douxianwu2221
douxianwu2221
2017-03-28 22:41

处理SAML POST并仍然在Laravel 5中维护CSRF

已采纳

I use this package = https://github.com/aacotroneo/laravel-saml2 I configured everything in the SP and iDP sections in saml2_settings.php as instructed.


STEPS

I go to : /admin/login I got redirected and landed on my iDP log-in page immediately, it is a correct behavior.

I log-in with the proper username and password.

enter image description here

After successfully authenticated by my iDP, I got the SAML Response from my iDP like this sample

{
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",
"RelayState": "https://testserver.benunets.com/admin/login"
}

kernel.php

I can only see this response only because I comment out my CFRF token on my app/Http/kernel.php

// \App\Http\Middleware\VerifyCsrfToken::class,

ROUTE

Route::post('admin/secure/dashboard', 'SAMLController@post');

CONTROLLER

 public function post(){
    return Input::all();
}

What is the best practice to deal with SAML POST and still maintaining CSRF protection ?

Should I create a middleware or anything similar to that ?

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1条回答

  • douguai4653 douguai4653 4年前

    You may exclude your endpoint by adding it to the $except property of the VerifyCsrfToken middleware.

    After that you may want to add your own middleware to check if the post request came from an origin you explicitly accept.

    The documentation of the package also states that you should configure a middleware group in te config which at least needs the StartSession middleware. So you can make a special middleware-group which excludes the VerifyCsrfToken middleware. However, I do believe it would be better to exclude the endpoint, and add your own middleware check.

    Also, you are referencing the url admin/secure/dashboard. Are you using this for debugging the POST request? Because I believe the actual endpoint for iDP needs to be https://your-url.com/saml2/acs (unless you changed the default configuration). This page will use the post data to trigger an event with which you can login the appropriate user.

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