node-persistent_selenium/proxy.js

80 lines
2.3 KiB
JavaScript

var app = require('express')();
var proxy = require('express-http-proxy');
var Request = require('request');
var currentSession = null;
var currentSessionObj = null;
function initBrowser(cb) {
var seleniumPort = app.config['selenium-port'] || 4444;
var seleniumHost = app.config['selenium-host'] || 'localhost';
Request({
method: 'post',
url: 'http://' + seleniumHost + ':' + seleniumPort + '/wd/hub/session/' + currentSession + '/url',
json: { url: "data:text/html;charset=utf-8;base64,PGh0bWw+PGhlYWQ+PHRpdGxlPm5vZGUtcGVyc2lzdGVudF9zZWxlbml1bTwvdGl0bGU+PGhlYWQ+PGJvZHk+PGgxPm5vZGUtcGVyc2lzdGVudF9zZWxlbml1bSBzdGFydGluZy4uLjwvaDE+PC9ib2R5PjwvaHRtbD4=" }
}, function(err, response, body) {
cb();
});
};
app.use(proxy('localhost', {
filter: function(req, res) {
if (currentSession) {
if (req.path === '/wd/hub/session/' + currentSession &&
req.method.toLowerCase() === 'delete') {
req._wasDelete = true;
}
if (req.path === '/wd/hub/session' &&
req.method.toLowerCase() === 'post') {
req._wasCreate = true;
}
}
return true;
},
decorateRequest: function(req) {
req.port = app.config['selenium-port'] || 4444;
req.hostname = app.config['selenium-host'] || 'localhost';
if (currentSession) {
if (req.path === '/wd/hub/session/' + currentSession &&
req.method.toLowerCase() === 'delete') {
req.method = 'GET';
req.path = '/wd/hub/sessions';
}
if (req.path === '/wd/hub/session' &&
req.method.toLowerCase() === 'post') {
req.method = 'GET';
req.path = '/wd/hub/sessions';
}
}
return req;
},
intercept: function(origRes, data, req, res, callback) {
if (!currentSession && req.url === '/wd/hub/session' &&
req.method.toLowerCase() === 'post') {
currentSessionObj = JSON.parse(data.toString('utf-8'));
currentSession = currentSessionObj.sessionId;
initBrowser(function() { callback(null, data); });
} else {
if (req._wasCreate) {
data = JSON.stringify(currentSessionObj);
initBrowser(function() { callback(null, data); });
} else {
if (req._wasDelete) {
callback(null, JSON.stringify('{}'));
} else {
callback(null, data);
}
}
}
}
}));
module.exports = app;