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']);
339 $apps = $item->get_item_tags(NAMESPACE_STATUSNET,'notice_info');
340 if($apps && $apps[0]['attribs']['']['source']) {
341 $res['app'] = strip_tags(unxmlify($apps[0]['attribs']['']['source']));
342 if($res['app'] === 'web')
343 $res['app'] = 'OStatus';
347 * If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
350 $have_real_body = false;
352 $rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env');
354 $have_real_body = true;
355 $res['body'] = $rawenv[0]['data'];
356 $res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']);
357 // make sure nobody is trying to sneak some html tags by us
358 $res['body'] = notags(base64url_decode($res['body']));
361 $maxlen = get_max_import_size();
362 if($maxlen && (strlen($res['body']) > $maxlen))
363 $res['body'] = substr($res['body'],0, $maxlen);
365 // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
366 // the content type. Our own network only emits text normally, though it might have been converted to
367 // html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will
368 // have to assume it is all html and needs to be purified.
370 // It doesn't matter all that much security wise - because before this content is used anywhere, we are
371 // going to escape any tags we find regardless, but this lets us import a limited subset of html from
372 // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
375 if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
377 $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
378 '[youtube]$1[/youtube]', $res['body']);
380 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
381 '[youtube]$1[/youtube]', $res['body']);
383 $res['body'] = oembed_html2bbcode($res['body']);
385 $config = HTMLPurifier_Config::createDefault();
386 $config->set('Cache.DefinitionImpl', null);
388 // we shouldn't need a whitelist, because the bbcode converter
389 // will strip out any unsupported tags.
390 // $config->set('HTML.Allowed', 'p,b,a[href],i');
392 $purifier = new HTMLPurifier($config);
393 $res['body'] = $purifier->purify($res['body']);
395 $res['body'] = html2bbcode($res['body']);
398 $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
399 if($allow && $allow[0]['data'] == 1)
400 $res['last-child'] = 1;
402 $res['last-child'] = 0;
404 $private = $item->get_item_tags(NAMESPACE_DFRN,'private');
405 if($private && $private[0]['data'] == 1)
410 $extid = $item->get_item_tags(NAMESPACE_DFRN,'extid');
411 if($extid && $extid[0]['data'])
412 $res['extid'] = $extid[0]['data'];
414 $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
416 $res['location'] = unxmlify($rawlocation[0]['data']);
419 $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
421 $res['created'] = unxmlify($rawcreated[0]['data']);
424 $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
426 $res['edited'] = unxmlify($rawedited[0]['data']);
428 if((x($res,'edited')) && (! (x($res,'created'))))
429 $res['created'] = $res['edited'];
431 if(! $res['created'])
432 $res['created'] = $item->get_date('c');
435 $res['edited'] = $item->get_date('c');
438 // Disallow time travelling posts
440 $d1 = strtotime($res['created']);
441 $d2 = strtotime($res['edited']);
442 $d3 = strtotime('now');
445 $res['created'] = datetime_convert();
447 $res['edited'] = datetime_convert();
449 $rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
450 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
451 $res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
452 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
453 $res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
454 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
455 $res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
456 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
457 $res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
459 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
460 $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
462 foreach($base as $link) {
463 if(! $res['owner-avatar']) {
464 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
465 $res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
470 $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
472 $res['coord'] = unxmlify($rawgeo[0]['data']);
475 $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
477 // select between supported verbs
480 $res['verb'] = unxmlify($rawverb[0]['data']);
483 // translate OStatus unfollow to activity streams if it happened to get selected
485 if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
486 $res['verb'] = ACTIVITY_UNFOLLOW;
489 $cats = $item->get_categories();
492 foreach($cats as $cat) {
493 $term = $cat->get_term();
495 $term = $cat->get_label();
496 $scheme = $cat->get_scheme();
497 if($scheme && $term && stristr($scheme,'X-DFRN:'))
498 $tag_arr[] = substr($scheme,7,1) . '[url=' . unxmlify(substr($scheme,9)) . ']' . unxmlify($term) . '[/url]';
500 $tag_arr[] = notags(trim($term));
502 $res['tag'] = implode(',', $tag_arr);
505 $attach = $item->get_enclosures();
508 foreach($attach as $att) {
509 $len = intval($att->get_length());
510 $link = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_link()))));
511 $title = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_title()))));
512 $type = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_type()))));
513 if(strpos($type,';'))
514 $type = substr($type,0,strpos($type,';'));
515 if((! $link) || (strpos($link,'http') !== 0))
521 $type = 'application/octet-stream';
523 $att_arr[] = '[attach]href="' . $link . '" size="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]';
525 $res['attach'] = implode(',', $att_arr);
528 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
531 $res['object'] = '<object>' . "\n";
532 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
533 $res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'];
534 $res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
536 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
537 $res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
538 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
539 $res['object'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
540 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
541 $res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
