Rewritten:
[core.git] / framework / bootstrap / class_FrameworkBootstrap.php
index 000a2a9dde99952af94b2b053a5c7c4511d02883..c759f9416512e0e083272d894c8bbdcecd4eae8d 100644 (file)
@@ -6,8 +6,10 @@ namespace CoreFramework\Bootstrap;
 use CoreFramework\Configuration\FrameworkConfiguration;
 use CoreFramework\Connection\Database\DatabaseConnection;
 use CoreFramework\Connector\Database\DatabaseConnector;
+use CoreFramework\Console\Tools\ConsoleTools;
 use CoreFramework\EntryPoint\ApplicationEntryPoint;
 use CoreFramework\Factory\ObjectFactory;
+use CoreFramework\Generic\NullPointerException;
 use CoreFramework\Helper\Application\ApplicationHelper;
 use CoreFramework\Loader\ClassLoader;
 use CoreFramework\Manager\ManageableApplication;
@@ -19,6 +21,8 @@ use CoreFramework\Response\Responseable;
 
 // Import SPL stuff
 use \BadMethodCallException;
+use \InvalidArgumentException;
+use \SplFileInfo;
 
 /**
  * A framework-bootstrap class which helps the frameworks to bootstrap ... ;-)
@@ -44,6 +48,11 @@ use \BadMethodCallException;
  */
 final class FrameworkBootstrap {
 
+       /**
+        * Detected server address
+        */
+       private static $serverAddress = NULL;
+
        /**
         * Instance of a Requestable class
         */
@@ -129,24 +138,27 @@ final class FrameworkBootstrap {
         * gurantee that the file is actually readable and/or writeable. If you need
         * such gurantee then please use isReadableFile() instead.
         *
-        * @param       $filePathName   Name of the file/path to be checked
+        * @param       $fileInstance   An instance of a SplFileInfo class
         * @return      $isReachable    Whether it is within open_basedir()
         */
-       public static function isReachableFilePath ($filePathName) {
+       public static function isReachableFilePath (SplFileInfo $fileInstance) {
                // Is not reachable by default
                $isReachable = false;
 
                // Get open_basedir parameter
-               $openBaseDir = ini_get('open_basedir');
+               $openBaseDir = trim(ini_get('open_basedir'));
 
                // Is it set?
                if (!empty($openBaseDir)) {
                        // Check all entries
                        foreach (explode(PATH_SEPARATOR, $openBaseDir) as $dir) {
                                // Check on existence
-                               if (substr($filePathName, 0, strlen($dir)) == $dir) {
+                               if (substr($fileInstance->getPathname(), 0, strlen($dir)) == $dir) {
                                        // Is reachable
                                        $isReachable = true;
+
+                                       // Abort lookup as it has been found in open_basedir
+                                       break;
                                } // END - if
                        } // END - foreach
                } else {
@@ -162,25 +174,21 @@ final class FrameworkBootstrap {
         * Checks whether the give file is within open_basedir() (done by
         * isReachableFilePath()), is actually a file and is readable.
         *
-        * @param       $fileName               Name of the file to be checked
+        * @param       $fileInstance   An instance of a SplFileInfo class
         * @return      $isReadable             Whether the file is readable (and therefor exists)
         */
-       public static function isReadableFile ($fileName) {
+       public static function isReadableFile (SplFileInfo $fileInstance) {
                // Default is not readable
                $isReadable = false;
 
-               // Is within parameters, so check if it is a file and readable
+               // Check if it is a file and readable
                $isReadable = (
                        (
-                               self::isReachableFilePath($fileName)
+                               self::isReachableFilePath($fileInstance)
                        ) && (
-                               file_exists($fileName)
+                               $fileInstance->isFile()
                        ) && (
-                               is_file($fileName)
-                       ) && (
-                               is_readable($fileName)
-                       ) && (
-                               filesize($fileName) > 100
+                               $fileInstance->isReadable()
                        )
                );
 
