/**
* The standardized result of any pass/fail check performed by the setup
* @copyright Copyright (C) 2010-2012 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
class CheckResult
{
// Severity levels
const ERROR = 0;
const WARNING = 1;
const INFO = 2;
public $iSeverity;
public $sLabel;
public $sDescription;
public function __construct($iSeverity, $sLabel, $sDescription = '')
{
$this->iSeverity = $iSeverity;
$this->sLabel = $sLabel;
$this->sDescription = $sDescription;
}
}
/**
* Namespace for storing all the functions/utilities needed by both
* the setup wizard and the installation process
* @copyright Copyright (C) 2010-2012 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
class SetupUtils
{
const PHP_MIN_VERSION = '5.2.0';
const MYSQL_MIN_VERSION = '5.0.0';
const MIN_MEMORY_LIMIT = 33554432; // = 32*1024*1024 Beware: Computations are not allowed in defining constants
const SUHOSIN_GET_MAX_VALUE_LENGTH = 2048;
/**
* Check the version of PHP, the needed PHP extension and a number
* of configuration parameters (memory_limit, max_upload_file_size, etc...)
* @param SetupPage $oP The page used only for its 'log' method
* @return array An array of CheckResults objects
*/
static function CheckPHPVersion()
{
$aResult = array();
// For log file(s)
if (!is_dir(APPROOT.'log'))
{
@mkdir(APPROOT.'log');
}
SetupPage::log('Info - CheckPHPVersion');
if (version_compare(phpversion(), self::PHP_MIN_VERSION, '>='))
{
$aResult[] = new CheckResult(CheckResult::INFO, "The current PHP Version (".phpversion().") is greater than the minimum version required to run ".ITOP_APPLICATION.", which is (".self::PHP_MIN_VERSION.")");
}
else
{
$aResult[] = new CheckResult(CheckResult::ERROR, "Error: The current PHP Version (".phpversion().") is lower than the minimum version required to run ".ITOP_APPLICATION.", which is (".self::PHP_MIN_VERSION.")");
}
// Check the common directories
$aWritableDirsErrors = self::CheckWritableDirs(array('log', 'env-production', 'conf', 'data'));
$aResult = array_merge($aResult, $aWritableDirsErrors);
$aMandatoryExtensions = array('mysqli', 'iconv', 'simplexml', 'soap', 'hash', 'json', 'session', 'pcre', 'dom', 'zip');
$aOptionalExtensions = array('mcrypt' => 'Strong encryption will not be used.',
'ldap' => 'LDAP authentication will be disabled.');
asort($aMandatoryExtensions); // Sort the list to look clean !
ksort($aOptionalExtensions); // Sort the list to look clean !
$aExtensionsOk = array();
$aMissingExtensions = array();
$aMissingExtensionsLinks = array();
// First check the mandatory extensions
foreach($aMandatoryExtensions as $sExtension)
{
if (extension_loaded($sExtension))
{
$aExtensionsOk[] = $sExtension;
}
else
{
$aMissingExtensions[] = $sExtension;
$aMissingExtensionsLinks[] = "$sExtension";
}
}
if (count($aExtensionsOk) > 0)
{
$aResult[] = new CheckResult(CheckResult::INFO, "Required PHP extension(s): ".implode(', ', $aExtensionsOk).".");
}
if (count($aMissingExtensions) > 0)
{
$aResult[] = new CheckResult(CheckResult::ERROR, "Missing PHP extension(s): ".implode(', ', $aMissingExtensionsLinks).".");
}
// Next check the optional extensions
$aExtensionsOk = array();
$aMissingExtensions = array();
foreach($aOptionalExtensions as $sExtension => $sMessage)
{
if (extension_loaded($sExtension))
{
$aExtensionsOk[] = $sExtension;
}
else
{
$aMissingExtensions[$sExtension] = $sMessage;
}
}
if (count($aExtensionsOk) > 0)
{
$aResult[] = new CheckResult(CheckResult::INFO, "Optional PHP extension(s): ".implode(', ', $aExtensionsOk).".");
}
if (count($aMissingExtensions) > 0)
{
foreach($aMissingExtensions as $sExtension => $sMessage)
{
$aResult[] = new CheckResult(CheckResult::WARNING, "Missing optional PHP extension: $sExtension. ".$sMessage);
}
}
// Check some ini settings here
if (function_exists('php_ini_loaded_file')) // PHP >= 5.2.4
{
$sPhpIniFile = php_ini_loaded_file();
// Other included/scanned files
if ($sFileList = php_ini_scanned_files())
{
if (strlen($sFileList) > 0)
{
$aFiles = explode(',', $sFileList);
foreach ($aFiles as $sFile)
{
$sPhpIniFile .= ', '.trim($sFile);
}
}
}
SetupPage::log("Info - php.ini file(s): '$sPhpIniFile'");
}
else
{
$sPhpIniFile = 'php.ini';
}
if (!ini_get('file_uploads'))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "Files upload is not allowed on this server (file_uploads = ".ini_get('file_uploads').").");
}
$sUploadTmpDir = self::GetUploadTmpDir();
if (empty($sUploadTmpDir))
{
$sUploadTmpDir = '/tmp';
$aResult[] = new CheckResult(CheckResult::WARNING, "Temporary directory for files upload is not defined (upload_tmp_dir), assuming that $sUploadTmpDir is used.");
}
// check that the upload directory is indeed writable from PHP
if (!empty($sUploadTmpDir))
{
if (!file_exists($sUploadTmpDir))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "Temporary directory for files upload ($sUploadTmpDir) does not exist or cannot be read by PHP.");
}
else if (!is_writable($sUploadTmpDir))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "Temporary directory for files upload ($sUploadTmpDir) is not writable.");
