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<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2013 Ampache.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* 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.
*
*/
function check_php() {
if (
check_php_version() &&
check_php_hash() &&
check_php_hash_algo() &&
check_php_pdo() &&
check_php_pdo_mysql() &&
check_php_session() &&
check_php_json() &&
check_php_safemode()
) {
return true;
}
return false;
}
function check_php_version() {
if (floatval(phpversion()) < 5.3) {
return false;
}
return true;
}
function check_php_hash() {
return function_exists('hash_algos');
}
function check_php_hash_algo() {
return function_exists('hash_algos') ? in_array('sha256', hash_algos()) : false;
}
function check_php_json() {
return function_exists('json_encode');
}
function check_php_session() {
return function_exists('session_set_save_handler');
}
function check_php_pdo() {
return class_exists('PDO');
}
function check_php_pdo_mysql() {
return class_exists('PDO') ? in_array('mysql', PDO::getAvailableDrivers()) : false;
}
/**
* check_config_values
* checks to make sure that they have at least set the needed variables
*/
function check_config_values($conf) {
if (!$conf['database_hostname']) {
return false;
}
if (!$conf['database_name']) {
return false;
}
if (!$conf['database_username']) {
return false;
}
if (!$conf['database_password']) {
return false;
}
if (!$conf['session_length']) {
return false;
}
if (!$conf['session_name']) {
return false;
}
if (!isset($conf['session_cookielife'])) {
return false;
}
if (!isset($conf['session_cookiesecure'])) {
return false;
}
if (isset($conf['debug'])) {
if (!isset($conf['log_path'])) {
return false;
}
}
return true;
} // check_config_values
/**
* check_php_memory
* This checks to make sure that the php memory limit is withing the
* recommended range, this doesn't take into account the size of your
* catalog.
*/
function check_php_memory() {
$current_memory = ini_get('memory_limit');
$current_memory = substr($current_memory,0,strlen($current_memory)-1);
if (intval($current_memory) < 48) {
return false;
}
return true;
} // check_php_memory
/**
* check_php_timelimit
* This checks to make sure that the php timelimit is set to some
* semi-sane limit, IE greater then 60 seconds
*/
function check_php_timelimit() {
$current = intval(ini_get('max_execution_time'));
return ($current >= 60 || $current == 0);
} // check_php_timelimit
/**
* check_safe_mode
* Checks to make sure we aren't in safe mode
*/
function check_php_safemode() {
if (ini_get('safe_mode')) {
return false;
}
return true;
}
/**
* check_override_memory
* This checks to see if we can manually override the memory limit
*/
function check_override_memory() {
/* Check memory */
$current_memory = ini_get('memory_limit');
$current_memory = substr($current_memory,0,strlen($current_memory)-1);
$new_limit = ($current_memory+16) . "M";
/* Bump it by 16 megs (for getid3)*/
if (!ini_set('memory_limit',$new_limit)) {
return false;
}
// Make sure it actually worked
$new_memory = ini_get('memory_limit');
if ($new_limit != $new_memory) {
return false;
}
return true;
}
/**
* check_override_exec_time
* This checks to see if we can manually override the max execution time
*/
function check_override_exec_time() {
$current = ini_get('max_execution_time');
set_time_limit($current+60);
if ($current == ini_get('max_execution_time')) {
return false;
}
return true;
}
/**
* check_config_writable
* This checks whether we can write the config file
*/
function check_config_writable() {
// file eixsts && is writable, or dir is writable
return ((file_exists(Config::get('prefix') . '/config/ampache.cfg.php') && is_writable(Config::get('prefix') . '/config/ampache.cfg.php'))
|| (!file_exists(Config::get('prefix') . '/config/ampache.cfg.php') && is_writeable(Config::get('prefix') . '/config/')));
}
/**
* debug_result
*
* Convenience function to format the output.
*/
function debug_result($status = false, $value = null, $comment = '') {
$class = $status ? 'ok' : 'notok';
if (!$value) {
$value = $status ? 'OK' : 'ERROR';
}
return '[ <span class="' . $class . '">' . scrub_out($value) .
'</span> <em>' . $comment . '</em> ]';
}
?>
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