CallableObject::generateHash() - Code Metrics - Inspection of "Moved functions." - jaxon-php/jaxon-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 791f1f...546eff )

by Thierry

created 2019-04-20 15:38 UTC

CallableObject::generateHash() A

↳ Parent: CallableObject

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
nc	2
nop	0
dl	0
loc	11
rs	9.9
c	0
b	0
f	0

<?php

/**
 * CallableObject.php - Jaxon callable object plugin
 *
 * This class registers user defined callable objects, generates client side javascript code,
 * and calls their methods on user request
 *
 * @package jaxon-core
 * @author Jared White
 * @author J. Max Wilson
 * @author Joseph Woolley
 * @author Steffen Konerow
 * @author Thierry Feuzeu <[email protected]>
 * @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson
 * @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White  & J. Max Wilson
 * @copyright 2016 Thierry Feuzeu <[email protected]>
 * @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
 * @link https://github.com/jaxon-php/jaxon-core
 */

namespace Jaxon\Request\Plugin;

use Jaxon\Jaxon;
use Jaxon\Plugin\Request as RequestPlugin;

class CallableObject extends RequestPlugin
{
    use \Jaxon\Utils\Traits\Config;
    use \Jaxon\Utils\Traits\Manager;
    use \Jaxon\Utils\Traits\Validator;
    use \Jaxon\Utils\Traits\Translator;

    /**
     * The registered callable objects
     *
     * @var array
     */
    protected $aCallableObjects;

    /**
     * The classpaths of the registered callable objects
     *
     * @var array
     */
    protected $aClassPaths;

    /**
     * Directories where Jaxon classes to be registered are found
     *
     * @var array
     */
    private $aClassDirs = [];

    /**
     * True if the Composer autoload is enabled
     *
     * @var boolean
     */
    private $bAutoloadEnabled;

    /**
     * The Composer autoloader
     *
     * @var Autoloader
     */
    private $xAutoloader;

    /**
     * The value of the class parameter of the incoming Jaxon request
     *
     * @var string
     */
    protected $sRequestedClass;

    /**
     * The value of the method parameter of the incoming Jaxon request
     *
     * @var string
     */
    protected $sRequestedMethod;

    public function __construct()
    {
        $this->aCallableObjects = [];
        $this->aClassPaths = [];

        $this->bAutoloadEnabled = true;
        $this->xAutoloader = null;

        $this->sRequestedClass = null;
        $this->sRequestedMethod = null;

        if(!empty($_GET['jxncls']))
        {
            $this->sRequestedClass = $_GET['jxncls'];
        }
        if(!empty($_GET['jxnmthd']))
        {
            $this->sRequestedMethod = $_GET['jxnmthd'];
        }
        if(!empty($_POST['jxncls']))
        {
            $this->sRequestedClass = $_POST['jxncls'];
        }
        if(!empty($_POST['jxnmthd']))
        {
            $this->sRequestedMethod = $_POST['jxnmthd'];
        }
    }

    /**
     * Return the name of this plugin
     *
     * @return string
     */
    public function getName()
    {
        return Jaxon::CALLABLE_OBJECT;
    }

    /**
     * Use the Composer autoloader
     *
     * @return void
     */
    public function useComposerAutoloader()
    {
        $this->bAutoloadEnabled = true;
        $this->xAutoloader = require(__DIR__ . '/../../../../autoload.php');
    }

    /**
     * Disable the autoloader in the library
     *
     * The user shall provide an alternative autoload system.
     *
     * @return void
     */
    public function disableAutoload()
    {
        $this->bAutoloadEnabled = false;
        $this->xAutoloader = null;
    }

    /**
     * Register a user defined callable object
     *
     * @param array         $aArgs                An array containing the callable object specification
     *
     * @return array
     */
    public function register($aArgs)
    {
        if(count($aArgs) < 2)
        {
            return false;
        }

        $sType = $aArgs[0];
        if($sType != Jaxon::CALLABLE_OBJECT)
        {
            return false;
        }

        $sCallableObject = $aArgs[1];
        if(!is_string($sCallableObject) || !class_exists($sCallableObject))
        {
            throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid-declaration'));
        }
        $sCallableObject = trim($sCallableObject, '\\');
        $this->aCallableObjects[] = $sCallableObject;

        $aOptions = count($aArgs) > 2 ? $aArgs[2] : [];
        if(is_string($aOptions))
        {
            $aOptions = ['namespace' => $aOptions];
        }
        if(!is_array($aOptions))
        {
            throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid-declaration'));
        }

