3 require_once('include/bbcode.php');
4 require_once('include/oembed.php');
5 require_once('include/salmon.php');
6 require_once('include/crypto.php');
8 function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) {
10 // default permissions - anonymous user
12 if(! strlen($owner_nick))
15 $public_feed = (($dfrn_id) ? false : true);
19 if($public_feed && $a->argc > 2) {
20 for($x = 2; $x < $a->argc; $x++) {
21 if($a->argv[$x] == 'converse')
23 if($a->argv[$x] == 'starred')
29 $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
31 $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`
32 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
33 WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
41 $owner_id = $owner['user_uid'];
42 $owner_nick = $owner['nickname'];
44 $birthday = feed_birthday($owner_id,$owner['timezone']);
51 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
55 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
56 $my_id = '1:' . $dfrn_id;
59 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
60 $my_id = '0:' . $dfrn_id;
67 $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
75 $groups = init_groups_visitor($contact['id']);
78 for($x = 0; $x < count($groups); $x ++)
79 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
80 $gs = implode('|', $groups);
83 $gs = '<<>>' ; // Impossible to match
85 $sql_extra = sprintf("
86 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
87 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
88 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
89 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
91 intval($contact['id']),
92 intval($contact['id']),
103 if(! strlen($last_update))
104 $last_update = 'now -30 days';
108 $sql_extra .= " AND `contact`.`self` = 1 ";
111 $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
113 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
114 `contact`.`name`, `contact`.`photo`, `contact`.`url`,
115 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
116 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
117 `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
118 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
119 FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
120 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
121 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`parent` != 0
122 AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
123 AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
125 ORDER BY `parent` %s, `created` ASC LIMIT 0, 300",
132 // Will check further below if this actually returned results.
133 // We will provide an empty feed if that is the case.
137 $feed_template = get_markup_template(($dfrn_id) ? 'atom_feed_dfrn.tpl' : 'atom_feed.tpl');
141 $hubxml = feed_hublinks();
143 $salmon = feed_salmonlinks($owner_nick);
145 $atom .= replace_macros($feed_template, array(
146 '$version' => xmlify(FRIENDIKA_VERSION),
147 '$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner_nick),
148 '$feed_title' => xmlify($owner['name']),
149 '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now' , ATOM_TIME)) ,
151 '$salmon' => $salmon,
152 '$name' => xmlify($owner['name']),
153 '$profile_page' => xmlify($owner['url']),
154 '$photo' => xmlify($owner['photo']),
155 '$thumb' => xmlify($owner['thumb']),
156 '$picdate' => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
157 '$uridate' => xmlify(datetime_convert('UTC','UTC',$owner['uri-date'] . '+00:00' , ATOM_TIME)) ,
158 '$namdate' => xmlify(datetime_convert('UTC','UTC',$owner['name-date'] . '+00:00' , ATOM_TIME)) ,
159 '$birthday' => ((strlen($birthday)) ? '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>' : '')
162 call_hooks('atom_feed', $atom);
164 if(! count($items)) {
166 call_hooks('atom_feed_end', $atom);
168 $atom .= '</feed>' . "\r\n";
172 foreach($items as $item) {
174 // public feeds get html, our own nodes use bbcode
178 // catch any email that's in a public conversation and make sure it doesn't leak
186 $atom .= atom_entry($item,$type,null,$owner,true);
189 call_hooks('atom_feed_end', $atom);
191 $atom .= '</feed>' . "\r\n";
197 function construct_verb($item) {
199 return $item['verb'];
200 return ACTIVITY_POST;
203 function construct_activity_object($item) {
205 if($item['object']) {
206 $o = '<as:object>' . "\r\n";
207 $r = parse_xml_string($item['object'],false);
213 $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
215 $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
217 $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
219 if(substr($r->link,0,1) === '<') {
220 // patch up some facebook "like" activity objects that got stored incorrectly
221 // for a couple of months prior to 9-Jun-2011 and generated bad XML.
222 // we can probably remove this hack here and in the following function in a few months time.
