/**
* The environment initialisation function for the mAdserve administration interface.
*
*/
function init()
{
global $mad_install_active;
// Set up server variables
setupServerVariables();
// Set up the UI constants
setupConstants();
// Set up the common configuration variables
setupConfigVariables();
// Setup Time Zone
if (MAD_TIMEZONE_OVERRIDE) {
$GLOBALS['_DATE_TIMEZONE_DEFAULT'] = MAD_DEFAULT_TIMEZONE;
date_default_timezone_set(MAD_DEFAULT_TIMEZONE);
}
error_reporting(E_ALL ^ E_NOTICE ^ E_WARNING ^ E_DEPRECATED);
// If not being called from the installation script...
if (!isset($GLOBALS['_MAX']['CONF']['madserve']['installed']) || !$GLOBALS['_MAX']['CONF']['madserve']['installed']) {
define('MAD_INSTALLATION_STATUS', MAD_INSTALLATION_STATUS_NOTINSTALLED);
} else {
if ($GLOBALS['_MAX']['CONF']['madserve']['installed'] && file_exists(MAD_PATH . '/conf/UPGRADE')) {
define('MAD_INSTALLATION_STATUS', MAD_INSTALLATION_STATUS_UPGRADING);
} else {
if ($GLOBALS['_MAX']['CONF']['madserve']['installed'] && file_exists(MAD_PATH . '/conf/INSTALLED')) {
define('MAD_INSTALLATION_STATUS', MAD_INSTALLATION_STATUS_INSTALLED);
}
}
}
// CHECK IF SCRIPT IS INSTALLED; OTHERWISE REDIRECT TO INSTALLER
if (MAD_INSTALLATION_STATUS != MAD_INSTALLATION_STATUS_INSTALLED && $mad_install_active != 1) {
require_once MAD_PATH . '/functions/adminredirect.php';
MAD_Admin_Redirect::redirect(MAD_ADSERVING_PROTOCOL . MAD_getHostName() . substr(dirname(__FILE__), strlen($_SERVER['DOCUMENT_ROOT'])) . '/www/cp/install.php');
exit;
}
// Store the original memory limit before changing it
$GLOBALS['_OX']['ORIGINAL_MEMORY_LIMIT'] = MAD_getMemoryLimitSizeInBytes();
// Increase the PHP memory_limit value to the mAdserve minimum required value, if necessary
MAD_increaseMemoryLimit(MAD_getMinimumRequiredMemory());
if (MAD_INSTALLATION_STATUS == MAD_INSTALLATION_STATUS_INSTALLED) {
if ($mad_install_active == 1) {
echo "mAdserve has already been installed.";
exit;
}
if (!MAD_connect_maindb()) {
echo "Unable to connect to mAdserve main database. Please check the variables supplied in /conf/main.config.php and verify that MySQL is running.";
exit;
}
if ($GLOBALS['_MAX']['CONF']['reportingdatabase']['useseparatereportingdatabase']) {
if (!MAD_connect_repdb()) {
echo "Unable to connect to separated mAdserve reporting database. Please check the variables supplied in /conf/main.config.php and verify that MySQL is running.";
exit;
}
}
}
if (!$GLOBALS['_MAX']['CONF']['reportingdatabase']['useseparatereportingdatabase']) {
global $repdb;
$repdb = $maindb;
}
}
function MAD_checkSystemInitialRequirements(&$aErrors)
{
$isSystemOK = true;
$return = true;
$aRequiredFunctions = array('dirname', 'empty', 'file_exists', 'ini_set', 'parse_ini_file', 'version_compare');
// Prepare error strings, in the simplest possible way
$errorString1 = 'The built in PHP function "';
$errorString2 = '" is in the "disable_functions" list in your "php.ini" file.';
// Need "function_exists" to be able to test for functions required
// for testing what is in the "disabled_functions" list
if (!function_exists('function_exists')) {
$aErrors[] = $errorString1 . 'function_exists' . $errorString2;
// Cannot detect any more errors, as function_exists is
// needed to detect the required functions!