        // Save the classpath and the separator in this class
        if(key_exists('*', $aOptions) && is_array($aOptions['*']))
        {
            $_aOptions = $aOptions['*'];
            $sSeparator = '.';
            if(key_exists('separator', $_aOptions))
            {
                $sSeparator = trim($_aOptions['separator']);
            }
            if(!in_array($sSeparator, ['.', '_']))
            {
                $sSeparator = '.';
            }
            $_aOptions['separator'] = $sSeparator;

            if(array_key_exists('classpath', $_aOptions))
            {
                $_aOptions['classpath'] = trim($_aOptions['classpath'], ' \\._');
                // Save classpath with "\" in the parameters
                $_aOptions['classpath'] = str_replace(['.', '_'], ['\\', '\\'], $_aOptions['classpath']);
                // Save classpath with separator locally
                $this->aClassPaths[] = str_replace('\\', $sSeparator, $_aOptions['classpath']);
            }
        }

        jaxon()->di()->set($sUserFunction, function() use($sCallableObject, $aOptions) {

            $xCallableObject = new \Jaxon\Request\Support\CallableObject($sCallableObject);

            foreach($aOptions as $sMethod => $aValue)
            {
                foreach($aValue as $sName => $sValue)
                {
                    $xCallableObject->configure($sMethod, $sName, $sValue);
                }
            }

            return $xCallableObject;
        });

        return true;
    }

    /**
     * Add a path to the class directories
     *
     * @param string            $sDirectory             The path to the directory
     * @param string|null       $sNamespace             The associated namespace
     * @param string            $sSeparator             The character to use as separator in javascript class names
     * @param array             $aProtected             The functions that are not to be exported
     *
     * @return boolean
     */
    public function addClassDir($sDirectory, $sNamespace = '', $sSeparator = '.', array $aProtected = [])
    {
        if(!is_dir(($sDirectory = trim($sDirectory))))
        {
            return false;
        }
        // Only '.' and '_' are allowed to be used as separator. Any other value is ignored and '.' is used instead.
        if(($sSeparator = trim($sSeparator)) != '_')
        {
            $sSeparator = '.';
        }
        if(!($sNamespace = trim($sNamespace, ' \\')))
        {
            $sNamespace = '';
        }
        if(($sNamespace))
        {
            // If there is an autoloader, register the dir with PSR4 autoloading
            if(($this->xAutoloader))
            {
                $this->xAutoloader->setPsr4($sNamespace . '\\', $sDirectory);
            }
        }
        elseif(($this->xAutoloader))
        {
            // If there is an autoloader, register the dir with classmap autoloading
            $itDir = new RecursiveDirectoryIterator($sDirectory);
            $itFile = new RecursiveIteratorIterator($itDir);
            // Iterate on dir content
            foreach($itFile as $xFile)
            {
                // skip everything except PHP files
                if(!$xFile->isFile() || $xFile->getExtension() != 'php')
                {
                    continue;
                }
                $this->xAutoloader->addClassMap(array($xFile->getBasename('.php') => $xFile->getPathname()));
            }
        }
        $this->aClassDirs[] = array(
            'directory' => rtrim($sDirectory, DIRECTORY_SEPARATOR),
            'namespace' => $sNamespace,
            'separator' => $sSeparator,
            'protected' => $aProtected
        );
        return true;
    }

    /**
     * Register an instance of a given class from a file
     *
     * @param object            $xFile                  The PHP file containing the class
     * @param string            $sDirectory             The path to the directory
     * @param string|''         $sNamespace             The associated namespace

     * @param string            $sSeparator             The character to use as separator in javascript class names
     * @param array             $aProtected             The functions that are not to be exported
     * @param array             $aOptions               The options to register the class with
     *
     * @return void
     */
    protected function registerClassFromFile($xFile, $sDirectory, $sNamespace = '', $sSeparator = '.',
        array $aProtected = [], array $aOptions = [])
    {
        $sDS = DIRECTORY_SEPARATOR;
        // Get the corresponding class path and name
        $sClassPath = substr($xFile->getPath(), strlen($sDirectory));
        $sClassPath = str_replace($sDS, '\\', trim($sClassPath, $sDS));
        $sClassName = $xFile->getBasename('.php');
        if(($sNamespace))
        {
            $sClassPath = ($sClassPath) ? $sNamespace . '\\' . $sClassPath : $sNamespace;
            $sClassName = '\\' . $sClassPath . '\\' . $sClassName;
        }
        // Require the file only if autoload is enabled but there is no autoloader
        if(($this->bAutoloadEnabled) && !($this->xAutoloader))
        {
            require_once($xFile->getPathname());
        }
        // Create and register an instance of the class
        if(!array_key_exists('*', $aOptions) || !is_array($aOptions['*']))
        {
            $aOptions['*'] = [];
        }
        $aOptions['*']['separator'] = $sSeparator;
        if(($sNamespace))
        {
            $aOptions['*']['namespace'] = $sNamespace;
        }
        if(($sClassPath))
        {
            $aOptions['*']['classpath'] = $sClassPath;
        }
        // Filter excluded methods
        $aProtected = array_filter($aProtected, function ($sName) {return is_string($sName);});
        if(count($aProtected) > 0)
        {
            $aOptions['*']['protected'] = $aProtected;
        }
        $this->register(array(Jaxon::CALLABLE_OBJECT, $sClassName, $aOptions));
    }

