3 require_once('bbcode.php');
4 require_once('oembed.php');
5 require_once('include/salmon.php');
7 function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) {
10 // default permissions - anonymous user
12 if(! strlen($owner_nick))
15 $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
17 $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`
18 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
19 WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
27 $owner_id = $owner['user_uid'];
28 $owner_nick = $owner['nickname'];
30 $birthday = feed_birthday($owner_id,$owner['timezone']);
32 if(strlen($dfrn_id)) {
37 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
41 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
42 $my_id = '1:' . $dfrn_id;
45 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
46 $my_id = '0:' . $dfrn_id;
53 $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
61 $groups = init_groups_visitor($contact['id']);
64 for($x = 0; $x < count($groups); $x ++)
65 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
66 $gs = implode('|', $groups);
69 $gs = '<<>>' ; // Impossible to match
71 $sql_extra = sprintf("
72 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
73 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
74 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
75 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
77 intval($contact['id']),
78 intval($contact['id']),
84 if($dfrn_id === '' || $dfrn_id === '*')
89 if(! strlen($last_update))
90 $last_update = 'now -30 days';
92 $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
94 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
95 `contact`.`name`, `contact`.`photo`, `contact`.`url`,
96 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
97 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
98 `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
99 FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
100 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`parent` != 0
101 AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
102 AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
104 ORDER BY `parent` %s, `created` ASC LIMIT 0, 300",
111 // Will check further below if this actually returned results.
112 // We will provide an empty feed if that is the case.
116 $feed_template = get_markup_template('atom_feed.tpl');
120 $hubxml = feed_hublinks();
122 $salmon = feed_salmonlinks($owner_nick);
124 $atom .= replace_macros($feed_template, array(
125 '$version' => xmlify(FRIENDIKA_VERSION),
126 '$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner_nick),
127 '$feed_title' => xmlify($owner['name']),
128 '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now' , ATOM_TIME)) ,
130 '$salmon' => $salmon,
131 '$name' => xmlify($owner['name']),
132 '$profile_page' => xmlify($owner['url']),
133 '$photo' => xmlify($owner['photo']),
134 '$thumb' => xmlify($owner['thumb']),
135 '$picdate' => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
136 '$uridate' => xmlify(datetime_convert('UTC','UTC',$owner['uri-date'] . '+00:00' , ATOM_TIME)) ,
137 '$namdate' => xmlify(datetime_convert('UTC','UTC',$owner['name-date'] . '+00:00' , ATOM_TIME)) ,
138 '$birthday' => ((strlen($birthday)) ? '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>' : '')
141 call_hooks('atom_feed', $atom);
143 if(! count($items)) {
145 call_hooks('atom_feed_end', $atom);
147 $atom .= '</feed>' . "\r\n";
151 foreach($items as $item) {
153 // public feeds get html, our own nodes use bbcode
155 if($dfrn_id === '') {
162 $atom .= atom_entry($item,$type,null,$owner,true);
165 call_hooks('atom_feed_end', $atom);
167 $atom .= '</feed>' . "\r\n";
173 function construct_verb($item) {
175 return $item['verb'];
176 return ACTIVITY_POST;
179 function construct_activity_object($item) {
181 if($item['object']) {
182 $o = '<as:object>' . "\r\n";
183 $r = parse_xml_string($item['object'],false);
189 $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
191 $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
193 $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
195 if(substr($r->link,0,1) === '<') {
196 // patch up some facebook "like" activity objects that got stored incorrectly
197 // for a couple of months prior to 9-Jun-2011 and generated bad XML.
198 // we can probably remove this hack here and in the following function in a few months time.
199 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
200 $r->link = str_replace('&','&', $r->link);
201 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
205 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
208 $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
209 $o .= '</as:object>' . "\r\n";
216 function construct_activity_target($item) {
218 if($item['target']) {
219 $o = '<as:target>' . "\r\n";
220 $r = parse_xml_string($item['target'],false);
224 $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
226 $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
228 $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
230 if(substr($r->link,0,1) === '<') {
231 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
232 $r->link = str_replace('&','&', $r->link);
233 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
237 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
240 $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
241 $o .= '</as:target>' . "\r\n";
251 function get_atom_elements($feed,$item) {
253 require_once('library/HTMLPurifier.auto.php');
254 require_once('include/html2bbcode.php');
256 $best_photo = array();
260 $author = $item->get_author();
262 $res['author-name'] = unxmlify($author->get_name());
263 $res['author-link'] = unxmlify($author->get_link());
266 $res['author-name'] = unxmlify($feed->get_title());
267 $res['author-link'] = unxmlify($feed->get_permalink());
269 $res['uri'] = unxmlify($item->get_id());
270 $res['title'] = unxmlify($item->get_title());
271 $res['body'] = unxmlify($item->get_content());
272 $res['plink'] = unxmlify($item->get_link(0));
274 // look for a photo. We should check media size and find the best one,
275 // but for now let's just find any author photo
277 $rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
279 if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
280 $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
281 foreach($base as $link) {
282 if(! $res['author-avatar']) {
283 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
284 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
289 $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor');
291 if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
292 $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
293 if($base && count($base)) {
294 foreach($base as $link) {
295 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
296 $res['author-link'] = unxmlify($link['attribs']['']['href']);
297 if(! $res['author-avatar']) {
298 if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
299 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
305 // No photo/profile-link on the item - look at the feed level
307 if((! (x($res,'author-link'))) || (! (x($res,'author-avatar')))) {
308 $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
309 if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
310 $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
311 foreach($base as $link) {
312 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
313 $res['author-link'] = unxmlify($link['attribs']['']['href']);
314 if(! $res['author-avatar']) {
315 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
316 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
321 $rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject');
323 if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
324 $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
326 if($base && count($base)) {
327 foreach($base as $link) {
328 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
329 $res['author-link'] = unxmlify($link['attribs']['']['href']);
330 if(! (x($res,'author-avatar'))) {
331 if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
332 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
341 * If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
344 $have_real_body = false;
346 $rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env');
348 $have_real_body = true;
349 $res['body'] = $rawenv[0]['data'];
350 $res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']);
351 // make sure nobody is trying to sneak some html tags by us
352 $res['body'] = notags(base64url_decode($res['body']));
355 $maxlen = get_max_import_size();
356 if($maxlen && (strlen($res['body']) > $maxlen))
357 $res['body'] = substr($res['body'],0, $maxlen);
359 // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
360 // the content type. Our own network only emits text normally, though it might have been converted to
361 // html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will
362 // have to assume it is all html and needs to be purified.
