mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-04 02:09:23 +02:00
c8cd1da88f
The point of a convenience function is to be convenient, not to have an unused first parameter and always be surrounded by the same boilerplate.
296 lines
6.9 KiB
PHP
296 lines
6.9 KiB
PHP
<?php
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/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
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/**
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*
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* LICENSE: GNU General Public License, version 2 (GPLv2)
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* Copyright 2001 - 2013 Ampache.org
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*
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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 v2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/**
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* check_php_ver
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* checks the php version and makes
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* sure that it's good enough
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*/
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function check_php_ver($level=0) {
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if (floatval(phpversion()) < 5.3) {
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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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* check_php_session
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* checks to make sure the needed functions
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* for sessions exist
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*/
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function check_php_session() {
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if (!function_exists('session_set_save_handler')) {
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return false;
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}
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return true;
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} // check_php_session
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/**
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* check_pdo
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*
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* Checks to make sure that PDO is available.
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*/
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function check_pdo() {
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if (class_exists('PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
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return true;
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}
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return false;
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}
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/**
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* check_config_values
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* checks to make sure that they have at least set the needed variables
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*/
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function check_config_values($conf) {
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if (!$conf['database_hostname']) {
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return false;
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}
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if (!$conf['database_name']) {
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return false;
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}
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if (!$conf['database_username']) {
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return false;
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}
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if (!$conf['database_password']) {
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return false;
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}
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if (!$conf['session_length']) {
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return false;
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}
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if (!$conf['session_name']) {
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return false;
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}
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if (!isset($conf['session_cookielife'])) {
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return false;
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}
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if (!isset($conf['session_cookiesecure'])) {
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return false;
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}
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if (isset($conf['debug'])) {
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if (!isset($conf['log_path'])) {
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return false;
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}
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}
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return true;
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} // check_config_values
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/**
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* check_php_memory
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* This checks to make sure that the php memory limit is withing the
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* recommended range, this doesn't take into account the size of your
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* catalog.
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*/
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function check_php_memory() {
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$current_memory = ini_get('memory_limit');
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$current_memory = substr($current_memory,0,strlen($current_memory)-1);
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if (intval($current_memory) < 48) {
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return false;
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}
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return true;
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} // check_php_memory
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/**
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* check_php_timelimit
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* This checks to make sure that the php timelimit is set to some
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* semi-sane limit, IE greater then 60 seconds
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*/
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function check_php_timelimit() {
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$current = intval(ini_get('max_execution_time'));
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return ($current >= 60 || $current == 0);
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} // check_php_timelimit
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/**
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* check_safe_mode
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* Checks to make sure we aren't in safe mode
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*/
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function check_safemode() {
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if (ini_get('safe_mode')) {
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return false;
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}
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return true;
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}
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/**
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* check_override_memory
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* This checks to see if we can manually override the memory limit
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*/
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function check_override_memory() {
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/* Check memory */
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$current_memory = ini_get('memory_limit');
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$current_memory = substr($current_memory,0,strlen($current_memory)-1);
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$new_limit = ($current_memory+16) . "M";
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/* Bump it by 16 megs (for getid3)*/
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if (!ini_set('memory_limit',$new_limit)) {
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return false;
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}
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// Make sure it actually worked
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$new_memory = ini_get('memory_limit');
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if ($new_limit != $new_memory) {
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return false;
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}
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return true;
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}
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/**
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* check_override_exec_time
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* This checks to see if we can manually override the max execution time
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*/
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function check_override_exec_time() {
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$current = ini_get('max_execution_time');
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set_time_limit($current+60);
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if ($current == ini_get('max_execution_time')) {
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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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* check_gettext
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* This checks to see if you've got gettext installed
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*/
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function check_gettext() {
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if (!function_exists('gettext')) {
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return false;
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}
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return true;
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} // check_gettext
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/**
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* check_mbstring
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* This checks for mbstring support
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*/
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function check_mbstring() {
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if (!function_exists('mb_check_encoding')) {
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return false;
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}
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return true;
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} // check_mbstring
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/**
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* check_config_writable
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* This checks whether we can write the config file
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*/
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function check_config_writable() {
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// file eixsts && is writable, or dir is writable
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return ((file_exists(Config::get('prefix') . '/config/ampache.cfg.php') && is_writable(Config::get('prefix') . '/config/ampache.cfg.php'))
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|| (!file_exists(Config::get('prefix') . '/config/ampache.cfg.php') && is_writeable(Config::get('prefix') . '/config/')));
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}
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/**
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* generate_config
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* This takes an array of results and re-generates the config file
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* this is used by the installer and by the admin/system page
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*/
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function generate_config($current) {
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/* Start building the new config file */
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$distfile = Config::get('prefix') . '/config/ampache.cfg.php.dist';
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$handle = fopen($distfile,'r');
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$dist = fread($handle,filesize($distfile));
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fclose($handle);
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$data = explode("\n",$dist);
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/* Run throught the lines and set our settings */
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foreach ($data as $line) {
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/* Attempt to pull out Key */
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if (preg_match("/^;?([\w\d]+)\s+=\s+[\"]{1}(.*?)[\"]{1}$/",$line,$matches)
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|| preg_match("/^;?([\w\d]+)\s+=\s+[\']{1}(.*?)[\']{1}$/", $line, $matches)
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|| preg_match("/^;?([\w\d]+)\s+=\s+[\'\"]{0}(.*)[\'\"]{0}$/",$line,$matches)) {
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$key = $matches[1];
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$value = $matches[2];
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/* Put in the current value */
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if ($key == 'config_version') {
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$line = $key . ' = ' . escape_ini($value);
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}
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elseif (isset($current[$key])) {
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$line = $key . ' = "' . escape_ini($current[$key]) . '"';
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unset($current[$key]);
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} // if set
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} // if key
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$final .= $line . "\n";
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} // end foreach line
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return $final;
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} // generate_config
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/**
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* escape_ini
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* Escape a value used for inserting into an ini file.
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* Won't quote ', like addslashes does.
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*/
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function escape_ini($str) {
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return str_replace('"', '\"', $str);
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}
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/**
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* debug_result
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*
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* Convenience function to format the output.
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*/
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function debug_result($status = false, $value = null, $comment = '') {
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$class = $status ? 'ok' : 'notok';
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if (!$value) {
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$value = $status ? 'OK' : 'ERROR';
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}
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return '[ <span class="' . $class . '">' . scrub_out($value) .
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'</span> <em>' . $comment . '</em> ]';
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}
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?>
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