Files
YellowLabTools/lib/server/controllers/apiController.js
T
2016-05-18 22:54:56 +02:00

331 lines
11 KiB
JavaScript

var debug = require('debug')('ylt:server');
var Q = require('q');
var ylt = require('../../index');
var ScreenshotHandler = require('../../screenshotHandler');
var RunsQueue = require('../datastores/runsQueue');
var RunsDatastore = require('../datastores/runsDatastore');
var ResultsDatastore = require('../datastores/resultsDatastore');
var serverSettings = require('../../../server_config/settings.json');
var ApiController = function(app) {
'use strict';
var queue = new RunsQueue();
var runsDatastore = new RunsDatastore();
var resultsDatastore = new ResultsDatastore();
// Create a new run
app.post('/api/runs', function(req, res) {
// Add http to the test URL
if (req.body.url && req.body.url.toLowerCase().indexOf('http://') !== 0 && req.body.url.toLowerCase().indexOf('https://') !== 0) {
req.body.url = 'http://' + req.body.url;
}
// Grab the test parameters and generate a random run ID
var run = {
runId: (Date.now()*1000 + Math.round(Math.random()*1000)).toString(36),
params: {
url: req.body.url,
waitForResponse: req.body.waitForResponse !== false && req.body.waitForResponse !== 'false' && req.body.waitForResponse !== 0,
partialResult: req.body.partialResult || null,
screenshot: req.body.screenshot || false,
device: req.body.device || 'desktop',
waitForSelector: req.body.waitForSelector || null,
cookie: req.body.cookie || null,
authUser: req.body.authUser || null,
authPass: req.body.authPass || null,
blockDomain: req.body.blockDomain || null,
allowDomain: req.body.allowDomain || null,
noExternals: req.body.noExternals || false
}
};
// Create a temporary folder to save the screenshot
var screenshot;
if (run.params.screenshot) {
screenshot = ScreenshotHandler.getScreenshotTempFile();
}
// Add test to the testQueue
debug('Adding test %s to the queue', run.runId);
var queuePromise = queue.push(run.runId);
// Save the run to the datastore
runsDatastore.add(run, queuePromise.startingPosition);
// Listening for position updates
queuePromise.progress(function(position) {
runsDatastore.updatePosition(run.runId, position);
});
// Let's start the run
queuePromise.then(function() {
runsDatastore.updatePosition(run.runId, 0);
debug('Launching test %s on %s', run.runId, run.params.url);
var runOptions = {
screenshot: run.params.screenshot ? screenshot.getTmpFilePath() : false,
device: run.params.device,
waitForSelector: run.params.waitForSelector,
cookie: run.params.cookie,
authUser: run.params.authUser,
authPass: run.params.authPass,
blockDomain: run.params.blockDomain,
allowDomain: run.params.allowDomain,
noExternals: run.params.noExternals,
phantomasEngine: serverSettings.phantomasEngine
};
return ylt(run.params.url, runOptions);
})
// Phantomas completed, let's save the screenshot if any
.then(function(data) {
debug('Success');
data.runId = run.runId;
// Some conditional steps are made if there is a screenshot
var screenshotPromise = Q.resolve();
if (run.params.screenshot) {
// Replace the empty promise created earlier with Q.resolve()
screenshotPromise = screenshot.toThumbnail(serverSettings.screenshotWidth || 400)
// Read screenshot
.then(function(screenshotBuffer) {
if (screenshotBuffer) {
debug('Image optimized');
data.screenshotBuffer = screenshotBuffer;
// Official path to get the image
data.screenshotUrl = '/api/results/' + data.runId + '/screenshot.jpg';
}
})
// Delete screenshot temporary file
.then(screenshot.deleteTmpFile)
// Don't worry if there's an error
.fail(function(err) {
debug('An error occured while creating the screenshot\'s thumbnail. Ignoring and continuing...');
});
}
// Let's continue
screenshotPromise
// Save results
.then(function() {
// Remove uneeded temp screenshot path
delete data.params.options.screenshot;
// Here we can remove tools results if not needed
return resultsDatastore.saveResult(data);
})
// Mark as the run as complete and send the response if the request is still waiting
.then(function() {
debug('Result saved in datastore');
