tips:backup_script_data
This is an old revision of the document!
Caution: big page! Copypaste this in a page on your wiki.
Use this if you lost your ftp access, for example. You MUST allow php in pages to use this. This includes PEAR and Archive_Tar, and works in SAFE mode. It's completly insecure, the tar.gz file remains after use.
<php>
/**
* PEAR, the PHP Extension and Application Repository
*
* PEAR class and PEAR_Error class
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category pear
* @package PEAR
* @author Sterling Hughes <sterling@php.net>
* @author Stig Bakken <ssb@php.net>
* @author Tomas V.V.Cox <cox@idecnet.com>
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id$
* @link http://pear.php.net/package/PEAR
* @since File available since Release 0.1
*/
/**#@+
* ERROR constants
*/
define('PEAR_ERROR_RETURN', 1);
define('PEAR_ERROR_PRINT', 2);
define('PEAR_ERROR_TRIGGER', 4);
define('PEAR_ERROR_DIE', 8);
define('PEAR_ERROR_CALLBACK', 16);
/**
* WARNING: obsolete
* @deprecated
*/
define('PEAR_ERROR_EXCEPTION', 32);
/**#@-*/
define('PEAR_ZE2', (function_exists('version_compare') &&
version_compare(zend_version(), "2-dev", "ge")));
if (substr(PHP_OS, 0, 3) == 'WIN') {
define('OS_WINDOWS', true);
define('OS_UNIX', false);
define('PEAR_OS', 'Windows');
} else {
define('OS_WINDOWS', false);
define('OS_UNIX', true);
define('PEAR_OS', 'Unix'); // blatant assumption
}
// instant backwards compatibility
if (!defined('PATH_SEPARATOR')) {
if (OS_WINDOWS) {
define('PATH_SEPARATOR', ';');
} else {
define('PATH_SEPARATOR', ':');
}
}
$GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
$GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
$GLOBALS['_PEAR_destructor_object_list'] = array();
$GLOBALS['_PEAR_shutdown_funcs'] = array();
$GLOBALS['_PEAR_error_handler_stack'] = array();
@ini_set('track_errors', true);
/**
* Base class for other PEAR classes. Provides rudimentary
* emulation of destructors.
*
* If you want a destructor in your class, inherit PEAR and make a
* destructor method called _yourclassname (same name as the
* constructor, but with a "_" prefix). Also, in your constructor you
* have to call the PEAR constructor: $this->PEAR();.
* The destructor method will be called without parameters. Note that
* at in some SAPI implementations (such as Apache), any output during
* the request shutdown (in which destructors are called) seems to be
* discarded. If you need to get any debug information from your
* destructor, use error_log(), syslog() or something similar.
*
* IMPORTANT! To use the emulated destructors you need to create the
* objects by reference: $obj =& new PEAR_child;
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Tomas V.V. Cox <cox@idecnet.com>
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: @package_version@
* @link http://pear.php.net/package/PEAR
* @see PEAR_Error
* @since Class available since PHP 4.0.2
* @link http://pear.php.net/manual/en/core.pear.php#core.pear.pear
*/
class PEAR
{
// {{{ properties
/**
* Whether to enable internal debug messages.
*
* @var bool
* @access private
*/
var $_debug = false;
/**
* Default error mode for this object.
*
* @var int
* @access private
*/
var $_default_error_mode = null;
/**
* Default error options used for this object when error mode
* is PEAR_ERROR_TRIGGER.
*
* @var int
* @access private
*/
var $_default_error_options = null;
/**
* Default error handler (callback) for this object, if error mode is
* PEAR_ERROR_CALLBACK.
*
* @var string
* @access private
*/
var $_default_error_handler = '';
/**
* Which class to use for error objects.
*
* @var string
* @access private
*/
var $_error_class = 'PEAR_Error';
/**
* An array of expected errors.
*
* @var array
* @access private
*/
var $_expected_errors = array();
// }}}
// {{{ constructor
/**
* Constructor. Registers this object in
* $_PEAR_destructor_object_list for destructor emulation if a
* destructor object exists.
*
* @param string $error_class (optional) which class to use for
* error objects, defaults to PEAR_Error.
* @access public
* @return void
*/
function PEAR($error_class = null)
{
$classname = strtolower(get_class($this));
if ($this->_debug) {
print "PEAR constructor called, class=$classname\n";
}
if ($error_class !== null) {
$this->_error_class = $error_class;
}
while ($classname && strcasecmp($classname, "pear")) {
$destructor = "_$classname";
if (method_exists($this, $destructor)) {
global $_PEAR_destructor_object_list;
$_PEAR_destructor_object_list[] = &$this;
if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
register_shutdown_function("_PEAR_call_destructors");
$GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
}
break;
} else {
$classname = get_parent_class($classname);
}
}
}
// }}}
// {{{ destructor
/**
* Destructor (the emulated type of...). Does nothing right now,
* but is included for forward compatibility, so subclass
* destructors should always call it.
*
* See the note in the class desciption about output from
* destructors.
*
* @access public
* @return void
*/
function _PEAR() {
if ($this->_debug) {
printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
}
}
// }}}
// {{{ getStaticProperty()
/**
* If you have a class that's mostly/entirely static, and you need static
* properties, you can use this method to simulate them. Eg. in your method(s)
* do this: $myVar = &PEAR::getStaticProperty('myclass', 'myVar');
* You MUST use a reference, or they will not persist!
*
* @access public
* @param string $class The calling classname, to prevent clashes
* @param string $var The variable to retrieve.
* @return mixed A reference to the variable. If not set it will be
* auto initialised to NULL.
*/
function &getStaticProperty($class, $var)
{
static $properties;
return $properties[$class][$var];
}
// }}}
// {{{ registerShutdownFunc()
/**
* Use this function to register a shutdown method for static
* classes.
*
* @access public
* @param mixed $func The function name (or array of class/method) to call
* @param mixed $args The arguments to pass to the function
* @return void
*/
function registerShutdownFunc($func, $args = array())
{
// if we are called statically, there is a potential
// that no shutdown func is registered. Bug #6445
if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
register_shutdown_function("_PEAR_call_destructors");
$GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
}
$GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
}
// }}}
// {{{ isError()
/**
* Tell whether a value is a PEAR error.
*
* @param mixed $data the value to test
* @param int $code if $data is an error object, return true
* only if $code is a string and
* $obj->getMessage() == $code or
* $code is an integer and $obj->getCode() == $code
* @access public
* @return bool true if parameter is an error
*/
function isError($data, $code = null)
{
if (is_a($data, 'PEAR_Error')) {
if (is_null($code)) {
return true;
} elseif (is_string($code)) {
return $data->getMessage() == $code;
} else {
return $data->getCode() == $code;
}
}
return false;
}
// }}}
// {{{ setErrorHandling()
/**
* Sets how errors generated by this object should be handled.
* Can be invoked both in objects and statically. If called
* statically, setErrorHandling sets the default behaviour for all
* PEAR objects. If called in an object, setErrorHandling sets
* the default behaviour for that object.
*
* @param int $mode
* One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION.
*
* @param mixed $options
* When $mode is PEAR_ERROR_TRIGGER, this is the error level (one
* of E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
*
* When $mode is PEAR_ERROR_CALLBACK, this parameter is expected
* to be the callback function or method. A callback
* function is a string with the name of the function, a
* callback method is an array of two elements: the element
* at index 0 is the object, and the element at index 1 is
* the name of the method to call in the object.
*
* When $mode is PEAR_ERROR_PRINT or PEAR_ERROR_DIE, this is
* a printf format string used when printing the error
* message.
*
* @access public
* @return void
* @see PEAR_ERROR_RETURN
* @see PEAR_ERROR_PRINT
* @see PEAR_ERROR_TRIGGER
* @see PEAR_ERROR_DIE
* @see PEAR_ERROR_CALLBACK
* @see PEAR_ERROR_EXCEPTION
*
* @since PHP 4.0.5
*/
function setErrorHandling($mode = null, $options = null)
{
if (isset($this) && is_a($this, 'PEAR')) {
$setmode = &$this->_default_error_mode;
$setoptions = &$this->_default_error_options;
} else {
$setmode = &$GLOBALS['_PEAR_default_error_mode'];
$setoptions = &$GLOBALS['_PEAR_default_error_options'];
}
switch ($mode) {
case PEAR_ERROR_EXCEPTION:
case PEAR_ERROR_RETURN:
case PEAR_ERROR_PRINT:
case PEAR_ERROR_TRIGGER:
case PEAR_ERROR_DIE:
case null:
$setmode = $mode;
$setoptions = $options;
break;
case PEAR_ERROR_CALLBACK:
$setmode = $mode;
// class/object method callback
if (is_callable($options)) {
$setoptions = $options;
} else {
trigger_error("invalid error callback", E_USER_WARNING);
}
break;
default:
trigger_error("invalid error mode", E_USER_WARNING);
break;
}
}
// }}}
// {{{ expectError()
/**
* This method is used to tell which errors you expect to get.
* Expected errors are always returned with error mode
* PEAR_ERROR_RETURN. Expected error codes are stored in a stack,
* and this method pushes a new element onto it. The list of
* expected errors are in effect until they are popped off the
* stack with the popExpect() method.
