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<?php
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/* For licensing terms, see /license.txt */
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/**
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* This is the file manage library for Chamilo.
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* Include/require it in your code to use its functionality.
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* @package chamilo.library
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*/
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/**
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* Update the file or directory path in the document db document table
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - action (string) - action type require : 'delete' or 'update'
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* @param - old_path (string) - old path info stored to change
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* @param - new_path (string) - new path info to substitute
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* @desc Update the file or directory path in the document db document table
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*
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*/
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function update_db_info($action, $old_path, $new_path = '')
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{
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$dbTable = Database::get_course_table(TABLE_DOCUMENT);
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$course_id = api_get_course_int_id();
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switch ($action) {
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case 'delete':
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$old_path = Database::escape_string($old_path);
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$to_delete = "WHERE c_id = $course_id AND (path LIKE BINARY '".$old_path."' OR path LIKE BINARY '".$old_path."/%')";
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$query = "DELETE FROM $dbTable " . $to_delete;
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Database::query($query);
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break;
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case 'update':
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if ($new_path[0] == '.') $new_path = substr($new_path, 1);
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$new_path = str_replace('//', '/', $new_path);
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// Attempt to update - tested & working for root dir
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$new_path = Database::escape_string($new_path);
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$query = "UPDATE $dbTable SET
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path = CONCAT('".$new_path."', SUBSTRING(path, LENGTH('".$old_path."')+1) )
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WHERE c_id = $course_id AND (path LIKE BINARY '".$old_path."' OR path LIKE BINARY '".$old_path."/%')";
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Database::query($query);
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break;
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}
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}
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/**
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* Cheks a file or a directory actually exist at this location
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - file_path (string) - path of the presume existing file or dir
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* @return - boolean TRUE if the file or the directory exists
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* boolean FALSE otherwise.
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*/
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function check_name_exist($file_path) {
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clearstatcache();
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$save_dir = getcwd();
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if (!is_dir(dirname($file_path))) {
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return false;
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}
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chdir(dirname($file_path));
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$file_name = basename($file_path);
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if (file_exists($file_name)) {
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chdir($save_dir);
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return true;
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} else {
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chdir($save_dir);
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return false;
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}
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}
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/**
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* Deletes a file or a directory
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*
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* @author - Hugues Peeters
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* @param $file (String) - the path of file or directory to delete
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* @return boolean - true if the delete succeed, false otherwise.
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* @see - delete() uses check_name_exist() and removeDir() functions
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*/
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function my_delete($file) {
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if (check_name_exist($file)) {
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if (is_file($file)) { // FILE CASE
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unlink($file);
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return true;
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} elseif (is_dir($file)) { // DIRECTORY CASE
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removeDir($file);
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return true;
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}
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} else {
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return false; // no file or directory to delete
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}
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}
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/**
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* Removes a directory recursively
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*
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* @returns true if OK, otherwise false
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*
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* @author Amary <MasterNES@aol.com> (from Nexen.net)
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* @author Olivier Brouckaert <oli.brouckaert@skynet.be>
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*
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* @param string $dir directory to remove
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*/
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function removeDir($dir) {
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if (!@$opendir = opendir($dir)) {
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return false;
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}
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while ($readdir = readdir($opendir)) {
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if ($readdir != '..' && $readdir != '.') {
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if (is_file($dir.'/'.$readdir)) {
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if (!@unlink($dir.'/'.$readdir)) {
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return false;
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}
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} elseif (is_dir($dir.'/'.$readdir)) {
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if (!removeDir($dir.'/'.$readdir)) {
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return false;
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}
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}
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}
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}
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closedir($opendir);
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if (!@rmdir($dir)) {
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return false;
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}
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return true;
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}
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/**
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* Return true if folder is empty
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* @author : hubert.borderiou@grenet.fr
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* @param string $in_folder : folder path on disk
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* @return 1 if folder is empty, 0 otherwise
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*/
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function folder_is_empty($in_folder) {
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$folder_is_empty = 0;
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if (is_dir($in_folder)) {
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$tab_folder_content = scandir($in_folder);
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if ((count($tab_folder_content) == 2 && in_array(".", $tab_folder_content) && in_array("..", $tab_folder_content)) || (count($tab_folder_content) < 2)) {
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$folder_is_empty = 1;
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}
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}
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return $folder_is_empty;
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}
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/**
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* Renames a file or a directory
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - $file_path (string) - complete path of the file or the directory
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* @param - $new_file_name (string) - new name for the file or the directory
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* @return - boolean - true if succeed
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* - boolean - false otherwise
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* @see - rename() uses the check_name_exist() and php2phps() functions
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*/
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function my_rename($file_path, $new_file_name) {
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$save_dir = getcwd();
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$path = dirname($file_path);
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$old_file_name = basename($file_path);
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$new_file_name = replace_dangerous_char($new_file_name);
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// If no extension, take the old one
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if ((strpos($new_file_name, '.') === false) && ($dotpos = strrpos($old_file_name, '.'))) {
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$new_file_name .= substr($old_file_name, $dotpos);
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}
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// Note: still possible: 'xx.yy' -rename-> '.yy' -rename-> 'zz'
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// This is useful for folder names, where otherwise '.' would be sticky
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// Extension PHP is not allowed, change to PHPS
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$new_file_name = php2phps($new_file_name);
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if ($new_file_name == $old_file_name) {
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return $old_file_name;
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}
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if (strtolower($new_file_name) != strtolower($old_file_name) && check_name_exist($path.'/'.$new_file_name)) {
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return false;
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}
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// On a Windows server, it would be better not to do the above check
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// because it succeeds for some new names resembling the old name.
