iceshrimp-legacy/packages/backend/src/server/api/authenticate.ts
2022-07-19 09:29:04 +02:00

84 lines
2.4 KiB
TypeScript

import isNativeToken from './common/is-native-token.js';
import { CacheableLocalUser, ILocalUser } from '@/models/entities/user.js';
import { Users, AccessTokens, Apps } from '@/models/index.js';
import { AccessToken } from '@/models/entities/access-token.js';
import { Cache } from '@/misc/cache.js';
import { App } from '@/models/entities/app.js';
import { localUserByIdCache, localUserByNativeTokenCache } from '@/services/user-cache.js';
const appCache = new Cache<App>(Infinity);
export class AuthenticationError extends Error {
constructor(message: string) {
super(message);
this.name = 'AuthenticationError';
}
}
export default async (authorization: string | null | undefined, bodyToken: string | null): Promise<[CacheableLocalUser | null | undefined, AccessToken | null | undefined]> => {
let token: string | null = null;
// check if there is an authorization header set
if (authorization != null) {
if (bodyToken != null) {
throw new AuthenticationError('using multiple authorization schemes');
}
// check if OAuth 2.0 Bearer tokens are being used
// Authorization schemes are case insensitive
if (authorization.substring(0, 7).toLowerCase() === 'bearer ') {
token = authorization.substring(7);
} else {
throw new AuthenticationError('unsupported authentication scheme');
}
} else if (bodyToken != null) {
token = bodyToken;
} else {
return [null, null];
}
if (isNativeToken(token)) {
const user = await localUserByNativeTokenCache.fetch(token,
() => Users.findOneBy({ token }) as Promise<ILocalUser | null>);
if (user == null) {
throw new AuthenticationError('unknown token');
}
return [user, null];
} else {
const accessToken = await AccessTokens.findOne({
where: [{
hash: token.toLowerCase(), // app
}, {
token: token, // miauth
}],
});
if (accessToken == null) {
throw new AuthenticationError('unknown token');
}
AccessTokens.update(accessToken.id, {
lastUsedAt: new Date(),
});
const user = await localUserByIdCache.fetch(accessToken.userId,
() => Users.findOneBy({
id: accessToken.userId,
}) as Promise<ILocalUser>);
if (accessToken.appId) {
const app = await appCache.fetch(accessToken.appId,
() => Apps.findOneByOrFail({ id: accessToken.appId! }));
return [user, {
id: accessToken.id,
permission: app.permission,
} as AccessToken];
} else {
return [user, accessToken];
}
}
};