]> git.mxchange.org Git - friendica.git/blob - include/ostatus.php
Merge remote-tracking branch 'upstream/develop' into 1601-gcontact-total
[friendica.git] / include / ostatus.php
1 <?php
2 require_once("include/Contact.php");
3 require_once("include/threads.php");
4 require_once("include/html2bbcode.php");
5 require_once("include/bbcode.php");
6 require_once("include/items.php");
7 require_once("mod/share.php");
8 require_once("include/enotify.php");
9 require_once("include/socgraph.php");
10 require_once("include/Photo.php");
11 require_once("include/Scrape.php");
12 require_once("include/follow.php");
13 require_once("include/api.php");
14 require_once("mod/proxy.php");
15
16 define('OSTATUS_DEFAULT_POLL_INTERVAL', 30); // given in minutes
17 define('OSTATUS_DEFAULT_POLL_TIMEFRAME', 1440); // given in minutes
18 define('OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS', 14400); // given in minutes
19
20 define("NS_ATOM", "http://www.w3.org/2005/Atom");
21 define("NS_THR", "http://purl.org/syndication/thread/1.0");
22 define("NS_GEORSS", "http://www.georss.org/georss");
23 define("NS_ACTIVITY", "http://activitystrea.ms/spec/1.0/");
24 define("NS_MEDIA", "http://purl.org/syndication/atommedia");
25 define("NS_POCO", "http://portablecontacts.net/spec/1.0");
26 define("NS_OSTATUS", "http://ostatus.org/schema/1.0");
27 define("NS_STATUSNET", "http://status.net/schema/api/1/");
28
29 function ostatus_check_follow_friends() {
30         $r = q("SELECT `uid`,`v` FROM `pconfig` WHERE `cat`='system' AND `k`='ostatus_legacy_contact' AND `v` != ''");
31
32         if (!$r)
33                 return;
34
35         foreach ($r AS $contact) {
36                 ostatus_follow_friends($contact["uid"], $contact["v"]);
37                 set_pconfig($contact["uid"], "system", "ostatus_legacy_contact", "");
38         }
39 }
40
41 // This function doesn't work reliable by now.
42 function ostatus_follow_friends($uid, $url) {
43         $contact = probe_url($url);
44
45         if (!$contact)
46                 return;
47
48         $api = $contact["baseurl"]."/api/";
49
50         // Fetching friends
51         $data = z_fetch_url($api."statuses/friends.json?screen_name=".$contact["nick"]);
52
53         if (!$data["success"])
54                 return;
55
56         $friends = json_decode($data["body"]);
57
58         foreach ($friends AS $friend) {
59                 $url = $friend->statusnet_profile_url;
60                 $r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND
61                         (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
62                         `network` != '%s' LIMIT 1",
63                         intval($uid), dbesc(normalise_link($url)),
64                         dbesc(normalise_link($url)), dbesc($url), dbesc(NETWORK_STATUSNET));
65                 if (!$r) {
66                         $data = probe_url($friend->statusnet_profile_url);
67                         if ($data["network"] == NETWORK_OSTATUS) {
68                                 $result = new_contact($uid,$friend->statusnet_profile_url);
69                                 if ($result["success"])
70                                         logger($friend->name." ".$url." - success", LOGGER_DEBUG);
71                                 else
72                                         logger($friend->name." ".$url." - failed", LOGGER_DEBUG);
73                         } else
74                                 logger($friend->name." ".$url." - not OStatus", LOGGER_DEBUG);
75                 }
76         }
77 }
78
79 function ostatus_fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
80
81         $author = array();
82         $author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
83         $author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
84
85         // Preserve the value
86         $authorlink = $author["author-link"];
87
88         $alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
89         if (is_object($alternate))
90                 foreach($alternate AS $attributes)
91                         if ($attributes->name == "href")
92                                 $author["author-link"] = $attributes->textContent;
93
94         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` IN ('%s', '%s') AND `network` != '%s'",
95                 intval($importer["uid"]), dbesc(normalise_link($author["author-link"])),
96                 dbesc(normalise_link($authorlink)), dbesc(NETWORK_STATUSNET));
97         if ($r) {
98                 $contact = $r[0];
99                 $author["contact-id"] = $r[0]["id"];
100         } else
101                 $author["contact-id"] = $contact["id"];
102
103         $avatarlist = array();
104         $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
105         foreach($avatars AS $avatar) {
106                 $href = "";
107                 $width = 0;
108                 foreach($avatar->attributes AS $attributes) {
109                         if ($attributes->name == "href")
110                                 $href = $attributes->textContent;
111                         if ($attributes->name == "width")
112                                 $width = $attributes->textContent;
113                 }
114                 if (($width > 0) AND ($href != ""))
115                         $avatarlist[$width] = $href;
116         }
117         if (count($avatarlist) > 0) {
118                 krsort($avatarlist);
119                 $author["author-avatar"] = current($avatarlist);
120         }
121
122         $displayname = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
123         if ($displayname != "")
124                 $author["author-name"] = $displayname;
125
126         $author["owner-name"] = $author["author-name"];
127         $author["owner-link"] = $author["author-link"];
128         $author["owner-avatar"] = $author["author-avatar"];
129
130         if ($r AND !$onlyfetch) {
131                 // Update contact data
132
133                 $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
134                 if ($value != "")
135                         $contact["notify"] = $value;
136
137                 $value = $xpath->evaluate('atom:author/uri/text()', $context)->item(0)->nodeValue;
138                 if ($value != "")
139                         $contact["alias"] = $value;
140
141                 $value = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
142                 if ($value != "")
143                         $contact["name"] = $value;
144
145                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
146                 if ($value != "")
147                         $contact["nick"] = $value;
148
149                 $value = $xpath->evaluate('atom:author/poco:note/text()', $context)->item(0)->nodeValue;
150                 if ($value != "")