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// But on Unix/Linux the check must be done because rename overwrites.
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chdir($path);
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$res = rename($old_file_name, $new_file_name) ? $new_file_name : false;
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chdir($save_dir);
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return $res;
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}
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/**
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* Moves a file or a directory to an other area
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - $source (String) - the path of file or directory to move
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* @param - $target (String) - the path of the new area
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* @return - bolean - true if the move succeed
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* bolean - false otherwise.
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* @see - move() uses check_name_exist() and copyDirTo() functions
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*/
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function move($source, $target) {
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if (check_name_exist($source)) {
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$file_name = basename($source);
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if (check_name_exist($target.'/'.$file_name)) {
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return false;
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} else {
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/* File case */
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if (is_file($source)) {
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copy($source , $target.'/'.$file_name);
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unlink($source);
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return true;
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}
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/* Directory case */
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elseif (is_dir($source)) {
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// Check to not copy the directory inside itself
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if (ereg('^'.$source.'/', $target.'/')) { // TODO: ereg() function is deprecated in PHP 5.3
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return false;
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} else {
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copyDirTo($source, $target);
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return true;
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}
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}
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}
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} else {
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return false;
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}
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}
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/**
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* Moves a directory and its content to an other area
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - $orig_dir_path (string) - the path of the directory to move
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* @param - $destination (string) - the path of the new area
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* @return - no return
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*/
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function copyDirTo($orig_dir_path, $destination, $move = true) {
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$save_dir = getcwd();
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// Extract directory name - create it at destination - update destination trail
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$dir_name = basename($orig_dir_path);
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$dir_to_copy = array();
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if (is_dir($orig_dir_path)) {
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mkdir($destination.'/'.$dir_name, api_get_permissions_for_new_directories());
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$destination_trail = $destination.'/'.$dir_name;
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if (is_dir($destination)) {
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chdir ($orig_dir_path) ;
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$handle = opendir($orig_dir_path);
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while ($element = readdir($handle)) {
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if ($element == '.' || $element == '..') {
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continue; // Skip the current and parent directories
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} elseif (is_file($element)) {
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copy($element, $destination_trail.'/'.$element);
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if ($move) {
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unlink($element) ;
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}
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} elseif (is_dir($element)) {
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$dir_to_copy[] = $orig_dir_path.'/'.$element;
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}
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}
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closedir($handle) ;
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if (sizeof($dir_to_copy) > 0) {
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foreach ($dir_to_copy as $this_dir) {
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copyDirTo($this_dir, $destination_trail, $move); // Recursivity
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}
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}
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if ($move) {
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rmdir($orig_dir_path) ;
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}
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chdir($save_dir);
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}
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}
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}
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/* NOTE: These functions batch is used to automatically build HTML forms
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* with a list of the directories contained on the course Directory.
