Просмотр файла album_rss.php

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<?php
/***************************************************************************
*					album_rss.php
*				-------------------
*	begin		: Mon, March 07, 2005
*	copyright	: (c) 2005, Egor Naklonyaeff
*	email		: [email protected]
*
*	$Id: album_rss.php,v 1.0.2 2005/04/21 20:20:00 chyduskam Exp $
*
*
***************************************************************************/

/***************************************************************************
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation; either version 2 of the License, or
*   (at your option) any later version.
****************************************************************************/
$ProgName='RSS Feed Album 1.0.2';
$verinfo='V102';
$mtime = microtime();
$mtime = explode(" ",$mtime);
$mtime = $mtime[1] + $mtime[0];
$starttime = $mtime;
// Set the relative path from this file to your phpBB root folder
$phpbb_root_path = './';
$album_root_path = $phpbb_root_path . 'album_mod/';
//
// BEGIN Includes of phpBB scripts
//
define ('IN_PHPBB', true);
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);
include($phpbb_root_path . 'includes/bbcode.'.$phpEx);
include($phpbb_root_path . 'includes/rss_config.'.$phpEx);
include($phpbb_root_path . 'includes/rss_functions.'.$phpEx);
//
// END Includes of phpBB scripts
//
$count = ( isset($HTTP_GET_VARS['c']) ) ? intval($HTTP_GET_VARS['c']) : DEFAULT_ITEMS;
$count = ( $count == 0 ) ? DEFAULT_ITEMS : $count;
$count = ( $count > MAX_ITEMS ) ? MAX_ITEMS : $count;
$needlogin=( (isset($HTTP_GET_VARS['login'])) or (isset($HTTP_GET_VARS['uid']))) ? true : false;
$no_limit=( isset($HTTP_GET_VARS['nolimit']) ) ? true : false;
$admin_mode=( isset($HTTP_GET_VARS['admin']) ) ? true : false;
$see_comments=((isset($HTTP_GET_VARS['comments'])) and (!$admin_mode)) ? true : false;
$cat_id = ( isset($HTTP_GET_VARS['cat_id']) ) ? intval($HTTP_GET_VARS['cat_id']) : '';
$sql_cat_where = ( (!empty($cat_id)) and ($cat_id!=0)) ? 'AND pic_cat_id =' . $cat_id : '';
if(!defined('PAGE_RSS')) define('PAGE_RSS', PAGE_INDEX);
$deadline=0;
if(isset($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE']))
{
    $deadline=strtotime($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE']);
	if(CACHE_TIME>0) if((time()-$deadline)<CACHE_TIME)
	{
        ExitWithHeader("304 Not Modified");
	}
}
//
// gzip_compression
//
$do_gzip_compress = FALSE;
$useragent = (isset($HTTP_SERVER_VARS['HTTP_USER_AGENT'])) ? $HTTP_SERVER_VARS['HTTP_USER_AGENT'] : getenv('HTTP_USER_AGENT');
if($use_cached && AUTOSTYLED and strpos($useragent,'MSIE'))$use_cached=false;
if ( $board_config['gzip_compress'] )
{
	$phpver = phpversion();
	if ( $phpver >= '4.0.4pl1' && ( strstr($useragent,'compatible') || strstr($useragent,'Gecko') ) )
	{
		if ( extension_loaded('zlib') )
		{
			ob_start('ob_gzhandler');
		}
	}
	else if ( $phpver > '4.0' )
	{
		if ( strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip') )
		{
			if ( extension_loaded('zlib') )
			{
				$do_gzip_compress = TRUE;
				ob_start();
				ob_implicit_flush(0);
 				header('Content-Encoding: gzip');
			}
		}
	}
}
// end gzip block
// BEGIN Session management
//
// Check user
$user_id=($needlogin)? rss_get_user() : ANONYMOUS;
if($user_id==ANONYMOUS && AUTOLOGIN)
{
	$userdata = session_pagestart($user_ip, PAGE_RSS);
	$user_id=$userdata["user_id"];
}
else $userdata=rss_session_begin($user_id, $user_ip, PAGE_RSS);
init_userprefs($userdata);
$username=$userdata["username"];

