add activity target to items, allow multiple link relations

5 files changed, 138 insertions, 12 deletions

diff --git a/boot.php b/boot.php
index 5837f14d3..60fccc0ea 100644
--- a/boot.php
+++ b/boot.php
@@ -2,7 +2,7 @@
 
 set_time_limit(0);
 
-define ( 'BUILD_ID',               1013   );
+define ( 'BUILD_ID',               1014   );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.0'  );
 
 define ( 'EOL',                    "<br />\r\n"     );
@@ -61,6 +61,7 @@ define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' )
 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
+define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
diff --git a/database.sql b/database.sql
index 5b8141f7a..33f1e7949 100644
--- a/database.sql
+++ b/database.sql
@@ -174,6 +174,8 @@ CREATE TABLE IF NOT EXISTS `item` (
   `verb` char(255) NOT NULL,
   `object-type` char(255) NOT NULL,
   `object` text NOT NULL,
+  `target-type` char(255) NOT NULL,
+  `target` text NOT NULL,
   `resource-id` char(255) NOT NULL,
   `tag` mediumtext NOT NULL,
   `inform` mediumtext NOT NULL,
diff --git a/include/items.php b/include/items.php
index da85ed331..b016fa180 100644
--- a/include/items.php
+++ b/include/items.php
@@ -188,7 +188,7 @@ function construct_verb($item) {
 	return ACTIVITY_POST;
 }
 
-function construct_activity($item) {
+function construct_activity_object($item) {
 
 	if($item['object']) {
 		$o = '<as:object>' . "\r\n";
@@ -197,8 +197,12 @@ function construct_activity($item) {
 			$o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
 		if($r->id)
 			$o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
-		if($r->link)
-			$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
+		if($r->link) {
+			if(substr($r->link,0,1) === '&') 
+				$o .= unxmlify($r->link);
+			else
+				$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
+		}
 		if($r->title)
 			$o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
 		if($r->content)
@@ -210,6 +214,32 @@ function construct_activity($item) {
 	return '';
 } 
 
+function construct_activity_target($item) {
+
+	if($item['target']) {
+		$o = '<as:target>' . "\r\n";
+		$r = @simplexml_load_string($item['target']);
+		if($r->type)
+			$o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
+		if($r->id)
+			$o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
+		if($r->link) {
+			if(substr($r->link,0,1) === '&') 
+				$o .= unxmlify($r->link);
+			else
+				$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
+		}
+		if($r->title)
+			$o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
+		if($r->content)
+			$o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
+		$o .= '</as:target>' . "\r\n";
+		return $o;
+	}
+
+	return '';
+} 
+
 
 
 
@@ -391,9 +421,8 @@ function get_atom_elements($feed,$item) {
 		}	
 		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]['link'])
+			$res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</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']) {
@@ -419,9 +448,67 @@ function get_atom_elements($feed,$item) {
 		$res['object'] .= '</object>' . "\n";
 	}
 
+	$rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target');
+
+	if($rawobj) {
+		$res['target'] = '<target>' . "\n";
+		if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
+			$res['target'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
+		}	
+		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
+			$res['target'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
+
+		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
+			$res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
+		if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
+			$res['target'] .= '<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('Cache.DefinitionImpl', null);
+
+				$purifier = new HTMLPurifier($config);
+				$body = $purifier->purify($body);
+			}
+
+			$body = html2bbcode($body);
+			$res['target'] .= '<content>' . $body . '</content>' . "\n";
+		}
+
+		$res['target'] .= '</target>' . "\n";
+	}
+
 	return $res;
 }
 