*
* Note that this method can not be called statically
*
* @param mixed $code a single error code or an array of error codes to expect
*
* @return int the new depth of the "expected errors" stack
* @access public
*/
function expectError($code = '*')
{
if (is_array($code)) {
array_push($this->_expected_errors, $code);
} else {
array_push($this->_expected_errors, array($code));
}
return sizeof($this->_expected_errors);
}
// }}}
// {{{ popExpect()
/**
* This method pops one element off the expected error codes
* stack.
*
* @return array the list of error codes that were popped
*/
function popExpect()
{
return array_pop($this->_expected_errors);
}
// }}}
// {{{ _checkDelExpect()
/**
* This method checks unsets an error code if available
*
* @param mixed error code
* @return bool true if the error code was unset, false otherwise
* @access private
* @since PHP 4.3.0
*/
function _checkDelExpect($error_code)
{
$deleted = false;
foreach ($this->_expected_errors AS $key => $error_array) {
if (in_array($error_code, $error_array)) {
unset($this->_expected_errors[$key][array_search($error_code, $error_array)]);
$deleted = true;
}
// clean up empty arrays
if (0 == count($this->_expected_errors[$key])) {
unset($this->_expected_errors[$key]);
}
}
return $deleted;
}
// }}}
// {{{ delExpect()
/**
* This method deletes all occurences of the specified element from
* the expected error codes stack.
*
* @param mixed $error_code error code that should be deleted
* @return mixed list of error codes that were deleted or error
* @access public
* @since PHP 4.3.0
*/
function delExpect($error_code)
{
$deleted = false;
if ((is_array($error_code) && (0 != count($error_code)))) {
// $error_code is a non-empty array here;
// we walk through it trying to unset all
// values
foreach($error_code as $key => $error) {
if ($this->_checkDelExpect($error)) {
$deleted = true;
} else {
$deleted = false;
}
}
return $deleted ? true : PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
} elseif (!empty($error_code)) {
// $error_code comes alone, trying to unset it
if ($this->_checkDelExpect($error_code)) {
return true;
} else {
return PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
}
} else {
// $error_code is empty
return PEAR::raiseError("The expected error you submitted is empty"); // IMPROVE ME
}
}
// }}}
// {{{ raiseError()
/**
* This method is a wrapper that returns an instance of the
* configured error class with this object's default error
* handling applied. If the $mode and $options parameters are not
* specified, the object's defaults are used.
*
* @param mixed $message a text error message or a PEAR error object
*
* @param int $code a numeric error code (it is up to your class
* to define these if you want to use codes)
*
* @param int $mode One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
* PEAR_ERROR_CALLBACK, PEAR_ERROR_EXCEPTION.
*
* @param mixed $options If $mode is PEAR_ERROR_TRIGGER, this parameter
* specifies the PHP-internal error level (one of
* E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
* If $mode is PEAR_ERROR_CALLBACK, this
* parameter specifies the callback function or
* method. In other error modes this parameter
* is ignored.
*
* @param string $userinfo If you need to pass along for example debug
* information, this parameter is meant for that.
*
* @param string $error_class The returned error object will be
* instantiated from this class, if specified.
*
* @param bool $skipmsg If true, raiseError will only pass error codes,
* the error message parameter will be dropped.
*
* @access public
* @return object a PEAR error object
* @see PEAR::setErrorHandling
* @since PHP 4.0.5
*/
function &raiseError($message = null,
$code = null,
$mode = null,
$options = null,
$userinfo = null,
$error_class = null,
$skipmsg = false)
{
// The error is yet a PEAR error object
if (is_object($message)) {
$code = $message->getCode();
$userinfo = $message->getUserInfo();
$error_class = $message->getType();
$message->error_message_prefix = '';
$message = $message->getMessage();
}
if (isset($this) && isset($this->_expected_errors) && sizeof($this->_expected_errors) > 0 && sizeof($exp = end($this->_expected_errors))) {
if ($exp[0] == "*" ||
(is_int(reset($exp)) && in_array($code, $exp)) ||
(is_string(reset($exp)) && in_array($message, $exp))) {
$mode = PEAR_ERROR_RETURN;
}
}
// No mode given, try global ones
if ($mode === null) {
// Class error handler
if (isset($this) && isset($this->_default_error_mode)) {
$mode = $this->_default_error_mode;
$options = $this->_default_error_options;
// Global error handler
} elseif (isset($GLOBALS['_PEAR_default_error_mode'])) {
$mode = $GLOBALS['_PEAR_default_error_mode'];
$options = $GLOBALS['_PEAR_default_error_options'];
}
}
if ($error_class !== null) {
$ec = $error_class;
} elseif (isset($this) && isset($this->_error_class)) {
$ec = $this->_error_class;
} else {
$ec = 'PEAR_Error';
}
if ($skipmsg) {
$a = &new $ec($code, $mode, $options, $userinfo);
return $a;
} else {
$a = &new $ec($message, $code, $mode, $options, $userinfo);
return $a;
}
}
// }}}
// {{{ throwError()
/**
* Simpler form of raiseError with fewer options. In most cases
* message, code and userinfo are enough.
*
* @param string $message
*
*/
function &throwError($message = null,
$code = null,
$userinfo = null)
{
if (isset($this) && is_a($this, 'PEAR')) {
$a = &$this->raiseError($message, $code, null, null, $userinfo);
return $a;
} else {
$a = &PEAR::raiseError($message, $code, null, null, $userinfo);
return $a;
}
}
// }}}
function staticPushErrorHandling($mode, $options = null)
{
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
$def_options = &$GLOBALS['_PEAR_default_error_options'];
$stack[] = array($def_mode, $def_options);
switch ($mode) {
case PEAR_ERROR_EXCEPTION:
case PEAR_ERROR_RETURN:
case PEAR_ERROR_PRINT:
case PEAR_ERROR_TRIGGER:
case PEAR_ERROR_DIE:
case null:
$def_mode = $mode;
$def_options = $options;
break;
case PEAR_ERROR_CALLBACK:
$def_mode = $mode;
// class/object method callback
if (is_callable($options)) {
$def_options = $options;
} else {
trigger_error("invalid error callback", E_USER_WARNING);
}
break;
default:
trigger_error("invalid error mode", E_USER_WARNING);
break;
}
$stack[] = array($mode, $options);
return true;
}
function staticPopErrorHandling()
{
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
$setmode = &$GLOBALS['_PEAR_default_error_mode'];
$setoptions = &$GLOBALS['_PEAR_default_error_options'];
array_pop($stack);
list($mode, $options) = $stack[sizeof($stack) - 1];
array_pop($stack);
switch ($mode) {
case PEAR_ERROR_EXCEPTION:
case PEAR_ERROR_RETURN:
case PEAR_ERROR_PRINT:
case PEAR_ERROR_TRIGGER:
case PEAR_ERROR_DIE:
case null:
$setmode = $mode;
$setoptions = $options;
break;
case PEAR_ERROR_CALLBACK:
$setmode = $mode;
// class/object method callback
if (is_callable($options)) {
$setoptions = $options;
} else {
trigger_error("invalid error callback", E_USER_WARNING);
}
break;
default:
trigger_error("invalid error mode", E_USER_WARNING);
break;
}
return true;
}
// {{{ pushErrorHandling()
/**
* Push a new error handler on top of the error handler options stack. With this
* you can easily override the actual error handler for some code and restore
* it later with popErrorHandling.
*
* @param mixed $mode (same as setErrorHandling)
* @param mixed $options (same as setErrorHandling)
*
* @return bool Always true
*
* @see PEAR::setErrorHandling
*/
function pushErrorHandling($mode, $options = null)
{
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
if (isset($this) && is_a($this, 'PEAR')) {
$def_mode = &$this->_default_error_mode;
$def_options = &$this->_default_error_options;
} else {
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
$def_options = &$GLOBALS['_PEAR_default_error_options'];
}
$stack[] = array($def_mode, $def_options);
if (isset($this) && is_a($this, 'PEAR')) {
$this->setErrorHandling($mode, $options);
} else {
PEAR::setErrorHandling($mode, $options);
}
$stack[] = array($mode, $options);
return true;
}
// }}}
// {{{ popErrorHandling()
/**
* Pop the last error handler used
*
* @return bool Always true
*
* @see PEAR::pushErrorHandling
*/
function popErrorHandling()
{
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
array_pop($stack);
list($mode, $options) = $stack[sizeof($stack) - 1];
array_pop($stack);
if (isset($this) && is_a($this, 'PEAR')) {
$this->setErrorHandling($mode, $options);
} else {
PEAR::setErrorHandling($mode, $options);
}
return true;
}
// }}}
// {{{ loadExtension()
/**
* OS independant PHP extension load. Remember to take care
* on the correct extension name for case sensitive OSes.
