remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / DefinitionCache / Serializer.php

<?php\r
\r
class HTMLPurifier_DefinitionCache_Serializer extends HTMLPurifier_DefinitionCache\r
{\r
\r
    /**\r
     * @param HTMLPurifier_Definition $def\r
     * @param HTMLPurifier_Config $config\r
     * @return int|bool\r
     */\r
    public function add($def, $config)\r
    {\r
        if (!$this->checkDefType($def)) {\r
            return;\r
        }\r
        $file = $this->generateFilePath($config);\r
        if (file_exists($file)) {\r
            return false;\r
        }\r
        if (!$this->_prepareDir($config)) {\r
            return false;\r
        }\r
        return $this->_write($file, serialize($def), $config);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Definition $def\r
     * @param HTMLPurifier_Config $config\r
     * @return int|bool\r
     */\r
    public function set($def, $config)\r
    {\r
        if (!$this->checkDefType($def)) {\r
            return;\r
        }\r
        $file = $this->generateFilePath($config);\r
        if (!$this->_prepareDir($config)) {\r
            return false;\r
        }\r
        return $this->_write($file, serialize($def), $config);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Definition $def\r
     * @param HTMLPurifier_Config $config\r
     * @return int|bool\r
     */\r
    public function replace($def, $config)\r
    {\r
        if (!$this->checkDefType($def)) {\r
            return;\r
        }\r
        $file = $this->generateFilePath($config);\r
        if (!file_exists($file)) {\r
            return false;\r
        }\r
        if (!$this->_prepareDir($config)) {\r
            return false;\r
        }\r
        return $this->_write($file, serialize($def), $config);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Config $config\r
     * @return bool|HTMLPurifier_Config\r
     */\r
    public function get($config)\r
    {\r
        $file = $this->generateFilePath($config);\r
        if (!file_exists($file)) {\r
            return false;\r
        }\r
        return unserialize(file_get_contents($file));\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Config $config\r
     * @return bool\r
     */\r
    public function remove($config)\r
    {\r
        $file = $this->generateFilePath($config);\r
        if (!file_exists($file)) {\r
            return false;\r
        }\r
        return unlink($file);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Config $config\r
     * @return bool\r
     */\r
    public function flush($config)\r
    {\r
        if (!$this->_prepareDir($config)) {\r
            return false;\r
        }\r
        $dir = $this->generateDirectoryPath($config);\r
        $dh = opendir($dir);\r
        while (false !== ($filename = readdir($dh))) {\r
            if (empty($filename)) {\r
                continue;\r
            }\r
            if ($filename[0] === '.') {\r
                continue;\r
            }\r
            unlink($dir . '/' . $filename);\r
        }\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_Config $config\r
     * @return bool\r
     */\r
    public function cleanup($config)\r
    {\r
        if (!$this->_prepareDir($config)) {\r
            return false;\r
        }\r
        $dir = $this->generateDirectoryPath($config);\r
        $dh = opendir($dir);\r
        while (false !== ($filename = readdir($dh))) {\r
            if (empty($filename)) {\r
                continue;\r
            }\r
            if ($filename[0] === '.') {\r
                continue;\r
            }\r
            $key = substr($filename, 0, strlen($filename) - 4);\r
            if ($this->isOld($key, $config)) {\r
                unlink($dir . '/' . $filename);\r
            }\r
        }\r
    }\r
\r
    /**\r
     * Generates the file path to the serial file corresponding to\r
     * the configuration and definition name\r
     * @param HTMLPurifier_Config $config\r
     * @return string\r
     * @todo Make protected\r
     */\r
    public function generateFilePath($config)\r
    {\r
        $key = $this->generateKey($config);\r
        return $this->generateDirectoryPath($config) . '/' . $key . '.ser';\r
    }\r
\r
    /**\r
     * Generates the path to the directory contain this cache's serial files\r
     * @param HTMLPurifier_Config $config\r
     * @return string\r
     * @note No trailing slash\r
     * @todo Make protected\r
     */\r
    public function generateDirectoryPath($config)\r
    {\r
        $base = $this->generateBaseDirectoryPath($config);\r
