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\Localization\ManageableLanguage;
15 use Org\Mxchange\CoreFramework\Loader\ClassLoader;
16 use Org\Mxchange\CoreFramework\Manager\ManageableApplication;
17 use Org\Mxchange\CoreFramework\Middleware\Debug\DebugMiddleware;
18 use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
19 use Org\Mxchange\CoreFramework\Registry\GenericRegistry;
20 use Org\Mxchange\CoreFramework\Request\Requestable;
21 use Org\Mxchange\CoreFramework\Response\Responseable;
22 use Org\Mxchange\CoreFramework\Utils\String\StringUtils;
25 use \BadMethodCallException;
26 use \InvalidArgumentException;
30 * A framework-bootstrap class which helps the frameworks to bootstrap ... ;-)
32 * @author Roland Haeder <webmaster@ship-simu.org>
34 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
35 * @license GNU GPL 3.0 or any newer version
36 * @link http://www.ship-simu.org
38 * This program is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or
41 * (at your option) any later version.
43 * This program is distributed in the hope that it will be useful,
44 * but WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
46 * GNU General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see <http://www.gnu.org/licenses/>.
51 final class FrameworkBootstrap {
54 * Detected server address
56 private static $serverAddress = NULL;
59 * Instance of a Requestable class
61 private static $requestInstance = NULL;
64 * Instance of a Responseable class
66 private static $responseInstance = NULL;
69 * Instance of a FrameworkConfiguration class
71 private static $configurationInstance = NULL;
76 private static $databaseInstance = NULL;
79 * Language system instance
81 private static $languageInstance = NULL;
84 * Includes applications may have. They will be tried in the given order,
85 * some will become soon deprecated.
87 private static $configAppIncludes = array(
88 // The ApplicationHelper class (required)
89 'class_ApplicationHelper' => 'required',
90 // Some debugging stuff (optional but can be committed)
91 'debug' => 'optional',
92 // Application's exception handler (optional but can be committed)
93 'exceptions' => 'optional',
94 // Application's configuration file (committed, non-local specific)
95 'config' => 'required',
96 // Local configuration file (optional, not committed, listed in .gitignore)
97 'config-local' => 'optional',
98 // Application data (deprecated)
99 'data' => 'deprecated',
100 // Application loader (deprecated)
101 'loader' => 'deprecated',
102 // Application initializer (deprecated)
103 'init' => 'deprecated',
104 // Application starter (deprecated)
105 'starter' => 'deprecated',
109 * Private constructor, no instance is needed from this class as only
110 * static methods exist.
112 private function __construct () {
113 // Prevent making instances from this "utilities" class
117 * Some "getter" for a configuration instance, making sure, it is unique
119 * @return $configurationInstance An instance of a FrameworkConfiguration class
121 public static function getConfigurationInstance () {
122 // Is the instance there?
123 if (is_null(self::$configurationInstance)) {
125 self::$configurationInstance = new FrameworkConfiguration();
129 return self::$configurationInstance;
133 * "Getter" to get response/request type from analysis of the system.
135 * @return $requestType Analyzed request type
137 public static function getRequestTypeFromSystem () {
138 // Default is console
139 $requestType = 'console';
141 // Is 'HTTP_HOST' set?
142 if (isset($_SERVER['HTTP_HOST'])) {
143 // Then it is a HTML response/request.
144 $requestType = 'html';
152 * Checks whether the given file/path is in open_basedir(). This does not
153 * gurantee that the file is actually readable and/or writeable. If you need
154 * such gurantee then please use isReadableFile() instead.
156 * @param $fileInstance An instance of a SplFileInfo class
157 * @return $isReachable Whether it is within open_basedir()
159 public static function isReachableFilePath (SplFileInfo $fileInstance) {
160 // Is not reachable by default
161 $isReachable = false;
163 // Get open_basedir parameter
164 $openBaseDir = trim(ini_get('open_basedir'));
167 if (!empty($openBaseDir)) {
169 foreach (explode(PATH_SEPARATOR, $openBaseDir) as $dir) {
170 // Check on existence
171 if (substr($fileInstance->getPathname(), 0, strlen($dir)) == $dir) {
175 // Abort lookup as it has been found in open_basedir
180 // If open_basedir is not set, all is allowed
189 * Checks whether the give file is within open_basedir() (done by
190 * isReachableFilePath()), is actually a file and is readable.
