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POIs there a way to force $c->uri_for in Catalyst to generate a URI that begins with https?
 

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  1. POIs there a way to force $c->uri_for in Catalyst to generate a URI that begins with https?
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    <p>I've written a web application using Catalyst that has a lot of forms and needs to run over https. There are no hard-coded URLs, everything uses <code>$c-&gt;uri_for</code> or <code>$c-&gt;req-&gt;uri</code>. Everything worked great in the development environment using the dev server running over http.</p> <p>Today, when I went ahead and deployed the application, I noticed a problem. The way our production environment is currently setup, client browsers talk to a F5 load-balancer over HTTPS and the F5 talks to the web server on the internal network over HTTP.</p> <blockquote> <p>[ Browser ] ---HTTPS---> [ F5 ] ---HTTP---> [ Web Server ]</p> </blockquote> <p>Now, because the web server only gets <code>HTTP</code> requests, all URIs are generated starting with HTTP. This means:</p> <pre><code>&lt;form action='[% c.uri_for('/secure/form') %]' method='post'&gt; </code></pre> <p>becomes:</p> <pre><code>&lt;form action='http://websitename.org/secure/form' method='post'&gt; </code></pre> <p>and now all browsers complain you are submitting data over an insecure connection. I need that <code>c.uri_for</code> to begin with https.</p> <p>The app needed to go live today, so I did a mass search/replace for all form actions to this:</p> <pre><code>&lt;form action='[% c.uri_for('/secure/form') | replace('http:', 'https:'%]' method='post'&gt; </code></pre> <p>Well, now that breaks development, so I conditionalized the form actions based on a config key: </p> <pre><code>[% IF c.config.production %] &lt;form action='[% c.uri_for('/secure/form') | replace ('http:', 'https:') %]' method='post'&gt; [% ELSE %] &lt;form action='[% c.uri_for('/secure/form') %]' method='post'&gt; [% END %] </code></pre> <p>Needless to say, this all just seems wrong on multiple levels. Anyone have a better idea? And is there a way to force <code>$c-&gt;uri_for</code> to generate a URI that begins with https?</p> <h2>Solution</h2> <p>If you're using Catalyst 5.80008 or later, set <code>MyApp-&gt;config(using_frontend_proxy =&gt; 1);</code> and simply have your proxy set the <code>X-Forwarded-Port</code> header. For Catalyst versions prior to 5.80008, still set <code>using_frontend_proxy</code> so you get the actual client_ip, but to generate the correct URIs have your web server set the environment variable <code>HTTPS</code> to <code>ON</code></p>
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