mirror of https://github.com/friendica/friendica
492 lines
16 KiB
PHP
492 lines
16 KiB
PHP
<?php
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/**
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* PEAR_PackageFile, package.xml parsing utility class
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*
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* PHP versions 4 and 5
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*
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* @category pear
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* @package PEAR
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 1.4.0a1
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*/
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/**
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* needed for PEAR_VALIDATE_* constants
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*/
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require_once 'PEAR/Validate.php';
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/**
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* Error code if the package.xml <package> tag does not contain a valid version
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*/
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define('PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION', 1);
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/**
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* Error code if the package.xml <package> tag version is not supported (version 1.0 and 1.1 are the only supported versions,
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* currently
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*/
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define('PEAR_PACKAGEFILE_ERROR_INVALID_PACKAGEVERSION', 2);
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/**
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* Abstraction for the package.xml package description file
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*
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* @category pear
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* @package PEAR
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version Release: 1.10.5
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* @link http://pear.php.net/package/PEAR
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* @since Class available since Release 1.4.0a1
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*/
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class PEAR_PackageFile
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{
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/**
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* @var PEAR_Config
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*/
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var $_config;
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var $_debug;
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var $_logger = false;
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/**
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* @var boolean
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*/
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var $_rawReturn = false;
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/**
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* helper for extracting Archive_Tar errors
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* @var array
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* @access private
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*/
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var $_extractErrors = array();
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/**
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*
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* @param PEAR_Config $config
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* @param ? $debug
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* @param string @tmpdir Optional temporary directory for uncompressing
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* files
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*/
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function __construct(&$config, $debug = false)
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{
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$this->_config = $config;
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$this->_debug = $debug;
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}
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/**
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* Turn off validation - return a parsed package.xml without checking it
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*
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* This is used by the package-validate command
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*/
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function rawReturn()
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{
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$this->_rawReturn = true;
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}
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function setLogger(&$l)
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{
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$this->_logger = &$l;
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}
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/**
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* Create a PEAR_PackageFile_Parser_v* of a given version.
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* @param int $version
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* @return PEAR_PackageFile_Parser_v1|PEAR_PackageFile_Parser_v1
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*/
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function &parserFactory($version)
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{
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if (!in_array($version{0}, array('1', '2'))) {
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$a = false;
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return $a;
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}
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include_once 'PEAR/PackageFile/Parser/v' . $version{0} . '.php';
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$version = $version{0};
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$class = "PEAR_PackageFile_Parser_v$version";
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$a = new $class;
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return $a;
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}
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/**
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* For simpler unit-testing
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* @return string
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*/
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function getClassPrefix()
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{
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return 'PEAR_PackageFile_v';
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}
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/**
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* Create a PEAR_PackageFile_v* of a given version.
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* @param int $version
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* @return PEAR_PackageFile_v1|PEAR_PackageFile_v1
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*/
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function &factory($version)
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{
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if (!in_array($version{0}, array('1', '2'))) {
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$a = false;
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return $a;
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}
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include_once 'PEAR/PackageFile/v' . $version{0} . '.php';
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$version = $version{0};
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$class = $this->getClassPrefix() . $version;
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$a = new $class;
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return $a;
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}
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/**
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* Create a PEAR_PackageFile_v* from its toArray() method
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*
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* WARNING: no validation is performed, the array is assumed to be valid,
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* always parse from xml if you want validation.
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* @param array $arr
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* @return PEAR_PackageFileManager_v1|PEAR_PackageFileManager_v2
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* @uses factory() to construct the returned object.
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*/
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function &fromArray($arr)
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{
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if (isset($arr['xsdversion'])) {
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$obj = &$this->factory($arr['xsdversion']);
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if ($this->_logger) {
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$obj->setLogger($this->_logger);
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}
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$obj->setConfig($this->_config);
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$obj->fromArray($arr);
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return $obj;
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}
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if (isset($arr['package']['attribs']['version'])) {
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$obj = &$this->factory($arr['package']['attribs']['version']);
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} else {
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$obj = &$this->factory('1.0');
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}
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if ($this->_logger) {
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$obj->setLogger($this->_logger);
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}
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$obj->setConfig($this->_config);
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$obj->fromArray($arr);
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return $obj;
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}
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/**
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* Create a PEAR_PackageFile_v* from an XML string.
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* @access public
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* @param string $data contents of package.xml file
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* @param int $state package state (one of PEAR_VALIDATE_* constants)
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* @param string $file full path to the package.xml file (and the files
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* it references)
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* @param string $archive optional name of the archive that the XML was
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* extracted from, if any
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* @return PEAR_PackageFile_v1|PEAR_PackageFile_v2
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* @uses parserFactory() to construct a parser to load the package.