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*
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* From a thechnical point of view, form_dir_lists calls sort_dir wich calls index_dir
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*/
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/**
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* Gets all the directories and subdirectories
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* contented in a given directory
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - path (string) - directory path of the one to index
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* @return - an array containing the path of all the subdirectories
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*/
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function index_dir($path) {
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$dir_array = array();
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$save_dir = getcwd();
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if (is_dir($path)){
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chdir($path);
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$handle = opendir($path);
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// Reads directory content end record subdirectoies names in $dir_array
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if ($handle !== false) {
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while ($element = readdir($handle)) {
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if ($element == '.' || $element == '..') continue; // Skip the current and parent directories
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if (is_dir($element)) $dir_array[] = $path.'/'.$element;
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}
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closedir($handle) ;
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}
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// Recursive operation if subdirectories exist
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$dir_number = sizeof($dir_array);
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if ($dir_number > 0) {
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for ($i = 0 ; $i < $dir_number ; $i++) {
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$sub_dir_array = index_dir($dir_array[$i]); // Function recursivity
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$dir_array = array_merge((array)$dir_array, (array)$sub_dir_array); // Data merge
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}
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}
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}
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chdir($save_dir) ;
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return $dir_array ;
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}
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/**
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* Indexes all the directories and subdirectories
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* contented in a given directory, and sort them alphabetically
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - path (string) - directory path of the one to index
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* @return - an array containing the path of all the subdirectories sorted
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* false, if there is no directory
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* @see - index_and_sort_dir uses the index_dir() function
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*/
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function index_and_sort_dir($path) {
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$dir_list = index_dir($path);
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if ($dir_list) {
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natsort($dir_list);
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return $dir_list;
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}
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return false;
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}
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/**
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* Builds a html form listing all directories of a given directory
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*
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*/
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function form_dir_list($source_type, $source_component, $command, $base_work_dir) {
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$dir_list = index_and_sort_dir($base_work_dir);
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$dialog_box .= "<form action=\"".api_get_self()."\" method=\"post\">\n" ;
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$dialog_box .= "<input type=\"hidden\" name=\"".$source_type."\" value=\"".$source_component."\">\n" ;
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$dialog_box .= get_lang('Move').' '.$source_component.' '.get_lang('To');
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$dialog_box .= "<select name=\"".$command."\">\n" ;
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$dialog_box .= "<option value=\"\" style=\"color:#999999\">".get_lang('Root')."\n";
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$bwdLen = strlen($base_work_dir) ; // base directories lenght, used under
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/* build html form inputs */
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if ($dir_list) {
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while (list( , $path_value) = each($dir_list) ) {
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$path_value = substr ( $path_value , $bwdLen ); // Truncates cunfidential informations confidentielles
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$dirname = basename ($path_value); // Extracts $path_value directory name du nom
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/* compute de the display tab */
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$tab = ""; // $tab reinitialisation
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$depth = substr_count($path_value, '/'); // The number of nombre '/' indicates the directory deepness
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for ($h = 0; $h < $depth; $h++) {
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$tab .= " ";
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}
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$dialog_box .= "<option value=\"$path_value\">$tab>$dirname\n";
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}
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}
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$dialog_box .= "</select>\n";
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$dialog_box .= "<input type=\"submit\" value=\"".get_lang('Ok')."\">";
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$dialog_box .= "</form>\n";
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return $dialog_box;
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}
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/**
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* Extracting extention of a filename
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*
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* @returns array
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* @param string $filename filename
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*/
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function getextension($filename) {
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$bouts = explode('.', $filename);
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return array(array_pop($bouts), implode('.', $bouts));
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}
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/**
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* Calculation size of a directory
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*
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* @returns integer size
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* @param string $path path to size
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* @param boolean $recursive if true , include subdir in total
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*/
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function dirsize($root, $recursive = true) {
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$dir = @opendir($root);
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$size = 0;
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while ($file = @readdir($dir)) {
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if (!in_array($file, array('.', '..'))) {
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if (is_dir($root.'/'.$file)) {
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$size += $recursive ? dirsize($root.'/'.$file) : 0;
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} else {
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$size += @filesize($root.'/'.$file);
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}
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}
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}
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@closedir($dir);
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return $size;
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}
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/* CLASS FileManager */
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/**
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This class contains functions that you can access statically.
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FileManager::list_all_directories($path)
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FileManager::list_all_files($dir_array)
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FileManager::compat_load_file($file_name)
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FileManager::set_default_settings($upload_path, $filename, $filetype="file", $glued_table, $default_visibility='v')
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|
@author Roan Embrechts
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|
@version 1.1, July 2004
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|
* @package chamilo.library
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|
*/
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|
class FileManager
|
|
|
{
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|
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|
/**
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|
|
Returns a list of all directories, except the base dir,
|
|
|
of the current course. This function uses recursion.