364 // It doesn't matter all that much security wise - because before this content is used anywhere, we are
365 // going to escape any tags we find regardless, but this lets us import a limited subset of html from
366 // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
369 if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
371 $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
372 '[youtube]$1[/youtube]', $res['body']);
374 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
375 '[youtube]$1[/youtube]', $res['body']);
377 $res['body'] = oembed_html2bbcode($res['body']);
379 $config = HTMLPurifier_Config::createDefault();
380 $config->set('Cache.DefinitionImpl', null);
382 // we shouldn't need a whitelist, because the bbcode converter
383 // will strip out any unsupported tags.
384 // $config->set('HTML.Allowed', 'p,b,a[href],i');
386 $purifier = new HTMLPurifier($config);
387 $res['body'] = $purifier->purify($res['body']);
389 $res['body'] = html2bbcode($res['body']);
392 $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
393 if($allow && $allow[0]['data'] == 1)
394 $res['last-child'] = 1;
396 $res['last-child'] = 0;
398 $private = $item->get_item_tags(NAMESPACE_DFRN,'private');
399 if($private && $private[0]['data'] == 1)
404 $extid = $item->get_item_tags(NAMESPACE_DFRN,'extid');
405 if($extid && $extid[0]['data'])
406 $res['extid'] = $extid[0]['data'];
408 $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
410 $res['location'] = unxmlify($rawlocation[0]['data']);
413 $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
415 $res['created'] = unxmlify($rawcreated[0]['data']);
418 $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
420 $res['edited'] = unxmlify($rawedited[0]['data']);
422 if((x($res,'edited')) && (! (x($res,'created'))))
423 $res['created'] = $res['edited'];
425 if(! $res['created'])
426 $res['created'] = $item->get_date('c');
429 $res['edited'] = $item->get_date('c');
432 // Disallow time travelling posts
434 $d1 = strtotime($res['created']);
435 $d2 = strtotime($res['edited']);
436 $d3 = strtotime('now');
439 $res['created'] = datetime_convert();
441 $res['edited'] = datetime_convert();
443 $rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
444 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
445 $res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
446 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
447 $res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
448 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
449 $res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
450 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
451 $res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
453 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
454 $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
456 foreach($base as $link) {
457 if(! $res['owner-avatar']) {
458 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
459 $res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
464 $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
466 $res['coord'] = unxmlify($rawgeo[0]['data']);
469 $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
471 // select between supported verbs
474 $res['verb'] = unxmlify($rawverb[0]['data']);
477 // translate OStatus unfollow to activity streams if it happened to get selected
479 if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
480 $res['verb'] = ACTIVITY_UNFOLLOW;
483 $cats = $item->get_categories();
486 foreach($cats as $cat) {
487 $term = $cat->get_term();
489 $term = $cat->get_label();
490 $scheme = $cat->get_scheme();
491 if($scheme && $term && stristr($scheme,'X-DFRN:'))
492 $tag_arr[] = substr($scheme,7,1) . '[url=' . unxmlify(substr($scheme,9)) . ']' . unxmlify($term) . '[/url]';
494 $tag_arr[] = notags(trim($term));
496 $res['tag'] = implode(',', $tag_arr);
499 $attach = $item->get_enclosures();
502 foreach($attach as $att) {
503 $len = intval($att->get_length());
504 $link = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_link()))));
505 $title = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_title()))));
506 $type = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_type()))));
507 if(strpos($type,';'))
508 $type = substr($type,0,strpos($type,';'));
509 if((! $link) || (strpos($link,'http') !== 0))
515 $type = 'application/octet-stream';
517 $att_arr[] = '[attach]href="' . $link . '" size="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]';
519 $res['attach'] = implode(',', $att_arr);
522 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
525 $res['object'] = '<object>' . "\n";
526 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
527 $res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'];
528 $res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
530 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
531 $res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
532 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
533 $res['object'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
534 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
535 $res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
536 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
537 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
539 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
540 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
541 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
542 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
544 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
545 '[youtube]$1[/youtube]', $body);
547 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
548 '[youtube]$1[/youtube]', $res['body']);
