rudeshark.net/src/server/api/call.ts
2018-07-21 02:18:35 +09:00

65 lines
1.4 KiB
TypeScript

import { performance } from 'perf_hooks';
import limitter from './limitter';
import { IUser } from '../../models/user';
import { IApp } from '../../models/app';
import endpoints from './endpoints';
export default (endpoint: string, user: IUser, app: IApp, data: any, file?: any) => new Promise<any>(async (ok, rej) => {
const isSecure = user != null && app == null;
const ep = endpoints.find(e => e.name === endpoint);
if (ep.meta.secure && !isSecure) {
return rej('ACCESS_DENIED');
}
if (ep.meta.requireCredential && user == null) {
return rej('SIGNIN_REQUIRED');
}
if (ep.meta.requireCredential && user.isSuspended) {
return rej('YOUR_ACCOUNT_HAS_BEEN_SUSPENDED');
}
if (app && ep.meta.kind) {
if (!app.permission.some(p => p === ep.meta.kind)) {
return rej('PERMISSION_DENIED');
}
}
if (ep.meta.requireCredential && ep.meta.limit) {
try {
await limitter(ep, user); // Rate limit
} catch (e) {
// drop request if limit exceeded
return rej('RATE_LIMIT_EXCEEDED');
}
}
let exec = ep.exec;
if (ep.meta.withFile && file) {
exec = exec.bind(null, file);
}
let res;
// API invoking
try {
const before = performance.now();
res = await exec(data, user, app);
const after = performance.now();
const time = after - before;
if (time > 500) {
console.warn(`SLOW API CALL DETECTED: ${ep.name} (${ time }ms)`);
}
} catch (e) {
rej(e);
return;
}
ok(res);
});