backlink.php

Joomla!是一套获得过多个奖项的内容管理系统(Content Management System, CMS)。Joomla!采用PHP+MySQL数据库开发

				$limit = $url_array[$pos +4];
				$limitstart = $url_array[$pos +5];
				$year = $url_array[$pos +6];
				$month = $url_array[$pos +7];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;
				$_GET['limit'] = $limit;
				$_REQUEST['limit'] = $limit;
				$_GET['limitstart'] = $limitstart;
				$_REQUEST['limitstart'] = $limitstart;
				$_GET['year'] = $year;
				$_REQUEST['year'] = $year;
				$_GET['month'] = $month;
				$_REQUEST['month'] = $month;

				$QUERY_STRING = "option=com_content&task=$task&id=$id&Itemid=$Itemid&limit=$limit&limitstart=$limitstart&year=$year&month=$month";
			}
			else if (isset ($url_array[$pos +7]) && $url_array[$pos +7] != '' && in_array('category', $url_array) && (strpos($url_array[$pos +5], 'order,') !== false))
			{
				// $option/$task/$sectionid/$id/$Itemid/$order/$limit/$limitstart
				$task = $url_array[$pos +1];
				$sectionid = $url_array[$pos +2];
				$id = $url_array[$pos +3];
				$Itemid = $url_array[$pos +4];
				$order = str_replace('order,', '', $url_array[$pos +5]);
				$limit = $url_array[$pos +6];
				$limitstart = $url_array[$pos +7];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['sectionid'] = $sectionid;
				$_REQUEST['sectionid'] = $sectionid;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;
				$_GET['order'] = $order;
				$_REQUEST['order'] = $order;
				$_GET['limit'] = $limit;
				$_REQUEST['limit'] = $limit;
				$_GET['limitstart'] = $limitstart;
				$_REQUEST['limitstart'] = $limitstart;

				$QUERY_STRING = "option=com_content&task=$task&sectionid=$sectionid&id=$id&Itemid=$Itemid&order=$order&limit=$limit&limitstart=$limitstart";
			}
			else if (isset ($url_array[$pos +6]) && $url_array[$pos +6] != '')
			{
				// $option/$task/$sectionid/$id/$Itemid/$limit/$limitstart
				$task = $url_array[$pos +1];
				$sectionid = $url_array[$pos +2];
				$id = $url_array[$pos +3];
				$Itemid = $url_array[$pos +4];
				$limit = $url_array[$pos +5];
				$limitstart = $url_array[$pos +6];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['sectionid'] = $sectionid;
				$_REQUEST['sectionid'] = $sectionid;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;
				$_GET['limit'] = $limit;
				$_REQUEST['limit'] = $limit;
				$_GET['limitstart'] = $limitstart;
				$_REQUEST['limitstart'] = $limitstart;

				$QUERY_STRING = "option=com_content&task=$task&sectionid=$sectionid&id=$id&Itemid=$Itemid&limit=$limit&limitstart=$limitstart";
			}
			else if (isset ($url_array[$pos +5]) && $url_array[$pos +5] != '')
			{
				// $option/$task/$id/$Itemid/$limit/$limitstart
				$task = $url_array[$pos +1];
				$id = $url_array[$pos +2];
				$Itemid = $url_array[$pos +3];
				$limit = $url_array[$pos +4];
				$limitstart = $url_array[$pos +5];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;
				$_GET['limit'] = $limit;
				$_REQUEST['limit'] = $limit;
				$_GET['limitstart'] = $limitstart;
				$_REQUEST['limitstart'] = $limitstart;

				$QUERY_STRING = "option=com_content&task=$task&id=$id&Itemid=$Itemid&limit=$limit&limitstart=$limitstart";
			}
			else if (isset ($url_array[$pos +4]) && $url_array[$pos +4] != '' && (in_array('archivecategory', $url_array) || in_array('archivesection', $url_array)))
			{
				// $option/$task/$year/$month/$module
				$task = $url_array[$pos +1];
				$year = $url_array[$pos +2];
				$month = $url_array[$pos +3];
				$module = $url_array[$pos +4];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['year'] = $year;
				$_REQUEST['year'] = $year;
				$_GET['month'] = $month;
				$_REQUEST['month'] = $month;
				$_GET['module'] = $module;
				$_REQUEST['module'] = $module;

