Файл: admin/sources/classes/share/links.php
Строк: 241
<?php
/**
* <pre>
* Invision Power Services
* IP.Board v3.3.3
* Share links library.
* Created by Matt Mecham
* Last Updated: $Date: 2012-05-10 16:10:13 -0400 (Thu, 10 May 2012) $
* </pre>
*
* @author $Author: bfarber $
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/company/standards.php#license
* @package IP.Board
* @link http://www.invisionpower.com
* @version $Rev: 10721 $
*
*/
class share_links
{
/**#@+
* Registry Object Shortcuts
*
* @access protected
* @var object
*/
protected $registry;
protected $DB;
protected $settings;
protected $request;
protected $lang;
protected $member;
protected $memberData;
protected $cache;
protected $caches;
/**#@-*/
/**
* Plug in object
*
* @access protected
* @var object
*/
protected $_plugin;
protected $_pluginKey = '';
/**
* Construct.
* @access public
* @param object Registry
* @param string Plug in key
* @return @e void
*/
public function __construct( $registry, $plugin )
{
/* Make object */
$this->registry = $registry;
$this->DB = $this->registry->DB();
$this->settings =& $this->registry->fetchSettings();
$this->request =& $this->registry->fetchRequest();
$this->lang = $this->registry->getClass('class_localization');
$this->member = $this->registry->member();
$this->memberData =& $this->registry->member()->fetchMemberData();
$this->cache = $this->registry->cache();
$this->caches =& $this->registry->cache()->fetchCaches();
/* Store */
$this->_pluginKey = $plugin;
try
{
$this->_initPlugin( $plugin );
}
catch ( Exception $e )
{
return $e->getMessage();
}
/* Verify moderator perms are set */
$this->memberData = IPSMember::setUpModerator( $this->memberData );
}
/**
* Share the link.
*
* @access public
* @param string Document title
* @param string Document URL
*/
public function share( $title, $url )
{
/* Disabled? */
if ( ! $this->settings['sl_enable'] )
{
return false;
}
/* Ensure title is correctly de-html-ized */
$title = IPSText::UNhtmlspecialchars( $title );
if ( is_object( $this->_plugin ) )
{
/* Grab URL details */
$data = $this->deconstructUrl( $url );
/* Requires a permission check? */
if ( $data['data_app'] AND method_exists( $this->_plugin, 'requiresPermissionCheck' ) )
{
if ( $this->_plugin->requiresPermissionCheck( $data ) !== false )
{
$_file = IPSLib::getAppDir( $data['data_app'] ) . '/extensions/coreExtensions.php';
$_result = false;
/* Check for the file */
if ( is_file( $_file ) )
{
/* Get the file */
$_class = IPSLib::loadLibrary( $_file, $data['data_app'] . 'ShareLinks', $data['data_app'] );
/* Check for the class */
if ( class_exists( $_class ) )
{
/* Create an object */
$_obj = new $_class();
/* Check for the module */
if ( method_exists( $_obj, 'permissionCheck' ) )
{
if ( $_obj->permissionCheck( $data ) !== false )
{
$_result = true;
}
}
}
}
if ( $_result === false )
{
$this->registry->getClass('output')->showError('no_permission');
}
}
}
/* Log it */
$this->log( $url, $title, $data );
/* In almost all cases, there is no data to return as the plugin
redirects or posts an action */
$this->_plugin->share( $title, $url );
}
return false;
}
/**
* Init the plug in
*
* @access protected
* @param string Plug in
*/
protected function _initPlugin( $plugin='' )
{
$_file = IPS_ROOT_PATH . 'sources/classes/share/plugins/' . IPSText::alphanumericalClean( $plugin ) . '.php';
/* Goddit? */
if ( is_file( $_file ) )
{
$classToLoad = IPSLib::loadLibrary( $_file, 'sl_' . $plugin );
$this->_plugin = new $classToLoad( $this->registry );
}
else
{
throw new Exception( 'NO_SUCH_PLUGIN' );
}
}
/**
* Log a URL. Simple really.
*
* @access public
* @param string URL
* @return nufink
*/
public function deconstructUrl( $url )
{
/* init */
$data = array( 'data_app' => '',
'data_type' => '',
'data_primary_id' => 0,
'data_secondary_id' => 0 );
/* Try FURL first */
$ret = $this->_checkForFurl( $url );
if ( $ret === false OR ! count( $ret ) )
{
$ret = $this->_checkForApps( $this->_explodeUrl( $url ) );
}
else if ( is_array( $ret ) AND count( $ret ) AND ! $ret['app'] )
{
/* Is a shorter redirect based link, so use app processing... */
$_url = array();
foreach( $ret as $k => $v )
{
$_url[] = $k . '=' . $v;
}
$ret = $this->_checkForApps( $this->_explodeUrl( implode( '&', $_url ) ) );
}
/* Try again */
if ( is_array( $ret ) AND count( $ret ) AND $ret['data_app'] )
{
$data = $ret;
}
return $data;
}
/**
* Log a URL. Simple really.