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|
|
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|
Convention: the parameter $path does not end with a slash.
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|
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|
@author Roan Embrechts
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|
@version 1.0.1
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|
*/
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|
|
function list_all_directories($path) {
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|
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$result_array = array();
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if (is_dir($path)) {
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|
$save_dir = getcwd();
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|
chdir($path);
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|
$handle = opendir($path);
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|
while ($element = readdir($handle)) {
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if ($element == '.' || $element == '..') continue; // Skip the current and parent directories
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|
if (is_dir($element)) {
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|
$dir_array[] = $path.'/'.$element;
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}
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|
}
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|
closedir($handle);
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|
// Recursive operation if subdirectories exist
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|
$dir_number = sizeof($dir_array);
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|
if ($dir_number > 0) {
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|
for ($i = 0 ; $i < $dir_number ; $i++) {
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|
$sub_dir_array = FileManager::list_all_directories($dir_array[$i]); // Function recursivity
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|
if (is_array($dir_array) && is_array($sub_dir_array)) {
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|
$dir_array = array_merge($dir_array, $sub_dir_array); // Data merge
|
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|
}
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|
|
}
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|
|
}
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|
|
$result_array = $dir_array;
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|
|
chdir($save_dir) ;
|
|
|
}
|
|
|
return $result_array ;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
This function receives a list of directories.
|
|
|
It returns a list of all files in these directories
|
|
|
|
|
|
@author Roan Embrechts
|
|
|
@version 1.0
|
|
|
*/
|
|
|
function list_all_files($dir_array) {
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|
|
|
|
|
$element_array = array();
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|
|
if (is_dir($dir_array)) {
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|
|
|
|
|
$save_dir = getcwd();
|
|
|
foreach ($dir_array as $directory) {
|
|
|
chdir($directory);
|
|
|
$handle = opendir($directory);
|
|
|
while ($element = readdir($handle)) {
|
|
|
if ($element == '.' || $element == '..' || $element == '.htaccess') continue; // Skip the current and parent directories
|
|
|
if (!is_dir($element)) {
|
|
|
$element_array[] = $directory.'/'.$element;
|
|
|
}
|
|
|
}
|
|
|
closedir($handle);
|
|
|
chdir('..');
|
|
|
chdir($save_dir);
|
|
|
}
|
|
|
}
|
|
|
return $element_array;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
Loads contents of file $filename into memory and returns them as a string.
|
|
|
Function kept for compatibility with older PHP versions.
|
|
|
Function is binary safe (is needed on Windows)
|
|
|
*/
|
|
|
function compat_load_file($file_name) {
|
|
|
$buffer = '';
|
|
|
if (file_exists($file_name)) {
|
|
|
$fp = fopen($file_name, 'rb');
|
|
|
$buffer = fread ($fp, filesize($file_name));
|
|
|
fclose ($fp);
|
|
|
}
|
|
|
return $buffer;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* Adds file/folder to document table in database
|
|
|
* improvement from set_default_settings (see below):
|
|
|
* take all info from function parameters
|
|
|
* no global variables needed
|
|
|
*
|
|
|
* NOTE $glued_table should already have backticks around it
|
|
|
* (get it from the database library, and it is done automatically)
|
|
|
*
|
|
|
* @param path, filename, filetype,
|
|
|
$glued_table, default_visibility
|
|
|
|
|
|
* action: Adds an entry to the document table with the default settings.
