X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Fclass_BaseFrameworkSystem.php;h=4205170200d1e544d6e3dfe34aa55a21350f6222;hp=ff444c06f8681df3428054fade689be3103f334e;hb=3cbaa685d35683473f2a13107999108344df2aa7;hpb=5935483b160f5c59957b6aac928ebb8da2943368 diff --git a/inc/classes/main/class_BaseFrameworkSystem.php b/inc/classes/main/class_BaseFrameworkSystem.php index ff444c06..42051702 100644 --- a/inc/classes/main/class_BaseFrameworkSystem.php +++ b/inc/classes/main/class_BaseFrameworkSystem.php @@ -5,7 +5,7 @@ * * @author Roland Haeder * @version 0.0.0 - * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2013 Core Developer Team + * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team * @license GNU GPL 3.0 or any newer version * @link http://www.shipsimu.org * @@ -129,7 +129,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { private $parserInstance = NULL; /** - * A ProtocolHandler instance + * A HandleableProtocol instance */ private $protocolInstance = NULL; @@ -144,10 +144,15 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { private $helperInstance = NULL; /** - * An instance of a Sourceable class + * An instance of a Source class */ private $sourceInstance = NULL; + /** + * An instance of a UrlSource class + */ + private $urlSourceInstance = NULL; + /** * An instance of a InputStream class */ @@ -198,6 +203,26 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ private $minableInstance = NULL; + /** + * A FrameworkDirectory instance + */ + private $directoryInstance = NULL; + + /** + * Listener instance + */ + private $listenerInstance = NULL; + + /** + * An instance of a communicator + */ + private $communicatorInstance = NULL; + + /** + * State instance + */ + private $stateInstance = NULL; + /** * Thousands separator */ @@ -213,6 +238,11 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ private $socketResource = FALSE; + /** + * Regular expression to use for validation + */ + private $regularExpression = ''; + /** * Package data */ @@ -223,6 +253,49 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ private $genericArray = array(); + /** + * Command name + */ + private $commandName = ''; + + /** + * Controller name + */ + private $controllerName = ''; + + /** + * Name of used protocol + */ + private $protocolName = 'invalid'; + + /** + * Array with bitmasks and such for pack/unpack methods to support both + * 32-bit and 64-bit systems + */ + private $packingData = array( + 32 => array( + 'step' => 3, + 'left' => 0xffff0000, + 'right' => 0x0000ffff, + 'factor' => 16, + 'format' => 'II', + ), + 64 => array( + 'step' => 7, + 'left' => 0xffffffff00000000, + 'right' => 0x00000000ffffffff, + 'factor' => 32, + 'format' => 'NN' + ) + ); + + /** + * Simple 64-bit check, thanks to "Salman A" from stackoverflow.com: + * + * The integer size is 4 bytes on 32-bit and 8 bytes on a 64-bit system. + */ + private $archArrayElement = FALSE; + /*********************** * Exception codes.... * ***********************/ @@ -283,9 +356,11 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { const EXCEPTION_FATAL_ERROR = 0x035; const EXCEPTION_FILE_NOT_FOUND = 0x036; const EXCEPTION_ASSERTION_FAILED = 0x037; - const EXCEPTION_FILE_CANNOT_BE_READ = 0x038; - const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x039; - const EXCEPTION_FILTER_CHAIN_INTERCEPTED = 0x03a; + const EXCEPTION_FILE_NOT_REACHABLE = 0x038; + const EXCEPTION_FILE_CANNOT_BE_READ = 0x039; + const EXCEPTION_FILE_CANNOT_BE_WRITTEN = 0x03a; + const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x03b; + const EXCEPTION_FILTER_CHAIN_INTERCEPTED = 0x03c; /** * Hexadecimal->Decimal translation array @@ -357,6 +432,9 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Then set it self::$startupTime = microtime(TRUE); } // END - if + + // Set array element + $this->archArrayElement = (PHP_INT_SIZE === 8 ? 64 : 32); } /** @@ -407,10 +485,13 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Init argument string $argsString = ''; - // Is it empty or an array? - if (empty($args)) { + // Is it NULL, empty or an array? + if (is_null($args)) { // No arguments $argsString = 'NULL'; + } elseif (empty($args)) { + // Empty arguments + $argsString = '(empty)'; } elseif (is_array($args)) { // Some arguments are there foreach ($args as $arg) { @@ -472,7 +553,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Magic function to catch setting of missing but set class fields/attributes + * Magic method to catch setting of missing but set class fields/attributes * * @param $name Name of the field/attribute * @param $value Value to store @@ -487,7 +568,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Magic function to catch getting of missing fields/attributes + * Magic method to catch getting of missing fields/attributes * * @param $name Name of the field/attribute * @return void @@ -499,7 +580,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Magic function to catch unsetting of missing fields/attributes + * Magic method to catch unsetting of missing fields/attributes * * @param $name Name of the field/attribute * @return void @@ -510,6 +591,36 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { )); } + /** + * Magic method to catch object serialization + * + * @return $unsupported Unsupported method + * @throws UnsupportedOperationException Objects of this framework cannot be serialized + */ + public final function __sleep () { + throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION); + } + + /** + * Magic method to catch object deserialization + * + * @return $unsupported Unsupported method + * @throws UnsupportedOperationException Objects of this framework cannot be serialized + */ + public final function __wakeup () { + throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION); + } + + /** + * Magic method to catch calls when an object instance is called + * + * @return $unsupported Unsupported method + * @throws UnsupportedOperationException Objects of this framework cannot be serialized + */ + public final function __invoke () { + throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION); + } + /** * Setter for the real class name * @@ -1013,19 +1124,19 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Setter for ProtocolHandler instance + * Setter for HandleableProtocol instance * - * @param $protocolInstance An instance of an ProtocolHandler + * @param $protocolInstance An instance of an HandleableProtocol * @return void */ - public final function setProtocolInstance (ProtocolHandler $protocolInstance = NULL) { + public final function setProtocolInstance (HandleableProtocol $protocolInstance) { $this->protocolInstance = $protocolInstance; } /** - * Getter for ProtocolHandler instance + * Getter for HandleableProtocol instance * - * @return $protocolInstance An instance of an ProtocolHandler + * @return $protocolInstance An instance of an HandleableProtocol */ public final function getProtocolInstance () { return $this->protocolInstance; @@ -1071,6 +1182,27 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return $this->socketResource; } + /** + * Setter for regular expression + * + * @param $regularExpression A valid regular expression + * @return void + */ + public final function setRegularExpression ($regularExpression) { + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': regularExpression=' . $regularExpression . ',previous[' . gettype($this->regularExpression) . ']=' . $this->regularExpression); + $this->regularExpression = $regularExpression; + } + + /** + * Getter for regular expression + * + * @return $regularExpression A valid regular expression + */ + public final function getRegularExpression () { + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': regularExpression[' . gettype($this->regularExpression) . ']=' . $this->regularExpression); + return $this->regularExpression; + } + /** * Setter for helper instance * @@ -1091,24 +1223,43 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Setter for a Sourceable instance + * Setter for a Source instance * - * @param $sourceInstance The Sourceable instance + * @param $sourceInstance An instance of a Source class * @return void */ - protected final function setSourceInstance (Sourceable $sourceInstance) { + protected final function setSourceInstance (Source $sourceInstance) { $this->sourceInstance = $sourceInstance; } /** - * Getter for a Sourceable instance + * Getter for a Source instance * - * @return $sourceInstance The Sourceable instance + * @return $sourceInstance An instance of a Source class */ protected final function getSourceInstance () { return $this->sourceInstance; } + /** + * Setter for a UrlSource instance + * + * @param $sourceInstance An instance of a UrlSource class + * @return void + */ + protected final function setUrlSourceInstance (UrlSource $urlSourceInstance) { + $this->urlSourceInstance = $urlSourceInstance; + } + + /** + * Getter for a UrlSource instance + * + * @return $urlSourceInstance An instance of a UrlSource class + */ + protected final function getUrlSourceInstance () { + return $this->urlSourceInstance; + } + /** * Getter for a InputStream instance * @@ -1244,24 +1395,40 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Setter for InputOutputPointer instance + * Setter for FilePointer instance * - * @param $pointerInstance An instance of an InputOutputPointer class + * @param $pointerInstance An instance of an FilePointer class * @return void */ - protected final function setPointerInstance (InputOutputPointer $pointerInstance) { + protected final function setPointerInstance (FilePointer $pointerInstance) { $this->pointerInstance = $pointerInstance; } /** - * Getter for InputOutputPointer instance + * Getter for FilePointer instance * - * @return $pointerInstance An instance of an InputOutputPointer class + * @return $pointerInstance An instance of an FilePointer class */ public final function getPointerInstance () { return $this->pointerInstance; } + /** + * Unsets pointer instance which triggers a call of __destruct() if the + * instance is still there. This is surely not fatal on already "closed" + * file pointer instances. + * + * I don't want to mess around with above setter by giving it a default + * value NULL as setter should always explicitly only set (existing) object + * instances and NULL is NULL. + * + * @return void + */ + protected final function unsetPointerInstance () { + // Simply it to NULL + $this->pointerInstance = NULL; + } + /** * Setter for Indexable instance * @@ -1319,6 +1486,139 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return $this->minableInstance; } + /** + * Setter for FrameworkDirectory instance + * + * @param $directoryInstance A FrameworkDirectoryPointer instance + * @return void + */ + protected final function setDirectoryInstance (FrameworkDirectory $directoryInstance) { + $this->directoryInstance = $directoryInstance; + } + + /** + * Getter for FrameworkDirectory instance + * + * @return $directoryInstance A FrameworkDirectory instance + */ + protected final function getDirectoryInstance () { + return $this->directoryInstance; + } + + /** + * Setter for listener instance + * + * @param $listenerInstance A Listenable instance + * @return void + */ + protected final function setListenerInstance (Listenable $listenerInstance) { + $this->listenerInstance = $listenerInstance; + } + + /** + * Getter for listener instance + * + * @return $listenerInstance A Listenable instance + */ + protected final function getListenerInstance () { + return $this->listenerInstance; + } + + /** + * Getter for communicator instance + * + * @return $communicatorInstance An instance of a Communicator class + */ + public final function getCommunicatorInstance () { + return $this->communicatorInstance; + } + + /** + * Setter for communicator instance + * + * @param $communicatorInstance An instance of a Communicator class + * @return void + */ + protected final function setCommunicatorInstance (Communicator $communicatorInstance) { + $this->communicatorInstance = $communicatorInstance; + } + + /** + * Setter for state instance + * + * @param $stateInstance A Stateable instance + * @return void + */ + public final function setStateInstance (Stateable $stateInstance) { + $this->stateInstance = $stateInstance; + } + + /** + * Getter for state instance + * + * @return $stateInstance A Stateable instance + */ + public final function getStateInstance () { + return $this->stateInstance; + } + + /** + * Setter for command name + * + * @param $commandName Last validated command name + * @return void + */ + protected final function setCommandName ($commandName) { + $this->commandName = $commandName; + } + + /** + * Getter for command name + * + * @return $commandName Last validated command name + */ + protected final function getCommandName () { + return $this->commandName; + } + + /** + * Setter for controller name + * + * @param $controllerName Last validated controller name + * @return void + */ + protected final function setControllerName ($controllerName) { + $this->controllerName = $controllerName; + } + + /** + * Getter for controller name + * + * @return $controllerName Last validated controller name + */ + protected final function getControllerName () { + return $this->controllerName; + } + + /** + * Getter for protocol name + * + * @return $protocolName Name of used protocol + */ + public final function getProtocolName () { + return $this->protocolName; + } + + /** + * Setter for protocol name + * + * @param $protocolName Name of used protocol + * @return void + */ + protected final function setProtocolName ($protocolName) { + $this->protocolName = $protocolName; + } + /** * Checks whether an object equals this object. You should overwrite this * method to implement own equality checks @@ -1395,7 +1695,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Prepare the template engine (WebTemplateEngine by default) for a given + * Prepare the template engine (HtmlTemplateEngine by default) for a given * application helper instance (ApplicationHelper by default). * * @param $applicationInstance An application helper instance or @@ -1418,7 +1718,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } // END - if // Initialize the template engine - $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class'); + $templateInstance = ObjectFactory::createObjectByConfiguredName('html_template_class'); // Return the prepared instance return $templateInstance; @@ -1556,7 +1856,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Try it try { // Get a debugger instance - $debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkConfiguration::getSelfInstance()->getConfigEntry('debug_class')); + $debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkConfiguration::getSelfInstance()->getConfigEntry('debug_' . self::getResponseTypeFromSystem() . '_class')); } catch (NullPointerException $e) { // Didn't work, no instance there exit('Cannot create debugInstance! Exception=' . $e->__toString() . ', message=' . $e->getMessage()); @@ -1642,12 +1942,12 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { * @param $str The string, what ever it is needs to be converted * @return $className Generated class name */ - public function convertToClassName ($str) { + public static final function convertToClassName ($str) { // Init class name $className = ''; // Convert all dashes in underscores - $str = $this->convertDashesToUnderscores($str); + $str = self::convertDashesToUnderscores($str); // Now use that underscores to get classname parts for hungarian style foreach (explode('_', $str) as $strPart) { @@ -1665,7 +1965,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { * @param $str The string with maybe dashes inside * @return $str The converted string with no dashed, but underscores */ - public final function convertDashesToUnderscores ($str) { + public static final function convertDashesToUnderscores ($str) { // Convert them all $str = str_replace('-', '_', $str); @@ -1786,7 +2086,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ protected final function getDatabaseEntry () { // Is there an instance? - if (is_null($this->getResultInstance())) { + if (!$this->getResultInstance() instanceof SearchableResult) { // Throw an exception here throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER); } // END - if @@ -1796,7 +2096,8 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Do we have an entry? if ($this->getResultInstance()->valid() === FALSE) { - throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT); + // @TODO Move the constant to e.g. BaseDatabaseResult when there is a non-cached database result available + throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), CachedDatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT); } // END - if // Get next entry @@ -1834,21 +2135,55 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($fieldName.':
'.print_r($fieldArray, TRUE).'
'); // Convert dashes to underscore - $fieldName = $this->convertDashesToUnderscores($fieldName); + $fieldName2 = self::convertDashesToUnderscores($fieldName); // Does the field exist? - if (isset($fieldArray[$fieldName])) { + if ($this->isFieldSet($fieldName)) { // Get it - $fieldValue = $fieldArray[$fieldName]; + $fieldValue = $fieldArray[$fieldName2]; + } elseif (defined('DEVELOPER')) { + // Missing field entry, may require debugging + self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldArray
=' . print_r($fieldArray, TRUE) . '
,fieldName=' . $fieldName . ' not found!'); } else { // Missing field entry, may require debugging - self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . ':fieldname=' . $fieldName . ' not found!'); + self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldName=' . $fieldName . ' not found!'); } // Return it return $fieldValue; } + /** + * Checks if given field is set + * + * @param $fieldName Field name to check + * @return $isSet Whether the given field name is set + * @throws NullPointerException If the result instance is null + */ + public function isFieldSet ($fieldName) { + // Get result instance + $resultInstance = $this->getResultInstance(); + + // Is this instance null? + if (is_null($resultInstance)) { + // Then the user instance is no longer valid (expired cookies?) + throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER); + } // END - if + + // Get current array + $fieldArray = $resultInstance->current(); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . $this->__toString() . ':' . __LINE__ . '] fieldName=' . $fieldName . ',fieldArray=
'.print_r($fieldArray, TRUE).'
'); + + // Convert dashes to underscore + $fieldName = self::convertDashesToUnderscores($fieldName); + + // Determine it + $isSet = isset($fieldArray[$fieldName]); + + // Return result + return $isSet; + } + /** * Flushs all pending updates to the database layer * @@ -1864,7 +2199,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { $configEntry = $resultInstance->getUpdateInstance()->getWrapperConfigEntry(); // Create object instance - $wrapperInstance = ObjectFactory::createObjectByConfiguredName($configEntry); + $wrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName($configEntry); // Yes, then send the whole result to the database layer $wrapperInstance->doUpdateByResult($this->getResultInstance()); @@ -2108,14 +2443,17 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { * * @return $responseType Analyzed response type */ - protected function