`}`,
contact: meta.email,
supported_nips: [1, 5, 9, 11, 16, 45, 50, 46, 98],
software: 'Ditto',
version: '0.0.0',

27
src/utils/connect.ts Normal file
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@ -0,0 +1,27 @@
import { Conf } from '@/config.ts';
import { getInstanceMetadata } from '@/utils/instance.ts';
/** NIP-46 client-connect metadata. */
interface ConnectMetadata {
name: string;
description: string;
url: string;
}
/** Get NIP-46 `nostrconnect://` URI for the Ditto server. */
export async function getClientConnectUri(signal?: AbortSignal): Promise<string> {
const uri = new URL('nostrconnect://');
const { name, tagline } = await getInstanceMetadata(signal);
const metadata: ConnectMetadata = {
name,
description: tagline,
url: Conf.localDomain,
};
uri.host = Conf.pubkey;
uri.searchParams.set('relay', Conf.relay);
uri.searchParams.set('metadata', JSON.stringify(metadata));
return uri.toString();
}

37
src/utils/instance.ts Normal file
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@ -0,0 +1,37 @@
import { NostrEvent, NostrMetadata, NSchema as n } from '@nostrify/nostrify';
import { Conf } from '@/config.ts';
import { serverMetaSchema } from '@/schemas/nostr.ts';
import { Storages } from '@/storages.ts';
/** Like NostrMetadata, but some fields are required and also contains some extra fields. */
export interface InstanceMetadata extends NostrMetadata {
name: string;
about: string;
tagline: string;
email: string;
event?: NostrEvent;
}
/** Get and parse instance metadata from the kind 0 of the admin user. */
export async function getInstanceMetadata(signal?: AbortSignal): Promise<InstanceMetadata> {
const [event] = await Storages.db.query(
[{ kinds: [0], authors: [Conf.pubkey], limit: 1 }],
{ signal },
);
const meta = n
.json()
.pipe(serverMetaSchema)
.catch({})
.parse(event?.content);
return {
...meta,
name: meta.name ?? 'Ditto',
about: meta.about ?? 'Nostr community server',
tagline: meta.tagline ?? meta.about ?? 'Nostr community server',
email: meta.email ?? `postmaster@${Conf.url.host}`,
event,
};
}