3 namespace Org\Mxchange\CoreFramework\Bootstrap;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Configuration\FrameworkConfiguration;
7 use Org\Mxchange\CoreFramework\Connection\Database\DatabaseConnection;
8 use Org\Mxchange\CoreFramework\Connector\Database\DatabaseConnector;
9 use Org\Mxchange\CoreFramework\Console\Tools\ConsoleTools;
10 use Org\Mxchange\CoreFramework\EntryPoint\ApplicationEntryPoint;
11 use Org\Mxchange\CoreFramework\Factory\ObjectFactory;
12 use Org\Mxchange\CoreFramework\Generic\NullPointerException;
13 use Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper;
14 use Org\Mxchange\CoreFramework\Loader\ClassLoader;
15 use Org\Mxchange\CoreFramework\Manager\ManageableApplication;
16 use Org\Mxchange\CoreFramework\Middleware\Debug\DebugMiddleware;
17 use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
18 use Org\Mxchange\CoreFramework\Registry\GenericRegistry;
19 use Org\Mxchange\CoreFramework\Request\Requestable;
20 use Org\Mxchange\CoreFramework\Response\Responseable;
23 use \BadMethodCallException;
24 use \InvalidArgumentException;
28 * A framework-bootstrap class which helps the frameworks to bootstrap ... ;-)
30 * @author Roland Haeder <webmaster@ship-simu.org>
32 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
33 * @license GNU GPL 3.0 or any newer version
34 * @link http://www.ship-simu.org
36 * This program is free software: you can redistribute it and/or modify
37 * it under the terms of the GNU General Public License as published by
38 * the Free Software Foundation, either version 3 of the License, or
39 * (at your option) any later version.
41 * This program is distributed in the hope that it will be useful,
42 * but WITHOUT ANY WARRANTY; without even the implied warranty of
43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
44 * GNU General Public License for more details.
46 * You should have received a copy of the GNU General Public License
47 * along with this program. If not, see <http://www.gnu.org/licenses/>.
49 final class FrameworkBootstrap {
52 * Detected server address
54 private static $serverAddress = NULL;
57 * Instance of a Requestable class
59 private static $requestInstance = NULL;
62 * Instance of a Responseable class
64 private static $responseInstance = NULL;
67 * Instance of a FrameworkConfiguration class
69 private static $configurationInstance = NULL;
74 private static $databaseInstance = NULL;
77 * Includes applications may have. They will be tried in the given order,
78 * some will become soon deprecated.
80 private static $configAppIncludes = array(
81 // The ApplicationHelper class (required)
82 'class_ApplicationHelper' => 'required',
83 // Some debugging stuff (optional but can be committed)
84 'debug' => 'optional',
85 // Application's exception handler (optional but can be committed)
86 'exceptions' => 'optional',
87 // Application's configuration file (committed, non-local specific)
88 'config' => 'required',
89 // Local configuration file (optional, not committed, listed in .gitignore)
90 'config-local' => 'optional',
91 // Application data (deprecated)
92 'data' => 'deprecated',
93 // Application loader (deprecated)
94 'loader' => 'deprecated',
95 // Application initializer (deprecated)
96 'init' => 'deprecated',
97 // Application starter (deprecated)
98 'starter' => 'deprecated',
102 * Private constructor, no instance is needed from this class as only
103 * static methods exist.
105 private function __construct () {
106 // Prevent making instances from this "utilities" class
110 * Some "getter" for a configuration instance, making sure, it is unique
112 * @return $configurationInstance An instance of a FrameworkConfiguration class
114 public static function getConfigurationInstance () {
115 // Is the instance there?
116 if (is_null(self::$configurationInstance)) {
118 self::$configurationInstance = new FrameworkConfiguration();
122 return self::$configurationInstance;
126 * "Getter" to get response/request type from analysis of the system.
128 * @return $requestType Analyzed request type
130 public static function getRequestTypeFromSystem () {
131 // Default is console
132 $requestType = 'console';
134 // Is 'HTTP_HOST' set?
135 if (isset($_SERVER['HTTP_HOST'])) {
136 // Then it is a HTML response/request.
