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- <?php
- /* $Id: transformations.lib.php,v 2.9 2004/10/12 12:08:18 nijel Exp $ */
- // vim: expandtab sw=4 ts=4 sts=4:
-
- /**
- * Set of functions used with the relation and pdf feature
- */
-
- function PMA_transformation_getOptions($string) {
- $transform_options = array();
-
- if ($string != '') {
- if ($string{0} == "'" && $string{strlen($string)-1} == "'") {
- $transform_options = explode('\',\'', substr($string, 1, strlen($string)-2));
- } else {
- $transform_options = array(0 => $string);
- }
- }
-
- // strip possible slashes to behave like documentation says
- $result = array();
- foreach($transform_options as $val) {
- $result[] = stripslashes($val);
- }
- return $result;
- }
-
- /**
- * Gets all available MIME-types
- *
- * @return array array[mimetype], array[transformation]
- *
- * @access public
- *
- * @author Garvin Hicking <me@supergarv.de>
- */
- function PMA_getAvailableMIMEtypes() {
- $handle = opendir('./libraries/transformations');
-
- $stack = array();
- $filestack = array();
-
- while (($file = readdir($handle)) != false) {
- $filestack[$file] = $file;
- }
-
- closedir($handle);
-
- if (is_array($filestack)) {
- @ksort($filestack);
- foreach ($filestack AS $key => $file) {
-
- if (preg_match('|^.*__.*\.inc\.php(3?)$|', trim($file), $match)) {
- // File contains transformation functions.
- $base = explode('__', str_replace('.inc.php' . $match[1], '', $file));
-
- $mimetype = str_replace('_', '/', $base[0]);
- $stack['mimetype'][$mimetype] = $mimetype;
-
- $stack['transformation'][] = $mimetype . ': ' . $base[1];
- $stack['transformation_file'][] = $file;
-
- } else if (preg_match('|^.*\.inc\.php(3?)$|', trim($file), $match)) {
- // File is a plain mimetype, no functions.
- $base = str_replace('.inc.php' . $match[1], '', $file);
-
- if ($base != 'global') {
- $mimetype = str_replace('_', '/', $base);
- $stack['mimetype'][$mimetype] = $mimetype;
- $stack['empty_mimetype'][$mimetype] = $mimetype;
- }
- }
-
- }
- }
-
- return $stack;
- }
-
- /**
- * Gets the mimetypes for all rows of a table
- *
- * @param string the name of the db to check for
- * @param string the name of the table to check for
- * @param string whether to include only results having a mimetype set
- *
- * @return array [field_name][field_key] = field_value
- *
- * @global array the list of relations settings
- *
- * @access public
- *
- * @author Mike Beck <mikebeck@users.sourceforge.net> / Garvin Hicking <me@supergarv.de>
- */
- function PMA_getMIME($db, $table, $strict = false) {
- global $cfgRelation;
-
- $com_qry = 'SELECT column_name, mimetype, transformation, transformation_options FROM ' . PMA_backquote($cfgRelation['column_info'])
- . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
- . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
- . ' AND (mimetype != \'\'' . (!$strict ? ' OR transformation != \'\' OR transformation_options != \'\'' : '') . ')';
- $com_rs = PMA_query_as_cu($com_qry);
-
- while ($row = @PMA_DBI_fetch_assoc($com_rs)) {
- $col = $row['column_name'];
- $mime[$col]['mimetype'] = $row['mimetype'];
- $mime[$col]['transformation'] = $row['transformation'];
- $mime[$col]['transformation_options'] = $row['transformation_options'];
- } // end while
- PMA_DBI_free_result($com_rs);
- unset($com_rs);
-
- if (isset($mime) && is_array($mime)) {
- return $mime;
- } else {
- return FALSE;
- }
- } // end of the 'PMA_getMIME()' function
-
- /**
- * Set a single mimetype to a certain value.
- *
- * @param string the name of the db
- * @param string the name of the table
- * @param string the name of the column
- * @param string the mimetype of the column
- * @param string the transformation of the column
- * @param string the transformation options of the column
- * @param string (optional) force delete, will erase any existing comments for this column
- *
- * @return boolean true, if comment-query was made.
- *
- * @global array the list of relations settings
- *
- * @access public
- */
- function PMA_setMIME($db, $table, $key, $mimetype, $transformation, $transformation_options, $forcedelete = false) {
- global $cfgRelation;
-
- $test_qry = 'SELECT mimetype, ' . PMA_backquote('comment') . ' FROM ' . PMA_backquote($cfgRelation['column_info'])
- . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
- . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
- . ' AND column_name = \'' . PMA_sqlAddslashes($key) . '\'';
- $test_rs = PMA_query_as_cu($test_qry, TRUE, PMA_DBI_QUERY_STORE);
-
- if ($test_rs && PMA_DBI_num_rows($test_rs) > 0) {
- $row = @PMA_DBI_fetch_assoc($test_rs);
- PMA_DBI_free_result($test_rs);
- unset($test_rs);
-
- if (!$forcedelete && (strlen($mimetype) > 0 || strlen($transformation) > 0 || strlen($transformation_options) > 0 || strlen($row['comment']) > 0)) {
- $upd_query = 'UPDATE ' . PMA_backquote($cfgRelation['column_info'])
- . ' SET mimetype = \'' . PMA_sqlAddslashes($mimetype) . '\','
- . ' transformation = \'' . PMA_sqlAddslashes($transformation) . '\','
- . ' transformation_options = \'' . PMA_sqlAddslashes($transformation_options) . '\''
- . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
- . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
- . ' AND column_name = \'' . PMA_sqlAddslashes($key) . '\'';
- } else {
- $upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['column_info'])
- . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
- . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
- . ' AND column_name = \'' . PMA_sqlAddslashes($key) . '\'';
- }
- } else if (strlen($mimetype) > 0 || strlen($transformation) > 0 || strlen($transformation_options) > 0) {
- $upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['column_info'])
- . ' (db_name, table_name, column_name, mimetype, transformation, transformation_options) '
- . ' VALUES('
- . '\'' . PMA_sqlAddslashes($db) . '\','
- . '\'' . PMA_sqlAddslashes($table) . '\','
- . '\'' . PMA_sqlAddslashes($key) . '\','
- . '\'' . PMA_sqlAddslashes($mimetype) . '\','
- . '\'' . PMA_sqlAddslashes($transformation) . '\','
- . '\'' . PMA_sqlAddslashes($transformation_options) . '\')';
- }
-
- if (isset($upd_query)){
- $upd_rs = PMA_query_as_cu($upd_query);
- PMA_DBI_free_result($upd_rs);
- unset($upd_rs);
- return true;
- } else {
- return false;
- }
- } // end of 'PMA_setMIME()' function
-
- /**
- * Returns the real filename of a configured transformation
- *
- * @param string the current filename
- *
- * @return string the new filename
- *
- * @access public
- */
- function PMA_sanitizeTransformationFile(&$filename) {
- // garvin: for security, never allow to break out from transformations directory
-
- $include_file = PMA_securePath($filename);
-
- // This value can also contain a 'php3' value, in which case we map this filename to our new 'php' variant
- $testfile = preg_replace('@\.inc\.php3$@', '.inc.php', $include_file);
- if ($include_file{strlen($include_file)-1} == '3' && file_exists('./libraries/transformations/' . $testfile)) {
- $include_file = $testfile;
- $filename = $testfile; // Corrects the referenced variable for further actions on the filename;
- }
-
- return $include_file;
- } // end of 'PMA_sanitizeTransformationFile()' function
- ?>
-