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index.js
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index.js
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// Initialise .env config.
require('dotenv').config();
// Options
const options = {
port: process.env.PORT || 3000,
unityAPIBase: "https://build-api.cloud.unity3d.com", // URI (e.g. href) recieved in web hook payload.
unityCloudAPIKey: process.env.UNITYCLOUD_KEY,
hockeyappId: process.env.HOCKEYAPPID,
hockeyappAPIKey: process.env.HOCKEYAPP_KEY,
authorizationKey: `Token ${process.env.AUTH_KEY}`,
projectGuid: process.env.PROJECT_GUID
};
// Imports
const path = require('path'),
fs = require('fs'),
https = require('https'),
express = require('express'),
app = express(),
request = require('request'),
FormData = require('form-data'),
url = require("url");
app.use(express.json());
// Run Server
app.listen( options.port, function(){
console.log('listening on *:' + options.port );
});
app.post('/build', function (req, res) {
if (!req.body) return res.sendStatus(400);
if(!isValidRequest(req)) return res.sendStatus(401);
// 1. Get Build API URL
const buildAPIURL = req.body.links.api_self.href;
if( !buildAPIURL ) {
// URL not available.
res.setHeader('Content-Type', 'application/json');
res.send({
error: true,
message: "No build link from Unity Cloud Build webhook"
});
} else {
// URL available.
res.setHeader('Content-Type', 'application/json');
res.send({
error: false,
message: "Process begun for project '" + req.body.projectName + "' platform '" + req.body.buildTargetName + "'."
});
// 2. Grab binary URL from Unity Cloud API
getBuildDetails( buildAPIURL );
}
});
function isValidRequest(req){
let authHeader = req.header("Authorization");
if(authHeader !== options.authorizationKey) {
console.log(`Invalid header - ${authHeader}`);
return false;
}
if(req.body.projectGuid !== options.projectGuid){
console.log(`Invalid project guid - ${req.body.projectGuid}`);
return false;
}
if(req.body.buildStatus !== 'success'){
console.log(`Invalid buildStatus - ${req.body.buildStatus}`);
return false;
}
return true;
}
function getBuildDetails( buildAPIURL ){
console.log("1. getBuildDetails: start");
const requestOptions = {
headers: {
'Authorization': `Basic ${options.unityCloudAPIKey}`,
'Content-Type': 'application/json'
}
};
request.get(options.unityAPIBase + buildAPIURL, requestOptions, function(error, response, body){
if(error) {
console.log(error);
}
else if(response.statusCode !== 200) {
console.log(`Failed getting details with status - ${response.statusCode}`);
}
else {
const data = JSON.parse(body);
const parsed = url.parse(data.links.download_primary.href);
const filename = path.basename(parsed.pathname);
console.log("1. getBuildDetails: finished");
// 3. Download binary.
downloadBinary(data.links.download_primary.href, filename);
}
}
);
}
function downloadBinary( binaryURL, filename ){
console.log("2. downloadBinary: start");
console.log(" " + binaryURL);
console.log(" " + filename);
deleteFile( filename );
https.get( binaryURL, (res) => {
if(res.statusCode !== 200){
return console.log(`Failed to download with status - ${res.statusCode}`);
}
const writeStream = fs.createWriteStream(filename, {'flags': 'a'});
const len = parseInt(res.headers["content-length"], 10);
let cur = 0;
const total = len / 1048576; //1048576 - bytes in 1Megabyte
res.on('data', (chunk) => {
cur += chunk.length;
writeStream.write(chunk, 'binary');
console.log("Downloading " + (100.0 * cur / len).toFixed(2) + "%, Downloaded: " + (cur / 1048576).toFixed(2) + " mb, Total: " + total.toFixed(2) + " mb");
});
res.on('end', () => {
console.log("2. downloadBinary: finished");
writeStream.end();
});
writeStream.on('finish', () => {
uploadToHockeyApp( filename );
});
}).on('error', (e) => {
console.error(e);
});
}
function uploadToHockeyApp( filename ){
console.log("3. uploadToHockeyApp: start");
const readable = fs.createReadStream(filename);
readable.on('error', () => {
console.log('Error reading binary file for upload to HockeyApp');
});
// HockeyApp properties
const HOCKEY_APP_HOST = 'rink.hockeyapp.net';
const HOCKEY_APP_PATH = `/api/2/apps/${options.hockeyappId}/app_versions`;
const HOCKEY_APP_PROTOCOL = 'https:';
// Create FormData
const form = new FormData();
form.append('status', 2);
form.append('notes', "Automated release triggered from Unity Cloud Build.");
form.append('notes_type', 0);
form.append('notify', 1);
form.append('ipa', readable);
const req = form.submit({
host: HOCKEY_APP_HOST,
path: HOCKEY_APP_PATH,
protocol: HOCKEY_APP_PROTOCOL,
headers: {
'Accept': 'application/json',
'X-HockeyAppToken': options.hockeyappAPIKey
}
}, function (err, res) {
if (err) {
console.log(err);
return;
}
if (res.statusCode !== 200 && res.statusCode !== 201) {
console.log('Uploading failed with status ' + res.statusCode);
console.log(res.statusMessage);
return;
}
let jsonString = '';
res.on('data', (chunk) => {
jsonString += String.fromCharCode.apply(null, new Uint16Array(chunk));
});
res.on('end', () => {
console.log("3. uploadToHockeyApp: finished");
deleteFile(filename);
});
});
// Track upload progress.
const len = parseInt(req.getHeader('content-length'), 10);
let cur = 0;
const total = len / 1048576; //1048576 - bytes in 1Megabyte
req.on('data', (chunk) => {
cur += chunk.length;
console.log("Downloading " + (100.0 * cur / len).toFixed(2) + "%, Downloaded: " + (cur / 1048576).toFixed(2) + " mb, Total: " + total.toFixed(2) + " mb");
});
}
// Delete file, used to clear up any binary downloaded.
function deleteFile( filename ){
fs.exists(filename, function(exists) {
if (exists) {
// Delete File.
fs.unlink( filename );
}
});
}