192 * @param $fileInstance An instance of a SplFileInfo class
193 * @return $isReadable Whether the file is readable (and therefor exists)
195 public static function isReadableFile (SplFileInfo $fileInstance) {
196 // Default is not readable
199 // Check if it is a file and readable
202 self::isReachableFilePath($fileInstance)
204 $fileInstance->isFile()
206 $fileInstance->isReadable()
215 * Loads given include file
217 * @param $fileInstance An instance of a SplFileInfo class
219 * @throws InvalidArgumentException If file was not found or not readable or deprecated
221 public static function loadInclude (SplFileInfo $fileInstance) {
223 //* NOISY-DEBUG: */ printf('[%s:%d]: fileInstance=%s - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $fileInstance);
225 // Should be there ...
226 if (!self::isReadableFile($fileInstance)) {
228 throw new InvalidArgumentException(sprintf('Cannot find fileInstance.pathname=%s.', $fileInstance->getPathname()));
232 require_once $fileInstance->getPathname();
235 //* NOISY-DEBUG: */ printf('[%s:%d]: EXIT!' . PHP_EOL, __METHOD__, __LINE__);
239 * Does the actual bootstrap
243 public static function doBootstrap () {
244 // Load basic include files to continue bootstrapping
245 self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sclass_FrameworkInterface.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
246 self::loadInclude(new SplFileInfo(sprintf('%smain%sclasses%sclass_BaseFrameworkSystem.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
247 self::loadInclude(new SplFileInfo(sprintf('%smain%sclasses%sutils%sstring%sclass_StringUtils.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
248 self::loadInclude(new SplFileInfo(sprintf('%smain%sinterfaces%sregistry%sclass_Registerable.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR)));
249 self::loadInclude(new SplFileInfo(sprintf('%sconfig%sclass_FrameworkConfiguration.php', ApplicationEntryPoint::detectFrameworkPath(), DIRECTORY_SEPARATOR)));
251 // Load global configuration
252 self::loadInclude(new SplFileInfo(sprintf('%s%s', ApplicationEntryPoint::detectFrameworkPath(), 'config-global.php')));
256 * Initializes the framework by scanning for all framework-relevant
257 * classes, interfaces and exception. Then determine the request type and
258 * initialize a Requestable instance which will then contain all request
259 * parameter, also from CLI. Next step is to validate the application
264 public static function initFramework () {
266 * 1) Load class loader and scan framework classes, interfaces and
269 self::scanFrameworkClasses();
272 * 2) Determine the request type, console or web and store request and
273 * response here. This also initializes the request instance will
274 * all given parameters (see doc-tag for possible sources of
277 self::determineRequestType();
280 * 3) Now, that there are all request parameters being available, check
281 * if 'application' is supplied. If it is not found, abort execution, if
282 * found, continue below with next step.
284 self::validateApplicationParameter();
288 * Initializes the detected application. This may fail if required files
289 * are not found in the application's base path (not to be confused with
290 * 'application_base_path' which only points to /some/foo/application/.
294 public static function prepareApplication () {
295 // Configuration entry 'detected_app_name' must be set, get it here, including full path
296 $application = self::getConfigurationInstance()->getConfigEntry('detected_app_name');
297 $fullPath = self::getConfigurationInstance()->getConfigEntry('detected_full_app_path');
300 * Now check and load all files, found deprecated files will throw a
301 * warning at the user.