151                         $contact["about"] = html2bbcode($value);
152
153                 $value = $xpath->evaluate('atom:author/poco:address/poco:formatted/text()', $context)->item(0)->nodeValue;
154                 if ($value != "")
155                         $contact["location"] = $value;
156
157                 if (($contact["name"] != $r[0]["name"]) OR ($contact["nick"] != $r[0]["nick"]) OR ($contact["about"] != $r[0]["about"]) OR ($contact["location"] != $r[0]["location"])) {
158
159                         logger("Update contact data for contact ".$contact["id"], LOGGER_DEBUG);
160
161                         q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s', `name-date` = '%s' WHERE `id` = %d AND `network` = '%s'",
162                                 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
163                                 dbesc(datetime_convert()), intval($contact["id"]), dbesc(NETWORK_OSTATUS));
164
165                         poco_check($contact["url"], $contact["name"], $contact["network"], $author["author-avatar"], $contact["about"], $contact["location"],
166                                                 "", "", "", datetime_convert(), 2, $contact["id"], $contact["uid"]);
167                 }
168
169                 if (isset($author["author-avatar"]) AND ($author["author-avatar"] != $r[0]['photo'])) {
170                         logger("Update profile picture for contact ".$contact["id"], LOGGER_DEBUG);
171
172                         $photos = import_profile_photo($author["author-avatar"], $importer["uid"], $contact["id"]);
173
174                         q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' WHERE `id` = %d AND `network` = '%s'",
175                                 dbesc($author["author-avatar"]), dbesc($photos[1]), dbesc($photos[2]),
176                                 dbesc(datetime_convert()), intval($contact["id"]), dbesc(NETWORK_OSTATUS));
177                 }
178
179                 // @todo: Addr
180                 $contact["generation"] = 2;
181                 $contact["photo"] = $author["author-avatar"];
182                 update_gcontact($contact);
183         }
184
185         return($author);
186 }
187
188 function ostatus_salmon_author($xml, $importer) {
189         $a = get_app();
190
191         if ($xml == "")
192                 return;
193
194         $doc = new DOMDocument();
195         @$doc->loadXML($xml);
196
197         $xpath = new DomXPath($doc);
198         $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
199         $xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
200         $xpath->registerNamespace('georss', "http://www.georss.org/georss");
201         $xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
202         $xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
203         $xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
204         $xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
205         $xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
206
207         $entries = $xpath->query('/atom:entry');
208
209         foreach ($entries AS $entry) {
210                 // fetch the author
211                 $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, true);
212                 return $author;
213         }
214 }
215
216 function ostatus_import($xml,$importer,&$contact, &$hub) {
217
218         $a = get_app();
219
220         logger("Import OStatus message", LOGGER_DEBUG);
221
222         if ($xml == "")
223                 return;
224
225         $doc = new DOMDocument();
226         @$doc->loadXML($xml);
227
228         $xpath = new DomXPath($doc);
229         $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
230         $xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
231         $xpath->registerNamespace('georss', "http://www.georss.org/georss");
232         $xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
233         $xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
234         $xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
235         $xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
236         $xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
237
238         $gub = "";
239         $hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
240         if (is_object($hub_attributes))
241                 foreach($hub_attributes AS $hub_attribute)
242                         if ($hub_attribute->name == "href") {
243                                 $hub = $hub_attribute->textContent;
244                                 logger("Found hub ".$hub, LOGGER_DEBUG);
245                         }
246
247         $header = array();
248         $header["uid"] = $importer["uid"];
249         $header["network"] = NETWORK_OSTATUS;
250         $header["type"] = "remote";
251         $header["wall"] = 0;
252         $header["origin"] = 0;
253         $header["gravity"] = GRAVITY_PARENT;
254
255         // it could either be a received post or a post we fetched by ourselves
256         // depending on that, the first node is different
257         $first_child = $doc->firstChild->tagName;
258
259         if ($first_child == "feed")
260                 $entries = $xpath->query('/atom:feed/atom:entry');
261         else
262                 $entries = $xpath->query('/atom:entry');
263
264         $conversation = "";
265         $conversationlist = array();
266         $item_id = 0;
267
268         // Reverse the order of the entries
269         $entrylist = array();
270
271         foreach ($entries AS $entry)
272                 $entrylist[] = $entry;
273
274         foreach (array_reverse($entrylist) AS $entry) {
275
276                 $mention = false;
277
278                 // fetch the author
279                 if ($first_child == "feed")
280                         $author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact, false);
281                 else
282                         $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, false);
283
284                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
285                 if ($value != "")
286                         $nickname = $value;
287                 else
288                         $nickname = $author["author-name"];
289
290                 $item = array_merge($header, $author);
291
292                 // Now get the item
293                 $item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
294
295                 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
296                         intval($importer["uid"]), dbesc($item["uri"]));
297                 if ($r) {
298                         logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
299                         continue;
300                 }
301
302                 $item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