223 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
224 $r->link = str_replace('&','&', $r->link);
225 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
229 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
232 $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
233 $o .= '</as:object>' . "\r\n";
240 function construct_activity_target($item) {
242 if($item['target']) {
243 $o = '<as:target>' . "\r\n";
244 $r = parse_xml_string($item['target'],false);
248 $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
250 $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
252 $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
254 if(substr($r->link,0,1) === '<') {
255 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
256 $r->link = str_replace('&','&', $r->link);
257 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
261 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
264 $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
265 $o .= '</as:target>' . "\r\n";
275 function get_atom_elements($feed,$item) {
277 require_once('library/HTMLPurifier.auto.php');
278 require_once('include/html2bbcode.php');
280 $best_photo = array();
284 $author = $item->get_author();
286 $res['author-name'] = unxmlify($author->get_name());
287 $res['author-link'] = unxmlify($author->get_link());
290 $res['author-name'] = unxmlify($feed->get_title());
291 $res['author-link'] = unxmlify($feed->get_permalink());
293 $res['uri'] = unxmlify($item->get_id());
294 $res['title'] = unxmlify($item->get_title());
295 $res['body'] = unxmlify($item->get_content());
296 $res['plink'] = unxmlify($item->get_link(0));
298 // look for a photo. We should check media size and find the best one,
299 // but for now let's just find any author photo
301 $rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
303 if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
304 $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
305 foreach($base as $link) {
306 if(! $res['author-avatar']) {
307 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
308 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
313 $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor');
315 if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
316 $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
317 if($base && count($base)) {
318 foreach($base as $link) {
319 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
320 $res['author-link'] = unxmlify($link['attribs']['']['href']);
321 if(! $res['author-avatar']) {
322 if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
323 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
329 // No photo/profile-link on the item - look at the feed level
331 if((! (x($res,'author-link'))) || (! (x($res,'author-avatar')))) {
332 $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
333 if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
334 $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
335 foreach($base as $link) {
336 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
337 $res['author-link'] = unxmlify($link['attribs']['']['href']);
338 if(! $res['author-avatar']) {
339 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
340 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
345 $rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject');
347 if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
348 $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
350 if($base && count($base)) {
351 foreach($base as $link) {
352 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
353 $res['author-link'] = unxmlify($link['attribs']['']['href']);
354 if(! (x($res,'author-avatar'))) {
355 if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
356 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
363 $apps = $item->get_item_tags(NAMESPACE_STATUSNET,'notice_info');
364 if($apps && $apps[0]['attribs']['']['source']) {
365 $res['app'] = strip_tags(unxmlify($apps[0]['attribs']['']['source']));
366 if($res['app'] === 'web')
367 $res['app'] = 'OStatus';
370 // base64 encoded json structure representing Diaspora signature
372 $dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
374 $res['dsprsig'] = unxmlify($dsig[0]['data']);
377 $dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
379 $res['guid'] = unxmlify($dguid[0]['data']);
383 * If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
386 $have_real_body = false;
388 $rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env');
390 $have_real_body = true;
391 $res['body'] = $rawenv[0]['data'];
392 $res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']);
393 // make sure nobody is trying to sneak some html tags by us
394 $res['body'] = notags(base64url_decode($res['body']));
397 $maxlen = get_max_import_size();
398 if($maxlen && (strlen($res['body']) > $maxlen))
399 $res['body'] = substr($res['body'],0, $maxlen);
401 // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
402 // the content type. Our own network only emits text normally, though it might have been converted to
403 // html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will
404 // have to assume it is all html and needs to be purified.
406 // It doesn't matter all that much security wise - because before this content is used anywhere, we are
407 // going to escape any tags we find regardless, but this lets us import a limited subset of html from
408 // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
411 if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
413 $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
414 '[youtube]$1[/youtube]', $res['body']);
416 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
417 '[youtube]$1[/youtube]', $res['body']);
419 $res['body'] = oembed_html2bbcode($res['body']);
421 $config = HTMLPurifier_Config::createDefault();
422 $config->set('Cache.DefinitionImpl', null);
424 // we shouldn't need a whitelist, because the bbcode converter
425 // will strip out any unsupported tags.
426 // $config->set('HTML.Allowed', 'p,b,a[href],i');
428 $purifier = new HTMLPurifier($config);
429 $res['body'] = $purifier->purify($res['body']);
431 $res['body'] = html2bbcode($res['body']);
434 $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
435 if($allow && $allow[0]['data'] == 1)
436 $res['last-child'] = 1;
438 $res['last-child'] = 0;
440 $private = $item->get_item_tags(NAMESPACE_DFRN,'private');
441 if($private && $private[0]['data'] == 1)
446 $extid = $item->get_item_tags(NAMESPACE_DFRN,'extid');
447 if($extid && $extid[0]['data'])
448 $res['extid'] = $extid[0]['data'];
450 $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
452 $res['location'] = unxmlify($rawlocation[0]['data']);
455 $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
457 $res['created'] = unxmlify($rawcreated[0]['data']);
460 $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
462 $res['edited'] = unxmlify($rawedited[0]['data']);
464 if((x($res,'edited')) && (! (x($res,'created'))))
465 $res['created'] = $res['edited'];
467 if(! $res['created'])
468 $res['created'] = $item->get_date('c');
471 $res['edited'] = $item->get_date('c');
474 // Disallow time travelling posts
476 $d1 = strtotime($res['created']);
477 $d2 = strtotime($res['edited']);
478 $d3 = strtotime('now');
481 $res['created'] = datetime_convert();
483 $res['edited'] = datetime_convert();
485 $rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
486 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
487 $res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
488 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
489 $res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
490 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
491 $res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
492 elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
493 $res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
495 if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
496 $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
498 foreach($base as $link) {
499 if(! $res['owner-avatar']) {
500 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
501 $res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
506 $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
508 $res['coord'] = unxmlify($rawgeo[0]['data']);
511 $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
513 // select between supported verbs
516 $res['verb'] = unxmlify($rawverb[0]['data']);
519 // translate OStatus unfollow to activity streams if it happened to get selected
