modify Header Value (HTTP Headers)

[Fabio Giusti]

good evening

I have to test a site, that to access it I have to modify the header, through addon I have no problems, but with selenium I can't access it, by chance do you know how I can do it?

addon is Firefox's Modify Header Value (HTTP Headers), how should I put it in Java code ??

Thank you all

Fabio

[Joe Ward]

The current version of Selenium has no API for this, the next version may via developer tools but I haven't been keeping track of it. As far as I know people currently do things like this via a proxy e.g. BrowserMob Proxy. 

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[Serguei Kouzmine]

The 4.0.0.alphax versions of Selenium driver  jars
https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java/4.0.0-alpha-5
offer a big number of Chrome DevTools API wrappers, in particular the

https://chromedevtools.github.io/devtools-protocol/tot/Network/#method-setExtraHTTPHeaders

See the integration test in
https://github.com/SeleniumHQ/selenium/blob/master/java/client/test/org/openqa/selenium/devtools/ChromeDevToolsNetworkTest.java#L126

Map<String, Object> headers = new HashMap<>();

headers.put("customHeaderName", "customHeaderValue");

Headers headersData = new Headers(headers);

chromeDevTools.send(Network.setExtraHTTPHeaders(headersData));

// add event listener to verify that requests are sending with the custom //

chromeDevTools.addListener(Network.requestWillBeSent(),

o -> System.err.println("addCustomHeaders Listener invoked with "

+ o.getRequest().getHeaders().get("customHeaderName")));

driver.get("https://apache.org");

will produce 

addCustomHeaders Listener invoked with customHeaderValue

but not sure if it supported by any other browser than chrome / chromium