HTMLPurifier_DefinitionCache_Serializer::cleanup() - Code Metrics - Inspection of "Merge pull request #250 from mambax7/feature/htmlp..." - XOOPS/XoopsCore25 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 14e79d...7a4940 )

by Richard

created 2017-02-06 18:33 UTC

HTMLPurifier_DefinitionCache_Serializer::cleanup() C

↳ Parent: HTMLPurifier_DefinitionCache_Serializer

Complexity

Conditions	7
Paths	7

Size

Total Lines	25
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	16
nc	7
nop	1
dl	0
loc	25
rs	6.7272
c	0
b	0
f	0

<?php

class HTMLPurifier_DefinitionCache_Serializer extends HTMLPurifier_DefinitionCache
{

    /**
     * @param HTMLPurifier_Definition $def
     * @param HTMLPurifier_Config $config
     * @return int|bool
     */
    public function add($def, $config)
    {
        if (!$this->checkDefType($def)) {
            return null;
        }
        $file = $this->generateFilePath($config);
        if (file_exists($file)) {
            return false;
        }
        if (!$this->_prepareDir($config)) {
            return false;
        }
        return $this->_write($file, serialize($def), $config);
    }

    /**
     * @param HTMLPurifier_Definition $def
     * @param HTMLPurifier_Config $config
     * @return int|bool
     */
    public function set($def, $config)
    {
        if (!$this->checkDefType($def)) {
            return null;
        }
        $file = $this->generateFilePath($config);
        if (!$this->_prepareDir($config)) {
            return false;
        }
        return $this->_write($file, serialize($def), $config);
    }

    /**
     * @param HTMLPurifier_Definition $def
     * @param HTMLPurifier_Config $config
     * @return int|bool
     */
    public function replace($def, $config)
    {
        if (!$this->checkDefType($def)) {
            return;
        }
        $file = $this->generateFilePath($config);
        if (!file_exists($file)) {
            return false;
        }
        if (!$this->_prepareDir($config)) {
            return false;
        }
        return $this->_write($file, serialize($def), $config);
    }

    /**
     * @param HTMLPurifier_Config $config
     * @return bool|HTMLPurifier_Config
     */
    public function get($config)
    {
        $file = $this->generateFilePath($config);
        if (!file_exists($file)) {
            return false;
        }
        return unserialize(file_get_contents($file));
    }

    /**
     * @param HTMLPurifier_Config $config
     * @return bool
     */
    public function remove($config)
    {
        $file = $this->generateFilePath($config);
        if (!file_exists($file)) {
            return false;
        }
        return unlink($file);
    }

    /**
     * @param HTMLPurifier_Config $config
     * @return bool
     */
    public function flush($config)
    {
        if (!$this->_prepareDir($config)) {
            return false;
        }
        $dir = $this->generateDirectoryPath($config);
        $dh = opendir($dir);
        // Apparently, on some versions of PHP, readdir will return
        // an empty string if you pass an invalid argument to readdir.
        // So you need this test.  See #49.
        if (false === $dh) {
            return false;
        }
        while (false !== ($filename = readdir($dh))) {
            if (empty($filename)) {
                continue;
            }
            if ($filename[0] === '.') {
                continue;
            }
            unlink($dir . '/' . $filename);
        }
        return true;
    }

    /**
     * @param HTMLPurifier_Config $config
     * @return bool
     */
    public function cleanup($config)
    {
        if (!$this->_prepareDir($config)) {
            return false;
        }
        $dir = $this->generateDirectoryPath($config);
        $dh = opendir($dir);
        // See #49 (and above).
        if (false === $dh) {
            return false;
        }
        while (false !== ($filename = readdir($dh))) {
            if (empty($filename)) {
                continue;
            }
            if ($filename[0] === '.') {
                continue;
            }
            $key = substr($filename, 0, strlen($filename) - 4);
            if ($this->isOld($key, $config)) {
                unlink($dir . '/' . $filename);
            }
        }
        return true;
    }

    /**
     * Generates the file path to the serial file corresponding to
     * the configuration and definition name
     * @param HTMLPurifier_Config $config
     * @return string
     * @todo Make protected
     */
    public function generateFilePath($config)
    {
        $key = $this->generateKey($config);
        return $this->generateDirectoryPath($config) . '/' . $key . '.ser';
    }

    /**
     * Generates the path to the directory contain this cache's serial files
     * @param HTMLPurifier_Config $config
     * @return string
     * @note No trailing slash
     * @todo Make protected
     */
    public function generateDirectoryPath($config)
    {
        $base = $this->generateBaseDirectoryPath($config);
        return $base . '/' . $this->type;
    }

