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Re: [ic] Detecting a secure page


On 06/10/2006 08:33 AM, Grant wrote:
I do use the Interchange::Link module and a non-standard IC catalog so
maybe that's why.  I could evaluate the first 5 characters on the
current URL to determine 'http:' or 'https'.  Does anyone know how to
do that in perl?

That part of the URL is never actually sent to the webserver, the browser uses it to determine which protocol to use and what port to connect to and then discards it.

All of the above methods rely in some form or another on the web server setting an environment variable to indicate whether the connection is secure or not. It's very possible that the webserver could be configured to not set the environment variable. This tends to explain why different people have had luck with different environment variables.

Some other things to try:

If you use a different domain name for secure connections than insecure connections you can check the HTTP_HOST environment variable to see which domain was called.

As a last ditch method and one that should always work, you can set your own environment variable to indicate whether the connection is secure or not in your web server's configuration file, you could put:

SetEnv SECURE 1

...in the virtual host section for your https connections, then test for that environment variable inside Interchange.

Peter
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