include($album_root_path . 'album_common.'.$phpEx);
//
// END session management
//
// Create main board url (some code borrowed from functions_post.php)
$script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
$site = ( $script_name != '' ) ? $script_name . '/album.' . $phpEx : 'album.'. $phpEx;
$index = ( $script_name != '' ) ? $script_name . '/album_page.' . $phpEx : 'album_page.'. $phpEx;
$thumbs = ( $script_name != '' ) ? $script_name . '/album_thumbnail.' . $phpEx : 'album_thumbnail.'. $phpEx;
$reply = ( $script_name != '' ) ? $script_name . '/album_comment.' . $phpEx : 'album_comment.'. $phpEx;
$server_name = trim($board_config['server_name']);
$server_protocol = ( $board_config['cookie_secure'] ) ? 'https://' : 'http://';
$server_port = ( $board_config['server_port'] <> 80 ) ? ':' . trim($board_config['server_port']) . '/' : '/';
$site_name = strip_tags($board_config['sitename']);
$site_description = strip_tags($board_config['site_desc']);
$index_site = $server_protocol . $server_name . $server_port . $site;
$index_url = $server_protocol . $server_name . $server_port . $index;
$thumb_url = $server_protocol . $server_name . $server_port . $thumbs;
$reply_url = $server_protocol . $server_name . $server_port . $reply;
//
// BEGIN Initialise template
//
if(isset($HTTP_GET_VARS['atom']))
{
    $template->set_filenames(array("body" => "atom_body.tpl"));
    $verinfo.="A";
}
else
{
	$template->set_filenames(array("body" => "rss_body.tpl"));
    $verinfo.="R";
}
//
// END Initialise template
//
if(isset($HTTP_GET_VARS['styled']) or (AUTOSTYLED and strpos($useragent,'MSIE')))
{
	$template->assign_block_vars('switch_enable_xslt', array());
}
$user_lang=$userdata['user_lang'];
if(empty($user_lang))$user_lang=$board_config['default_lang'];
$template->assign_vars(array(
	'S_CONTENT_ENCODING' => $lang['ENCODING'],
	'BOARD_URL' => $index_site,
	'BOARD_TITLE' => htmlspecialchars(undo_htmlspecialchars($lang['Photo_Album']."::".$site_name)),
	'PROGRAM' => $ProgName,
	'BOARD_DESCRIPTION' => htmlspecialchars(undo_htmlspecialchars($site_description)),
	'BOARD_MANAGING_EDITOR' => $board_config['board_email'],
	'BOARD_WEBMASTER' => $board_config['board_email'],
	'BUILD_DATE' => gmdate('D, d M Y H:i:s').' GMT',
	'ATOM_BUILD_DATE'=>gmdate("Y-m-d\TH:i:s")."Z",
	'READER' => $username,
	'L_AUTHOR' => $lang['Author'],
	'L_POSTED' => $lang['Posted'],
	'LANGUAGE'=>FormatLanguage($user_lang),
	'L_POST' => $lang['Post'])
);

// BEGIN Recent Photo
// Start check permissions
$sql_allowed_cat="";
$check_sel=($admin_mode)?0:1;
if($userdata['user_level']<>ADMIN)
{
	$album_user_access=personal_gallery_access(true,false);
	$not_allowed_cat=($album_user_access['view']==1 )?'':'0';
	$sql = "SELECT c.*
		FROM ". ALBUM_CAT_TABLE ." AS c
		WHERE cat_id <> 0";
	if( !($result = $db->sql_query($sql)) )
	{
        ExitWithHeader("500 Internal Server Error","Could not query categories list");
	}
	while( $row = $db->sql_fetchrow($result) )
	{
		$album_user_access = album_user_access($row['cat_id'], $row, 1, 0, 0, 0, 0, 0); // VIEW
		if($admin_mode)
		{
			if (($album_user_access['moderator']!=1) or ($row['cat_approval'] != MOD)) $not_allowed_cat .= ($not_allowed_cat == '') ? $row['cat_id'] : ',' . $row['cat_id'];
		}
		else
		{
			if ($album_user_access['view'] != 1) $not_allowed_cat .= ($not_allowed_cat == '') ? $row['cat_id'] : ',' . $row['cat_id'];
		}
	}
	$sql_not_allowed_cat=(empty($not_allowed_cat))?"":"AND pic_cat_id NOT IN ($not_allowed_cat)";
}
// End check permissions
$NotErrorFlag=false;
$sql_limit_time="";
if (!$no_limit and isset($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE'])) {
		$NotErrorFlag=true;
		$NotModifiedSince=strtotime($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE']);
		if($NotModifiedSince>0){
			 $sql_limit_time="AND pic_time > ".$NotModifiedSince;
             $sql_limit_comment_time="AND comment_time > ".$NotModifiedSince;
			 }
}