521 if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
522 $res['verb'] = ACTIVITY_UNFOLLOW;
524 $cats = $item->get_categories();
527 foreach($cats as $cat) {
528 $term = $cat->get_term();
530 $term = $cat->get_label();
531 $scheme = $cat->get_scheme();
532 if($scheme && $term && stristr($scheme,'X-DFRN:'))
533 $tag_arr[] = substr($scheme,7,1) . '[url=' . unxmlify(substr($scheme,9)) . ']' . unxmlify($term) . '[/url]';
535 $tag_arr[] = notags(trim($term));
537 $res['tag'] = implode(',', $tag_arr);
540 $attach = $item->get_enclosures();
543 foreach($attach as $att) {
544 $len = intval($att->get_length());
545 $link = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_link()))));
546 $title = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_title()))));
547 $type = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_type()))));
548 if(strpos($type,';'))
549 $type = substr($type,0,strpos($type,';'));
550 if((! $link) || (strpos($link,'http') !== 0))
556 $type = 'application/octet-stream';
558 $att_arr[] = '[attach]href="' . $link . '" length="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]';
560 $res['attach'] = implode(',', $att_arr);
563 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
566 $res['object'] = '<object>' . "\n";
567 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
568 $res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'];
569 $res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
571 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
572 $res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
573 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
574 $res['object'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
575 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
576 $res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
577 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
578 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
580 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
581 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
582 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
583 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
585 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
586 '[youtube]$1[/youtube]', $body);
588 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
589 '[youtube]$1[/youtube]', $res['body']);
592 $config = HTMLPurifier_Config::createDefault();
593 $config->set('Cache.DefinitionImpl', null);
595 $purifier = new HTMLPurifier($config);
596 $body = $purifier->purify($body);
597 $body = html2bbcode($body);
600 $res['object'] .= '<content>' . $body . '</content>' . "\n";
603 $res['object'] .= '</object>' . "\n";
606 $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target');
609 $res['target'] = '<target>' . "\n";
610 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
611 $res['target'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
613 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
614 $res['target'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
616 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
617 $res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
618 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
619 $res['target'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
620 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
621 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
623 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
624 // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
625 $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
626 if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
628 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
629 '[youtube]$1[/youtube]', $body);
631 $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s',
632 '[youtube]$1[/youtube]', $res['body']);
634 $config = HTMLPurifier_Config::createDefault();
635 $config->set('Cache.DefinitionImpl', null);
637 $purifier = new HTMLPurifier($config);
638 $body = $purifier->purify($body);
639 $body = html2bbcode($body);
642 $res['target'] .= '<content>' . $body . '</content>' . "\n";
645 $res['target'] .= '</target>' . "\n";
648 $arr = array('feed' => $feed, 'item' => $item, 'result' => $res);
650 call_hooks('parse_atom', $arr);
655 function encode_rel_links($links) {
657 if(! ((is_array($links)) && (count($links))))
659 foreach($links as $link) {
661 if($link['attribs']['']['rel'])
662 $o .= 'rel="' . $link['attribs']['']['rel'] . '" ';
663 if($link['attribs']['']['type'])
664 $o .= 'type="' . $link['attribs']['']['type'] . '" ';
665 if($link['attribs']['']['href'])
666 $o .= 'href="' . $link['attribs']['']['href'] . '" ';
667 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width'])
668 $o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
669 if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height'])
670 $o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
676 function item_store($arr,$force_parent = false) {
678 // If a Diaspora signature structure was passed in, pull it out of the
679 // item array and set it aside for later storage.
682 if(x($arr,'dsprsig')) {
683 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
684 unset($arr['dsprsig']);
688 $arr['gravity'] = intval($arr['gravity']);
689 elseif($arr['parent-uri'] == $arr['uri'])
691 elseif(activity_match($arr['verb'],ACTIVITY_POST))
694 $arr['gravity'] = 6; // extensible catchall
697 $arr['type'] = 'remote';
699 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
701 if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
702 $arr['body'] = strip_tags($arr['body']);
705 $arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0);
706 $arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string());
707 $arr['extid'] = ((x($arr,'extid')) ? notags(trim($arr['extid'])) : '');
708 $arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : '');
709 $arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : '');
710 $arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
711 $arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : '');
712 $arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : '');
713 $arr['owner-avatar'] = ((x($arr,'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
714 $arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
715 $arr['edited'] = ((x($arr,'edited') !== false) ? datetime_convert('UTC','UTC',$arr['edited']) : datetime_convert());
716 $arr['received'] = datetime_convert();
717 $arr['changed'] = datetime_convert();
718 $arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : '');
719 $arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : '');
720 $arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : '');
721 $arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 );
722 $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 );
724 $arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : '');
725 $arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : '');
726 $arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : '');
727 $arr['object'] = ((x($arr,'object')) ? trim($arr['object']) : '');
728 $arr['target-type'] = ((x($arr,'target-type')) ? notags(trim($arr['target-type'])) : '');
729 $arr['target'] = ((x($arr,'target')) ? trim($arr['target']) : '');
730 $arr['plink'] = ((x($arr,'plink')) ? notags(trim($arr['plink'])) : '');
731 $arr['allow_cid'] = ((x($arr,'allow_cid')) ? trim($arr['allow_cid']) : '');
732 $arr['allow_gid'] = ((x($arr,'allow_gid')) ? trim($arr['allow_gid']) : '');
733 $arr['deny_cid'] = ((x($arr,'deny_cid')) ? trim($arr['deny_cid']) : '');
734 $arr['deny_gid'] = ((x($arr,'deny_gid')) ? trim($arr['deny_gid']) : '');
735 $arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0 );
736 $arr['body'] = ((x($arr,'body')) ? trim($arr['body']) : '');
737 $arr['tag'] = ((x($arr,'tag')) ? notags(trim($arr['tag'])) : '');
738 $arr['attach'] = ((x($arr,'attach')) ? notags(trim($arr['attach'])) : '');
739 $arr['app'] = ((x($arr,'app')) ? notags(trim($arr['app'])) : '');
740 $arr['guid'] = ((x($arr,'guid')) ? notags(trim($arr['guid'])) : get_guid());
742 if($arr['parent-uri'] === $arr['uri']) {
744 $allow_cid = $arr['allow_cid'];
745 $allow_gid = $arr['allow_gid'];
746 $deny_cid = $arr['deny_cid'];
747 $deny_gid = $arr['deny_gid'];
751 // find the parent and snarf the item id and ACL's
752 // and anything else we need to inherit
754 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
755 dbesc($arr['parent-uri']),
761 // is the new message multi-level threaded?