542 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
543 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
545 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
546 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
547 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
548 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
550 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
551 '[youtube]$1[/youtube]', $body);
553 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
554 '[youtube]$1[/youtube]', $res['body']);
557 $config = HTMLPurifier_Config::createDefault();
558 $config->set('Cache.DefinitionImpl', null);
560 $purifier = new HTMLPurifier($config);
561 $body = $purifier->purify($body);
562 $body = html2bbcode($body);
565 $res['object'] .= '<content>' . $body . '</content>' . "\n";
568 $res['object'] .= '</object>' . "\n";
571 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target');
574 $res['target'] = '<target>' . "\n";
575 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
576 $res['target'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
578 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
579 $res['target'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
581 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
582 $res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
583 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
584 $res['target'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
585 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
586 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
588 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
589 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
590 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
591 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
593 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
594 '[youtube]$1[/youtube]', $body);
596 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
597 '[youtube]$1[/youtube]', $res['body']);
599 $config = HTMLPurifier_Config::createDefault();
600 $config->set('Cache.DefinitionImpl', null);
602 $purifier = new HTMLPurifier($config);
603 $body = $purifier->purify($body);
604 $body = html2bbcode($body);
607 $res['target'] .= '<content>' . $body . '</content>' . "\n";
610 $res['target'] .= '</target>' . "\n";
613 $arr = array('feed' => $feed, 'item' => $item, 'result' => $res);
615 call_hooks('parse_atom', $arr);
620 function encode_rel_links($links) {
622 if(! ((is_array($links)) && (count($links))))
624 foreach($links as $link) {
626 if($link['attribs']['']['rel'])
627 $o .= 'rel="' . $link['attribs']['']['rel'] . '" ';
628 if($link['attribs']['']['type'])
629 $o .= 'type="' . $link['attribs']['']['type'] . '" ';
630 if($link['attribs']['']['href'])
631 $o .= 'href="' . $link['attribs']['']['href'] . '" ';
632 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width'])
633 $o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
634 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height'])
635 $o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
641 function item_store($arr,$force_parent = false) {
644 $arr['gravity'] = intval($arr['gravity']);
645 elseif($arr['parent-uri'] == $arr['uri'])
647 elseif(activity_match($arr['verb'],ACTIVITY_POST))
650 $arr['gravity'] = 6; // extensible catchall
653 $arr['type'] = 'remote';
655 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
657 if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
658 $arr['body'] = strip_tags($arr['body']);
661 $arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0);
662 $arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string());
663 $arr['extid'] = ((x($arr,'extid')) ? notags(trim($arr['extid'])) : '');
664 $arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : '');
665 $arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : '');
666 $arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
667 $arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : '');
668 $arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : '');
669 $arr['owner-avatar'] = ((x($arr,'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
670 $arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
671 $arr['edited'] = ((x($arr,'edited') !== false) ? datetime_convert('UTC','UTC',$arr['edited']) : datetime_convert());
672 $arr['received'] = datetime_convert();
673 $arr['changed'] = datetime_convert();
674 $arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : '');
675 $arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : '');
676 $arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : '');
677 $arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 );
678 $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 );
680 $arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : '');
681 $arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : '');
682 $arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : '');
683 $arr['object'] = ((x($arr,'object')) ? trim($arr['object']) : '');
684 $arr['target-type'] = ((x($arr,'target-type')) ? notags(trim($arr['target-type'])) : '');
685 $arr['target'] = ((x($arr,'target')) ? trim($arr['target']) : '');
686 $arr['plink'] = ((x($arr,'plink')) ? notags(trim($arr['plink'])) : '');
687 $arr['allow_cid'] = ((x($arr,'allow_cid')) ? trim($arr['allow_cid']) : '');
688 $arr['allow_gid'] = ((x($arr,'allow_gid')) ? trim($arr['allow_gid']) : '');
689 $arr['deny_cid'] = ((x($arr,'deny_cid')) ? trim($arr['deny_cid']) : '');
690 $arr['deny_gid'] = ((x($arr,'deny_gid')) ? trim($arr['deny_gid']) : '');
691 $arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0 );
692 $arr['body'] = ((x($arr,'body')) ? trim($arr['body']) : '');
693 $arr['tag'] = ((x($arr,'tag')) ? notags(trim($arr['tag'])) : '');
694 $arr['attach'] = ((x($arr,'attach')) ? notags(trim($arr['attach'])) : '');
695 $arr['app'] = ((x($arr,'app')) ? notags(trim($arr['app'])) : '');
697 if($arr['parent-uri'] === $arr['uri']) {
699 $allow_cid = $arr['allow_cid'];
700 $allow_gid = $arr['allow_gid'];
701 $deny_cid = $arr['deny_cid'];
702 $deny_gid = $arr['deny_gid'];
706 // find the parent and snarf the item id and ACL's
707 // and anything else we need to inherit
709 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
710 dbesc($arr['parent-uri']),
716 // is the new message multi-level threaded?