*
* @access public
* @param string URL
* @return nufink
*/
public function log( $url, $title, $urlParts=array() )
{
/* If we're a 'bot, sod awf */
if ( $this->member->is_not_human )
{
return;
}
/* Ensure we're not jabbing our podgy fingers on the refresh button
We don't check the link 'cos you can any ?param on the end. member_id + share service should do */
if ( $this->memberData['member_id'] )
{
$check = $this->DB->buildAndFetch( array( 'select' => 'log_id',
'from' => 'core_share_links_log',
'where' => '(log_member_id=' . $this->memberData['member_id'] . ' OR log_ip_address='' . $this->member->ip_address . '') AND log_share_key='' . $this->_pluginKey . '' AND log_date > ' . ( time() - 60 ) ) );
}
else
{
$check = $this->DB->buildAndFetch( array( 'select' => 'log_id',
'from' => 'core_share_links_log',
'where' => 'log_ip_address='' . $this->member->ip_address . '' AND log_share_key='' . $this->_pluginKey . '' AND log_date > ' . ( time() - 60 ) ) );
}
if ( $check['log_id'] )
{
return;
}
/* Log */
$this->DB->insert( 'core_share_links_log', array( 'log_date' => time(),
'log_member_id' => $this->memberData['member_id'],
'log_url' => $url,
'log_title' => $title,
'log_ip_address' => $this->member->ip_address,
'log_share_key' => $this->_pluginKey,
'log_data_app' => $urlParts['data_app'],
'log_data_type' => $urlParts['data_type'],
'log_data_primary_id' => intval($urlParts['data_primary_id']),
'log_data_secondary_id' => intval($urlParts['data_secondary_id']) ) );
/* Rebuild caches */
$this->rebuildCaches();
}
/**
* Build some caches of stuff.
*
* @access public
*
*/
public function rebuildCaches()
{
/* INIT */
$caches = array( 'mostitems' => array(), 'mostrecent' => array() );
/* Delete caches */
$this->DB->delete( 'core_share_links_caches', "cache_key IN ('mostitems', 'mostrecent')" );
/* Most shared */
$this->DB->build( array( 'select' => 'COUNT(*) as count, log_data_app, log_data_type, log_data_primary_id',
'from' => 'core_share_links_log',
'group' => 'log_data_app, log_data_type, log_data_primary_id',
'order' => 'count DESC',
'limit' => array( 0, 10 ) ) );
$this->DB->execute();
while( $row = $this->DB->fetch() )
{
$caches['mostitems'][] = $row;
}
/* Most recent shares */
$this->DB->build( array( 'select' => 'log_id, log_data_app, log_data_type, log_data_primary_id',
'from' => 'core_share_links_log',
'order' => 'log_date DESC',
'limit' => array( 0, 10 ) ) );
$this->DB->execute();
while( $row = $this->DB->fetch() )
{
$caches['mostrecent'][] = $row;
}
/* Save 'em */
foreach( $caches as $key => $data )
{
$this->DB->insert( 'core_share_links_caches', array( 'cache_key' => $key, 'cache_date' => time(), 'cache_data' => serialize( $data ) ) );
}
}
/**
* Try and deconstruct the link via app specific processing
*
* @access protected
* @param array Array or URL bits
* @return array Array of request data or false
*/
protected function _checkForApps( $url )
{
$app_cache = $this->cache->getCache('app_cache');
/* Loop through applications */
foreach( $app_cache as $app_dir => $app )
{
/* Only if app enabled... */
if ( $app['app_enabled'] )
{
/* Setup */
$_file = IPSLib::getAppDir( $app['app_directory'] ) . '/extensions/coreExtensions.php';
/* Check for the file */
if( is_file( $_file ) )
{
/* Get the file */
$_class = IPSLib::loadLibrary( $_file, $app['app_directory'] . 'ShareLinks', $app['app_directory'] );
/* Check for the class */
if( class_exists( $_class ) )
{
/* Create an object */
$_obj = new $_class();
/* Check for the module */
if( method_exists( $_obj, 'deconstructUrl' ) )
