refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/auth/accept.ts

@@ -0,0 +1,76 @@
+import * as crypto from 'crypto';
+import $ from 'cafy';
+import define from '../../define';
+import { ApiError } from '../../error';
+import { AuthSessions, AccessTokens, Apps } from '@/models/index';
+import { genId } from '@/misc/gen-id';
+import { secureRndstr } from '@/misc/secure-rndstr';
+
+export const meta = {
+	tags: ['auth'],
+
+	requireCredential: true as const,
+
+	secure: true,
+
+	params: {
+		token: {
+			validator: $.str
+		}
+	},
+
+	errors: {
+		noSuchSession: {
+			message: 'No such session.',
+			code: 'NO_SUCH_SESSION',
+			id: '9c72d8de-391a-43c1-9d06-08d29efde8df'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	// Fetch token
+	const session = await AuthSessions
+		.findOne({ token: ps.token });
+
+	if (session == null) {
+		throw new ApiError(meta.errors.noSuchSession);
+	}
+
+	// Generate access token
+	const accessToken = secureRndstr(32, true);
+
+	// Fetch exist access token
+	const exist = await AccessTokens.findOne({
+		appId: session.appId,
+		userId: user.id,
+	});
+
+	if (exist == null) {
+		// Lookup app
+		const app = await Apps.findOneOrFail(session.appId);
+
+		// Generate Hash
+		const sha256 = crypto.createHash('sha256');
+		sha256.update(accessToken + app.secret);
+		const hash = sha256.digest('hex');
+
+		const now = new Date();
+
+		// Insert access token doc
+		await AccessTokens.insert({
+			id: genId(),
+			createdAt: now,
+			lastUsedAt: now,
+			appId: session.appId,
+			userId: user.id,
+			token: accessToken,
+			hash: hash
+		});
+	}
+
+	// Update session
+	await AuthSessions.update(session.id, {
+		userId: user.id
+	});
+});