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- <?php
- /* vim: set expandtab sw=4 ts=4 sts=4: */
- /**
- *
- * @version $Id: text_plain__external.inc.php 10239 2007-04-01 09:51:41Z cybot_tm $
- */
-
- /**
- *
- */
- function PMA_transformation_text_plain__external_nowrap($options = array()) {
- if (!isset($options[3]) || $options[3] == '') {
- $nowrap = true;
- } elseif ($options[3] == '1' || $options[3] == 1) {
- $nowrap = true;
- } else {
- $nowrap = false;
- }
-
- return $nowrap;
- }
-
- function PMA_transformation_text_plain__external($buffer, $options = array(), $meta = '') {
- // possibly use a global transform and feed it with special options:
- // include './libraries/transformations/global.inc.php';
-
- // further operations on $buffer using the $options[] array.
-
- $allowed_programs = array();
-
- //
- // WARNING:
- //
- // It's up to administrator to allow anything here. Note that users may
- // specify any parameters, so when programs allow output redirection or
- // any other possibly dangerous operations, you should write wrapper
- // script that will publish only functions you really want.
- //
- // Add here program definitions like (note that these are NOT safe
- // programs):
- //
- //$allowed_programs[0] = '/usr/local/bin/tidy';
- //$allowed_programs[1] = '/usr/local/bin/validate';
-
- // no-op when no allowed programs
- if (count($allowed_programs) == 0) {
- return $buffer;
- }
-
- if (!isset($options[0]) || $options[0] == '' || !isset($allowed_programs[$options[0]])) {
- $program = $allowed_programs[0];
- } else {
- $program = $allowed_programs[$options[0]];
- }
-
- if (!isset($options[1]) || $options[1] == '') {
- $poptions = '-f /dev/null -i -wrap -q';
- } else {
- $poptions = $options[1];
- }
-
- if (!isset($options[2]) || $options[2] == '') {
- $options[2] = 1;
- }
-
- if (!isset($options[3]) || $options[3] == '') {
- $options[3] = 1;
- }
-
- // needs PHP >= 4.3.0
- $newstring = '';
- $descriptorspec = array(
- 0 => array("pipe", "r"),
- 1 => array("pipe", "w")
- );
- $process = proc_open($program . ' ' . $poptions, $descriptorspec, $pipes);
- if (is_resource($process)) {
- fwrite($pipes[0], $buffer);
- fclose($pipes[0]);
-
- while (!feof($pipes[1])) {
- $newstring .= fgets($pipes[1], 1024);
- }
- fclose($pipes[1]);
- // we don't currently use the return value
- $return_value = proc_close($process);
- }
-
- if ($options[2] == 1 || $options[2] == '2') {
- $retstring = htmlspecialchars($newstring);
- } else {
- $retstring = $newstring;
- }
-
- return $retstring;
- }
- ?>
-