762 // even though we don't support it now, preserve the info
763 // and re-attach to the conversation parent.
765 if($r[0]['uri'] != $r[0]['parent-uri']) {
766 $arr['thr-parent'] = $arr['parent-uri'];
767 $arr['parent-uri'] = $r[0]['parent-uri'];
768 $z = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
769 dbesc($r[0]['parent-uri']),
770 dbesc($r[0]['parent-uri']),
777 $parent_id = $r[0]['id'];
778 $parent_deleted = $r[0]['deleted'];
779 $allow_cid = $r[0]['allow_cid'];
780 $allow_gid = $r[0]['allow_gid'];
781 $deny_cid = $r[0]['deny_cid'];
782 $deny_gid = $r[0]['deny_gid'];
783 $arr['wall'] = $r[0]['wall'];
787 // Allow one to see reply tweets from status.net even when
788 // we don't have or can't see the original post.
791 logger('item_store: $force_parent=true, reply converted to top-level post.');
793 $arr['thr-parent'] = $arr['parent-uri'];
794 $arr['parent-uri'] = $arr['uri'];
798 logger('item_store: item parent was not found - ignoring item');
805 call_hooks('post_remote',$arr);
809 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
811 $r = dbq("INSERT INTO `item` (`"
812 . implode("`, `", array_keys($arr))
814 . implode("', '", array_values($arr))
817 // find the item we just created
819 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
820 $arr['uri'], // already dbesc'd
824 // This is not good, but perhaps we encountered a rare race/cache condition, so back off and try again.
826 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
827 $arr['uri'], // already dbesc'd
833 $current_post = $r[0]['id'];
834 logger('item_store: created item ' . $current_post);
837 logger('item_store: could not locate created item');
841 if((! $parent_id) || ($arr['parent-uri'] === $arr['uri']))
842 $parent_id = $current_post;
844 if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid))
847 $private = $arr['private'];
849 // Set parent id - and also make sure to inherit the parent's ACL's.
851 $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
852 `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d LIMIT 1",
859 intval($parent_deleted),
860 intval($current_post)
864 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
865 intval($current_post),
866 dbesc($dsprsig->signed_text),
867 dbesc($dsprsig->signature),
868 dbesc($dsprsig->signer)
874 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
877 if($arr['last-child']) {
878 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
881 intval($current_post)
885 return $current_post;
888 function get_item_contact($item,$contacts) {
889 if(! count($contacts) || (! is_array($item)))
891 foreach($contacts as $contact) {
892 if($contact['id'] == $item['contact-id']) {
901 function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
905 if((! strlen($contact['issued-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY)))
908 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
910 if($contact['duplex'] && $contact['dfrn-id'])
911 $idtosend = '0:' . $orig_id;
912 if($contact['duplex'] && $contact['issued-id'])
913 $idtosend = '1:' . $orig_id;
915 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
917 $rino_enable = get_config('system','rino_encrypt');
922 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
924 logger('dfrn_deliver: ' . $url);
926 $xml = fetch_url($url);
928 $curl_stat = $a->get_curl_code();
930 return(-1); // timed out
932 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
937 if(strpos($xml,'<?xml') === false) {
938 logger('dfrn_deliver: no valid XML returned');
939 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
943 $res = parse_xml_string($xml);
945 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
946 return (($res->status) ? $res->status : 3);
949 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
950 $challenge = hex2bin((string) $res->challenge);
951 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
952 $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0);
957 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
958 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
959 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
962 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
963 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
966 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
968 if(strpos($final_dfrn_id,':') == 1)
969 $final_dfrn_id = substr($final_dfrn_id,2);
971 if($final_dfrn_id != $orig_id) {
972 logger('dfrn_deliver: wrong dfrn_id.');
973 // did not decode properly - cannot trust this site
977 $postvars['dfrn_id'] = $idtosend;
978 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
980 $postvars['dissolve'] = '1';
983 if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
984 $postvars['data'] = $atom;
985 $postvars['perm'] = 'rw';
988 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
989 $postvars['perm'] = 'r';
992 if($rino && $rino_allowed && (! $dissolve)) {
993 $key = substr(random_string(),0,16);
994 $data = bin2hex(aes_encrypt($postvars['data'],$key));
995 $postvars['data'] = $data;
996 logger('rino: sent key = ' . $key, LOGGER_DEBUG);
999 if($dfrn_version >= 2.1) {
1000 if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1001 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1004 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1008 if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1009 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1012 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1016 logger('md5 rawkey ' . md5($postvars['key']));
1018 $postvars['key'] = bin2hex($postvars['key']);
1021 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
1023 $xml = post_url($contact['notify'],$postvars);
1025 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1027 $curl_stat = $a->get_curl_code();
1028 if((! $curl_stat) || (! strlen($xml)))
1029 return(-1); // timed out
1031 if(strpos($xml,'<?xml') === false) {
1032 logger('dfrn_deliver: phase 2: no valid XML returned');
1033 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1037 $res = parse_xml_string($xml);
1039 return $res->status;
1045 * consume_feed - process atom feed and update anything/everything we might need to update
1047 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1049 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1050 * It is this person's stuff that is going to be updated.
