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Diffstat (limited to 'library/Icinga/Application/Platform.php')
| -rw-r--r-- | library/Icinga/Application/Platform.php | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/library/Icinga/Application/Platform.php b/library/Icinga/Application/Platform.php new file mode 100644 index 0000000..b1b8d90 --- /dev/null +++ b/library/Icinga/Application/Platform.php @@ -0,0 +1,435 @@ +<?php +/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Application; + +/** + * Platform tests for icingaweb + */ +class Platform +{ + /** + * Domain name + * + * @var string + */ + protected static $domain; + + /** + * Host name + * + * @var string + */ + protected static $hostname; + + /** + * Fully qualified domain name + * + * @var string + */ + protected static $fqdn; + + /** + * Return the operating system's name + * + * @return string + */ + public static function getOperatingSystemName() + { + return php_uname('s'); + } + + /** + * Test of windows + * + * @return bool + */ + public static function isWindows() + { + return strtoupper(substr(self::getOperatingSystemName(), 0, 3)) === 'WIN'; + } + + /** + * Test of linux + * + * @return bool + */ + public static function isLinux() + { + return strtoupper(substr(self::getOperatingSystemName(), 0, 5)) === 'LINUX'; + } + + /** + * Return the Linux distribution's name + * or 'linux' if the name could not be found out + * or false if the OS isn't Linux or an error occurred + * + * @param int $reliable + * 3: Only parse /etc/os-release (or /usr/lib/os-release). + * For the paranoid ones. + * 2: If that (3) doesn't help, check /etc/*-release, too. + * If something is unclear, return 'linux'. + * 1: Almost equal to mode 2. The possible return values also include: + * 'redhat' -- unclear whether RHEL/Fedora/... + * 'suse' -- unclear whether SLES/openSUSE/... + * 0: If even that (1) doesn't help, check /proc/version, too. + * This may not work (as expected) on LXC containers! + * (No reliability at all!) + * + * @return string|bool + */ + public static function getLinuxDistro($reliable = 2) + { + if (! self::isLinux()) { + return false; + } + + foreach (array('/etc/os-release', '/usr/lib/os-release') as $osReleaseFile) { + if (false === ($osRelease = @file( + $osReleaseFile, + FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES + ))) { + continue; + } + + foreach ($osRelease as $osInfo) { + if (false === ($res = @preg_match('/(?<!.)[ \t]*#/ms', $osInfo))) { + return false; + } + if ($res === 1) { + continue; + } + + $matches = array(); + if (false === ($res = @preg_match( + '/(?<!.)[ \t]*ID[ \t]*=[ \t]*(\'|"|)(.*?)(?:\1)[ \t]*(?!.)/msi', + $osInfo, + $matches + ))) { + return false; + } + if (! ($res === 0 || $matches[2] === '' || $matches[2] === 'linux')) { + return $matches[2]; + } + } + } + + if ($reliable > 2) { + return 'linux'; + } + + foreach (array( + 'fedora' => '/etc/fedora-release', + 'centos' => '/etc/centos-release' + ) as $distro => $releaseFile) { + if (! (false === ( + $release = @file_get_contents($releaseFile) + ) || false === strpos(strtolower($release), $distro))) { + return $distro; + } + } + + if (false !== ($release = @file_get_contents('/etc/redhat-release'))) { + $release = strtolower($release); + if (false !== strpos($release, 'red hat enterprise linux')) { + return 'rhel'; + } + foreach (array('fedora', 'centos') as $distro) { + if (false !== strpos($release, $distro)) { + return $distro; + } + } + return $reliable < 2 ? 'redhat' : 'linux'; + } + + if (false !== ($release = @file_get_contents('/etc/SuSE-release'))) { + $release = strtolower($release); + foreach (array( + 'opensuse' => 'opensuse', + 'sles' => 'suse linux enterprise server', + 'sled' => 'suse linux enterprise desktop' + ) as $distro => $name) { + if (false !== strpos($release, $name)) { + return $distro; + } + } + return $reliable < 2 ? 'suse' : 'linux'; + } + + if ($reliable < 1) { + if (false === ($procVersion = @file_get_contents('/proc/version'))) { + return false; + } + $procVersion = strtolower($procVersion); + foreach (array( + 'redhat' => 'red hat', + 'suse' => 'suse linux', + 'ubuntu' => 'ubuntu', + 'debian' => 'debian' + ) as $distro => $name) { + if (false !== strpos($procVersion, $name)) { + return $distro; + } + } + } + + return 'linux'; + } + + /** + * Test of CLI environment + * + * @return bool + */ + public static function isCli() + { + if (PHP_SAPI == 'cli') { + return true; + } elseif ((PHP_SAPI == 'cgi' || PHP_SAPI == 'cgi-fcgi') + && empty($_SERVER['SERVER_NAME'])) { + return true; + } + return false; + } + + /** + * Get the hostname + * + * @return string + */ + public static function getHostname() + { + if (self::$hostname === null) { + self::discoverHostname(); + } + return self::$hostname; + } + + /** + * Get the domain name + * + * @return string + */ + public static function getDomain() + { + if (self::$domain === null) { + self::discoverHostname(); + } + return self::$domain; + } + + /** + * Get the fully qualified domain name + * + * @return string + */ + public static function getFqdn() + { + if (self::$fqdn === null) { + self::discoverHostname(); + } + return self::$fqdn; + } + + /** + * Initialize domain and host strings + */ + protected static function discoverHostname() + { + self::$hostname = gethostname(); + self::$fqdn = gethostbyaddr(gethostbyname(self::$hostname)); + + if (substr(self::$fqdn, 0, strlen(self::$hostname)) === self::$hostname) { + self::$domain = substr(self::$fqdn, strlen(self::$hostname) + 1); + } else { + $parts = preg_split('~\.