hippofish/packages/backend/src/server/api/authenticate.ts
2023-07-02 22:14:31 -04:00

107 lines
2.5 KiB
TypeScript

import isNativeToken from "./common/is-native-token.js";
import type { CacheableLocalUser, ILocalUser } from "@/models/entities/user.js";
import { Users, AccessTokens, Apps } from "@/models/index.js";
import type { AccessToken } from "@/models/entities/access-token.js";
import { Cache } from "@/misc/cache.js";
import type { App } from "@/models/entities/app.js";
import {
localUserByIdCache,
localUserByNativeTokenCache,
} from "@/services/user-cache.js";
const appCache = new Cache<App>("app", 60 * 30);
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>,
true,
);
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>,
true,
);
if (accessToken.appId) {
const app = await appCache.fetch(
accessToken.appId,
() => Apps.findOneByOrFail({ id: accessToken.appId! }),
true,
);
return [
user,
{
id: accessToken.id,
permission: app.permission,
} as AccessToken,
];
} else {
return [user, accessToken];
}
}
};