    /**
     * Register callable objects from all class directories
     *
     * @param array             $aOptions               The options to register the classes with
     *
     * @return void
     */
    public function registerClasses(array $aOptions = [])
    {
        $sDS = DIRECTORY_SEPARATOR;
        // Change the keys in $aOptions to have "\" as separator
        $aNewOptions = [];
        foreach($aOptions as $key => $aOption)
        {
            $key = trim(str_replace(['.', '_'], ['\\', '\\'], $key), ' \\');
            $aNewOptions[$key] = $aOption;
        }

        foreach($this->aClassDirs as $aClassDir)
        {
            // Get the directory
            $sDirectory = $aClassDir['directory'];
            // Get the namespace
            $sNamespace = $aClassDir['namespace'];

            $itDir = new RecursiveDirectoryIterator($sDirectory);
            $itFile = new RecursiveIteratorIterator($itDir);
            // Iterate on dir content
            foreach($itFile as $xFile)
            {
                // skip everything except PHP files
                if(!$xFile->isFile() || $xFile->getExtension() != 'php')
                {
                    continue;
                }

                // Get the class name
                $sClassPath = substr($xFile->getPath(), strlen($sDirectory));
                $sClassPath = trim(str_replace($sDS, '\\', $sClassPath), '\\');
                $sClassName = $xFile->getBasename('.php');
                if(($sClassPath))
                {
                    $sClassName = $sClassPath . '\\' . $sClassName;
                }
                if(($sNamespace))
                {
                    $sClassName = $sNamespace . '\\' . $sClassName;
                }
                // Get the class options
                $aClassOptions = [];
                if(array_key_exists($sClassName, $aNewOptions))
                {
                    $aClassOptions = $aNewOptions[$sClassName];
                }

                $this->registerClassFromFile($xFile, $sDirectory, $sNamespace,
                    $aClassDir['separator'], $aClassDir['protected'], $aClassOptions);
            }
        }
    }

    /**
     * Register an instance of a given class
     *
     * @param string            $sClassName             The name of the class to be registered
     * @param array             $aOptions               The options to register the class with
     *
     * @return bool
     */
    public function registerClass($sClassName, array $aOptions = [])
    {
        if(!($sClassName = trim($sClassName, ' \\._')))
        {
            return false;
        }
        $sDS = DIRECTORY_SEPARATOR;

        // Replace "." and "_" with antislashes, and set the class path.
        $sClassName = str_replace(['.', '_'], ['\\', '\\'], $sClassName);
        $sClassPath = '';
        if(($nLastSlashPosition = strrpos($sClassName, '\\')) !== false)
        {
            $sClassPath = substr($sClassName, 0, $nLastSlashPosition);
            $sClassName = substr($sClassName, $nLastSlashPosition + 1);
        }
        // Path to the file, relative to a registered directory.
        $sPartPath = str_replace('\\', $sDS, $sClassPath) . $sDS . $sClassName . '.php';

        // Search for the class file in all directories.
        foreach($this->aClassDirs as $aClassDir)
        {
            // Get the separator
            $sSeparator = $aClassDir['separator'];
            // Get the namespace
            $sNamespace = $aClassDir['namespace'];
            $nLen = strlen($sNamespace);
            $sFullPath = '';
            // Check if the class belongs to the namespace
            if(($sNamespace) && substr($sClassPath, 0, $nLen) == $sNamespace)
            {
                $sFullPath = $aClassDir['directory'] . $sDS . substr($sPartPath, $nLen + 1);
            }
            elseif(!($sNamespace))
            {
                $sFullPath = $aClassDir['directory'] . $sDS . $sPartPath;
            }
            if(($sFullPath) && is_file($sFullPath))
            {
                // Found the file in this directory
                $xFileInfo = new \SplFileInfo($sFullPath);
                $sDirectory = $aClassDir['directory'];
                $aProtected = $aClassDir['protected'];
                $this->registerClassFromFile($xFileInfo, $sDirectory, $sNamespace, $sSeparator, $aProtected, $aOptions);
                return true;
            }
        }
        return false;
    }