717 // even though we don't support it now, preserve the info
718 // and re-attach to the conversation parent.
720 if($r[0]['uri'] != $r[0]['parent-uri']) {
721 $arr['thr-parent'] = $arr['parent-uri'];
722 $arr['parent-uri'] = $r[0]['parent-uri'];
725 $parent_id = $r[0]['id'];
726 $parent_deleted = $r[0]['deleted'];
727 $allow_cid = $r[0]['allow_cid'];
728 $allow_gid = $r[0]['allow_gid'];
729 $deny_cid = $r[0]['deny_cid'];
730 $deny_gid = $r[0]['deny_gid'];
731 $arr['wall'] = $r[0]['wall'];
735 // Allow one to see reply tweets from status.net even when
736 // we don't have or can't see the original post.
739 logger('item_store: $force_parent=true, reply converted to top-level post.');
741 $arr['thr-parent'] = $arr['parent-uri'];
742 $arr['parent-uri'] = $arr['uri'];
746 logger('item_store: item parent was not found - ignoring item');
752 call_hooks('post_remote',$arr);
756 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
758 $r = dbq("INSERT INTO `item` (`"
759 . implode("`, `", array_keys($arr))
761 . implode("', '", array_values($arr))
764 // find the item we just created
766 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
767 $arr['uri'], // already dbesc'd
771 // This is not good, but perhaps we encountered a rare race/cache condition, so back off and try again.
773 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
774 $arr['uri'], // already dbesc'd
780 $current_post = $r[0]['id'];
781 logger('item_store: created item ' . $current_post);
784 logger('item_store: could not locate created item');
788 if((! $parent_id) || ($arr['parent-uri'] === $arr['uri']))
789 $parent_id = $current_post;
791 if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid))
794 $private = $arr['private'];
796 // Set parent id - and also make sure to inherit the parent's ACL's.
798 $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
799 `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d LIMIT 1",
806 intval($parent_deleted),
807 intval($current_post)
811 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
814 if($arr['last-child']) {
815 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
818 intval($current_post)
822 return $current_post;
825 function get_item_contact($item,$contacts) {
826 if(! count($contacts) || (! is_array($item)))
828 foreach($contacts as $contact) {
829 if($contact['id'] == $item['contact-id']) {
838 function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
842 if((! strlen($contact['issued-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY)))
845 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
847 if($contact['duplex'] && $contact['dfrn-id'])
848 $idtosend = '0:' . $orig_id;
849 if($contact['duplex'] && $contact['issued-id'])
850 $idtosend = '1:' . $orig_id;
852 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
854 $rino_enable = get_config('system','rino_encrypt');
859 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
861 logger('dfrn_deliver: ' . $url);
863 $xml = fetch_url($url);
865 $curl_stat = $a->get_curl_code();
867 return(-1); // timed out
869 logger('dfrn_deliver: ' . $xml);
874 if(strpos($xml,'<?xml') === false) {
875 logger('dfrn_deliver: no valid XML returned');
876 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
880 $res = parse_xml_string($xml);
882 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
883 return (($res->status) ? $res->status : 3);
886 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
887 $challenge = hex2bin((string) $res->challenge);
888 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
889 $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0);
894 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
895 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
896 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
899 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
900 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
903 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
905 if(strpos($final_dfrn_id,':') == 1)
906 $final_dfrn_id = substr($final_dfrn_id,2);
908 if($final_dfrn_id != $orig_id) {
909 logger('dfrn_deliver: wrong dfrn_id.');
910 // did not decode properly - cannot trust this site
914 $postvars['dfrn_id'] = $idtosend;
915 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
917 $postvars['dissolve'] = '1';
920 if((($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
921 $postvars['data'] = $atom;
922 $postvars['perm'] = 'rw';
925 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
926 $postvars['perm'] = 'r';
929 if($rino && $rino_allowed && (! $dissolve)) {
930 $key = substr(random_string(),0,16);
931 $data = bin2hex(aes_encrypt($postvars['data'],$key));
932 $postvars['data'] = $data;
933 logger('rino: sent key = ' . $key);
