873 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			873 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| require_once('bbcode.php');
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| 
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| function get_feed_for(&$a, $dfrn_id, $owner_id, $last_update, $direction = 0) {
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| 
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| 
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| 	// default permissions - anonymous user
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| 
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| 	$sql_extra = " 
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| 		AND `allow_cid` = '' 
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| 		AND `allow_gid` = '' 
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| 		AND `deny_cid`  = '' 
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| 		AND `deny_gid`  = '' 
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| 	";
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| 
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| 	if(strlen($owner_id) && ! intval($owner_id)) {
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| 		$r = q("SELECT `uid`, `nickname` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
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| 			dbesc($owner_id)
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| 		);
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| 		if(count($r)) {
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| 			$owner_id = $r[0]['uid'];
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| 			$owner_nick = $r[0]['nickname'];
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| 		}
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| 	}
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| 
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| 	$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
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| 		intval($owner_id)
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| 	);
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| 	if(count($r))
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| 		$owner = $r[0];
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| 	else
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| 		killme();
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| 
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| 	if($dfrn_id && $dfrn_id != '*') {
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| 
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| 		$sql_extra = '';
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| 		switch($direction) {
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| 			case (-1):
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| 				$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
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| 				$my_id = $dfrn_id;
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| 				break;
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| 			case 0:
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| 				$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 				$my_id = '1:' . $dfrn_id;
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| 				break;
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| 			case 1:
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| 				$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 				$my_id = '0:' . $dfrn_id;
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| 				break;
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| 			default:
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| 				return false;
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| 				break; // NOTREACHED
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| 		}
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| 
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| 		$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
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| 			intval($owner_id)
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| 		);
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| 
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| 		if(! count($r))
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| 			return false;
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| 
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| 		$contact = $r[0];
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| 		$groups = init_groups_visitor($contact['id']);
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| 
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| 		if(count($groups)) {
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| 			for($x = 0; $x < count($groups); $x ++) 
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| 				$groups[$x] = '<' . intval($groups[$x]) . '>' ;
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| 			$gs = implode('|', $groups);
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| 		}
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| 		else
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| 			$gs = '<<>>' ; // Impossible to match 
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| 
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| 		$sql_extra = sprintf(" 
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| 			AND ( `allow_cid` = '' OR     `allow_cid` REGEXP '<%d>' ) 
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| 			AND ( `deny_cid`  = '' OR NOT `deny_cid`  REGEXP '<%d>' ) 
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| 			AND ( `allow_gid` = '' OR     `allow_gid` REGEXP '%s' )
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| 			AND ( `deny_gid`  = '' OR NOT `deny_gid`  REGEXP '%s') 
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| 		",
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| 			intval($contact['id']),
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| 			intval($contact['id']),
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| 			dbesc($gs),
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| 			dbesc($gs)
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| 		);
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| 	}
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| 
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| 	if($dfrn_id === '' || $dfrn_id === '*')
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| 		$sort = 'DESC';
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| 	else
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| 		$sort = 'ASC';
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| 
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| 	if(! strlen($last_update))
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| 		$last_update = 'now - 30 days';
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| 
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| 	$check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
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| 
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| 	$r = q("SELECT `item`.*, `item`.`id` AS `item_id`, 
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| 		`contact`.`name`, `contact`.`photo`, `contact`.`url`, 
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| 		`contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
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| 		`contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`, 
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| 		`contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
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| 		FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
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| 		WHERE `item`.`uid` = %d AND `item`.`visible` = 1 
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| 		AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
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| 		AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
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| 		$sql_extra
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| 		ORDER BY `parent` %s, `created` ASC LIMIT 0, 300",
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| 		intval($owner_id),
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| 		dbesc($check_date),
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| 		dbesc($check_date),
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| 		dbesc($sort)
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| 	);
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| 
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| 	// Will check further below if this actually returned results.
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| 	// We will provide an empty feed in any case.