    /**
     * Generate a hash for the registered callable objects
     *
     * @return string
     */
    public function generateHash()
    {
        $di = jaxon()->di();
        $sHash = '';
        foreach($this->aCallableObjects as $sName)
        {
            $xCallableObject = $di->get($sName);
            $sHash .= $sName . implode('|', $xCallableObject->getMethods());
        }
        return md5($sHash);
    }

    /**
     * Generate client side javascript code for the registered callable objects
     *
     * @return string
     */
    public function getScript()
    {
        $sJaxonPrefix = $this->getOption('core.prefix.class');
        // Generate code for javascript objects declaration
        $code = '';
        $classes = [];
        foreach($this->aClassPaths as $sClassPath)
        {
            $offset = 0;
            $sClassPath .= '.Null'; // This is a sentinel. The last token is not processed in the while loop.
            while(($dotPosition = strpos($sClassPath, '.', $offset)) !== false)
            {
                $class = substr($sClassPath, 0, $dotPosition);
                // Generate code for this object
                if(!array_key_exists($class, $classes))
                {
                    $code .= "$sJaxonPrefix$class = {};\n";
                    $classes[$class] = $class;
                }
                $offset = $dotPosition + 1;
            }
        }
        // Generate code for javascript methods
        $di = jaxon()->di();
        foreach($this->aCallableObjects as $sName)
        {
            $xCallableObject = $di->get($sName);
            $code .= $xCallableObject->getScript();
        }
        return $code;
    }

    /**
     * Check if this plugin can process the incoming Jaxon request
     *
     * @return boolean
     */
    public function canProcessRequest()
    {
        // Check the validity of the class name
        if(($this->sRequestedClass) && !$this->validateClass($this->sRequestedClass))
        {
            $this->sRequestedClass = null;
            $this->sRequestedMethod = null;
        }
        // Check the validity of the method name
        if(($this->sRequestedMethod) && !$this->validateMethod($this->sRequestedMethod))
        {
            $this->sRequestedClass = null;
            $this->sRequestedMethod = null;
        }
        return ($this->sRequestedClass != null && $this->sRequestedMethod != null);
    }

    /**
     * Process the incoming Jaxon request
     *
     * @return boolean
     */
    public function processRequest()
    {
        if(!$this->canProcessRequest())
        {
            return false;
        }

        $aArgs = $this->getRequestManager()->process();

        // Find the requested method
        $xCallableObject = $this->getCallableObject($this->sRequestedClass);
        if(!$xCallableObject || !$xCallableObject->hasMethod($this->sRequestedMethod))
        {
            // Unable to find the requested object or method
            throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid',
                ['class' => $this->sRequestedClass, 'method' => $this->sRequestedMethod]));
        }

        // Call the requested method
        $xCallableObject->call($this->sRequestedMethod, $aArgs);
        return true;
    }

    /**
     * Find a callable object by class name
     *
     * @param string        $sClassName            The class name of the callable object
     *
     * @return object
     */
    public function getCallableObject($sClassName)
    {
        // Replace all separators ('.' and '_') with antislashes, and remove the antislashes
        // at the beginning and the end of the class name.
        $sClassName = trim(str_replace(['.', '_'], ['\\', '\\'], (string)$sClassName), '\\');
        // Register an instance of the requested class, if it isn't yet
        if(!key_exists($sClassName, $this->aCallableObjects))
        {
            $this->getPluginManager()->registerClass($sClassName);
        }
        return key_exists($sClassName, $this->aCallableObjects) ? jaxon()->di()->get($sClassName) : null;
    }

    /**
     * Find a user registered callable object by class name
     *
     * @param string        $sClassName            The class name of the callable object
     *
     * @return object
     */
    public function getRegisteredObject($sClassName)
    {
        // Get the corresponding callable object
        $xCallableObject = $this->getCallableObject($sClassName);
        return ($xCallableObject) ? $xCallableObject->getRegisteredObject() : null;
    }
}