*
* @param string $ext The extension name
* @return bool Success or not on the dl() call
*/
function loadExtension($ext)
{
if (!extension_loaded($ext)) {
// if either returns true dl() will produce a FATAL error, stop that
if ((ini_get('enable_dl') != 1) || (ini_get('safe_mode') == 1)) {
return false;
}
if (OS_WINDOWS) {
$suffix = '.dll';
} elseif (PHP_OS == 'HP-UX') {
$suffix = '.sl';
} elseif (PHP_OS == 'AIX') {
$suffix = '.a';
} elseif (PHP_OS == 'OSX') {
$suffix = '.bundle';
} else {
$suffix = '.so';
}
return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix);
}
return true;
}
// }}}
}
// {{{ _PEAR_call_destructors()
function _PEAR_call_destructors()
{
global $_PEAR_destructor_object_list;
if (is_array($_PEAR_destructor_object_list) &&
sizeof($_PEAR_destructor_object_list))
{
reset($_PEAR_destructor_object_list);
if (@PEAR::getStaticProperty('PEAR', 'destructlifo')) {
$_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
}
while (list($k, $objref) = each($_PEAR_destructor_object_list)) {
$classname = get_class($objref);
while ($classname) {
$destructor = "_$classname";
if (method_exists($objref, $destructor)) {
$objref->$destructor();
break;
} else {
$classname = get_parent_class($classname);
}
}
}
// Empty the object list to ensure that destructors are
// not called more than once.
$_PEAR_destructor_object_list = array();
}
// Now call the shutdown functions
if (is_array($GLOBALS['_PEAR_shutdown_funcs']) AND !empty($GLOBALS['_PEAR_shutdown_funcs'])) {
foreach ($GLOBALS['_PEAR_shutdown_funcs'] as $value) {
call_user_func_array($value[0], $value[1]);
}
}
}
// }}}
/**
* Standard PEAR error class for PHP 4
*
* This class is supserseded by {@link PEAR_Exception} in PHP 5
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Tomas V.V. Cox <cox@idecnet.com>
* @author Gregory Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: @package_version@
* @link http://pear.php.net/manual/en/core.pear.pear-error.php
* @see PEAR::raiseError(), PEAR::throwError()
* @since Class available since PHP 4.0.2
*/
class PEAR_Error
{
// {{{ properties
var $error_message_prefix = '';
var $mode = PEAR_ERROR_RETURN;
var $level = E_USER_NOTICE;
var $code = -1;
var $message = '';
var $userinfo = '';
var $backtrace = null;
// }}}
// {{{ constructor
/**
* PEAR_Error constructor
*
* @param string $message message
*
* @param int $code (optional) error code
*
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
* PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
*
* @param mixed $options (optional) error level, _OR_ in the case of
* PEAR_ERROR_CALLBACK, the callback function or object/method
* tuple.
*
* @param string $userinfo (optional) additional user/debug info
*
* @access public
*
*/
function PEAR_Error($message = 'unknown error', $code = null,
$mode = null, $options = null, $userinfo = null)
{
if ($mode === null) {
$mode = PEAR_ERROR_RETURN;
}
$this->message = $message;
$this->code = $code;
$this->mode = $mode;
$this->userinfo = $userinfo;
if (function_exists("debug_backtrace")) {
if (@!PEAR::getStaticProperty('PEAR_Error', 'skiptrace')) {
$this->backtrace = debug_backtrace();
}
}
if ($mode & PEAR_ERROR_CALLBACK) {
$this->level = E_USER_NOTICE;
$this->callback = $options;
} else {
if ($options === null) {
$options = E_USER_NOTICE;
}
$this->level = $options;
$this->callback = null;
}
if ($this->mode & PEAR_ERROR_PRINT) {
if (is_null($options) || is_int($options)) {
$format = "%s";
} else {
$format = $options;
}
printf($format, $this->getMessage());
}
if ($this->mode & PEAR_ERROR_TRIGGER) {
trigger_error($this->getMessage(), $this->level);
}
if ($this->mode & PEAR_ERROR_DIE) {
$msg = $this->getMessage();
if (is_null($options) || is_int($options)) {
$format = "%s";
if (substr($msg, -1) != "\n") {
$msg .= "\n";
}
} else {
$format = $options;
}
die(sprintf($format, $msg));
}
if ($this->mode & PEAR_ERROR_CALLBACK) {
if (is_callable($this->callback)) {
call_user_func($this->callback, $this);
}
}
if ($this->mode & PEAR_ERROR_EXCEPTION) {
trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
eval('$e = new Exception($this->message, $this->code);throw($e);');
}
}
// }}}
// {{{ getMode()
/**
* Get the error mode from an error object.
*
* @return int error mode
* @access public
*/
function getMode() {
return $this->mode;
}
// }}}
// {{{ getCallback()
/**
* Get the callback function/method from an error object.
*
* @return mixed callback function or object/method array
* @access public
*/
function getCallback() {
return $this->callback;
}
// }}}
// {{{ getMessage()
/**
* Get the error message from an error object.
*
* @return string full error message
* @access public
*/
function getMessage()
{
return ($this->error_message_prefix . $this->message);
}
// }}}
// {{{ getCode()
/**
* Get error code from an error object
*
* @return int error code
* @access public
*/
function getCode()
{
return $this->code;
}
// }}}
// {{{ getType()
/**
* Get the name of this error/exception.
*
* @return string error/exception name (type)
* @access public
*/
function getType()
{
return get_class($this);
}
// }}}
// {{{ getUserInfo()
/**
* Get additional user-supplied information.
*
* @return string user-supplied information
* @access public
*/
function getUserInfo()
{
return $this->userinfo;
}
// }}}
// {{{ getDebugInfo()
/**
* Get additional debug information supplied by the application.
*
* @return string debug information
* @access public
*/
function getDebugInfo()
{
return $this->getUserInfo();
}
// }}}
// {{{ getBacktrace()
/**
* Get the call backtrace from where the error was generated.
* Supported with PHP 4.3.0 or newer.
*
* @param int $frame (optional) what frame to fetch
* @return array Backtrace, or NULL if not available.
* @access public
*/
function getBacktrace($frame = null)
{
if (defined('PEAR_IGNORE_BACKTRACE')) {
return null;
}
if ($frame === null) {
return $this->backtrace;
}
return $this->backtrace[$frame];
}
// }}}
// {{{ addUserInfo()
function addUserInfo($info)
{
if (empty($this->userinfo)) {
$this->userinfo = $info;
} else {
$this->userinfo .= " ** $info";
}
}
// }}}
// {{{ toString()
/**
* Make a string representation of this object.
*
* @return string a string with an object summary
* @access public
*/
function toString() {
$modes = array();
$levels = array(E_USER_NOTICE => 'notice',
E_USER_WARNING => 'warning',
E_USER_ERROR => 'error');
if ($this->mode & PEAR_ERROR_CALLBACK) {
if (is_array($this->callback)) {
$callback = (is_object($this->callback[0]) ?
strtolower(get_class($this->callback[0])) :
$this->callback[0]) . '::' .
$this->callback[1];
} else {
$callback = $this->callback;
}
return sprintf('[%s: message="%s" code=%d mode=callback '.
'callback=%s prefix="%s" info="%s"]',
strtolower(get_class($this)), $this->message, $this->code,
$callback, $this->error_message_prefix,
$this->userinfo);
}
if ($this->mode & PEAR_ERROR_PRINT) {
$modes[] = 'print';
}
if ($this->mode & PEAR_ERROR_TRIGGER) {
$modes[] = 'trigger';
}
if ($this->mode & PEAR_ERROR_DIE) {
$modes[] = 'die';
}
if ($this->mode & PEAR_ERROR_RETURN) {
$modes[] = 'return';
}
return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
'prefix="%s" info="%s"]',
strtolower(get_class($this)), $this->message, $this->code,
implode("|", $modes), $levels[$this->level],
$this->error_message_prefix,
$this->userinfo);
}
// }}}
}
/*
* Local Variables:
* mode: php
* tab-width: 4
* c-basic-offset: 4
* End:
*/
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* File::CSV
*
* PHP versions 4 and 5
*
* Copyright (c) 1997-2008,
* Vincent Blavet <vincent@phpconcept.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* @category File_Formats
* @package Archive_Tar
* @author Vincent Blavet <vincent@phpconcept.net>
* @copyright 1997-2008 The Authors
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id: Tar.php 295988 2010-03-09 08:39:37Z mrook $
* @link http://pear.php.net/package/Archive_Tar
*/
define ('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
define ('ARCHIVE_TAR_END_BLOCK', pack("a512", ''));
/**
* Creates a (compressed) Tar archive
*
* @author Vincent Blavet <vincent@phpconcept.net>
* @version $Revision: 295988 $
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @package Archive_Tar
*/
class Archive_Tar extends PEAR
{
/**
* @var string Name of the Tar
*/
var $_tarname='';
/**
* @var boolean if true, the Tar file will be gzipped
*/
var $_compress=false;
/**
* @var string Type of compression : 'none', 'gz' or 'bz2'
*/
var $_compress_type='none';
/**
* @var string Explode separator
*/
var $_separator=' ';
/**
* @var file descriptor
*/
var $_file=0;
/**
* @var string Local Tar name of a remote Tar (http:// or ftp://)
*/
var $_temp_tarname='';
/**
* @var string regular expression for ignoring files or directories
*/
var $_ignore_regexp='';
// {{{ constructor
/**
* Archive_Tar Class constructor. This flavour of the constructor only
* declare a new Archive_Tar object, identifying it by the name of the
* tar file.
* If the compress argument is set the tar will be read or created as a
* gzip or bz2 compressed TAR file.
*
* @param string $p_tarname The name of the tar archive to create
* @param string $p_compress can be null, 'gz' or 'bz2'. This
* parameter indicates if gzip or bz2 compression
* is required. For compatibility reason the
* boolean value 'true' means 'gz'.