303                 $item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
304
305                 if (($item["object-type"] == ACTIVITY_OBJ_BOOKMARK) OR ($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
306                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
307                         $item["body"] = $xpath->query('atom:summary/text()', $entry)->item(0)->nodeValue;
308                 } elseif ($item["object-type"] == ACTIVITY_OBJ_QUESTION)
309                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
310
311                 $item["object"] = $xml;
312                 $item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
313
314                 /// @TODO
315                 /// Delete a message
316                 if ($item["verb"] == "qvitter-delete-notice") {
317                         // ignore "Delete" messages (by now)
318                         logger("Ignore delete message ".print_r($item, true));
319                         continue;
320                 }
321
322                 if ($item["verb"] == ACTIVITY_JOIN) {
323                         // ignore "Join" messages
324                         logger("Ignore join message ".print_r($item, true));
325                         continue;
326                 }
327
328                 if ($item["verb"] == ACTIVITY_FOLLOW) {
329                         new_follower($importer, $contact, $item, $nickname);
330                         continue;
331                 }
332
333                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfollow") {
334                         lose_follower($importer, $contact, $item, $dummy);
335                         continue;
336                 }
337
338                 if ($item["verb"] == ACTIVITY_FAVORITE) {
339                         $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
340                         logger("Favorite ".$orig_uri." ".print_r($item, true));
341
342                         $item["verb"] = ACTIVITY_LIKE;
343                         $item["parent-uri"] = $orig_uri;
344                         $item["gravity"] = GRAVITY_LIKE;
345                 }
346
347                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfavorite") {
348                         // Ignore "Unfavorite" message
349                         logger("Ignore unfavorite message ".print_r($item, true));
350                         continue;
351                 }
352
353                 // http://activitystrea.ms/schema/1.0/rsvp-yes
354                 if (!in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_LIKE, ACTIVITY_SHARE)))
355                         logger("Unhandled verb ".$item["verb"]." ".print_r($item, true));
356
357                 $item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
358                 $item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
359                 $conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
360
361                 $related = "";
362
363                 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
364                 if (is_object($inreplyto->item(0))) {
365                         foreach($inreplyto->item(0)->attributes AS $attributes) {
366                                 if ($attributes->name == "ref")
367                                         $item["parent-uri"] = $attributes->textContent;
368                                 if ($attributes->name == "href")
369                                         $related = $attributes->textContent;
370                         }
371                 }
372
373                 $georsspoint = $xpath->query('georss:point', $entry);
374                 if ($georsspoint)
375                         $item["coord"] = $georsspoint->item(0)->nodeValue;
376
377                 /// @TODO
378                 /// $item["location"] =
379
380                 $categories = $xpath->query('atom:category', $entry);
381                 if ($categories) {
382                         foreach ($categories AS $category) {
383                                 foreach($category->attributes AS $attributes)
384                                         if ($attributes->name == "term") {
385                                                 $term = $attributes->textContent;
386                                                 if(strlen($item["tag"]))
387                                                         $item["tag"] .= ',';
388                                                 $item["tag"] .= "#[url=".$a->get_baseurl()."/search?tag=".$term."]".$term."[/url]";
389                                         }
390                         }
391                 }
392
393                 $self = "";
394                 $enclosure = "";
395
396                 $links = $xpath->query('atom:link', $entry);
397                 if ($links) {
398                         $rel = "";
399                         $href = "";
400                         $type = "";
401                         $length = "0";
402                         $title = "";
403                         foreach ($links AS $link) {
404                                 foreach($link->attributes AS $attributes) {
405                                         if ($attributes->name == "href")
406                                                 $href = $attributes->textContent;
407                                         if ($attributes->name == "rel")
408                                                 $rel = $attributes->textContent;
409                                         if ($attributes->name == "type")
410                                                 $type = $attributes->textContent;
411                                         if ($attributes->name == "length")
412                                                 $length = $attributes->textContent;
413                                         if ($attributes->name == "title")
414                                                 $title = $attributes->textContent;
415                                 }
416                                 if (($rel != "") AND ($href != ""))
417                                         switch($rel) {
418                                                 case "alternate":
419                                                         $item["plink"] = $href;
420                                                         if (($item["object-type"] == ACTIVITY_OBJ_QUESTION) OR
421                                                                 ($item["object-type"] == ACTIVITY_OBJ_EVENT))
422                                                                 $item["body"] .= add_page_info($href);
423                                                         break;
424                                                 case "ostatus:conversation":
