/libs/link.php

<?php



if(!defined('mnminclude')){header('Location: ../error_404.php');die();}



class Link {

	var $id = 0;

	var $author = -1;

	var $username = false;

	var $randkey = 0;

	var $karma = 1;

	var $valid = true;

	var $date = false;

	var $published_date = 0;

	var $modified = 0;

	var $url = '';

	var $url_title = '';

	var $url_description = '';

	var $encoding = false;

	var $status = 'discard';

	var $type = '';

	var $category = 0;

	var $additional_cats = array();	

	var $votes = 0;

	var $comments = 0;

	var $reports = 0;

	var $title = '';

	var $title_url = '';

	var $tags = '';

	var $content = '';

	var $html = true;

	var $trackback = false;

	var $read = true;

	var $fullread = true;

	var $voted = false;

	var $link_field1 = '';

	var $link_field2 = '';

	var $link_field3 = '';

	var $link_field4 = '';

	var $link_field5 = '';

	var $link_field6 = '';

	var $link_field7 = '';

	var $link_field8 = '';

	var $link_field9 = '';

	var $link_field10 = '';

	var $link_field11 = '';

	var $link_field12 = '';

	var $link_field13 = '';

	var $link_field14 = '';

	var $link_field15 = '';

	var $link_group_id = 0;

	var $current_user_votes = 0;

	var $current_user_reports = 0;

	var $debug = false;

	var $check_saved = true; // check to see if the user has 'saved' this link. sidebarstories doesn't need to check (so don't waste time on it)

	var $get_author_info = true; // get information about the link_author. sidebarstories doesn't need this information (so don't waste time on it)

	var $check_friends = true; // see if the author is a friend of the logged in user.  sidebarstories doesn't need this information (so don't waste time on it)

	var $vote_from_this_ip=0; // if disable multiple vote from the same ip

	var $report_from_this_ip=0; // if disable multiple vote from the same ip



	function get($url) {

		$url=trim($url);



		if(CHECK_SPAM && $this->check_spam($url)){

			$this->valid = false;

			return;

		}

		if(Validate_URL != false){

			if($url != 'http://' && $url != ''){

				$r = new PliggHTTPRequest($url);

				$xxx = $r->DownloadToString();

			} else {

				$this->url='http://';

				$xxx = '';

			}

		}else{

			$xxx = "";

			$this->valid = true;

			$this->url=$url;

			return;

		}





		if(!($this->html = $xxx)) {

			return;

		}



		if($xxx == "BADURL") {

			$this->valid = false; return;

		}



		$this->valid = true;

		$this->url=$url;

		if(preg_match('/<title>(.+)<\/title>/', $this->html, $matches)) {

			$this->url_title=trim($matches[1]);

		}

		if(preg_match("'<meta name=\"description\" content=\"([^<]*?)\"\s?/?>'i", $this->html, $matches)) {

			$this->url_description=$matches[1];

		}else{

			// Fall back on the first <p> tag content

			$start = strpos($this->html, '<p>');

			$end = strpos($this->html, '</p>', $start);

			$paragraph = substr($this->html, $start, $end-$start+4);

			$paragraph = html_entity_decode(strip_tags($paragraph));

			// Make sure that it's over 100 characters in length

			if (strlen($paragraph)>100){

				$this->url_description=$paragraph;

			}

		}

		

		// Detect trackbacks

		if (sanitize($_POST['trackback'], 3) != '') {

			$this->trackback=trim(sanitize($_POST['trackback'], 3));

		} elseif (preg_match('/trackback:ping="([^"]+)"/i', $this->html, $matches) ||

			preg_match('/trackback:ping +rdf:resource="([^>]+)"/i', $this->html, $matches) ||

			preg_match('/<trackback:ping>([^<>]+)/i', $this->html, $matches)) {

			$this->trackback=trim($matches[1]);

		} elseif (preg_match('/<a[^>]+rel="trackback"[^>]*>/i', $this->html, $matches)) {

			if (preg_match('/href="([^"]+)"/i', $matches[0], $matches2)) {

				$this->trackback=trim($matches2[1]);

			}

		} elseif (preg_match('/<a[^>]+href=[^>]+>trackback<\/a>/i', $this->html, $matches)) {

			if (preg_match('/href="([^"]+)"/i', $matches[0], $matches2)) {

				$this->trackback=trim($matches2[1]);

			}

		}



	}

	function type() {

		if (empty($this->type)) {

			return 'normal';

		}

		return $this->type;

	}



	function store() {

		global $db, $current_user;



		// DB 09/03/08

		if(!is_numeric($this->id)){return false;}

		/////

		$this->store_basic();

		$link_url = $db->escape($this->url);

		$link_url_title = $db->escape($this->url_title);

		$link_url_description = $db->escape($this->url_description);

		$link_title = $db->escape($this->title);

		$link_title_url = $db->escape($this->title_url);

		if($link_title_url == ""){$link_title_url = makeUrlFriendly($this->title, $this->id);}

		$link_tags = $db->escape($this->tags);

		$link_content = $db->escape($this->content);

		$link_field1 = $db->escape($this->link_field1);

		$link_field2 = $db->escape($this->link_field2);

		$link_field3 = $db->escape($this->link_field3);

		$link_field4 = $db->escape($this->link_field4);

		$link_field5 = $db->escape($this->link_field5);

		$link_field6 = $db->escape($this->link_field6);

		$link_field7 = $db->escape($this->link_field7);

		$link_field8 = $db->escape($this->link_field8);

		$link_field9 = $db->escape($this->link_field9);

		$link_field10 = $db->escape($this->link_field10);

		$link_field11 = $db->escape($this->link_field11);

		$link_field12 = $db->escape($this->link_field12);

		$link_field13 = $db->escape($this->link_field13);

		$link_field14 = $db->escape($this->link_field14);

		$link_field15 = $db->escape($this->link_field15);

		$link_group_id = $db->escape($this->link_group_id);

		$link_summary = $db->escape($this->link_summary);



		// Save old SEO URL if changed

		$old_url = $db->get_var("SELECT link_title_url FROM " . table_links . " WHERE link_id={$this->id}");

		if ($old_url && $old_url != $this->title_url)

		    $db->query("INSERT INTO ".table_old_urls." SET old_link_id={$this->id}, old_title_url='$old_url'");