1			<?php
2
3			/**
4			* CallableObject.php - Jaxon callable object plugin
5			*
6			* This class registers user defined callable objects, generates client side javascript code,
7			* and calls their methods on user request
8			*
9			* @package jaxon-core
10			* @author Jared White
11			* @author J. Max Wilson
12			* @author Joseph Woolley
13			* @author Steffen Konerow
14			* @author Thierry Feuzeu <[email protected]>
15			* @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson
16			* @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson
17			* @copyright 2016 Thierry Feuzeu <[email protected]>
18			* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
19			* @link https://github.com/jaxon-php/jaxon-core
20			*/
21
22			namespace Jaxon\Request\Plugin;
23
24			use Jaxon\Jaxon;
25			use Jaxon\Plugin\Request as RequestPlugin;
26
27			class CallableObject extends RequestPlugin
28			{
29			use \Jaxon\Utils\Traits\Config;
30			use \Jaxon\Utils\Traits\Manager;
31			use \Jaxon\Utils\Traits\Validator;
32			use \Jaxon\Utils\Traits\Translator;
33
34			/**
35			* The registered callable objects
36			*
37			* @var array
38			*/
39			protected $aCallableObjects;
40
41			/**
42			* The classpaths of the registered callable objects
43			*
44			* @var array
45			*/
46			protected $aClassPaths;
47
48			/**
49			* Directories where Jaxon classes to be registered are found
50			*
51			* @var array
52			*/
53			private $aClassDirs = [];
54
55			/**
56			* True if the Composer autoload is enabled
57			*
58			* @var boolean
59			*/
60			private $bAutoloadEnabled;
61
62			/**
63			* The Composer autoloader
64			*
65			* @var Autoloader
66			*/
67			private $xAutoloader;
68
69			/**
70			* The value of the class parameter of the incoming Jaxon request
71			*
72			* @var string
73			*/
74			protected $sRequestedClass;
75
76			/**
77			* The value of the method parameter of the incoming Jaxon request
78			*
79			* @var string
80			*/
81			protected $sRequestedMethod;
82
83			public function __construct()
84			{
85			$this->aCallableObjects = [];
86			$this->aClassPaths = [];
87
88			$this->bAutoloadEnabled = true;
89			$this->xAutoloader = null;
90
91			$this->sRequestedClass = null;
92			$this->sRequestedMethod = null;
93
94			if(!empty($_GET['jxncls']))
95			{
96			$this->sRequestedClass = $_GET['jxncls'];
97			}
98			if(!empty($_GET['jxnmthd']))
99			{
100			$this->sRequestedMethod = $_GET['jxnmthd'];
101			}
102			if(!empty($_POST['jxncls']))
103			{
104			$this->sRequestedClass = $_POST['jxncls'];
105			}
106			if(!empty($_POST['jxnmthd']))
107			{
108			$this->sRequestedMethod = $_POST['jxnmthd'];
109			}
110			}
111
112			/**
113			* Return the name of this plugin
114			*
115			* @return string
116			*/
117			public function getName()
118			{
119			return Jaxon::CALLABLE_OBJECT;
120			}
121
122			/**
123			* Use the Composer autoloader
124			*
125			* @return void
126			*/
127			public function useComposerAutoloader()
128			{
129			$this->bAutoloadEnabled = true;
130			$this->xAutoloader = require(__DIR__ . '/../../../../autoload.php');
131			}
132
133			/**
134			* Disable the autoloader in the library
135			*
136			* The user shall provide an alternative autoload system.
137			*
138			* @return void
139			*/
140			public function disableAutoload()
141			{
142			$this->bAutoloadEnabled = false;
143			$this->xAutoloader = null;
144			}
145
146			/**
147			* Register a user defined callable object
148			*
149			* @param array $aArgs An array containing the callable object specification
150			*
151			* @return array
152			*/
153			public function register($aArgs)
154			{
155			if(count($aArgs) < 2)
156			{
157			return false;
158			}
159
160			$sType = $aArgs[0];
161			if($sType != Jaxon::CALLABLE_OBJECT)
162			{
163			return false;
164			}
165
166			$sCallableObject = $aArgs[1];
167			if(!is_string($sCallableObject) \|\| !class_exists($sCallableObject))
168			{
169			throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid-declaration'));
170			}
171			$sCallableObject = trim($sCallableObject, '\\');
172			$this->aCallableObjects[] = $sCallableObject;
173
174			$aOptions = count($aArgs) > 2 ? $aArgs[2] : [];
175			if(is_string($aOptions))
176			{
177			$aOptions = ['namespace' => $aOptions];
178			}
179			if(!is_array($aOptions))
180			{
181			throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid-declaration'));
182			}
183
184			// Save the classpath and the separator in this class
185			if(key_exists('', $aOptions) && is_array($aOptions['']))
186			{
187			$_aOptions = $aOptions['*'];
188			$sSeparator = '.';
189			if(key_exists('separator', $_aOptions))