* @access public
*/
function Archive_Tar($p_tarname, $p_compress = null)
{
$this->PEAR();
$this->_compress = false;
$this->_compress_type = 'none';
if (($p_compress === null) || ($p_compress == '')) {
if (@file_exists($p_tarname)) {
if ($fp = @fopen($p_tarname, "rb")) {
// look for gzip magic cookie
$data = fread($fp, 2);
fclose($fp);
if ($data == "\37\213") {
$this->_compress = true;
$this->_compress_type = 'gz';
// No sure it's enought for a magic code ....
} elseif ($data == "BZ") {
$this->_compress = true;
$this->_compress_type = 'bz2';
}
}
} else {
// probably a remote file or some file accessible
// through a stream interface
if (substr($p_tarname, -2) == 'gz') {
$this->_compress = true;
$this->_compress_type = 'gz';
} elseif ((substr($p_tarname, -3) == 'bz2') ||
(substr($p_tarname, -2) == 'bz')) {
$this->_compress = true;
$this->_compress_type = 'bz2';
}
}
} else {
if (($p_compress === true) || ($p_compress == 'gz')) {
$this->_compress = true;
$this->_compress_type = 'gz';
} else if ($p_compress == 'bz2') {
$this->_compress = true;
$this->_compress_type = 'bz2';
} else {
$this->_error("Unsupported compression type '$p_compress'\n".
"Supported types are 'gz' and 'bz2'.\n");
return false;
}
}
$this->_tarname = $p_tarname;
if ($this->_compress) { // assert zlib or bz2 extension support
if ($this->_compress_type == 'gz')
$extname = 'zlib';
else if ($this->_compress_type == 'bz2')
$extname = 'bz2';
if (!extension_loaded($extname)) {
PEAR::loadExtension($extname);
}
if (!extension_loaded($extname)) {
$this->_error("The extension '$extname' couldn't be found.\n".
"Please make sure your version of PHP was built ".
"with '$extname' support.\n");
return false;
}
}
}
// }}}
// {{{ destructor
function _Archive_Tar()
{
$this->_close();
// ----- Look for a local copy to delete
if ($this->_temp_tarname != '')
@unlink($this->_temp_tarname);
$this->_PEAR();
}
// }}}
// {{{ create()
/**
* This method creates the archive file and add the files / directories
* that are listed in $p_filelist.
* If a file with the same name exist and is writable, it is replaced
* by the new tar.
* The method return false and a PEAR error text.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* For each directory added in the archive, the files and
* sub-directories are also added.
* See also createModify() method for more details.
*
* @param array $p_filelist An array of filenames and directory names, or a
* single string with names separated by a single
* blank space.
* @return true on success, false on error.
* @see createModify()
* @access public
*/
function create($p_filelist)
{
return $this->createModify($p_filelist, '', '');
}
// }}}
// {{{ add()
/**
* This method add the files / directories that are listed in $p_filelist in
* the archive. If the archive does not exist it is created.
* The method return false and a PEAR error text.
* The files and directories listed are only added at the end of the archive,
* even if a file with the same name is already archived.
* See also createModify() method for more details.
*
* @param array $p_filelist An array of filenames and directory names, or a
* single string with names separated by a single
* blank space.
* @return true on success, false on error.
* @see createModify()
* @access public
*/
function add($p_filelist)
{
return $this->addModify($p_filelist, '', '');
}
// }}}
// {{{ extract()
function extract($p_path='')
{
return $this->extractModify($p_path, '');
}
// }}}
// {{{ listContent()
function listContent()
{
$v_list_detail = array();
if ($this->_openRead()) {
if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
unset($v_list_detail);
$v_list_detail = 0;
}
$this->_close();
}
return $v_list_detail;
}
// }}}
// {{{ createModify()
/**
* This method creates the archive file and add the files / directories
* that are listed in $p_filelist.
* If the file already exists and is writable, it is replaced by the
* new tar. It is a create and not an add. If the file exists and is
* read-only or is a directory it is not replaced. The method return
* false and a PEAR error text.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* The path indicated in $p_remove_dir will be removed from the
* memorized path of each file / directory listed when this path
* exists. By default nothing is removed (empty path '')
* The path indicated in $p_add_dir will be added at the beginning of
* the memorized path of each file / directory listed. However it can
* be set to empty ''. The adding of a path is done after the removing
* of path.
* The path add/remove ability enables the user to prepare an archive
* for extraction in a different path than the origin files are.
* See also addModify() method for file adding properties.
*
* @param array $p_filelist An array of filenames and directory names,
* or a single string with names separated by
* a single blank space.
* @param string $p_add_dir A string which contains a path to be added
* to the memorized path of each element in
* the list.
* @param string $p_remove_dir A string which contains a path to be
* removed from the memorized path of each
* element in the list, when relevant.
* @return boolean true on success, false on error.
* @access public
* @see addModify()
*/
function createModify($p_filelist, $p_add_dir, $p_remove_dir='')
{
$v_result = true;
if (!$this->_openWrite())
return false;
if ($p_filelist != '') {
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_cleanFile();
$this->_error('Invalid file list');
return false;
}
$v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir);
}
if ($v_result) {
$this->_writeFooter();
$this->_close();
} else
$this->_cleanFile();
return $v_result;
}
// }}}
// {{{ addModify()
/**
* This method add the files / directories listed in $p_filelist at the
* end of the existing archive. If the archive does not yet exists it
* is created.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* The path indicated in $p_remove_dir will be removed from the
* memorized path of each file / directory listed when this path
* exists. By default nothing is removed (empty path '')
* The path indicated in $p_add_dir will be added at the beginning of
* the memorized path of each file / directory listed. However it can
* be set to empty ''. The adding of a path is done after the removing
* of path.
* The path add/remove ability enables the user to prepare an archive
* for extraction in a different path than the origin files are.
* If a file/dir is already in the archive it will only be added at the
* end of the archive. There is no update of the existing archived
* file/dir. However while extracting the archive, the last file will
* replace the first one. This results in a none optimization of the
* archive size.
* If a file/dir does not exist the file/dir is ignored. However an
* error text is send to PEAR error.
* If a file/dir is not readable the file/dir is ignored. However an
* error text is send to PEAR error.
*
* @param array $p_filelist An array of filenames and directory
* names, or a single string with names
* separated by a single blank space.
* @param string $p_add_dir A string which contains a path to be
* added to the memorized path of each
* element in the list.
* @param string $p_remove_dir A string which contains a path to be
* removed from the memorized path of
* each element in the list, when
* relevant.
* @return true on success, false on error.
* @access public
*/
function addModify($p_filelist, $p_add_dir, $p_remove_dir='')
{
$v_result = true;
if (!$this->_isArchive())
$v_result = $this->createModify($p_filelist, $p_add_dir,
$p_remove_dir);
else {
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_error('Invalid file list');
return false;
}
$v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir);
}
return $v_result;
}
// }}}
// {{{ addString()
/**
* This method add a single string as a file at the
* end of the existing archive. If the archive does not yet exists it
* is created.
*
* @param string $p_filename A string which contains the full
* filename path that will be associated
* with the string.
* @param string $p_string The content of the file added in
* the archive.
* @return true on success, false on error.
* @access public
*/
function addString($p_filename, $p_string)
{
$v_result = true;
if (!$this->_isArchive()) {
if (!$this->_openWrite()) {
return false;
}
$this->_close();
}
if (!$this->_openAppend())
return false;
// Need to check the get back to the temporary file ? ....
$v_result = $this->_addString($p_filename, $p_string);
$this->_writeFooter();
$this->_close();
return $v_result;
}
// }}}
// {{{ extractModify()
/**
* This method extract all the content of the archive in the directory
* indicated by $p_path. When relevant the memorized path of the
* files/dir can be modified by removing the $p_remove_path path at the
* beginning of the file/dir path.
* While extracting a file, if the directory path does not exists it is
* created.
* While extracting a file, if the file already exists it is replaced
* without looking for last modification date.
* While extracting a file, if the file already exists and is write
* protected, the extraction is aborted.
* While extracting a file, if a directory with the same name already
* exists, the extraction is aborted.
* While extracting a directory, if a file with the same name already
* exists, the extraction is aborted.
* While extracting a file/directory if the destination directory exist
* and is write protected, or does not exist but can not be created,
* the extraction is aborted.
* If after extraction an extracted file does not show the correct
* stored file size, the extraction is aborted.
* When the extraction is aborted, a PEAR error text is set and false
* is returned. However the result can be a partial extraction that may
* need to be manually cleaned.
*
* @param string $p_path The path of the directory where the
* files/dir need to by extracted.
* @param string $p_remove_path Part of the memorized path that can be
* removed if present at the beginning of
* the file/dir path.
* @return boolean true on success, false on error.
* @access public
* @see extractList()
*/
function extractModify($p_path, $p_remove_path)
{
$v_result = true;
$v_list_detail = array();
if ($v_result = $this->_openRead()) {
$v_result = $this->_extractList($p_path, $v_list_detail,
"complete", 0, $p_remove_path);
$this->_close();
}
return $v_result;
}
// }}}
// {{{ extractInString()
/**
* This method extract from the archive one file identified by $p_filename.
* The return value is a string with the file content, or NULL on error.
* @param string $p_filename The path of the file to extract in a string.
* @return a string with the file content or NULL.