425                                                         $conversation = $href;
426                                                         break;
427                                                 case "enclosure":
428                                                         $enclosure = $href;
429                                                         if(strlen($item["attach"]))
430                                                                 $item["attach"] .= ',';
431
432                                                         $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
433                                                         break;
434                                                 case "related":
435                                                         if ($item["object-type"] != ACTIVITY_OBJ_BOOKMARK) {
436                                                                 if (!isset($item["parent-uri"]))
437                                                                         $item["parent-uri"] = $href;
438
439                                                                 if ($related == "")
440                                                                         $related = $href;
441                                                         } else
442                                                                 $item["body"] .= add_page_info($href);
443                                                         break;
444                                                 case "self":
445                                                         $self = $href;
446                                                         break;
447                                                 case "mentioned":
448                                                         // Notification check
449                                                         if ($importer["nurl"] == normalise_link($href))
450                                                                 $mention = true;
451                                                         break;
452                                         }
453                         }
454                 }
455
456                 $local_id = "";
457                 $repeat_of = "";
458
459                 $notice_info = $xpath->query('statusnet:notice_info', $entry);
460                 if ($notice_info AND ($notice_info->length > 0)) {
461                         foreach($notice_info->item(0)->attributes AS $attributes) {
462                                 if ($attributes->name == "source")
463                                         $item["app"] = strip_tags($attributes->textContent);
464                                 if ($attributes->name == "local_id")
465                                         $local_id = $attributes->textContent;
466                                 if ($attributes->name == "repeat_of")
467                                         $repeat_of = $attributes->textContent;
468                         }
469                 }
470
471                 // Is it a repeated post?
472                 if ($repeat_of != "") {
473                         $activityobjects = $xpath->query('activity:object', $entry)->item(0);
474
475                         if (is_object($activityobjects)) {
476
477                                 $orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
478                                 if (!isset($orig_uri))
479                                         $orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
480
481                                 $orig_links = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
482                                 if ($orig_links AND ($orig_links->length > 0))
483                                         foreach($orig_links->item(0)->attributes AS $attributes)
484                                                 if ($attributes->name == "href")
485                                                         $orig_link = $attributes->textContent;
486
487                                 if (!isset($orig_link))
488                                         $orig_link = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
489
490                                 if (!isset($orig_link))
491                                         $orig_link =  ostatus_convert_href($orig_uri);
492
493                                 $orig_body = $xpath->query('activity:object/atom:content/text()', $activityobjects)->item(0)->nodeValue;
494                                 if (!isset($orig_body))
495                                         $orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
496
497                                 $orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
498
499                                 $orig_contact = $contact;
500                                 $orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact, false);
501
502                                 //if (!intval(get_config('system','wall-to-wall_share'))) {
503                                 //      $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_link);
504                                 //      $item["body"] = $prefix.add_page_info_to_body(html2bbcode($orig_body))."[/share]";
505                                 //} else {
506                                         $item["author-name"] = $orig_author["author-name"];
507                                         $item["author-link"] = $orig_author["author-link"];
508                                         $item["author-avatar"] = $orig_author["author-avatar"];
509                                         $item["body"] = add_page_info_to_body(html2bbcode($orig_body));
510                                         $item["created"] = $orig_created;
511
512                                         $item["uri"] = $orig_uri;
513                                         $item["plink"] = $orig_link;
514                                 //}
515
516                                 $item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
517
518                                 $item["object-type"] = $xpath->query('activity:object/activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
519                                 if (!isset($item["object-type"]))
520                                         $item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
521                         }
522                 }
523
524                 //if ($enclosure != "")
525                 //      $item["body"] .= add_page_info($enclosure);
526
527                 if (isset($item["parent-uri"])) {
528                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
529                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
530
531                         if (!$r AND ($related != "")) {