303 foreach (self::$configAppIncludes as $fileName => $status) {
304 // Construct file instance
305 $fileInstance = new SplFileInfo(sprintf('%s%s.php', $fullPath, $fileName));
307 // Determine if this file is wanted/readable/deprecated
308 if (($status == 'required') && (!self::isReadableFile($fileInstance))) {
309 // Nope, required file cannot be found/read from
310 ApplicationEntryPoint::exitApplication(sprintf('Application "%s" does not have required file "%s.php". Please add it.', $application, $fileInstance->getBasename()));
311 } elseif (($fileInstance->isFile()) && (!$fileInstance->isReadable())) {
312 // Found, not readable file
313 ApplicationEntryPoint::exitApplication(sprintf('File "%s.php" from application "%s" cannot be read. Please fix CHMOD.', $fileInstance->getBasename(), $application));
314 } elseif (($status != 'required') && (!self::isReadableFile($fileInstance))) {
315 // Not found but optional/deprecated file, skip it
319 // Is the file deprecated?
320 if ($status == 'deprecated') {
322 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, $application), E_USER_WARNING);
324 // Skip loading deprecated file
329 self::loadInclude($fileInstance);
332 // Scan for application's classes, exceptions and interfaces
333 ClassLoader::scanApplicationClasses();
337 * Starts a fully initialized application, the class ApplicationHelper must
338 * be loaded at this point.
342 public static function startApplication () {
343 // Configuration entry 'detected_app_name' must be set, get it here
344 $application = self::getConfigurationInstance()->getConfigEntry('detected_app_name');
346 // Is there an application helper instance?
347 $applicationInstance = call_user_func_array(
349 'Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper', 'getSelfInstance'
353 // Some sanity checks
354 if ((empty($applicationInstance)) || (is_null($applicationInstance))) {
355 // Something went wrong!
356 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because the helper class <span class="class_name">%s</span> is not loaded.',
358 'Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper'
360 } elseif (!is_object($applicationInstance)) {
362 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because 'app' is not an object (%s).',
364 gettype($applicationInstance)
366 } elseif (!($applicationInstance instanceof ManageableApplication)) {
368 ApplicationEntryPoint::exitApplication(sprintf('[Main:] The application <span class="app_name">%s</span> could not be launched because 'app' is lacking required interface ManageableApplication.',
373 // Now call all methods in one go
374 foreach (array('setupApplicationData', 'initApplication', 'launchApplication') as $methodName) {
376 //*NOISY-DEBUG: */ printf('[%s:%d]: Calling methodName=%s ...' . PHP_EOL, __METHOD__, __LINE__, $methodName);
379 call_user_func(array($applicationInstance, $methodName));
384 * Initializes database instance, no need to double-call this method
388 public static function initDatabaseInstance () {
389 // Get application instance
390 $applicationInstance = ApplicationHelper::getSelfInstance();
392 // Is the database instance already set?
393 if (self::getDatabaseInstance() instanceof DatabaseConnector) {
394 // Yes, then abort here
395 throw new BadMethodCallException('Method called twice.');
398 // Initialize database layer
399 $databaseInstance = ObjectFactory::createObjectByConfiguredName(self::getConfigurationInstance()->getConfigEntry('database_type') . '_class');
401 // Prepare database instance
402 $connectionInstance = DatabaseConnection::createDatabaseConnection(DebugMiddleware::getSelfInstance(), $databaseInstance);
404 // Set it in application helper
405 self::setDatabaseInstance($connectionInstance);
409 * Detects the server address (SERVER_ADDR) and set it in configuration
411 * @return $serverAddress The detected server address
412 * @throws UnknownHostnameException If SERVER_NAME cannot be resolved to an IP address
413 * @todo Have to check some more entries from $_SERVER here
415 public static function detectServerAddress () {
417 if (!isset(self::$serverAddress)) {
418 // Is it set in $_SERVER?
419 if (!empty($_SERVER['SERVER_ADDR'])) {
420 // Set it from $_SERVER
421 self::$serverAddress = $_SERVER['SERVER_ADDR'];
422 } elseif (isset($_SERVER['SERVER_NAME'])) {
423 // Resolve IP address
424 $serverIp = ConsoleTools::resolveIpAddress($_SERVER['SERVER_NAME']);
427 if ($serverIp === false) {
429 * Why is gethostbyname() returning the host name and not
430 * false as many other PHP functions are doing? ;-(
432 throw new UnknownHostnameException(sprintf('Cannot resolve "%s" to an IP address. Please fix your setup.', $_SERVER['SERVER_NAME']));
436 self::$serverAddress = $serverIp;
438 // Run auto-detecting through console tools lib
439 self::$serverAddress = ConsoleTools::acquireSelfIpAddress();
444 return self::$serverAddress;
448 * Setter for default time zone (must be correct!)