* @access public
*/
function extractInString($p_filename)
{
if ($this->_openRead()) {
$v_result = $this->_extractInString($p_filename);
$this->_close();
} else {
$v_result = NULL;
}
return $v_result;
}
// }}}
// {{{ extractList()
/**
* This method extract from the archive only the files indicated in the
* $p_filelist. These files are extracted in the current directory or
* in the directory indicated by the optional $p_path parameter.
* If indicated the $p_remove_path can be used in the same way as it is
* used in extractModify() method.
* @param array $p_filelist An array of filenames and directory names,
* or a single string with names separated
* by a single blank space.
* @param string $p_path The path of the directory where the
* files/dir need to by extracted.
* @param string $p_remove_path Part of the memorized path that can be
* removed if present at the beginning of
* the file/dir path.
* @return true on success, false on error.
* @access public
* @see extractModify()
*/
function extractList($p_filelist, $p_path='', $p_remove_path='')
{
$v_result = true;
$v_list_detail = array();
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_error('Invalid string list');
return false;
}
if ($v_result = $this->_openRead()) {
$v_result = $this->_extractList($p_path, $v_list_detail, "partial",
$v_list, $p_remove_path);
$this->_close();
}
return $v_result;
}
// }}}
// {{{ setAttribute()
/**
* This method set specific attributes of the archive. It uses a variable
* list of parameters, in the format attribute code + attribute values :
* $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ',');
* @param mixed $argv variable list of attributes and values
* @return true on success, false on error.
* @access public
*/
function setAttribute()
{
$v_result = true;
// ----- Get the number of variable list of arguments
if (($v_size = func_num_args()) == 0) {
return true;
}
// ----- Get the arguments
$v_att_list = &func_get_args();
// ----- Read the attributes
$i=0;
while ($i<$v_size) {
// ----- Look for next option
switch ($v_att_list[$i]) {
// ----- Look for options that request a string value
case ARCHIVE_TAR_ATT_SEPARATOR :
// ----- Check the number of parameters
if (($i+1) >= $v_size) {
$this->_error('Invalid number of parameters for '
.'attribute ARCHIVE_TAR_ATT_SEPARATOR');
return false;
}
// ----- Get the value
$this->_separator = $v_att_list[$i+1];
$i++;
break;
default :
$this->_error('Unknow attribute code '.$v_att_list[$i].'');
return false;
}
// ----- Next attribute
$i++;
}
return $v_result;
}
// }}}
// {{{ setIgnoreRegexp()
/**
* This method sets the regular expression for ignoring files and directories
* at import, for example:
* $arch->setIgnoreRegexp("#CVS|\.svn#");
* @param string $regexp regular expression defining which files or directories to ignore
* @access public
*/
function setIgnoreRegexp($regexp)
{
$this->_ignore_regexp = $regexp;
}
// }}}
// {{{ setIgnoreList()
/**
* This method sets the regular expression for ignoring all files and directories
* matching the filenames in the array list at import, for example:
* $arch->setIgnoreList(array('CVS', '.svn', 'bin/tool'));
* @param array $list a list of file or directory names to ignore
* @access public
*/
function setIgnoreList($list)
{
$regexp = str_replace(array('#', '.', '^', '$'), array('\#', '\.', '\^', '\$'), $list);
$regexp = '#/'.join('$|/', $list).'#';
$this->setIgnoreRegexp($regexp);
}
// }}}
// {{{ _error()
function _error($p_message)
{
// ----- To be completed
$this->raiseError($p_message);
}
// }}}
// {{{ _warning()
function _warning($p_message)
{
// ----- To be completed
$this->raiseError($p_message);
}
// }}}
// {{{ _isArchive()
function _isArchive($p_filename=NULL)
{
if ($p_filename == NULL) {
$p_filename = $this->_tarname;
}
clearstatcache();
return @is_file($p_filename) && !@is_link($p_filename);
}
// }}}
// {{{ _openWrite()
function _openWrite()
{
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($this->_tarname, "wb9");
else if ($this->_compress_type == 'bz2')
$this->_file = @bzopen($this->_tarname, "w");
else if ($this->_compress_type == 'none')
$this->_file = @fopen($this->_tarname, "wb");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in write mode \''
.$this->_tarname.'\'');
return false;
}
return true;
}
// }}}
// {{{ _openRead()
function _openRead()
{
if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') {
// ----- Look if a local copy need to be done
if ($this->_temp_tarname == '') {
$this->_temp_tarname = uniqid('tar').'.tmp';
if (!$v_file_from = @fopen($this->_tarname, 'rb')) {
$this->_error('Unable to open in read mode \''
.$this->_tarname.'\'');
$this->_temp_tarname = '';
return false;
}
if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) {
$this->_error('Unable to open in write mode \''
.$this->_temp_tarname.'\'');
$this->_temp_tarname = '';
return false;
}
while ($v_data = @fread($v_file_from, 1024))
@fwrite($v_file_to, $v_data);
@fclose($v_file_from);
@fclose($v_file_to);
}
// ----- File to open if the local copy
$v_filename = $this->_temp_tarname;
} else
// ----- File to open if the normal Tar file
$v_filename = $this->_tarname;
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($v_filename, "rb");
else if ($this->_compress_type == 'bz2')
$this->_file = @bzopen($v_filename, "r");
else if ($this->_compress_type == 'none')
$this->_file = @fopen($v_filename, "rb");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in read mode \''.$v_filename.'\'');
return false;
}
return true;
}
// }}}
// {{{ _openReadWrite()
function _openReadWrite()
{
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($this->_tarname, "r+b");
else if ($this->_compress_type == 'bz2') {
$this->_error('Unable to open bz2 in read/write mode \''
.$this->_tarname.'\' (limitation of bz2 extension)');
return false;
} else if ($this->_compress_type == 'none')
$this->_file = @fopen($this->_tarname, "r+b");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in read/write mode \''
.$this->_tarname.'\'');
return false;
}
return true;
}
// }}}
// {{{ _close()
function _close()
{
//if (isset($this->_file)) {
if (is_resource($this->_file)) {
if ($this->_compress_type == 'gz')
@gzclose($this->_file);
else if ($this->_compress_type == 'bz2')
@bzclose($this->_file);
else if ($this->_compress_type == 'none')
@fclose($this->_file);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
$this->_file = 0;
}
// ----- Look if a local copy need to be erase
// Note that it might be interesting to keep the url for a time : ToDo
if ($this->_temp_tarname != '') {
@unlink($this->_temp_tarname);
$this->_temp_tarname = '';
}
return true;
}
// }}}
// {{{ _cleanFile()
function _cleanFile()
{
$this->_close();
// ----- Look for a local copy
if ($this->_temp_tarname != '') {
// ----- Remove the local copy but not the remote tarname
@unlink($this->_temp_tarname);
$this->_temp_tarname = '';
} else {
// ----- Remove the local tarname file
@unlink($this->_tarname);
}
$this->_tarname = '';
return true;
}
// }}}
// {{{ _writeBlock()
function _writeBlock($p_binary_data, $p_len=null)
{
if (is_resource($this->_file)) {
if ($p_len === null) {
if ($this->_compress_type == 'gz')
@gzputs($this->_file, $p_binary_data);
else if ($this->_compress_type == 'bz2')
@bzwrite($this->_file, $p_binary_data);
else if ($this->_compress_type == 'none')
@fputs($this->_file, $p_binary_data);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
} else {
if ($this->_compress_type == 'gz')
@gzputs($this->_file, $p_binary_data, $p_len);
else if ($this->_compress_type == 'bz2')
@bzwrite($this->_file, $p_binary_data, $p_len);
else if ($this->_compress_type == 'none')
@fputs($this->_file, $p_binary_data, $p_len);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
}
return true;
}
// }}}
// {{{ _readBlock()
function _readBlock()
{
$v_block = null;
if (is_resource($this->_file)) {
if ($this->_compress_type == 'gz')
$v_block = @gzread($this->_file, 512);
else if ($this->_compress_type == 'bz2')
$v_block = @bzread($this->_file, 512);
else if ($this->_compress_type == 'none')
$v_block = @fread($this->_file, 512);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
return $v_block;
}
// }}}
// {{{ _jumpBlock()
function _jumpBlock($p_len=null)
{
if (is_resource($this->_file)) {
if ($p_len === null)
$p_len = 1;
if ($this->_compress_type == 'gz') {
@gzseek($this->_file, gztell($this->_file)+($p_len*512));
}
else if ($this->_compress_type == 'bz2') {
// ----- Replace missing bztell() and bzseek()
for ($i=0; $i<$p_len; $i++)
$this->_readBlock();
} else if ($this->_compress_type == 'none')
@fseek($this->_file, $p_len*512, SEEK_CUR);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
return true;
}
// }}}
// {{{ _writeFooter()
function _writeFooter()
{
if (is_resource($this->_file)) {
// ----- Write the last 0 filled block for end of archive
$v_binary_data = pack('a1024', '');
$this->_writeBlock($v_binary_data);
}
return true;
}
// }}}
// {{{ _addList()
function _addList($p_list, $p_add_dir, $p_remove_dir)
{
$v_result=true;
$v_header = array();
// ----- Remove potential windows directory separator
$p_add_dir = $this->_translateWinPath($p_add_dir);
$p_remove_dir = $this->_translateWinPath($p_remove_dir, false);
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if (sizeof($p_list) == 0)
return true;
foreach ($p_list as $v_filename) {
if (!$v_result) {
break;
}
// ----- Skip the current tar name
if ($v_filename == $this->_tarname)
continue;
if ($v_filename == '')
continue;
// ----- ignore files and directories matching the ignore regular expression
if ($this->_ignore_regexp && preg_match($this->_ignore_regexp, '/'.$v_filename)) {
$this->_warning("File '$v_filename' ignored");
continue;
}
if (!file_exists($v_filename)) {
$this->_warning("File '$v_filename' does not exist");
continue;
}
// ----- Add the file or directory header
if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir))
return false;
if (@is_dir($v_filename) && !@is_link($v_filename)) {
if (!($p_hdir = opendir($v_filename))) {
$this->_warning("Directory '$v_filename' can not be read");
continue;
}
while (false !== ($p_hitem = readdir($p_hdir))) {
if (($p_hitem != '.') && ($p_hitem != '..')) {
if ($v_filename != ".")