532                                 $reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
533
534                                 if ($reply_path != $related) {
535                                         logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
536                                         $reply_xml = fetch_url($reply_path);
537
538                                         $reply_contact = $contact;
539                                         ostatus_import($reply_xml,$importer,$reply_contact, $reply_hub);
540
541                                         // After the import try to fetch the parent item again
542                                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
543                                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
544                                 }
545                         }
546                         if ($r) {
547                                 $item["type"] = 'remote-comment';
548                                 $item["gravity"] = GRAVITY_COMMENT;
549                         }
550                 } else
551                         $item["parent-uri"] = $item["uri"];
552
553                 $item_id = ostatus_completion($conversation, $importer["uid"], $item);
554
555                 if (!$item_id) {
556                         logger("Error storing item", LOGGER_DEBUG);
557                         continue;
558                 }
559
560                 logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
561                 $item["id"] = $item_id;
562
563                 if ($mention) {
564                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($item['uid']));
565                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($item_id));
566
567                         notification(array(
568                                 'type'         => NOTIFY_TAGSELF,
569                                 'notify_flags' => $u[0]["notify-flags"],
570                                 'language'     => $u[0]["language"],
571                                 'to_name'      => $u[0]["username"],
572                                 'to_email'     => $u[0]["email"],
573                                 'uid'          => $item["uid"],
574                                 'item'         => $item,
575                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item_id)),
576                                 'source_name'  => $item["author-name"],
577                                 'source_link'  => $item["author-link"],
578                                 'source_photo' => $item["author-avatar"],
579                                 'verb'         => ACTIVITY_TAG,
580                                 'otype'        => 'item',
581                                 'parent'       => $r[0]["parent"]
582                         ));
583                 }
584         }
585 }
586
587 function ostatus_convert_href($href) {
588         $elements = explode(":",$href);
589
590         if ((count($elements) <= 2) OR ($elements[0] != "tag"))
591                 return $href;
592
593         $server = explode(",", $elements[1]);
594         $conversation = explode("=", $elements[2]);
595
596         if ((count($elements) == 4) AND ($elements[2] == "post"))
597                 return "http://".$server[0]."/notice/".$elements[3];
598
599         if ((count($conversation) != 2) OR ($conversation[1] ==""))
600                 return $href;
601
602         if ($elements[3] == "objectType=thread")
603                 return "http://".$server[0]."/conversation/".$conversation[1];
604         else
605                 return "http://".$server[0]."/notice/".$conversation[1];
606
607         return $href;
608 }
609
610 function check_conversations($mentions = false, $override = false) {
611         $last = get_config('system','ostatus_last_poll');
612
613         $poll_interval = intval(get_config('system','ostatus_poll_interval'));
614         if(! $poll_interval)
615                 $poll_interval = OSTATUS_DEFAULT_POLL_INTERVAL;
616
617         // Don't poll if the interval is set negative
618         if (($poll_interval < 0) AND !$override)
619                 return;
620
621         if (!$mentions) {
622                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
623                 if (!$poll_timeframe)
624                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME;
625         } else {
626                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
627                 if (!$poll_timeframe)
628                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS;
629         }
630
631
632         if ($last AND !$override) {
633                 $next = $last + ($poll_interval * 60);
634                 if ($next > time()) {
635                         logger('poll interval not reached');
636                         return;
637                 }
638         }
639
640         logger('cron_start');
641
642         $start = date("Y-m-d H:i:s", time() - ($poll_timeframe * 60));
643
644         if ($mentions)
645                 $conversations = q("SELECT `term`.`oid`, `term`.`url`, `term`.`uid` FROM `term`
646                                         STRAIGHT_JOIN `thread` ON `thread`.`iid` = `term`.`oid` AND `thread`.`uid` = `term`.`uid`
647                                         WHERE `term`.`type` = 7 AND `term`.`term` > '%s' AND `thread`.`mention`
648                                         GROUP BY `term`.`url`, `term`.`uid` ORDER BY `term`.`term` DESC", dbesc($start));
649         else
650                 $conversations = q("SELECT `oid`, `url`, `uid` FROM `term`
651                                         WHERE `type` = 7 AND `term` > '%s'
652                                         GROUP BY `url`, `uid` ORDER BY `term` DESC", dbesc($start));
653
654         foreach ($conversations AS $conversation) {
655                 ostatus_completion($conversation['url'], $conversation['uid']);
656         }
657
658         logger('cron_end');
659
660         set_config('system','ostatus_last_poll', time());
661 }
662
663 function ostatus_completion($conversation_url, $uid, $item = array()) {
664
665         $a = get_app();
666
667         $item_stored = -1;
668
669         $conversation_url = ostatus_convert_href($conversation_url);
670
671         // If the thread shouldn't be completed then store the item and go away
672         if ((intval(get_config('system','ostatus_poll_interval')) == -2) AND (count($item) > 0)) {
673                 //$arr["app"] .= " (OStatus-NoCompletion)";
674                 $item_stored = item_store($item, true);
675                 return($item_stored);
676         }
677
678         // Get the parent
679         $parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
680                         (SELECT `parent` FROM `item` WHERE `id` IN
