This file is indexed.

/usr/share/php/nusoap/class.wsdlcache.php is in libnusoap-php 0.7.3-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
<?php
/*
The NuSOAP project home is:
http://sourceforge.net/projects/nusoap/

The primary support for NuSOAP is the mailing list:
nusoap-general@lists.sourceforge.net
*/

/**
* caches instances of the wsdl class
* 
* @author   Scott Nichol <snichol@users.sourceforge.net>
* @author	Ingo Fischer <ingo@apollon.de>
* @version  $Id: class.wsdlcache.php,v 1.7 2007/04/17 16:34:03 snichol Exp $
* @access public 
*/
class nusoap_wsdlcache {
	/**
	 *	@var resource
	 *	@access private
	 */
	var $fplock;
	/**
	 *	@var integer
	 *	@access private
	 */
	var $cache_lifetime;
	/**
	 *	@var string
	 *	@access private
	 */
	var $cache_dir;
	/**
	 *	@var string
	 *	@access public
	 */
	var $debug_str = '';

	/**
	* constructor
	*
	* @param string $cache_dir directory for cache-files
	* @param integer $cache_lifetime lifetime for caching-files in seconds or 0 for unlimited
	* @access public
	*/
	function nusoap_wsdlcache($cache_dir='.', $cache_lifetime=0) {
		$this->fplock = array();
		$this->cache_dir = $cache_dir != '' ? $cache_dir : '.';
		$this->cache_lifetime = $cache_lifetime;
	}

	/**
	* creates the filename used to cache a wsdl instance
	*
	* @param string $wsdl The URL of the wsdl instance
	* @return string The filename used to cache the instance
	* @access private
	*/
	function createFilename($wsdl) {
		return $this->cache_dir.'/wsdlcache-' . md5($wsdl);
	}

	/**
	* adds debug data to the class level debug string
	*
	* @param    string $string debug data
	* @access   private
	*/
	function debug($string){
		$this->debug_str .= get_class($this).": $string\n";
	}

	/**
	* gets a wsdl instance from the cache
	*
	* @param string $wsdl The URL of the wsdl instance
	* @return object wsdl The cached wsdl instance, null if the instance is not in the cache
	* @access public
	*/
	function get($wsdl) {
		$filename = $this->createFilename($wsdl);
		if ($this->obtainMutex($filename, "r")) {
			// check for expired WSDL that must be removed from the cache
 			if ($this->cache_lifetime > 0) {
				if (file_exists($filename) && (time() - filemtime($filename) > $this->cache_lifetime)) {
					unlink($filename);
					$this->debug("Expired $wsdl ($filename) from cache");
					$this->releaseMutex($filename);
					return null;
  				}
			}
			// see what there is to return
			if (!file_exists($filename)) {
				$this->debug("$wsdl ($filename) not in cache (1)");
				$this->releaseMutex($filename);
				return null;
			}
			$fp = @fopen($filename, "r");
			if ($fp) {
				$s = implode("", @file($filename));
				fclose($fp);
				$this->debug("Got $wsdl ($filename) from cache");
			} else {
				$s = null;
				$this->debug("$wsdl ($filename) not in cache (2)");
			}
			$this->releaseMutex($filename);
			return (!is_null($s)) ? unserialize($s) : null;
		} else {
			$this->debug("Unable to obtain mutex for $filename in get");
		}
		return null;
	}

	/**
	* obtains the local mutex
	*
	* @param string $filename The Filename of the Cache to lock
	* @param string $mode The open-mode ("r" or "w") or the file - affects lock-mode
	* @return boolean Lock successfully obtained ?!
	* @access private
	*/
	function obtainMutex($filename, $mode) {
		if (isset($this->fplock[md5($filename)])) {
			$this->debug("Lock for $filename already exists");
			return false;
		}
		$this->fplock[md5($filename)] = fopen($filename.".lock", "w");
		if ($mode == "r") {
			return flock($this->fplock[md5($filename)], LOCK_SH);
		} else {
			return flock($this->fplock[md5($filename)], LOCK_EX);
		}
	}

	/**
	* adds a wsdl instance to the cache
	*
	* @param object wsdl $wsdl_instance The wsdl instance to add
	* @return boolean WSDL successfully cached
	* @access public
	*/
	function put($wsdl_instance) {
		$filename = $this->createFilename($wsdl_instance->wsdl);
		$s = serialize($wsdl_instance);
		if ($this->obtainMutex($filename, "w")) {
			$fp = fopen($filename, "w");
			if (! $fp) {
				$this->debug("Cannot write $wsdl_instance->wsdl ($filename) in cache");
				$this->releaseMutex($filename);
				return false;
			}
			fputs($fp, $s);
			fclose($fp);
			$this->debug("Put $wsdl_instance->wsdl ($filename) in cache");
			$this->releaseMutex($filename);
			return true;
		} else {
			$this->debug("Unable to obtain mutex for $filename in put");
		}
		return false;
	}

	/**
	* releases the local mutex
	*
	* @param string $filename The Filename of the Cache to lock
	* @return boolean Lock successfully released
	* @access private
	*/
	function releaseMutex($filename) {
		$ret = flock($this->fplock[md5($filename)], LOCK_UN);
		fclose($this->fplock[md5($filename)]);
		unset($this->fplock[md5($filename)]);
		if (! $ret) {
			$this->debug("Not able to release lock for $filename");
		}
		return $ret;
	}

	/**
	* removes a wsdl instance from the cache
	*
	* @param string $wsdl The URL of the wsdl instance
	* @return boolean Whether there was an instance to remove
	* @access public
	*/
	function remove($wsdl) {
		$filename = $this->createFilename($wsdl);
		if (!file_exists($filename)) {
			$this->debug("$wsdl ($filename) not in cache to be removed");
			return false;
		}
		// ignore errors obtaining mutex
		$this->obtainMutex($filename, "w");
		$ret = unlink($filename);
		$this->debug("Removed ($ret) $wsdl ($filename) from cache");
		$this->releaseMutex($filename);
		return $ret;
	}
}

/**
 * For backward compatibility
 */
class wsdlcache extends nusoap_wsdlcache {
}
?>