~', self::$hostname, 2); + self::$domain = array_shift($parts); + } + } + + /** + * Return the version of PHP + * + * @return string + */ + public static function getPhpVersion() + { + return phpversion(); + } + + /** + * Return the username PHP is running as + * + * @return string + */ + public static function getPhpUser() + { + if (static::isWindows()) { + return get_current_user(); // http://php.net/manual/en/function.get-current-user.php#75059 + } + + if (function_exists('posix_geteuid')) { + $userInfo = posix_getpwuid(posix_geteuid()); + return $userInfo['name']; + } + } + + /** + * Test for php extension + * + * @param string $extensionName E.g. mysql, ldap + * + * @return bool + */ + public static function extensionLoaded($extensionName) + { + return extension_loaded($extensionName); + } + + /** + * Return the value for the given PHP configuration option + * + * @param string $option The option name for which to return the value + * + * @return string|false + */ + public static function getPhpConfig($option) + { + return ini_get($option); + } + + /** + * Return whether the given class exists + * + * @param string $name The name of the class to check + * + * @return bool + */ + public static function classExists($name) + { + if (@class_exists($name)) { + return true; + } + + if (strpos($name, '_') !== false) { + // Assume it's a Zend-Framework class + return (@include str_replace('_', '/', $name) . '.php') !== false; + } + + return false; + } + + /** + * Return whether it's possible to connect to a LDAP server + * + * Checks whether the ldap extension is loaded + * + * @return bool + */ + public static function hasLdapSupport() + { + return static::extensionLoaded('ldap'); + } + + /** + * Return whether it's possible to connect to any of the supported database servers + * + * @return bool + */ + public static function hasDatabaseSupport() + { + return static::hasMssqlSupport() || static::hasMysqlSupport() || static::hasOciSupport() + || static::hasOracleSupport() || static::hasPostgresqlSupport(); + } + + /** + * Return whether it's possible to connect to a MSSQL database + * + * Checks whether the mssql/dblib pdo or sqlsrv extension has + * been loaded and Zend framework adapter for MSSQL is available + * + * @return bool + */ + public static function hasMssqlSupport() + { + if ((static::extensionLoaded('mssql') || static::extensionLoaded('pdo_dblib')) + && static::classExists('Zend_Db_Adapter_Pdo_Mssql') + ) { + return true; + } + + return static::extensionLoaded('sqlsrv') && static::classExists('Zend_Db_Adapter_Sqlsrv'); + } + + /** + * Return whether it's possible to connect to a MySQL database + * + * Checks whether the mysql pdo extension has been loaded and the Zend framework adapter for MySQL is available + * + * @return bool + */ + public static function hasMysqlSupport() + { + return static::extensionLoaded('pdo_mysql') && static::classExists('Zend_Db_Adapter_Pdo_Mysql'); + } + + /** + * Return whether it's possible to connect to a IBM DB2 database + * + * Checks whether the ibm pdo extension has been loaded and the Zend framework adapter for IBM is available + * + * @return bool + */ + public static function hasIbmSupport() + { + return static::extensionLoaded('pdo_ibm') && static::classExists('Zend_Db_Adapter_Pdo_Ibm'); + } + + /** + * Return whether it's possible to connect to a Oracle database using OCI8 + * + * Checks whether the OCI8 extension has been loaded and the Zend framework adapter for Oracle is available + * + * @return bool + */ + public static function hasOciSupport() + { + return static::extensionLoaded('oci8') && static::classExists('Zend_Db_Adapter_Oracle'); + } + + /** + * Return whether it's possible to connect to a Oracle database using PDO_OCI + * + * Checks whether the OCI PDO extension has been loaded and the Zend framework adapter for Oci is available + * + * @return bool + */ + public static function hasOracleSupport() + { + return static::extensionLoaded('pdo_oci') && static::classExists('Zend_Db_Adapter_Pdo_Mysql'); + } + + /** + * Return whether it's possible to connect to a PostgreSQL database + * + * Checks whether the pgsql pdo extension has been loaded and the Zend framework adapter for PostgreSQL is available + * + * @return bool + */ + public static function hasPostgresqlSupport() + { + return static::extensionLoaded('pdo_pgsql') && static::classExists('Zend_Db_Adapter_Pdo_Pgsql'); + } + + /** + * Return whether it's possible to connect to a SQLite database + * + * Checks whether the sqlite pdo extension has been loaded and the Zend framework adapter for SQLite is available + * + * @return bool + */ + public static function hasSqliteSupport() + { + return static::extensionLoaded('pdo_sqlite') && static::classExists('Zend_Db_Adapter_Pdo_Sqlite'); + } +} |