$p_temp_list[0] = $v_filename.'/'.$p_hitem;
else
$p_temp_list[0] = $p_hitem;
$v_result = $this->_addList($p_temp_list,
$p_add_dir,
$p_remove_dir);
}
}
unset($p_temp_list);
unset($p_hdir);
unset($p_hitem);
}
}
return $v_result;
}
// }}}
// {{{ _addFile()
function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir)
{
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if ($p_filename == '') {
$this->_error('Invalid file name');
return false;
}
// ----- Calculate the stored filename
$p_filename = $this->_translateWinPath($p_filename, false);;
$v_stored_filename = $p_filename;
if (strcmp($p_filename, $p_remove_dir) == 0) {
return true;
}
if ($p_remove_dir != '') {
if (substr($p_remove_dir, -1) != '/')
$p_remove_dir .= '/';
if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir)
$v_stored_filename = substr($p_filename, strlen($p_remove_dir));
}
$v_stored_filename = $this->_translateWinPath($v_stored_filename);
if ($p_add_dir != '') {
if (substr($p_add_dir, -1) == '/')
$v_stored_filename = $p_add_dir.$v_stored_filename;
else
$v_stored_filename = $p_add_dir.'/'.$v_stored_filename;
}
$v_stored_filename = $this->_pathReduction($v_stored_filename);
if ($this->_isArchive($p_filename)) {
if (($v_file = @fopen($p_filename, "rb")) == 0) {
$this->_warning("Unable to open file '".$p_filename
."' in binary read mode");
return true;
}
if (!$this->_writeHeader($p_filename, $v_stored_filename))
return false;
while (($v_buffer = fread($v_file, 512)) != '') {
$v_binary_data = pack("a512", "$v_buffer");
$this->_writeBlock($v_binary_data);
}
fclose($v_file);
} else {
// ----- Only header for dir
if (!$this->_writeHeader($p_filename, $v_stored_filename))
return false;
}
return true;
}
// }}}
// {{{ _addString()
function _addString($p_filename, $p_string)
{
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if ($p_filename == '') {
$this->_error('Invalid file name');
return false;
}
// ----- Calculate the stored filename
$p_filename = $this->_translateWinPath($p_filename, false);;
if (!$this->_writeHeaderBlock($p_filename, strlen($p_string),
time(), 384, "", 0, 0))
return false;
$i=0;
while (($v_buffer = substr($p_string, (($i++)*512), 512)) != '') {
$v_binary_data = pack("a512", $v_buffer);
$this->_writeBlock($v_binary_data);
}
return true;
}
// }}}
// {{{ _writeHeader()
function _writeHeader($p_filename, $p_stored_filename)
{
if ($p_stored_filename == '')
$p_stored_filename = $p_filename;
$v_reduce_filename = $this->_pathReduction($p_stored_filename);
if (strlen($v_reduce_filename) > 99) {
if (!$this->_writeLongHeader($v_reduce_filename))
return false;
}
$v_info = lstat($p_filename);
$v_uid = sprintf("%07s", DecOct($v_info[4]));
$v_gid = sprintf("%07s", DecOct($v_info[5]));
$v_perms = sprintf("%07s", DecOct($v_info['mode'] & 000777));
$v_mtime = sprintf("%011s", DecOct($v_info['mtime']));
$v_linkname = '';
if (@is_link($p_filename)) {
$v_typeflag = '2';
$v_linkname = readlink($p_filename);
$v_size = sprintf("%011s", DecOct(0));
} elseif (@is_dir($p_filename)) {
$v_typeflag = "5";
$v_size = sprintf("%011s", DecOct(0));
} else {
$v_typeflag = '0';
clearstatcache();
$v_size = sprintf("%011s", DecOct($v_info['size']));
}
$v_magic = 'ustar ';
$v_version = ' ';
if (function_exists('posix_getpwuid'))
{
$userinfo = posix_getpwuid($v_info[4]);
$groupinfo = posix_getgrgid($v_info[5]);
$v_uname = $userinfo['name'];
$v_gname = $groupinfo['name'];
}
else
{
$v_uname = '';
$v_gname = '';
}
$v_devmajor = '';
$v_devminor = '';
$v_prefix = '';
$v_binary_data_first = pack("a100a8a8a8a12a12",
$v_reduce_filename, $v_perms, $v_uid,
$v_gid, $v_size, $v_mtime);
$v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
$v_typeflag, $v_linkname, $v_magic,
$v_version, $v_uname, $v_gname,
$v_devmajor, $v_devminor, $v_prefix, '');
// ----- Calculate the checksum
$v_checksum = 0;
// ..... First part of the header
for ($i=0; $i<148; $i++)
$v_checksum += ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=148; $i<156; $i++)
$v_checksum += ord(' ');
// ..... Last part of the header
for ($i=156, $j=0; $i<512; $i++, $j++)
$v_checksum += ord(substr($v_binary_data_last,$j,1));
// ----- Write the first 148 bytes of the header in the archive
$this->_writeBlock($v_binary_data_first, 148);
// ----- Write the calculated checksum
$v_checksum = sprintf("%06s ", DecOct($v_checksum));
$v_binary_data = pack("a8", $v_checksum);
$this->_writeBlock($v_binary_data, 8);
// ----- Write the last 356 bytes of the header in the archive
$this->_writeBlock($v_binary_data_last, 356);
return true;
}
// }}}
// {{{ _writeHeaderBlock()
function _writeHeaderBlock($p_filename, $p_size, $p_mtime=0, $p_perms=0,
$p_type='', $p_uid=0, $p_gid=0)
{
$p_filename = $this->_pathReduction($p_filename);
if (strlen($p_filename) > 99) {
if (!$this->_writeLongHeader($p_filename))
return false;
}
if ($p_type == "5") {
$v_size = sprintf("%011s", DecOct(0));
} else {
$v_size = sprintf("%011s", DecOct($p_size));
}
$v_uid = sprintf("%07s", DecOct($p_uid));
$v_gid = sprintf("%07s", DecOct($p_gid));
$v_perms = sprintf("%07s", DecOct($p_perms & 000777));
$v_mtime = sprintf("%11s", DecOct($p_mtime));
$v_linkname = '';
$v_magic = 'ustar ';
$v_version = ' ';
if (function_exists('posix_getpwuid'))
{
$userinfo = posix_getpwuid($p_uid);
$groupinfo = posix_getgrgid($p_gid);
$v_uname = $userinfo['name'];
$v_gname = $groupinfo['name'];
}
else
{
$v_uname = '';
$v_gname = '';
}
$v_devmajor = '';
$v_devminor = '';
$v_prefix = '';
$v_binary_data_first = pack("a100a8a8a8a12A12",
$p_filename, $v_perms, $v_uid, $v_gid,
$v_size, $v_mtime);
$v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
$p_type, $v_linkname, $v_magic,
$v_version, $v_uname, $v_gname,
$v_devmajor, $v_devminor, $v_prefix, '');
// ----- Calculate the checksum
$v_checksum = 0;
// ..... First part of the header
for ($i=0; $i<148; $i++)
$v_checksum += ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=148; $i<156; $i++)
$v_checksum += ord(' ');
// ..... Last part of the header
for ($i=156, $j=0; $i<512; $i++, $j++)
$v_checksum += ord(substr($v_binary_data_last,$j,1));
// ----- Write the first 148 bytes of the header in the archive
$this->_writeBlock($v_binary_data_first, 148);
// ----- Write the calculated checksum
$v_checksum = sprintf("%06s ", DecOct($v_checksum));
$v_binary_data = pack("a8", $v_checksum);
$this->_writeBlock($v_binary_data, 8);
// ----- Write the last 356 bytes of the header in the archive
$this->_writeBlock($v_binary_data_last, 356);
return true;
}
// }}}
// {{{ _writeLongHeader()
function _writeLongHeader($p_filename)
{
$v_size = sprintf("%11s ", DecOct(strlen($p_filename)));
$v_typeflag = 'L';
$v_linkname = '';
$v_magic = '';
$v_version = '';
$v_uname = '';
$v_gname = '';
$v_devmajor = '';
$v_devminor = '';
$v_prefix = '';
$v_binary_data_first = pack("a100a8a8a8a12a12",
'././@LongLink', 0, 0, 0, $v_size, 0);
$v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
$v_typeflag, $v_linkname, $v_magic,
$v_version, $v_uname, $v_gname,
$v_devmajor, $v_devminor, $v_prefix, '');
// ----- Calculate the checksum
$v_checksum = 0;
// ..... First part of the header
for ($i=0; $i<148; $i++)
$v_checksum += ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=148; $i<156; $i++)
$v_checksum += ord(' ');
// ..... Last part of the header
for ($i=156, $j=0; $i<512; $i++, $j++)
$v_checksum += ord(substr($v_binary_data_last,$j,1));
// ----- Write the first 148 bytes of the header in the archive
$this->_writeBlock($v_binary_data_first, 148);
// ----- Write the calculated checksum
$v_checksum = sprintf("%06s ", DecOct($v_checksum));
$v_binary_data = pack("a8", $v_checksum);
$this->_writeBlock($v_binary_data, 8);
// ----- Write the last 356 bytes of the header in the archive
$this->_writeBlock($v_binary_data_last, 356);
// ----- Write the filename as content of the block
$i=0;
while (($v_buffer = substr($p_filename, (($i++)*512), 512)) != '') {