        return $base . '/' . $this->type;\r
    }\r
\r
    /**\r
     * Generates path to base directory that contains all definition type\r
     * serials\r
     * @param HTMLPurifier_Config $config\r
     * @return mixed|string\r
     * @todo Make protected\r
     */\r
    public function generateBaseDirectoryPath($config)\r
    {\r
        $base = $config->get('Cache.SerializerPath');\r
        $base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base;\r
        return $base;\r
    }\r
\r
    /**\r
     * Convenience wrapper function for file_put_contents\r
     * @param string $file File name to write to\r
     * @param string $data Data to write into file\r
     * @param HTMLPurifier_Config $config\r
     * @return int|bool Number of bytes written if success, or false if failure.\r
     */\r
    private function _write($file, $data, $config)\r
    {\r
        $result = file_put_contents($file, $data);\r
        if ($result !== false) {\r
            // set permissions of the new file (no execute)\r
            $chmod = $config->get('Cache.SerializerPermissions');\r
            if (!$chmod) {\r
                $chmod = 0644; // invalid config or simpletest\r
            }\r
            $chmod = $chmod & 0666;\r
            chmod($file, $chmod);\r
        }\r
        return $result;\r
    }\r
\r
    /**\r
     * Prepares the directory that this type stores the serials in\r
     * @param HTMLPurifier_Config $config\r
     * @return bool True if successful\r
     */\r
    private function _prepareDir($config)\r
    {\r
        $directory = $this->generateDirectoryPath($config);\r
        $chmod = $config->get('Cache.SerializerPermissions');\r
        if (!$chmod) {\r
            $chmod = 0755; // invalid config or simpletest\r
        }\r
        if (!is_dir($directory)) {\r
            $base = $this->generateBaseDirectoryPath($config);\r
            if (!is_dir($base)) {\r
                trigger_error(\r
                    'Base directory ' . $base . ' does not exist,\r
                    please create or change using %Cache.SerializerPath',\r
                    E_USER_WARNING\r
                );\r
                return false;\r
            } elseif (!$this->_testPermissions($base, $chmod)) {\r
                return false;\r
            }\r
            $old = umask(0000);\r
            mkdir($directory, $chmod);\r
            umask($old);\r
        } elseif (!$this->_testPermissions($directory, $chmod)) {\r
            return false;\r
        }\r
        return true;\r
    }\r
\r
    /**\r
     * Tests permissions on a directory and throws out friendly\r
     * error messages and attempts to chmod it itself if possible\r
     * @param string $dir Directory path\r
     * @param int $chmod Permissions\r
     * @return bool True if directory is writable\r
     */\r
    private function _testPermissions($dir, $chmod)\r
    {\r
        // early abort, if it is writable, everything is hunky-dory\r
        if (is_writable($dir)) {\r
            return true;\r
        }\r
        if (!is_dir($dir)) {\r
            // generally, you'll want to handle this beforehand\r
            // so a more specific error message can be given\r
            trigger_error(\r
                'Directory ' . $dir . ' does not exist',\r
                E_USER_WARNING\r
            );\r
            return false;\r
        }\r
        if (function_exists('posix_getuid')) {\r
            // POSIX system, we can give more specific advice\r
            if (fileowner($dir) === posix_getuid()) {\r
                // we can chmod it ourselves\r
                $chmod = $chmod | 0700;\r
                if (chmod($dir, $chmod)) {\r
                    return true;\r
                }\r
            } elseif (filegroup($dir) === posix_getgid()) {\r
                $chmod = $chmod | 0070;\r
            } else {\r
                // PHP's probably running as nobody, so we'll\r
                // need to give global permissions\r
                $chmod = $chmod | 0777;\r
            }\r
            trigger_error(\r
                'Directory ' . $dir . ' not writable, ' .\r
                'please chmod to ' . decoct($chmod),\r
                E_USER_WARNING\r
            );\r
        } else {\r
            // generic error message\r
            trigger_error(\r
                'Directory ' . $dir . ' not writable, ' .\r
                'please alter file permissions',\r
                E_USER_WARNING\r
            );\r
        }\r
        return false;\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r