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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import { v4 as uuid } from 'uuid';
import { bindThis } from '@/decorators.js';
import type { Config } from '@/config.js';
import { DI } from '@/di-symbols.js';
import { MastodonClientService } from '@/server/api/mastodon/MastodonClientService.js';
import { getErrorData } from '@/server/api/mastodon/MastodonLogger.js';
import { ServerUtilityService } from '@/server/ServerUtilityService.js';
import type { FastifyInstance } from 'fastify';
const kinds = [
'read:account',
'write:account',
'read:blocks',
'write:blocks',
'read:drive',
'write:drive',
'read:favorites',
'write:favorites',
'read:following',
'write:following',
'read:messaging',
'write:messaging',
'read:mutes',
'write:mutes',
'write:notes',
'read:notifications',
'write:notifications',
'read:reactions',
'write:reactions',
'write:votes',
'read:pages',
'write:pages',
'write:page-likes',
'read:page-likes',
'read:user-groups',
'write:user-groups',
'read:channels',
'write:channels',
'read:gallery',
'write:gallery',
'read:gallery-likes',
'write:gallery-likes',
];
@Injectable()
export class OAuth2ProviderService {
constructor(
@Inject(DI.config)
private config: Config,
private readonly mastodonClientService: MastodonClientService,
private readonly serverUtilityService: ServerUtilityService,
) { }
// https://datatracker.ietf.org/doc/html/rfc8414.html
// https://indieauth.spec.indieweb.org/#indieauth-server-metadata
public generateRFC8414() {
return {
issuer: this.config.webUrl,
authorization_endpoint: new URL('/oauth/authorize', this.config.webUrl),
token_endpoint: new URL('/oauth/token', this.config.webUrl),
scopes_supported: kinds,
response_types_supported: ['code'],
grant_types_supported: ['authorization_code'],
service_documentation: 'https://misskey-hub.net',
code_challenge_methods_supported: ['S256'],
authorization_response_iss_parameter_supported: true,
};
}
@bindThis
public async createServer(fastify: FastifyInstance): Promise<void> {
// https://datatracker.ietf.org/doc/html/rfc8414.html
// https://indieauth.spec.indieweb.org/#indieauth-server-metadata
/* fastify.get('/.well-known/oauth-authorization-server', async (_request, reply) => {
reply.send({
issuer: this.config.webUrl,
authorization_endpoint: new URL('/oauth/authorize', this.config.webUrl),
token_endpoint: new URL('/oauth/token', this.config.webUrl),
scopes_supported: kinds,
response_types_supported: ['code'],
grant_types_supported: ['authorization_code'],
service_documentation: 'https://misskey-hub.net',
code_challenge_methods_supported: ['S256'],
authorization_response_iss_parameter_supported: true,
});
}); */
this.serverUtilityService.addMultipartFormDataContentType(fastify);
this.serverUtilityService.addFormUrlEncodedContentType(fastify);
this.serverUtilityService.addCORS(fastify);
this.serverUtilityService.addFlattenedQueryType(fastify);
for (const url of ['/authorize', '/authorize/']) {
fastify.get<{ Querystring: Record<string, string | string[] | undefined> }>(url, async (request, reply) => {
if (typeof(request.query.client_id) !== 'string') return reply.code(400).send({ error: 'BAD_REQUEST', error_description: 'Missing required query "client_id"' });
const redirectUri = new URL(Buffer.from(request.query.client_id, 'base64').toString());
redirectUri.searchParams.set('mastodon', 'true');
if (request.query.state) redirectUri.searchParams.set('state', String(request.query.state));
if (request.query.redirect_uri) redirectUri.searchParams.set('redirect_uri', String(request.query.redirect_uri));
return reply.redirect(redirectUri.toString());
});
}
fastify.post<{ Body?: Record<string, string | string[] | undefined>, Querystring: Record<string, string | string[] | undefined> }>('/token', async (request, reply) => {
const body = request.body ?? request.query;
if (body.grant_type === 'client_credentials') {
const ret = {
access_token: uuid(),
token_type: 'Bearer',
scope: 'read',
created_at: Math.floor(new Date().getTime() / 1000),
};
return reply.send(ret);
}
try {
if (!body.client_secret) return reply.code(400).send({ error: 'BAD_REQUEST', error_description: 'Missing required query "client_secret"' });
const clientId = body.client_id ? String(body.clientId) : null;
const secret = String(body.client_secret);
const code = body.code ? String(body.code) : '';
// TODO fetch the access token directly, then remove all oauth code from megalodon
const client = this.mastodonClientService.getClient(request);
const atData = await client.fetchAccessToken(clientId, secret, code);
const ret = {
access_token: atData.accessToken,
token_type: 'Bearer',
scope: atData.scope || body.scope || 'read write follow push',
created_at: atData.createdAt || Math.floor(new Date().getTime() / 1000),
};
return reply.send(ret);
} catch (e: unknown) {
const data = getErrorData(e);
return reply.code(401).send(data);
}
});
}
}
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