}
else
{
SetupPage::log("Info - Temporary directory for files upload ($sUploadTmpDir) is writable.");
}
}
if (!ini_get('upload_max_filesize'))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "File upload is not allowed on this server (upload_max_filesize = ".ini_get('upload_max_filesize').").");
}
$iMaxFileUploads = ini_get('max_file_uploads');
if (!empty($iMaxFileUploads) && ($iMaxFileUploads < 1))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "File upload is not allowed on this server (max_file_uploads = ".ini_get('max_file_uploads').").");
}
$iMaxUploadSize = utils::ConvertToBytes(ini_get('upload_max_filesize'));
$iMaxPostSize = utils::ConvertToBytes(ini_get('post_max_size'));
if ($iMaxPostSize <= $iMaxUploadSize)
{
$aResult[] = new CheckResult(CheckResult::WARNING, "post_max_size (".ini_get('post_max_size').") in php.ini should be strictly greater than upload_max_filesize (".ini_get('upload_max_filesize').") otherwise you cannot upload files of the maximum size.");
}
SetupPage::log("Info - upload_max_filesize: ".ini_get('upload_max_filesize'));
SetupPage::log("Info - post_max_size: ".ini_get('post_max_size'));
SetupPage::log("Info - max_file_uploads: ".ini_get('max_file_uploads'));
// Check some more ini settings here, needed for file upload
if (function_exists('get_magic_quotes_gpc'))
{
if (@get_magic_quotes_gpc())
{
$aResult[] = new CheckResult(CheckResult::ERROR, "'magic_quotes_gpc' is set to On. Please turn it Off in php.ini before continuing.");
}
}
if (function_exists('magic_quotes_runtime'))
{
if (@magic_quotes_runtime())
{
$aResult[] = new CheckResult(CheckResult::ERROR, "'magic_quotes_runtime' is set to On. Please turn it Off in php.ini before continuing.");
}
}
$sMemoryLimit = trim(ini_get('memory_limit'));
if (empty($sMemoryLimit))
{
// On some PHP installations, memory_limit does not exist as a PHP setting!
// (encountered on a 5.2.0 under Windows)
// In that case, ini_set will not work, let's keep track of this and proceed anyway
$aResult[] = new CheckResult(CheckResult::WARNING, "No memory limit has been defined in this instance of PHP");
}
else
{
// Check that the limit will allow us to load the data
//
$iMemoryLimit = utils::ConvertToBytes($sMemoryLimit);
if ($iMemoryLimit < self::MIN_MEMORY_LIMIT)
{
$aResult[] = new CheckResult(CheckResult::ERROR, "memory_limit ($iMemoryLimit) is too small, the minimum value to run the application is ".self::MIN_MEMORY_LIMIT.".");
}
else
{
SetupPage::log("Info - memory_limit is $iMemoryLimit, ok.");
}
}
// Special case for APC
if (extension_loaded('apc'))
{
$sAPCVersion = phpversion('apc');
$aResult[] = new CheckResult(CheckResult::INFO, "APC detected (version $sAPCVersion). The APC cache will be used to speed-up ".ITOP_APPLICATION.".");
}
// Special case Suhosin extension
if (extension_loaded('suhosin'))
{
$sSuhosinVersion = phpversion('suhosin');
$aOk[] = "Suhosin extension detected (version $sSuhosinVersion).";
$iGetMaxValueLength = ini_get('suhosin.get.max_value_length');
if ($iGetMaxValueLength < self::SUHOSIN_GET_MAX_VALUE_LENGTH)
{
$aResult[] = new CheckResult(CheckResult::WARNING, "suhosin.get.max_value_length ($iGetMaxValueLength) is too small, the minimum value recommended to run the application is ".self::SUHOSIN_GET_MAX_VALUE_LENGTH.".");
}
else
{
SetupPage::log("Info - suhosin.get.max_value_length = $iGetMaxValueLength, ok.");
}
}
if (function_exists('php_ini_loaded_file')) // PHP >= 5.2.4
{
$sPhpIniFile = php_ini_loaded_file();
// Other included/scanned files
if ($sFileList = php_ini_scanned_files())
{
if (strlen($sFileList) > 0)
{
$aFiles = explode(',', $sFileList);
foreach ($aFiles as $sFile)
{
$sPhpIniFile .= ', '.trim($sFile);
}
}
}
$aResult[] = new CheckResult(CheckResult::INFO, "Loaded php.ini files: $sPhpIniFile");
}
// Check the configuration of the sessions persistence, since this is critical for the authentication
if (ini_get('session.save_handler') == 'files')
{
$sSavePath = ini_get('session.save_path');
SetupPage::log("Info - session.save_path is: '$sSavePath'.");
// According to the PHP documentation, the format can be /path/where/to_save_sessions or "N;/path/where/to_save_sessions" or "N;MODE;/path/where/to_save_sessions"
$sSavePath = ltrim(rtrim($sSavePath, '"'), '"'); // remove surrounding quotes (if any)
if (!empty($sSavePath))
{
if (($iPos = strrpos($sSavePath, ';', 0)) !== false)
{
// The actual path is after the last semicolon
$sSavePath = substr($sSavePath, $iPos+1);
}
if (!is_writable($sSavePath))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "The value for session.save_path ($sSavePath) is not writable for the web server. Make sure that PHP can actually save session variables. (Refer to the PHP documentation: http://php.net/manual/en/session.configuration.php#ini.session.save-path)");
}
else
{
$aResult[] = new CheckResult(CheckResult::INFO, "The value for session.save_path ($sSavePath) is writable for the web server.");
