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phantomjs netsniff.js to show http header cache problem
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if (!Date.prototype.toISOString) { | |
Date.prototype.toISOString = function () { | |
function pad(n) { return n < 10 ? '0' + n : n; } | |
function ms(n) { return n < 10 ? '00'+ n : n < 100 ? '0' + n : n } | |
return this.getFullYear() + '-' + | |
pad(this.getMonth() + 1) + '-' + | |
pad(this.getDate()) + 'T' + | |
pad(this.getHours()) + ':' + | |
pad(this.getMinutes()) + ':' + | |
pad(this.getSeconds()) + '.' + | |
ms(this.getMilliseconds()) + 'Z'; | |
} | |
} | |
function createHAR(address, title, startTime, resources) | |
{ | |
var entries = []; | |
resources.forEach(function (resource) { | |
var request = resource.request, | |
startReply = resource.startReply, | |
endReply = resource.endReply; | |
if (!request || !startReply || !endReply) { | |
return; | |
} | |
// Exclude Data URI from HAR file because | |
// they aren't included in specification | |
if (request.url.match(/(^data:image\/.*)/i)) { | |
return; | |
} | |
entries.push({ | |
startedDateTime: request.time.toISOString(), | |
time: endReply.time - request.time, | |
request: { | |
method: request.method, | |
url: request.url, | |
httpVersion: "HTTP/1.1", | |
cookies: [], | |
headers: request.headers, | |
queryString: [], | |
headersSize: -1, | |
bodySize: -1 | |
}, | |
response: { | |
status: endReply.status, | |
statusText: endReply.statusText, | |
httpVersion: "HTTP/1.1", | |
cookies: [], | |
headers: endReply.headers, | |
redirectURL: "", | |
headersSize: -1, | |
bodySize: startReply.bodySize, | |
content: { | |
size: startReply.bodySize, | |
mimeType: endReply.contentType || "" | |
} | |
}, | |
cache: {}, | |
timings: { | |
blocked: 0, | |
dns: -1, | |
connect: -1, | |
send: 0, | |
wait: startReply.time - request.time, | |
receive: endReply.time - startReply.time, | |
ssl: -1 | |
}, | |
pageref: address | |
}); | |
}); | |
return { | |
log: { | |
version: '1.2', | |
creator: { | |
name: "PhantomJS", | |
version: phantom.version.major + '.' + phantom.version.minor + | |
'.' + phantom.version.patch | |
}, | |
pages: [{ | |
startedDateTime: startTime.toISOString(), | |
id: address, | |
title: title, | |
pageTimings: { | |
onLoad: page.endTime - page.startTime | |
} | |
}], | |
entries: entries | |
} | |
}; | |
} | |
var fs = require('fs'), | |
page = require('webpage').create(), | |
system = require('system'); | |
if (system.args.length === 1) { | |
console.log('Usage: netsniff.js <some URL>'); | |
phantom.exit(1); | |
} else { | |
page.isReload = false; | |
page.address = system.args[1]; | |
page.resources = []; | |
page.settings.userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25'; | |
page.viewportSize = { width: 320, height: 480 }; | |
page.onLoadStarted = function (status) { | |
page.startTime = new Date(); | |
}; | |
page.onLoadFinished = function(status) { | |
page.endTime = new Date(); | |
if (page.isReload) { | |
page.title = page.evaluate(function () { | |
return document.title; | |
}); | |
har = createHAR(page.address, page.title, page.startTime, page.resources); | |
console.log(JSON.stringify(har, undefined, 4)); | |
phantom.exit(); | |
} | |
}; | |
page.onResourceRequested = function (req) { | |
page.resources[req.id] = { | |
request: req, | |
startReply: null, | |
endReply: null | |
}; | |
}; | |
page.onResourceReceived = function (res) { | |
if (res.stage === 'start') { | |
page.resources[res.id].startReply = res; | |
} | |
if (res.stage === 'end') { | |
page.resources[res.id].endReply = res; | |
} | |
}; | |
page.onNavigationRequested = function(url, type, willNavigate, main) { | |
if (url === page.address && type === 'Reload') { | |
page.isReload = true; | |
} | |
}; | |
page.open(page.address, function (status) { | |
var har; | |
if (status !== 'success') { | |
console.log('FAIL to load the address'); | |
phantom.exit(1); | |
} else { | |
page.reload(); | |
} | |
}); | |
} |
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