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#!/usr/bin/env node
var config = require('./config.json');
var fs = require('fs');
var express = require('express');
var app = express();
var queue = require('queue-async');
var tasks = queue(1);
var spawn = require('child_process').spawn;
var email = require('emailjs/email');
var mailer = email.server.connect(config.email);
app.use(express.bodyParser());
// Receive webhook post
app.post('/hooks/jekyll/:branch', function(req, res) {
// Close connection
res.send(202);
// Queue request handler
tasks.defer(function(req, res, cb) {
var data = req.body;
var branch = req.params.branch;
var params = [];
// Parse webhook data for internal variables
data.repo = data.repository.name;
data.branch = data.ref.split('/')[2];
data.owner = data.repository.owner.name;
// End early if not permitted account
if (config.accounts.indexOf(data.owner) === -1) {
console.log(data.owner + ' is not an authorized account.');
if (typeof cb === 'function') cb();
return;
}
// End early if not permitted branch
if (data.branch !== branch) {
console.log('Not ' + branch + ' branch.');
if (typeof cb === 'function') cb();
return;
}
// Process webhook data into params for scripts
/* repo */ params.push(data.repo);
/* branch */ params.push(data.branch);
/* owner */ params.push(data.owner);
/* giturl */
if (config.public_repo) {
params.push('https://' + config.gh_server + '/' + data.owner + '/' + data.repo + '.git');
} else {
params.push('git@' + config.gh_server + ':' + data.owner + '/' + data.repo + '.git');
}
/* source */ params.push(config.temp + '/' + data.owner + '/' + data.repo + '/' + data.branch + '/' + 'code');
/* build */ params.push(config.temp + '/' + data.owner + '/' + data.repo + '/' + data.branch + '/' + 'site');
// Run build script
run(config.scripts.build, params, function(err) {
if (err) {
console.log('Failed to build: ' + data.owner + '/' + data.repo);
send('Your website at ' + data.owner + '/' + data.repo + ' failed to build.', 'Error building site', data);
if (typeof cb === 'function') cb();
return;
}
// Run publish script
run(config.scripts.publish, params, function(err) {
if (err) {
console.log('Failed to publish: ' + data.owner + '/' + data.repo);
send('Your website at ' + data.owner + '/' + data.repo + ' failed to publish.', 'Error publishing site', data);
if (typeof cb === 'function') cb();
return;
}
// Done running scripts
console.log('Successfully rendered: ' + data.owner + '/' + data.repo);
send('Your website at ' + data.owner + '/' + data.repo + ' was succesfully published.', 'Succesfully published site', data);
if (typeof cb === 'function') cb();
return;
});
});
}, req, res);
});
// Start server
var port = process.env.PORT || 8080;
app.listen(port);
console.log('Listening on port ' + port);
function run(file, params, cb) {
var process = spawn(file, params);
process.stdout.on('data', function (data) {
console.log('' + data);
});
process.stderr.on('data', function (data) {
console.warn('' + data);
});
process.on('exit', function (code) {
if (typeof cb === 'function') cb(code !== 0);
});
}
function send(body, subject, data) {
if (config.email.isActivated) {
if (config.email && data.pusher.email) {
var message = {
text: body,
from: config.email.user,
to: data.pusher.email,
subject: subject
};
mailer.send(message, function(err) { if (err) console.warn(err); });
}
}
}
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