450 * @param $timezone The timezone string (e.g. Europe/Berlin)
451 * @return $success If timezone was accepted
452 * @throws NullPointerException If $timezone is NULL
453 * @throws InvalidArgumentException If $timezone is empty
455 public static function setDefaultTimezone ($timezone) {
457 if (is_null($timezone)) {
459 throw new NullPointerException(NULL, BaseFrameworkSystem::EXCEPTION_IS_NULL_POINTER);
460 } elseif (!is_string($timezone)) {
462 throw new InvalidArgumentException(sprintf('timezone[]=%s is not a string', gettype($timezone)));
463 } elseif ((is_string($timezone)) && (empty($timezone))) {
465 throw new InvalidArgumentException('timezone is empty');
472 * Set desired time zone to prevent date() and related functions to
473 * issue an E_WARNING.
475 $success = date_default_timezone_set($timezone);
482 * Checks whether HTTPS is set in $_SERVER
484 * @return $isset Whether HTTPS is set
485 * @todo Test more fields
487 public static function isHttpSecured () {
491 isset($_SERVER['HTTPS'])
493 strtolower($_SERVER['HTTPS']) == 'on'
497 isset($_SERVER['HTTP_X_FORWARDED_PROTO'])
499 strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https'
506 * Dectect and return the base URL for all URLs and forms
508 * @return $baseUrl Detected base URL
510 public static function detectBaseUrl () {
511 // Initialize the URL
515 if (self::isHttpSecured()) {
516 // Add the >s< for HTTPS
520 // Construct the full URL and secure it against CSRF attacks
521 $baseUrl = sprintf('%s://%s%s', $protocol, self::detectDomain(), self::detectScriptPath());
528 * Detect safely and return the full domain where this script is installed
530 * @return $fullDomain The detected full domain
532 public static function detectDomain () {
533 // Full domain is localnet.invalid by default
534 $fullDomain = 'localnet.invalid';
536 // Is the server name there?
537 if (isset($_SERVER['SERVER_NAME'])) {
538 // Detect the full domain
539 $fullDomain = htmlentities(strip_tags($_SERVER['SERVER_NAME']), ENT_QUOTES);
547 * Detect safely the script path without trailing slash which is the glue
548 * between "http://your-domain.invalid/" and "script-name.php"
550 * @return $scriptPath The script path extracted from $_SERVER['SCRIPT_NAME']
552 public static function detectScriptPath () {
556 // Is the scriptname set?
557 if (isset($_SERVER['SCRIPT_NAME'])) {
558 // Get dirname from it and replace back-slashes with slashes for lame OSes...
559 $scriptPath = str_replace("\\", '/', dirname($_SERVER['SCRIPT_NAME']));
567 * 1) Loads class scanner and scans all framework's classes and interfaces.
568 * This method also registers the class loader's method autoLoad() for the
569 * SPL auto-load feature. Remember that you can register additional methods
570 * (not functions, please) for other libraries.
572 * Yes, I know about Composer, but I like to keep my class loader around.
573 * You can always use mine as long as your classes have a namespace
574 * according naming-convention: Vendor\Project\Group[\SubGroup]
578 private static function scanFrameworkClasses () {
579 // Include the class loader function
580 require self::getConfigurationInstance()->getConfigEntry('framework_base_path') . 'loader/class_ClassLoader.php';
582 // Register auto-load function with the SPL
583 spl_autoload_register('Org\Mxchange\CoreFramework\Loader\ClassLoader::autoLoad');
585 // Scan for all framework classes, exceptions and interfaces
586 ClassLoader::scanFrameworkClasses();
590 * 2) Determines request/response type and stores the created
591 * request/response instances in this object for later usage.