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| 
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| 	$items = $r;
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| 
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| 	$feed_template = load_view_file('view/atom_feed.tpl');
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| 	$tomb_template = load_view_file('view/atom_tomb.tpl');
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| 	$item_template = load_view_file('view/atom_item.tpl');
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| 	$cmnt_template = load_view_file('view/atom_cmnt.tpl');
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| 
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| 	$atom = '';
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| 
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| 	$hub = get_config('system','huburl');
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| 
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| 	$hubxml = '';
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| 	if(strlen($hub)) {
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| 		$hubs = explode(',', $hub);
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| 		if(count($hubs)) {
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| 			foreach($hubs as $h) {
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| 				$h = trim($h);
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| 				if(! strlen($h))
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| 					continue;
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| 				$hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
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| 			}
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| 		}
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| 	}
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| 
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| 	$salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ; 
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| 	$salmon = ''; // remove this line when salmon handler is finished
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| 
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| 	$atom .= replace_macros($feed_template, array(
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| 		'$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner_nick),
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| 		'$feed_title'   => xmlify($owner['name']),
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| 		'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
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| 		'$hub'          => $hubxml,
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| 		'$salmon'       => $salmon,
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| 		'$name'         => xmlify($owner['name']),
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| 		'$profile_page' => xmlify($owner['url']),
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| 		'$photo'        => xmlify($owner['photo']),
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| 		'$thumb'        => xmlify($owner['thumb']),
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| 		'$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
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| 		'$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
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| 		'$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) 
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| 	));
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| 
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| 
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| 	if(! count($items)) {
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| 		$atom .= '</feed>' . "\r\n";
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| 		return $atom;
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| 	}
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| 
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| 	foreach($items as $item) {
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| 
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| 		// public feeds get html, our own nodes use bbcode
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| 
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| 		if($dfrn_id === '*') {
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| 			$allow = (($item['last-child']) ? 1 : 0);
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| 			$item['body'] = bbcode($item['body']);
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| 			$type = 'html';
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| 		}
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| 		else {
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| 			$allow = ((($item['last-child']) && ($contact['rel']) && ($contact['rel'] != REL_FAN)) ? 1 : 0);
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| 			$type = 'text';
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| 		}
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| 
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| 		if($item['deleted']) {
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| 			$atom .= replace_macros($tomb_template, array(
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| 				'$id'      => xmlify($item['uri']),
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| 				'$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , ATOM_TIME))
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| 			));
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| 		}
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| 		else {
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| 			$verb = construct_verb($item);
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| 			$actobj = construct_activity($item);
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| 
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| 			if($item['parent'] == $item['id']) {
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| 				$atom .= replace_macros($item_template, array(
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| 					'$name'               => xmlify($item['name']),
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| 					'$profile_page'       => xmlify($item['url']),
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| 					'$thumb'              => xmlify($item['thumb']),
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| 					'$owner_name'         => xmlify($item['owner-name']),
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| 					'$owner_profile_page' => xmlify($item['owner-link']),
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| 					'$owner_thumb'        => xmlify($item['owner-avatar']),
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| 					'$item_id'            => xmlify($item['uri']),
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| 					'$title'              => xmlify($item['title']),
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| 					'$published'          => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
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| 					'$updated'            => xmlify(datetime_convert('UTC', 'UTC', $item['edited']  . '+00:00' , ATOM_TIME)),
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| 					'$location'           => xmlify($item['location']),
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| 					'$type'               => $type,
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| 					'$alt'           => xmlify($a->get_baseurl() . '/display/' . $owner_nick . '/' . $item['id']),
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| 					'$content'            => xmlify($item['body']),
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| 					'$verb'               => xmlify($verb),
