refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/auth/session/userkey.ts

@@ -0,0 +1,98 @@
+import $ from 'cafy';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { Apps, AuthSessions, AccessTokens, Users } from '@/models/index';
+
+export const meta = {
+	tags: ['auth'],
+
+	requireCredential: false as const,
+
+	params: {
+		appSecret: {
+			validator: $.str,
+		},
+
+		token: {
+			validator: $.str,
+		}
+	},
+
+	res: {
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
+		properties: {
+			accessToken: {
+				type: 'string' as const,
+				optional: false as const, nullable: false as const,
+			},
+
+			user: {
+				type: 'object' as const,
+				optional: false as const, nullable: false as const,
+				ref: 'User',
+			},
+		}
+	},
+
+	errors: {
+		noSuchApp: {
+			message: 'No such app.',
+			code: 'NO_SUCH_APP',
+			id: 'fcab192a-2c5a-43b7-8ad8-9b7054d8d40d'
+		},
+
+		noSuchSession: {
+			message: 'No such session.',
+			code: 'NO_SUCH_SESSION',
+			id: '5b5a1503-8bc8-4bd0-8054-dc189e8cdcb3'
+		},
+
+		pendingSession: {
+			message: 'This session is not completed yet.',
+			code: 'PENDING_SESSION',
+			id: '8c8a4145-02cc-4cca-8e66-29ba60445a8e'
+		}
+	}
+};
+
+export default define(meta, async (ps) => {
+	// Lookup app
+	const app = await Apps.findOne({
+		secret: ps.appSecret
+	});
+
+	if (app == null) {
+		throw new ApiError(meta.errors.noSuchApp);
+	}
+
+	// Fetch token
+	const session = await AuthSessions.findOne({
+		token: ps.token,
+		appId: app.id
+	});
+
+	if (session == null) {
+		throw new ApiError(meta.errors.noSuchSession);
+	}
+
+	if (session.userId == null) {
+		throw new ApiError(meta.errors.pendingSession);
+	}
+
+	// Lookup access token
+	const accessToken = await AccessTokens.findOneOrFail({
+		appId: app.id,
+		userId: session.userId
+	});
+
+	// Delete session
+	AuthSessions.delete(session.id);
+
+	return {
+		accessToken: accessToken.token,
+		user: await Users.pack(session.userId, null, {
+			detail: true
+		})
+	};
+});