|
|
|
* @author Olivier Cauberghe <olivier.cauberghe@ugent.be>
|
|
|
* @author Roan Embrechts
|
|
|
* @version 1.2
|
|
|
*/
|
|
|
function set_default_settings($upload_path, $filename, $filetype = 'file', $glued_table, $default_visibility = 'v') {
|
|
|
if (!$default_visibility) $default_visibility = 'v';
|
|
|
|
|
|
// Make sure path is not wrongly formed
|
|
|
$upload_path = !empty($upload_path) ? "/$upload_path" : '';
|
|
|
|
|
|
$endchar = substr($filename, strlen($filename) - 1, 1);
|
|
|
if ($endchar == "\\" || $endchar == '/') {
|
|
|
$filename = substr($filename, 0, strlen($filename) - 1);
|
|
|
}
|
|
|
|
|
|
$full_file_name = $upload_path.'/'.$filename;
|
|
|
//$upload_path = str_replace("//", '/', $upload_path);
|
|
|
$full_file_name = str_replace("//", '/', $full_file_name);
|
|
|
|
|
|
$sql_query = "SELECT count(*) as number_existing FROM $glued_table WHERE path='$full_file_name'";
|
|
|
$sql_result = Database::query($sql_query);
|
|
|
$result = Database::fetch_array($sql_result);
|
|
|
// Determine which query to execute
|
|
|
if ($result['number_existing'] > 0) {
|
|
|
// Entry exists, update
|
|
|
$query = "UPDATE $glued_table SET path='$full_file_name',visibility='$default_visibility', filetype='$filetype' WHERE path='$full_file_name'";
|
|
|
} else {
|
|
|
// No entry exists, create new one
|
|
|
$query = "INSERT INTO $glued_table (path,visibility,filetype) VALUES('$full_file_name','$default_visibility','$filetype')";
|
|
|
}
|
|
|
Database::query($query);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
} //end class FileManager
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* DEPRECATED FUNCTIONS */
|
|
|
|
|
|
/**
|
|
|
* Like in Java, creates the directory named by this abstract pathname,
|
|
|
* including any necessary but nonexistent parent directories.
|
|
|
*
|
|
|
* @author Hugues Peeters <peeters@ipm.ucl.ac.be>
|
|
|
* @author Christophe Gesche <gesche@ipm.ucl.ac.be>
|
|
|
*
|
|
|
* @param string $path - path to create
|
|
|
* @param string $mode - directory permission (default is '770')
|
|
|
*
|
|
|
* @return boolean TRUE if succeeds FALSE otherwise
|
|
|
*/
|
|
|
function mkdirs($path, $mode = '0770') {
|
|
|
if (file_exists($path)) {
|
|
|
return false;
|
|
|
} else {
|
|
|
FileManager :: mkdirs(dirname($path), $mode);
|
|
|
//mkdir($path, $mode);
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @deprecated 06-FEB-2010. The function mkdir() is able to create directories recursively.
|
|
|
* @link http://php.net/manual/en/function.mkdir.php
|
|
|
*
|
|
|
* to create missing directory in a gived path
|
|
|
*
|
|
|
* @returns a resource identifier or FALSE if the query was not executed correctly.
|
|
|
* @author KilerCris@Mail.com original function from php manual
|
|
|
* @author Christophe Gesch<EFBFBD> gesche@ipm.ucl.ac.be Claroline Team
|
|
|
* @since 28-Aug-2001 09:12
|
|
|
* @param sting $path wanted path
|
|
|
* @param boolean $verbose fix if comments must be printed
|
|
|
* @param string $mode fix if chmod is same of parent or default (Note: This misterious parameter is not used).
|
|
|
* Note string $langCreatedIn string used to say "create in"
|
|
|
*/
|
|
|
function mkpath($path, $verbose = false, $mode = 'herit') {
|
|
|
global $langCreatedIn, $_configuration;
|
|
|
|
|
|
$path = str_replace('/', "\\", $path);
|
|
|
$dirs = explode("\\", $path);
|
|
|
|
|
|
$path = $dirs[0];
|
|
|
|
|
|
if ($verbose) {
|
|
|
echo '<ul>';
|
|
|
}
|
|
|
|
|
|
for ($i = 1; $i < sizeof($dirs); $i++) {
|
|
|
$path .= '/'.$dirs[$i];
|
|
|
|
|
|
if (ereg('^'.$path, $_configuration['root_sys']) && strlen($path) < strlen($_configuration['root_sys'])) {
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
if (!is_dir($path)) {
|
|
|
$ret = mkdir($path, api_get_permissions_for_new_directories());
|
|
|
|
|
|
if ($ret) {
|
|
|
if ($verbose) {
|
|
|
echo '<li><strong>'.basename($path).'</strong><br />'.$langCreatedIn.'<br /><strong>'.realpath($path.'/..').'</strong></li>';
|
|
|
}
|
|
|
} else {
|
|
|
if ($verbose) {
|
|
|
echo '</ul>error : '.$path.' not created';
|
|
|
}
|
|
|
$ret = false;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if ($verbose) {
|
|
|
echo '</ul>';
|
|
|
}
|
|
|
|
|
|
return $ret;
|
|
|
}
|
|
|
|