936 if($dfrn_version >= 2.1) {
937 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
938 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
941 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
945 if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
946 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
949 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
953 logger('md5 rawkey ' . md5($postvars['key']));
955 $postvars['key'] = bin2hex($postvars['key']);
958 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
960 $xml = post_url($contact['notify'],$postvars);
962 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
964 $curl_stat = $a->get_curl_code();
965 if((! $curl_stat) || (! strlen($xml)))
966 return(-1); // timed out
968 if(strpos($xml,'<?xml') === false) {
969 logger('dfrn_deliver: phase 2: no valid XML returned');
970 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
974 $res = parse_xml_string($xml);
982 * consume_feed - process atom feed and update anything/everything we might need to update
984 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
986 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
987 * It is this person's stuff that is going to be updated.
988 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
989 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
990 * have a contact record.
991 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
992 * might not) try and subscribe to it.
996 function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $secure_feed = false) {
998 require_once('library/simplepie/simplepie.inc');
1000 $feed = new SimplePie();
1001 $feed->set_raw_data($xml);
1003 $feed->enable_order_by_date(true);
1005 $feed->enable_order_by_date(false);
1009 logger('consume_feed: Error parsing XML: ' . $feed->error());
1011 $permalink = $feed->get_permalink();
1013 // Check at the feed level for updated contact name and/or photo
1017 $photo_timestamp = '';
1021 $hubs = $feed->get_links('hub');
1024 $hub = implode(',', $hubs);
1026 $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
1028 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
1029 if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
1030 $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
1031 $new_name = $elems['name'][0]['data'];
1033 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
1034 $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
1035 $photo_url = $elems['link'][0]['attribs']['']['href'];
1038 if((x($rawtags[0]['child'], NAMESPACE_DFRN)) && (x($rawtags[0]['child'][NAMESPACE_DFRN],'birthday'))) {
1039 $birthday = datetime_convert('UTC','UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
1043 if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
1044 logger('consume_feed: Updating photo for ' . $contact['name']);
1045 require_once("Photo.php");
1046 $photo_failure = false;
1047 $have_photo = false;
1049 $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
1050 intval($contact['id']),
1051 intval($contact['uid'])
1054 $resource_id = $r[0]['resource-id'];
1058 $resource_id = photo_new_resource();
1061 $img_str = fetch_url($photo_url,true);
1062 $img = new Photo($img_str);
1063 if($img->is_valid()) {
1065 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d",
1066 dbesc($resource_id),
1067 intval($contact['id']),
1068 intval($contact['uid'])
1072 $img->scaleImageSquare(175);
1074 $hash = $resource_id;
1075 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 4);
1077 $img->scaleImage(80);
1078 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 5);
1080 $img->scaleImage(48);
1081 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 6);
1085 q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'
1086 WHERE `uid` = %d AND `id` = %d LIMIT 1",
1087 dbesc(datetime_convert()),
1088 dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'),
1089 dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'),
1090 dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'),
1091 intval($contact['uid']),
1092 intval($contact['id'])
1097 if((is_array($contact)) && ($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
1098 q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1099 dbesc(notags(trim($new_name))),
1100 dbesc(datetime_convert()),
1101 intval($contact['uid']),
1102 intval($contact['id'])
1106 if(strlen($birthday)) {
1107 if(substr($birthday,0,4) != $contact['bdyear']) {
1108 logger('consume_feed: updating birthday: ' . $birthday);
1112 * Add new birthday event for this person
1114 * $bdtext is just a readable placeholder in case the event is shared
1115 * with others. We will replace it during presentation to our $importer
1116 * to contain a sparkle link and perhaps a photo.
