+ $atom .= atom_entry($item,$type,null,$owner,true);
+ }
+
+ call_hooks('atom_feed_end', $atom);
+
+ $atom .= '</feed>' . "\r\n";
+
+ return $atom;
+}
+
+
+function construct_verb($item) {
+ if($item['verb'])
+ return $item['verb'];
+ return ACTIVITY_POST;
+}
+
+function construct_activity_object($item) {
+
+ if($item['object']) {
+ $o = '<as:object>' . "\r\n";
+ $r = @simplexml_load_string($item['object']);
+ 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->title)
+ $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
+ if($r->link) {
+ if(substr($r->link,0,1) === '<')
+ $o .= $r->link;
+ else
+ $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
+ }
+ if($r->content)
+ $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
+ $o .= '</as:object>' . "\r\n";
+ return $o;
+ }
+
+ return '';
+}
+
+function construct_activity_target($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->title)
+ $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
+ if($r->link) {
+ if(substr($r->link,0,1) === '<')
+ $o .= $r->link;
+ else
+ $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
+ }
+ if($r->content)
+ $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
+ $o .= '</as:target>' . "\r\n";
+ return $o;
+ }
+
+ return '';
+}
+
+
+
+
+function get_atom_elements($feed,$item) {
+
+ require_once('library/HTMLPurifier.auto.php');
+ require_once('include/html2bbcode.php');
+
+ $best_photo = array();
+
+ $res = array();
+
+ $author = $item->get_author();
+ $res['author-name'] = unxmlify($author->get_name());
+ $res['author-link'] = unxmlify($author->get_link());
+ $res['uri'] = unxmlify($item->get_id());
+ $res['title'] = unxmlify($item->get_title());
+ $res['body'] = unxmlify($item->get_content());
+ $res['plink'] = unxmlify($item->get_link(0));
+
+ // look for a photo. We should check media size and find the best one,
+ // but for now let's just find any author photo
+
+ $rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
+
+ if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
+ $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
+ foreach($base as $link) {
+ if(! $res['author-avatar']) {
+ if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
+ $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
+ }
+ }
+ }
+
+ $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor');
+
+ if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
+ $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
+ if($base && count($base)) {
+ foreach($base as $link) {
+ if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
+ $res['author-link'] = unxmlify($link['attribs']['']['href']);
+ if(! $res['author-avatar']) {
+ if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
+ $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
+ }
+ }
+ }
+ }
+
+ // No photo/profile-link on the item - look at the feed level
+
+ if((! (x($res,'author-link'))) || (! (x($res,'author-avatar')))) {
+ $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
+ if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
+ $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
+ foreach($base as $link) {
+ if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
+ $res['author-link'] = unxmlify($link['attribs']['']['href']);
+ if(! $res['author-avatar']) {
+ if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
+ $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
+ }
+ }
+ }
+
+ $rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject');
+
+ if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
+ $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
+
+ if($base && count($base)) {
+ foreach($base as $link) {
+ if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
+ $res['author-link'] = unxmlify($link['attribs']['']['href']);
+ if(! (x($res,'author-avatar'))) {
+ if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
+ $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
+ }
+ }
+ }
+ }
+ }
+
+
+ /**
+ * If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
+ */
+
+ $have_real_body = false;
+
+ $rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env');
+ if($rawenv) {
+ $have_real_body = true;
+ $res['body'] = $rawenv[0]['data'];
+ $res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']);
+ // make sure nobody is trying to sneak some html tags by us
+ $res['body'] = notags(base64url_decode($res['body']));
+ }
+
+ $maxlen = get_max_import_size();
+ if($maxlen && (strlen($res['body']) > $maxlen))
+ $res['body'] = substr($res['body'],0, $maxlen);
+
+ // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
+ // the content type. Our own network only emits text normally, though it might have been converted to
+ // html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will
+ // have to assume it is all html and needs to be purified.
+
+ // It doesn't matter all that much security wise - because before this content is used anywhere, we are
+ // going to escape any tags we find regardless, but this lets us import a limited subset of html from
+ // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
+ // html.