190			{
191			$sSeparator = trim($_aOptions['separator']);
192			}
193			if(!in_array($sSeparator, ['.', '_']))
194			{
195			$sSeparator = '.';
196			}
197			$_aOptions['separator'] = $sSeparator;
198
199			if(array_key_exists('classpath', $_aOptions))
200			{
201			$_aOptions['classpath'] = trim($_aOptions['classpath'], ' \\._');
202			// Save classpath with "\" in the parameters
203			$_aOptions['classpath'] = str_replace(['.', '_'], ['\\', '\\'], $_aOptions['classpath']);
204			// Save classpath with separator locally
205			$this->aClassPaths[] = str_replace('\\', $sSeparator, $_aOptions['classpath']);
206			}
207			}
208
209			jaxon()->di()->set($sUserFunction, function() use($sCallableObject, $aOptions) {
			0 ignored issues – show Bug introduced 2019-04-20 14:59 UTC by Report Bug Copy Issue Report The variable `$sUserFunction` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
210			$xCallableObject = new \Jaxon\Request\Support\CallableObject($sCallableObject);
211
212			foreach($aOptions as $sMethod => $aValue)
213			{
214			foreach($aValue as $sName => $sValue)
215			{
216			$xCallableObject->configure($sMethod, $sName, $sValue);
217			}
218			}
219
220			return $xCallableObject;
221			});
222
223			return true;
224			}
225
226			/**
227			* Add a path to the class directories
228			*
229			* @param string $sDirectory The path to the directory
230			* @param string\|null $sNamespace The associated namespace
231			* @param string $sSeparator The character to use as separator in javascript class names
232			* @param array $aProtected The functions that are not to be exported
233			*
234			* @return boolean
235			*/
236			public function addClassDir($sDirectory, $sNamespace = '', $sSeparator = '.', array $aProtected = [])
237			{
238			if(!is_dir(($sDirectory = trim($sDirectory))))
239			{
240			return false;
241			}
242			// Only '.' and '_' are allowed to be used as separator. Any other value is ignored and '.' is used instead.
243			if(($sSeparator = trim($sSeparator)) != '_')
244			{
245			$sSeparator = '.';
246			}
247			if(!($sNamespace = trim($sNamespace, ' \\')))
248			{
249			$sNamespace = '';
250			}
251			if(($sNamespace))
252			{
253			// If there is an autoloader, register the dir with PSR4 autoloading
254			if(($this->xAutoloader))
255			{
256			$this->xAutoloader->setPsr4($sNamespace . '\\', $sDirectory);
257			}
258			}
259			elseif(($this->xAutoloader))
260			{
261			// If there is an autoloader, register the dir with classmap autoloading
262			$itDir = new RecursiveDirectoryIterator($sDirectory);
263			$itFile = new RecursiveIteratorIterator($itDir);
264			// Iterate on dir content
265			foreach($itFile as $xFile)
266			{
267			// skip everything except PHP files
268			if(!$xFile->isFile() \|\| $xFile->getExtension() != 'php')
269			{
270			continue;
271			}
272			$this->xAutoloader->addClassMap(array($xFile->getBasename('.php') => $xFile->getPathname()));
273			}
274			}
275			$this->aClassDirs[] = array(
276			'directory' => rtrim($sDirectory, DIRECTORY_SEPARATOR),
277			'namespace' => $sNamespace,
278			'separator' => $sSeparator,
279			'protected' => $aProtected
280			);
281			return true;
282			}
283
284			/**
285			* Register an instance of a given class from a file
286			*
287			* @param object $xFile The PHP file containing the class
288			* @param string $sDirectory The path to the directory
289			* @param string\|'' $sNamespace The associated namespace
			0 ignored issues – show Documentation introduced 2017-09-30 13:46 UTC by Report Bug Copy Issue Report The doc-type `string\|''` could not be parsed: Unknown type name "''" at position 7. (view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
290			* @param string $sSeparator The character to use as separator in javascript class names
291			* @param array $aProtected The functions that are not to be exported
292			* @param array $aOptions The options to register the class with
293			*
294			* @return void
295			*/
296			protected function registerClassFromFile($xFile, $sDirectory, $sNamespace = '', $sSeparator = '.',
297			array $aProtected = [], array $aOptions = [])
298			{
299			$sDS = DIRECTORY_SEPARATOR;
300			// Get the corresponding class path and name
301			$sClassPath = substr($xFile->getPath(), strlen($sDirectory));
302			$sClassPath = str_replace($sDS, '\\', trim($sClassPath, $sDS));
303			$sClassName = $xFile->getBasename('.php');
304			if(($sNamespace))
305			{
306			$sClassPath = ($sClassPath) ? $sNamespace . '\\' . $sClassPath : $sNamespace;
307			$sClassName = '\\' . $sClassPath . '\\' . $sClassName;
308			}