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*/
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function &fromXmlString($data, $state, $file, $archive = false)
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{
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if (preg_match('/<package[^>]+version=[\'"]([0-9]+\.[0-9]+)[\'"]/', $data, $packageversion)) {
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if (!in_array($packageversion[1], array('1.0', '2.0', '2.1'))) {
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return PEAR::raiseError('package.xml version "' . $packageversion[1] .
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'" is not supported, only 1.0, 2.0, and 2.1 are supported.');
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}
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$object = &$this->parserFactory($packageversion[1]);
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if ($this->_logger) {
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$object->setLogger($this->_logger);
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}
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$object->setConfig($this->_config);
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$pf = $object->parse($data, $file, $archive);
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if (PEAR::isError($pf)) {
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return $pf;
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}
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if ($this->_rawReturn) {
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return $pf;
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}
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if (!$pf->validate($state)) {;
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if ($this->_config->get('verbose') > 0
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&& $this->_logger && $pf->getValidationWarnings(false)
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) {
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foreach ($pf->getValidationWarnings(false) as $warning) {
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$this->_logger->log(0, 'ERROR: ' . $warning['message']);
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}
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}
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$a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
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2, null, null, $pf->getValidationWarnings());
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return $a;
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}
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if ($this->_logger && $pf->getValidationWarnings(false)) {
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foreach ($pf->getValidationWarnings() as $warning) {
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$this->_logger->log(0, 'WARNING: ' . $warning['message']);
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}
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}
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if (method_exists($pf, 'flattenFilelist')) {
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$pf->flattenFilelist(); // for v2
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}
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return $pf;
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} elseif (preg_match('/<package[^>]+version=[\'"]([^"\']+)[\'"]/', $data, $packageversion)) {
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$a = PEAR::raiseError('package.xml file "' . $file .
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'" has unsupported package.xml <package> version "' . $packageversion[1] . '"');
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return $a;
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} else {
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if (!class_exists('PEAR_ErrorStack')) {
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require_once 'PEAR/ErrorStack.php';
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}
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PEAR_ErrorStack::staticPush('PEAR_PackageFile',
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PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION,
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'warning', array('xml' => $data), 'package.xml "' . $file .
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'" has no package.xml <package> version');
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$object = &$this->parserFactory('1.0');
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$object->setConfig($this->_config);
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$pf = $object->parse($data, $file, $archive);
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if (PEAR::isError($pf)) {
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return $pf;
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}
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if ($this->_rawReturn) {
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return $pf;
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}
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if (!$pf->validate($state)) {
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$a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
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2, null, null, $pf->getValidationWarnings());
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return $a;
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}
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if ($this->_logger && $pf->getValidationWarnings(false)) {
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foreach ($pf->getValidationWarnings() as $warning) {
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$this->_logger->log(0, 'WARNING: ' . $warning['message']);
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}
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}
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if (method_exists($pf, 'flattenFilelist')) {
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$pf->flattenFilelist(); // for v2
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}
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return $pf;
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}
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}
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/**
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* Register a temporary file or directory. When the destructor is
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* executed, all registered temporary files and directories are
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* removed.
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*
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* @param string $file name of file or directory
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* @return void
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*/
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function addTempFile($file)
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{
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$GLOBALS['_PEAR_Common_tempfiles'][] = $file;
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}
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/**
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* Create a PEAR_PackageFile_v* from a compressed Tar or Tgz file.
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* @access public
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* @param string contents of package.xml file
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* @param int package state (one of PEAR_VALIDATE_* constants)
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* @return PEAR_PackageFile_v1|PEAR_PackageFile_v2
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* @using Archive_Tar to extract the files
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* @using fromPackageFile() to load the package after the package.xml
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* file is extracted.
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*/
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function &fromTgzFile($file, $state)
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{
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if (!class_exists('Archive_Tar')) {
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require_once 'Archive/Tar.php';
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}
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$tar = new Archive_Tar($file);
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if ($this->_debug <= 1) {
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$tar->pushErrorHandling(PEAR_ERROR_RETURN);
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}
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$content = $tar->listContent();
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if ($this->_debug <= 1) {
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$tar->popErrorHandling();
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}
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if (!is_array($content)) {
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if (is_string($file) && strlen($file < 255) &&
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(!file_exists($file) || !@is_file($file))) {
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$ret = PEAR::raiseError("could not open file \"$file\"");
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return $ret;
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}
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$file = realpath($file);
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$ret = PEAR::raiseError("Could not get contents of package \"$file\"".