@@ -191,22 +199,22 @@ final class FrameworkBootstrap {
        /**
         * Loads given include file
         *
-        * @param       $fqfn   Include's FQFN
+        * @param       $fileInstance   An instance of a SplFileInfo class
         * @return      void
-        * @throws      InvalidArgumentException        If $fqfn was not found or not readable or deprecated
+        * @throws      InvalidArgumentException        If file was not found or not readable or deprecated
         */
-       public static function loadInclude ($fqfn) {
+       public static function loadInclude (SplFileInfo $fileInstance) {
                // Trace message
-               //* NOISY-DEBUG: */ printf('[%s:%d]: fqfn=%s - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $fqfn);
+               //* NOISY-DEBUG: */ printf('[%s:%d]: fileInstance=%s - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $fileInstance);
 
                // Should be there ...
-               if (!self::isReadableFile($fqfn)) {
+               if (!self::isReadableFile($fileInstance)) {
                        // Abort here
-                       throw new InvalidArgumentException(sprintf('Cannot find fqfn=%s.', $fqfn));
+                       throw new InvalidArgumentException(sprintf('Cannot find fileInstance.pathname=%s.', $fileInstance->getPathname()));
                } // END - if
 
                // Load it
-               require $fqfn;
+               require $fileInstance->getPathname();
 
                // Trace message
                //* NOISY-DEBUG: */ printf('[%s:%d]: EXIT!' . PHP_EOL, __METHOD__, __LINE__);
@@ -219,12 +227,12 @@ final class FrameworkBootstrap {
         */
        public static function doBootstrap () {
                // Load basic include files to continue bootstrapping
-               self::loadInclude(sprintf('%smain%sinterfaces%sclass_FrameworkInterface.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR));
-               self::loadInclude(sprintf('%smain%sinterfaces%sregistry%sclass_Registerable.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR));
-               self::loadInclude(sprintf('%sconfig%sclass_FrameworkConfiguration.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR));
+               self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sclass_FrameworkInterface.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
+               self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sregistry%sclass_Registerable.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
+               self::loadInclude(new SplFileInfo(sprintf('%sconfig%sclass_FrameworkConfiguration.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR)));
 
                // Load global configuration
-               self::loadInclude(sprintf('%s%s', ApplicationEntryPoint::detectFrameworkPath(), 'config-global.php'));
+               self::loadInclude(new SplFileInfo(sprintf('%s%s', ApplicationEntryPoint::detectFrameworkPath(), 'config-global.php')));
        }
 
        /**
@@ -276,17 +284,17 @@ final class FrameworkBootstrap {
                 * warning at the user.
                 */
                foreach (self::$configAppIncludes as $fileName => $status) {
-                       // Construct FQFN
-                       $fqfn = sprintf('%s%s.php', $fullPath, $fileName);
+                       // Construct file instance
+                       $fileInstance = new SplFileInfo(sprintf('%s%s.php', $fullPath, $fileName));
 
                        // Determine if this file is wanted/readable/deprecated
-                       if (($status == 'required') && (!self::isReadableFile($fqfn))) {
+                       if (($status == 'required') && (!self::isReadableFile($fileInstance))) {
                                // Nope, required file cannot be found/read from
-                               ApplicationEntryPoint::app_exit(sprintf('Application "%s" does not have required file "%s.php". Please add it.', $application, $fileName));
-                       } elseif ((file_exists($fqfn)) && (!is_readable($fqfn))) {
+                               ApplicationEntryPoint::exitApplication(sprintf('Application "%s" does not have required file "%s.php". Please add it.', $application, $fileInstance->getBasename()));
+                       } elseif (($fileInstance->isFile()) && (!$fileInstance->isReadable())) {
                                // Found, not readable file
-                               ApplicationEntryPoint::app_exit(sprintf('File "%s.php" from application "%s" cannot be read. Please fix CHMOD.', $fileName, $application));
-                       } elseif (($status != 'required') && (!self::isReadableFile($fqfn))) {
+                               ApplicationEntryPoint::exitApplication(sprintf('File "%s.php" from application "%s" cannot be read. Please fix CHMOD.', $fileInstance->getBasename(), $application));
+                       } elseif (($status != 'required') && (!self::isReadableFile($fileInstance))) {
                                // Not found but optional/deprecated file, skip it
                                continue;
                        }
@@ -301,7 +309,7 @@ final class FrameworkBootstrap {
                        } // END - if
 