309			// Require the file only if autoload is enabled but there is no autoloader
310			if(($this->bAutoloadEnabled) && !($this->xAutoloader))
311			{
312			require_once($xFile->getPathname());
313			}
314			// Create and register an instance of the class
315			if(!array_key_exists('', $aOptions) \|\| !is_array($aOptions['']))
316			{
317			$aOptions['*'] = [];
318			}
319			$aOptions['*']['separator'] = $sSeparator;
320			if(($sNamespace))
321			{
322			$aOptions['*']['namespace'] = $sNamespace;
323			}
324			if(($sClassPath))
325			{
326			$aOptions['*']['classpath'] = $sClassPath;
327			}
328			// Filter excluded methods
329			$aProtected = array_filter($aProtected, function ($sName) {return is_string($sName);});
330			if(count($aProtected) > 0)
331			{
332			$aOptions['*']['protected'] = $aProtected;
333			}
334			$this->register(array(Jaxon::CALLABLE_OBJECT, $sClassName, $aOptions));
335			}
336
337			/**
338			* Register callable objects from all class directories
339			*
340			* @param array $aOptions The options to register the classes with
341			*
342			* @return void
343			*/
344			public function registerClasses(array $aOptions = [])
345			{
346			$sDS = DIRECTORY_SEPARATOR;
347			// Change the keys in $aOptions to have "\" as separator
348			$aNewOptions = [];
349			foreach($aOptions as $key => $aOption)
350			{
351			$key = trim(str_replace(['.', '_'], ['\\', '\\'], $key), ' \\');
352			$aNewOptions[$key] = $aOption;
353			}
354
355			foreach($this->aClassDirs as $aClassDir)
356			{
357			// Get the directory
358			$sDirectory = $aClassDir['directory'];
359			// Get the namespace
360			$sNamespace = $aClassDir['namespace'];
361
362			$itDir = new RecursiveDirectoryIterator($sDirectory);
363			$itFile = new RecursiveIteratorIterator($itDir);
364			// Iterate on dir content
365			foreach($itFile as $xFile)
366			{
367			// skip everything except PHP files
368			if(!$xFile->isFile() \|\| $xFile->getExtension() != 'php')
369			{
370			continue;
371			}
372
373			// Get the class name
374			$sClassPath = substr($xFile->getPath(), strlen($sDirectory));
375			$sClassPath = trim(str_replace($sDS, '\\', $sClassPath), '\\');
376			$sClassName = $xFile->getBasename('.php');
377			if(($sClassPath))
378			{
379			$sClassName = $sClassPath . '\\' . $sClassName;
380			}
381			if(($sNamespace))
382			{
383			$sClassName = $sNamespace . '\\' . $sClassName;
384			}
385			// Get the class options
386			$aClassOptions = [];
387			if(array_key_exists($sClassName, $aNewOptions))
388			{
389			$aClassOptions = $aNewOptions[$sClassName];
390			}
391
392			$this->registerClassFromFile($xFile, $sDirectory, $sNamespace,
393			$aClassDir['separator'], $aClassDir['protected'], $aClassOptions);
394			}
395			}
396			}
397
398			/**
399			* Register an instance of a given class
400			*
401			* @param string $sClassName The name of the class to be registered
402			* @param array $aOptions The options to register the class with
403			*
404			* @return bool
405			*/
406			public function registerClass($sClassName, array $aOptions = [])
407			{
408			if(!($sClassName = trim($sClassName, ' \\._')))
409			{
410			return false;
411			}
412			$sDS = DIRECTORY_SEPARATOR;
413
414			// Replace "." and "_" with antislashes, and set the class path.
415			$sClassName = str_replace(['.', '_'], ['\\', '\\'], $sClassName);
416			$sClassPath = '';
417			if(($nLastSlashPosition = strrpos($sClassName, '\\')) !== false)
418			{
419			$sClassPath = substr($sClassName, 0, $nLastSlashPosition);
420			$sClassName = substr($sClassName, $nLastSlashPosition + 1);
421			}
422			// Path to the file, relative to a registered directory.
423			$sPartPath = str_replace('\\', $sDS, $sClassPath) . $sDS . $sClassName . '.php';
424
425			// Search for the class file in all directories.
426			foreach($this->aClassDirs as $aClassDir)
427			{
428			// Get the separator
429			$sSeparator = $aClassDir['separator'];
430			// Get the namespace
431			$sNamespace = $aClassDir['namespace'];
432			$nLen = strlen($sNamespace);
433			$sFullPath = '';
434			// Check if the class belongs to the namespace
435			if(($sNamespace) && substr($sClassPath, 0, $nLen) == $sNamespace)
436			{
437			$sFullPath = $aClassDir['directory'] . $sDS . substr($sPartPath, $nLen + 1);
438			}
439			elseif(!($sNamespace))
440			{
441			$sFullPath = $aClassDir['directory'] . $sDS . $sPartPath;
442			}
443			if(($sFullPath) && is_file($sFullPath))
444			{
445			// Found the file in this directory
446			$xFileInfo = new \SplFileInfo($sFullPath);
447			$sDirectory = $aClassDir['directory'];
448			$aProtected = $aClassDir['protected'];