551 $config = HTMLPurifier_Config::createDefault();
552 $config->set('Cache.DefinitionImpl', null);
554 $purifier = new HTMLPurifier($config);
555 $body = $purifier->purify($body);
556 $body = html2bbcode($body);
559 $res['object'] .= '<content>' . $body . '</content>' . "\n";
562 $res['object'] .= '</object>' . "\n";
565 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target');
568 $res['target'] = '<target>' . "\n";
569 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
570 $res['target'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
572 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
573 $res['target'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
575 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
576 $res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
577 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
578 $res['target'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
579 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
580 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
582 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
583 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
584 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
585 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
587 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
588 '[youtube]$1[/youtube]', $body);
590 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
591 '[youtube]$1[/youtube]', $res['body']);
593 $config = HTMLPurifier_Config::createDefault();
594 $config->set('Cache.DefinitionImpl', null);
596 $purifier = new HTMLPurifier($config);
597 $body = $purifier->purify($body);
598 $body = html2bbcode($body);
601 $res['target'] .= '<content>' . $body . '</content>' . "\n";
604 $res['target'] .= '</target>' . "\n";
607 $arr = array('feed' => $feed, 'item' => $item, 'result' => $res);
609 call_hooks('parse_atom', $arr);
614 function encode_rel_links($links) {
616 if(! ((is_array($links)) && (count($links))))
618 foreach($links as $link) {
620 if($link['attribs']['']['rel'])
621 $o .= 'rel="' . $link['attribs']['']['rel'] . '" ';
622 if($link['attribs']['']['type'])
623 $o .= 'type="' . $link['attribs']['']['type'] . '" ';
624 if($link['attribs']['']['href'])
625 $o .= 'href="' . $link['attribs']['']['href'] . '" ';
626 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width'])
627 $o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
628 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height'])
629 $o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
635 function item_store($arr,$force_parent = false) {
638 $arr['gravity'] = intval($arr['gravity']);
639 elseif($arr['parent-uri'] == $arr['uri'])
641 elseif(activity_match($arr['verb'],ACTIVITY_POST))
644 $arr['gravity'] = 6; // extensible catchall
647 $arr['type'] = 'remote';
649 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
651 if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
652 $arr['body'] = strip_tags($arr['body']);
655 $arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0);
656 $arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string());
657 $arr['extid'] = ((x($arr,'extid')) ? notags(trim($arr['extid'])) : '');
658 $arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : '');
659 $arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : '');
660 $arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
661 $arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : '');
662 $arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : '');
663 $arr['owner-avatar'] = ((x($arr,'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
664 $arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
665 $arr['edited'] = ((x($arr,'edited') !== false) ? datetime_convert('UTC','UTC',$arr['edited']) : datetime_convert());
666 $arr['changed'] = datetime_convert();
667 $arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : '');
668 $arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : '');
669 $arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : '');
670 $arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 );
671 $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 );
673 $arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : '');
674 $arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : '');
675 $arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : '');
676 $arr['object'] = ((x($arr,'object')) ? trim($arr['object']) : '');
677 $arr['target-type'] = ((x($arr,'target-type')) ? notags(trim($arr['target-type'])) : '');
678 $arr['target'] = ((x($arr,'target')) ? trim($arr['target']) : '');
679 $arr['plink'] = ((x($arr,'plink')) ? notags(trim($arr['plink'])) : '');
680 $arr['allow_cid'] = ((x($arr,'allow_cid')) ? trim($arr['allow_cid']) : '');
681 $arr['allow_gid'] = ((x($arr,'allow_gid')) ? trim($arr['allow_gid']) : '');
682 $arr['deny_cid'] = ((x($arr,'deny_cid')) ? trim($arr['deny_cid']) : '');
683 $arr['deny_gid'] = ((x($arr,'deny_gid')) ? trim($arr['deny_gid']) : '');
684 $arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0 );
685 $arr['body'] = ((x($arr,'body')) ? trim($arr['body']) : '');
686 $arr['tag'] = ((x($arr,'tag')) ? notags(trim($arr['tag'])) : '');
687 $arr['attach'] = ((x($arr,'attach')) ? notags(trim($arr['attach'])) : '');
689 if($arr['parent-uri'] === $arr['uri']) {
691 $allow_cid = $arr['allow_cid'];
692 $allow_gid = $arr['allow_gid'];
693 $deny_cid = $arr['deny_cid'];
694 $deny_gid = $arr['deny_gid'];
698 // find the parent and snarf the item id and ACL's
699 // and anything else we need to inherit
701 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
702 dbesc($arr['parent-uri']),
708 // is the new message multi-level threaded?