+
+
+ if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
+
+ $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
+ '[youtube]$1[/youtube]', $res['body']);
+
+ $res['body'] = oembed_html2bbcode($res['body']);
+
+ $config = HTMLPurifier_Config::createDefault();
+ $config->set('Cache.DefinitionImpl', 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']);
+
+ $res['body'] = html2bbcode($res['body']);
+ }
+
+ $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
+ if($allow && $allow[0]['data'] == 1)
+ $res['last-child'] = 1;
+ else
+ $res['last-child'] = 0;
+
+ $private = $item->get_item_tags(NAMESPACE_DFRN,'private');
+ if($private && $private[0]['data'] == 1)
+ $res['private'] = 1;
+ else
+ $res['private'] = 0;
+
+
+ $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
+ if($rawlocation)
+ $res['location'] = unxmlify($rawlocation[0]['data']);
+
+
+ $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
+ if($rawcreated)
+ $res['created'] = unxmlify($rawcreated[0]['data']);
+
+
+ $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
+ if($rawedited)
+ $res['edited'] = unxmlify($rawedited[0]['data']);
+
+ if((x($res,'edited')) && (! (x($res,'created'))))
+ $res['created'] = $res['edited'];
+
+ if(! $res['created'])
+ $res['created'] = $item->get_date('c');
+
+ if(! $res['edited'])
+ $res['edited'] = $item->get_date('c');
+
+
+ $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']) {
+ $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
+
+ foreach($base as $link) {
+ if(! $res['owner-avatar']) {
+ if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
+ $res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
+ }
+ }
+ }
+
+ $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
+ if($rawgeo)
+ $res['coord'] = unxmlify($rawgeo[0]['data']);
+
+
+ $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
+
+ // select between supported verbs
+
+ if($rawverb) {
+ $res['verb'] = unxmlify($rawverb[0]['data']);
+ }
+
+ // translate OStatus unfollow to activity streams if it happened to get selected
+
+ if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
+ $res['verb'] = ACTIVITY_UNFOLLOW;
+
+
+
+ $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'])
+ $res['object'] .= '<link>' . encode_rel_links($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']) {
+ $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
+ if(! $body)
+ $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
+ // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
+ $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
+ if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
+
+ $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['object'] .= '<content>' . $body . '</content>' . "\n";
+ }
+
+ $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'];
+ // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
+ $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
+ if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
+
+ $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";
+ }
+
+ $arr = array('feed' => $feed, 'item' => $item, 'result' => $res);
+
+ call_hooks('parse_atom', $arr);
+
+ 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 .= 'href="' . $link['attribs']['']['href'] . '" ';
+ if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width'])
+ $o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
+ if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height'])
+ $o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
+ $o .= ' />' . "\n" ;
+ }
+ return xmlify($o);
+}
+
+function item_store($arr,$force_parent = false) {
+
+ if($arr['gravity'])
+ $arr['gravity'] = intval($arr['gravity']);
+ elseif($arr['parent-uri'] == $arr['uri'])
+ $arr['gravity'] = 0;
+ elseif(activity_match($arr['verb'],ACTIVITY_POST))
+ $arr['gravity'] = 6;
+ else
+ $arr['gravity'] = 6; // extensible catchall
+
+ if(! x($arr,'type'))
+ $arr['type'] = 'remote';
+
+ // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
+
+ if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
+ $arr['body'] = strip_tags($arr['body']);
+
+
+ $arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0);
+ $arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string());
+ $arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : '');
+ $arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : '');
+ $arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
+ $arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : '');
+ $arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : '');
+ $arr['owner-avatar'] = ((x($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();
+ $arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : '');
+ $arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : '');
+ $arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : '');
+ $arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 );
+ $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 );
+ $arr['deleted'] = 0;
+ $arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : '');
+ $arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : '');
+ $arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : '');
+ $arr['object'] = ((x($arr,'object')) ? trim($arr['object']) : '');
+ $arr['target-type'] = ((x($arr,'target-type')) ? notags(trim($arr['target-type'])) : '');
+ $arr['target'] = ((x($arr,'target')) ? trim($arr['target']) : '');
+ $arr['plink'] = ((x($arr,'plink')) ? notags(trim($arr['plink'])) : '');
+ $arr['allow_cid'] = ((x($arr,'allow_cid')) ? trim($arr['allow_cid']) : '');
+ $arr['allow_gid'] = ((x($arr,'allow_gid')) ? trim($arr['allow_gid']) : '');
+ $arr['deny_cid'] = ((x($arr,'deny_cid')) ? trim($arr['deny_cid']) : '');
+ $arr['deny_gid'] = ((x($arr,'deny_gid')) ? trim($arr['deny_gid']) : '');
+ $arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0 );
+ $arr['body'] = ((x($arr,'body')) ? trim($arr['body']) : '');
+
+ if($arr['parent-uri'] === $arr['uri']) {
+ $parent_id = 0;
+ $allow_cid = $arr['allow_cid'];
+ $allow_gid = $arr['allow_gid'];
+ $deny_cid = $arr['deny_cid'];
+ $deny_gid = $arr['deny_gid'];
+ }
+ else {
+
+ // 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)) {
+
+ // is the new message multi-level threaded?
