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251 lines
8.9 KiB
251 lines
8.9 KiB
<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004 Dokeos S.A.
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* Updates the Dokeos files from an older version
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* IMPORTANT: This script has to be included by install/index.php and update_courses.php
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*
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* DOKEOS_INSTALL is defined in the install/index.php
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* DOKEOS_COURSE_UPDATE is defined in update_courses.php
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*
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* When DOKEOS_INSTALL or DOKEOS_COURSE_UPDATE is defined, do for every course:
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* - remove the .htaccess in the document folder
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* - remove the index.php in the group folder
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* - write a new group/index.php file, make it an empty html file
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* - remove the index.php of the course folder
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* - write a new index.php file in the course folder, with some settings
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* - create a 'temp' directory in the course folder
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* - move the course folder inside the courses folder of the new Dokeos installation
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* - move the group documents from the group folder to the document folder,
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* keeping subfolders intact
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* - stores all documents inside the database (document and item_property tables)
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* - remove the visibility field from the document table
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* - update the item properties of the group documents
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*
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* Additionally, when DOKEOS_INSTALL is defined
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* - write a config file, configuration.php, with important settings
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* - write a .htaccess file (with instructions for Apache) in the courses directory
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* - remove the new main/upload/users directory and rename the main/img/users
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* directory of the old version to main/upload/users
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* - rename the old configuration.php to configuration.php.old,
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* or if this fails delete the old configuration.php
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*
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* @package dokeos.install
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==============================================================================
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*/
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/*
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==============================================================================
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FUNCTIONS
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==============================================================================
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*/
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/**
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* This function puts the documents of the upgraded courses
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* into the necessary tables of the new version:
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* the document and item_property tables.
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*
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* It is used to upgrade from Dokeos 1.5.x versions to
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* Dokeos 1.6
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*
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* @return boolean true if everything worked, false otherwise
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*/
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function fill_document_table($dir)
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{
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global $newPath, $course, $mysql_base_course, $_configuration;
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$documentPath = $newPath.'courses/'.$course.'/document';
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if (!@ $opendir = opendir($dir))
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{
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return false;
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}
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while ($readdir = readdir($opendir))
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{
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if ($readdir != '..' && $readdir != '.' && $readdir != '.htaccess')
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{
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$path = str_replace($documentPath, '', $dir.'/'.$readdir);
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$file_date = date("Y-m-d H:i:s", filemtime($dir.'/'.$readdir));
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if (is_file($dir.'/'.$readdir))
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{
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$file_size = filesize($dir.'/'.$readdir);
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$result = mysql_query("SELECT id,visibility FROM `$mysql_base_course".$_configuration['db_glue']."document` WHERE path='".addslashes($path)."' LIMIT 0,1");
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if (list ($id, $visibility) = mysql_fetch_row($result))
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{
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mysql_query("UPDATE `$mysql_base_course".$_configuration['db_glue']."document` SET filetype='file',title='".addslashes($readdir)."',size='$file_size' WHERE id='$id' AND path='".addslashes($path)."'");
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}
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else
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{
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mysql_query("INSERT INTO `$mysql_base_course".$_configuration['db_glue']."document`(path,filetype,title,size) VALUES('".addslashes($path)."','file','".addslashes($readdir)."','$file_size')");
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$id = mysql_insert_id();
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}
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$visibility = ($visibility == 'v') ? 1 : 0;
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mysql_query("INSERT INTO `$mysql_base_course".$_configuration['db_glue']."item_property`(tool,ref,visibility,lastedit_type,to_group_id,insert_date,lastedit_date) VALUES('document','$id','$visibility','DocumentAdded','0','".$file_date."','".$file_date."')");
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}
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elseif (is_dir($dir.'/'.$readdir))
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{
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$result = mysql_query("SELECT id,visibility FROM `$mysql_base_course".$_configuration['db_glue']."document` WHERE path='".addslashes($path)."' LIMIT 0,1");
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if (list ($id, $visibility) = mysql_fetch_row($result))
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{
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mysql_query("UPDATE `$mysql_base_course".$_configuration['db_glue']."document` SET filetype='folder',title='".addslashes($readdir)."' WHERE id='$id' AND path='".addslashes($path)."'");
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}