		$sql = "UPDATE " . table_links . " set link_summary='$link_summary', link_title_url='$link_title_url', link_url='$link_url', link_url_title='$link_url_title', link_title='$link_title', link_content='$link_content', link_tags='$link_tags', link_field1='$link_field1', link_field2='$link_field2', link_field3='$link_field3', link_field4='$link_field4', link_field5='$link_field5', link_field6='$link_field6', link_field7='$link_field7', link_field8='$link_field8', link_field9='$link_field9', link_field10='$link_field10', link_field11='$link_field11', link_field12='$link_field12', link_field13='$link_field13', link_field14='$link_field14', link_field15='$link_field15', link_group_id = $link_group_id WHERE link_id=$this->id";

		if($this->debug == true){echo '<hr>Store:'. $sql . '<hr>';}

		//echo "query".$sql;

		$db->query($sql);

		

		$pos = strrpos($_SERVER["SCRIPT_NAME"], "/");

		$script_name = substr($_SERVER["SCRIPT_NAME"], $pos + 1, 100);

		$script_name = str_replace(".php", "", $script_name);



	}



	function store_basic() {

		global $db, $current_user;



		// DB 09/03/08

		if(!is_numeric($this->id)){return false;}

		/////

		if(!$this->date) $this->date=time();

		$link_author = $this->author;

		$link_status = $this->status;

		$link_votes = $this->votes;

		$link_comments = $this->comments;

		$link_reports = $this->reports;

		$link_karma = $this->karma;

		$link_randkey = $this->randkey;

		$link_category = $this->category;

		$link_date = $this->date;

		if($this->published_date == 0){$this->published_date = 943941600;}

		$link_published_date = $this->published_date;

		$link_group_id = $this->link_group_id;



		$vars = array('link' => $this);

		check_actions('link_store_basic_pre_sql', $vars);		

		



		if($this->id===0) {

		

			if(buries_to_spam == 0) {

			

				$sql = "INSERT IGNORE INTO " . table_links . " (link_author, link_randkey, link_category, link_date, link_published_date, link_votes, link_karma, link_title, link_content ,link_group_id) VALUES ($link_author, $link_randkey, $link_category, FROM_UNIXTIME($link_date), FROM_UNIXTIME($link_published_date), $link_votes, $link_karma, '', '',$link_group_id)";

			} else {

				$sql = "INSERT IGNORE INTO " . table_links . " (link_author, link_status, link_randkey, link_category, link_date, link_published_date, link_votes, link_karma, link_title, link_content ,link_group_id) VALUES ($link_author, '$link_status', $link_randkey, $link_category, FROM_UNIXTIME($link_date), FROM_UNIXTIME($link_published_date), $link_votes, $link_karma, '', '',$link_group_id)";

			}

				

			if($this->debug == true){

				echo '<hr>store_basic:Insert:' . $sql . '<hr>';

			}

			$db->query($sql);

			$this->id = $db->insert_id;

		} else {

		// update

			if(buries_to_spam == 0) {

                 	$sql = "UPDATE " . table_links . " set `link_reports`=$link_reports, `link_comments`=$link_comments, link_author=$link_author, link_status='$link_status', link_randkey=$link_randkey, link_category='$link_category', link_modified=NULL, link_date=FROM_UNIXTIME($link_date), link_published_date=FROM_UNIXTIME($link_published_date), link_votes=$link_votes, link_karma=$link_karma, link_group_id=$link_group_id WHERE link_id=$this->id";

                        } else {

	                 $sql = "UPDATE " . table_links . " set `link_reports`=$link_reports, `link_comments`=$link_comments, link_author=$link_author, link_randkey=$link_randkey, link_category='$link_category', link_modified=NULL, link_date=FROM_UNIXTIME($link_date), link_published_date=FROM_UNIXTIME($link_published_date), link_votes=$link_votes, link_karma=$link_karma, link_group_id=$link_group_id WHERE link_id=$this->id";

                        }



			if($this->debug == true){

				echo '<hr>store_basic:Update:' . $sql . '<hr>';

			}

			$db->query($sql);



			$db->query("DELETE FROM ".table_additional_categories." WHERE ac_link_id={$this->id}");

		}



		foreach ($this->additional_cats as $cat)

		    $db->query("INSERT INTO ".table_additional_categories." SET ac_cat_id='".sanitize($cat,3)."', ac_link_id={$this->id}");

			

		$vars = array('link' => $this);

		check_actions('link_store_basic_post_sql', $vars);		



	}



	function read($usecache = TRUE) {

		global $db, $current_user, $cached_links;

		$id = $this->id;

		$this->rating = 0;

		if(!is_numeric($id)){return false;}

		// check to see if the link is cached

		// if it is, use it

		// if not, get from mysql and save to cache

		

		if (isset($cached_links[$id]) && $usecache == TRUE) {

			$link = $cached_links[$id];

		} else {

			$link = $db->get_row("SELECT " . table_links . ".* FROM " . table_links . " WHERE link_id = $id");

			$cached_links[$id] = $link;

		}

    

		if($link) {

			$this->author=$link->link_author;

			$this->userid=$link->link_author;

			$this->status=$link->link_status;

			$this->votes=$link->link_votes;

			$this->karma=$link->link_karma;

			$this->reports=$link->link_reports;

			$this->comments=$link->link_comments;

			$this->randkey=$link->link_randkey;

			$this->category=$link->link_category;

			$this->url= $link->link_url;

			$this->url= str_replace('&amp;', '&', $link->link_url);  

			$this->url_title=$link->link_url_title;

			$this->url_description=$link->link_url_description;

			$this->title=$link->link_title;

			$this->title_url=$link->link_title_url;

			$this->tags=$link->link_tags;

			$this->content=$link->link_content;     

// DB 01/08/09

			$this->date=strtotime($link->link_date);

//			$date=$link->link_date;

//			$this->date=$db->get_var("SELECT UNIX_TIMESTAMP('$date')");

			$this->published_date=strtotime($link->link_published_date);

//			$date=$link->link_published_date;

//			$this->published_date=$db->get_var("SELECT UNIX_TIMESTAMP('$date')");

			$this->modified=strtotime($link->link_modified);

//			$date=$link->link_modified;

//			$this->modified=$db->get_var("SELECT UNIX_TIMESTAMP('$date')");

/////

			$this->fullread = $this->read = true;

			$this->link_summary = $link->link_summary;



			$this->link_field1=$link->link_field1;

			$this->link_field2=$link->link_field2;

			$this->link_field3=$link->link_field3;

			$this->link_field4=$link->link_field4;

			$this->link_field5=$link->link_field5;

			$this->link_field6=$link->link_field6;

			$this->link_field7=$link->link_field7;

			$this->link_field8=$link->link_field8;

			$this->link_field9=$link->link_field9;

			$this->link_field10=$link->link_field10;

			$this->link_field11=$link->link_field11;

			$this->link_field12=$link->link_field12;

			$this->link_field13=$link->link_field13;

