mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-03 17:59:21 +02:00
393 lines
8.2 KiB
PHP
393 lines
8.2 KiB
PHP
<?php
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/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
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/**
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* Debug Library
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*
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* This library is loaded when somehow our mojo has
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* been lost, it contains functions for checking sql
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* connections, web paths etc..
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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 (c) 2001 - 2011 Ampache.org All Rights Reserved
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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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* @package Ampache
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* @copyright 2001 - 2011 Ampache.org
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* @license http://opensource.org/licenses/gpl-2.0 GPLv2
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* @link http://www.ampache.org/
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*/
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/**
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* check_database
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*
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* checks the local mysql db and make sure life is good
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*
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* @param string $host Hostname
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* @param string $username Username
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* @param string $pass Password
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* @return mixed false or Database resource
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*/
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function check_database($host,$username,$pass) {
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$dbh = @mysql_connect($host, $username, $pass);
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if (!is_resource($dbh)) {
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return false;
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}
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if (!$host || !$username) {
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return false;
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}
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return $dbh;
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} // check_database
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/**
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* check_database_inserted
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* checks to make sure that you have inserted the database
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* and that the user you are using has access to it
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*/
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function check_database_inserted($dbh,$db_name) {
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$sql = "DESCRIBE session";
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$db_results = Dba::read($sql);
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if (!$db_results) {
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return false;
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}
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// Make sure the whole table is there
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if (Dba::num_rows($db_results) != '7') {
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return false;
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}
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return true;
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} // check_database_inserted
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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($level=0) {
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if (floatval(phpversion()) < 5.1) {
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return false;
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}
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// Poor windows users if only their OS wasn't behind the times
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if (strtoupper(substr(PHP_OS,0,3)) == 'WIN' AND floatval(phpversion()) < 5.3) {
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return false;
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}
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// Make sure that they have the sha256() algo installed
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if (!function_exists('hash_algos')) { return false; }
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$algos = hash_algos();
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if (!in_array('sha256',$algos)) {
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return false;
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}
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return true;
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} // check_php_ver
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/**
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* check_php_mysql
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* checks for mysql support by looking for the mysql_query function
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*/
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function check_php_mysql() {
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if (!function_exists('mysql_query')) {
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return false;
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}
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return true;
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} // check_php_mysql
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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_php_iconv
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* checks to see if you have iconv installed
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*/
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function check_php_iconv() {
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if (!function_exists('iconv')) {
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return false;
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}
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return true;
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} // check_php_iconv
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/**
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* check_php_pcre
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* This makes sure they have pcre (preg_???) support
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* compiled into PHP this is required!
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*/
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function check_php_pcre() {
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if (!function_exists('preg_match')) {
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return false;
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}
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return true;
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} // check_php_pcre
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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($current_memory) < 48) {
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return false;
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}
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return true;
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} // check_php_memory
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/**
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* check_php_timelimit
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* This checks to make sure that the php timelimit is set to some
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* semi-sane limit, IE greater then 30 seconds
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*/
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function check_php_timelimit() {
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$current = ini_get('max_execution_time');
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if (intval($current) < 60) {
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return false;
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}
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return true;
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} // check_php_timelimit
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/**
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* check_safe_mode
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* Checks to make sure we aren't in safe mode
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*/
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function check_safemode() {
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if (ini_get('safe_mode')) {
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return false;
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}
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return true;
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}
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/**
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* check_override_memory
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* This checks to see if we can manually override the memory limit
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*/
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function check_override_memory() {
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/* Check memory */
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$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 = $key . ' = ' . addslashes($value);
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}
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elseif (isset($current[$key])) {
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$line = $key . ' = "' . addslashes($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 $final;
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} // generate_config
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/**
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* debug_ok
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* Return an "OK" with the specified string
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*/
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function debug_result($comment,$status=false,$value=false) {
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$class = $status ? 'ok' : 'notok';
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if (!$value) {
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$value = $status ? 'OK' : 'ERROR';
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}
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$final = '<span class="' . $class . '">' . scrub_out($value) . '</span> <em>' . $comment . '</em>';
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return $final;
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} // debug_ok
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?>
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