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else
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{
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mysql_query("INSERT INTO `$mysql_base_course".$_configuration['db_glue']."document`(path,filetype,title) VALUES('".addslashes($path)."','folder','".addslashes($readdir)."')");
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$id = mysql_insert_id();
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}
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$visibility = ($visibility == 'v') ? 1 : 0;
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mysql_query("INSERT INTO `$mysql_base_course".$_configuration['db_glue']."item_property`(tool,ref,visibility, lastedit_type, to_group_id,insert_date,lastedit_date) VALUES('document','$id','$visibility','FolderCreated','0','".$file_date."','".$file_date."')");
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if (!fill_document_table($dir.'/'.$readdir))
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{
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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($opendir);
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return true;
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}
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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if (defined('DOKEOS_INSTALL') || defined('DOKEOS_COURSE_UPDATE'))
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{
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$newPath = str_replace('\\', '/', realpath('../..')).'/';
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$oldPath = $_POST['updatePath'];
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$perm = api_get_setting('permissions_for_new_directories');
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$perm = octdec(!empty($perm)?$perm:'0770');
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foreach ($coursePath as $key => $course)
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{
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$mysql_base_course = $courseDB[$key];
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@ unlink($oldPath.$course.'/document/.htaccess');
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@ unlink($oldPath.$course.'/group/index.php');
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if ($fp = @ fopen($oldPath.$course.'/group/index.php', 'w'))
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{
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fputs($fp, '<html></html>');
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fclose($fp);
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}
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@ unlink($oldPath.$course.'/index.php');
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if ($fp = @ fopen($oldPath.$course.'/index.php', 'w'))
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{
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fputs($fp, '<?php
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$cidReq = "'.$key.'";
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$dbname = "'.str_replace($dbPrefixForm, '', $mysql_base_course).'";
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include("../../main/course_home/course_home.php");
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?>');
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fclose($fp);
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}
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@ mkdir($oldPath.$course.'/temp', $perm);
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@ chmod($oldPath.$course.'/temp', $perm);
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@ rename($oldPath.$course, $newPath.'courses/'.$course);
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// Move group documents to document folder of the course
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$group_dir = $newPath.'courses/'.$course.'/group';
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if ($dir = @ opendir($group_dir))
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{
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while (($entry = readdir($dir)) !== false)
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{
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if ($entry != '.' && $entry != '..' && is_dir($group_dir.'/'.$entry))
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{
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$from_dir = $group_dir.'/'.$entry;
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$to_dir = $newPath.'courses/'.$course.'/document/'.$entry;
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@ rename($from_dir, $to_dir);
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}
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}
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closedir($dir);
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}
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fill_document_table($newPath.'courses/'.$course.'/document');
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mysql_query("ALTER TABLE `$mysql_base_course".$_configuration['db_glue']."document` DROP `visibility`");
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// Update item_properties of group documents
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$sql = "SELECT d.id AS doc_id, g.id AS group_id FROM `$mysql_base_course".$_configuration['db_glue']."group_info` g,`$mysql_base_course".$_configuration['db_glue']."document` d WHERE path LIKE CONCAT(g.secret_directory,'%')";
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$res = mysql_query($sql);
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while ($group_doc = mysql_fetch_object($res))
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{
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$sql = "UPDATE `$mysql_base_course".$_configuration['db_glue']."item_property` SET to_group_id = '".$group_doc->group_id."', visibility = '1' WHERE ref = '".$group_doc->doc_id."' AND tool = '".TOOL_DOCUMENT."'";
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mysql_query($sql);
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}
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}
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if (defined('DOKEOS_INSTALL'))
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{
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// Write the Dokeos config file
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write_dokeos_config_file($newPath.'main/inc/conf/configuration.php');
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// Write a distribution file with the config as a backup for the admin
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write_dokeos_config_file($newPath.'main/inc/conf/configuration.dist.php');
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// Write a .htaccess file in the course repository
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write_courses_htaccess_file($urlAppendPath);
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require_once ('../inc/lib/fileManage.lib.php');
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// First remove the upload/users directory in the new installation
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removeDir($newPath.'main/upload/users');
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// Move the old user images to the new installation
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@ rename($oldPath.'main/img/users', $newPath.'main/upload/users');
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if (!@ rename($oldPath.'main/inc/conf/configuration.php', $oldPath.'main/inc/conf/configuration.php.old'))
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{
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unlink($oldPath.'main/inc/conf/configuration.php');
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}
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}
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}
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else
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{
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echo 'You are not allowed here !';
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}
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?>
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