}
}
else
{
$aResult[] = new CheckResult(CheckResult::WARNING, "Empty path for session.save_path. Make sure that PHP can actually save session variables. (Refer to the PHP documentation: http://php.net/manual/en/session.configuration.php#ini.session.save-path)");
}
}
else
{
$aResult[] = new CheckResult(CheckResult::INFO, "session.save_handler is: '".ini_get('session.save_handler')."' (different from 'files').");
}
return $aResult;
}
/**
* Check that the selected modules meet their dependencies
*/
static function CheckSelectedModules($sSourceDir, $sExtensionDir, $aSelectedModules)
{
$aResult = array();
SetupPage::log('Info - CheckSelectedModules');
$aDirsToScan = array(APPROOT.$sSourceDir);
$sExtensionsPath = APPROOT.$sExtensionDir;
if (is_dir($sExtensionsPath))
{
// if the extensions dir exists, scan it for additional modules as well
$aDirsToScan[] = $sExtensionsPath;
}
require_once(APPROOT.'setup/modulediscovery.class.inc.php');
try
{
ModuleDiscovery::GetAvailableModules($aDirsToScan, true, $aSelectedModules);
}
catch(MissingDependencyException $e)
{
$aResult[] = new CheckResult(CheckResult::ERROR, $e->getMessage());
}
return $aResult;
}
/**
* Check that the backup could be executed
* @param Page $oP The page used only for its 'log' method
* @return array An array of CheckResults objects
*/
static function CheckBackupPrerequisites($sDestDir)
{
$aResult = array();
SetupPage::log('Info - CheckBackupPrerequisites');
// zip extension
//
if (!extension_loaded('zip'))
{
$sMissingExtensionLink = "zip";
$aResult[] = new CheckResult(CheckResult::ERROR, "Missing PHP extension: zip", $sMissingExtensionLink);
}
// availability of exec()
//
$aDisabled = explode(', ', ini_get('disable_functions'));
SetupPage::log('Info - PHP functions disabled: '.implode(', ', $aDisabled));
if (in_array('exec', $aDisabled))
{
$aResult[] = new CheckResult(CheckResult::ERROR, "The PHP exec() function has been disabled on this server");
}
// availability of mysqldump
$sMySQLBinDir = utils::ReadParam('mysql_bindir', '', true);
if (empty($sMySQLBinDir))
{
$sMySQLDump = 'mysqldump';
}
else
{
SetupPage::log('Info - Found mysql_bindir: '.$sMySQLBinDir);
$sMySQLDump = '"'.$sMySQLBinDir.'/mysqldump"';
}
$sCommand = "$sMySQLDump -V 2>&1";
$aOutput = array();
$iRetCode = 0;
exec($sCommand, $aOutput, $iRetCode);
if ($iRetCode == 0)
{
$aResult[] = new CheckResult(CheckResult::INFO, "mysqldump is present: ".$aOutput[0]);
}
elseif ($iRetCode == 1)
{
$aResult[] = new CheckResult(CheckResult::ERROR, "mysqldump could not be found: ".implode(' ', $aOutput)." - Please make sure it is installed and in the path.");
}
else
{
$aResult[] = new CheckResult(CheckResult::ERROR, "mysqldump could not be executed (retcode=$iRetCode): Please make sure it is installed and in the path");
}
foreach($aOutput as $sLine)
{
SetupPage::log('Info - mysqldump -V said: '.$sLine);
}
// check disk space
// to do... evaluate how we can correlate the DB size with the size of the dump (and the zip!)
// E.g. 2,28 Mb after a full install, giving a zip of 26 Kb (data = 26 Kb)
// Example of query (DB without a suffix)
//$sDBSize = "SELECT SUM(ROUND(DATA_LENGTH/1024/1024, 2)) AS size_mb FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = `$sDBName`";
return $aResult;
}
/**
* Helper function to retrieve the system's temporary directory
* Emulates sys_get_temp_dir if neeed (PHP < 5.2.1)
* @return string Path to the system's temp directory
*/
static function GetTmpDir()
{
// try to figure out what is the temporary directory
// prior to PHP 5.2.1 the function sys_get_temp_dir
// did not exist
if ( !function_exists('sys_get_temp_dir'))
{
if( $temp=getenv('TMP') ) return realpath($temp);
if( $temp=getenv('TEMP') ) return realpath($temp);
if( $temp=getenv('TMPDIR') ) return realpath($temp);
$temp=tempnam(__FILE__,'');
if (file_exists($temp))
{
unlink($temp);
return realpath(dirname($temp));
}
return null;
}
else
{
return realpath(sys_get_temp_dir());
}
}
/**
* Helper function to retrieve the directory where files are to be uploaded
* @return string Path to the temp directory used for uploading files
*/
static function GetUploadTmpDir()
{
$sPath = ini_get('upload_tmp_dir');
if (empty($sPath))
{
$sPath = self::GetTmpDir();
}
return $sPath;
}
/**
* Helper to recursively remove a directory
*/
public static function rrmdir($dir)
{
if ((strlen(trim($dir)) == 0) || ($dir == '/') || ($dir == '\\'))
{
throw new Exception("Attempting to delete directory: '$dir'");
}
self::tidydir($dir);
rmdir($dir);
}
/**
* Helper to recursively cleanup a directory
*/
public static function tidydir($dir)
{
if ((strlen(trim($dir)) == 0) || ($dir == '/') || ($dir == '\\'))
{
throw new Exception("Attempting to delete directory: '$dir'");
}
$aFiles = scandir($dir); // Warning glob('.*') does not seem to return the broken symbolic links, thus leaving a non-empty directory
if ($aFiles !== false)
{
foreach($aFiles as $file)
{
if (($file != '.') && ($file != '..'))