709 // even though we don't support it now, preserve the info
710 // and re-attach to the conversation parent.
712 if($r[0]['uri'] != $r[0]['parent-uri']) {
713 $arr['thr-parent'] = $arr['parent-uri'];
714 $arr['parent-uri'] = $r[0]['parent-uri'];
717 $parent_id = $r[0]['id'];
718 $parent_deleted = $r[0]['deleted'];
719 $allow_cid = $r[0]['allow_cid'];
720 $allow_gid = $r[0]['allow_gid'];
721 $deny_cid = $r[0]['deny_cid'];
722 $deny_gid = $r[0]['deny_gid'];
723 $arr['wall'] = $r[0]['wall'];
727 // Allow one to see reply tweets from status.net even when
728 // we don't have or can't see the original post.
731 logger('item_store: $force_parent=true, reply converted to top-level post.');
733 $arr['thr-parent'] = $arr['parent-uri'];
734 $arr['parent-uri'] = $arr['uri'];
738 logger('item_store: item parent was not found - ignoring item');
744 call_hooks('post_remote',$arr);
748 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
750 $r = dbq("INSERT INTO `item` (`"
751 . implode("`, `", array_keys($arr))
753 . implode("', '", array_values($arr))
756 // find the item we just created
758 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
759 $arr['uri'], // already dbesc'd
763 // This is not good, but perhaps we encountered a rare race/cache condition, so back off and try again.
765 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
766 $arr['uri'], // already dbesc'd
772 $current_post = $r[0]['id'];
773 logger('item_store: created item ' . $current_post);
776 logger('item_store: could not locate created item');
780 if((! $parent_id) || ($arr['parent-uri'] === $arr['uri']))
781 $parent_id = $current_post;
783 if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid))
786 $private = $arr['private'];
788 // Set parent id - and also make sure to inherit the parent's ACL's.
790 $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
791 `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d LIMIT 1",
798 intval($parent_deleted),
799 intval($current_post)
803 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
806 if($arr['last-child']) {
807 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
810 intval($current_post)
814 return $current_post;
817 function get_item_contact($item,$contacts) {
818 if(! count($contacts) || (! is_array($item)))
820 foreach($contacts as $contact) {
821 if($contact['id'] == $item['contact-id']) {
830 function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
834 if((! strlen($contact['issued-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY)))
837 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
839 if($contact['duplex'] && $contact['dfrn-id'])
840 $idtosend = '0:' . $orig_id;
841 if($contact['duplex'] && $contact['issued-id'])
842 $idtosend = '1:' . $orig_id;
844 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
846 $rino_enable = get_config('system','rino_encrypt');
851 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
853 logger('dfrn_deliver: ' . $url);
855 $xml = fetch_url($url);
857 $curl_stat = $a->get_curl_code();
859 return(-1); // timed out
861 logger('dfrn_deliver: ' . $xml);
866 if(strpos($xml,'<?xml') === false) {
867 logger('dfrn_deliver: no valid XML returned');
868 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
872 $res = parse_xml_string($xml);
874 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
875 return (($res->status) ? $res->status : 3);
878 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
879 $challenge = hex2bin((string) $res->challenge);
880 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
881 $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0);
886 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
887 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
888 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
891 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
892 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
895 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
897 if(strpos($final_dfrn_id,':') == 1)
898 $final_dfrn_id = substr($final_dfrn_id,2);
900 if($final_dfrn_id != $orig_id) {
901 logger('dfrn_deliver: wrong dfrn_id.');
902 // did not decode properly - cannot trust this site
906 $postvars['dfrn_id'] = $idtosend;
907 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
909 $postvars['dissolve'] = '1';
912 if((($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
913 $postvars['data'] = $atom;
914 $postvars['perm'] = 'rw';
917 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
918 $postvars['perm'] = 'r';
921 if($rino && $rino_allowed && (! $dissolve)) {
922 $key = substr(random_string(),0,16);
923 $data = bin2hex(aes_encrypt($postvars['data'],$key));
924 $postvars['data'] = $data;
925 logger('rino: sent key = ' . $key);
928 if($dfrn_version >= 2.1) {
929 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
930 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
933 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
937 if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
938 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
941 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
945 logger('md5 rawkey ' . md5($postvars['key']));
947 $postvars['key'] = bin2hex($postvars['key']);
950 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
952 $xml = post_url($contact['notify'],$postvars);
954 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
956 $curl_stat = $a->get_curl_code();
957 if((! $curl_stat) || (! strlen($xml)))
958 return(-1); // timed out
960 if(strpos($xml,'<?xml') === false) {
961 logger('dfrn_deliver: phase 2: no valid XML returned');
962 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
966 $res = parse_xml_string($xml);
974 * consume_feed - process atom feed and update anything/everything we might need to update
976 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
978 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
979 * It is this person's stuff that is going to be updated.
980 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
981 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
982 * have a contact record.
983 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
984 * might not) try and subscribe to it.
