PHP login form on local site to access asp.net remote site

Question

Is this possible?

I want to have a PHP login form on my website. When the user enters a username and password and clicks submit, they should be directed to a remote website logged in (therefore skipping the login form on the remote site).

As mentioned in the title, the remote site is built using ASP.NET.

I've tried to search for a solution this but really not finding anything so some help and advice would be welcome.

Thanks, Mark.

Answer 1

Do you own the remote site ?

If no, the only solution is to submit the remote form with curl, by posting via POST/GET the right parameters. You have to check the html source of the remote form to know what parameters you have to pass. Nethertheless, this solution will be broken as soon as the remote website will implement some CRSF protection on their forms.

Answer 2

Have you tried to post directly to the ASP.NET form from your php script?

Answer 3

I've had the same situation where I needed to post a remote form. If I remember correctly,I did the following:

• create http handler (I used Zend_Http for this).
• first fetch the page via GET.
• search response for all form elements and their values.
• set those values in the http handler.
• set your own values (such as username/password).
• execute POST

asp.net apps create forms that are a bit ugly. They use a lot of hidden values in their forms (at least in my situation). There is a change you need to enable cookies.

Hope this helps.