{
if(is_dir($dir.'/'.$file))
{
self::tidydir($dir.'/'.$file);
rmdir($dir.'/'.$file);
}
else
{
if (!unlink($dir.'/'.$file))
{
SetupPage::log("Warning - FAILED to remove file '$dir/$file'");
}
else if (file_exists($dir.'/'.$file))
{
SetupPage::log("Warning - FAILED to remove file '$dir/.$file'");
}
}
}
}
}
}
/**
* Helper to build the full path of a new directory
*/
public static function builddir($dir)
{
$parent = dirname($dir);
if(!is_dir($parent))
{
self::builddir($parent);
}
if (!is_dir($dir))
{
mkdir($dir);
}
}
/**
* Helper to copy a directory to a target directory, skipping .SVN files (for developer's comfort!)
* Returns true if successfull
*/
public static function copydir($sSource, $sDest, $bUseSymbolicLinks = false)
{
if (is_dir($sSource))
{
if (!is_dir($sDest))
{
mkdir($sDest);
}
$aFiles = scandir($sSource);
if(sizeof($aFiles) > 0 )
{
foreach($aFiles as $sFile)
{
if ($sFile == '.' || $sFile == '..' || $sFile == '.svn')
{
// Skip
continue;
}
if (is_dir($sSource.'/'.$sFile))
{
// Recurse
self::copydir($sSource.'/'.$sFile, $sDest.'/'.$sFile, $bUseSymbolicLinks);
}
else
{
if ($bUseSymbolicLinks)
{
if (function_exists('symlink'))
{
if (file_exists($sDest.'/'.$sFile))
{
unlink($sDest.'/'.$sFile);
}
symlink($sSource.'/'.$sFile, $sDest.'/'.$sFile);
}
else
{
throw(new Exception("Error, cannot *copy* '$sSource/$sFile' to '$sDest/$sFile' using symbolic links, 'symlink' is not supported on this system."));
}
}
else
{
if (is_link($sDest.'/'.$sFile))
{
unlink($sDest.'/'.$sFile);
}
copy($sSource.'/'.$sFile, $sDest.'/'.$sFile);
}
}
}
}
return true;
}
elseif (is_file($sSource))
{
if ($bUseSymbolicLinks)
{
if (function_exists('symlink'))
{
return symlink($sSource, $sDest);
}
else
{
throw(new Exception("Error, cannot *copy* '$sSource' to '$sDest' using symbolic links, 'symlink' is not supported on this system."));
}
}
else
{
return copy($sSource, $sDest);
}
}
else
{
return false;
}
}
/**
* Helper to move a directory when the parent directory of the target dir cannot be written
* To be used as alternative to rename()
* Files/Subdirs of the source directory are moved one by one
* Returns void
*/
public static function movedir($sSource, $sDest)
{
if (!is_dir($sSource))
{
throw new Exception("movedir: the source directory '$sSource' is not a valid directory or cannot be read");
}
if (!is_dir($sDest))
{
self::builddir($sDest);
}
else
{
self::tidydir($sDest);
}
self::copydir($sSource, $sDest);
self::tidydir($sSource);
rmdir($sSource);
/**
* We have tried the following implementation (based on a rename/mv)
* But this does not work on some OSes.
* More info: https://bugs.php.net/bug.php?id=54097
*
$aFiles = scandir($sSource);
if(sizeof($aFiles) > 0)
{
foreach($aFiles as $sFile)
{
if ($sFile == '.' || $sFile == '..')