1120 $bdtext = t('Birthday:') . ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' ;
1123 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`)
1124 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s' ) ",
1125 intval($contact['uid']),
1126 intval($contact['id']),
1127 dbesc(datetime_convert()),
1128 dbesc(datetime_convert()),
1129 dbesc(datetime_convert('UTC','UTC', $birthday)),
1130 dbesc(datetime_convert('UTC','UTC', $birthday . ' + 1 day ')),
1138 q("UPDATE `contact` SET `bdyear` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1139 dbesc(substr($birthday,0,4)),
1140 intval($contact['uid']),
1141 intval($contact['id'])
1144 // This function is called twice without reloading the contact
1145 // Make sure we only create one event. This is why &$contact
1146 // is a reference var in this function
1148 $contact['bdyear'] = substr($birthday,0,4);
1154 // process any deleted entries
1156 $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
1157 if(is_array($del_entries) && count($del_entries)) {
1158 foreach($del_entries as $dentry) {
1160 if(isset($dentry['attribs']['']['ref'])) {
1161 $uri = $dentry['attribs']['']['ref'];
1163 if(isset($dentry['attribs']['']['when'])) {
1164 $when = $dentry['attribs']['']['when'];
1165 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
1168 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
1170 if($deleted && is_array($contact)) {
1171 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1",
1173 intval($importer['uid']),
1174 intval($contact['id'])
1179 if(! $item['deleted'])
1180 logger('consume_feed: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
1182 if($item['uri'] == $item['parent-uri']) {
1183 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1184 `body` = '', `title` = ''
1185 WHERE `parent-uri` = '%s' AND `uid` = %d",
1187 dbesc(datetime_convert()),
1188 dbesc($item['uri']),
1189 intval($importer['uid'])
1193 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1194 `body` = '', `title` = ''
1195 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1197 dbesc(datetime_convert()),
1199 intval($importer['uid'])
1201 if($item['last-child']) {
1202 // ensure that last-child is set in case the comment that had it just got wiped.
1203 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1204 dbesc(datetime_convert()),
1205 dbesc($item['parent-uri']),
1206 intval($item['uid'])
1208 // who is the last child now?
1209 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
1210 ORDER BY `created` DESC LIMIT 1",
1211 dbesc($item['parent-uri']),
1212 intval($importer['uid'])
1215 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1226 // Now process the feed
1228 if($feed->get_item_quantity()) {
1230 logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
1232 // in inverse date order
1234 $items = array_reverse($feed->get_items());
1236 $items = $feed->get_items();
1239 foreach($items as $item) {
1242 $item_id = $item->get_id();
1243 $rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
1244 if(isset($rawthread[0]['attribs']['']['ref'])) {
1246 $parent_uri = $rawthread[0]['attribs']['']['ref'];
1249 if(($is_reply) && is_array($contact)) {
1251 // Have we seen it? If not, import it.
1253 $item_id = $item->get_id();
1254 $datarray = get_atom_elements($feed,$item);
1256 if(! x($datarray,'author-name'))
1257 $datarray['author-name'] = $contact['name'];
1258 if(! x($datarray,'author-link'))
1259 $datarray['author-link'] = $contact['url'];
1260 if(! x($datarray,'author-avatar'))
1261 $datarray['author-avatar'] = $contact['thumb'];
1264 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1266 intval($importer['uid'])
1269 // Update content if 'updated' changes
1272 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1273 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1274 dbesc($datarray['body']),
1275 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1277 intval($importer['uid'])
1281 // update last-child if it changes
1283 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1284 if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
1285 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1286 dbesc(datetime_convert()),
1288 intval($importer['uid'])
1290 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1291 intval($allow[0]['data']),
1292 dbesc(datetime_convert()),
1294 intval($importer['uid'])
1300 $force_parent = false;
1301 if($contact['network'] === 'stat') {
1302 $force_parent = true;
1303 if(strlen($datarray['title']))
1304 unset($datarray['title']);
1305 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1306 dbesc(datetime_convert()),
1308 intval($importer['uid'])
1310 $datarray['last-child'] = 1;
1313 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1314 // one way feed - no remote comment ability
1315 $datarray['last-child'] = 0;
1317 $datarray['parent-uri'] = $parent_uri;
1318 $datarray['uid'] = $importer['uid'];
1319 $datarray['contact-id'] = $contact['id'];
1320 if((activity_match($datarray['verb'],ACTIVITY_LIKE)) || (activity_match($datarray['verb'],ACTIVITY_DISLIKE))) {
1321 $datarray['type'] = 'activity';
1322 $datarray['gravity'] = GRAVITY_LIKE;
1325 $r = item_store($datarray,$force_parent);
1331 // Head post of a conversation. Have we seen it? If not, import it.