137 $requestType = 'html';
145 * Checks whether the given file/path is in open_basedir(). This does not
146 * gurantee that the file is actually readable and/or writeable. If you need
147 * such gurantee then please use isReadableFile() instead.
149 * @param $fileInstance An instance of a SplFileInfo class
150 * @return $isReachable Whether it is within open_basedir()
152 public static function isReachableFilePath (SplFileInfo $fileInstance) {
153 // Is not reachable by default
154 $isReachable = false;
156 // Get open_basedir parameter
157 $openBaseDir = trim(ini_get('open_basedir'));
160 if (!empty($openBaseDir)) {
162 foreach (explode(PATH_SEPARATOR, $openBaseDir) as $dir) {
163 // Check on existence
164 if (substr($fileInstance->getPathname(), 0, strlen($dir)) == $dir) {
168 // Abort lookup as it has been found in open_basedir
173 // If open_basedir is not set, all is allowed
182 * Checks whether the give file is within open_basedir() (done by
183 * isReachableFilePath()), is actually a file and is readable.
185 * @param $fileInstance An instance of a SplFileInfo class
186 * @return $isReadable Whether the file is readable (and therefor exists)
188 public static function isReadableFile (SplFileInfo $fileInstance) {
189 // Default is not readable
192 // Check if it is a file and readable
195 self::isReachableFilePath($fileInstance)
197 $fileInstance->isFile()
199 $fileInstance->isReadable()
208 * Loads given include file
210 * @param $fileInstance An instance of a SplFileInfo class
212 * @throws InvalidArgumentException If file was not found or not readable or deprecated
214 public static function loadInclude (SplFileInfo $fileInstance) {
216 //* NOISY-DEBUG: */ printf('[%s:%d]: fileInstance=%s - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $fileInstance);
218 // Should be there ...
219 if (!self::isReadableFile($fileInstance)) {
221 throw new InvalidArgumentException(sprintf('Cannot find fileInstance.pathname=%s.', $fileInstance->getPathname()));
225 require_once $fileInstance->getPathname();
228 //* NOISY-DEBUG: */ printf('[%s:%d]: EXIT!' . PHP_EOL, __METHOD__, __LINE__);
232 * Does the actual bootstrap
236 public static function doBootstrap () {
237 // Load basic include files to continue bootstrapping
238 self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sclass_FrameworkInterface.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
239 self::loadInclude(new SplFileInfo(sprintf('%smain%sclasses%sclass_BaseFrameworkSystem.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
240 self::loadInclude(new SplFileInfo(sprintf('%smain%sclasses%sutils%sclass_StringUtils.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
241 self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sregistry%sclass_Registerable.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
242 self::loadInclude(new SplFileInfo(sprintf('%sconfig%sclass_FrameworkConfiguration.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR)));
244 // Load global configuration
245 self::loadInclude(new SplFileInfo(sprintf('%s%s', ApplicationEntryPoint::detectFrameworkPath(), 'config-global.php')));
249 * Initializes the framework by scanning for all framework-relevant
250 * classes, interfaces and exception. Then determine the request type and
251 * initialize a Requestable instance which will then contain all request
252 * parameter, also from CLI. Next step is to validate the application
257 public static function initFramework () {
259 * 1) Load class loader and scan framework classes, interfaces and
262 self::scanFrameworkClasses();
265 * 2) Determine the request type, console or web and store request and
266 * response here. This also initializes the request instance will
267 * all given parameters (see doc-tag for possible sources of
270 self::determineRequestType();
273 * 3) Now, that there are all request parameters being available, check
274 * if 'application' is supplied. If it is not found, abort execution, if
275 * found, continue below with next step.
277 self::validateApplicationParameter();
281 * Initializes the detected application. This may fail if required files
282 * are not found in the application's base path (not to be confused with
283 * 'application_base_path' which only points to /some/foo/application/.
287 public static function prepareApplication () {
288 // Configuration entry 'detected_app_name' must be set, get it here, including full path
289 $application = self::getConfigurationInstance()->getConfigEntry('detected_app_name');
290 $fullPath = self::getConfigurationInstance()->getConfigEntry('detected_full_app_path');
293 * Now check and load all files, found deprecated files will throw a
294 * warning at the user.