{
// Skip
continue;
}
rename($sSource.'/'.$sFile, $sDest.'/'.$sFile);
}
}
rmdir($sSource);
*/
}
static function GetPreviousInstance($sDir)
{
$bFound = false;
$sSourceDir = '';
$sSourceEnvironement = '';
$sConfigFile = '';
$aResult = array(
'found' => false,
);
if (file_exists($sDir.'/config-itop.php'))
{
$sSourceDir = $sDir;
$sSourceEnvironment = '';
$sConfigFile = $sDir.'/config-itop.php';
$aResult['found'] = true;
}
else if (file_exists($sDir.'/conf/production/config-itop.php'))
{
$sSourceDir = $sDir;
$sSourceEnvironment = 'production';
$sConfigFile = $sDir.'/conf/production/config-itop.php';
$aResult['found'] = true;
}
if ($aResult['found'])
{
$oPrevConf = new Config($sConfigFile);
$aResult = array(
'found' => true,
'source_dir' => $sSourceDir,
'source_environment' => $sSourceEnvironment,
'configuration_file' => $sConfigFile,
'db_server' => $oPrevConf->GetDBHost(),
'db_user' => $oPrevConf->GetDBUser(),
'db_pwd' => $oPrevConf->GetDBPwd(),
'db_name' => $oPrevConf->GetDBName(),
'db_prefix' => $oPrevConf->GetDBSubname(),
);
}
return $aResult;
}
static function CheckDiskSpace($sDir)
{
while(($f = @disk_free_space($sDir)) == false)
{
if ($sDir == dirname($sDir)) break;
if ($sDir == '.') break;
$sDir = dirname($sDir);
}
return $f;
}
static function HumanReadableSize($fBytes)
{
$aSizes = array('bytes', 'Kb', 'Mb', 'Gb', 'Tb', 'Pb', 'Hb');
$index = 0;
while (($fBytes > 1000) && ($index < count($aSizes)))
{
$index++;
$fBytes = $fBytes / 1000;
}
return sprintf('%.2f %s', $fBytes, $aSizes[$index]);
}
static function DisplayDBParameters($oPage, $bAllowDBCreation, $sDBServer, $sDBUser, $sDBPwd, $sDBName, $sDBPrefix, $sNewDBName = '')
{
$oPage->add('
');
$oPage->add('');
$oPage->add('
');
$oPage->add('
');
$oPage->add('
');
$oPage->add('');
$oPage->add('
');
$oPage->add('');
$oPage->add_script(
<<');
return false;
}
else
{
$("#v_"+sFieldId).html("");
return true;
}
}
else
{
$("#v_"+sFieldId).html('');
return false;
}
}
else if (bMandatory)
{
$("#v_"+sFieldId).html('');
return false;
}
else
{
$("#v_"+sFieldId).html("");
return true;
}
}
}
EOF
);
$oPage->add_ready_script(
<< Array of CheckResult, 'databases' => Array of database names (as strings) or null if not allowed)
*/
static function CheckServerConnection($sDBServer, $sDBUser, $sDBPwd)
{
$aResult = array('checks' => array(), 'databases' => null);
try
{
$oDBSource = new CMDBSource;
$oDBSource->Init($sDBServer, $sDBUser, $sDBPwd);
$aResult['checks'][] = new CheckResult(CheckResult::INFO, "Connection to '$sDBServer' as '$sDBUser' successful.");
$aResult['checks'][] = new CheckResult(CheckResult::INFO, "Info - User privileges: ".($oDBSource->GetRawPrivileges()));
$sDBVersion = $oDBSource->GetDBVersion();
if (version_compare($sDBVersion, self::MYSQL_MIN_VERSION, '>='))
{
$aResult['checks'][] = new CheckResult(CheckResult::INFO, "Current MySQL version ($sDBVersion), greater than minimum required version (".self::MYSQL_MIN_VERSION.")");
// Check some server variables
$iMaxAllowedPacket = $oDBSource->GetServerVariable('max_allowed_packet');
$iMaxUploadSize = utils::ConvertToBytes(ini_get('upload_max_filesize'));
if ($iMaxAllowedPacket >= (500 + $iMaxUploadSize)) // Allow some space for the query + the file to upload
{
$aResult['checks'][] = new CheckResult(CheckResult::INFO, "MySQL server's max_allowed_packet ($iMaxAllowedPacket) is big enough compared to upload_max_filesize ($iMaxUploadSize).");
}
else if($iMaxAllowedPacket < $iMaxUploadSize)
{
$aResult['checks'][] = new CheckResult(CheckResult::WARNING, "MySQL server's max_allowed_packet ($iMaxAllowedPacket) is not big enough. Please, consider setting it to at least ".(500 + $iMaxUploadSize).".");
}
$iMaxConnections = $oDBSource->GetServerVariable('max_connections');
if ($iMaxConnections < 5)
{
$aResult['checks'][] = new CheckResult(CheckResult::WARNING, "MySQL server's max_connections ($iMaxConnections) is not enough. Please, consider setting it to at least 5.");
}
else
{
$aResult['checks'][] = new CheckResult(CheckResult::INFO, "MySQL server's max_connections is set to $iMaxConnections.");
}
}
else
{
$aResult['checks'][] = new CheckResult(CheckResult::ERROR, "Error: Current MySQL version is ($sDBVersion), minimum required version (".self::MYSQL_MIN_VERSION.")");
}
try
{
$aResult['databases'] = $oDBSource->ListDB();
}
catch(Exception $e)
{
$aResult['databases'] = null;
}
}
catch(Exception $e)
{
return false;
}
return $aResult;
}
static public function GetMySQLVersion($sDBServer, $sDBUser, $sDBPwd)
{
$oDBSource = new CMDBSource;