988 function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $secure_feed = false) {
990 require_once('simplepie/simplepie.inc');
992 $feed = new SimplePie();
993 $feed->set_raw_data($xml);
995 $feed->enable_order_by_date(true);
997 $feed->enable_order_by_date(false);
1001 logger('consume_feed: Error parsing XML: ' . $feed->error());
1003 $permalink = $feed->get_permalink();
1005 // Check at the feed level for updated contact name and/or photo
1009 $photo_timestamp = '';
1013 $hubs = $feed->get_links('hub');
1016 $hub = implode(',', $hubs);
1018 $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
1020 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
1021 if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
1022 $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
1023 $new_name = $elems['name'][0]['data'];
1025 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
1026 $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
1027 $photo_url = $elems['link'][0]['attribs']['']['href'];
1030 if((x($rawtags[0]['child'], NAMESPACE_DFRN)) && (x($rawtags[0]['child'][NAMESPACE_DFRN],'birthday'))) {
1031 $birthday = datetime_convert('UTC','UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
1035 if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
1036 logger('consume_feed: Updating photo for ' . $contact['name']);
1037 require_once("Photo.php");
1038 $photo_failure = false;
1039 $have_photo = false;
1041 $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
1042 intval($contact['id']),
1043 intval($contact['uid'])
1046 $resource_id = $r[0]['resource-id'];
1050 $resource_id = photo_new_resource();
1053 $img_str = fetch_url($photo_url,true);
1054 $img = new Photo($img_str);
1055 if($img->is_valid()) {
1057 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d",
1058 dbesc($resource_id),
1059 intval($contact['id']),
1060 intval($contact['uid'])
1064 $img->scaleImageSquare(175);
1066 $hash = $resource_id;
1067 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 4);
1069 $img->scaleImage(80);
1070 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 5);
1072 $img->scaleImage(48);
1073 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 6);
1077 q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'
1078 WHERE `uid` = %d AND `id` = %d LIMIT 1",
1079 dbesc(datetime_convert()),
1080 dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'),
1081 dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'),
1082 dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'),
1083 intval($contact['uid']),
1084 intval($contact['id'])
1089 if((is_array($contact)) && ($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
1090 q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1091 dbesc(notags(trim($new_name))),
1092 dbesc(datetime_convert()),
1093 intval($contact['uid']),
1094 intval($contact['id'])
1098 if(strlen($birthday)) {
1099 if(substr($birthday,0,4) != $contact['bdyear']) {
1100 logger('consume_feed: updating birthday: ' . $birthday);
1104 * Add new birthday event for this person
1106 * $bdtext is just a readable placeholder in case the event is shared
1107 * with others. We will replace it during presentation to our $importer
1108 * to contain a sparkle link and perhaps a photo.
1112 $bdtext = t('Birthday:') . ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' ;
1115 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`)
1116 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s' ) ",
1117 intval($contact['uid']),
1118 intval($contact['id']),
1119 dbesc(datetime_convert()),
1120 dbesc(datetime_convert()),
1121 dbesc(datetime_convert('UTC','UTC', $birthday)),
1122 dbesc(datetime_convert('UTC','UTC', $birthday . ' + 1 day ')),
1130 q("UPDATE `contact` SET `bdyear` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1131 dbesc(substr($birthday,0,4)),
1132 intval($contact['uid']),
1133 intval($contact['id'])
1136 // This function is called twice without reloading the contact
1137 // Make sure we only create one event. This is why &$contact
1138 // is a reference var in this function
1140 $contact['bdyear'] = substr($birthday,0,4);
1146 // process any deleted entries
1148 $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
1149 if(is_array($del_entries) && count($del_entries)) {
1150 foreach($del_entries as $dentry) {
1152 if(isset($dentry['attribs']['']['ref'])) {
1153 $uri = $dentry['attribs']['']['ref'];
1155 if(isset($dentry['attribs']['']['when'])) {
1156 $when = $dentry['attribs']['']['when'];
1157 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
1160 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
1162 if($deleted && is_array($contact)) {
1163 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1",
1165 intval($importer['uid']),
1166 intval($contact['id'])
1171 if(! $item['deleted'])
1172 logger('consume_feed: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
1174 if($item['uri'] == $item['parent-uri']) {
1175 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1176 `body` = '', `title` = ''
1177 WHERE `parent-uri` = '%s' AND `uid` = %d",
1179 dbesc(datetime_convert()),
1180 dbesc($item['uri']),
1181 intval($importer['uid'])
1185 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1186 `body` = '', `title` = ''
1187 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1189 dbesc(datetime_convert()),
1191 intval($importer['uid'])
1193 if($item['last-child']) {
1194 // ensure that last-child is set in case the comment that had it just got wiped.
1195 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1196 dbesc(datetime_convert()),
1197 dbesc($item['parent-uri']),
1198 intval($item['uid'])
1200 // who is the last child now?