595 private static function determineRequestType () {
596 // Determine request type
597 $request = self::getRequestTypeFromSystem();
598 $requestType = self::getRequestTypeFromSystem();
600 // Create a new request object
601 $requestInstance = ObjectFactory::createObjectByName(sprintf('Org\Mxchange\CoreFramework\Request\%sRequest', StringUtils::convertToClassName($request)));
603 // Remember request instance here
604 self::setRequestInstance($requestInstance);
606 // Do we have another response?
607 if ($requestInstance->isRequestElementSet('request')) {
609 $request = strtolower($requestInstance->getRequestElement('request'));
610 $requestType = $request;
613 // ... and a new response object
614 $responseClass = sprintf('Org\Mxchange\CoreFramework\Response\%sResponse', StringUtils::convertToClassName($request));
615 $responseInstance = ObjectFactory::createObjectByName($responseClass);
617 // Remember response instance here
618 self::setResponseInstance($responseInstance);
622 * 3) Validate parameter 'application' if it is set and the application is there.
626 private static function validateApplicationParameter () {
627 // Is the parameter set?
628 if (!self::getRequestInstance()->isRequestElementSet('app')) {
630 * Don't continue here, the application 'selector' is no longer
631 * supported and only existed as an idea to select the proper
632 * application (by user).
634 ApplicationEntryPoint::exitApplication('No application specified. Please provide a parameter "app" and retry.');
637 // Get it for local usage
638 $application = self::getRequestInstance()->getRequestElement('app');
640 // Secure it, by keeping out tags
641 $application = htmlentities(strip_tags($application), ENT_QUOTES);
643 // Secure it a little more with a reg.exp.
644 $application = preg_replace('/([^a-z0-9_-])+/i', '', $application);
646 // Construct FQPN (Full-Qualified Path Name) for ApplicationHelper class
647 $applicationPath = sprintf(
649 self::getConfigurationInstance()->getConfigEntry('application_base_path'),
654 // Full path for application
655 // Is the path there? This secures a bit the parameter (from untrusted source).
656 if ((!is_dir($applicationPath)) || (!is_readable($applicationPath))) {
657 // Not found or not readable
658 ApplicationEntryPoint::exitApplication(sprintf('Application "%s" not found.', $application));
661 // Set the detected application's name and full path for later usage
662 self::getConfigurationInstance()->setConfigEntry('detected_full_app_path', $applicationPath);
663 self::getConfigurationInstance()->setConfigEntry('detected_app_name' , $application);
667 * Getter for request instance
669 * @return $requestInstance An instance of a Requestable class
671 public static function getRequestInstance () {
672 return self::$requestInstance;
676 * Getter for response instance
678 * @return $responseInstance An instance of a Responseable class
680 public static function getResponseInstance () {
681 return self::$responseInstance;
685 * Setter for request instance
687 * @param $requestInstance An instance of a Requestable class
690 private static function setRequestInstance (Requestable $requestInstance) {
691 self::$requestInstance = $requestInstance;
695 * Setter for response instance
697 * @param $responseInstance An instance of a Responseable class
700 private static function setResponseInstance (Responseable $responseInstance) {
701 self::$responseInstance = $responseInstance;
705 * Setter for database instance
707 * @param $databaseInstance An instance of a DatabaseConnection class
710 public static function setDatabaseInstance (DatabaseConnection $databaseInstance) {
711 self::$databaseInstance = $databaseInstance;
715 * Getter for database instance
717 * @return $databaseInstance An instance of a DatabaseConnection class
719 public static function getDatabaseInstance () {
721 return self::$databaseInstance;
725 * Private getter for language instance
727 * @return $languageInstance An instance of a ManageableLanguage class
729 public static function getLanguageInstance () {
730 return self::$languageInstance;
734 * Setter for language instance
736 * @param $languageInstance An instance of a ManageableLanguage class
739 public static function setLanguageInstance (ManageableLanguage $languageInstance) {
740 self::$languageInstance = $languageInstance;