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<?php |
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/** |
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* Class for checking system requirements. |
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* |
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* PHP Version 5.5 |
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* |
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* This Source Code Form is subject to the terms of the Mozilla Public License, |
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can |
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* obtain one at http://mozilla.org/MPL/2.0/. |
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* |
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* @category phpMyFAQ |
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* @author Thorsten Rinne <[email protected]> |
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* @copyright 2010-2016 phpMyFAQ Team |
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* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
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* @link http://www.phpmyfaq.de |
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* @since 2010-01-13 |
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*/ |
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/** |
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* PMF_System. |
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* |
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* @category phpMyFAQ |
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* @author Thorsten Rinne <[email protected]> |
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* @copyright 2010-2016 phpMyFAQ Team |
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* @license http://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
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* @link http://www.phpmyfaq.de |
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* @since 2010-01-13 |
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*/ |
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class PMF_System |
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{ |
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/** |
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* Major version. |
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*/ |
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const VERSION_MAJOR = 2; |
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/** |
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* Minor version. |
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*/ |
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const VERSION_MINOR = 9; |
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/** |
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* Patchlevel. |
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*/ |
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const VERSION_PATCHLEVEL = 0; |
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/** |
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* Pre-release version. |
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*/ |
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const VERSION_PRERELEASE = 'RC2'; |
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/** |
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* API version. |
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*/ |
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const VERSION_API = '1.1'; |
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/** |
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* Minimum required PHP version. |
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*/ |
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const VERSION_MINIMUM_PHP = '5.5.0'; |
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/** |
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* Array of required PHP extensions. |
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* |
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* @var array |
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*/ |
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private $requiredExtensions = [ |
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'curl', |
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'gd', |
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'json', |
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'xmlwriter', |
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'filter', |
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'zip', |
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'fileinfo' |
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]; |
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/** |
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* Array of missing PHP extensions. |
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* |
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* @var array |
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*/ |
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private $missingExtensions = []; |
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/** |
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* Supported databases for phpMyFAQ. |
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* |
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* @var array |
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*/ |
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private $supportedDatabases = [ |
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'mysqli' => [ self::VERSION_MINIMUM_PHP, 'MySQL 5.x / Percona Server 5.x / MariaDB 5.x and later' ], |
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'pgsql' => [ self::VERSION_MINIMUM_PHP, 'PostgreSQL 9.x' ], |
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'sqlite3' => [ self::VERSION_MINIMUM_PHP, 'SQLite 3' ], |
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'mssql' => [ self::VERSION_MINIMUM_PHP, 'MS SQL Server 2012 and later (deprecated)' ], |
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'sqlsrv' => [ self::VERSION_MINIMUM_PHP, 'MS SQL Server 2012 Driver for PHP'] |
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]; |
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/** |
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* Database handle. |
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* |
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* @var PMF_DB_Driver |
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*/ |
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private $database = null; |
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/** |
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* Sets the database handler. |
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* |
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* @param PMF_DB_Driver $database |
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* |
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* @return PMF_System |
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*/ |
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public function setDatabase(PMF_DB_Driver $database) |
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{ |
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$this->database = $database; |
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return $this; |
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} |
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/** |
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* Returns the current version of phpMyFAQ for installation and |
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* version in the database. |
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* |
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* Releases will be numbered with the follow format: |
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* <major>.<minor>.<patch>[-<prerelease>] |
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* |
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* @return string |
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*/ |
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public static function getVersion() |
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{ |
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if (null !== self::VERSION_PRERELEASE) { |
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return sprintf( |
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'%d.%d.%d-%s', |
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self::VERSION_MAJOR, |
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self::VERSION_MINOR, |
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self::VERSION_PATCHLEVEL, |
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self::VERSION_PRERELEASE |
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); |
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} else { |
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return sprintf( |
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'%d.%d.%d', |
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self::VERSION_MAJOR, |
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self::VERSION_MINOR, |
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self::VERSION_PATCHLEVEL |
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); |
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} |
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} |
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/** |
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* Returns all available templates as array. |
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* |
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* @return array |
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*/ |
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public function getAvailableTemplates() |
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{ |
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$templates = []; |
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foreach (new DirectoryIterator(PMF_ROOT_DIR.'/assets/template') as $item) { |
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$basename = $item->getBasename(); |
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if (!$item->isDot() && $item->isDir()) { |
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$templates[$basename] = (PMF_Template::getTplSetName() === $basename ? true : false); |
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} |
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} |
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return $templates; |
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} |
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/** |
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* Returns the current API version of phpMyFAQ for installation and |
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* version in the database. |
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* |
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* @return int |
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*/ |
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public static function getApiVersion() |
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{ |
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return self::VERSION_API; |
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} |
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/** |
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* Returns the supported databases. |
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* |
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* @return array |
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*/ |
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public function getSupportedDatabases() |
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{ |
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return $this->supportedDatabases; |
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} |
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/** |
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* Returns the locally supported databases. |
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* |
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* @param bool $html |
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* |
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* @return array |
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*/ |
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public function getSupportedSafeDatabases($html = false) |
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{ |
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$retVal = []; |
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foreach ($this->getSupportedDatabases() as $extension => $database) { |
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if (extension_loaded($extension) && version_compare(PHP_VERSION, $database[0]) >= 0) { |