681                                 (SELECT `oid` FROM `term` WHERE `uid` = %d AND `otype` = %d AND `type` = %d AND `url` = '%s'))",
682                         intval($uid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION), dbesc($conversation_url));
683
684         if ($parents)
685                 $parent = $parents[0];
686         elseif (count($item) > 0) {
687                 $parent = $item;
688                 $parent["type"] = "remote";
689                 $parent["verb"] = ACTIVITY_POST;
690                 $parent["visible"] = 1;
691         } else {
692                 // Preset the parent
693                 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid`=%d", $uid);
694                 if (!$r)
695                         return(-2);
696
697                 $parent = array();
698                 $parent["id"] = 0;
699                 $parent["parent"] = 0;
700                 $parent["uri"] = "";
701                 $parent["contact-id"] = $r[0]["id"];
702                 $parent["type"] = "remote";
703                 $parent["verb"] = ACTIVITY_POST;
704                 $parent["visible"] = 1;
705         }
706
707         $conv = str_replace("/conversation/", "/api/statusnet/conversation/", $conversation_url).".as";
708         $pageno = 1;
709         $items = array();
710
711         logger('fetching conversation url '.$conv.' for user '.$uid);
712
713         do {
714                 $conv_arr = z_fetch_url($conv."?page=".$pageno);
715
716                 // If it is a non-ssl site and there is an error, then try ssl or vice versa
717                 if (!$conv_arr["success"] AND (substr($conv, 0, 7) == "http://")) {
718                         $conv = str_replace("http://", "https://", $conv);
719                         $conv_as = fetch_url($conv."?page=".$pageno);
720                 } elseif (!$conv_arr["success"] AND (substr($conv, 0, 8) == "https://")) {
721                         $conv = str_replace("https://", "http://", $conv);
722                         $conv_as = fetch_url($conv."?page=".$pageno);
723                 } else
724                         $conv_as = $conv_arr["body"];
725
726                 $conv_as = str_replace(',"statusnet:notice_info":', ',"statusnet_notice_info":', $conv_as);
727                 $conv_as = json_decode($conv_as);
728
729                 $no_of_items = sizeof($items);
730
731                 if (@is_array($conv_as->items))
732                         foreach ($conv_as->items AS $single_item)
733                                 $items[$single_item->id] = $single_item;
734
735                 if ($no_of_items == sizeof($items))
736                         break;
737
738                 $pageno++;
739
740         } while (true);
741
742         logger('fetching conversation done. Found '.count($items).' items');
743
744         if (!sizeof($items)) {
745                 if (count($item) > 0) {
746                         //$arr["app"] .= " (OStatus-NoConvFetched)";
747                         $item_stored = item_store($item, true);
748
749                         if ($item_stored) {
750                                 logger("Conversation ".$conversation_url." couldn't be fetched. Item uri ".$item["uri"]." stored: ".$item_stored, LOGGER_DEBUG);
751                                 ostatus_store_conversation($item_id, $conversation_url);
752                         }
753
754                         return($item_stored);
755                 } else
756                         return(-3);
757         }
758
759         $items = array_reverse($items);
760
761         $r = q("SELECT `nurl` FROM `contact` WHERE `uid` = %d AND `self`", intval($uid));
762         $importer = $r[0];
763
764         foreach ($items as $single_conv) {
765
766                 // Test - remove before flight
767                 //$tempfile = tempnam(get_temppath(), "conversation");
768                 //file_put_contents($tempfile, json_encode($single_conv));
769
770                 $mention = false;
771
772                 if (isset($single_conv->object->id))
773                         $single_conv->id = $single_conv->object->id;
774
775                 $plink = ostatus_convert_href($single_conv->id);
776                 if (isset($single_conv->object->url))
777                         $plink = ostatus_convert_href($single_conv->object->url);
778
779                 if (@!$single_conv->id)
780                         continue;
781
782                 logger("Got id ".$single_conv->id, LOGGER_DEBUG);
783
784                 if ($first_id == "") {
785                         $first_id = $single_conv->id;
786
787                         // The first post of the conversation isn't our first post. There are three options:
788                         // 1. Our conversation hasn't the "real" thread starter
789                         // 2. This first post is a post inside our thread
790                         // 3. This first post is a post inside another thread
791                         if (($first_id != $parent["uri"]) AND ($parent["uri"] != "")) {
792                                 $new_parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
793                                                         (SELECT `parent` FROM `item`
794                                                                 WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s')) LIMIT 1",
795                                         intval($uid), dbesc($first_id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
796                                 if ($new_parents) {
797                                         if ($new_parents[0]["parent"] == $parent["parent"]) {
798                                                 // Option 2: This post is already present inside our thread - but not as thread starter
799                                                 logger("Option 2: uri present in our thread: ".$first_id, LOGGER_DEBUG);
800                                                 $first_id = $parent["uri"];
801                                         } else {
802                                                 // Option 3: Not so good. We have mixed parents. We have to see how to clean this up.
803                                                 // For now just take the new parent.
804                                                 $parent = $new_parents[0];
805                                                 $first_id = $parent["uri"];
806                                                 logger("Option 3: mixed parents for uri ".$first_id, LOGGER_DEBUG);
807                                         }
808                                 } else {
809                                         // Option 1: We hadn't got the real thread starter
810                                         // We have to clean up our existing messages.