return -1;
}
// Test for existence of "parse_url" and "strpos", which are
// special cases required for the display of the error message
// in the event of anything failing in this test!
if (!function_exists('parse_url')) {
$aErrors[] = $errorString1 . 'parse_url' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -2;
}
}
if (!function_exists('strpos')) {
$aErrors[] = $errorString1 . 'strpos' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -2;
}
}
// Test for existence of "array_intersect", "explode", "ini_get"
// and "trim", which are all required as part of the code to test
// which functions are in the "disabled_functions" list below...
if (!function_exists('array_intersect')) {
$aErrors[] = $errorString1 . 'array_intersect' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -3;
}
}
if (!function_exists('explode')) {
$aErrors[] = $errorString1 . 'explode' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -3;
}
}
if (!function_exists('ini_get')) {
$aErrors[] = $errorString1 . 'ini_get' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -3;
}
}
if (!function_exists('trim')) {
$aErrors[] = $errorString1 . 'trim' . $errorString2;
$isSystemOK = false;
if ($return === true) {
$return = -3;
}
}
// Test the disabled functons list with required functions list
// defined above in $aRequiredFunctions
$aDisabledFunctions = explode(',', ini_get('disable_functions'));
foreach ($aDisabledFunctions as $key => $value) {
$aDisabledFunctions[$key] = trim($value);
}
$aNeededFunctions = array_intersect($aDisabledFunctions, $aRequiredFunctions);
if (count($aNeededFunctions) > 0) {
$isSystemOK = false;
foreach ($aNeededFunctions as $functionName) {
$aErrors[] = $errorString1 . $functionName . $errorString2;
}
}
// Check PHP version, as use of PHP < 5.1.4 will result in parse errors
$errorMessage = "PHP version 5.1.4, or greater, was not detected.";
if (function_exists('version_compare')) {
$result = version_compare(phpversion(), '5.1.4', '<');
if ($result) {
$aErrors[] = $errorMessage;
$isSystemOK = false;
if ($return === true) {
$return = -3;
}
}
}
// Check minimum memory requirements are okay (24MB)
$minimumRequiredMemory = MAD_getMinimumRequiredMemory();
$phpMemoryLimit = MAD_getMemoryLimitSizeInBytes();
if ($phpMemoryLimit > 0 && $phpMemoryLimit < $minimumRequiredMemory) {
// The memory limit is too low, but can it be increased?
$memoryCanBeSet = MAD_checkMemoryCanBeSet();
if (!$memoryCanBeSet) {
$minimumRequiredMemoryInMB = $minimumRequiredMemory / 1048576;
$errorMessage = 'The PHP "memory_limit" value is set to less than the required minimum of ' . $minimumRequiredMemoryInMB . 'MB, but because the built in PHP function "ini_set" ' . 'has been disabled, the memory limit cannot be automatically increased.';
$aErrors[] = $errorMessage;
$isSystemOK = false;
if ($return === true) {
$return = -4;
}
}
}
// Check magic_quotes_runtime and try to unset it
$GLOBALS['original_get_magic_quotes_runtime'] = MAD_getMagicQuotesRuntime();
if ($GLOBALS['original_get_magic_quotes_runtime']) {
ini_set('magic_quotes_runtime', 0);
if (MAD_getMagicQuotesRuntime()) {
// try deprecated set_magic_quotes_runtime
if (function_exists('set_magic_quotes_runtime')) {
@set_magic_quotes_runtime(0);
}
}
// check magic_quotes_runtime again, stop if still is set
if (MAD_getMagicQuotesRuntime()) {
$aErrors[] = 'The PHP magic_quotes_runtime option is ON, and cannot be automatically turned off.';
$isSystemOK = false;
if ($return === true) {
$return = -5;
}
}
}
if (!$isSystemOK) {
return $return;
}
return true;
}