			$this->link_field14=$link->link_field14;

			$this->link_field15=$link->link_field15;

			$this->link_group_id=$link->link_group_id;



			$this->additional_cats = array();

			if ($results = $db->get_results("SELECT ac_cat_id FROM ".table_additional_categories." WHERE ac_link_id=$id", ARRAY_N))

			    foreach ($results as $cat)

			    	$this->additional_cats[] = $cat[0];

			

			return true;

		}

		$this->fullread = $this->read = false;

		return false;

	}



	function read_basic() {

		global $db, $current_user;

		$this->username = false;

		$this->fullread = false;

		$this->rating = 0;

		$id = $this->id;

		if(!is_numeric($id)){return false;}

		if(($link = $db->get_row("SELECT link_comments, link_author, link_status, link_randkey, link_category, link_date, link_votes, link_karma, link_published_date,link_group_id FROM " . table_links . " WHERE link_id = $id"))) {

			$this->author=$link->link_author;

			$this->votes=$link->link_votes;

			$this->karma=$link->link_karma;

			$this->status=$link->link_status;

			$this->randkey=$link->link_randkey;

			$this->category=$link->link_category;

			// DB 01/08/09

			$this->date=strtotime($link->link_date);

			//$date=$link->link_date;

			//$this->date=$db->get_var("SELECT UNIX_TIMESTAMP('$date')");

			$this->published_date=strtotime($link->link_published_date);

			//$date=$link->link_published_date;

			//$this->published_date=$db->get_var("SELECT UNIX_TIMESTAMP('$date')");

			/////

			$this->comments=$link->link_comments;

			$this->link_group_id=$link->link_group_id;

			$this->read = true;



			$this->additional_cats = array();

			if ($results = $db->get_results("SELECT ac_cat_id FROM ".table_additional_categories." WHERE ac_link_id=$id", ARRAY_N))

			    foreach ($results as $cat)

			    	$this->additional_cats[] = $cat[0];

			return true;

		}

		$this->read = false;

		return false;

	}



	function duplicates($url) {

		global $db;

		$link_url=$db->escape($url);

		$n = $db->get_var("SELECT count(*) FROM " . table_links . " WHERE link_url = '$link_url' AND link_status != 'discard'");

		return $n;

	}

	

	function duplicates_title($title) {

		global $db;

		$link_title=$db->escape($title);

		$n = $db->get_var("SELECT count(*) FROM " . table_links . " WHERE link_title = '$link_title' AND link_status != 'discard'");

		return $n;

	}



	

	function print_summary($type='full', $fetch = false, $link_summary_template = 'link_summary.tpl') {

		global $current_user, $globals, $the_template, $smarty, $ranklist, $db;



		// DB 09/03/08

		if(!is_numeric($this->id)){return false;}

		/////

		include_once('../internal/Smarty.class.php');



		$main_smarty = new Smarty;

		$main_smarty->compile_check=false;

		// enable caching at your own risk. this code is still experimental

		//$smarty->cache = true;

		$main_smarty->cache_lifetime = 120;



		$main_smarty->compile_dir = mnmpath."cache/";

		$main_smarty->template_dir = mnmpath."templates/";

		$main_smarty->cache_dir = mnmpath."cache/";



		$main_smarty->config_dir = "";

		$main_smarty->assign('pligg_language', pligg_language);

		$main_smarty->config_load(lang_loc . "/languages/lang_" . pligg_language . ".conf");

		

        $anonymous_can_vote = $db->get_var('SELECT var_value from ' . table_config . ' where var_name = "anonymous_vote";');

        $main_smarty->assign('anonymous_vote', $anonymous_can_vote);



		if(phpnum() == 4) {

			$main_smarty->force_compile = true;

		}



		$main_smarty = $this->fill_smarty($main_smarty, $type);



		$main_smarty->assign('use_title_as_link', use_title_as_link);

		$main_smarty->assign('open_in_new_window', open_in_new_window);

		$main_smarty->assign('the_template', The_Template);



		include mnminclude.'extra_fields_smarty.php';

	

		if($fetch == false){

			$main_smarty->display($the_template . '/' . $link_summary_template, 'story' . $this->id . "|" . $current_user->user_id . "|" . $type);

		} else {

			return $main_smarty->fetch($the_template . '/' . $link_summary_template, 'story' . $this->id . "|" . $current_user->user_id . "|" . $type);

		}

	}



	function fill_smarty($smarty, $type='full'){



		static $link_index=0;

		

		$link_index=$this->id;

		global $current_user, $globals, $the_template, $db, $ranklist;



	    if (!$ranklist)

	    {

		$users = $db->get_results("SELECT user_karma, COUNT(*) FROM ".table_users." WHERE user_level NOT IN ('Spammer') AND user_karma>0 GROUP BY user_karma ORDER BY user_karma DESC",ARRAY_N);

		$ranklist = array();

		$rank = 1;

		if ($users)

		    foreach ($users as $dbuser)

		    {

			$ranklist[$dbuser[0]] = $rank;

			$rank += $dbuser[1];

		    }

	    }



		// DB 08/04/08

		if(!is_numeric($this->id)){return false;}

		/////

		$smarty->assign('link_id', $this->id);



		if(!$this->read) return $smarty;



		$url = str_replace('&amp;', '&', htmlspecialchars($this->url));

		$url_short = txt_shorter($url);	



		if($this->url == "http://" || $this->url == ''){

			$url_short = "http://";

		} else {

			$parsed = parse_url($this->url);

			if(isset($parsed['scheme'])){$url_short = $parsed['scheme'] . "://" . $parsed['host'];}

		}

		$title_short = htmlspecialchars(utf8_wordwrap($this->title, 30, " ", 1));



		$smarty->assign('viewtype', $type);

		$smarty->assign('URL_tagcloud', getmyurl("tagcloud"));

		$smarty->assign('No_URL_Name', No_URL_Name);

		if(track_outgoing == true && $url_short != "http://"){ 

			if(track_outgoing_method == "id"){$smarty->assign('url', getmyurl("out", ($this->id)));}

			if(track_outgoing_method == "title"){$smarty->assign('url', getmyurl("outtitle", urlencode($this->title_url)));}

			if(track_outgoing_method == "url"){$smarty->assign('url', getmyurl("outurl", ($url)));}

		} else {

			$smarty->assign('url', ($url));

		}

		// DB 11/12/08

		if ($url_short == "http://" || $url_short == "://")

			$smarty->assign('enc_url', urlencode(my_base_url.$this->get_internal_url()));

		else

			$smarty->assign('enc_url', urlencode($url));

		/////

		$smarty->assign('url_short', $url_short);

