56 lines
1.2 KiB
TypeScript
56 lines
1.2 KiB
TypeScript
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import * as express from 'express';
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import endpoints, { Endpoint } from './endpoints';
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import limitter from './limitter';
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import { IUser } from '../../models/user';
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import { IApp } from '../../models/app';
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export default (endpoint: string | Endpoint, user: IUser, app: IApp, data: any, req?: express.Request) => new Promise(async (ok, rej) => {
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const isSecure = user != null && app == null;
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//console.log(endpoint, user, app, data);
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const ep = typeof endpoint == 'string' ? endpoints.find(e => e.name == endpoint) : endpoint;
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if (ep.secure && !isSecure) {
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return rej('ACCESS_DENIED');
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}
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if (ep.withCredential && user == null) {
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return rej('SIGNIN_REQUIRED');
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}
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if (app && ep.kind) {
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if (!app.permission.some(p => p === ep.kind)) {
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return rej('PERMISSION_DENIED');
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}
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}
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if (ep.withCredential && ep.limit) {
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try {
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await limitter(ep, user); // Rate limit
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} catch (e) {
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// drop request if limit exceeded
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return rej('RATE_LIMIT_EXCEEDED');
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}
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}
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let exec = require(`${__dirname}/endpoints/${ep.name}`);
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if (ep.withFile && req) {
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exec = exec.bind(null, req.file);
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}
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let res;
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// API invoking
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try {
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res = await exec(data, user, app);
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} catch (e) {
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rej(e);
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return;
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}
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ok(res);
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});
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