                        // Load it
-                       self::loadInclude($fqfn);
+                       self::loadInclude($fileInstance);
                } // END - foreach
 
                // Scan for application's classes, exceptions and interfaces
@@ -328,19 +336,19 @@ final class FrameworkBootstrap {
                // Some sanity checks
                if ((empty($applicationInstance)) || (is_null($applicationInstance))) {
                        // Something went wrong!
-                       ApplicationEntryPoint::app_exit(sprintf("[Main:] The application <span class=\"app_name\">%s</span> could not be launched because the helper class <span class=\"class_name\">%s</span> is not loaded.",
+                       ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because the helper class <span class="class_name">%s</span> is not loaded.',
                                $application,
                                'CoreFramework\Helper\Application\ApplicationHelper'
                        ));
                } elseif (!is_object($applicationInstance)) {
                        // No object!
-                       ApplicationEntryPoint::app_exit(sprintf("[Main:] The application <span class=\"app_name\">%s</span> could not be launched because &#39;app&#39; is not an object (%s).",
+                       ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because &#39;app&#39; is not an object (%s).',
                                $application,
                                gettype($applicationInstance)
                        ));
                } elseif (!($applicationInstance instanceof ManageableApplication)) {
                        // Missing interface
-                       ApplicationEntryPoint::app_exit(sprintf("[Main:] The application <span class=\"app_name\">%s</span> could not be launched because &#39;app&#39; is lacking required interface ManageableApplication.",
+                       ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because &#39;app&#39; is lacking required interface ManageableApplication.',
                                $application
                        ));
                }
@@ -355,7 +363,7 @@ final class FrameworkBootstrap {
 
                        // Call method
                        call_user_func(array($applicationInstance, $methodName));
-               } // END - if
+               } // END - foreach
        }
 
        /**
@@ -383,6 +391,150 @@ final class FrameworkBootstrap {
                $applicationInstance->setDatabaseInstance($connectionInstance);
        }
 