296 foreach (self::$configAppIncludes as $fileName => $status) {
297 // Construct file instance
298 $fileInstance = new SplFileInfo(sprintf('%s%s.php', $fullPath, $fileName));
300 // Determine if this file is wanted/readable/deprecated
301 if (($status == 'required') && (!self::isReadableFile($fileInstance))) {
302 // Nope, required file cannot be found/read from
303 ApplicationEntryPoint::exitApplication(sprintf('Application "%s" does not have required file "%s.php". Please add it.', $application, $fileInstance->getBasename()));
304 } elseif (($fileInstance->isFile()) && (!$fileInstance->isReadable())) {
305 // Found, not readable file
306 ApplicationEntryPoint::exitApplication(sprintf('File "%s.php" from application "%s" cannot be read. Please fix CHMOD.', $fileInstance->getBasename(), $application));
307 } elseif (($status != 'required') && (!self::isReadableFile($fileInstance))) {
308 // Not found but optional/deprecated file, skip it
312 // Is the file deprecated?
313 if ($status == 'deprecated') {
315 trigger_error(sprintf('Deprecated file "%s.php" found, will not load it to avoid problems. Please remove it from your application "%s" to avoid this warning.', $fileName, $application), E_USER_WARNING);
317 // Skip loading deprecated file
322 self::loadInclude($fileInstance);
325 // Scan for application's classes, exceptions and interfaces
326 ClassLoader::scanApplicationClasses();
330 * Starts a fully initialized application, the class ApplicationHelper must
331 * be loaded at this point.
335 public static function startApplication () {
336 // Configuration entry 'detected_app_name' must be set, get it here
337 $application = self::getConfigurationInstance()->getConfigEntry('detected_app_name');
339 // Is there an application helper instance?
340 $applicationInstance = call_user_func_array(
342 'Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper', 'getSelfInstance'
346 // Some sanity checks
347 if ((empty($applicationInstance)) || (is_null($applicationInstance))) {
348 // Something went wrong!
349 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because the helper class <span class="class_name">%s</span> is not loaded.',
351 'Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper'
353 } elseif (!is_object($applicationInstance)) {
355 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because 'app' is not an object (%s).',
357 gettype($applicationInstance)
359 } elseif (!($applicationInstance instanceof ManageableApplication)) {
361 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because 'app' is lacking required interface ManageableApplication.',
366 // Now call all methods in one go
367 foreach (array('setupApplicationData', 'initApplication', 'launchApplication') as $methodName) {
369 //*NOISY-DEBUG: */ printf('[%s:%d]: Calling methodName=%s ...' . PHP_EOL, __METHOD__, __LINE__, $methodName);
372 call_user_func(array($applicationInstance, $methodName));
377 * Initializes database instance, no need to double-call this method
381 public static function initDatabaseInstance () {
382 // Get application instance
383 $applicationInstance = ApplicationHelper::getSelfInstance();
385 // Is the database instance already set?
386 if (self::getDatabaseInstance() instanceof DatabaseConnector) {
387 // Yes, then abort here
388 throw new BadMethodCallException('Method called twice.');
391 // Initialize database layer
392 $databaseInstance = ObjectFactory::createObjectByConfiguredName(self::getConfigurationInstance()->getConfigEntry('database_type') . '_class');
394 // Prepare database instance
395 $connectionInstance = DatabaseConnection::createDatabaseConnection(DebugMiddleware::getSelfInstance(), $databaseInstance);
397 // Set it in application helper
398 self::setDatabaseInstance($connectionInstance);
402 * Detects the server address (SERVER_ADDR) and set it in configuration
404 * @return $serverAddress The detected server address
405 * @throws UnknownHostnameException If SERVER_NAME cannot be resolved to an IP address
406 * @todo Have to check some more entries from $_SERVER here
408 public static function detectServerAddress () {
410 if (!isset(self::$serverAddress)) {
411 // Is it set in $_SERVER?