811                                         $parent["id"] = 0;
812                                         $parent["uri"] = $first_id;
813                                         logger("Option 1: we have a new parent: ".$first_id, LOGGER_DEBUG);
814                                 }
815                         } elseif ($parent["uri"] == "") {
816                                 $parent["id"] = 0;
817                                 $parent["uri"] = $first_id;
818                         }
819                 }
820
821                 $parent_uri = $parent["uri"];
822
823                 // "context" only seems to exist on older servers
824                 if (isset($single_conv->context->inReplyTo->id)) {
825                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
826                                                 intval($uid), dbesc($single_conv->context->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
827                         if ($parent_exists)
828                                 $parent_uri = $single_conv->context->inReplyTo->id;
829                 }
830
831                 // This is the current way
832                 if (isset($single_conv->object->inReplyTo->id)) {
833                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
834                                                 intval($uid), dbesc($single_conv->object->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
835                         if ($parent_exists)
836                                 $parent_uri = $single_conv->object->inReplyTo->id;
837                 }
838
839                 $message_exists = q("SELECT `id`, `parent`, `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
840                                                 intval($uid), dbesc($single_conv->id),
841                                                 dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
842                 if ($message_exists) {
843                         logger("Message ".$single_conv->id." already existed on the system", LOGGER_DEBUG);
844
845                         if ($parent["id"] != 0) {
846                                 $existing_message = $message_exists[0];
847
848                                 // We improved the way we fetch OStatus messages, this shouldn't happen very often now
849                                 /// @TODO We have to change the shadow copies as well. This way here is really ugly.
850                                 if ($existing_message["parent"] != $parent["id"]) {
851                                         logger('updating id '.$existing_message["id"].' with parent '.$existing_message["parent"].' to parent '.$parent["id"].' uri '.$parent["uri"].' thread '.$parent_uri, LOGGER_DEBUG);
852
853                                         // Update the parent id of the selected item
854                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `id` = %d",
855                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["id"]));
856
857                                         // Update the parent uri in the thread - but only if it points to itself
858                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE `id` = %d AND `uri` = `thr-parent`",
859                                                 dbesc($parent_uri), intval($existing_message["id"]));
860
861                                         // try to change all items of the same parent
862                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `parent` = %d",
863                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["parent"]));
864
865                                         // Update the parent uri in the thread - but only if it points to itself
866                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE (`parent` = %d) AND (`uri` = `thr-parent`)",
867                                                 dbesc($parent["uri"]), intval($existing_message["parent"]));
868
869                                         // Now delete the thread
870                                         delete_thread($existing_message["parent"]);
871                                 }
872                         }
873
874                         // The item we are having on the system is the one that we wanted to store via the item array
875                         if (isset($item["uri"]) AND ($item["uri"] == $existing_message["uri"])) {
876                                 $item = array();
877                                 $item_stored = 0;
878                         }
879
880                         continue;
881                 }
882
883                 if (is_array($single_conv->to))
884                         foreach($single_conv->to AS $to)
885                                 if ($importer["nurl"] == normalise_link($to->id))
886                                         $mention = true;
887
888                 $actor = $single_conv->actor->id;
889                 if (isset($single_conv->actor->url))
890                         $actor = $single_conv->actor->url;
891
892                 $contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
893                                 $uid, normalise_link($actor), NETWORK_STATUSNET);
894
895                 if (count($contact)) {
896                         logger("Found contact for url ".$actor, LOGGER_DEBUG);
897                         $contact_id = $contact[0]["id"];
898                 } else {
899                         logger("No contact found for url ".$actor, LOGGER_DEBUG);
900
901                         // Adding a global contact
902                         /// @TODO Use this data for the post
903                         $global_contact_id = get_contact($actor, 0);
904
905                         logger("Global contact ".$global_contact_id." found for url ".$actor, LOGGER_DEBUG);
906
907                         $contact_id = $parent["contact-id"];
908                 }
909
910                 $arr = array();
911                 $arr["network"] = NETWORK_OSTATUS;
912                 $arr["uri"] = $single_conv->id;
913                 $arr["plink"] = $plink;
914                 $arr["uid"] = $uid;
915                 $arr["contact-id"] = $contact_id;
916                 $arr["parent-uri"] = $parent_uri;
917                 $arr["created"] = $single_conv->published;
918                 $arr["edited"] = $single_conv->published;
919                 $arr["owner-name"] = $single_conv->actor->displayName;
920                 if ($arr["owner-name"] == '')
921                         $arr["owner-name"] = $single_conv->actor->contact->displayName;
922                 if ($arr["owner-name"] == '')
923                         $arr["owner-name"] = $single_conv->actor->portablecontacts_net->displayName;
924
925                 $arr["owner-link"] = $actor;
926                 $arr["owner-avatar"] = $single_conv->actor->image->url;
927                 $arr["author-name"] = $arr["owner-name"];
928                 $arr["author-link"] = $actor;
929                 $arr["author-avatar"] = $single_conv->actor->image->url;
930                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->content));
931
932                 if (isset($single_conv->status_net->notice_info->source))
933                         $arr["app"] = strip_tags($single_conv->status_net->notice_info->source);
934                 elseif (isset($single_conv->statusnet->notice_info->source))
935                         $arr["app"] = strip_tags($single_conv->statusnet->notice_info->source);
936                 elseif (isset($single_conv->statusnet_notice_info->source))
937                         $arr["app"] = strip_tags($single_conv->statusnet_notice_info->source);
938                 elseif (isset($single_conv->provider->displayName))
939                         $arr["app"] = $single_conv->provider->displayName;
940                 else
941                         $arr["app"] = "OStatus";
942
943                 //$arr["app"] .= " (Conversation)";
944
945                 $arr["object"] = json_encode($single_conv);
946                 $arr["verb"] = $parent["verb"];
947                 $arr["visible"] = $parent["visible"];
948                 $arr["location"] = $single_conv->location->displayName;
949                 $arr["coord"] = trim($single_conv->location->lat." ".$single_conv->location->lon);
950
951                 // Is it a reshared item?