$sql = "SELECT pic_id, pic_title, pic_time, pic_desc, pic_username, pic_cat_id, pic_approval, cat_title
	FROM ".ALBUM_TABLE. " LEFT JOIN ".ALBUM_CAT_TABLE." ON (cat_id = pic_cat_id)
	WHERE pic_approval=$check_sel
	$sql_not_allowed_cat $sql_cat_where	$sql_limit_time
	ORDER  BY pic_time DESC
	LIMIT $count";
	$picrow = $db->sql_query($sql);
if ( !$picrow )
{
    ExitWithHeader("500 Internal Server Error","Failed obtaining list of active pictures");
}
else
{
    $topics = $db->sql_fetchrowset($picrow);
}
$LastPostTime=0;
if ( count($topics) == 0 )
{
    if(($NotErrorFlag) and (!$see_comments)) ExitWithHeader("304 Not Modified");
}
else
{
    // $topics contains all interesting data
    for ($i = 0; $i < count($topics); $i++)
    {
        $title = htmlspecialchars($topics[$i]['pic_title']);
        $url = $index_url . "?" . "pic_id=" . $topics[$i]['pic_id'];
        $thumb = $thumb_url . "?" . "pic_id=" . $topics[$i]['pic_id'];
        $reply = $reply_url. "?" . "pic_id=" . $topics[$i]['pic_id'];
        $author=htmlspecialchars($topics[$i]['pic_username']);
    	$description = '<a href="' . $url . '"><img src="' . $thumb . '" border="0" vspace="2" hspace="2"></a><br />';
    	$description .= $lang['Pic_Desc'].": ".nl2br($topics[$i]['pic_desc']);

    	$pic_time=RSSTimeFormat($topics[$i]['pic_time'],$userdata['user_timezone']);
    	if( $topics[$i]['pic_time']>$LastPostTime) $LastPostTime=$topics[$i]['pic_time'];
    	$subj=($topics[$i]['pic_cat_id']==0)? $lang['Users_Personal_Galleries']." ".$topics[$i]['pic_username'] : $topics[$i]['cat_title'];
        $subj=htmlspecialchars($subj);
        if($admin_mode)
        {
		$approval_mode = ($topics[$i]['pic_approval'] == 0) ? 'approval' : 'unapproval';
		$approval_link = '<br /><a href="'.$index_site."album_modcp.$phpEx?mode=$approval_mode&amp;pic_id=". $topics[$i]['pic_id'].'">';
		$approval_link .= ($topics[$i]['pic_approval'] == 0) ? '<b>'. $lang['Approve'] .'</b>' : $lang['Unapprove'];
		$approval_link .= '</a>';
        $description .=$approval_link;
        }
    	$description =htmlspecialchars($description);
        $template->assign_block_vars('post_item', array(
			'POST_URL' => $url,
			'FIRST_POST_URL' => $url,
			'REPLY_URL'=>$reply,
            'TOPIC_TITLE' =>$title,
			'AUTHOR0' => $author,
			'AUTHOR' => $author,
			'POST_TIME' => create_date($board_config['default_dateformat'], $topics[$i]['pic_time'], $board_config['board_timezone']).' (GMT ' . $board_config['board_timezone'] . ')',
			'ATOM_TIME'=>gmdate("Y-m-d\TH:i:s", $topics[$i]['pic_time'])."Z",
            'ATOM_TIME_M'=>gmdate("Y-m-d\TH:i:s", $topics[$i]['pic_time'])."Z",
			'POST_SUBJECT' => $post_subject,
			'FORUM_NAME' => $subj,
			'UTF_TIME'=>$pic_time,
			'POST_TEXT' => $description,
			'USER_SIG' => "",
			'TOPIC_REPLIES' => $post['topic_replies']
			)
		);