		$smarty->assign('title_short', $title_short);

		$smarty->assign('title_url', urlencode($this->title_url));

		$smarty->assign('enc_title_short', urlencode($title_short));

		$smarty->assign('story_url', $this->get_internal_url());

		$previd = $db->get_var("SELECT link_title_url FROM ".table_links." WHERE link_status = 'published' AND link_id < $this->id ORDER BY link_id DESC LIMIT 1");

        $nextid = $db->get_var("SELECT link_title_url FROM ".table_links." WHERE link_status = 'published' AND link_id > $this->id ORDER BY link_id ASC  LIMIT 1");

        $smarty->assign('story_prev_url', getmyurl("storytitle", $previd));

        $smarty->assign('story_next_url', getmyurl("storytitle", $nextid));

		$smarty->assign('story_edit_url', getmyurl("editlink", $this->id));

		$smarty->assign('story_admin_url', getmyurl("admin_modify", $this->id));

		$smarty->assign('story_comment_count', $this->comments());

		$smarty->assign('story_status', $this->status);

		$smarty->assign('story_karma', $this->karma);

		

		if($type == "summary"){

			if($this->link_summary == ""){

				$smarty->assign('story_content', $this->truncate_content());

			} else {

				$smarty->assign('story_content', $this->link_summary);

			}

		}

		if($type == "full"){

			$smarty->assign('story_content', $this->content);

		}

		

		if($this->get_author_info == true){

			$smarty->assign('link_submitter', $this->username());

			$smarty->assign('submitter_profile_url', getmyurl('user', $this->username));

			$smarty->assign('submitter_rank', $ranklist[$this->userkarma]);

			$smarty->assign('user_extra_fields', $this->extra_field);

		}

		

		$smarty->assign('link_submit_time', $this->date);

		$smarty->assign('link_submit_timeago', txt_time_diff($this->date));

		$smarty->assign('link_submit_date', date('F, d Y g:i A',$this->date));

		$smarty->assign('link_published_time', $this->published_date);

		$smarty->assign('link_published_timeago', txt_time_diff($this->published_date));

		$smarty->assign('link_category', $this->category_name());

		if (Multiple_Categories)

		{

			$cats = array();

			foreach ($this->additional_cats as $cat)

			{

			    $url = $this->category_safe_name($cat);

			    if ($this->status == "published") $url = getmyurl("maincategory", $url);

			    if ($this->status == "new") $url = getmyurl("newcategory", $url);

			    if ($this->status == "discard") $url = getmyurl("discardedcategory", $url);

			    $cats[$url] = $this->category_name($cat);

			}

			$smarty->assign('link_additional_cats', $cats);

		}

		//assign category id to smarty, so we can use it in the templates. Needed for category colors!

		$smarty->assign('category_id', $this->category);



		global $URLMethod;



		{$catvar = $this->category_safe_name();}



		$smarty->assign('Voting_Method', Voting_Method);

		$this->votecount = $this->countvotes();

		if(Voting_Method == 2)

		{

			if (!$this->rating)

			    $this->rating = $this->rating($this->id)/2;

			$smarty->assign('link_rating', $this->rating);

			$smarty->assign('link_rating_width', $this->rating * 25);



			$current_user_id = $current_user->user_id;

			$jsLink = "vote($current_user_id, $this->id, $link_index, '" . md5($current_user_id . $this->randkey) . "', ";

			for ($stars = 1; $stars <= 5; $stars++) 

				$smarty->assign("link_shakebox_javascript_vote_{$stars}star", $jsLink . ($stars * 2) . ')' );



			$smarty->assign('vote_count', $this->votecount);

			

			if($this->votes($current_user_id) > 0){

				$smarty->assign('star_class', "-noh");

			} else {

				$smarty->assign('star_class', "");

			}

		}

		$smarty->assign('get_group_membered', $this->get_group_membered()); 

		if($this->status == "published"){$smarty->assign('category_url', getmyurl("maincategory", $catvar));}

		if($this->status == "new"){$smarty->assign('category_url', getmyurl("newcategory", $catvar));}

		if($this->status == "discard"){$smarty->assign('category_url', getmyurl("discardedcategory", $catvar));}



		$smarty->assign('trackback_url', get_trackback($this->id));

		$smarty->assign('user_logged_in', $current_user->user_login);

		$smarty->assign('randmd5', md5($current_user->user_id.$this->randkey));

		$smarty->assign('user_id', $this->author);

		$smarty->assign('current_user_id', $current_user_id);



		if(Enable_Extra_Fields){

			$main_smarty = $smarty; include mnminclude.'extra_fields_smarty.php'; $smarty=$main_smarty;

			$smarty->assign('link_field1', $this->link_field1);

			$smarty->assign('link_field2', $this->link_field2);

			$smarty->assign('link_field3', $this->link_field3);

			$smarty->assign('link_field4', $this->link_field4);

			$smarty->assign('link_field5', $this->link_field5);

			$smarty->assign('link_field6', $this->link_field6);

			$smarty->assign('link_field7', $this->link_field7);

			$smarty->assign('link_field8', $this->link_field8);

			$smarty->assign('link_field9', $this->link_field9);

			$smarty->assign('link_field10', $this->link_field10);

			$smarty->assign('link_field11', $this->link_field11);

			$smarty->assign('link_field12', $this->link_field12);

			$smarty->assign('link_field13', $this->link_field13);

			$smarty->assign('link_field14', $this->link_field14);

			$smarty->assign('link_field15', $this->link_field15);

		}

		$smarty->assign('link_group_id', $this->link_group_id);

		$smarty->assign('instpath', my_base_url . my_pligg_base . "/");		

		$smarty->assign('UseAvatars', do_we_use_avatars());

		$smarty->assign('Avatar', $avatars = get_avatar('all', "", "", "", $this->userid));

		$smarty->assign('Avatar_ImgSrc', $avatars['large']);

		$smarty->assign('Avatar_ImgSrcs', $avatars['small']);



		$canIhaveAccess = 0;

		$canIhaveAccess = $canIhaveAccess + checklevel('admin');

		$canIhaveAccess = $canIhaveAccess + checklevel('moderator');

		if($canIhaveAccess == 1)

			{$smarty->assign('isadmin', 'yes');}



		if($this->check_friends == true){

			// For Friends //

				include_once(mnminclude.'friend.php');

				$friend = new Friend;

				// make sure we're logged in and we didnt submit the link.

				if($current_user->user_id > 0 && $current_user->user_login != $this->username()){

					$friend_md5 = friend_MD5($current_user->user_login, $this->username());

					$smarty->assign('FriendMD5', $friend_md5);

