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import * as EventEmitter from 'events';
import * as express from 'express';
const crypto = require('crypto');
import User from '../models/user';
import config from '../../conf';
module.exports = async (app: express.Application) => {
if (config.github_bot == null) return;
const bot = await User.findOne({
username_lower: config.github_bot.username.toLowerCase()
});
if (bot == null) {
console.warn(`GitHub hook bot specified, but not found: @${config.github_bot.username}`);
return;
}
const post = text => require('../endpoints/posts/create')({ text }, bot);
const handler = new EventEmitter();
app.post('/hooks/github', (req, res, next) => {
if ((new Buffer(req.headers['x-hub-signature'])).equals(new Buffer('sha1=' + crypto.createHmac('sha1', config.github_bot.hook_secret).update(JSON.stringify(req.body)).digest('hex')))) {
handler.emit(req.headers['x-github-event'], req.body);
res.sendStatus(200);
} else {
res.sendStatus(400);
}
});
handler.on('push', event => {
const ref = event.ref;
if (ref != 'refs/heads/master') return;
const pusher = event.pusher;
const compare = event.compare;
post(`Pushed by **${pusher.name}**\nCompare changes: ${compare}`);
});
handler.on('issues', event => {
const issue = event.issue;
const action = event.action;
let title: string;
switch (action) {
case 'opened': title = 'New Issue'; break;
case 'closed': title = 'Issue Closed'; break;
case 'reopened': title = 'Issue Reopened'; break;
default: return;
}
post(`${title}: ${issue.number}「${issue.title}」\n${issue.html_url}`);
});
handler.on('issue_comment', event => {
const issue = event.issue;
const comment = event.comment;
const action = event.action;
let text: string;
switch (action) {
case 'created': text = `Comment to「${issue.title}」:${comment.user.login}「${comment.body}」\n${comment.html_url}`; break;
default: return;
}
post(text);
});
handler.on('watch', event => {
const sender = event.sender;
post(`⭐️Starred by ${sender.login}`);
});
handler.on('fork', event => {
const repo = event.forkee;
post(`🍴Forked:\n${repo.html_url}`);
});
handler.on('pull_request', event => {
const pr = event.pull_request;
const action = event.action;
let text: string;
switch (action) {
case 'opened': text = `New Pull Request:「${pr.title}」\n${pr.html_url}`; break;
case 'reopened': text = `Pull Request Reopened:「${pr.title}」\n${pr.html_url}`; break;
case 'closed':
text = pr.merged
? `Pull Request Merged!:「${pr.title}」\n${pr.html_url}`
: `Pull Request Closed:「${pr.title}」\n${pr.html_url}`;
break;
default: return;
}
post(text);
});
};
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