1051 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1052 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1053 * have a contact record.
1054 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1055 * might not) try and subscribe to it.
1059 function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $secure_feed = false) {
1061 require_once('library/simplepie/simplepie.inc');
1063 if(! strlen($xml)) {
1064 logger('consume_feed: empty input');
1068 $feed = new SimplePie();
1069 $feed->set_raw_data($xml);
1071 $feed->enable_order_by_date(true);
1073 $feed->enable_order_by_date(false);
1077 logger('consume_feed: Error parsing XML: ' . $feed->error());
1079 $permalink = $feed->get_permalink();
1081 // Check at the feed level for updated contact name and/or photo
1085 $photo_timestamp = '';
1089 $hubs = $feed->get_links('hub');
1092 $hub = implode(',', $hubs);
1094 $rawtags = $feed->get_feed_tags( NAMESPACE_DFRN, 'owner');
1096 $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
1098 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
1099 if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
1100 $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
1101 $new_name = $elems['name'][0]['data'];
1103 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
1104 $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
1105 $photo_url = $elems['link'][0]['attribs']['']['href'];
1108 if((x($rawtags[0]['child'], NAMESPACE_DFRN)) && (x($rawtags[0]['child'][NAMESPACE_DFRN],'birthday'))) {
1109 $birthday = datetime_convert('UTC','UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
1113 if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
1114 logger('consume_feed: Updating photo for ' . $contact['name']);
1115 require_once("Photo.php");
1116 $photo_failure = false;
1117 $have_photo = false;
1119 $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
1120 intval($contact['id']),
1121 intval($contact['uid'])
1124 $resource_id = $r[0]['resource-id'];
1128 $resource_id = photo_new_resource();
1131 $img_str = fetch_url($photo_url,true);
1132 $img = new Photo($img_str);
1133 if($img->is_valid()) {
1135 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d",
1136 dbesc($resource_id),
1137 intval($contact['id']),
1138 intval($contact['uid'])
1142 $img->scaleImageSquare(175);
1144 $hash = $resource_id;
1145 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 4);
1147 $img->scaleImage(80);
1148 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 5);
1150 $img->scaleImage(48);
1151 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 6);
1155 q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'
1156 WHERE `uid` = %d AND `id` = %d LIMIT 1",
1157 dbesc(datetime_convert()),
1158 dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'),
1159 dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'),
1160 dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'),
1161 intval($contact['uid']),
1162 intval($contact['id'])
1167 if((is_array($contact)) && ($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
1168 q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1169 dbesc(notags(trim($new_name))),
1170 dbesc(datetime_convert()),
1171 intval($contact['uid']),
1172 intval($contact['id'])
1176 if(strlen($birthday)) {
1177 if(substr($birthday,0,4) != $contact['bdyear']) {
1178 logger('consume_feed: updating birthday: ' . $birthday);
1182 * Add new birthday event for this person
1184 * $bdtext is just a readable placeholder in case the event is shared
1185 * with others. We will replace it during presentation to our $importer
1186 * to contain a sparkle link and perhaps a photo.
1190 $bdtext = t('Birthday:') . ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' ;
1193 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`)
1194 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s' ) ",
1195 intval($contact['uid']),
1196 intval($contact['id']),
1197 dbesc(datetime_convert()),
1198 dbesc(datetime_convert()),
1199 dbesc(datetime_convert('UTC','UTC', $birthday)),
1200 dbesc(datetime_convert('UTC','UTC', $birthday . ' + 1 day ')),
1208 q("UPDATE `contact` SET `bdyear` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
1209 dbesc(substr($birthday,0,4)),
1210 intval($contact['uid']),
1211 intval($contact['id'])
1214 // This function is called twice without reloading the contact
1215 // Make sure we only create one event. This is why &$contact
1216 // is a reference var in this function
1218 $contact['bdyear'] = substr($birthday,0,4);
1224 // process any deleted entries
1226 $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
1227 if(is_array($del_entries) && count($del_entries)) {
1228 foreach($del_entries as $dentry) {
1230 if(isset($dentry['attribs']['']['ref'])) {
1231 $uri = $dentry['attribs']['']['ref'];
1233 if(isset($dentry['attribs']['']['when'])) {
1234 $when = $dentry['attribs']['']['when'];
1235 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
1238 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
1240 if($deleted && is_array($contact)) {
1241 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1",
1243 intval($importer['uid']),
1244 intval($contact['id'])
1249 if(! $item['deleted'])
1250 logger('consume_feed: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
1252 if($item['uri'] == $item['parent-uri']) {
1253 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1254 `body` = '', `title` = ''
1255 WHERE `parent-uri` = '%s' AND `uid` = %d",
1257 dbesc(datetime_convert()),
1258 dbesc($item['uri']),
1259 intval($importer['uid'])
1263 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
1264 `body` = '', `title` = ''
1265 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1267 dbesc(datetime_convert()),
1269 intval($importer['uid'])
1271 if($item['last-child']) {
1272 // ensure that last-child is set in case the comment that had it just got wiped.
1273 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1274 dbesc(datetime_convert()),
1275 dbesc($item['parent-uri']),
1276 intval($item['uid'])
1278 // who is the last child now?
