LDAPAccountManager/lam/lib/upgrade.inc

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<?php
/*
$Id:
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2012 Christian Kropp
2012 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* This file includes functions to upgrade the pdf/profiles configuration files.
*
* @package main
* @author Christian Kropp
* @author Roland Gruber
*/
/**
* check the write/read permission for the upgrade
*
* @return array - permission messages
*/
function testPermissions() {
$result = array();
if (!is_writable('../config')) {
$result[] = htmlspecialchars(realpath('../config'));
}
$result = array_merge($result, testPermissionRecursive('../config/profiles/'));
$result = array_merge($result, testPermissionRecursive('../config/pdf/'));
return $result;
}
/**
* Recursively checks the permissions in a directory.
*
* @param String $dir directory
* @return array list of files/directories with wrong permission
*/
function testPermissionRecursive($dir) {
$result = array();
if (!is_writable($dir)) {
$result[] = htmlspecialchars(realpath($dir));
}
$dirHandle = @opendir($dir);
if ($dirHandle != null) {
$file = @readdir($dirHandle);
while ($file !== false) {
if (($file != '.') && ($file != '..')) {
if (is_dir($dir . '/' . $file)) {
$result = array_merge($result, testPermissionRecursive($dir . '/' . $file));
}
elseif (!is_writable($dir . '/' . $file)) {
$result[] = htmlspecialchars(realpath($dir . '/' . $file));
}
}
$file = @readdir($dirHandle);
}
}
@closedir($dirHandle);
return $result;
}
/**
* Checks if the given directory contains files.
* This is used to check if config files need to be migrated.
*
* @param String $dir directory path
*/
function containsFiles($dir) {
$return = false;
$dirHandle = @opendir($dir);
if ($dirHandle != null) {
$file = @readdir($dirHandle);
while ($file !== false) {
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if (is_file($dir . '/' . $file) && ($file != '.htaccess')) {
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$return = true;
break;
}
$file = @readdir($dirHandle);
}
}
@closedir($dirHandle);
return $return;
}
/**
* Saves an hash array (attribute => value) to an account profile
*
* @param array $profiles server profiles
*/
function upgradeConfigToServerProfileFolders($profiles) {
if (!is_writable('../config')) {
StatusMessage('ERROR', 'Upgrade failed.', 'The directory \'/config\' has missing write permissions.');
return;
}
// copy default configs
if (!file_exists('../config/templates')) {
@mkdir('../config/templates');
recursiveCopy('../config/pdf/', '../config/templates/pdf/', $profiles, 'default.');
recursiveCopy('../config/profiles/', '../config/templates/profiles/', $profiles, 'default.');
}
foreach ($profiles as $profile) {
// upgrade PDF configs
$dir = '../config/pdf/' . $profile;
if (!file_exists($dir)) {
recursiveCopy('../config/pdf/', $dir, $profiles);
}
// upgrade profiles configs
$dir = '../config/profiles/' . $profile;
if (!file_exists($dir)) {
recursiveCopy('../config/profiles/', $dir, $profiles);
}
}
// delete old files
recursiveDelete('../config/pdf', $profiles);
recursiveDelete('../config/profiles', $profiles);
}
/**
* Saves an hash array (attribute => value) to an account profile
*
* @param array $profiles server profiles
*/
function copyConfigTemplates($profiles) {
foreach ($profiles as $profile) {
// copy templates but do not override existing files
recursiveCopy('../config/templates/pdf/', '../config/pdf/' . $profile, $profiles, null, false);
recursiveCopy('../config/templates/profiles/', '../config/profiles/' . $profile, $profiles, null, false);
}
}
/**
* Copy a file or recursively copy a directory
*
* @param string $src - source path to file or directory
* @param string $dst - destination path to file or directory
* @param array $profiles - server profiles (used to avoid copying of newly created folders)
* @param string $fileFilter copy only files that start with the given filter
* @param boolean $overwrite overwrite existing files
*/
function recursiveCopy($src, $dst, $profiles, $fileFilter = null, $overwrite = true) {
$dir = @opendir($src);
if (!file_exists($dst)) {
$tmpState = @mkdir($dst);
if ($tmpState === false) {
StatusMessage('ERROR', 'Upgrade failed.', 'The directory \'' . $dst . '\' could not be created.');
}
}
while (false !== ($file = @readdir($dir))) {
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if ($file != '.' && $file != '..' && !in_array($file, $profiles)) {
if (is_dir($src . '/' . $file) && ($file == 'logos')) {
recursiveCopy($src . '/' . $file, $dst . '/' . $file, $profiles, $fileFilter, $overwrite);
}
elseif ((isset($fileFilter) && (strpos($file, $fileFilter) === 0 || $file == '.htaccess'))
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|| (!isset($fileFilter))) {
if (!is_file($src . '/' . $file)) {
continue;
}
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if ($overwrite || !file_exists($dst . '/' . $file)) {
$tmpState = @copy($src . '/' . $file, $dst . '/' . $file);
if ($tmpState === false) {
StatusMessage('ERROR', 'Upgrade failed.', 'The file ' . $file . ' could not be copied.');
}
}
}
}
}
closedir($dir);
}
/**
* Delete a file or recursively delete a directory
*
* @param string $src - path to file or directory
* @param array $profiles - server profiles (used to avoid copying of newly created folders)
*/
function recursiveDelete($src, $profiles) {
if (is_file($src)) {
$tmpState = @unlink($src);
if ($tmpState === false) {
StatusMessage('ERROR', 'Upgrade failed.', 'The file ' . $src . ' could not be deleted.');
}
return;
} else if (is_dir($src) && is_writable($src)) {
$dir = @opendir($src);
while (false !== ($path = readdir($dir))) {
if ($path != '.' && $path != '..' && !in_array($path, $profiles)) {
recursiveDelete($src . '/' . $path, $profiles);
}
}
@closedir($dir);
if ($src != '../config/pdf' && $src != '../config/profiles') {
$tmpState = @rmdir($src);
if ($tmpState === false) {
StatusMessage('ERROR', 'Upgrade failed.', 'The directory ' . $src . ' could not be deleted.');
}
}
return;
} else {
StatusMessage('ERROR', 'Upgrade failed.', 'The directory ' . $src . ' has missing write permissions.');
return;
}
}
?>