$oDBSource->Init($sDBServer, $sDBUser, $sDBPwd);
$sDBVersion = $oDBSource->GetDBVersion();
return $sDBVersion;
}
static public function AsyncCheckDB($oPage, $aParameters)
{
$sDBServer = $aParameters['db_server'];
$sDBUser = $aParameters['db_user'];
$sDBPwd = $aParameters['db_pwd'];
$sDBName = $aParameters['db_name'];
$oPage->add_ready_script('oXHRCheckDB = null;');
$checks = SetupUtils::CheckServerConnection($sDBServer, $sDBUser, $sDBPwd);
if ($checks === false)
{
// Connection failed, disable the "Next" button
$oPage->add_ready_script('$("#wiz_form").data("db_connection", "error");');
$oPage->add_ready_script('$("#db_info").html("No connection to the database...");');
}
else
{
$aErrors = array();
$aWarnings = array();
foreach($checks['checks'] as $oCheck)
{
if ($oCheck->iSeverity == CheckResult::ERROR)
{
$aErrors[] = $oCheck->sLabel;
}
else if ($oCheck->iSeverity == CheckResult::WARNING)
{
$aWarnings[] = $oCheck->sLabel;
}
}
if (count($aErrors) > 0)
{
$oPage->add_ready_script('$("#wiz_form").data("db_connection", "error");');
$oPage->add_ready_script('$("#db_info").html(\'Error: '.htmlentities(implode(' ', $aErrors), ENT_QUOTES, 'UTF-8').'\');');
}
else if (count($aWarnings) > 0)
{
$oPage->add_ready_script('$("#wiz_form").data("db_connection", "");');
$oPage->add_ready_script('$("#db_info").html(\'Warning: '.htmlentities(implode(' ', $aWarnings), ENT_QUOTES, 'UTF-8').'\');');
}
else
{
$oPage->add_ready_script('$("#wiz_form").data("db_connection", "");');
$oPage->add_ready_script('$("#db_info").html(\' Database server connection Ok.\');');
}
if ($checks['databases'] == null)
{
$sDBNameInput = '';
$oPage->add_ready_script('$("#table_info").html(\' Not enough rights to enumerate the databases\');');
}
else
{
$sDBNameInput = '';
}
$oPage->add_ready_script('$("#db_name_container").html("'.addslashes($sDBNameInput).'");');
$oPage->add_ready_script('$("#db_name").bind("click keyup change", function() { $("#existing_db").attr("checked", "checked"); WizardUpdateButtons(); });');
}
$oPage->add_ready_script('WizardUpdateButtons();');
}
/**
* Helper function to get the available languages from the given directory
* @param $sDir Path to the dictionary
* @return an array of language code => description
*/
static public function GetAvailableLanguages($sDir)
{
require_once(APPROOT.'/core/coreexception.class.inc.php');
require_once(APPROOT.'/core/dict.class.inc.php');
$aFiles = scandir($sDir);
foreach($aFiles as $sFile)
{
if ($sFile == '.' || $sFile == '..' || $sFile == '.svn')
{
// Skip
continue;
}
$sFilePath = $sDir.'/'.$sFile;
if (is_file($sFilePath) && preg_match('/^.*dict.*\.php$/i', $sFilePath, $aMatches))
{
require_once($sFilePath);
}
}
return Dict::GetLanguages();
}
static public function GetLanguageSelect($sSourceDir, $sInputName, $sDefaultLanguageCode)
{
$sHtml = '';
return $sHtml;
}
/**
*
* @param bool $bAbortOnMissingDependency ...
* @param array $aModulesToLoad List of modules to search for, defaults to all if ommitted
*/
public static function AnalyzeInstallation($oWizard, $bAbortOnMissingDependency = false, $aModulesToLoad = null)
{
require_once(APPROOT.'/setup/moduleinstaller.class.inc.php');
$oConfig = new Config();
$sSourceDir = $oWizard->GetParameter('source_dir', '');
if (strpos($sSourceDir, APPROOT) !== false)
{
$sRelativeSourceDir = str_replace(APPROOT, '', $sSourceDir);
}
else if (strpos($sSourceDir, $oWizard->GetParameter('previous_version_dir')) !== false)
{
$sRelativeSourceDir = str_replace($oWizard->GetParameter('previous_version_dir'), '', $sSourceDir);
}
else
{
throw(new Exception('Internal error: AnalyzeInstallation: source_dir is neither under APPROOT nor under previous_installation_dir ???'));
}
$aParamValues = array(
'db_server' => $oWizard->GetParameter('db_server', ''),
'db_user' => $oWizard->GetParameter('db_user', ''),
'db_pwd' => $oWizard->GetParameter('db_pwd', ''),
'db_name' => $oWizard->GetParameter('db_name', ''),
'db_prefix' => $oWizard->GetParameter('db_prefix', ''),
'source_dir' => $sRelativeSourceDir,
);
$oConfig->UpdateFromParams($aParamValues, null);
$aDirsToScan = array($sSourceDir);
if (is_dir(APPROOT.'extensions'))
{
$aDirsToScan[] = APPROOT.'extensions';
}
if (is_dir(APPROOT.'data'))
{
$aDirsToScan[] = APPROOT.'extensions';
}
if (is_dir($oWizard->GetParameter('copy_extensions_from')))
{
$aDirsToScan[] = $oWizard->GetParameter('copy_extensions_from');
}
$sExtraDir = APPROOT.'data/production-modules/';
if (is_dir($sExtraDir))
{
$aDirsToScan[] = $sExtraDir;
}