				$QUERY_STRING = "option=com_content&task=$task&year=$year&month=$month&module=$module";
			}
			else if (!(isset ($url_array[$pos +5]) && $url_array[$pos +5] != '') && isset ($url_array[$pos +4]) && $url_array[$pos +4] != '')
			{
				// $option/$task/$sectionid/$id/$Itemid
				$task = $url_array[$pos +1];
				$sectionid = $url_array[$pos +2];
				$id = $url_array[$pos +3];
				$Itemid = $url_array[$pos +4];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['sectionid'] = $sectionid;
				$_REQUEST['sectionid'] = $sectionid;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;

				$QUERY_STRING = "option=com_content&task=$task&sectionid=$sectionid&id=$id&Itemid=$Itemid";
			}
			else if (!(isset ($url_array[$pos +4]) && $url_array[$pos +4] != '') && (isset ($url_array[$pos +3]) && $url_array[$pos +3] != ''))
			{
				// $option/$task/$id/$Itemid
				$task = $url_array[$pos +1];
				$id = $url_array[$pos +2];
				$Itemid = $url_array[$pos +3];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;
				$_GET['Itemid'] = $Itemid;
				$_REQUEST['Itemid'] = $Itemid;

				$QUERY_STRING = "option=com_content&task=$task&id=$id&Itemid=$Itemid";
			}
			else if (!(isset ($url_array[$pos +3]) && $url_array[$pos +3] != '') && (isset ($url_array[$pos +2]) && $url_array[$pos +2] != ''))
			{
				// $option/$task/$id
				$task = $url_array[$pos +1];
				$id = $url_array[$pos +2];

				// pass data onto global variables
				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;
				$_GET['id'] = $id;
				$_REQUEST['id'] = $id;

				$QUERY_STRING = "option=com_content&task=$task&id=$id";
			}
			else if (!(isset ($url_array[$pos +2]) && $url_array[$pos +2] != '') && (isset ($url_array[$pos +1]) && $url_array[$pos +1] != ''))
			{
				// $option/$task
				$task = $url_array[$pos +1];

				$_GET['task'] = $task;
				$_REQUEST['task'] = $task;

				$QUERY_STRING = 'option=com_content&task=' . $task;
			}

			if ($lang != '') {
				$QUERY_STRING .= '&lang=' . $lang;
			}

			$_SERVER['QUERY_STRING'] = $QUERY_STRING;
			$REQUEST_URI = $uri[0] . 'index.php?' . $QUERY_STRING;
			$_SERVER['REQUEST_URI'] = $REQUEST_URI;

		}
		else if (in_array('component', $url_array))
		{
			$name = 'component';
			/*
			Components
			http://www.domain.com/component/$name,$value
			*/
			$uri = explode('component/', $_SERVER['REQUEST_URI']);
			$uri_array = explode('/', $uri[1]);
			$QUERY_STRING = '';

			// needed for check if component exists
			$path = $mosConfig_absolute_path . '/components';
			$dirlist = array ();
			if (is_dir($path))
			{
				$base = opendir($path);
				while (false !== ($dir = readdir($base)))
				{
					if ($dir !== '.' && $dir !== '..' && is_dir($path . '/' . $dir) && strtolower($dir) !== 'cvs' && strtolower($dir) !== '.svn') {
						$dirlist[] = $dir;
					}
				}
				closedir($base);
			}

			foreach ($uri_array as $value)
			{
				$temp = explode(',', $value);
				if (isset ($temp[0]) && $temp[0] != '' && isset ($temp[1]) && $temp[1] != '')
				{
					$_GET[$temp[0]] = $temp[1];
					$_REQUEST[$temp[0]] = $temp[1];

					// check to ensure component actually exists
					if ($temp[0] == 'option')
					{
						$check = '';
						if (count($dirlist)) {
							foreach ($dirlist as $dir) {
								if ($temp[1] == $dir) {
									$check = 1;
									break;
								}
							}
						}
						// redirect to 404 page if no component found to match url
						if (!$check)
						{
							header('HTTP/1.0 404 Not Found');
							require_once ($mosConfig_absolute_path . '/templates/404.php');
							exit (404);
						}
					}

					if ($QUERY_STRING == '') {
						$QUERY_STRING .= "$temp[0]=$temp[1]";
					} else {
						$QUERY_STRING .= "&$temp[0]=$temp[1]";
					}
				}
			}

			$_SERVER['QUERY_STRING'] = $QUERY_STRING;
			$REQUEST_URI = $uri[0] . 'index.php?' . $QUERY_STRING;
			$_SERVER['REQUEST_URI'] = $REQUEST_URI;

		}
		// let this go through and the rest of the system should handle it properly
	}

}