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| 					'$actobj'             => $actobj,  // do not xmlify
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| 					'$comment_allow'      => $allow
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| 				));
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| 			}
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| 			else {
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| 				$atom .= replace_macros($cmnt_template, array(
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| 					'$name'          => xmlify($item['name']),
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| 					'$profile_page'  => xmlify($item['url']),
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| 					'$thumb'         => xmlify($item['thumb']),
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| 					'$item_id'       => xmlify($item['uri']),
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| 					'$title'         => xmlify($item['title']),
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| 					'$published'     => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
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| 					'$updated'       => xmlify(datetime_convert('UTC', 'UTC', $item['edited']  . '+00:00' , ATOM_TIME)),
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| 					'$type'          => $type,
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| 					'$content'       => xmlify($item['body']),
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| 					'$alt'           => xmlify($a->get_baseurl() . '/display/' . $owner_nick . '/' . $item['id']),
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| 					'$verb'          => xmlify($verb),
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| 					'$actobj'        => $actobj, // do not xmlify
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| 					'$parent_id'     => xmlify($item['parent-uri']),
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| 					'$comment_allow' => $allow
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| 				));
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| 			}
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| 		}
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| 	}
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| 
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| 	$atom .= '</feed>' . "\r\n";
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| 	return $atom;
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| }
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| 
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| 
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| function construct_verb($item) {
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| 	if($item['verb'])
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| 		return $item['verb'];
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| 	return ACTIVITY_POST;
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| }
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| 
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| function construct_activity($item) {
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| 
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| 	if($item['object']) {
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| 		$o = '<as:object>' . "\r\n";
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| 		$r = @simplexml_load_string($item['object']);
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| 		if($r->type)
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| 			$o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
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| 		if($r->id)
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| 			$o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
 | |
| 		if($r->link)
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| 			$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
 | |
| 		if($r->title)
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| 			$o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
 | |
| 		if($r->content)
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| 			$o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
 | |
| 		$o .= '</as:object>' . "\r\n";
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| 		return $o;
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| 	}
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| 
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| 	return '';
 | |
| } 
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| 
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| 
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| 
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| 
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| function get_atom_elements($item) {
 | |
| 
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| 	require_once('library/HTMLPurifier.auto.php');
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| 	require_once('include/html2bbcode.php');
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| 
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| 	$res = array();
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| 
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| 	$raw_author = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
 | |
| 	if($raw_author) {
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| 		if($raw_author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['rel'] === 'photo')
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| 		$res['author-avatar'] = unxmlify($raw_author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href']);
 | |
| 	}
 | |
| 
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| 	$author = $item->get_author();
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| 	$res['author-name'] = unxmlify($author->get_name());
 | |
| 	$res['author-link'] = unxmlify($author->get_link());
 | |
| 	if(! $res['author-avatar'])
 | |
| 		$res['author-avatar'] = unxmlify($author->get_avatar());
 | |
| 	$res['uri'] = unxmlify($item->get_id());
 | |
| 	$res['title'] = unxmlify($item->get_title());
 | |
| 	$res['body'] = unxmlify($item->get_content());
 | |
| 
 | |
| 	$maxlen = get_max_import_size();
 | |
| 	if($maxlen && (strlen($res['body']) > $maxlen))
 | |
| 		$res['body'] = substr($res['body'],0, $maxlen);
 | |
| 
 | |
| 	// It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust 
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| 	// the content type. Our own network only emits text normally, though it might have been converted to 
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| 	// html if we used a pubsubhubbub transport. But if we see even one html open tag in our text, we will
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| 	// have to assume it is all html and needs to be purified.
 | |
| 
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| 	// It doesn't matter all that much security wise - because before this content is used anywhere, we are 
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| 	// going to escape any tags we find regardless, but this lets us import a limited subset of html from 
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| 	// the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining 
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| 	// html.
 | |
| 
 | |
| 
 | |
| 	if(strpos($res['body'],'<')) {
 | |
| 
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| 		$res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 | |
| 			'[youtube]$1[/youtube]', $res['body']);
 | |
| 
 | |
| 		$config = HTMLPurifier_Config::createDefault();
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| 		$config->set('Core.DefinitionCache', null);
 | |
| 
 | |
| 		// we shouldn't need a whitelist, because the bbcode converter
 | |
| 		// will strip out any unsupported tags.