1279 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
1280 ORDER BY `created` DESC LIMIT 1",
1281 dbesc($item['parent-uri']),
1282 intval($importer['uid'])
1285 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1296 // Now process the feed
1298 if($feed->get_item_quantity()) {
1300 logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
1302 // in inverse date order
1304 $items = array_reverse($feed->get_items());
1306 $items = $feed->get_items();
1309 foreach($items as $item) {
1312 $item_id = $item->get_id();
1313 $rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
1314 if(isset($rawthread[0]['attribs']['']['ref'])) {
1316 $parent_uri = $rawthread[0]['attribs']['']['ref'];
1319 if(($is_reply) && is_array($contact)) {
1321 // Have we seen it? If not, import it.
1323 $item_id = $item->get_id();
1324 $datarray = get_atom_elements($feed,$item);
1326 if(! x($datarray,'author-name'))
1327 $datarray['author-name'] = $contact['name'];
1328 if(! x($datarray,'author-link'))
1329 $datarray['author-link'] = $contact['url'];
1330 if(! x($datarray,'author-avatar'))
1331 $datarray['author-avatar'] = $contact['thumb'];
1334 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1336 intval($importer['uid'])
1339 // Update content if 'updated' changes
1342 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1343 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1344 dbesc($datarray['body']),
1345 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1347 intval($importer['uid'])
1351 // update last-child if it changes
1353 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1354 if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
1355 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1356 dbesc(datetime_convert()),
1358 intval($importer['uid'])
1360 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1361 intval($allow[0]['data']),
1362 dbesc(datetime_convert()),
1364 intval($importer['uid'])
1370 $force_parent = false;
1371 if($contact['network'] === 'stat') {
1372 $force_parent = true;
1373 if(strlen($datarray['title']))
1374 unset($datarray['title']);
1375 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1376 dbesc(datetime_convert()),
1378 intval($importer['uid'])
1380 $datarray['last-child'] = 1;
1383 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1384 // one way feed - no remote comment ability
1385 $datarray['last-child'] = 0;
1387 $datarray['parent-uri'] = $parent_uri;
1388 $datarray['uid'] = $importer['uid'];
1389 $datarray['contact-id'] = $contact['id'];
1390 if((activity_match($datarray['verb'],ACTIVITY_LIKE)) || (activity_match($datarray['verb'],ACTIVITY_DISLIKE))) {
1391 $datarray['type'] = 'activity';
1392 $datarray['gravity'] = GRAVITY_LIKE;
1395 $r = item_store($datarray,$force_parent);
1401 // Head post of a conversation. Have we seen it? If not, import it.
1403 $item_id = $item->get_id();
1405 $datarray = get_atom_elements($feed,$item);
1407 if(is_array($contact)) {
1408 if(! x($datarray,'author-name'))
1409 $datarray['author-name'] = $contact['name'];
1410 if(! x($datarray,'author-link'))
1411 $datarray['author-link'] = $contact['url'];
1412 if(! x($datarray,'author-avatar'))
1413 $datarray['author-avatar'] = $contact['thumb'];
1416 if((x($datarray,'object-type')) && ($datarray['object-type'] === ACTIVITY_OBJ_EVENT)) {
1417 $ev = bbtoevent($datarray['body']);
1418 if(x($ev,'desc') && x($ev,'start')) {
1419 $ev['uid'] = $importer['uid'];
1420 $ev['uri'] = $item_id;
1421 $ev['edited'] = $datarray['edited'];
1422 $ev['private'] = $datarray['private'];
1424 if(is_array($contact))
1425 $ev['cid'] = $contact['id'];
1426 $r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1428 intval($importer['uid'])
1431 $ev['id'] = $r[0]['id'];
1432 $xyz = event_store($ev);
1437 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1439 intval($importer['uid'])
1442 // Update content if 'updated' changes
1445 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
1446 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1447 dbesc($datarray['body']),
1448 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
1450 intval($importer['uid'])
1454 // update last-child if it changes
1456 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
1457 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
1458 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1459 intval($allow[0]['data']),
1460 dbesc(datetime_convert()),
1462 intval($importer['uid'])
1468 if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) {
1469 logger('consume-feed: New follower');
1470 new_follower($importer,$contact,$datarray,$item);
1473 if(activity_match($datarray['verb'],ACTIVITY_UNFOLLOW)) {
1474 lose_follower($importer,$contact,$datarray,$item);
1477 if(! is_array($contact))
1480 if($contact['network'] === 'stat' || stristr($permalink,'twitter.com')) {
1481 if(strlen($datarray['title']))
1482 unset($datarray['title']);
1483 $datarray['last-child'] = 1;
1486 if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) {
1487 // one way feed - no remote comment ability
1488 $datarray['last-child'] = 0;
1491 // This is my contact on another system, but it's really me.
1492 // Turn this into a wall post.
1494 if($contact['remote_self'])
1495 $datarray['wall'] = 1;
1497 $datarray['parent-uri'] = $item_id;
1498 $datarray['uid'] = $importer['uid'];
1499 $datarray['contact-id'] = $contact['id'];
1500 $r = item_store($datarray);
1508 function new_follower($importer,$contact,$datarray,$item) {
1509 $url = notags(trim($datarray['author-link']));
1510 $name = notags(trim($datarray['author-name']));
1511 $photo = notags(trim($datarray['author-avatar']));
1513 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1514 if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
1515 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1517 if(is_array($contact)) {
1518 if($contact['network'] == 'stat' && $contact['rel'] == CONTACT_IS_SHARING) {
1519 $r = q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
1520 intval(CONTACT_IS_FRIEND),
1521 intval($contact['id']),
1522 intval($importer['uid'])
1526 // send email notification to owner?