+function encode_rel_links($links) {
+	$o = '';
+	if(! ((is_array($links)) && (count($links))))
+		return $o;
+	foreach($links as $link) {
+		$o .= '<link ';
+		if($link['attribs']['']['rel'])
+			$o .= 'rel="' . $link['attribs']['']['rel'] . '" ';
+		if($link['attribs']['']['type'])
+			$o .= 'type="' . $link['attribs']['']['type'] . '" ';
+		if($link['attribs']['']['href'])
+			$o .= 'type="' . $link['attribs']['']['href'] . '" ';
+		if($link['attribs'][NAMESPACE_MEDIA]['width'])
+			$o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
+		if($link['attribs'][NAMESPACE_MEDIA]['height'])
+			$o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
+		$o .= ' />' . "\n" ;
+	}
+	return xmlify($o);
+}
+
 function item_store($arr) {
 
 	if($arr['gravity'])
@@ -1050,9 +1137,12 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
 
 	$verb = construct_verb($item);
 	$o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
-	$actobj = construct_activity($item);
+	$actobj = construct_activity_object($item);
 	if(strlen($actobj))
 		$o .= $actobj;
+	$actarg = construct_activity_target($item);
+	if(strlen($actarg))
+		$o .= $actarg;
 
 	$mentioned = get_mentions($item);
 	if($mentioned)
diff --git a/mod/photos.php b/mod/photos.php
index 8d2805fde..298bc9907 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -259,6 +259,7 @@ function photos_post(&$a) {
 			if($x !== '@' && $x !== '#')
 				$rawtags = '#' . $rawtags;
 
+			$taginfo = array();
 			$tags = get_tags($rawtags);
 
 			if(count($tags)) {
@@ -273,12 +274,14 @@ function photos_post(&$a) {
 									if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
         		            			$profile = $link['@attributes']['href'];
 									if($link['@attributes']['rel'] === 'salmon') {
+										$salmon = '$url:' . str_replace(',','%sc',$link['@attributes']['href']);
 										if(strlen($inform))
 											$inform .= ',';
-                    					$inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
+                    					$inform .= $salmon;
 									}
 								}
 							}
+							$taginfo[] = array($newname,$profile,$salmon);
 						}
 						else {
 							$newname = $name;
@@ -297,12 +300,14 @@ function photos_post(&$a) {
 							}
 							if(count($r)) {
 								$profile = $r[0]['url'];
+								$notify = 'cid:' . $r[0]['id'];
 								if(strlen($inform))
 									$inform .= ',';
-								$inform .= 'cid:' . $r[0]['id'];
+								$inform .= $notify;
 							}
 						}
 						if($profile) {
+							$taginfo[] = array($newname,$profile,$notify);
 							if(strlen($str_tags))
 								$str_tags .= ',';
 							$profile = str_replace(',','%2c',$profile);
@@ -330,13 +335,36 @@ function photos_post(&$a) {
 				intval($item_id),
 				intval(local_user())
 			);
+
+			if(count($taginfo)) {
+				foreach($taginfo as $tagged) {
+//					$slap = create_photo_tag(local_user(),$item_id, $tagged);
+
+
+//					
+				}
+				// call notifier on new tag activity
+			}
+			
+//				$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+				
+//				$proc_debug = get_config('system','proc_debug');
+
+				// send the notification upstream/downstream as the case may be
+
+//				if($i[0]['visible'])
+//					proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" $proc_debug & ",
+//						array(),$foo));
+
+
+
 		}
 		goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
 		return; // NOTREACHED
 	}
 
 
-
+	// default post action - upload a photo
 
 	if(! x($_FILES,'userfile'))
 		killme();
diff --git a/update.php b/update.php
index 9c5caa0b5..68367343d 100644
--- a/update.php
+++ b/update.php
@@ -96,4 +96,9 @@ function update_1011() {
 
 function update_1012() {
 	q("ALTER TABLE `item` ADD `inform` MEDIUMTEXT NOT NULL AFTER `tag` ");
-}
\ No newline at end of file
+}
+
+function update_1013() {
+	q("ALTER TABLE `item` ADD `target-type` CHAR( 255 ) NOT NULL 
+		AFTER `object` , ADD `target` TEXT NOT NULL AFTER `target-type`");
+} 
\ No newline at end of file