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<?php |
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/** |
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* |
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edhill |
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* $Header: /u/gcmpack/mitgcm.org/front_content/cmi_redir.php,v 1.1 2004/03/24 23:04:51 edhill Exp $ |
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edhill |
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* |
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* Ed Hill |
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* Simple "name"-based redirection for the CMI web pages. |
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* This file belongs in the mitgcm.org DocumentRoot and it uses all |
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* the readable files in the directory DocumentRoot/redir_mappings |
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* to build the list. |
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* |
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*/ |
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$code = array(); |
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$location = "./redir_mappings"; |
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$all = opendir($location); |
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while ($file = readdir($all)) { |
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if (!is_dir($location.'/'.$file)) { |
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if (is_readable($location.'/'.$file)) { |
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$handle = fopen($location.'/'.$file,"r"); |
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while ($line = fgets($handle, 4095)) { |
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// list ($code, $url) = $mapinfo; |
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// print $line; |
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$t1 = strtok($line," \n\t"); |
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$t2 = strtok(" \n\t"); |
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if ($t1 && $t2) { |
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$code[$t1] = $t2; |
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} |
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} |
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fclose($handle); |
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} |
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} |
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} |
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closedir($all); |
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$arr=explode('/',$_SERVER['REQUEST_URI']); |
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$url=$code[ $arr[2] ]; |
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if ( strlen($url) > 4 ) { |
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header ("Location: $url"); |
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} else { |
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print "<html><body>"; |
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print "Sorry, \"" . $arr[2] . "\" is an unknown redirection code.<br><br>"; |
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print "Please contact <a href=\"mailto:eh3@mit.edu\">eh3@mit.edu</a> if you "; |
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print "need help with this site."; |
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print "</body></html>"; |
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} |
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?> |