1530 // create contact record
1532 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`,
1533 `blocked`, `readonly`, `pending`, `writable` )
1534 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1 ) ",
1535 intval($importer['uid']),
1536 dbesc(datetime_convert()),
1542 intval(CONTACT_IS_FOLLOWER)
1544 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 AND `rel` = %d LIMIT 1",
1545 intval($importer['uid']),
1547 intval(CONTACT_IS_FOLLOWER)
1550 $contact_record = $r[0];
1552 // create notification
1553 $hash = random_string();
1555 if(is_array($contact_record)) {
1556 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
1557 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
1558 intval($importer['uid']),
1559 intval($contact_record['id']),
1561 dbesc(datetime_convert())
1564 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1565 intval($importer['uid'])
1569 if(($r[0]['notify-flags'] & NOTIFY_INTRO) && ($r[0]['page-flags'] == PAGE_NORMAL)) {
1570 $email_tpl = get_intltext_template('follow_notify_eml.tpl');
1571 $email = replace_macros($email_tpl, array(
1572 '$requestor' => ((strlen($name)) ? $name : t('[Name Withheld]')),
1574 '$myname' => $r[0]['username'],
1575 '$siteurl' => $a->get_baseurl(),
1576 '$sitename' => $a->config['sitename']
1578 $res = mail($r[0]['email'],
1579 t("You have a new follower at ") . $a->config['sitename'],
1581 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
1582 . 'Content-type: text/plain; charset=UTF-8' . "\n"
1583 . 'Content-transfer-encoding: 8bit' );
1590 function lose_follower($importer,$contact,$datarray,$item) {
1592 if(($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1593 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d LIMIT 1",
1594 intval(CONTACT_IS_SHARING),
1595 intval($contact['id'])
1599 contact_remove($contact['id']);
1604 function subscribe_to_hub($url,$importer,$contact) {
1606 if(is_array($importer)) {
1607 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1608 intval($importer['uid'])
1611 if((! count($r)) || $contact['network'] === NETWORK_DIASPORA)
1614 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1616 // Use a single verify token, even if multiple hubs
1618 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1620 $params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1622 logger('subscribe_to_hub: subscribing ' . $contact['name'] . ' to hub ' . $url . ' with verifier ' . $verify_token);
1624 if(! strlen($contact['hub-verify'])) {
1625 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1",
1626 dbesc($verify_token),
1627 intval($contact['id'])
1631 post_url($url,$params);
1637 function atom_author($tag,$name,$uri,$h,$w,$photo) {
1641 $name = xmlify($name);
1642 $uri = xmlify($uri);
1645 $photo = xmlify($photo);
1649 $o .= "<name>$name</name>\r\n";
1650 $o .= "<uri>$uri</uri>\r\n";
1651 $o .= '<link rel="photo" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1652 $o .= '<link rel="avatar" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1654 call_hooks('atom_author', $o);
1656 $o .= "</$tag>\r\n";
1660 function atom_entry($item,$type,$author,$owner,$comment = false) {
1664 if($item['deleted'])
1665 return '<at:deleted-entry ref="' . xmlify($item['uri']) . '" when="' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '" />' . "\r\n";
1668 if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1669 $body = fix_private_photos($item['body'],$owner['uid']);
1671 $body = $item['body'];
1674 $o = "\r\n\r\n<entry>\r\n";
1676 if(is_array($author))
1677 $o .= atom_author('author',$author['name'],$author['url'],80,80,$author['thumb']);
1679 $o .= atom_author('author',(($item['author-name']) ? $item['author-name'] : $item['name']),(($item['author-link']) ? $item['author-link'] : $item['url']),80,80,(($item['author-avatar']) ? $item['author-avatar'] : $item['thumb']));
1680 if(strlen($item['owner-name']))
1681 $o .= atom_author('dfrn:owner',$item['owner-name'],$item['owner-link'],80,80,$item['owner-avatar']);
1683 if($item['parent'] != $item['id'])
1684 $o .= '<thr:in-reply-to ref="' . xmlify($item['parent-uri']) . '" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1686 $o .= '<id>' . xmlify($item['uri']) . '</id>' . "\r\n";
1687 $o .= '<title>' . xmlify($item['title']) . '</title>' . "\r\n";
1688 $o .= '<published>' . xmlify(datetime_convert('UTC','UTC',$item['created'] . '+00:00',ATOM_TIME)) . '</published>' . "\r\n";
1689 $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n";
1690 $o .= '<dfrn:env>' . base64url_encode($body, true) . '</dfrn:env>' . "\r\n";
1691 $o .= '<content type="' . $type . '" >' . xmlify((($type === 'html') ? bbcode($body) : $body)) . '</content>' . "\r\n";
1692 $o .= '<link rel="alternate" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1694 $o .= '<dfrn:comment-allow>' . intval($item['last-child']) . '</dfrn:comment-allow>' . "\r\n";
1696 if($item['location']) {
1697 $o .= '<dfrn:location>' . xmlify($item['location']) . '</dfrn:location>' . "\r\n";
1698 $o .= '<poco:address><poco:formatted>' . xmlify($item['location']) . '</poco:formatted></poco:address>' . "\r\n";
1702 $o .= '<georss:point>' . xmlify($item['coord']) . '</georss:point>' . "\r\n";
1704 if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
1705 $o .= '<dfrn:private>1</dfrn:private>' . "\r\n";
1708 $o .= '<dfrn:extid>' . xmlify($item['extid']) . '</dfrn:extid>' . "\r\n";
1711 $o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . xmlify($item['app']) . '" ></statusnet:notice_info>' . "\r\n";
1714 $o .= '<dfrn:diaspora_guid>' . $item['guid'] . '</dfrn:diaspora_guid>' . "\r\n";
