What is Expose Response Headers?

Expose Response Headers is a Chrome extension developed by Alexander Kuzmenok, and its main feature is "Expose the page response headers to Navigator object to make them available from Selenium and other web drivers".

Download Expose Response Headers Extension CRX File

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Extension Usage Instructions

This is a technical extension to be used with web drivers like Selenium. It adds the so-needed functionality like providing response headers and response status code for requested urls. The available items go to Navigator object, under following properties:

navigator.requestHeaders = ;
navigator.requestUrl = ;
navigator.requestMethod = ;
navigator.responseHeaders = ;
navigator.responseStatusCode = ;
navigator.responseStatusLine = ;
navigator.responseUrl = ;
navigator.responseMethod = ;

To get those values, you typically need to get them by running a javascript in a page context, and returning the result. In Selenium, it would look something like this:

var builder = new selenium.Builder().withCapabilities(selenium.Capabilities.chrome());
var options = new selenium_chrome.Options();
options.addExtensions(__dirname + "/response-headers.crx");
builder.setChromeOptions(options);
var page = builder.build();
page.then(function() {
// load your url here
}, function(err) {
// error creating browser
});

/// then somewhere after loading the url, you would do
page.executeScript(function() {
return {
statusCode: navigator.responseStatusCode
}
}).then(function(obj) {
// now you have obj.statusCode
});

Gist example: https://gist.github.com/javascriptlove/4a00c4931c4c83287f4efd6c23fd02ed

Extension Basic Information

Name	Expose Response Headers
ID	omlflgllokdkamhdgiaalffaeopelagg
Official URL	https://chromewebstore.google.com/detail/expose-response-headers/omlflgllokdkamhdgiaalffaeopelagg
Description	Expose the page response headers to Navigator object to make them available from Selenium and other web drivers
File Size	20.04 KB
Installation Count	17
Current Version	1.0.1
Last Updated	2017-03-02
Publish Date	2017-03-02
Developer	Alexander Kuzmenok
Email	[email protected]
Payment Type	free
Supported Languages	en
manifest.json
{ "background": { "scripts": [ "background.js" ] }, "content_scripts": [ { "matches": [ "http:\/\/\/", "https:\/\/\/" ], "js": [ "content_script.js" ], "run_at": "document_start" } ], "description": "Expose the page response headers to Navigator object to make them available from Selenium and other web drivers", "icons": { "128": "icon128.png" }, "manifest_version": 2, "name": "Expose Response Headers", "permissions": [ "webRequest", "tabs", "http:\/\/\/", "https:\/\/\/" ], "update_url": "http:\/\/clients2.google.com\/service\/update2\/crx", "version": "1.0.1" }