 | |
| 		// $config->set('HTML.Allowed', 'p,b,a[href],i'); 
 | |
| 
 | |
| 		$purifier = new HTMLPurifier($config);
 | |
| 		$res['body'] = $purifier->purify($res['body']);
 | |
| 	}
 | |
| 
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| 	
 | |
| 	$res['body'] = html2bbcode($res['body']);
 | |
| 
 | |
| 
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| 	$allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
 | |
| 	if($allow && $allow[0]['data'] == 1)
 | |
| 		$res['last-child'] = 1;
 | |
| 	else
 | |
| 		$res['last-child'] = 0;
 | |
| 
 | |
| 	$rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
 | |
| 	if($rawcreated)
 | |
| 		$res['created'] = unxmlify($rawcreated[0]['data']);
 | |
| 
 | |
| 	$rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
 | |
| 	if($rawlocation)
 | |
| 		$res['location'] = unxmlify($rawlocation[0]['data']);
 | |
| 
 | |
| 
 | |
| 	$rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
 | |
| 	if($rawedited)
 | |
| 		$res['edited'] = unxmlify($rawcreated[0]['data']);
 | |
| 
 | |
| 	$rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
 | |
| 	if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
 | |
| 		$res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
 | |
| 	elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
 | |
| 		$res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
 | |
| 	if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
 | |
| 		$res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
 | |
| 	elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
 | |
| 		$res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
 | |
| 
 | |
| 	if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['rel'] === 'photo')
 | |
| 		$res['owner-avatar'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href']);
 | |
| 	elseif($rawowner[0]['child'][NAMESPACE_DFRN]['avatar'][0]['data'])
 | |
| 		$res['owner-avatar'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']);
 | |
| 
 | |
| 	$rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
 | |
| 	// select between supported verbs
 | |
| 	if($rawverb)
 | |
| 		$res['verb'] = unxmlify($rawverb[0]['data']);
 | |
| 
 | |
| 	$rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
 | |
| 
 | |
| 
 | |
| 	if($rawobj) {
 | |
| 		$res['object'] = '<object>' . "\n";
 | |
| 		if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
 | |
| 			$res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'];
 | |
| 			$res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
 | |
| 		}	
 | |
| 		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
 | |
| 			$res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
 | |
| 		
 | |
| 		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['rel'] === 'alternate')
 | |
| 			$res['object'] .= '<link>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href'] . '</link>' . "\n";
 | |
| 		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
 | |
| 			$res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
 | |
| 		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
 | |
| 			$body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
 | |
| 			if(! $body)
 | |
| 				$body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
 | |
| 			if(strpos($body,'<')) {
 | |
| 
 | |
| 				$body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 | |
| 					'[youtube]$1[/youtube]', $body);
 | |
| 
 | |
| 				$config = HTMLPurifier_Config::createDefault();
 | |
| 				$config->set('Core.DefinitionCache', null);
 | |
| 
 | |
| 				$purifier = new HTMLPurifier($config);
 | |
| 				$body = $purifier->purify($body);
 | |
| 			}
 | |
| 
 | |
| 			$body = html2bbcode($body);
 | |
| 			$res['object'] .= '<content>' . $body . '</content>' . "\n";
 | |
| 		}
 | |
| 
 | |
| 		$res['object'] .= '</object>' . "\n";
 | |
| 	}
 | |
| 
 | |
| 	return $res;
 | |
| }
 | |
| 
 | |