+ // even though we don't support it now, preserve the info
+ // and re-attach to the conversation parent.
+
+ if($r[0]['uri'] != $r[0]['parent-uri']) {
+ $arr['thr-parent'] = $arr['parent-uri'];
+ $arr['parent-uri'] = $r[0]['parent-uri'];
+ }
+
+ $parent_id = $r[0]['id'];
+ $parent_deleted = $r[0]['deleted'];
+ $allow_cid = $r[0]['allow_cid'];
+ $allow_gid = $r[0]['allow_gid'];
+ $deny_cid = $r[0]['deny_cid'];
+ $deny_gid = $r[0]['deny_gid'];
+ }
+ else {
+
+ // Allow one to see reply tweets from status.net even when
+ // we don't have or can't see the original post.
+
+ if($force_parent) {
+ logger('item_store: $force_parent=true, reply converted to top-level post.');
+ $parent_id = 0;
+ $arr['thr-parent'] = $arr['parent-uri'];
+ $arr['parent-uri'] = $arr['uri'];
+ }
+ else {
+ logger('item_store: item parent was not found - ignoring item');
+ return 0;
+ }
+ }
+ }
+
+ call_hooks('post_remote',$arr);
+
+ dbesc_array($arr);
+
+ logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
+
+ $r = dbq("INSERT INTO `item` (`"
+ . implode("`, `", array_keys($arr))
+ . "`) VALUES ('"
+ . implode("', '", array_values($arr))
+ . "')" );
+
+ // find the item we just created
+
+ $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'];
+ logger('item_store: created item ' . $current_post);
+ }
+ else {
+ logger('item_store: could not locate created item');
+ return 0;
+ }
+
+ if((! $parent_id) || ($arr['parent-uri'] === $arr['uri']))
+ $parent_id = $current_post;
+
+ if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid))
+ $private = 1;
+ else
+ $private = $arr['private'];
+
+ // Set parent id - and also make sure to inherit the parent's ACL's.
+
+ $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
+ `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d LIMIT 1",
+ intval($parent_id),
+ dbesc($allow_cid),
+ dbesc($allow_gid),
+ dbesc($deny_cid),
+ dbesc($deny_gid),
+ intval($private),
+ intval($parent_deleted),
+ 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, $dissolve = false) {
+
+ $a = get_app();
+
+ if((! strlen($contact['issued-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;
+
+ $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
+
+ $rino_enable = get_config('system','rino_encrypt');
+
+ if(! $rino_enable)
+ $rino = 0;
+
+ $url = $contact['notify'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
+
+ logger('dfrn_deliver: ' . $url);
+
+ $xml = fetch_url($url);
+
+ $curl_stat = $a->get_curl_code();
+ if(! $curl_stat)
+ return(-1); // timed out
+
+ logger('dfrn_deliver: ' . $xml);
+
+ if(! $xml)
+ return 3;
+
+ if(strpos($xml,'<?xml') === false) {
+ logger('dfrn_deliver: no valid XML returned');
+ logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
+ 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((string) $res->dfrn_id);
+ $challenge = hex2bin((string) $res->challenge);
+ $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
+ $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0);
+
+ $final_dfrn_id = '';
+
+
+ if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
+ openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
+ openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+ }
+ else {
+ openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
+ openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
+ }
+
+ $final_dfrn_id = substr($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) {
+ logger('dfrn_deliver: wrong dfrn_id.');
+ // did not decode properly - cannot trust this site
+ return 3;
+ }
+
+ $postvars['dfrn_id'] = $idtosend;
+ $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+ if($dissolve)
+ $postvars['dissolve'] = '1';
+
+ if(($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);
+ }
+
+ if($rino && $rino_allowed && (! $dissolve)) {
+ $key = substr(random_string(),0,16);
+ $data = bin2hex(aes_encrypt($postvars['data'],$key));
+ $postvars['data'] = $data;
+ logger('rino: sent key = ' . $key);
+
+
+ if($dfrn_version >= 2.1) {
+ if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
+ openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
+ }
+ else {
+ openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
+ }
+ }
+ else {
+ if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
+ openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
+ }
+ else {
+ openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
+ }
+ }
+
+ logger('md5 rawkey ' . md5($postvars['key']));
+
+ $postvars['key'] = bin2hex($postvars['key']);
+ }
+
+ logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
+
+ $xml = post_url($contact['notify'],$postvars);
+
+ logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
+
+ $curl_stat = $a->get_curl_code();
+ if((! $curl_stat) || (! strlen($xml)))
+ return(-1); // timed out
+
+
+ if(strpos($xml,'<?xml') === false) {
+ logger('dfrn_deliver: phase 2: no valid XML returned');
+ logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
+ return 3;
+ }
+
+ $res = simplexml_load_string($xml);
+
+ return $res->status;
+
+}
+
+
+/**
+ *
+ * consume_feed - process atom feed and update anything/everything we might need to update
+ *
+ * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
+ *
+ * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
+ * It is this person's stuff that is going to be updated.
+ * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
+ * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
+ * have a contact record.
+ * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
+ * might not) try and subscribe to it.
+ *
+ */
+
+function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
+
+ require_once('simplepie/simplepie.inc');
+
+ $feed = new SimplePie();
+ $feed->set_raw_data($xml);
+ if($datedir)
+ $feed->enable_order_by_date(true);
+ else
+ $feed->enable_order_by_date(false);
+ $feed->init();
+
+ if($feed->error())
+ logger('consume_feed: Error parsing XML: ' . $feed->error());
+
+
+ // Check at the feed level for updated contact name and/or photo
+
+ $name_updated = '';
+ $new_name = '';
+ $photo_timestamp = '';
+ $photo_url = '';
+ $birthday = '';
+
+ $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 = $elems['name'][0]['data'];
+ }
+ if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
+ $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
+ $photo_url = $elems['link'][0]['attribs']['']['href'];
+ }
+
+ if((x($rawtags[0]['child'], NAMESPACE_DFRN)) && (x($rawtags[0]['child'][NAMESPACE_DFRN],'birthday'))) {
+ $birthday = datetime_convert('UTC','UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
+ }
+ }
+
+ if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
+ logger('consume_feed: Updating photo for ' . $contact['name']);
+ require_once("Photo.php");
+ $photo_failure = false;
+ $have_photo = 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'];
+ $have_photo = true;
+ }
+ else {
+ $resource_id = photo_new_resource();
+ }
+
+ $img_str = fetch_url($photo_url,true);
+ $img = new Photo($img_str);
+ if($img->is_valid()) {
+ if($have_photo) {
+ 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);
+
+ $img->scaleImage(48);
+ $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 6);
+
+ $a = get_app();
+
+ q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'
+ WHERE `uid` = %d AND `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'),
+ dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'),
+ dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'),
+ intval($contact['uid']),
+ intval($contact['id'])
+ );
+ }
+ }
+
+ if((is_array($contact)) && ($name_updated) && (strlen($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'])
+ );
+ }
+
+ if(strlen($birthday)) {
+ if(substr($birthday,0,4) != $contact['bdyear']) {
+ logger('consume_feed: updating birthday: ' . $birthday);
+
+ /**
+ *
+ * Add new birthday event for this person
+ *
+ * $bdtext is just a readable placeholder in case the event is shared
+ * with others. We will replace it during presentation to our $importer
+ * to contain a sparkle link and perhaps a photo.
+ *
+ */
+
+ $bdtext = t('Birthday:') . ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' ;
+
+
+ $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`)
+ VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s' ) ",
+ intval($contact['uid']),
+ intval($contact['id']),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert('UTC','UTC', $birthday)),
+ dbesc(datetime_convert('UTC','UTC', $birthday . ' + 1 day ')),
+ dbesc($bdtext),
+ dbesc('birthday')
+ );
+
+
+ // update bdyear
+
+ q("UPDATE `contact` SET `bdyear` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
+ dbesc(substr($birthday,0,4)),
+ intval($contact['uid']),
+ intval($contact['id'])
+ );
+
+ // This function is called twice without reloading the contact
+ // Make sure we only create one event. This is why &$contact
+ // is a reference var in this function
+
+ $contact['bdyear'] = substr($birthday,0,4);
+ }
+
+ }
+
+
+ // process any deleted entries
+
+ $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
+ if(is_array($del_entries) && count($del_entries)) {
+ foreach($del_entries as $dentry) {
+ $deleted = false;
+ if(isset($dentry['attribs']['']['ref'])) {
+ $uri = $dentry['attribs']['']['ref'];
+ $deleted = true;
+ if(isset($dentry['attribs']['']['when'])) {
+ $when = $dentry['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 && is_array($contact)) {
+ $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1",
+ dbesc($uri),
+ intval($importer['uid']),
+ intval($contact['id'])
+ );
+ if(count($r)) {
+ $item = $r[0];
+
+ if(! $item['deleted'])
+ logger('consume_feed: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
+
+ if($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($r[0]['id'])
+ );
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // Now process the feed
+
+ if($feed->get_item_quantity()) {
+
+ logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
+
+ // in inverse date order
+ if ($datedir)
+ $items = array_reverse($feed->get_items());
+ else
+ $items = $feed->get_items();
+
+
+ foreach($items as $item) {
+
+ $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'];