$oProductionEnv = new RunTimeEnvironment();
$aAvailableModules = $oProductionEnv->AnalyzeInstallation($oConfig, $aDirsToScan, $bAbortOnMissingDependency, $aModulesToLoad);
foreach($aAvailableModules as $key => $aModule)
{
$bIsExtra = (array_key_exists('root_dir', $aModule) && (strpos($aModule['root_dir'], $sExtraDir) !== false)); // Some modules (root, datamodel) have no 'root_dir'
if ($bIsExtra)
{
// Modules in data/production-modules/ are considered as mandatory and always installed
$aAvailableModules[$key]['visible'] = false;
}
}
return $aAvailableModules;
}
public static function GetApplicationVersion($oWizard)
{
require_once(APPROOT.'/setup/moduleinstaller.class.inc.php');
$oConfig = new Config();
$aParamValues = array(
'db_server' => $oWizard->GetParameter('db_server', ''),
'db_user' => $oWizard->GetParameter('db_user', ''),
'db_pwd' => $oWizard->GetParameter('db_pwd', ''),
'db_name' => $oWizard->GetParameter('db_name', ''),
'db_prefix' => $oWizard->GetParameter('db_prefix', ''),
'source_dir' => '',
);
$oConfig->UpdateFromParams($aParamValues, null);
$oProductionEnv = new RunTimeEnvironment();
return $oProductionEnv->GetApplicationVersion($oConfig);
}
/**
* Checks if the content of a directory matches the given manifest
* @param string $sBaseDir Path to the root directory of iTop
* @param string $sSourceDir Relative path to the directory to check under $sBaseDir
* @param Array $aDOMManifest Array of array('path' => relative_path 'size'=> iSize, 'md5' => sHexMD5)
* @param Hash $aResult Used for recursion
* @return hash Hash array ('added' => array(), 'removed' => array(), 'modified' => array())
*/
public static function CheckDirAgainstManifest($sBaseDir, $sSourceDir, $aManifest, $aExcludeNames = array('.svn'), $aResult = null)
{
//echo "CheckDirAgainstManifest($sBaseDir, $sSourceDir ...)\n";
if ($aResult === null)
{
$aResult = array('added' => array(), 'removed' => array(), 'modified' => array());
}
if (substr($sSourceDir, 0, 1) == '/')
{
$sSourceDir = substr($sSourceDir, 1);
}
// Manifest limited to all the files supposed to be located in this directory
$aDirManifest = array();
foreach($aManifest as $aFileInfo)
{
$sDir = dirname($aFileInfo['path']);
if ($sDir == '.')
{
// Hmm... the file seems located at the root of iTop
$sDir = '';
}
if ($sDir == $sSourceDir)
{
$aDirManifest[basename($aFileInfo['path'])] = $aFileInfo;
}
}
//echo "The manifest contains ".count($aDirManifest)." files for the directory '$sSourceDir' (and below)\n";
// Read the content of the directory
foreach(glob($sBaseDir.'/'.$sSourceDir .'/*') as $sFilePath)
{
$sFile = basename($sFilePath);
//echo "Checking $sFile ($sFilePath)\n";
if (in_array(basename($sFile), $aExcludeNames)) continue;
if(is_dir($sFilePath))
{
$aResult = self::CheckDirAgainstManifest($sBaseDir, $sSourceDir.'/'.$sFile, $aManifest, $aExcludeNames, $aResult);
}
else
{
if (!array_key_exists($sFile, $aDirManifest))
{
//echo "New file ".$sFile." in $sSourceDir\n";
$aResult['added'][$sSourceDir.'/'.$sFile] = true;
}
else
{
$aStats = stat($sFilePath);
if ($aStats['size'] != $aDirManifest[$sFile]['size'])
{
// Different sizes
$aResult['modified'][$sSourceDir.'/'.$sFile] = 'Different sizes. Original size: '.$aDirManifest[$sFile]['size'].' bytes, actual file size on disk: '.$aStats['size'].' bytes.';
}
else
{
// Same size, compare the md5 signature
$sMD5 = md5_file($sFilePath);
if ($sMD5 != $aDirManifest[$sFile]['md5'])
{
$aResult['modified'][$sSourceDir.'/'.$sFile] = 'Content modified (MD5 checksums differ).';
//echo $sSourceDir.'/'.$sFile." modified ($sMD5 == {$aDirManifest[$sFile]['md5']})\n";
}
//else
//{
// echo $sSourceDir.'/'.$sFile." unmodified ($sMD5 == {$aDirManifest[$sFile]['md5']})\n";
//}
}
//echo "Removing ".$sFile." from aDirManifest\n";
unset($aDirManifest[$sFile]);
}
}
}
// What remains in the array are files that were deleted
foreach($aDirManifest as $sDeletedFile => $void)
{
$aResult['removed'][$sSourceDir.'/'.$sDeletedFile] = true;
}
return $aResult;
}
public static function CheckDataModelFiles($sManifestFile, $sBaseDir)
{
$oXML = simplexml_load_file($sManifestFile);
$aManifest = array();
foreach($oXML as $oFileInfo)
{
$aManifest[] = array('path' => (string)$oFileInfo->path, 'size' => (int)$oFileInfo->size, 'md5' => (string)$oFileInfo->md5);
}
$sBaseDir = preg_replace('|modules/?$|', '', $sBaseDir);
$aResults = self::CheckDirAgainstManifest($sBaseDir, 'modules', $aManifest);
// echo "
Comparison of ".dirname($sBaseDir)."/modules against $sManifestFile:\n".print_r($aResults, true)."