412 if (!empty($_SERVER['SERVER_ADDR'])) {
413 // Set it from $_SERVER
414 self::$serverAddress = $_SERVER['SERVER_ADDR'];
415 } elseif (isset($_SERVER['SERVER_NAME'])) {
416 // Resolve IP address
417 $serverIp = ConsoleTools::resolveIpAddress($_SERVER['SERVER_NAME']);
420 if ($serverIp === false) {
422 * Why is gethostbyname() returning the host name and not
423 * false as many other PHP functions are doing? ;-(
425 throw new UnknownHostnameException(sprintf('Cannot resolve "%s" to an IP address. Please fix your setup.', $_SERVER['SERVER_NAME']));
429 self::$serverAddress = $serverIp;
431 // Run auto-detecting through console tools lib
432 self::$serverAddress = ConsoleTools::acquireSelfIpAddress();
437 return self::$serverAddress;
441 * Setter for default time zone (must be correct!)
443 * @param $timezone The timezone string (e.g. Europe/Berlin)
444 * @return $success If timezone was accepted
445 * @throws NullPointerException If $timezone is NULL
446 * @throws InvalidArgumentException If $timezone is empty
448 public static function setDefaultTimezone ($timezone) {
450 if (is_null($timezone)) {
452 throw new NullPointerException(NULL, BaseFrameworkSystem::EXCEPTION_IS_NULL_POINTER);
453 } elseif (!is_string($timezone)) {
455 throw new InvalidArgumentException(sprintf('timezone[]=%s is not a string', gettype($timezone)));
456 } elseif ((is_string($timezone)) && (empty($timezone))) {
458 throw new InvalidArgumentException('timezone is empty');
465 * Set desired time zone to prevent date() and related functions to
466 * issue an E_WARNING.
468 $success = date_default_timezone_set($timezone);
475 * Checks whether HTTPS is set in $_SERVER
477 * @return $isset Whether HTTPS is set
478 * @todo Test more fields
480 public static function isHttpSecured () {
484 isset($_SERVER['HTTPS'])
486 strtolower($_SERVER['HTTPS']) == 'on'
490 isset($_SERVER['HTTP_X_FORWARDED_PROTO'])
492 strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https'
499 * Dectect and return the base URL for all URLs and forms
501 * @return $baseUrl Detected base URL
503 public static function detectBaseUrl () {
504 // Initialize the URL
508 if (self::isHttpSecured()) {
509 // Add the >s< for HTTPS
513 // Construct the full URL and secure it against CSRF attacks
514 $baseUrl = sprintf('%s://%s%s', $protocol, self::detectDomain(), self::detectScriptPath());
521 * Detect safely and return the full domain where this script is installed
523 * @return $fullDomain The detected full domain
525 public static function detectDomain () {
526 // Full domain is localnet.invalid by default
527 $fullDomain = 'localnet.invalid';
529 // Is the server name there?
530 if (isset($_SERVER['SERVER_NAME'])) {
531 // Detect the full domain
532 $fullDomain = htmlentities(strip_tags($_SERVER['SERVER_NAME']), ENT_QUOTES);
540 * Detect safely the script path without trailing slash which is the glue
541 * between "http://your-domain.invalid/" and "script-name.php"
543 * @return $scriptPath The script path extracted from $_SERVER['SCRIPT_NAME']
545 public static function detectScriptPath () {
549 // Is the scriptname set?
550 if (isset($_SERVER['SCRIPT_NAME'])) {
551 // Get dirname from it and replace back-slashes with slashes for lame OSes...
552 $scriptPath = str_replace("\\", '/', dirname($_SERVER['SCRIPT_NAME']));
560 * 1) Loads class scanner and scans all framework's classes and interfaces.
561 * This method also registers the class loader's method autoLoad() for the
562 * SPL auto-load feature. Remember that you can register additional methods
563 * (not functions, please) for other libraries.
565 * Yes, I know about Composer, but I like to keep my class loader around.