1333 $item_id = $item->get_id();
1335 $datarray = get_atom_elements($feed,$item);
1337 if(is_array($contact)) {
1338 if(! x($datarray,'author-name'))
1339 $datarray['author-name'] = $contact['name'];
1340 if(! x($datarray,'author-link'))
1341 $datarray['author-link'] = $contact['url'];
1342 if(! x($datarray,'author-avatar'))
1343 $datarray['author-avatar'] = $contact['thumb'];
1346 if((x($datarray,'object-type')) && ($datarray['object-type'] === ACTIVITY_OBJ_EVENT)) {
1347 $ev = bbtoevent($datarray['body']);
1348 if(x($ev,'desc') && x($ev,'start')) {
1349 $ev['uid'] = $importer['uid'];
1350 $ev['uri'] = $item_id;
1351 $ev['edited'] = $datarray['edited'];
1353 if(is_array($contact))
1354 $ev['cid'] = $contact['id'];
1355 $r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1357 intval($importer['uid'])
1360 $ev['id'] = $r[0]['id'];
1361 $xyz = event_store($ev);
1366 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1368 intval($importer['uid'])
1371 // Update content if 'updated' changes
1374 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1375 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1376 dbesc($datarray['body']),
1377 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1379 intval($importer['uid'])
1383 // update last-child if it changes
1385 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1386 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
1387 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1388 intval($allow[0]['data']),
1389 dbesc(datetime_convert()),
1391 intval($importer['uid'])
1397 if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) {
1398 logger('consume-feed: New follower');
1399 new_follower($importer,$contact,$datarray,$item);
1402 if(activity_match($datarray['verb'],ACTIVITY_UNFOLLOW)) {
1403 lose_follower($importer,$contact,$datarray,$item);
1406 if(! is_array($contact))
1409 if($contact['network'] === 'stat' || stristr($permalink,'twitter.com')) {
1410 if(strlen($datarray['title']))
1411 unset($datarray['title']);
1412 $datarray['last-child'] = 1;
1415 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1416 // one way feed - no remote comment ability
1417 $datarray['last-child'] = 0;
1420 // This is my contact on another system, but it's really me.
1421 // Turn this into a wall post.
1423 if($contact['remote_self'])
1424 $datarray['wall'] = 1;
1426 $datarray['parent-uri'] = $item_id;
1427 $datarray['uid'] = $importer['uid'];
1428 $datarray['contact-id'] = $contact['id'];
1429 $r = item_store($datarray);
1437 function new_follower($importer,$contact,$datarray,$item) {
1438 $url = notags(trim($datarray['author-link']));
1439 $name = notags(trim($datarray['author-name']));
1440 $photo = notags(trim($datarray['author-avatar']));
1442 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1443 if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
1444 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1446 if(is_array($contact)) {
1447 if($contact['network'] == 'stat' && $contact['rel'] == REL_FAN) {
1448 $r = q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
1450 intval($contact['id']),
1451 intval($importer['uid'])
1455 // send email notification to owner?
1459 // create contact record
1461 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`,
1462 `blocked`, `readonly`, `pending`, `writable` )
1463 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1 ) ",
1464 intval($importer['uid']),
1465 dbesc(datetime_convert()),
1473 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 AND `rel` = %d LIMIT 1",
1474 intval($importer['uid']),
1479 $contact_record = $r[0];
1481 // create notification
1482 $hash = random_string();
1484 if(is_array($contact_record)) {
1485 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
1486 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
1487 intval($importer['uid']),
1488 intval($contact_record['id']),
1490 dbesc(datetime_convert())
1493 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1494 intval($importer['uid'])
1498 if(($r[0]['notify-flags'] & NOTIFY_INTRO) && ($r[0]['page-flags'] == PAGE_NORMAL)) {
1499 $email_tpl = get_intltext_template('follow_notify_eml.tpl');
1500 $email = replace_macros($email_tpl, array(
1501 '$requestor' => ((strlen($name)) ? $name : t('[Name Withheld]')),
1503 '$myname' => $r[0]['username'],
1504 '$siteurl' => $a->get_baseurl(),
1505 '$sitename' => $a->config['sitename']
1507 $res = mail($r[0]['email'],
1508 t("You have a new follower at ") . $a->config['sitename'],
1510 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
1511 . 'Content-type: text/plain; charset=UTF-8' . "\n"