$v_binary_data = pack("a512", "$v_buffer");
$this->_writeBlock($v_binary_data);
}
return true;
}
// }}}
// {{{ _readHeader()
function _readHeader($v_binary_data, &$v_header)
{
if (strlen($v_binary_data)==0) {
$v_header['filename'] = '';
return true;
}
if (strlen($v_binary_data) != 512) {
$v_header['filename'] = '';
$this->_error('Invalid block size : '.strlen($v_binary_data));
return false;
}
if (!is_array($v_header)) {
$v_header = array();
}
// ----- Calculate the checksum
$v_checksum = 0;
// ..... First part of the header
for ($i=0; $i<148; $i++)
$v_checksum+=ord(substr($v_binary_data,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=148; $i<156; $i++)
$v_checksum += ord(' ');
// ..... Last part of the header
for ($i=156; $i<512; $i++)
$v_checksum+=ord(substr($v_binary_data,$i,1));
$v_data = unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/"
."a8checksum/a1typeflag/a100link/a6magic/a2version/"
."a32uname/a32gname/a8devmajor/a8devminor",
$v_binary_data);
// ----- Extract the checksum
$v_header['checksum'] = OctDec(trim($v_data['checksum']));
if ($v_header['checksum'] != $v_checksum) {
$v_header['filename'] = '';
// ----- Look for last block (empty block)
if (($v_checksum == 256) && ($v_header['checksum'] == 0))
return true;
$this->_error('Invalid checksum for file "'.$v_data['filename']
.'" : '.$v_checksum.' calculated, '
.$v_header['checksum'].' expected');
return false;
}
// ----- Extract the properties
$v_header['filename'] = $v_data['filename'];
if ($this->_maliciousFilename($v_header['filename'])) {
$this->_error('Malicious .tar detected, file "' . $v_header['filename'] .
'" will not install in desired directory tree');
return false;
}
$v_header['mode'] = OctDec(trim($v_data['mode']));
$v_header['uid'] = OctDec(trim($v_data['uid']));
$v_header['gid'] = OctDec(trim($v_data['gid']));
$v_header['size'] = OctDec(trim($v_data['size']));
$v_header['mtime'] = OctDec(trim($v_data['mtime']));
if (($v_header['typeflag'] = $v_data['typeflag']) == "5") {
$v_header['size'] = 0;
}
$v_header['link'] = trim($v_data['link']);
/* ----- All these fields are removed form the header because
they do not carry interesting info
$v_header[magic] = trim($v_data[magic]);
$v_header[version] = trim($v_data[version]);
$v_header[uname] = trim($v_data[uname]);
$v_header[gname] = trim($v_data[gname]);
$v_header[devmajor] = trim($v_data[devmajor]);
$v_header[devminor] = trim($v_data[devminor]);
*/
return true;
}
// }}}
// {{{ _maliciousFilename()
/**
* Detect and report a malicious file name
*
* @param string $file
* @return bool
* @access private
*/
function _maliciousFilename($file)
{
if (strpos($file, '/../') !== false) {
return true;
}
if (strpos($file, '../') === 0) {
return true;
}
return false;
}
// }}}
// {{{ _readLongHeader()
function _readLongHeader(&$v_header)
{
$v_filename = '';
$n = floor($v_header['size']/512);
for ($i=0; $i<$n; $i++) {
$v_content = $this->_readBlock();
$v_filename .= $v_content;
}
if (($v_header['size'] % 512) != 0) {
$v_content = $this->_readBlock();
$v_filename .= trim($v_content);
}
// ----- Read the next header
$v_binary_data = $this->_readBlock();
if (!$this->_readHeader($v_binary_data, $v_header))
return false;
$v_filename = trim($v_filename);
$v_header['filename'] = $v_filename;
if ($this->_maliciousFilename($v_filename)) {
$this->_error('Malicious .tar detected, file "' . $v_filename .
'" will not install in desired directory tree');
return false;
}
return true;
}
// }}}
// {{{ _extractInString()
/**
* This method extract from the archive one file identified by $p_filename.
* The return value is a string with the file content, or NULL on error.
* @param string $p_filename The path of the file to extract in a string.
* @return a string with the file content or NULL.
* @access private
*/
function _extractInString($p_filename)
{
$v_result_str = "";
While (strlen($v_binary_data = $this->_readBlock()) != 0)
{
if (!$this->_readHeader($v_binary_data, $v_header))
return NULL;
if ($v_header['filename'] == '')
continue;
// ----- Look for long filename
if ($v_header['typeflag'] == 'L') {
if (!$this->_readLongHeader($v_header))
return NULL;
}
if ($v_header['filename'] == $p_filename) {
if ($v_header['typeflag'] == "5") {
$this->_error('Unable to extract in string a directory '
.'entry {'.$v_header['filename'].'}');
return NULL;
} else {
$n = floor($v_header['size']/512);
for ($i=0; $i<$n; $i++) {
$v_result_str .= $this->_readBlock();
}
if (($v_header['size'] % 512) != 0) {
$v_content = $this->_readBlock();
$v_result_str .= substr($v_content, 0,
($v_header['size'] % 512));
}
return $v_result_str;
}
} else {
$this->_jumpBlock(ceil(($v_header['size']/512)));
}
}
return NULL;
}
// }}}
// {{{ _extractList()
function _extractList($p_path, &$p_list_detail, $p_mode,
$p_file_list, $p_remove_path)
{
$v_result=true;
$v_nb = 0;
$v_extract_all = true;
$v_listing = false;
$p_path = $this->_translateWinPath($p_path, false);
if ($p_path == '' || (substr($p_path, 0, 1) != '/'
&& substr($p_path, 0, 3) != "../" && !strpos($p_path, ':'))) {
$p_path = "./".$p_path;
}
$p_remove_path = $this->_translateWinPath($p_remove_path);
// ----- Look for path to remove format (should end by /)
if (($p_remove_path != '') && (substr($p_remove_path, -1) != '/'))
$p_remove_path .= '/';
$p_remove_path_size = strlen($p_remove_path);
switch ($p_mode) {
case "complete" :
$v_extract_all = TRUE;
$v_listing = FALSE;
break;
case "partial" :
$v_extract_all = FALSE;
$v_listing = FALSE;
break;
case "list" :
$v_extract_all = FALSE;
$v_listing = TRUE;
break;
default :
$this->_error('Invalid extract mode ('.$p_mode.')');
return false;
}
clearstatcache();
while (strlen($v_binary_data = $this->_readBlock()) != 0)
{
$v_extract_file = FALSE;
$v_extraction_stopped = 0;
if (!$this->_readHeader($v_binary_data, $v_header))
return false;
if ($v_header['filename'] == '') {
continue;
}
// ----- Look for long filename
if ($v_header['typeflag'] == 'L') {
if (!$this->_readLongHeader($v_header))
return false;
}
if ((!$v_extract_all) && (is_array($p_file_list))) {
// ----- By default no unzip if the file is not found
$v_extract_file = false;
for ($i=0; $i<sizeof($p_file_list); $i++) {
// ----- Look if it is a directory
if (substr($p_file_list[$i], -1) == '/') {
// ----- Look if the directory is in the filename path
if ((strlen($v_header['filename']) > strlen($p_file_list[$i]))
&& (substr($v_header['filename'], 0, strlen($p_file_list[$i]))
== $p_file_list[$i])) {
$v_extract_file = TRUE;
break;
}
}
// ----- It is a file, so compare the file names
elseif ($p_file_list[$i] == $v_header['filename']) {
$v_extract_file = TRUE;
break;
}
}
} else {
$v_extract_file = TRUE;
}
// ----- Look if this file need to be extracted
if (($v_extract_file) && (!$v_listing))
{
if (($p_remove_path != '')
&& (substr($v_header['filename'], 0, $p_remove_path_size)
== $p_remove_path))
$v_header['filename'] = substr($v_header['filename'],
$p_remove_path_size);
if (($p_path != './') && ($p_path != '/')) {
while (substr($p_path, -1) == '/')
$p_path = substr($p_path, 0, strlen($p_path)-1);
if (substr($v_header['filename'], 0, 1) == '/')
$v_header['filename'] = $p_path.$v_header['filename'];
else
$v_header['filename'] = $p_path.'/'.$v_header['filename'];
}
if (file_exists($v_header['filename'])) {
if ( (@is_dir($v_header['filename']))
&& ($v_header['typeflag'] == '')) {
$this->_error('File '.$v_header['filename']
.' already exists as a directory');
return false;
}
if ( ($this->_isArchive($v_header['filename']))
&& ($v_header['typeflag'] == "5")) {
$this->_error('Directory '.$v_header['filename']
.' already exists as a file');
return false;
}
if (!is_writeable($v_header['filename'])) {
$this->_error('File '.$v_header['filename']
.' already exists and is write protected');
return false;
}
if (filemtime($v_header['filename']) > $v_header['mtime']) {
// To be completed : An error or silent no replace ?