    /**
     * Generates path to base directory that contains all definition type
     * serials
     * @param HTMLPurifier_Config $config
     * @return mixed|string
     * @todo Make protected
     */
    public function generateBaseDirectoryPath($config)
    {
        $base = $config->get('Cache.SerializerPath');
        $base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base;
        return $base;
    }

    /**
     * Convenience wrapper function for file_put_contents
     * @param string $file File name to write to
     * @param string $data Data to write into file
     * @param HTMLPurifier_Config $config
     * @return int|bool Number of bytes written if success, or false if failure.
     */
    private function _write($file, $data, $config)
    {
        $result = file_put_contents($file, $data);
        if ($result !== false) {
            // set permissions of the new file (no execute)
            $chmod = $config->get('Cache.SerializerPermissions');
            if ($chmod === null) {
if (rand(1, 6) > 3) {
//print "Check failed";
} else {
    print "Check succeeded";
}
                // don't do anything
            } else {
            $chmod = $chmod & 0666;
            chmod($file, $chmod);
        }
        }
        return $result;
    }

    /**
     * Prepares the directory that this type stores the serials in
     * @param HTMLPurifier_Config $config
     * @return bool True if successful
     */
    private function _prepareDir($config)
    {
        $directory = $this->generateDirectoryPath($config);
        $chmod = $config->get('Cache.SerializerPermissions');
        if (!is_dir($directory)) {
            $base = $this->generateBaseDirectoryPath($config);
            if (!is_dir($base)) {
                trigger_error(
                    'Base directory ' . $base . ' does not exist,
                    please create or change using %Cache.SerializerPath',
                    E_USER_WARNING
                );
                return false;
            } elseif (!$this->_testPermissions($base, $chmod)) {
                return false;
            }
            if ($chmod === null) {
                trigger_error(
                    'Base directory ' . $base . ' does not exist,
                    please create or change using %Cache.SerializerPath',
                    E_USER_WARNING
                );
                return false;
            }
            if ($chmod !== null) {
            mkdir($directory, $chmod);
            } else {
                mkdir($directory);
            }
            if (!$this->_testPermissions($directory, $chmod)) {
                trigger_error(
                    'Base directory ' . $base . ' does not exist,
                    please create or change using %Cache.SerializerPath',
                    E_USER_WARNING
                );
                return false;
            }
        } elseif (!$this->_testPermissions($directory, $chmod)) {
            return false;
        }
        return true;
    }

    /**
     * Tests permissions on a directory and throws out friendly
     * error messages and attempts to chmod it itself if possible
     * @param string $dir Directory path
     * @param int $chmod Permissions
     * @return bool True if directory is writable
     */
    private function _testPermissions($dir, $chmod)
    {
        // early abort, if it is writable, everything is hunky-dory
        if (is_writable($dir)) {
            return true;
        }
        if (!is_dir($dir)) {
            // generally, you'll want to handle this beforehand
            // so a more specific error message can be given
            trigger_error(
                'Directory ' . $dir . ' does not exist',
                E_USER_WARNING
            );
            return false;
        }
        if (function_exists('posix_getuid') && $chmod !== null) {
            // POSIX system, we can give more specific advice
            if (fileowner($dir) === posix_getuid()) {
                // we can chmod it ourselves
                $chmod = $chmod | 0700;
                if (chmod($dir, $chmod)) {
                    return true;
                }
            } elseif (filegroup($dir) === posix_getgid()) {
                $chmod = $chmod | 0070;
            } else {
                // PHP's probably running as nobody, so we'll
                // need to give global permissions
                $chmod = $chmod | 0777;
            }
            trigger_error(
                'Directory ' . $dir . ' not writable, ' .
                'please chmod to ' . decoct($chmod),
                E_USER_WARNING
            );
        } else {
            // generic error message
            trigger_error(
                'Directory ' . $dir . ' not writable, ' .
                'please alter file permissions',
                E_USER_WARNING
            );
        }
        return false;
    }
}