1512 . 'Content-transfer-encoding: 8bit' );
1519 function lose_follower($importer,$contact,$datarray,$item) {
1521 if(($contact['rel'] == REL_BUD) || ($contact['rel'] == REL_FAN)) {
1522 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d LIMIT 1",
1524 intval($contact['id'])
1528 contact_remove($contact['id']);
1533 function subscribe_to_hub($url,$importer,$contact) {
1535 if(is_array($importer)) {
1536 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1537 intval($importer['uid'])
1543 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1545 // Use a single verify token, even if multiple hubs
1547 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1549 $params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1551 logger('subscribe_to_hub: subscribing ' . $contact['name'] . ' to hub ' . $url . ' with verifier ' . $verify_token);
1553 if(! strlen($contact['hub-verify'])) {
1554 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1",
1555 dbesc($verify_token),
1556 intval($contact['id'])
1560 post_url($url,$params);
1566 function atom_author($tag,$name,$uri,$h,$w,$photo) {
1570 $name = xmlify($name);
1571 $uri = xmlify($uri);
1574 $photo = xmlify($photo);
1578 $o .= "<name>$name</name>\r\n";
1579 $o .= "<uri>$uri</uri>\r\n";
1580 $o .= '<link rel="photo" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1581 $o .= '<link rel="avatar" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1583 call_hooks('atom_author', $o);
1585 $o .= "</$tag>\r\n";
1589 function atom_entry($item,$type,$author,$owner,$comment = false) {
1593 if($item['deleted'])
1594 return '<at:deleted-entry ref="' . xmlify($item['uri']) . '" when="' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '" />' . "\r\n";
1597 if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1598 $body = fix_private_photos($item['body'],$owner['uid']);
1600 $body = $item['body'];
1603 $o = "\r\n\r\n<entry>\r\n";
1605 if(is_array($author))
1606 $o .= atom_author('author',$author['name'],$author['url'],80,80,$author['thumb']);
1608 $o .= atom_author('author',(($item['author-name']) ? $item['author-name'] : $item['name']),(($item['author-link']) ? $item['author-link'] : $item['url']),80,80,(($item['author-avatar']) ? $item['author-avatar'] : $item['thumb']));
1609 if(strlen($item['owner-name']))
1610 $o .= atom_author('dfrn:owner',$item['owner-name'],$item['owner-link'],80,80,$item['owner-avatar']);
1612 if($item['parent'] != $item['id'])
1613 $o .= '<thr:in-reply-to ref="' . xmlify($item['parent-uri']) . '" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1615 $o .= '<id>' . xmlify($item['uri']) . '</id>' . "\r\n";
1616 $o .= '<title>' . xmlify($item['title']) . '</title>' . "\r\n";
1617 $o .= '<published>' . xmlify(datetime_convert('UTC','UTC',$item['created'] . '+00:00',ATOM_TIME)) . '</published>' . "\r\n";
1618 $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n";
1619 $o .= '<dfrn:env>' . base64url_encode($body, true) . '</dfrn:env>' . "\r\n";
1620 $o .= '<content type="' . $type . '" >' . xmlify(($type === 'html') ? bbcode($body) : $body) . '</content>' . "\r\n";
1621 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1623 $o .= '<dfrn:comment-allow>' . intval($item['last-child']) . '</dfrn:comment-allow>' . "\r\n";
1625 if($item['location']) {
1626 $o .= '<dfrn:location>' . xmlify($item['location']) . '</dfrn:location>' . "\r\n";
1627 $o .= '<poco:address><poco:formatted>' . xmlify($item['location']) . '</poco:formatted></poco:address>' . "\r\n";
1631 $o .= '<georss:point>' . xmlify($item['coord']) . '</georss:point>' . "\r\n";
1633 if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
1634 $o .= '<dfrn:private>1</dfrn:private>' . "\r\n";
1637 $o .= '<dfrn:extid>' . $item['extid'] . '</dfrn:extid>' . "\r\n";
1640 $o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . $item['app'] . '" ></statusnet:notice_info>';
1641 $verb = construct_verb($item);
1642 $o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
1643 $actobj = construct_activity_object($item);
1646 $actarg = construct_activity_target($item);
1650 $tags = item_getfeedtags($item);
1652 foreach($tags as $t) {
1653 $o .= '<category scheme="X-DFRN:' . xmlify($t[0]) . ':' . xmlify($t[1]) . '" term="' . xmlify($t[2]) . '" />' . "\r\n";
1657 $o .= item_getfeedattach($item);
1659 $mentioned = get_mentions($item);
1663 call_hooks('atom_entry', $o);
1665 $o .= '</entry>' . "\r\n";
1670 function fix_private_photos($s,$uid) {
1672 logger('fix_private_photos');
1674 if(preg_match("/\[img\](.*?)\[\/img\]/is",$s,$matches)) {
1675 $image = $matches[1];
1676 logger('fix_private_photos: found photo ' . $image);