| function item_store($arr) {
 | |
| 
 | |
| //print_r($arr);
 | |
| 
 | |
| 
 | |
| 	if($arr['gravity'])
 | |
| 		$arr['gravity'] = intval($arr['gravity']);
 | |
| 	elseif($arr['parent-uri'] == $arr['uri'])
 | |
| 		$arr['gravity'] = 0;
 | |
| 	elseif($arr['verb'] == ACTIVITY_POST)
 | |
| 		$arr['gravity'] = 6;
 | |
| 
 | |
| 	if(! x($arr,'type'))
 | |
| 		$arr['type'] = 'remote';
 | |
| 	$arr['wall'] = ((intval($arr['wall'])) ? 1 : 0);
 | |
| 	$arr['uri'] = notags(trim($arr['uri']));
 | |
| 	$arr['author-name'] = notags(trim($arr['author-name']));
 | |
| 	$arr['author-link'] = notags(trim($arr['author-link']));
 | |
| 	$arr['author-avatar'] = notags(trim($arr['author-avatar']));
 | |
| 	$arr['owner-name'] = notags(trim($arr['owner-name']));
 | |
| 	$arr['owner-link'] = notags(trim($arr['owner-link']));
 | |
| 	$arr['owner-avatar'] = notags(trim($arr['owner-avatar']));
 | |
| 	$arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
 | |
| 	$arr['edited']  = ((x($arr,'edited')  !== false) ? datetime_convert('UTC','UTC',$arr['edited'])  : datetime_convert());
 | |
| 	$arr['changed'] = datetime_convert();
 | |
| 	$arr['title'] = notags(trim($arr['title']));
 | |
| 	$arr['location'] = notags(trim($arr['location']));
 | |
| 	$arr['body'] = escape_tags(trim($arr['body']));
 | |
| 	$arr['last-child'] = intval($arr['last-child']);
 | |
| 	$arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1);
 | |
| 	$arr['deleted'] = 0;
 | |
| 	$arr['parent-uri'] = notags(trim($arr['parent-uri']));
 | |
| 	$arr['verb'] = notags(trim($arr['verb']));
 | |
| 	$arr['object-type'] = notags(trim($arr['object-type']));
 | |
| 	$arr['object'] = trim($arr['object']);
 | |
| 
 | |
| 	$parent_id = 0;
 | |
| 	$parent_missing = false;
 | |
| 
 | |
| 	dbesc_array($arr);
 | |
| 
 | |
| 	$r = q("INSERT INTO `item` (`" 
 | |
| 			. implode("`, `", array_keys($arr)) 
 | |
| 			. "`) VALUES ('" 
 | |
| 			. implode("', '", array_values($arr)) 
 | |
| 			. "')" );
 | |
| 
 | |
| 	// find the parent and snarf the item id and ACL's
 | |
| 
 | |
| 	$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 		dbesc($arr['parent-uri']),
 | |
| 		intval($arr['uid'])
 | |
| 	);
 | |
| 
 | |
| 	if(count($r)) {
 | |
| 		$parent_id = $r[0]['id'];
 | |
| 		$allow_cid = $r[0]['allow_cid'];
 | |
| 		$allow_gid = $r[0]['allow_gid'];
 | |
| 		$deny_cid  = $r[0]['deny_cid'];
 | |
| 		$deny_gid  = $r[0]['deny_gid'];
 | |
| 	}
 | |
| 	else {
 | |
| 		$parent_missing = true;
 | |
| 	}
 | |
| 
 | |
| 	$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 		$arr['uri'],           // already dbesc'd
 | |
| 		intval($arr['uid'])
 | |
| 	);
 | |
| 	if(count($r))
 | |
| 		$current_post = $r[0]['id'];
 | |
| 	else
 | |
| 		return 0;
 | |
| 
 | |
| 	if($parent_missing) {
 | |
| 
 | |
| 		// perhaps the parent was deleted, but in any case, this thread is dead
 | |
| 		// and unfortunately our brand new item now has to be destroyed
 | |
| 
 | |
| 		q("DELETE FROM `item` WHERE `id` = %d LIMIT 1",
 | |
| 			intval($current_post)
 | |
| 		);
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	// Set parent id - all of the parent's ACL's are also inherited by this post
 | |
| 
 | |
| 	$r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
 | |
| 		`deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d LIMIT 1",
 | |
| 		intval($parent_id),
 | |
| 		dbesc($allow_cid),
 | |
| 		dbesc($allow_gid),
 | |
| 		dbesc($deny_cid),
 | |
| 		dbesc($deny_gid),
 | |
| 		intval($current_post)
 | |
| 	);
 | |
| 
 | |
| 	return $current_post;
 | |
| }
 | |
| 
 | |
| function get_item_contact($item,$contacts) {
 | |
| 	if(! count($contacts) || (! is_array($item)))
 | |
| 		return false;
 | |
| 	foreach($contacts as $contact) {
 | |
| 		if($contact['id'] == $item['contact-id']) {
 | |
| 			return $contact;
 | |
| 			break; // NOTREACHED
 | |
| 		}
 | |
| 	}
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| 