getResponseTypeFromSystem () { + protected static function getResponseTypeFromSystem () { // Default is console $responseType = 'console'; // Is 'HTTP_HOST' set? if (isset($_SERVER['HTTP_HOST'])) { - // Then it is a HTTP response/request - $responseType = 'http'; + /* + * Then it is a HTML response/request as RSS and so on may be + * transfered over HTTP as well. + */ + $responseType = 'html'; } // END - if // Return it @@ -2834,6 +3172,28 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return $isValid; } + /** + * Initializes the web output instance + * + * @return void + */ + protected function initWebOutputInstance () { + // Get application instance + $applicationInstance = Registry::getRegistry()->getInstance('app'); + + // Is this a response instance? + if ($this instanceof Responseable) { + // Then set it in application instance + $applicationInstance->setResponseInstance($this); + } // END - if + + // Init web output instance + $outputInstance = ObjectFactory::createObjectByConfiguredName('output_class', array($applicationInstance)); + + // Set it locally + $this->setWebOutputInstance($outputInstance); + } + /** * Translates boolean TRUE to 'Y' and FALSE to 'N' * @@ -2850,6 +3210,126 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // ... and return it return $translated; } + + /** + * Encodes raw data (almost any type) by "serializing" it and then pack it + * into a "binary format". + * + * @param $rawData Raw data (almost any type) + * @return $encoded Encoded data + */ + protected function encodeData ($rawData) { + // Make sure no objects or resources pass through + assert(!is_object($rawData)); + assert(!is_resource($rawData)); + + // First "serialize" it (json_encode() is faster than serialize()) + $encoded = $this->packString(json_encode($rawData)); + + // And return it + return $encoded; + } + + /** + * Pack a string into a "binary format". Please execuse me that this is + * widely undocumented. :-( + * + * @param $str Unpacked string + * @return $packed Packed string + * @todo Improve documentation + */ + protected function packString ($str) { + // Debug message + //* NOISY-DEBUG */ self::createDebugInstance(__CLASS__)->debugOutput('str=' . $str . ' - CALLED!'); + + // First compress the string (gzcompress is okay) + $str = gzcompress($str); + + // Init variable + $packed = ''; + + // And start the "encoding" loop + for ($idx = 0; $idx < strlen($str); $idx += $this->packingData[$this->archArrayElement]['step']) { + $big = 0; + for ($i = 0; $i < $this->packingData[$this->archArrayElement]['step']; $i++) { + $factor = ($this->packingData[$this->archArrayElement]['step'] - 1 - $i); + + if (($idx + $i) <= strlen($str)) { + $ord = ord(substr($str, ($idx + $i), 1)); + + $add = $ord * pow(256, $factor); + + $big += $add; + + //print 'idx=' . $idx . ',i=' . $i . ',ord=' . $ord . ',factor=' . $factor . ',add=' . $add . ',big=' . $big . PHP_EOL; + } // END - if + } // END - for + + $l = ($big & $this->packingData[$this->archArrayElement]['left']) >>$this->packingData[$this->archArrayElement]['factor']; + $r = $big & $this->packingData[$this->archArrayElement]['right']; + + $chunk = str_pad(pack($this->packingData[$this->archArrayElement]['format'], $l, $r), 8, '0', STR_PAD_LEFT); + //* NOISY-DEBUG */ print 'big=' . $big . ',chunk('.strlen($chunk) . ')='.md5($chunk).PHP_EOL; + + $packed .= $chunk; + } // END - for + + // Return it + //* NOISY-DEBUG */ self::createDebugInstance(__CLASS__)->debugOutput('packed=' . $packed . ' - EXIT!'); + return $packed; + } + + /** + * Checks whether the given file/path is in open_basedir(). This does not + * 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 + * @return $isReachable Whether it is within open_basedir() + */ + public static function isReachableFilePath ($filePathName) { + // Is not reachable by default + $isReachable = FALSE; + + // Get open_basedir parameter + $openBaseDir = ini_get('open_basedir'); + + // Is it set? + if (!empty($openBaseDir)) { + // Check all entries + foreach (explode(PATH_SEPARATOR, $openBaseDir) as $dir) { + // Check on existence + if (substr($filePathName, 0, strlen($dir)) == $dir) { + // Is reachable + $isReachable = TRUE; + } // END - if + } // END - foreach + } else { + // If open_basedir is not set, all is allowed + $isReachable = TRUE; + } + + // Return status + return $isReachable; + } + + /** + * 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 + * @return $isReadable Whether the file is readable (and therefor exists) + */ + public static function isReadableFile ($fileName) { + // Default is not readable + $isReadable = FALSE; + + // Is within parameters, so check if it is a file and readable + $isReadable = ((self::isReachableFilePath($fileName)) && (file_exists($fileName)) && (is_file($fileName)) && (is_readable($fileName))); + + // Return status + return $isReadable; + } } // [EOF]