    }
}
// Check Comments
if($see_comments)
{
	$sql = "SELECT c.*,a.pic_id,a.pic_title,pic_username,pic_cat_id FROM ".ALBUM_COMMENT_TABLE." AS c,".ALBUM_TABLE." AS a
	WHERE comment_pic_id=pic_id
	$sql_not_allowed_cat $sql_limit_comment_time $sql_cat_where
	ORDER BY comment_time DESC
	LIMIT $count";
    $picrow = $db->sql_query($sql);
	if ( !$picrow )
	{
    	ExitWithHeader("500 Internal Server Error","Failed obtaining list of active pictures");
	}
	else
	{
    	$topics = $db->sql_fetchrowset($picrow);
	}
    if ( count($topics) == 0 )
{
    if(($NotErrorFlag) and ($LastPostTime==0)) ExitWithHeader("304 Not Modified");
}
else
{
    // $topics contains all interesting data
    for ($i = 0; $i < count($topics); $i++)
    {
        $title = htmlspecialchars($topics[$i]['pic_title']);
        $url = $reply_url . "?" . "pic_id=" . $topics[$i]['pic_id']."#".$topics[$i]['comment_id'];
        $thumb = $thumb_url . "?" . "pic_id=" . $topics[$i]['pic_id'];
        $reply = $reply_url. "?" . "pic_id=" . $topics[$i]['pic_id'];
        $author=htmlspecialchars($topics[$i]['comment_username']);
    	$description = $lang['Comments'].": ".nl2br($topics[$i]['comment_text'])."<br />";
    	$description .= '<a href="' . $url . '"><img src="' . $thumb . '" border="0" vspace="2" hspace="2"></a>';
    	$description =htmlspecialchars($description);
    	$pic_time=date("D, d M Y H:i:s O", $topics[$i]['comment_time']);
    	if( $topics[$i]['comment_time']>$LastPostTime) $LastPostTime=$topics[$i]['comment_time'];
    	$subj=$lang['Comments'];
        $subj=htmlspecialchars($subj);
        $template->assign_block_vars('post_item', array(
			'POST_URL' => $url,
			'FIRST_POST_URL' => $index_url . "?" . "pic_id=" . $topics[$i]['pic_id'],
			'REPLY_URL'=>$reply,
            'TOPIC_TITLE' =>$title,
			'AUTHOR0' => $author,
			'AUTHOR' => $author,
			'POST_TIME' => create_date($board_config['default_dateformat'], $topics[$i]['comment_time'], $board_config['board_timezone']).' (GMT ' . $board_config['board_timezone'] . ')',
			'ATOM_TIME'=>gmdate("Y-m-d\TH:i:s", $topics[$i]['pic_time'])."Z",
            'ATOM_TIME_M'=>gmdate("Y-m-d\TH:i:s", $topics[$i]['pic_time'])."Z",
			'POST_SUBJECT' => $post_subject,
			'FORUM_NAME' => $subj,
			'UTF_TIME'=>$pic_time,
			'POST_TEXT' => $description,
			'USER_SIG' => "",
			'TOPIC_REPLIES' => $post['topic_replies']
			)
		);

    }
}
}
// Check for E-Tag
$MyETag='"A'.gmdate("YmdHis", $LastPostTime).$verinfo.'"';
$MyGMTtime=gmdate("D, d M Y H:i:s", $LastPostTime)." GMT";
if(isset($HTTP_SERVER_VARS['HTTP_IF_NONE_MATCH'])&& ($HTTP_SERVER_VARS['HTTP_IF_NONE_MATCH']== $MyETag)) ExitWithHeader("304 Not Modified");
if(isset($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE']) && ($HTTP_SERVER_VARS['HTTP_IF_MODIFIED_SINCE'] == $MyGMTtime)) ExitWithHeader("304 Not Modified");
//
// BEGIN XML and nocaching headers (copied from page_header.php)
//
if (!empty($HTTP_SERVER_VARS['SERVER_SOFTWARE']) && strstr($HTTP_SERVER_VARS['SERVER_SOFTWARE'], 'Apache/2'))
{
	header ('Cache-Control: no-cache, pre-check=0, post-check=0, max-age=0');
}
else
{
	header ('Cache-Control: private, pre-check=0, post-check=0, max-age=0');
}
header("Last-Modified: ".$MyGMTtime);
header("Etag: ".$MyETag);
header("Expires: ".gmdate("D, d M Y H:i:s", time())." GMT");
header ('Content-Type: text/xml; charset='.$lang['ENCODING']);
//
// END Output XML page
//
$template->pparse('body');

$gzip_text = ($board_config['gzip_compress']) ? 'GZIP enabled' : 'GZIP disabled';
$mtime = microtime();
$mtime = explode(" ",$mtime);
$mtime = $mtime[1] + $mtime[0];
$endtime = $mtime;
$gentime = round(($endtime - $starttime), 4);
if($show_time) {
	echo '<!-- Page generation time: '.$gentime .'s ';
    if(SMARTOR_STATS) {
      	$sql_time = round($db->sql_time, 4);
 		$sql_part = round($sql_time / $gentime * 100);
 		$excuted_queries = $db->num_queries;
		$php_part = 100 - $sql_part;
		echo '(PHP: '. $php_part .'% - SQL: '. $sql_part .'%) - SQL queries: '. $excuted_queries;
     }
    echo  ' - '. $gzip_text.' -->';
}

$db->sql_close();
//
// Compress buffered output if required and send to browser
//
if ( $do_gzip_compress )
{
	//
	// Borrowed from php.net!
	//
	$gzip_contents = ob_get_contents();
	ob_end_clean();

	$gzip_size = strlen($gzip_contents);
	$gzip_crc = crc32($gzip_contents);

	$gzip_contents = gzcompress($gzip_contents, 9);
	$gzip_contents = substr($gzip_contents, 0, strlen($gzip_contents) - 4);

	echo "\x1f\x8b\x08\x00\x00\x00\x00\x00";
	echo $gzip_contents;
	echo pack('V', $gzip_crc);
	echo pack('V', $gzip_size);
}
exit;
?>