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POConverting Rackspace Cloud Files CDN URLs from HTTP to HTTPS
 

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  1. POConverting Rackspace Cloud Files CDN URLs from HTTP to HTTPS
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    <p>I have a series of Rackspace Cloud Files CDN URLs stored which reference an HTTP address and I would like to convert them to the HTTPS equivalent.</p> <p>Rackspace Cloud Files CDN URLs are in the following format:</p> <p><strong><a href="http://c186397.r97.cf1.rackcdn.com/CloudFiles%20Akamai.pdf" rel="nofollow">http://c186397.r97.cf1.rackcdn.com/CloudFiles Akamai.pdf</a></strong></p> <p>And the SSL equivalent for this URL would be:</p> <p><strong><a href="https://c186397.ssl.cf1.rackcdn.com/CloudFiles%20Akamai.pdf" rel="nofollow">https://c186397.ssl.cf1.rackcdn.com/CloudFiles Akamai.pdf</a></strong></p> <p>The changes to the URL are (<a href="http://www.rackspace.com/blog/rackspace-cloud-files-cdn-launches-ssl-delivery/" rel="nofollow">source</a>):</p> <ol> <li>HTTP becomes HTTPS</li> <li>The second URI segment ('r97' in this example) becomes 'ssl'</li> </ol> <p>The 'r00' part seems to vary in length (as some are 'r6' etc.) so I'm having trouble converting these URLs to HTTPS. Here's the code I have so far:</p> <pre><code>function rackspace_cloud_http_to_https($url) { //Replace the HTTP part with HTTPS $url = str_replace("http", "https", $url, $count = 1); //Get the position of the .r00 segment $pos = strpos($url, '.r'); if ($pos === FALSE) { //Not present in the URL return FALSE; } //Get the .r00 part to replace $replace = substr($url, $pos, 4); //Replace it with .ssl $url = str_replace($replace, ".ssl", $url, $count = 1); return $url; } </code></pre> <p>This however does not work for URLs where the second segment is of a different length.</p> <p>Any thoughts appreciated.</p>
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    1. USDan Murfitt
    1. USDan Murfitt
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      1. POConverting Rackspace Cloud Files CDN URLs from HTTP to HTTPS
      1. USMatthew Raymer
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