pubsubhubbub endpoint

1 files changed, 234 insertions, 0 deletions

diff --git a/include/items.php b/include/items.php
index 42355cc3c..839baf4b6 100644
--- a/include/items.php
+++ b/include/items.php
@@ -570,3 +570,237 @@ function dfrn_deliver($contact,$atom,$debugging = false) {
 	return $res->status;
  
 }
+
+
+function consume_feed($xml,$importer,$contact) {
+
+	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 = '';
+
+	$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($img) {
+				q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d AND `uid` = %d",
+					dbesc($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? 
+							$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d 
+								ORDER BY `edited` DESC LIMIT 1",
+									dbesc($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;
+
+			}
+		}
+	}
+
+}
\ No newline at end of file