 | |
| function dfrn_deliver($owner,$contact,$atom,$debugging = false) {
 | |
| 
 | |
| 
 | |
| 	if((! strlen($contact['dfrn-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY)))
 | |
| 		return 3;
 | |
| 
 | |
| 	$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 | |
| 
 | |
| 	if($contact['duplex'] && $contact['dfrn-id'])
 | |
| 		$idtosend = '0:' . $orig_id;
 | |
| 	if($contact['duplex'] && $contact['issued-id'])
 | |
| 		$idtosend = '1:' . $orig_id;		
 | |
| 
 | |
| 	$url = $contact['notify'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION ;
 | |
| 
 | |
| 	if($debugging)
 | |
| 		echo "URL: $url\n";
 | |
| 
 | |
| 	$xml = fetch_url($url);
 | |
| 
 | |
| 	if($debugging)
 | |
| 		echo $xml;
 | |
| 
 | |
| 	if(! $xml)
 | |
| 		return 3;
 | |
| 
 | |
| 	$res = simplexml_load_string($xml);
 | |
| 
 | |
| 	if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
 | |
| 		return (($res->status) ? $res->status : 3);
 | |
| 
 | |
| 	$postvars     = array();
 | |
| 	$sent_dfrn_id = hex2bin($res->dfrn_id);
 | |
| 	$challenge    = hex2bin($res->challenge);
 | |
| 
 | |
| 	$final_dfrn_id = '';
 | |
| 
 | |
| 
 | |
| 
 | |
| 	if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
 | |
| 		openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
 | |
| 		openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
 | |
| 	}
 | |
| 	else {
 | |
| 		openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
 | |
| 		openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
 | |
| 	}
 | |
| 
 | |
| 	$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 | |
| 
 | |
| 	if(strpos($final_dfrn_id,':') == 1)
 | |
| 		$final_dfrn_id = substr($final_dfrn_id,2);
 | |
| 
 | |
| 	if($final_dfrn_id != $orig_id) {
 | |
| 		if($debugging)
 | |
| 			echo "Wrong ID - did not decode\n";
 | |
| 		// did not decode properly - cannot trust this site 
 | |
| 		return 3;
 | |
| 	}
 | |
| 
 | |
| 	$postvars['dfrn_id']      = $idtosend;
 | |
| 	$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 | |
| 
 | |
| 	if(($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked']) && (! $contact['readonly'])) {
 | |
| 		$postvars['data'] = $atom;
 | |
| 	}
 | |
| 	elseif($owner['page-flags'] == PAGE_COMMUNITY) {
 | |
| 		$postvars['data'] = $atom;
 | |
| 	}
 | |
| 	else {
 | |
| 		$postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
 | |
| 	}
 | |
| 
 | |
| 	$xml = post_url($contact['notify'],$postvars);
 | |
| 
 | |
| 	if($debugging) {
 | |
| 		echo "SENDING: " . print_r($postvars,true) . "\n";
 | |
| 		echo "RECEIVING: " . $xml;
 | |
| 	}
 | |
| 
 | |
| 	$res = simplexml_load_string($xml);
 | |
| 
 | |
| 	return $res->status;
 | |
|  
 | |
| }
 | |
| 
 | |
| 
 | |
| function consume_feed($xml,$importer,$contact, &$hub) {
 | |
| 
 | |
| 	require_once('simplepie/simplepie.inc');
 | |
| 
 | |
| 	$feed = new SimplePie();
 | |
| 	$feed->set_raw_data($xml);
 | |
| 	$feed->enable_order_by_date(false);
 | |
| 	$feed->init();
 | |
| 
 | |
| 	// Check at the feed level for updated contact name and/or photo
 | |
| 
 | |
| 	$name_updated  = '';
 | |
| 	$new_name = '';
 | |
| 	$photo_timestamp = '';
 | |
| 	$photo_url = '';
 | |
| 
 | |
| 
 | |
| 	$hubs = $feed->get_links('hub');
 | |
| 
 | |
| 	if(count($hubs))
 | |
| 		$hub = implode(',', $hubs);
 | |
| 
 | |
| 	$rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
 | |
| 	if($rawtags) {
 | |
| 		$elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
 | |
| 		if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
 | |
| 			$name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
 | |
| 			$new_name = $elems['name'][0]['data'];
 | |
| 		} 
 | |
| 		if(($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
 | |
| 			$photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
 | |
| 			$photo_url = $elems['link'][0]['attribs']['']['href'];
 | |
| 		}