		

					$isfriend = $friend->get_friend_status($this->author);

					if (!$isfriend)	{$friend_text = 'add to';	$friend_url = 'addfriend';}

						else{$friend_text = 'remove from';	$friend_url = 'removefriend';}

		

					$smarty->assign('Friend_Text', $friend_text);				

					$smarty->assign('user_add_remove', getmyurl('user', $this->username(), $friend_url));

				}

		

				$smarty->assign('Allow_Friends', Allow_Friends);

			// --- //

		}

		if($current_user->user_id != '')

		{

			$vars = array('author_id' => $this->author,'link_id' => $this->id);

			check_actions('friends_activity_function', $vars);

			if($vars['value'] == true){

				$smarty->assign('friendvoted', 1);

			}	

		}

		/*

		//for friends voting activity

		include_once(mnminclude.'friend.php');

		$friend = new Friend;

		$sql = 'SELECT ' . table_votes . '.*, ' . table_users . '.user_id FROM ' . table_votes . ' INNER JOIN ' . table_users . ' ON ' . table_votes . '.vote_user_id = ' . table_users . '.user_id WHERE (((' . table_votes . '.vote_value)>0) AND ((' . table_votes . '.vote_link_id)='.$this->id.') AND (' . table_votes . '.vote_type= "links"));';

		$voters = $db->get_results($sql);

		$voters = object_2_array($voters);

		foreach($voters as $key => $val)

		{

			$voteduserid = $val['user_id'];

			if($voteduserid == $friend->get_friend_status($this->author))

			{

				$friendvoted = 1;

			}

			$smarty->assign('friendvoted', $friendvoted);

		}*/

		if($this->check_saved == true){

			global $cached_saved_links;

			if(isset($cached_saved_links[$this->id])){

				$smarty->assign('link_mine', $cached_saved_links[$this->id]);

			} else {

				$smarty->assign('link_mine', $db->get_row("SELECT * FROM " . table_saved_links . " WHERE saved_user_id=$current_user->user_id AND saved_link_id=$this->id LIMIT 1;"));

			}

		}

		$smarty->assign('user_url_saved', getmyurl('user2', $current_user->user_login, 'saved'));

		

		$smarty->assign('user_add_links_private', getmyurl('user_add_links_private', $this->id));

		$smarty->assign('user_add_links_public', getmyurl('user_add_links_public', $this->id));

		

		$smarty->assign('group_story_links_publish', getmyurl('group_story_links_publish', $this->id));

		$smarty->assign('group_story_links_new', getmyurl('group_story_links_new', $this->id));

		$smarty->assign('group_story_links_discard', getmyurl('group_story_links_discard', $this->id));

		$smarty->assign('link_id',$this->id);   

		$smarty->assign('user_url_add_links', getmyurl('user_add_links', $this->id));

		$smarty->assign('user_url_remove_links', getmyurl('user_remove_links', $this->id));

		$smarty->assign('enable_tags', Enable_Tags);

		$smarty->assign('link_shakebox_index', $link_index);

		$smarty->assign('link_shakebox_votes', $this->votes);

	    $smarty->assign('link_shakebox_showbury', $this->reports);

		

		

		$this->get_current_user_votes($current_user->user_id);

		if(votes_per_ip > 0){

			$smarty->assign('vote_from_this_ip', $this->vote_from_this_ip);

			$smarty->assign('report_from_this_ip', $this->report_from_this_ip);

		}

			

		$smarty->assign('link_shakebox_currentuser_votes', $this->current_user_votes);

		$smarty->assign('link_shakebox_currentuser_reports', $this->current_user_reports);

         

		 

		if($this->reports == -1){

			// reporting was added to the svn and some people started using it

			// so in upgrade if someone already has the reports field, we set it to

			// -1. Then when we read() we check if -1. if it still is, update the count

			// from the votes table and store it into the link_reports field so we

			// don't have to look at the votes table again.

		

			$this->reports = $this->count_all_votes("<0");

			$this->store_basic();

			$smarty->assign('link_shakebox_reports', $this->reports);

		}



		$jslink = "vote($current_user->user_id,$this->id,$link_index," . "'" . md5($current_user->user_id.$this->randkey) . "',10)";

		$jsreportlink = "vote($current_user->user_id,$this->id,$link_index," . "'" . md5($current_user->user_id.$this->randkey) . "',-10)";

		$smarty->assign('link_shakebox_javascript_vote', $jslink);



		$jsunvote = "unvote($current_user->user_id,$this->id,$link_index," . "'" . md5($current_user->user_id.$this->randkey) . "',10)";

		$smarty->assign('link_shakebox_javascript_unvote', $jsunvote);

		

		$jsunbury = "unvote($current_user->user_id,$this->id,$link_index," . "'" . md5($current_user->user_id.$this->randkey) . "',-10)";

		$smarty->assign('link_shakebox_javascript_unbury', $jsunbury);

		

		$smarty->assign('link_shakebox_javascript_report', $jsreportlink);

		if(!defined('alltagtext')){

			// for pages like index, this ->display was being called for each story

			// which was sometimes 15+ times per page. this way it's just called once

			$smarty->display('blank.tpl'); //this is just to load the lang file so we can pull from it in php

			define('alltagtext', $smarty->get_config_vars('PLIGG_Visual_Tags_All_Tags')); 			

		}

		$alltagtext = alltagtext;

	

		if(Enable_Tags){

			$smarty->assign('tags', $this->tags);

			if (!empty($this->tags)) {

				$tags_words = str_replace(", ", ",", $this->tags);

				$tags_count = substr_count($tags_words, ',');

				if ($tags_count > 1){$tags_words = $tags_words;}



				$tag_array = explode(",", $tags_words);

				$c = count($tag_array);

				$tag_array[$c] = $this->tags;

 				$c++;

 				for($i=0; $i<=$c; $i++)

 				{

 					if(isset($tag_array[$i])){

						if ( $URLMethod == 1 ) { 

						    $tags_url_array[$i] = my_pligg_base . "/search.php?search=".urlencode(trim($tag_array[$i]))."&amp;tag=true";

						} elseif ( $URLMethod == 2) {

						    $tags_url_array[$i] = my_pligg_base . "/tag/" . urlencode(trim($tag_array[$i]));

				    }

				  }

 				}

 				$tag_array[$c - 1] = $alltagtext;



				$smarty->assign('tag_array', $tag_array);

				$smarty->assign('tags_url_array', $tags_url_array);



				$tags_url = urlencode($this->tags);

				$smarty->assign('tags_count', $tags_count);

				$smarty->assign('tags_words', $tags_words);