1201 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
1202 ORDER BY `created` DESC LIMIT 1",
1203 dbesc($item['parent-uri']),
1204 intval($importer['uid'])
1207 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1218 // Now process the feed
1220 if($feed->get_item_quantity()) {
1222 logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
1224 // in inverse date order
1226 $items = array_reverse($feed->get_items());
1228 $items = $feed->get_items();
1231 foreach($items as $item) {
1234 $item_id = $item->get_id();
1235 $rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
1236 if(isset($rawthread[0]['attribs']['']['ref'])) {
1238 $parent_uri = $rawthread[0]['attribs']['']['ref'];
1241 if(($is_reply) && is_array($contact)) {
1243 // Have we seen it? If not, import it.
1245 $item_id = $item->get_id();
1246 $datarray = get_atom_elements($feed,$item);
1248 if(! x($datarray,'author-name'))
1249 $datarray['author-name'] = $contact['name'];
1250 if(! x($datarray,'author-link'))
1251 $datarray['author-link'] = $contact['url'];
1252 if(! x($datarray,'author-avatar'))
1253 $datarray['author-avatar'] = $contact['thumb'];
1255 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1257 intval($importer['uid'])
1260 // Update content if 'updated' changes
1263 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1264 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1265 dbesc($datarray['body']),
1266 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1268 intval($importer['uid'])
1272 // update last-child if it changes
1274 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1275 if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
1276 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1277 dbesc(datetime_convert()),
1279 intval($importer['uid'])
1281 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1282 intval($allow[0]['data']),
1283 dbesc(datetime_convert()),
1285 intval($importer['uid'])
1291 $force_parent = false;
1292 if($contact['network'] === 'stat') {
1293 $force_parent = true;
1294 if(strlen($datarray['title']))
1295 unset($datarray['title']);
1296 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1297 dbesc(datetime_convert()),
1299 intval($importer['uid'])
1301 $datarray['last-child'] = 1;
1304 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1305 // one way feed - no remote comment ability
1306 $datarray['last-child'] = 0;
1308 $datarray['parent-uri'] = $parent_uri;
1309 $datarray['uid'] = $importer['uid'];
1310 $datarray['contact-id'] = $contact['id'];
1311 if((activity_match($datarray['verb'],ACTIVITY_LIKE)) || (activity_match($datarray['verb'],ACTIVITY_DISLIKE))) {
1312 $datarray['type'] = 'activity';
1313 $datarray['gravity'] = GRAVITY_LIKE;
1316 $r = item_store($datarray,$force_parent);
1322 // Head post of a conversation. Have we seen it? If not, import it.
1324 $item_id = $item->get_id();
1326 $datarray = get_atom_elements($feed,$item);
1328 if(is_array($contact)) {
1329 if(! x($datarray,'author-name'))
1330 $datarray['author-name'] = $contact['name'];
1331 if(! x($datarray,'author-link'))
1332 $datarray['author-link'] = $contact['url'];
1333 if(! x($datarray,'author-avatar'))
1334 $datarray['author-avatar'] = $contact['thumb'];
1337 if((x($datarray,'object-type')) && ($datarray['object-type'] === ACTIVITY_OBJ_EVENT)) {
1338 $ev = bbtoevent($datarray['body']);
1339 if(x($ev,'desc') && x($ev,'start')) {
1340 $ev['uid'] = $importer['uid'];
1341 $ev['uri'] = $item_id;
1343 if(is_array($contact))
1344 $ev['cid'] = $contact['id'];
1345 $r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1347 intval($importer['uid'])
1350 $ev['id'] = $r[0]['id'];
1351 $xyz = event_store($ev);
1356 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1358 intval($importer['uid'])
1361 // Update content if 'updated' changes
1364 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1365 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1366 dbesc($datarray['body']),
1367 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1369 intval($importer['uid'])
1373 // update last-child if it changes
1375 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1376 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
1377 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1378 intval($allow[0]['data']),
1379 dbesc(datetime_convert()),
1381 intval($importer['uid'])
1387 if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) {
1388 logger('consume-feed: New follower');
1389 new_follower($importer,$contact,$datarray,$item);
1392 if(activity_match($datarray['verb'],ACTIVITY_UNFOLLOW)) {
1393 lose_follower($importer,$contact,$datarray,$item);
1396 if(! is_array($contact))
1399 if($contact['network'] === 'stat' || stristr($permalink,'twitter.com')) {
1400 if(strlen($datarray['title']))
1401 unset($datarray['title']);
1402 $datarray['last-child'] = 1;
1405 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1406 // one way feed - no remote comment ability
1407 $datarray['last-child'] = 0;
1410 $datarray['parent-uri'] = $item_id;
1411 $datarray['uid'] = $importer['uid'];
1412 $datarray['contact-id'] = $contact['id'];
1413 $r = item_store($datarray);
1421 function new_follower($importer,$contact,$datarray,$item) {
1422 $url = notags(trim($datarray['author-link']));
1423 $name = notags(trim($datarray['author-name']));
1424 $photo = notags(trim($datarray['author-avatar']));
1426 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1427 if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
1428 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1430 if(is_array($contact)) {
1431 if($contact['network'] == 'stat' && $contact['rel'] == REL_FAN) {
1432 $r = q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
1434 intval($contact['id']),
1435 intval($importer['uid'])
1439 // send email notification to owner?