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'. Invalid tgz file.');
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return $ret;
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}
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if (!count($content) && !@is_file($file)) {
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$ret = PEAR::raiseError("could not open file \"$file\"");
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return $ret;
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}
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$xml = null;
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$origfile = $file;
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foreach ($content as $file) {
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$name = $file['filename'];
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if ($name == 'package2.xml') { // allow a .tgz to distribute both versions
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$xml = $name;
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break;
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}
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if ($name == 'package.xml') {
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$xml = $name;
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break;
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} elseif (preg_match('/package.xml$/', $name, $match)) {
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$xml = $name;
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break;
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}
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}
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$tmpdir = System::mktemp('-t "' . $this->_config->get('temp_dir') . '" -d pear');
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if ($tmpdir === false) {
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$ret = PEAR::raiseError("there was a problem with getting the configured temp directory");
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return $ret;
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}
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PEAR_PackageFile::addTempFile($tmpdir);
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$this->_extractErrors();
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PEAR::staticPushErrorHandling(PEAR_ERROR_CALLBACK, array($this, '_extractErrors'));
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if (!$xml || !$tar->extractList(array($xml), $tmpdir)) {
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$extra = implode("\n", $this->_extractErrors());
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if ($extra) {
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$extra = ' ' . $extra;
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}
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PEAR::staticPopErrorHandling();
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$ret = PEAR::raiseError('could not extract the package.xml file from "' .
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$origfile . '"' . $extra);
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return $ret;
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}
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PEAR::staticPopErrorHandling();
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$ret = &PEAR_PackageFile::fromPackageFile("$tmpdir/$xml", $state, $origfile);
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return $ret;
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}
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/**
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* helper callback for extracting Archive_Tar errors
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*
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* @param PEAR_Error|null $err
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* @return array
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* @access private
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*/
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function _extractErrors($err = null)
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{
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static $errors = array();
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if ($err === null) {
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$e = $errors;
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$errors = array();
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return $e;
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}
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$errors[] = $err->getMessage();
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}
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/**
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* Create a PEAR_PackageFile_v* from a package.xml file.
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*
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* @access public
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* @param string $descfile name of package xml file
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* @param int $state package state (one of PEAR_VALIDATE_* constants)
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* @param string|false $archive name of the archive this package.xml came
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* from, if any
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* @return PEAR_PackageFile_v1|PEAR_PackageFile_v2
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* @uses PEAR_PackageFile::fromXmlString to create the oject after the
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* XML is loaded from the package.xml file.
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*/
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function &fromPackageFile($descfile, $state, $archive = false)
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{
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$fp = false;
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if (is_string($descfile) && strlen($descfile) < 255 &&
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(
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!file_exists($descfile) || !is_file($descfile) || !is_readable($descfile)
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|| (!$fp = @fopen($descfile, 'r'))
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)
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) {
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$a = PEAR::raiseError("Unable to open $descfile");
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return $a;
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}
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// read the whole thing so we only get one cdata callback
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// for each block of cdata
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fclose($fp);
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$data = file_get_contents($descfile);
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$ret = &PEAR_PackageFile::fromXmlString($data, $state, $descfile, $archive);
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return $ret;
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}
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/**
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* Create a PEAR_PackageFile_v* from a .tgz archive or package.xml file.
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*
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* This method is able to extract information about a package from a .tgz
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* archive or from a XML package definition file.
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*
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* @access public
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* @param string $info file name
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* @param int $state package state (one of PEAR_VALIDATE_* constants)
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* @return PEAR_PackageFile_v1|PEAR_PackageFile_v2
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* @uses fromPackageFile() if the file appears to be XML
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* @uses fromTgzFile() to load all non-XML files
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*/
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function &fromAnyFile($info, $state)
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{
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if (is_dir($info)) {
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$dir_name = realpath($info);
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if (file_exists($dir_name . '/package.xml')) {
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$info = PEAR_PackageFile::fromPackageFile($dir_name . '/package.xml', $state);
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} elseif (file_exists($dir_name . '/package2.xml')) {
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$info = PEAR_PackageFile::fromPackageFile($dir_name . '/package2.xml', $state);
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} else {
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$info = PEAR::raiseError("No package definition found in '$info' directory");
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}
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return $info;
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}
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$fp = false;
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if (is_string($info) && strlen($info) < 255 &&
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(file_exists($info) || ($fp = @fopen($info, 'r')))
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) {
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if ($fp) {
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fclose($fp);
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}
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$tmp = substr($info, -4);
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if ($tmp == '.xml') {
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$info = &PEAR_PackageFile::fromPackageFile($info, $state);
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} elseif ($tmp == '.tar' || $tmp == '.tgz') {
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$info = &PEAR_PackageFile::fromTgzFile($info, $state);
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} else {
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$fp = fopen($info, 'r');
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$test = fread($fp, 5);
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fclose($fp);
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if ($test == '<?xml') {
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$info = &PEAR_PackageFile::fromPackageFile($info, $state);
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} else {
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$info = &PEAR_PackageFile::fromTgzFile($info, $state);
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}
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}
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return $info;
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}
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$info = PEAR::raiseError("Cannot open '$info' for parsing");
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return $info;
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}
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}
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