{
/* Call it */
$ret = $_obj->deconstructUrl( $url );
if ( is_array( $ret ) AND $ret['data_app'] )
{
return $ret;
}
}
}
}
}
}
return array( 'data_app' => '' );
}
/**
* Try and deconstruct the link if it's a FURRY FURL
*
* @access protected
* @param string Incoming URL
* @return array Array of request data or false
*/
protected function _checkForFurl( $url )
{
$_urlBits = array();
$_toTest = $url;
$templates = array();
/* Grab FURL data... */
if ( ! IN_DEV AND is_file( DOC_IPS_ROOT_PATH . 'cache/furlCache.php' ) )
{
$templates = array();
include( DOC_IPS_ROOT_PATH . 'cache/furlCache.php' );/*noLibHook*/
$_seoTemplates = $templates;
}
else
{
/* Attempt to write it */
$_seoTemplates = IPSLib::buildFurlTemplates();
try
{
IPSLib::cacheFurlTemplates();
}
catch( Exception $e ) {}
}
if ( is_array( $_seoTemplates ) AND count( $_seoTemplates ) )
{
foreach( $_seoTemplates as $key => $data )
{
if ( empty( $data['in']['regex'] ) )
{
continue;
}
if ( preg_match( $data['in']['regex'], $_toTest, $matches ) )
{
if ( is_array( $data['in']['matches'] ) )
{
foreach( $data['in']['matches'] as $_replace )
{
$k = IPSText::parseCleanKey( $_replace[0] );
if ( strpos( $_replace[1], '$' ) !== false )
{
$v = IPSText::parseCleanValue( $matches[ intval( str_replace( '$', '', $_replace[1] ) ) ] );
}
else
{
$v = IPSText::parseCleanValue( $_replace[1] );
}
$_urlBits[ $k ] = $v;
}
}
if ( strpos( $_toTest, $_seoTemplates['__data__']['varBlock'] ) !== false )
{
$_parse = substr( $_toTest, strpos( $_toTest, $_seoTemplates['__data__']['varBlock'] ) + strlen( $_seoTemplates['__data__']['varBlock'] ) );
$_data = explode( $_seoTemplates['__data__']['varSep'], $_parse );
$_c = 0;
foreach( $_data as $_v )
{
if ( ! $_c )
{
$k = IPSText::parseCleanKey( $_v );
$v = '';
$_c++;
}
else
{
$v = IPSText::parseCleanValue( $_v );
$_c = 0;
$_urlBits[ $k ] = $v;
}
}
}
break;
}
}
//-----------------------------------------
// If using query string furl, extract any
// secondary query string.
// Ex: http://localhost/index.php?/path/file.html?key=value
// Will pull the key=value properly
//-----------------------------------------
$_qmCount = substr_count( $_toTest, '?' );
if ( $_qmCount > 1 )
{
$_secondQueryString = substr( $_toTest, strrpos( $_toTest, '?' ) + 1 );
$_secondParams = explode( '&', $_secondQueryString );
if( count($_secondParams) )
{
foreach( $_secondParams as $_param )
{
list( $k, $v ) = explode( '=', $_param );
$k = IPSText::parseCleanKey( $k );
$v = IPSText::parseCleanValue( $v );
$_urlBits[ $k ] = $v;
}
}
}
/* Process URL bits for extra ? in them */
if ( is_array( $_urlBits ) AND count( $_urlBits ) )
{
foreach( $_urlBits as $k => $v )
{
if ( strstr( $v, '?') )
{
list( $rvalue, $more ) = explode( '?', $v );
if ( $rvalue AND $more )
{
/* Reset key with correct value */
$_v = $rvalue;
$_urlBits[ $k ] = $_v;
/* Now add in the other value */
if ( strstr( $more, '=' ) )
{
list( $_k, $_v ) = explode( '=', $more );
if ( $_k and $_v )
{
$_urlBits[ $_k ] = $_v;
}
}
}
}
}
}
}
return ( count($_urlBits) ) ? $_urlBits : false;
}
/**
* Explode a URL (foo=bar&baz=umm) into array( 'foo' => 'bar', .... )
*
* @access protected
* @param string URL
* @return array Values
*/
protected function _explodeUrl( $url )
{
$url = str_replace( '&', '&', $url );
$ret = array();
if ( strstr( $url, '?' ) )
{
list( $_u, $url ) = explode( '?', $url );
}
foreach( explode( '&', $url ) as $bit )
{
list($k, $v) = explode( '=', $bit );
if ( $k and $v )
{
$ret[ trim( $k ) ] = trim( $v );
}
}
return $ret;
}
}