1716 if($item['signed_text']) {
1717 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
1718 $o .= '<dfrn:diaspora_signature>' . xmlify($sign) . '</dfrn:diaspora_signature>' . "\r\n";
1721 $verb = construct_verb($item);
1722 $o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
1723 $actobj = construct_activity_object($item);
1726 $actarg = construct_activity_target($item);
1730 $tags = item_getfeedtags($item);
1732 foreach($tags as $t) {
1733 $o .= '<category scheme="X-DFRN:' . xmlify($t[0]) . ':' . xmlify($t[1]) . '" term="' . xmlify($t[2]) . '" />' . "\r\n";
1737 $o .= item_getfeedattach($item);
1739 $mentioned = get_mentions($item);
1743 call_hooks('atom_entry', $o);
1745 $o .= '</entry>' . "\r\n";
1750 function fix_private_photos($s,$uid) {
1752 logger('fix_private_photos');
1754 if(preg_match("/\[img\](.*?)\[\/img\]/is",$s,$matches)) {
1755 $image = $matches[1];
1756 logger('fix_private_photos: found photo ' . $image);
1757 if(stristr($image ,$a->get_baseurl() . '/photo/')) {
1758 $i = basename($image);
1759 $i = str_replace('.jpg','',$i);
1760 $x = strpos($i,'-');
1762 $res = substr($i,$x+1);
1763 $i = substr($i,0,$x);
1764 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1770 logger('replacing photo');
1771 $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s);
1774 logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA);
1782 function item_getfeedtags($item) {
1785 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1787 for($x = 0; $x < count($matches); $x ++) {
1789 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1793 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|',$item['tag'],$matches);
1795 for($x = 0; $x < count($matches); $x ++) {
1797 $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
1803 function item_getfeedattach($item) {
1805 $arr = explode(',',$item['attach']);
1807 foreach($arr as $r) {
1809 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
1811 $ret .= '<link rel="enclosure" href="' . xmlify($matches[1]) . '" type="' . xmlify($matches[3]) . '" ';
1812 if(intval($matches[2]))
1813 $ret .= 'length="' . intval($matches[2]) . '" ';
1814 if($matches[4] !== ' ')
1815 $ret .= 'title="' . xmlify(trim($matches[4])) . '" ';
1816 $ret .= ' />' . "\r\n";
1825 function item_expire($uid,$days) {
1827 if((! $uid) || (! $days))
1830 $r = q("SELECT * FROM `item`
1832 AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY
1842 logger('expire: # items=' . count($r) );
1844 foreach($r as $item) {
1846 // Only expire posts, not photos and photo comments
1848 if(strlen($item['resource-id']))
1851 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1852 dbesc(datetime_convert()),
1853 dbesc(datetime_convert()),
1859 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1860 dbesc(datetime_convert()),
1861 dbesc(datetime_convert()),
1862 dbesc($item['parent-uri']),
1863 intval($item['uid'])
1868 proc_run('php',"include/notifier.php","expire","$uid");
1873 function drop_items($items) {
1877 foreach($items as $item) {
1878 $owner = drop_item($item,false);
1879 if($owner && ! $uid)
1884 // multiple threads may have been deleted, send an expire notification
1887 proc_run('php',"include/notifier.php","expire","$uid");
1891 function drop_item($id,$interactive = true) {
1895 // locate item to be deleted
1897 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
1904 notice( t('Item not found.') . EOL);
1905 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1910 $owner = $item['uid'];
1912 // check if logged in user is either the author or owner of this item
1914 if((local_user() == $item['uid']) || (remote_user() == $item['contact-id'])) {
1918 $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
1919 dbesc(datetime_convert()),
1920 dbesc(datetime_convert()),
1924 // If item is a link to a photo resource, nuke all the associated photos
1925 // (visitors will not have photo resources)
1926 // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1927 // generate a resource-id and therefore aren't intimately linked to the item.
1929 if(strlen($item['resource-id'])) {
1930 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
1931 dbesc($item['resource-id']),
1932 intval($item['uid'])
1934 // ignore the result
1937 // If item is a link to an event, nuke the event record.
1939 if(intval($item['event-id'])) {
1940 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1941 intval($item['event-id']),
1942 intval($item['uid'])
1944 // ignore the result
1948 // If it's the parent of a comment thread, kill all the kids
1950 if($item['uri'] == $item['parent-uri']) {
1951 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
1952 WHERE `parent-uri` = '%s' AND `uid` = %d ",
1953 dbesc(datetime_convert()),
1954 dbesc(datetime_convert()),
1955 dbesc($item['parent-uri']),
1956 intval($item['uid'])
1958 // ignore the result
1961 // ensure that last-child is set in case the comment that had it just got wiped.
1962 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
1963 dbesc(datetime_convert()),
1964 dbesc($item['parent-uri']),
1965 intval($item['uid'])
1967 // who is the last child now?
1968 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
1969 dbesc($item['parent-uri']),
1970 intval($item['uid'])
1973 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
1978 $drop_id = intval($item['id']);
1980 // send the notification upstream/downstream as the case may be
1985 proc_run('php',"include/notifier.php","drop","$drop_id");
1986 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
1992 notice( t('Permission denied.') . EOL);
1993 goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);