Headless Chrome displays old Google sign-in when signing in with OpenID/OAuth

[dmitry....@teamdev.com]

Hello,

We are using headless Chrome for testing our application that has a Google sign-in feature (with Firebase Authentication). What we have faced is that when authenticating with Google from headless Chrome, we get an old Google sign-in page:

...and when using a regular "headed" mode of Chrome, we get a new Google sign-in:

This can be reproduced when logging in with Google to Stack Overflow or GitLab. Interestingly, the accounts.google.com page displays a new Google sign-in in both headless and "headed" modes.

According to the new Google sign-in description page, the old sign-in page might appear in an "older version of a browser" or when JavaScript is turned off, which is neither the case here.

What is the reason of this difference? Is it an expected behavior triggered by some factors or a bug?

I'm using Chrome 59.0.3071.109 on Ubuntu 17.04.

Thanks,

Dmitry

[Eric Seckler]

Could be related to the user agent that is sent in headless mode. You could try overriding it via the --user-agent flag.

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[dmitry....@teamdev.com]

Yes, this was due to the user agent. Thanks!

[andre...@gmail.com]

Could you share what value you used for the flag? Running into this exact issue...

[hatim.far...@photobookworldwide.com]

Hi dmitry, would mind sharing the value for the --user-agentflag, or maybe how u declare it? Really need your help man ...

[dmitry....@teamdev.com]

Sorry, can't find the original code now... Not 100% sure, but from what I remember, it turned to be as simple as passing the value of the navigator.userAgent property, when evaluated in an ordinary "headed" mode. E.g., it returns "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36" for my version of Chrome currently, but it obviously was slightly different for the version I used back then.

[subhojit khara]

Hi Hatim, Did you used the user agent told by dmitry, does it work?

[Suraj Gupta]

Hello Guys,

Below user-agent worked for me!!

 options.addArguments("user-agent=Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36");

To get your browser specific user agent go to https://www.whatismybrowser.com/detect/what-is-my-user-agent 

Thanks

[as16...@stu.hemetusd.org]

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