¿Qué es Expose Response Headers?

Expose Response Headers es una extensión de Chrome desarrollada por Alexander Kuzmenok, y su función principal es "Expose the page response headers to Navigator object to make them available from Selenium and other web drivers".

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Instrucciones de Uso de la Extensión

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

Información Básica de la Extensión

Nombre	Expose Response Headers
ID	omlflgllokdkamhdgiaalffaeopelagg
URL Oficial	https://chromewebstore.google.com/detail/expose-response-headers/omlflgllokdkamhdgiaalffaeopelagg
Descripción	Expose the page response headers to Navigator object to make them available from Selenium and other web drivers
Tamaño del Archivo	20.04 KB
Cantidad de Instalaciones	17
Versión Actual	1.0.1
Última Actualización	2017-03-02
Fecha de Publicación	2017-03-02
Desarrollador	Alexander Kuzmenok
Correo electrónico	[email protected]
Tipo de Pago	free
Idiomas Soportados	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" }