				$smarty->assign('tags_url', $tags_url);

			}

		}

		$smarty->assign('enable_group', enable_group);

		$smarty->assign('pagename', pagename);

		$smarty->assign('my_base_url', my_base_url);

		$smarty->assign('my_pligg_base', my_pligg_base);

		$smarty->assign('Default_Gravatar_Large', Default_Gravatar_Large);

			

		//$link_index++;

		$vars['smarty'] = $smarty;

		check_actions('lib_link_summary_fill_smarty', $vars);



		return $smarty;

	}





	//sharing membered group list

	function get_group_membered()

	{

		global $db, $main_smarty, $rows,$current_user;

		$current_userid = $current_user->user_id;

		if (!isset($this->group_membered) && $current_userid)

//		    $this->group_membered = $db->get_results("SELECT group_id,group_name FROM " . table_groups . " WHERE group_creator = $current_userid and group_status = 'Enable'");

		    $this->group_membered = $db->get_results("SELECT DISTINCT group_id,group_name FROM " . table_groups . " LEFT JOIN ".table_group_member." ON member_group_id=group_id AND member_user_id = $current_userid WHERE group_status = 'Enable' AND member_status='active'");



		$output = '';

		if ($this->group_membered)

			foreach($this->group_membered as $results)

				$output .= "<a class='group_member_share' href='".my_base_url.my_pligg_base."/group_share.php?link_id=".$this->id."&group_id=".$results->group_id."&user_id=".$current_user->user_id."' >".$results->group_name."</a><br />";



		return $output;



	}

	//--------------------------------------

	function truncate_content(){

		if(utf8_strlen($this->content) > StorySummary_ContentTruncate){

			

			 if(Auto_scroll==true){

				global $main_smarty;

				$content=	close_tags(utf8_substr($this->content, 0, StorySummary_ContentTruncate));

				$content.="<div class=\"read_more_article\" storyid=\"".$this->id."\" > ".$main_smarty->get_config_vars('PLIGG_Visual_Read_More')."</div>" ;

				$content.="<div class=\"read_more_story".$this->id." hide\" >";

				$content.=close_tags(utf8_substr($this->content, StorySummary_ContentTruncate,utf8_strlen($this->content) ));

				$content.="</div>";

				// echo $content;

				return $content;

			 }else{

			 

			 return close_tags(utf8_substr($this->content, 0, StorySummary_ContentTruncate)) . "...";

			 }

			 

			 }

		return $this->content;

	}



	function print_shake_box($smarty) {

		global $current_user;

	}



	function rating($linkid)

	{

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		$vote->link=$linkid;

		return $vote->rating();

	}



	function countvotes() {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		$vote->link=$this->id;

		return $vote->anycount();

	}



	function count_all_votes($value="> 0") {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		$vote->link=$this->id;

		return $vote->count_all($value);

	}



	function votes($user, $value="> 0") {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		$vote->user=$user;

		$vote->link=$this->id;

		return $vote->count($value);

	}



	function reports($user) {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		$vote->user=$user;

		$vote->link=$this->id;

		return $vote->reports();

	}



	// DB 11/10/08

	function votes_from_ip($ip='') {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		if ($ip)

		    $vote->ip=$ip;

		else {

		    require_once(mnminclude.'check_behind_proxy.php');

		    $vote->ip=check_ip_behind_proxy();

		}

		$vote->link=$this->id;

		return $vote->count();

	}



	function reports_from_ip($ip='') {

		require_once(mnminclude.'votes.php');



		$vote = new Vote;

		$vote->type='links';

		if ($ip)

		    $vote->ip=$ip;

		else {

		    require_once(mnminclude.'check_behind_proxy.php');

		    $vote->ip=check_ip_behind_proxy();

		}

		$vote->link=$this->id;

		return $vote->reports();

	}

	/////



	function get_current_user_votes($user) {

		require_once(mnminclude.'votes.php');

		

		$vote = new Vote;

		$vote->type='links';

		$vote->user=$user;

		$vote->link=$this->id;

		$results = $vote->user_list_all_votes();

		

		$votes = 0;

		$reports = 0;

		

		if(is_array($results)){

			foreach ($results as $row){

				if(isset($row->vote_value)){

				if($row->vote_value > 0){$votes = $votes + 1;}

				if($row->vote_value < 0){$reports = $reports + 1;}

			}

		}

		}

				

		$this->current_user_votes = $votes;

		$this->current_user_reports = $reports;

		

		if(votes_per_ip > 0 && $user==0){

		$ac_vote_from_IP=$this->votes_from_ip();

		if($ac_vote_from_IP<=1)

		 $ac_vote_from_IP=0;

		

		$ac_report_from_IP=$this->reports_from_ip();

		if($ac_report_from_IP<=1)

		$ac_report_from_IP=0;

		 	

		$this->vote_from_this_ip=$ac_vote_from_IP;

		$this->report_from_this_ip=$ac_report_from_IP;

		}

		

	}



	function remove_vote($user=0, $value=10) {

	

		$vote = new Vote;

		$vote->type='links';

		$vote->user=$user;

		$vote->link=$this->id;

		$vote->value=$value;

		$vote->remove();



			$vote = new Vote;

			$vote->type='links';

			$vote->link=$this->id;

			if(Voting_Method == 1){

				$this->votes=$vote->count();

				$this->reports = $this->count_all_votes("<0");

			}

			elseif(Voting_Method == 2){

				$this->votes=$vote->rating();

				$this->votecount=$vote->count();

				$this->reports = $this->count_all_votes("<0");

			}

			elseif(Voting_Method == 3){

				$this->votes=$vote->count();

				$this->votecount=$vote->count();

				$this->karma = $vote->karma();

				$this->reports = $this->count_all_votes("<0");

			}

			$this->store_basic();

			

			$vars = array('link' => $this);

			check_actions('link_remove_vote_post', $vars);

	}

	

	function insert_vote($user=0, $value=10) {

		global $anon_karma;

		require_once(mnminclude.'votes.php');

		if($value>10){$value=10;}

		$vote = new Vote;

		$vote->type='links';

		$vote->user=$user;

		$vote->link=$this->id;

		$vote->value=$value;

//		if($value<10) {$vote->value=($anon_karma/10)*$value;}

		if($user>0) {

			require_once(mnminclude.'user.php');

			$dbuser = new User($user);

			if($dbuser->id>0) 

				$vote->karma = $dbuser->karma;

		} elseif (!anonymous_vote) {

			return;

		} else {

			$vote->karma = $anon_karma;

		}

		if($vote->insert()) {

			$vote = new Vote;

			$vote->type='links';