1677 if(stristr($image ,$a->get_baseurl() . '/photo/')) {
1678 $i = basename($image);
1679 $i = str_replace('.jpg','',$i);
1680 $x = strpos($i,'-');
1682 $res = substr($i,$x+1);
1683 $i = substr($i,0,$x);
1684 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1690 logger('replacing photo');
1691 $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s);
1694 logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA);
1702 function item_getfeedtags($item) {
1705 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1707 for($x = 0; $x < count($matches); $x ++) {
1709 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1713 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1715 for($x = 0; $x < count($matches); $x ++) {
1717 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1723 function item_getfeedattach($item) {
1725 $arr = explode(',',$item['attach']);
1727 foreach($arr as $r) {
1729 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
1731 $ret .= '<link rel="enclosure" href="' . xmlify($matches[1]) . '" type="' . xmlify($matches[3]) . '" ';
1732 if(intval($matches[2]))
1733 $ret .= 'size="' . intval($matches[2]) . '" ';
1734 if($matches[4] !== ' ')
1735 $ret .= 'title="' . xmlify(trim($matches[4])) . '" ';
1736 $ret .= ' />' . "\r\n";
1745 function item_expire($uid,$days) {
1747 if((! $uid) || (! $days))
1750 $r = q("SELECT * FROM `item`
1752 AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY
1762 logger('expire: # items=' . count($r) );
1764 foreach($r as $item) {
1766 // Only expire posts, not photos and photo comments
1768 if(strlen($item['resource-id']))
1771 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1772 dbesc(datetime_convert()),
1773 dbesc(datetime_convert()),
1779 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1780 dbesc(datetime_convert()),
1781 dbesc(datetime_convert()),
1782 dbesc($item['parent-uri']),
1783 intval($item['uid'])
1788 proc_run('php',"include/notifier.php","expire","$uid");
1793 function drop_items($items) {
1797 foreach($items as $item) {
1798 $owner = drop_item($item,false);
1799 if($owner && ! $uid)
1804 // multiple threads may have been deleted, send an expire notification
1807 proc_run('php',"include/notifier.php","expire","$uid");
1811 function drop_item($id,$interactive = true) {
1815 // locate item to be deleted
1817 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
1824 notice( t('Item not found.') . EOL);
1825 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1830 $owner = $item['uid'];
1832 // check if logged in user is either the author or owner of this item
1834 if((local_user() == $item['uid']) || (remote_user() == $item['contact-id'])) {
1838 $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1839 dbesc(datetime_convert()),
1840 dbesc(datetime_convert()),
1844 // If item is a link to a photo resource, nuke all the associated photos
1845 // (visitors will not have photo resources)
1846 // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1847 // generate a resource-id and therefore aren't intimately linked to the item.
1849 if(strlen($item['resource-id'])) {
1850 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
1851 dbesc($item['resource-id']),
1852 intval($item['uid'])
1854 // ignore the result
1857 // If item is a link to an event, nuke the event record.
1859 if(intval($item['event-id'])) {
1860 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1861 intval($item['event-id']),
1862 intval($item['uid'])
1864 // ignore the result
1868 // If it's the parent of a comment thread, kill all the kids
1870 if($item['uri'] == $item['parent-uri']) {
1871 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
1872 WHERE `parent-uri` = '%s' AND `uid` = %d ",
1873 dbesc(datetime_convert()),
1874 dbesc(datetime_convert()),
1875 dbesc($item['parent-uri']),
1876 intval($item['uid'])
1878 // ignore the result
1881 // ensure that last-child is set in case the comment that had it just got wiped.
1882 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1883 dbesc(datetime_convert()),
1884 dbesc($item['parent-uri']),
1885 intval($item['uid'])
1887 // who is the last child now?
1888 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
1889 dbesc($item['parent-uri']),
1890 intval($item['uid'])
1893 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1898 $drop_id = intval($item['id']);
1900 // send the notification upstream/downstream as the case may be
1905 proc_run('php',"include/notifier.php","drop","$drop_id");
1906 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1912 notice( t('Permission denied.') . EOL);
1913 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);