1443 // create contact record - set to readonly
1445 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`,
1446 `blocked`, `readonly`, `pending`, `writable` )
1447 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 1, 1, 1 ) ",
1448 intval($importer['uid']),
1449 dbesc(datetime_convert()),
1457 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 AND `rel` = %d LIMIT 1",
1458 intval($importer['uid']),
1463 $contact_record = $r[0];
1465 // create notification
1466 $hash = random_string();
1468 if(is_array($contact_record)) {
1469 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
1470 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
1471 intval($importer['uid']),
1472 intval($contact_record['id']),
1474 dbesc(datetime_convert())
1477 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1478 intval($importer['uid'])
1482 if(($r[0]['notify-flags'] & NOTIFY_INTRO) && ($r[0]['page-flags'] == PAGE_NORMAL)) {
1483 $email_tpl = get_intltext_template('follow_notify_eml.tpl');
1484 $email = replace_macros($email_tpl, array(
1485 '$requestor' => ((strlen($name)) ? $name : t('[Name Withheld]')),
1487 '$myname' => $r[0]['username'],
1488 '$siteurl' => $a->get_baseurl(),
1489 '$sitename' => $a->config['sitename']
1491 $res = mail($r[0]['email'],
1492 t("You have a new follower at ") . $a->config['sitename'],
1494 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
1495 . 'Content-type: text/plain; charset=UTF-8' . "\n"
1496 . 'Content-transfer-encoding: 8bit' );
1503 function lose_follower($importer,$contact,$datarray,$item) {
1505 if(($contact['rel'] == REL_BUD) || ($contact['rel'] == REL_FAN)) {
1506 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d LIMIT 1",
1508 intval($contact['id'])
1512 contact_remove($contact['id']);
1517 function subscribe_to_hub($url,$importer,$contact) {
1519 if(is_array($importer)) {
1520 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1521 intval($importer['uid'])
1527 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1529 // Use a single verify token, even if multiple hubs
1531 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1533 $params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1535 logger('subscribe_to_hub: subscribing ' . $contact['name'] . ' to hub ' . $url . ' with verifier ' . $verify_token);
1537 if(! strlen($contact['hub-verify'])) {
1538 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1",
1539 dbesc($verify_token),
1540 intval($contact['id'])
1544 post_url($url,$params);
1550 function atom_author($tag,$name,$uri,$h,$w,$photo) {
1554 $name = xmlify($name);
1555 $uri = xmlify($uri);
1558 $photo = xmlify($photo);
1562 $o .= "<name>$name</name>\r\n";
1563 $o .= "<uri>$uri</uri>\r\n";
1564 $o .= '<link rel="photo" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1565 $o .= '<link rel="avatar" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1567 call_hooks('atom_author', $o);
1569 $o .= "</$tag>\r\n";
1573 function atom_entry($item,$type,$author,$owner,$comment = false) {
1577 if($item['deleted'])
1578 return '<at:deleted-entry ref="' . xmlify($item['uri']) . '" when="' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '" />' . "\r\n";
1581 if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1582 $body = fix_private_photos($item['body'],$owner['uid']);
1584 $body = $item['body'];
1587 $o = "\r\n\r\n<entry>\r\n";
1589 if(is_array($author))
1590 $o .= atom_author('author',$author['name'],$author['url'],80,80,$author['thumb']);
1592 $o .= atom_author('author',(($item['author-name']) ? $item['author-name'] : $item['name']),(($item['author-link']) ? $item['author-link'] : $item['url']),80,80,(($item['author-avatar']) ? $item['author-avatar'] : $item['thumb']));
1593 if(strlen($item['owner-name']))
1594 $o .= atom_author('dfrn:owner',$item['owner-name'],$item['owner-link'],80,80,$item['owner-avatar']);
1596 if($item['parent'] != $item['id'])
1597 $o .= '<thr:in-reply-to ref="' . xmlify($item['parent-uri']) . '" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1599 $o .= '<id>' . xmlify($item['uri']) . '</id>' . "\r\n";
1600 $o .= '<title>' . xmlify($item['title']) . '</title>' . "\r\n";
1601 $o .= '<published>' . xmlify(datetime_convert('UTC','UTC',$item['created'] . '+00:00',ATOM_TIME)) . '</published>' . "\r\n";
1602 $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n";
1603 $o .= '<dfrn:env>' . base64url_encode($body, true) . '</dfrn:env>' . "\r\n";
1604 $o .= '<content type="' . $type . '" >' . xmlify(($type === 'html') ? bbcode($body) : $body) . '</content>' . "\r\n";
1605 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1607 $o .= '<dfrn:comment-allow>' . intval($item['last-child']) . '</dfrn:comment-allow>' . "\r\n";
1609 if($item['location']) {
1610 $o .= '<dfrn:location>' . xmlify($item['location']) . '</dfrn:location>' . "\r\n";
1611 $o .= '<poco:address><poco:formatted>' . xmlify($item['location']) . '</poco:formatted></poco:address>' . "\r\n";
1615 $o .= '<georss:point>' . xmlify($item['coord']) . '</georss:point>' . "\r\n";
1617 if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
1618 $o .= '<dfrn:private>1</dfrn:private>' . "\r\n";
1621 $o .= '<dfrn:extid>' . $item['extid'] . '</dfrn:extid>' . "\r\n";
1624 $verb = construct_verb($item);
1625 $o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