			$vote->link=$this->id;

			if(Voting_Method == 1){

				$this->votes=$vote->count();

				$this->reports = $this->count_all_votes("<0");

			}

			elseif(Voting_Method == 2){

				$this->votes=$vote->rating();

				$this->votecount=$vote->count();

				$this->reports = $this->count_all_votes("<0");

			}

			elseif(Voting_Method == 3){

				$this->votes=$vote->count();

				$this->votecount=$vote->count();

				$this->karma = $vote->karma();

				$this->reports = $this->count_all_votes("<0");

			}

			$this->store_basic();

			$this->check_should_publish();

			

			$vars = array('vote' => $this);

			check_actions('link_insert_vote_post', $vars);		

			

			return true;

		}

		return false;

	}



	function check_should_publish(){

	

		$votes = $this->category_votes();

		// $votes must be explicitly cast to (int) to compare accurately

		if (!is_numeric($votes))

		    $votes = (int) votes_to_publish;

		else

		    $votes = (int) $votes;



		if(Voting_Method == 1){

			// check to see if we should change the status to publish

			if($this->status == 'new' && $this->votes>=$votes) {

				$now = time();

				$diff=$now-$this->date;

				$days=intval($diff/86400);

				if ($days <=days_to_publish) {

					$this->publish();

				}

			}

		}

		elseif(Voting_Method == 2){

			if($this->status == 'new' && $this->votes>=(rating_to_publish * 2) && $this->votecount>=$votes) {

				$now = time();

				$diff=$now-$this->date;

				$days=intval($diff/86400);

				if ($days <=days_to_publish+1000) {

					$this->publish();

				}

			}

		}

		elseif(Voting_Method == 3){

		    $karma = $this->category_karma();

		    if (!is_numeric($karma))

		    	$karma = karma_to_publish;

			if($this->status == 'new' && $this->karma>=$karma && $this->votecount>=$votes) {

				$now = time();

				$diff=$now-$this->date;

				$days=intval($diff/86400);

				if ($days <=days_to_publish) {



					$this->publish();

				}

			}

		}



		if(($this->status == 'new' || $this->status == 'discard') && buries_to_spam>0 && $this->reports>=buries_to_spam) {

			$this->status='discard';

			$this->store_basic();



			$vars = array('link_id' => $this->id);

			check_actions('story_spam', $vars);

		}

	}



	function category_votes() {

		// $the_cats is set in /libs/smartyvariables.php



		global $dblang, $the_cats, $main_smarty;



		foreach($the_cats as $cat){

			if($cat->category_id == $this->category)

				return $cat->category_votes; 

		}



		return $main_smarty->get_config_vars('PLIGG_Visual_Submit3Errors_NoCategory');

	}



	function category_karma() {

		global $dblang, $the_cats, $main_smarty;



		foreach($the_cats as $cat){

			if($cat->category_id == $this->category)

				return $cat->category_karma; 

		}



		return $main_smarty->get_config_vars('PLIGG_Visual_Submit3Errors_NoCategory');

	}



	function category_name($id=0) {

		// $the_cats is set in /libs/smartyvariables.php



		global $dblang, $the_cats, $main_smarty;

		if (!$id) $id = $this->category;



		foreach($the_cats as $cat){

			if($cat->category_id == $id)

//			if($cat->category_id == $this->category && $cat->category_lang == $dblang)

			{ 

				return $cat->category_name; 

			}

		}



		return $main_smarty->get_config_vars('PLIGG_Visual_Submit3Errors_NoCategory');

	}



	function category_safe_name($id=0) {

		// $the_cats is set in /libs/smartyvariables.php



		global $dblang, $the_cats;

		if (!$id) $id = $this->category;



		foreach($the_cats as $cat){

			if($cat->category_id == $id && $cat->category_lang == $dblang)

			{ 

				return $cat->category_safe_name; 

			}

		}

	}



	function category_safe_names() {

		$cats = array($this->category_safe_name());

		foreach ($this->additional_cats as $cat)

		    $cats[] = $this->category_safe_name($cat);

		sort($cats, SORT_STRING);



		return join(',',$cats);

	}



	

	function publish() {

		if(!$this->read) $this->read_basic();

		$this->published_date = time();



		totals_adjust_count($this->status, -1);

		totals_adjust_count('published', 1);



		$this->status = 'published';

		$this->store_basic();



		$vars = array('link_id' => $this->id);

		check_actions('link_published', $vars);

	}



	function username() {

		global $db;

		include_once(mnminclude.'user.php');



		$user = new User;

		$user->id = $this->author;

		$user->read();

	  

		$this->username = $user->username;

		$this->userkarma = $user->karma;

		$this->extra_field = $user->extra_field;

	    

		return $user->username;

	}





	function recalc_comments(){

		global $db;

		

		// DB 08/04/08

		if(!is_numeric($this->id)){return false;}

		/////

		$this->comments = $db->get_var("SELECT count(*) FROM " . table_comments . " WHERE comment_status='published' AND comment_link_id = $this->id");

	}





	function comments() {

		global $db;



		if(summarize_mysql == 1){		

			return $this->comments;

		}else{

		// DB 08/04/08

		if(!is_numeric($this->id)){return false;}

		/////

		return $db->get_var("SELECT count(*) FROM " . table_comments . " WHERE comment_status='published' AND comment_link_id = $this->id");

		}

	}



	function evaluate_formulas ()

	{

		global $db;

		

		$res = $db->get_results("select * from " . table_formulas . " where type = 'report' and enabled = 1;");

		if (!$res) return;

		foreach ($res as $formula) {

			$reports = $this->count_all_votes("< 0");

			$votes = $this->count_all_votes("> 0");



			$from = $this->date;

			$now = time();

			$diff=$now-$from;

			$hours=($diff/3600);

			$hours_since_submit = intval($hours * 100) / 100;



			$evalthis = 'if (' . $formula->formula . '){return "1";}else{return "0";}';

			if(eval($evalthis) == 1 && $this->status!='spam'){

				totals_adjust_count($this->status, -1);

				totals_adjust_count('discard', 1);



				$this->status = 'discard';

				$this->store_basic();



				$vars = array('link_id' => $this->id);

				check_actions('story_discard', $vars);

			} 

		}

		

	}

	

	function return_formula_system_version()

	{

		// 0.1 original

		// 0.2 added hours_since_submit

		

		return 0.2;

	}

	

	function adjust_comment($value)

	{

		$this->comments = $this->comments + $value;

	}



	function verify_ownership($authorid){

		global $db;

		