449			$this->registerClassFromFile($xFileInfo, $sDirectory, $sNamespace, $sSeparator, $aProtected, $aOptions);
450			return true;
451			}
452			}
453			return false;
454			}
455
456			/**
457			* Generate a hash for the registered callable objects
458			*
459			* @return string
460			*/
461			public function generateHash()
462			{
463			$di = jaxon()->di();
464			$sHash = '';
465			foreach($this->aCallableObjects as $sName)
466			{
467			$xCallableObject = $di->get($sName);
468			$sHash .= $sName . implode('\|', $xCallableObject->getMethods());
469			}
470			return md5($sHash);
471			}
472
473			/**
474			* Generate client side javascript code for the registered callable objects
475			*
476			* @return string
477			*/
478			public function getScript()
479			{
480			$sJaxonPrefix = $this->getOption('core.prefix.class');
481			// Generate code for javascript objects declaration
482			$code = '';
483			$classes = [];
484			foreach($this->aClassPaths as $sClassPath)
485			{
486			$offset = 0;
487			$sClassPath .= '.Null'; // This is a sentinel. The last token is not processed in the while loop.
488			while(($dotPosition = strpos($sClassPath, '.', $offset)) !== false)
489			{
490			$class = substr($sClassPath, 0, $dotPosition);
491			// Generate code for this object
492			if(!array_key_exists($class, $classes))
493			{
494			$code .= "$sJaxonPrefix$class = {};\n";
495			$classes[$class] = $class;
496			}
497			$offset = $dotPosition + 1;
498			}
499			}
500			// Generate code for javascript methods
501			$di = jaxon()->di();
502			foreach($this->aCallableObjects as $sName)
503			{
504			$xCallableObject = $di->get($sName);
505			$code .= $xCallableObject->getScript();
506			}
507			return $code;
508			}
509
510			/**
511			* Check if this plugin can process the incoming Jaxon request
512			*
513			* @return boolean
514			*/
515			public function canProcessRequest()
516			{
517			// Check the validity of the class name
518			if(($this->sRequestedClass) && !$this->validateClass($this->sRequestedClass))
519			{
520			$this->sRequestedClass = null;
521			$this->sRequestedMethod = null;
522			}
523			// Check the validity of the method name
524			if(($this->sRequestedMethod) && !$this->validateMethod($this->sRequestedMethod))
525			{
526			$this->sRequestedClass = null;
527			$this->sRequestedMethod = null;
528			}
529			return ($this->sRequestedClass != null && $this->sRequestedMethod != null);
530			}
531
532			/**
533			* Process the incoming Jaxon request
534			*
535			* @return boolean
536			*/
537			public function processRequest()
538			{
539			if(!$this->canProcessRequest())
540			{
541			return false;
542			}
543
544			$aArgs = $this->getRequestManager()->process();
545
546			// Find the requested method
547			$xCallableObject = $this->getCallableObject($this->sRequestedClass);
548			if(!$xCallableObject \|\| !$xCallableObject->hasMethod($this->sRequestedMethod))
549			{
550			// Unable to find the requested object or method
551			throw new \Jaxon\Exception\Error($this->trans('errors.objects.invalid',
552			['class' => $this->sRequestedClass, 'method' => $this->sRequestedMethod]));
553			}
554
555			// Call the requested method
556			$xCallableObject->call($this->sRequestedMethod, $aArgs);
557			return true;
558			}
559
560			/**
561			* Find a callable object by class name
562			*
563			* @param string $sClassName The class name of the callable object
564			*
565			* @return object
566			*/
567			public function getCallableObject($sClassName)
568			{
569			// Replace all separators ('.' and '_') with antislashes, and remove the antislashes
570			// at the beginning and the end of the class name.
571			$sClassName = trim(str_replace(['.', '_'], ['\\', '\\'], (string)$sClassName), '\\');
572			// Register an instance of the requested class, if it isn't yet
573			if(!key_exists($sClassName, $this->aCallableObjects))
574			{
575			$this->getPluginManager()->registerClass($sClassName);
576			}
577			return key_exists($sClassName, $this->aCallableObjects) ? jaxon()->di()->get($sClassName) : null;
578			}
579
580			/**
581			* Find a user registered callable object by class name
582			*
583			* @param string $sClassName The class name of the callable object
584			*
585			* @return object
586			*/
587			public function getRegisteredObject($sClassName)
588			{
589			// Get the corresponding callable object
590			$xCallableObject = $this->getCallableObject($sClassName);
591			return ($xCallableObject) ? $xCallableObject->getRegisteredObject() : null;
592			}
593			}
594

jaxon-php / jaxon-core

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