}
}
// ----- Check the directory availability and create it if necessary
elseif (($v_result
= $this->_dirCheck(($v_header['typeflag'] == "5"
?$v_header['filename']
:dirname($v_header['filename'])))) != 1) {
$this->_error('Unable to create path for '.$v_header['filename']);
return false;
}
if ($v_extract_file) {
if ($v_header['typeflag'] == "5") {
if (!@file_exists($v_header['filename'])) {
if (!@mkdir($v_header['filename'], 0777)) {
$this->_error('Unable to create directory {'
.$v_header['filename'].'}');
return false;
}
}
} elseif ($v_header['typeflag'] == "2") {
if (@file_exists($v_header['filename'])) {
@unlink($v_header['filename']);
}
if (!@symlink($v_header['link'], $v_header['filename'])) {
$this->_error('Unable to extract symbolic link {'
.$v_header['filename'].'}');
return false;
}
} else {
if (($v_dest_file = @fopen($v_header['filename'], "wb")) == 0) {
$this->_error('Error while opening {'.$v_header['filename']
.'} in write binary mode');
return false;
} else {
$n = floor($v_header['size']/512);
for ($i=0; $i<$n; $i++) {
$v_content = $this->_readBlock();
fwrite($v_dest_file, $v_content, 512);
}
if (($v_header['size'] % 512) != 0) {
$v_content = $this->_readBlock();
fwrite($v_dest_file, $v_content, ($v_header['size'] % 512));
}
@fclose($v_dest_file);
// ----- Change the file mode, mtime
@touch($v_header['filename'], $v_header['mtime']);
if ($v_header['mode'] & 0111) {
// make file executable, obey umask
$mode = fileperms($v_header['filename']) | (~umask() & 0111);
@chmod($v_header['filename'], $mode);
}
}
// ----- Check the file size
clearstatcache();
if (filesize($v_header['filename']) != $v_header['size']) {
$this->_error('Extracted file '.$v_header['filename']
.' does not have the correct file size \''
.filesize($v_header['filename'])
.'\' ('.$v_header['size']
.' expected). Archive may be corrupted.');
return false;
}
}
} else {
$this->_jumpBlock(ceil(($v_header['size']/512)));
}
} else {
$this->_jumpBlock(ceil(($v_header['size']/512)));
}
/* TBC : Seems to be unused ...
if ($this->_compress)
$v_end_of_file = @gzeof($this->_file);
else
$v_end_of_file = @feof($this->_file);
*/
if ($v_listing || $v_extract_file || $v_extraction_stopped) {
// ----- Log extracted files
if (($v_file_dir = dirname($v_header['filename']))
== $v_header['filename'])
$v_file_dir = '';
if ((substr($v_header['filename'], 0, 1) == '/') && ($v_file_dir == ''))
$v_file_dir = '/';
$p_list_detail[$v_nb++] = $v_header;
if (is_array($p_file_list) && (count($p_list_detail) == count($p_file_list))) {
return true;
}
}
}
return true;
}
// }}}
// {{{ _openAppend()
function _openAppend()
{
if (filesize($this->_tarname) == 0)
return $this->_openWrite();
if ($this->_compress) {
$this->_close();
if (!@rename($this->_tarname, $this->_tarname.".tmp")) {
$this->_error('Error while renaming \''.$this->_tarname
.'\' to temporary file \''.$this->_tarname
.'.tmp\'');
return false;
}
if ($this->_compress_type == 'gz')
$v_temp_tar = @gzopen($this->_tarname.".tmp", "rb");
elseif ($this->_compress_type == 'bz2')
$v_temp_tar = @bzopen($this->_tarname.".tmp", "r");
if ($v_temp_tar == 0) {
$this->_error('Unable to open file \''.$this->_tarname
.'.tmp\' in binary read mode');
@rename($this->_tarname.".tmp", $this->_tarname);
return false;
}
if (!$this->_openWrite()) {
@rename($this->_tarname.".tmp", $this->_tarname);
return false;
}
if ($this->_compress_type == 'gz') {
while (!@gzeof($v_temp_tar)) {
$v_buffer = @gzread($v_temp_tar, 512);
if ($v_buffer == ARCHIVE_TAR_END_BLOCK) {
// do not copy end blocks, we will re-make them
// after appending
continue;
}
$v_binary_data = pack("a512", $v_buffer);
$this->_writeBlock($v_binary_data);
}
@gzclose($v_temp_tar);
}
elseif ($this->_compress_type == 'bz2') {
while (strlen($v_buffer = @bzread($v_temp_tar, 512)) > 0) {
if ($v_buffer == ARCHIVE_TAR_END_BLOCK) {
continue;
}
$v_binary_data = pack("a512", $v_buffer);
$this->_writeBlock($v_binary_data);
}
@bzclose($v_temp_tar);
}
if (!@unlink($this->_tarname.".tmp")) {
$this->_error('Error while deleting temporary file \''
.$this->_tarname.'.tmp\'');
}
} else {
// ----- For not compressed tar, just add files before the last
// one or two 512 bytes block
if (!$this->_openReadWrite())
return false;
clearstatcache();
$v_size = filesize($this->_tarname);
// We might have zero, one or two end blocks.
// The standard is two, but we should try to handle
// other cases.
fseek($this->_file, $v_size - 1024);
if (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
fseek($this->_file, $v_size - 1024);
}
elseif (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
fseek($this->_file, $v_size - 512);
}
}
return true;
}
// }}}
// {{{ _append()
function _append($p_filelist, $p_add_dir='', $p_remove_dir='')
{
if (!$this->_openAppend())
return false;
if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir))
$this->_writeFooter();
$this->_close();
return true;
}
// }}}
// {{{ _dirCheck()
/**
* Check if a directory exists and create it (including parent
* dirs) if not.
*
* @param string $p_dir directory to check
*
* @return bool TRUE if the directory exists or was created
*/
function _dirCheck($p_dir)
{
clearstatcache();
if ((@is_dir($p_dir)) || ($p_dir == ''))
return true;
$p_parent_dir = dirname($p_dir);
if (($p_parent_dir != $p_dir) &&
($p_parent_dir != '') &&
(!$this->_dirCheck($p_parent_dir)))
return false;
if (!@mkdir($p_dir, 0777)) {
$this->_error("Unable to create directory '$p_dir'");
return false;
}
return true;
}
// }}}
// {{{ _pathReduction()
/**
* Compress path by changing for example "/dir/foo/../bar" to "/dir/bar",
* rand emove double slashes.
*
* @param string $p_dir path to reduce
*
* @return string reduced path
*
* @access private
*
*/
function _pathReduction($p_dir)
{
$v_result = '';
// ----- Look for not empty path
if ($p_dir != '') {
// ----- Explode path by directory names
$v_list = explode('/', $p_dir);
// ----- Study directories from last to first
for ($i=sizeof($v_list)-1; $i>=0; $i--) {
// ----- Look for current path
if ($v_list[$i] == ".") {
// ----- Ignore this directory
// Should be the first $i=0, but no check is done
}
else if ($v_list[$i] == "..") {
// ----- Ignore it and ignore the $i-1
$i--;
}
else if ( ($v_list[$i] == '')
&& ($i!=(sizeof($v_list)-1))
&& ($i!=0)) {
// ----- Ignore only the double '//' in path,
// but not the first and last /
} else {
$v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?'/'
.$v_result:'');
}
}
}
$v_result = strtr($v_result, '\\', '/');
return $v_result;
}
// }}}
// {{{ _translateWinPath()
function _translateWinPath($p_path, $p_remove_disk_letter=true)
{
if (defined('OS_WINDOWS') && OS_WINDOWS) {
// ----- Look for potential disk letter
if ( ($p_remove_disk_letter)
&& (($v_position = strpos($p_path, ':')) != false)) {
$p_path = substr($p_path, $v_position+1);
}
// ----- Change potential windows directory separator
if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) {
$p_path = strtr($p_path, '\\', '/');
}
}
return $p_path;
}
// }}}
}
$backuparchFile = "dokuwiki_".strftime("%Y-%m-%d_%H-%M-%S").".tar.gz";
$backupdumpFile = "/tmp/dokuwiki.dump.".gmdate("U");
$backupfullPath = realpath('./data');
echo <<<END
<p>Dumping local folder "$backupfullPath"<br /> to archive "$backuparchFile"...</p>
END;
$backuptar = new Archive_Tar($backuparchFile, "gz");
$backuptar->createModify(array($backupfullPath), null, $backupfullPath);
echo <<<END
<p>Download: <a href="$backuparchFile">$backuparchFile</a></p>
END;
</php>
tips/backup_script_data.1306059219.txt.gz · Last modified: 2011-05-22 12:13 by 93.15.217.207