Comparison of ".dirname($sBaseDir)."/portal:\n".print_r($aResults, true)."
";
return $aResults;
}
public static function CheckVersion($sInstalledVersion, $sSourceDir)
{
$sManifestFilePath = self::GetVersionManifest($sInstalledVersion);
if ($sSourceDir != '')
{
if (file_exists($sManifestFilePath))
{
$aDMchanges = self::CheckDataModelFiles($sManifestFilePath, $sSourceDir);
//$aPortalChanges = self::CheckPortalFiles($sManifestFilePath, $sSourceDir);
//$aCodeChanges = self::CheckApplicationFiles($sManifestFilePath, $sSourceDir);
//echo("Changes detected compared to $sInstalledVersion: DataModel:
".print_r($aDMchanges, true)."
");
//echo("Changes detected compared to $sInstalledVersion: DataModel:
".print_r($aDMchanges, true)."
Portal:
".print_r($aPortalChanges, true)."
Code:
".print_r($aCodeChanges, true)."
");
return $aDMchanges;
}
else
{
return false;
}
}
else
{
throw(new Exception("Cannot check version '$sInstalledVersion', no source directory provided to check the files."));
}
}
public static function GetVersionManifest($sInstalledVersion)
{
if (preg_match('/^([0-9]+)\./', $sInstalledVersion, $aMatches))
{
return APPROOT.'datamodels/'.$aMatches[1].'.x/manifest-'.$sInstalledVersion.'.xml';
}
return false;
}
public static function CheckWritableDirs($aWritableDirs)
{
$aNonWritableDirs = array();
foreach($aWritableDirs as $sDir)
{
$sFullPath = APPROOT.$sDir;
if (is_dir($sFullPath) && !is_writable($sFullPath))
{
$aNonWritableDirs[APPROOT.$sDir] = new CheckResult(CheckResult::ERROR, "The directory '".APPROOT.$sDir."' exists but is not writable for the application.");
}
else if (file_exists($sFullPath) && !is_dir($sFullPath))
{
$aNonWritableDirs[APPROOT.$sDir] = new CheckResult(CheckResult::ERROR, ITOP_APPLICATION." needs the directory '".APPROOT.$sDir."' to be writable. However file named '".APPROOT.$sDir."' already exists.");
}
else if (!is_dir($sFullPath) && !is_writable(APPROOT))
{
$aNonWritableDirs[APPROOT.$sDir] = new CheckResult(CheckResult::ERROR, ITOP_APPLICATION." needs the directory '".APPROOT.$sDir."' to be writable. The directory '".APPROOT.$sDir."' does not exist and '".APPROOT."' is not writable, the application cannot create the directory '$sDir' inside it.");
}
}
return $aNonWritableDirs;
}
public static function GetLatestDataModelDir()
{
$sBaseDir = APPROOT.'datamodels';
$aDirs = glob($sBaseDir.'/*', GLOB_MARK | GLOB_ONLYDIR);
if ($aDirs !== false)
{
sort($aDirs);
// Windows: there is a backslash at the end (though the path is made of slashes!!!)
$sDir = basename(array_pop($aDirs));
$sRes = $sBaseDir.'/'.$sDir.'/';
return $sRes;
}
return false;
}
public static function GetCompatibleDataModelDir($sInstalledVersion)
{
if (preg_match('/^([0-9]+)\./', $sInstalledVersion, $aMatches))
{
$sMajorVersion = $aMatches[1];
$sDir = APPROOT.'datamodels/'.$sMajorVersion.'.x/';
if (is_dir($sDir))
{
return $sDir;
}
}
return false;
}
static public function GetDataModelVersion($sDatamodelDir)
{
$sVersionFile = $sDatamodelDir.'version.xml';
if (file_exists($sVersionFile))
{
$oParams = new XMLParameters($sVersionFile);
return $oParams->Get('version');
}
return false;
}
/**
* Returns an array of xml nodes describing the licences
*/
static public function GetLicenses()
{
$aLicenses = array();
foreach (glob(APPROOT.'setup/licenses/*.xml') as $sFile)
{
$oXml = simplexml_load_file($sFile);
foreach($oXml->license as $oLicense)
{
$aLicenses[] = $oLicense;
}
}
return $aLicenses;
}
}
/**
* Helper class to write rules (as PHP expressions) in the 'auto_select' field of the 'module'
*/
class SetupInfo
{
static $aSelectedModules = array();
/**
* Called by the setup process to initializes the list of selected modules. Do not call this method
* from an 'auto_select' rule
* @param hash $aModules
* @return void
*/
static function SetSelectedModules($aModules)
{
self::$aSelectedModules = $aModules;
}
/**
* Returns true if a module is selected (as a consequence of the end-user's choices,
* or because the module is hidden, or mandatory, or because of a previous auto_select rule)
* @param string $sModuleId The identifier of the module (without the version number. Example: itop-config-mgmt)
* @return boolean True if the module is already selected, false otherwise
*/
static function ModuleIsSelected($sModuleId)
{
return (array_key_exists($sModuleId, self::$aSelectedModules));
}
}
Error: '.htmlentities(implode('
Warning: '.htmlentities(implode('
Database server connection Ok.\');');
}
if ($checks['databases'] == null)
{
$sDBNameInput = '';
$oPage->add_ready_script('$("#table_info").html(\'