runsDatastore.markAsComplete(run.runId);
if (run.params.waitForResponse) {
// If the user only wants a portion of the result (partialResult option)
switch(run.params.partialResult) {
case 'generalScores':
res.redirect(302, '/api/results/' + run.runId + '/generalScores');
break;
case 'rules':
res.redirect(302, '/api/results/' + run.runId + '/rules');
break;
case 'javascriptExecutionTree':
res.redirect(302, '/api/results/' + run.runId + '/javascriptExecutionTree');
break;
case 'phantomas':
res.redirect(302, '/api/results/' + run.runId + '/toolsResults/phantomas');
break;
default:
res.redirect(302, '/api/results/' + run.runId);
}
}
})
.fail(function(err) {
console.error('Test failed for URL: %s', run.params.url);
console.error(err.toString());
runsDatastore.markAsFailed(run.runId, err.toString());
res.status(500).send('An error occured');
});
})
.fail(function(err) {
console.error('Test failed for URL: %s', run.params.url);
console.error(err.toString());
runsDatastore.markAsFailed(run.runId, err.toString());
res.status(400).send('Bad request');
})
.finally(function() {
queue.remove(run.runId);
});
// The user doesn't want to wait for the response, sending the run ID only
if (!run.params.waitForResponse) {
console.log('Sending response without waiting.');
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify({runId: run.runId}));
}
});
// Retrive one run by id
app.get('/api/runs/:id', function(req, res) {
var runId = req.params.id;
var run = runsDatastore.get(runId);
if (run) {
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify(run, null, 2));
} else {
res.status(404).send('Not found');
}
});
// Retrieve the list of all runs
/*app.get('/api/runs', function(req, res) {
// NOT YET
});*/
// Delete one run by id
/*app.delete('/api/runs/:id', function(req, res) {
deleteRun()
});*/
// Delete all
/*app.delete('/api/runs', function(req, res) {
purgeRuns()
});
// List all
app.get('/api/runs', function(req, res) {
listRuns()
});
// Exists
app.head('/api/runs/:id', function(req, res) {
existsX();
// Returns 200 if the result exists or 404 if not
});
*/
// Retrive one result by id
app.get('/api/results/:id', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
// Some fields can be excluded from the response, this way:
// /api/results/:id?exclude=field1,field2
if (req.query.exclude && typeof req.query.exclude === 'string') {
var excludedFields = req.query.exclude.split(',');
excludedFields.forEach(function(fieldName) {
if (data[fieldName]) {
delete data[fieldName];
}
});
}
return data;
});
});
// Retrieve one result and return only the generalScores part of the response
app.get('/api/results/:id/generalScores', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
return data.scoreProfiles.generic;
});
});
app.get('/api/results/:id/generalScores/:scoreProfile', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
return data.scoreProfiles[req.params.scoreProfile];
});
});
app.get('/api/results/:id/rules', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
return data.rules;
});
});
app.get('/api/results/:id/javascriptExecutionTree', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
return data.javascriptExecutionTree;
});
});
app.get('/api/results/:id/toolsResults/phantomas', function(req, res) {
getPartialResults(req.params.id, res, function(data) {
return data.toolsResults.phantomas;
});
});
function getPartialResults(runId, res, partialGetterFn) {
resultsDatastore.getResult(runId)
.then(function(data) {
var results = partialGetterFn(data);
if (typeof results === 'undefined') {
res.status(404).send('Not found');
return;
}
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify(results, null, 2));
}).fail(function() {
res.status(404).send('Not found');
});
}
// Retrive one result by id
app.get('/api/results/:id/screenshot.jpg', function(req, res) {
var runId = req.params.id;
resultsDatastore.getScreenshot(runId)
.then(function(screenshotBuffer) {
res.setHeader('Content-Type', 'image/jpeg');
res.send(screenshotBuffer);
}).fail(function() {
res.status(404).send('Not found');
});
});
};
module.exports = ApiController;