566 * You can always use mine as long as your classes have a namespace
567 * according naming-convention: Vendor\Project\Group[\SubGroup]
571 private static function scanFrameworkClasses () {
572 // Include the class loader function
573 require self::getConfigurationInstance()->getConfigEntry('framework_base_path') . 'loader/class_ClassLoader.php';
575 // Register auto-load function with the SPL
576 spl_autoload_register('Org\Mxchange\CoreFramework\Loader\ClassLoader::autoLoad');
578 // Scan for all framework classes, exceptions and interfaces
579 ClassLoader::scanFrameworkClasses();
583 * 2) Determines request/response type and stores the created
584 * request/response instances in this object for later usage.
588 private static function determineRequestType () {
589 // Determine request type
590 $request = self::getRequestTypeFromSystem();
591 $requestType = self::getRequestTypeFromSystem();
593 // Create a new request object
594 $requestInstance = ObjectFactory::createObjectByName(sprintf('Org\Mxchange\CoreFramework\Request\%sRequest', BaseFrameworkSystem::convertToClassName($request)));
596 // Remember request instance here
597 self::setRequestInstance($requestInstance);
599 // Do we have another response?
600 if ($requestInstance->isRequestElementSet('request')) {
602 $request = strtolower($requestInstance->getRequestElement('request'));
603 $requestType = $request;
606 // ... and a new response object
607 $responseClass = sprintf('Org\Mxchange\CoreFramework\Response\%sResponse', BaseFrameworkSystem::convertToClassName($request));
608 $responseInstance = ObjectFactory::createObjectByName($responseClass);
610 // Remember response instance here
611 self::setResponseInstance($responseInstance);
615 * 3) Validate parameter 'application' if it is set and the application is there.
619 private static function validateApplicationParameter () {
620 // Is the parameter set?
621 if (!self::getRequestInstance()->isRequestElementSet('app')) {
623 * Don't continue here, the application 'selector' is no longer
624 * supported and only existed as an idea to select the proper
625 * application (by user).
627 ApplicationEntryPoint::exitApplication('No application specified. Please provide a parameter "app" and retry.');
630 // Get it for local usage
631 $application = self::getRequestInstance()->getRequestElement('app');
633 // Secure it, by keeping out tags
634 $application = htmlentities(strip_tags($application), ENT_QUOTES);
636 // Secure it a little more with a reg.exp.
637 $application = preg_replace('/([^a-z0-9_-])+/i', '', $application);
639 // Construct FQPN (Full-Qualified Path Name) for ApplicationHelper class
640 $applicationPath = sprintf(
642 self::getConfigurationInstance()->getConfigEntry('application_base_path'),
647 // Full path for application
648 // Is the path there? This secures a bit the parameter (from untrusted source).
649 if ((!is_dir($applicationPath)) || (!is_readable($applicationPath))) {
650 // Not found or not readable
651 ApplicationEntryPoint::exitApplication(sprintf('Application "%s" not found.', $application));
654 // Set the detected application's name and full path for later usage
655 self::getConfigurationInstance()->setConfigEntry('detected_full_app_path', $applicationPath);
656 self::getConfigurationInstance()->setConfigEntry('detected_app_name' , $application);
660 * Getter for request instance
662 * @return $requestInstance An instance of a Requestable class
664 public static function getRequestInstance () {
665 return self::$requestInstance;
669 * Getter for response instance
671 * @return $responseInstance An instance of a Responseable class
673 public static function getResponseInstance () {
674 return self::$responseInstance;
678 * Setter for request instance
680 * @param $requestInstance An instance of a Requestable class
683 private static function setRequestInstance (Requestable $requestInstance) {
684 self::$requestInstance = $requestInstance;
688 * Setter for response instance
690 * @param $responseInstance An instance of a Responseable class
693 private static function setResponseInstance (Responseable $responseInstance) {
694 self::$responseInstance = $responseInstance;
698 * Setter for database instance
700 * @param $databaseInstance An instance of a DatabaseConnection class
703 public static function setDatabaseInstance (DatabaseConnection $databaseInstance) {
704 self::$databaseInstance = $databaseInstance;
708 * Getter for database instance
710 * @return $databaseInstance An instance of a DatabaseConnection class
712 public static function getDatabaseInstance () {
714 return self::$databaseInstance;