1626 $actobj = construct_activity_object($item);
1629 $actarg = construct_activity_target($item);
1633 $tags = item_getfeedtags($item);
1635 foreach($tags as $t) {
1636 $o .= '<category scheme="X-DFRN:' . xmlify($t[0]) . ':' . xmlify($t[1]) . '" term="' . xmlify($t[2]) . '" />' . "\r\n";
1640 $o .= item_getfeedattach($item);
1642 $mentioned = get_mentions($item);
1646 call_hooks('atom_entry', $o);
1648 $o .= '</entry>' . "\r\n";
1653 function fix_private_photos($s,$uid) {
1655 logger('fix_private_photos');
1657 if(preg_match("/\[img\](.*?)\[\/img\]/is",$s,$matches)) {
1658 $image = $matches[1];
1659 logger('fix_private_photos: found photo ' . $image);
1660 if(stristr($image ,$a->get_baseurl() . '/photo/')) {
1661 $i = basename($image);
1662 $i = str_replace('.jpg','',$i);
1663 $x = strpos($i,'-');
1665 $res = substr($i,$x+1);
1666 $i = substr($i,0,$x);
1667 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1673 logger('replacing photo');
1674 $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s);
1677 logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA);
1685 function item_getfeedtags($item) {
1688 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1690 for($x = 0; $x < count($matches); $x ++) {
1692 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1696 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1698 for($x = 0; $x < count($matches); $x ++) {
1700 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1706 function item_getfeedattach($item) {
1708 $arr = explode(',',$item['attach']);
1710 foreach($arr as $r) {
1712 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
1714 $ret .= '<link rel="enclosure" href="' . xmlify($matches[1]) . '" type="' . xmlify($matches[3]) . '" ';
1715 if(intval($matches[2]))
1716 $ret .= 'size="' . intval($matches[2]) . '" ';
1717 if($matches[4] !== ' ')
1718 $ret .= 'title="' . xmlify(trim($matches[4])) . '" ';
1719 $ret .= ' />' . "\r\n";
1728 function item_expire($uid,$days) {
1730 if((! $uid) || (! $days))
1733 $r = q("SELECT * FROM `item`
1735 AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY
1745 logger('expire: # items=' . count($r) );
1747 foreach($r as $item) {
1749 // Only expire posts, not photos and photo comments
1751 if(strlen($item['resource-id']))
1754 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1755 dbesc(datetime_convert()),
1756 dbesc(datetime_convert()),
1762 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1763 dbesc(datetime_convert()),
1764 dbesc(datetime_convert()),
1765 dbesc($item['parent-uri']),
1766 intval($item['uid'])
1771 proc_run('php',"include/notifier.php","expire","$uid");
1776 function drop_items($items) {
1780 foreach($items as $item) {
1781 $owner = drop_item($item,false);
1782 if($owner && ! $uid)
1787 // multiple threads may have been deleted, send an expire notification
1790 proc_run('php',"include/notifier.php","expire","$uid");
1794 function drop_item($id,$interactive = true) {
1798 // locate item to be deleted
1800 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
1807 notice( t('Item not found.') . EOL);
1808 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1813 $owner = $item['uid'];
1815 // check if logged in user is either the author or owner of this item
1817 if((local_user() == $item['uid']) || (remote_user() == $item['contact-id'])) {
1821 $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1822 dbesc(datetime_convert()),
1823 dbesc(datetime_convert()),
1827 // If item is a link to a photo resource, nuke all the associated photos
1828 // (visitors will not have photo resources)
1829 // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1830 // generate a resource-id and therefore aren't intimately linked to the item.
1832 if(strlen($item['resource-id'])) {
1833 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
1834 dbesc($item['resource-id']),
1835 intval($item['uid'])
1837 // ignore the result
1840 // If item is a link to an event, nuke the event record.
1842 if(intval($item['event-id'])) {
1843 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1844 intval($item['event-id']),
1845 intval($item['uid'])
1847 // ignore the result
1851 // If it's the parent of a comment thread, kill all the kids
1853 if($item['uri'] == $item['parent-uri']) {
1854 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
1855 WHERE `parent-uri` = '%s' AND `uid` = %d ",
1856 dbesc(datetime_convert()),
1857 dbesc(datetime_convert()),
1858 dbesc($item['parent-uri']),
1859 intval($item['uid'])
1861 // ignore the result
1864 // ensure that last-child is set in case the comment that had it just got wiped.
1865 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1866 dbesc(datetime_convert()),
1867 dbesc($item['parent-uri']),
1868 intval($item['uid'])
1870 // who is the last child now?
1871 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
1872 dbesc($item['parent-uri']),
1873 intval($item['uid'])
1876 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1881 $drop_id = intval($item['id']);
1883 // send the notification upstream/downstream as the case may be
1888 proc_run('php',"include/notifier.php","drop","$drop_id");
1889 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1895 notice( t('Permission denied.') . EOL);
1896 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);