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kaklik |
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<?php |
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/* $Id: text_plain__external.inc.php,v 2.8 2006/01/19 15:39:29 cybot_tm Exp $ */ |
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// vim: expandtab sw=4 ts=4 sts=4: |
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function PMA_transformation_text_plain__external_nowrap($options = array()) { |
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if (!isset($options[3]) || $options[3] == '') { |
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$nowrap = true; |
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} elseif ($options[3] == '1' || $options[3] == 1) { |
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$nowrap = true; |
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} else { |
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$nowrap = false; |
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} |
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return $nowrap; |
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} |
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function PMA_transformation_text_plain__external($buffer, $options = array(), $meta = '') { |
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// possibly use a global transform and feed it with special options: |
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// include('./libraries/transformations/global.inc.php'); |
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// further operations on $buffer using the $options[] array. |
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$allowed_programs = array(); |
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// |
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// WARNING: |
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// |
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// It's up to administrator to allow anything here. Note that users may |
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// specify any parameters, so when programs allow output redirection or |
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// any other possibly dangerous operations, you should write wrapper |
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// script that will publish only functions you really want. |
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// |
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// Add here program definitions like (note that these are NOT safe |
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// programs): |
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// |
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//$allowed_programs[0] = '/usr/local/bin/tidy'; |
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//$allowed_programs[1] = '/usr/local/bin/validate'; |
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// no-op when no allowed programs |
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if (count($allowed_programs) == 0) { |
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return $buffer; |
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} |
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if (!isset($options[0]) || $options[0] == '' || !isset($allowed_programs[$options[0]])) { |
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$program = $allowed_programs[0]; |
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} else { |
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$program = $allowed_programs[$options[0]]; |
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} |
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if (!isset($options[1]) || $options[1] == '') { |
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$poptions = '-f /dev/null -i -wrap -q'; |
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} else { |
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$poptions = $options[1]; |
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} |
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if (!isset($options[2]) || $options[2] == '') { |
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$options[2] = 1; |
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} |
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if (!isset($options[3]) || $options[3] == '') { |
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$options[3] = 1; |
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} |
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// needs PHP >= 4.3.0 |
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$newstring = ''; |
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$descriptorspec = array( |
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1 => array("pipe", "w") |
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); |
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$process = proc_open($program . ' ' . $poptions, $descriptorspec, $pipes); |
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if (is_resource($process)) { |
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fwrite($pipes[0], $buffer); |
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fclose($pipes[0]); |
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while (!feof($pipes[1])) { |
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$newstring .= fgets($pipes[1], 1024); |
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} |
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fclose($pipes[1]); |
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// we don't currently use the return value |
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$return_value = proc_close($process); |
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} |
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if ($options[2] == 1 || $options[2] == '2') { |
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$retstring = htmlspecialchars($newstring); |
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} else { |
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$retstring = $newstring; |
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} |
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return $retstring; |
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} |
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?> |