 | |
| 	}
 | |
| 	if(! $photo_timestamp) {
 | |
| 		$photo_rawupdate = $feed->get_feed_tags(NAMESPACE_DFRN,'icon-updated');
 | |
| 		if($photo_rawupdate) {
 | |
| 			$photo_timestamp = datetime_convert('UTC','UTC',$photo_rawupdate[0]['data']);
 | |
| 			$photo_url = $feed->get_image_url();
 | |
| 		}
 | |
| 	}
 | |
| 	if(($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
 | |
| 
 | |
| 		require_once("Photo.php");
 | |
| 		$photo_failure = false;
 | |
| 
 | |
| 		$r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
 | |
| 			intval($contact['id']),
 | |
| 			intval($contact['uid'])
 | |
| 		);
 | |
| 		if(count($r)) {
 | |
| 			$resource_id = $r[0]['resource-id'];
 | |
| 			$img_str = fetch_url($photo_url,true);
 | |
| 			$img = new Photo($img_str);
 | |
| 			if($img->is_valid()) {
 | |
| 				q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d AND `uid` = %d",
 | |
| 					dbesc($resource_id),
 | |
| 					intval($contact['id']),
 | |
| 					intval($contact['uid'])
 | |
| 				);
 | |
| 
 | |
| 				$img->scaleImageSquare(175);
 | |
| 				
 | |
| 				$hash = $resource_id;
 | |
| 				$r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 4);
 | |
| 				
 | |
| 				$img->scaleImage(80);
 | |
| 				$r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 5);
 | |
| 				if($r)
 | |
| 					q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 | |
| 						dbesc(datetime_convert()),
 | |
| 						intval($contact['uid']),
 | |
| 						intval($contact['id'])
 | |
| 					);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if(($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
 | |
| 		q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 | |
| 			dbesc(notags(trim($new_name))),
 | |
| 			dbesc(datetime_convert()),
 | |
| 			intval($contact['uid']),
 | |
| 			intval($contact['id'])
 | |
| 		);
 | |
| 	}
 | |
| 
 | |
| 	// Now process the feed
 | |
| 	if($feed->get_item_quantity()) {		
 | |
| 		foreach($feed->get_items() as $item) {
 | |
| 
 | |
| 			$deleted = false;
 | |
| 
 | |
| 			$rawdelete = $item->get_item_tags( NAMESPACE_TOMB, 'deleted-entry');
 | |
| 			if(isset($rawdelete[0]['attribs']['']['ref'])) {
 | |
| 				$uri = $rawthread[0]['attribs']['']['ref'];
 | |
| 				$deleted = true;
 | |
| 				if(isset($rawdelete[0]['attribs']['']['when'])) {
 | |
| 					$when = $rawthread[0]['attribs']['']['when'];
 | |
| 					$when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 | |
| 				}
 | |
| 				else
 | |
| 					$when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 | |
| 			}
 | |
| 			if($deleted) {
 | |
| 				$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 					dbesc($uri),
 | |
| 					intval($importer['uid'])
 | |
| 				);
 | |
| 				if(count($r)) {
 | |
| 					$item = $r[0];
 | |
| 					if($item['uri'] == $item['parent-uri']) {
 | |
| 						$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
 | |
| 							`body` = '', `title` = ''
 | |
| 							WHERE `parent-uri` = '%s' AND `uid` = %d",
 | |
| 							dbesc($when),
 | |
| 							dbesc(datetime_convert()),
 | |
| 							dbesc($item['uri']),
 | |
| 							intval($importer['uid'])
 | |
| 						);
 | |
| 					}
 | |
| 					else {
 | |
| 						$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
 | |
| 							`body` = '', `title` = '' 
 | |
| 							WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 							dbesc($when),
 | |
| 							dbesc(datetime_convert()),
 | |
| 							dbesc($uri),
 | |
| 							intval($importer['uid'])
 | |
| 						);
 | |
| 						if($item['last-child']) {
 | |
| 							// ensure that last-child is set in case the comment that had it just got wiped.
 | |
| 							$q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 | |
| 								dbesc(datetime_convert()),
 | |
| 								dbesc($item['parent-uri']),
 | |
| 								intval($item['uid'])
 | |
| 							);
 | |
| 							// who is the last child now? 
