SuiteCrm\Install\SystemChecker

Complexity

Total Complexity

28

Size/Duplication

Total Lines	135
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	1
Bugs	0	Features	0

11 Methods

Rating	Name	Duplication	Size	Complexity
A	runChecks()	0	12	1
B	checkCacheDirs()	0	21	5
A	checkCustomDirectory()	0	5	2
A	checkConfigOverrideFile()	0	10	4
A	checkConfigFile()	0	7	4
A	checkZipSupport()	0	5	2
A	checkMbstrings()	0	5	2
A	checkXmlParsing()	0	5	2
A	checkDatabaseConnection()	0	6	2
A	checkPhpBackwardCompatibilityVersion()	0	5	2
A	checkPhpVersion()	0	6	2

<?php
/**
 * Created by Adam Jakab.
 * Date: 08/03/16
 * Time: 16.07
 */

namespace SuiteCrm\Install;


class SystemChecker {

    /**
     * Run all system checks prior to installation
     * @throws \Exception
     */
    public static function runChecks() {
        self::checkPhpVersion();
        self::checkPhpBackwardCompatibilityVersion();
        self::checkDatabaseConnection();
        self::checkXmlParsing();
        self::checkMbstrings();
        self::checkZipSupport();
        self::checkConfigFile();
        self::checkConfigOverrideFile();
        self::checkCustomDirectory();
        self::checkCacheDirs();
    }

    /**
     * @throws \Exception
     */
    protected static function checkCacheDirs() {
        $cache_files = [
            'images',
            'layout',
            'pdf',
            'xml',
            'include/javascript'
        ];
        foreach ($cache_files as $cache_file) {
            $dirname = PROJECT_ROOT . '/' . sugar_cached( $cache_file);
            $ok = FALSE;
            if ((is_dir($dirname)) || @sugar_mkdir($dirname, 0755, TRUE)) {
                $ok = make_writable($dirname);
            }
            if (!$ok) {
                throw new \Exception("The Cache Directory($dirname) is not writable.");
            } else {
                echo "\n" . $dirname;
            }
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkCustomDirectory() {
        if (!make_writable(PROJECT_ROOT . '/custom')) {
            throw new \Exception("The Custom Directory exists but is not writable.");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkConfigOverrideFile() {
        if (file_exists(PROJECT_ROOT . '/config_override.php')
            && (!(make_writable(PROJECT_ROOT . '/config_override.php'))
                || !(is_writable(
                    PROJECT_ROOT . '/config_override.php'
                )))
        ) {
            throw new \Exception("The config_override file is not writable!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkConfigFile() {
        if (file_exists(PROJECT_ROOT . '/config.php')
            && (!(make_writable(PROJECT_ROOT . '/config.php')) || !(is_writable(PROJECT_ROOT . '/config.php')))
        ) {
            throw new \Exception("The config file is not writable!");
        }
    }


    /**
     * @throws \Exception
     */
    protected static function checkZipSupport() {
        if (!class_exists('ZipArchive')) {
            throw new \Exception("ZIP support is unavailable!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkMbstrings() {
        if (!function_exists('mb_strlen')) {
            throw new \Exception("MBString support is unavailable!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkXmlParsing() {
        if (!function_exists('xml_parser_create')) {
            throw new \Exception("XML Parser Libraries are unavailable!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkDatabaseConnection() {
        $drivers = \DBManagerFactory::getDbDrivers();
        if (empty($drivers)) {
            throw new \Exception("No Database driver is available!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkPhpBackwardCompatibilityVersion() {
        if (ini_get("zend.ze1_compatibility_mode")) {
            throw new \Exception("Php Backward Compatibility mode is turned on. Set zend.ze1_compatibility_mode to Off!");
        }
    }

    /**
     * @throws \Exception
     */
    protected static function checkPhpVersion() {
        $php_version = constant('PHP_VERSION');
        if (check_php_version($php_version) == -1) {
            throw new \Exception("Your version of PHP is not supported by SuiteCRM: $php_version!");
        }
    }
}