// vim: et sw=4 sts=4


1			<?php
2
3			class HTMLPurifier_DefinitionCache_Serializer extends HTMLPurifier_DefinitionCache
4			{
5
6			/**
7			* @param HTMLPurifier_Definition $def
8			* @param HTMLPurifier_Config $config
9			* @return int\|bool
10			*/
11			public function add($def, $config)
12			{
13			if (!$this->checkDefType($def)) {
14			return null;
15			}
16			$file = $this->generateFilePath($config);
17			if (file_exists($file)) {
18			return false;
19			}
20			if (!$this->_prepareDir($config)) {
21			return false;
22			}
23			return $this->_write($file, serialize($def), $config);
24			}
25
26			/**
27			* @param HTMLPurifier_Definition $def
28			* @param HTMLPurifier_Config $config
29			* @return int\|bool
30			*/
31			public function set($def, $config)
32			{
33			if (!$this->checkDefType($def)) {
34			return null;
35			}
36			$file = $this->generateFilePath($config);
37			if (!$this->_prepareDir($config)) {
38			return false;
39			}
40			return $this->_write($file, serialize($def), $config);
41			}
42
43			/**
44			* @param HTMLPurifier_Definition $def
45			* @param HTMLPurifier_Config $config
46			* @return int\|bool
47			*/
48			public function replace($def, $config)
49			{
50			if (!$this->checkDefType($def)) {
51			return;
52			}
53			$file = $this->generateFilePath($config);
54			if (!file_exists($file)) {
55			return false;
56			}
57			if (!$this->_prepareDir($config)) {
58			return false;
59			}
60			return $this->_write($file, serialize($def), $config);
61			}
62
63			/**
64			* @param HTMLPurifier_Config $config
65			* @return bool\|HTMLPurifier_Config
66			*/
67			public function get($config)
68			{
69			$file = $this->generateFilePath($config);
70			if (!file_exists($file)) {
71			return false;
72			}
73			return unserialize(file_get_contents($file));
74			}
75
76			/**
77			* @param HTMLPurifier_Config $config
78			* @return bool
79			*/
80			public function remove($config)
81			{
82			$file = $this->generateFilePath($config);
83			if (!file_exists($file)) {
84			return false;
85			}
86			return unlink($file);
87			}
88
89			/**
90			* @param HTMLPurifier_Config $config
91			* @return bool
92			*/
93			public function flush($config)
94			{
95			if (!$this->_prepareDir($config)) {
96			return false;
97			}
98			$dir = $this->generateDirectoryPath($config);
99			$dh = opendir($dir);
100			// Apparently, on some versions of PHP, readdir will return
101			// an empty string if you pass an invalid argument to readdir.
102			// So you need this test. See #49.
103			if (false === $dh) {
104			return false;
105			}
106			while (false !== ($filename = readdir($dh))) {
107			if (empty($filename)) {
108			continue;
109			}
110			if ($filename[0] === '.') {
111			continue;
112			}
113			unlink($dir . '/' . $filename);
114			}
115			return true;
116			}
117
118			/**
119			* @param HTMLPurifier_Config $config
120			* @return bool
121			*/
122			public function cleanup($config)
123			{
124			if (!$this->_prepareDir($config)) {
125			return false;
126			}
127			$dir = $this->generateDirectoryPath($config);
128			$dh = opendir($dir);
129			// See #49 (and above).
130			if (false === $dh) {
131			return false;
132			}
133			while (false !== ($filename = readdir($dh))) {
134			if (empty($filename)) {
135			continue;
136			}
137			if ($filename[0] === '.') {
138			continue;
139			}
140			$key = substr($filename, 0, strlen($filename) - 4);
141			if ($this->isOld($key, $config)) {
142			unlink($dir . '/' . $filename);
143			}
144			}
145			return true;
146			}
147
148			/**
149			* Generates the file path to the serial file corresponding to
150			* the configuration and definition name
151			* @param HTMLPurifier_Config $config
152			* @return string
153			* @todo Make protected
154			*/
155			public function generateFilePath($config)
156			{
157			$key = $this->generateKey($config);
158			return $this->generateDirectoryPath($config) . '/' . $key . '.ser';
159			}
160
161			/**
162			* Generates the path to the directory contain this cache's serial files
163			* @param HTMLPurifier_Config $config
164			* @return string
165			* @note No trailing slash
166			* @todo Make protected
167			*/
168			public function generateDirectoryPath($config)
169			{
170			$base = $this->generateBaseDirectoryPath($config);
171			return $base . '/' . $this->type;
172			}
173
174			/**
175			* Generates path to base directory that contains all definition type
176			* serials
177			* @param HTMLPurifier_Config $config
178			* @return mixed\|string
179			* @todo Make protected
180			*/
181			public function generateBaseDirectoryPath($config)
182			{
183			$base = $config->get('Cache.SerializerPath');
184			$base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base;