 | |
| 							$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d 
 | |
| 								ORDER BY `created` DESC LIMIT 1",
 | |
| 									dbesc($item['parent-uri']),
 | |
| 									intval($importer['uid'])
 | |
| 							);
 | |
| 							if(count($r)) {
 | |
| 								q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 | |
| 									intval($r[0]['id'])
 | |
| 								);
 | |
| 							}
 | |
| 						}	
 | |
| 					}
 | |
| 				}	
 | |
| 				continue;
 | |
| 			}
 | |
| 
 | |
| 
 | |
| 			$is_reply = false;		
 | |
| 			$item_id = $item->get_id();
 | |
| 			$rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
 | |
| 			if(isset($rawthread[0]['attribs']['']['ref'])) {
 | |
| 				$is_reply = true;
 | |
| 				$parent_uri = $rawthread[0]['attribs']['']['ref'];
 | |
| 			}
 | |
| 
 | |
| 
 | |
| 			if($is_reply) {
 | |
| 	
 | |
| 				// Have we seen it? If not, import it.
 | |
| 	
 | |
| 				$item_id = $item->get_id();
 | |
| 	
 | |
| 				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 					dbesc($item_id),
 | |
| 					intval($importer['uid'])
 | |
| 				);
 | |
| 				// FIXME update content if 'updated' changes
 | |
| 				if(count($r)) {
 | |
| 					$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 | |
| 					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 | |
| 						$r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
 | |
| 							dbesc(datetime_convert()),
 | |
| 							dbesc($parent_uri),
 | |
| 							intval($importer['uid'])
 | |
| 						);
 | |
| 						$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s'  WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 							intval($allow[0]['data']),
 | |
| 							dbesc(datetime_convert()),
 | |
| 							dbesc($item_id),
 | |
| 							intval($importer['uid'])
 | |
| 						);
 | |
| 
 | |
| 					}
 | |
| 					continue;
 | |
| 				}
 | |
| 				$datarray = get_atom_elements($item);
 | |
| 				$datarray['parent-uri'] = $parent_uri;
 | |
| 				$datarray['uid'] = $importer['uid'];
 | |
| 				$datarray['contact-id'] = $contact['id'];
 | |
| 				if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 | |
| 					$datarray['type'] = 'activity';
 | |
| 					$datarray['gravity'] = GRAVITY_LIKE;
 | |
| 				}
 | |
| 
 | |
| 				$r = item_store($datarray);
 | |
| 				continue;
 | |
| 			}
 | |
| 
 | |
| 			else {
 | |
| 				// Head post of a conversation. Have we seen it? If not, import it.
 | |
| 
 | |
| 				$item_id = $item->get_id();
 | |
| 				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 					dbesc($item_id),
 | |
| 					intval($importer['uid'])
 | |
| 				);
 | |
| 				if(count($r)) {
 | |
| 					$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 | |
| 					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 | |
| 						$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 | |
| 							intval($allow[0]['data']),
 | |
| 							dbesc(datetime_convert()),
 | |
| 							dbesc($item_id),
 | |
| 							intval($importer['uid'])
 | |
| 						);
 | |
| 					}
 | |
| 					continue;
 | |
| 				}
 | |
| 				$datarray = get_atom_elements($item);
 | |
| 				$datarray['parent-uri'] = $item_id;
 | |
| 				$datarray['uid'] = $importer['uid'];
 | |
| 				$datarray['contact-id'] = $contact['id'];
 | |
| 				$r = item_store($datarray);
 | |
| 				continue;
 | |
| 
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| function subscribe_to_hub($url,$importer,$contact) {
 | |
| 
 | |
| 	if(is_array($importer)) {
 | |
| 		$r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
 | |
| 			intval($importer['uid'])
 | |
| 		);
 | |
| 	}
 | |
| 	if(! count($r))
 | |
| 		return;
 | |
| 
 | |
| 	$push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
 | |
| 
 | |
| 	// Use a single verify token, even if multiple hubs
 | |
| 
 | |
| 	$verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
 | |
| 
 | |
| 	$params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
 | |
| 
 | |
| 	if(! strlen($contact['hub-verify'])) {
 | |
| 		$r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1",
 | |
| 			dbesc($verify_token),
 | |
| 			intval($contact['id'])
 | |
| 		);
 | |
| 	}
 | |
| 
 | |
| 	post_url($url,$params);			
 | |
| 	return;
 | |
| 
 | |
| } |