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if ($html) { |
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$retVal[] = sprintf('<option value="%s">%s</option>', $extension, $database[1]); |
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} else { |
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$retVal[$extension] = $database; |
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} |
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} |
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} |
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return $retVal; |
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} |
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/** |
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* Checks if the system URI is running with http or https. |
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* |
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* @param PMF_Configuration $faqConfig |
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* |
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* @return mixed |
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*/ |
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public function getSystemUri(PMF_Configuration $faqConfig) |
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{ |
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$mainUrl = $faqConfig->getDefaultUrl(); |
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if (isset($_ENV['REQUEST_SCHEME']) && 'https' === $_ENV['REQUEST_SCHEME']) { |
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if (false === strpos($mainUrl, 'https')) { |
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$mainUrl = str_replace('http://', 'https://', $mainUrl); |
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} |
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} |
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if ('/' !== substr($mainUrl, -1)) { |
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$mainUrl .= '/'; |
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} |
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return $mainUrl; |
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} |
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/** |
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* Checks for installed database extensions, if the first supported |
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* extension is enabled, return true. |
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* |
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* @return bool |
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*/ |
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public function checkDatabase() |
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{ |
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foreach ($this->supportedDatabases as $extension => $database) { |
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if (extension_loaded($extension)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Checks for required PHP extensions. |
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* |
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* @return bool |
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*/ |
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public function checkRequiredExtensions() |
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{ |
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foreach ($this->requiredExtensions as $extension) { |
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if (!extension_loaded($extension)) { |
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$this->missingExtensions[] = $extension; |
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} |
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} |
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if (count($this->missingExtensions) > 0) { |
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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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* Checks for an installed phpMyFAQ version. |
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* |
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* inc/data.php -> phpMyFAQ 2.0 and 2.5 |
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* config/database.php -> phpMyFAQ 2.6 and later |
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* |
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* @return bool |
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*/ |
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public function checkphpMyFAQInstallation() |
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{ |
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if (is_file(PMF_ROOT_DIR.'/inc/data.php') || is_file(PMF_ROOT_DIR.'/config/database.php')) { |
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return false; |
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} else { |
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return true; |
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} |
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} |
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/** |
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* Returns all missing extensions. |
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* |
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* @return array |
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*/ |
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public function getMissingExtensions() |
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{ |
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return $this->missingExtensions; |
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} |
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/** |
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* Returns true or false on SQLite3. |
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* |
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* @static |
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* |
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* @param string $dbType |
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* |
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* @return bool |
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*/ |
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public static function isSqlite($dbType) |
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{ |
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return ('sqlite3' === $dbType) ? true : false; |
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} |
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/** |
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* Creates a JSON object with all .php files of phpMyFAQ with their sha1 hashes. |
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* |
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* @return string |
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*/ |
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public function createHashes() |
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{ |
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$created = new DateTime(); |
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$files = new RecursiveIteratorIterator( |
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new RecursiveDirectoryIterator(PMF_ROOT_DIR), |
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RecursiveIteratorIterator::SELF_FIRST |
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); |
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$hashes = array( |
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'created' => $created->format('Y-m-d H:i:sP'), |
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); |
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$blacklist = array( |
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'/config/constants.php' => false, |
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'/config/constants_ldap.php' => false, |
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'/config/database.php' => false, |
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'/config/ldap.php' => false, |
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); |
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$current = ''; |
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try { |
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foreach ($files as $file) { |
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if ('php' === pathinfo($file->getFilename(), PATHINFO_EXTENSION) && |
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!preg_match('#/tests/#', $file->getPath()) |
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) { |
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$current = str_replace(PMF_ROOT_DIR, '', $file->getPathname()); |
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if (isset($blacklist[$current])) { |
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continue; |
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} |
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$hashes[$current] = sha1(file_get_contents($file->getPathname())); |
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} |
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} |
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} catch (UnexpectedValueException $e) { |
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$hashes[$current.' failed'] = $e->getMessage(); |
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} |
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return json_encode($hashes); |
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} |
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// |
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// Methods to clean a phpMyFAQ installation |
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// |
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/** |
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* Drops all given tables |
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* @param array $queries |
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*/ |
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public function dropTables(Array $queries) |
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{ |
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if ($this->database instanceof PMF_DB_Driver) { |
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foreach ($queries as $query) { |
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$this->database->query($query); |
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} |
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} |
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} |
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/** |
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* Removes the database.php and the ldap.php if an installation failed. |
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*/ |
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public function cleanInstallation() |
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{ |
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// Remove './config/database.php' file: no need of prompt anything to the user |
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if (file_exists(PMF_ROOT_DIR.'/config/database.php')) { |
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@unlink(PMF_ROOT_DIR.'/config/database.php'); |
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} |
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// Remove './config/ldap.php' file: no need of prompt anything to the user |
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if (file_exists(PMF_ROOT_DIR.'/config/ldap.php')) { |
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@unlink(PMF_ROOT_DIR.'/config/ldap.php'); |
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} |
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} |
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/** |
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* Print out the HTML5 Footer. |
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* |
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* @param bool $onePageBack |
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*/ |
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public static function renderFooter($onePageBack = false) |
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{ |
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if (true === $onePageBack) { |
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printf( |
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|
|
'<p><a href="javascript:history.back();">%s</a></p>', |
399
|
|
|
'Back to the setup page' |
400
|
|
|
); |
401
|
|
|
} |
402
|
|
|
printf( |
403
|
|
|
'</div></section><footer class="footer"><div class="container"><p class="pull-right">%s</p><div></footer></body></html>', |
404
|
|
|
COPYRIGHT |
405
|
|
|
); |
406
|
|
|
exit(-1); |
407
|
|
|
} |
408
|
|
|
} |
409
|
|
|
|