		// DB 09/03/08

		if(!is_numeric($this->id)){return false;}

		if(!is_numeric($authorid)){return false;}

		/////

		$sql = 'SELECT `link_id` from `' . table_links . '` WHERE `link_id` = ' . $this->id . ' AND `link_author` = ' . $authorid . ' ORDER BY `link_date` DESC LIMIT 1;';

		if($db->get_var($sql)){

			return true;

		} else {

			return false;

		}

	}



	function get_internal_url(){

		// returns the internal (comments page) url	

		if ($this->title_url == ""){

			return getmyurl("story", $this->id);

		} else {

			return getmyurl("storyURL", $this->category_safe_names(), urlencode($this->title_url), $this->id);

		}

	}

	

	function check_spam($text )

	{

		global $MAIN_SPAM_RULESET;

		global $USER_SPAM_RULESET;



		$regex_url   = "/(http:\/\/|https:\/\/|ftp:\/\/|www\.)([^\/\"<\s]*)/im";

		$mk_regex_array = array();

		preg_match_all($regex_url, $text, $mk_regex_array);



		for( $cnt=0; $cnt < count($mk_regex_array[2]); $cnt++ )

			{

			$test_domain = rtrim($mk_regex_array[2][$cnt],"\\");

			if (strlen($test_domain) > 3)

				{

				$domain_to_test = $test_domain . ".multi.surbl.org";

				if( strstr(gethostbyname($domain_to_test),'127.0.0'))

					{ logSpam( "surbl rejected $test_domain");  return true; }

				}

			}

		$retVal = $this->check_spam_rules($MAIN_SPAM_RULESET, strtoupper($text));

		if(!$retVal) { $retVal = $this->check_spam_rules($USER_SPAM_RULESET, strtoupper($text)); }



		return $retVal;

	}



	#####################################

	# check a file of local rules

	# . . the rules are written in a regex format for php

	#     . . or one entry per line eg: bigtimespammer.com on one line

	####################



	function check_spam_rules($ruleFile, $text)

	{

		if(!file_exists( $ruleFile)) { echo $ruleFile . " does not exist\n"; return false; }

		$handle = fopen( $ruleFile, "r");

		while (!feof($handle))

		{

			$buffer = fgets($handle, 4096);

			$splitbuffer = explode("####", $buffer);

			// Parse domain name from a line

			$expression = parse_url(trim($splitbuffer[0]),PHP_URL_HOST);

		   	if (!$expression) $expression = trim($splitbuffer[0]);

			// Make it regexp compatible

			$expression = str_replace('.','\.',$expression);

			// Check $text against http://<domain>

			if (strlen($expression) > 0 && preg_match("/\/\/([^\.]+\.)*$expression(\/|$)/i", $text))

			{ 

				$this->logSpam( "$ruleFile violation: $expression"); 

				return true; 

			}

		}

		fclose($handle);

		return false;

	}



	

	// log date, time, IP address and rule which triggered the spam	

	function logSpam($message)

	{

		global $SPAM_LOG_BOOK;



		$ip = "127.0.0.0";

		if(!empty($_SERVER["REMOTE_ADDR"])) { $ip = $_SERVER["REMOTE_ADDR"]; }

		$date = date('M-d-Y');

		$timestamp = time();



		$message = $date . "\t" . $timestamp . "\t" . $ip . "\t" . $message . "\n";



		$file = fopen( $SPAM_LOG_BOOK, "a");

		fwrite( $file, $message );

		fclose($file);

	}



}

class PliggHTTPRequest

{

   var $_fp;        // HTTP socket

   var $_url;        // full URL

   var $_host;        // HTTP host

   var $_protocol;    // protocol (HTTP/HTTPS)

   var $_uri;        // request URI

   var $_port;        // port



   // scan url

   function _scan_url()

   {

       $req = $this->_url;



       $pos = strpos($req, '://');

       $this->_protocol = strtolower(substr($req, 0, $pos));



       $req = substr($req, $pos+3);

       $pos = strpos($req, '/');

       if($pos === false)

           $pos = strlen($req);

       $host = substr($req, 0, $pos);



       if(strpos($host, ':') !== false)

       {

           list($this->_host, $this->_port) = explode(':', $host);

       }

       else

       {

           $this->_host = $host;

           $this->_port = ($this->_protocol == 'https') ? 443 : 80;

       }



       $this->_uri = substr($req, $pos);

       if($this->_uri == '')

           $this->_uri = '/';

   }



   // constructor

   function PliggHTTPRequest($url)

   {

		$this->_url = $url;

		$this->_scan_url();

   }



   // download URL to string

   function DownloadToString()

   {

       $crlf = "\r\n";



       // generate request

       $req = 'GET ' . $this->_uri . ' HTTP/1.0' . $crlf

           .    'Host: ' . $this->_host . $crlf

           .    $crlf;



	// fetch

	$this->_fp = fsockopen(($this->_protocol == 'https' ? 'tls://' : '') . $this->_host, $this->_port, $errno, $errstr, 20);

    //  $this->_fp = file_get_contents("http://www.money.21cbh.com");

	 //  var_dump($this->_fp);

      // die();

	if(!$this->_fp)

		return("BADURL");

	//fwrite($this->_fp, $req);

     //  while(is_resource($this->_fp) && $this->_fp && !feof($this->_fp))

      //     $response .= fread($this->_fp, 1024);

	  fputs($this->_fp, $req);

	      $html = '';

	      while (!feof($this->_fp))

	      {

	          $response.=fgets($this->_fp);

	      }

	 	  // var_dump($response);

	       // die();

       fclose($this->_fp);

	if (!strstr($response,'HTTP/'))

		return("BADURL");



       // split header and body

       $pos = strpos($response, $crlf . $crlf);

       if($pos === false)

           return($response);

       $header = substr($response, 0, $pos);

       $body = substr($response, $pos + 2 * strlen($crlf));

    //   var_dump($body);

      // die();

       // parse headers

       $headers = array();

       $lines = explode($crlf, $header);

       foreach($lines as $line)

           if(($pos = strpos($line, ':')) !== false)

               $headers[strtolower(trim(substr($line, 0, $pos)))] = trim(substr($line, $pos+1));

	   //var_dump($headers);

	   //die();



       // redirection?

       if(isset($headers['location']))

       {

           $http = new PliggHTTPRequest($headers['location']);

           return($http->DownloadToString($http));

       }

       else

       {

	   if (extension_loaded('iconv') && preg_match('/charset=(.+)$/',$headers['content-type'],$m))

		 //  if($m[1])

		$body = iconv("$m[1]","UTF-8",$body);

	   //var_dump($body);

	   //die();

        //$body = mb_convert_encoding($content, "UTF-8","gb2312");

           return($body);

       }

   }

}

?>