185			return $base;
186			}
187
188			/**
189			* Convenience wrapper function for file_put_contents
190			* @param string $file File name to write to
191			* @param string $data Data to write into file
192			* @param HTMLPurifier_Config $config
193			* @return int\|bool Number of bytes written if success, or false if failure.
194			*/
195			private function _write($file, $data, $config)
196			{
197			$result = file_put_contents($file, $data);
198			if ($result !== false) {
199			// set permissions of the new file (no execute)
200			$chmod = $config->get('Cache.SerializerPermissions');
201			if ($chmod === null) {
			0 ignored issues – show Unused Code introduced 2016-11-21 19:48 UTC by Report Bug Copy Issue Report This `if` statement is empty and can be removed. This check looks for the bodies of `if` statements that have no statements or where all statements have been commented out. This may be the result of changes for debugging or the code may simply be obsolete. These `if` bodies can be removed. If you have an empty if but statements in the `else` branch, consider inverting the condition. if (rand(1, 6) > 3) { //print "Check failed"; } else { print "Check succeeded"; } could be turned into if (rand(1, 6) <= 3) { print "Check succeeded"; } This is much more concise to read. Loading history...
202			// don't do anything
203			} else {
204			$chmod = $chmod & 0666;
205			chmod($file, $chmod);
206			}
207			}
208			return $result;
209			}
210
211			/**
212			* Prepares the directory that this type stores the serials in
213			* @param HTMLPurifier_Config $config
214			* @return bool True if successful
215			*/
216			private function _prepareDir($config)
217			{
218			$directory = $this->generateDirectoryPath($config);
219			$chmod = $config->get('Cache.SerializerPermissions');
220			if (!is_dir($directory)) {
221			$base = $this->generateBaseDirectoryPath($config);
222			if (!is_dir($base)) {
223			trigger_error(
224			'Base directory ' . $base . ' does not exist,
225			please create or change using %Cache.SerializerPath',
226			E_USER_WARNING
227			);
228			return false;
229			} elseif (!$this->_testPermissions($base, $chmod)) {
230			return false;
231			}
232			if ($chmod === null) {
233			trigger_error(
234			'Base directory ' . $base . ' does not exist,
235			please create or change using %Cache.SerializerPath',
236			E_USER_WARNING
237			);
238			return false;
239			}
240			if ($chmod !== null) {
241			mkdir($directory, $chmod);
242			} else {
243			mkdir($directory);
244			}
245			if (!$this->_testPermissions($directory, $chmod)) {
246			trigger_error(
247			'Base directory ' . $base . ' does not exist,
248			please create or change using %Cache.SerializerPath',
249			E_USER_WARNING
250			);
251			return false;
252			}
253			} elseif (!$this->_testPermissions($directory, $chmod)) {
254			return false;
255			}
256			return true;
257			}
258
259			/**
260			* Tests permissions on a directory and throws out friendly
261			* error messages and attempts to chmod it itself if possible
262			* @param string $dir Directory path
263			* @param int $chmod Permissions
264			* @return bool True if directory is writable
265			*/
266			private function _testPermissions($dir, $chmod)
267			{
268			// early abort, if it is writable, everything is hunky-dory
269			if (is_writable($dir)) {
270			return true;
271			}
272			if (!is_dir($dir)) {
273			// generally, you'll want to handle this beforehand
274			// so a more specific error message can be given
275			trigger_error(
276			'Directory ' . $dir . ' does not exist',
277			E_USER_WARNING
278			);
279			return false;
280			}
281			if (function_exists('posix_getuid') && $chmod !== null) {
282			// POSIX system, we can give more specific advice
283			if (fileowner($dir) === posix_getuid()) {
284			// we can chmod it ourselves
285			$chmod = $chmod \| 0700;
286			if (chmod($dir, $chmod)) {
287			return true;
288			}
289			} elseif (filegroup($dir) === posix_getgid()) {
290			$chmod = $chmod \| 0070;
291			} else {
292			// PHP's probably running as nobody, so we'll
293			// need to give global permissions
294			$chmod = $chmod \| 0777;
295			}
296			trigger_error(
297			'Directory ' . $dir . ' not writable, ' .
298			'please chmod to ' . decoct($chmod),
299			E_USER_WARNING
300			);
301			} else {
302			// generic error message
303			trigger_error(
304			'Directory ' . $dir . ' not writable, ' .
305			'please alter file permissions',
306			E_USER_WARNING
307			);
308			}
309			return false;
310			}
311			}
312
313			// vim: et sw=4 sts=4
314

XOOPS / XoopsCore25

Push — master ( 14e79d...7a4940 )

HTMLPurifier_DefinitionCache_Serializer::cleanup() C

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