+       /**
+        * Detects the server address (SERVER_ADDR) and set it in configuration
+        *
+        * @return      $serverAddress  The detected server address
+        * @throws      UnknownHostnameException        If SERVER_NAME cannot be resolved to an IP address
+        * @todo        Have to check some more entries from $_SERVER here
+        */
+       public static function detectServerAddress () {
+               // Is the entry set?
+               if (!isset(self::$serverAddress)) {
+                       // Is it set in $_SERVER?
+                       if (!empty($_SERVER['SERVER_ADDR'])) {
+                               // Set it from $_SERVER
+                               self::$serverAddress = $_SERVER['SERVER_ADDR'];
+                       } elseif (isset($_SERVER['SERVER_NAME'])) {
+                               // Resolve IP address
+                               $serverIp = ConsoleTools::resolveIpAddress($_SERVER['SERVER_NAME']);
+
+                               // Is it valid?
+                               if ($serverIp === false) {
+                                       /*
+                                        * Why is gethostbyname() returning the host name and not
+                                        * false as many other PHP functions are doing? ;-(
+                                        */
+                                       throw new UnknownHostnameException(sprintf('Cannot resolve "%s" to an IP address. Please fix your setup.', $_SERVER['SERVER_NAME']));
+                               } // END - if
+
+                               // Al fine, set it
+                               self::$serverAddress = $serverIp;
+                       } else {
+                               // Run auto-detecting through console tools lib
+                               self::$serverAddress = ConsoleTools::acquireSelfIpAddress();
+                       }
+               } // END - if
+
+               // Return it
+               return self::$serverAddress;
+       }
+
+       /**
+        * Setter for default time zone (must be correct!)
+        *
+        * @param       $timezone       The timezone string (e.g. Europe/Berlin)
+        * @return      $success        If timezone was accepted
+        * @throws      NullPointerException    If $timezone is NULL
+        * @throws      InvalidArgumentException        If $timezone is empty
+        */
+       public static function setDefaultTimezone ($timezone) {
+               // Is it null?
+               if (is_null($timezone)) {
+                       // Throw NPE
+                       throw new NullPointerException(NULL, BaseFrameworkSystem::EXCEPTION_IS_NULL_POINTER);
+               } elseif (!is_string($timezone)) {
+                       // Is not a string
+                       throw new InvalidArgumentException(sprintf('timezone[]=%s is not a string', gettype($timezone)));
+               } elseif ((is_string($timezone)) && (empty($timezone))) {
+                       // Entry is empty
+                       throw new InvalidArgumentException('timezone is empty');
+               }
+
+               // Default success
+               $success = FALSE;
+
+               /*
+                * Set desired time zone to prevent date() and related functions to
+                * issue an E_WARNING.
+                */
+               $success = date_default_timezone_set($timezone);
+
+               // Return status
+               return $success;
+       }
+
+       /**
+        * Checks whether HTTPS is set in $_SERVER
+        *
+        * @return      $isset  Whether HTTPS is set
+        * @todo        Test more fields
+        */
+       public static function isHttpSecured () {
+               return (isset($_SERVER['HTTPS']));
+       }
+
+       /**
+        * Dectect and return the base URL for all URLs and forms
+        *
+        * @return      $baseUrl        Detected base URL
+        */
+       public static function detectBaseUrl () {
+               // Initialize the URL
+               $protocol = 'http';
+
+               // Do we have HTTPS?
+               if (self::isHttpSecured()) {
+                       // Add the >s< for HTTPS
+                       $protocol = 's';
+               } // END - if
+
+               // Construct the full URL and secure it against CSRF attacks
+               $baseUrl = sprintf('%s://%s%s', $protocol, self::detectDomain(), self::detectScriptPath());
+
+               // Return the URL
+               return $baseUrl;
+       }
+
+       /**
+        * Detect safely and return the full domain where this script is installed
+        *
+        * @return      $fullDomain             The detected full domain
+        */
+       public static function detectDomain () {
+               // Full domain is localnet.invalid by default
+               $fullDomain = 'localnet.invalid';
+
+               // Is the server name there?
+               if (isset($_SERVER['SERVER_NAME'])) {
+                       // Detect the full domain
+                       $fullDomain = htmlentities(strip_tags($_SERVER['SERVER_NAME']), ENT_QUOTES);
+               } // END - if
+
+               // Return it
+               return $fullDomain;
+       }
+
+       /**
+        * Detect safely the script path without trailing slash which is the glue
+        * between "http://your-domain.invalid/" and "script-name.php"
+        *
+        * @return      $scriptPath             The script path extracted from $_SERVER['SCRIPT_NAME']
+        */
+       public static function detectScriptPath () {
+               // Default is empty
+               $scriptPath = '';
+
+               // Is the scriptname set?
+               if (isset($_SERVER['SCRIPT_NAME'])) {
+                       // Get dirname from it and replace back-slashes with slashes for lame OSes...
+                       $scriptPath = str_replace("\\", '/', dirname($_SERVER['SCRIPT_NAME']));
+               } // END - if
+
+               // Return it
+               return $scriptPath;
+       }
+
        /**
         * 1) Loads class scanner and scans all framework's classes and interfaces.
         * This method also registers the class loader's method autoLoad() for the
@@ -451,7 +603,7 @@ final class FrameworkBootstrap {
                         * supported and only existed as an idea to select the proper
                         * application (by user).
                         */
-                       ApplicationEntryPoint::app_exit('No application specified. Please provide a parameter "app" and retry.');
+                       ApplicationEntryPoint::exitApplication('No application specified. Please provide a parameter "app" and retry.');
                } // END - if
 
                // Get it for local usage
@@ -475,7 +627,7 @@ final class FrameworkBootstrap {
                // Is the path there? This secures a bit the parameter (from untrusted source).
                if ((!is_dir($applicationPath)) || (!is_readable($applicationPath))) {
                        // Not found or not readable
-                       ApplicationEntryPoint::app_exit(sprintf('Application "%s" not found.', $application));
+                       ApplicationEntryPoint::exitApplication(sprintf('Application "%s" not found.', $application));
                } // END - if
 
                // Set the detected application's name and full path for later usage