952                 if (isset($single_conv->verb) AND ($single_conv->verb == "share") AND isset($single_conv->object)) {
953                         if (is_array($single_conv->object))
954                                 $single_conv->object = $single_conv->object[0];
955
956                         logger("Found reshared item ".$single_conv->object->id);
957
958                         // $single_conv->object->context->conversation;
959
960                         if (isset($single_conv->object->object->id))
961                                 $arr["uri"] = $single_conv->object->object->id;
962                         else
963                                 $arr["uri"] = $single_conv->object->id;
964
965                         if (isset($single_conv->object->object->url))
966                                 $plink = ostatus_convert_href($single_conv->object->object->url);
967                         else
968                                 $plink = ostatus_convert_href($single_conv->object->url);
969
970                         if (isset($single_conv->object->object->content))
971                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->object->content));
972                         else
973                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->content));
974
975                         $arr["plink"] = $plink;
976
977                         $arr["created"] = $single_conv->object->published;
978                         $arr["edited"] = $single_conv->object->published;
979
980                         $arr["author-name"] = $single_conv->object->actor->displayName;
981                         if ($arr["owner-name"] == '')
982                                 $arr["author-name"] = $single_conv->object->actor->contact->displayName;
983
984                         $arr["author-link"] = $single_conv->object->actor->url;
985                         $arr["author-avatar"] = $single_conv->object->actor->image->url;
986
987                         $arr["app"] = $single_conv->object->provider->displayName."#";
988                         //$arr["verb"] = $single_conv->object->verb;
989
990                         $arr["location"] = $single_conv->object->location->displayName;
991                         $arr["coord"] = trim($single_conv->object->location->lat." ".$single_conv->object->location->lon);
992                 }
993
994                 if ($arr["location"] == "")
995                         unset($arr["location"]);
996
997                 if ($arr["coord"] == "")
998                         unset($arr["coord"]);
999
1000                 // Copy fields from given item array
1001                 if (isset($item["uri"]) AND (($item["uri"] == $arr["uri"]) OR ($item["uri"] ==  $single_conv->id))) {
1002                         $copy_fields = array("owner-name", "owner-link", "owner-avatar", "author-name", "author-link", "author-avatar",
1003                                                 "gravity", "body", "object-type", "object", "verb", "created", "edited", "coord", "tag",
1004                                                 "title", "attach", "app", "type", "location", "contact-id", "uri");
1005                         foreach ($copy_fields AS $field)
1006                                 if (isset($item[$field]))
1007                                         $arr[$field] = $item[$field];
1008
1009                         //$arr["app"] .= " (OStatus)";
1010                 }
1011
1012                 $newitem = item_store($arr);
1013                 if (!$newitem) {
1014                         logger("Item wasn't stored ".print_r($arr, true), LOGGER_DEBUG);
1015                         continue;
1016                 }
1017
1018                 if (isset($item["uri"]) AND ($item["uri"] == $arr["uri"])) {
1019                         $item = array();
1020                         $item_stored = $newitem;
1021                 }
1022
1023                 logger('Stored new item '.$plink.' for parent '.$arr["parent-uri"].' under id '.$newitem, LOGGER_DEBUG);
1024
1025                 // Add the conversation entry (but don't fetch the whole conversation)
1026                 ostatus_store_conversation($newitem, $conversation_url);
1027
1028                 if ($mention) {
1029                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($uid));
1030                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($newitem));
1031
1032                         notification(array(
1033                                 'type'         => NOTIFY_TAGSELF,
1034                                 'notify_flags' => $u[0]["notify-flags"],
1035                                 'language'     => $u[0]["language"],
1036                                 'to_name'      => $u[0]["username"],
1037                                 'to_email'     => $u[0]["email"],
1038                                 'uid'          => $uid,
1039                                 'item'         => $arr,
1040                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($newitem)),
1041                                 'source_name'  => $arr["author-name"],
1042                                 'source_link'  => $arr["author-link"],
1043                                 'source_photo' => $arr["author-avatar"],
1044                                 'verb'         => ACTIVITY_TAG,
1045                                 'otype'        => 'item',
1046                                 'parent'       => $r[0]["parent"]
1047                         ));
1048                 }
1049
1050                 // If the newly created item is the top item then change the parent settings of the thread
1051                 // This shouldn't happen anymore. This is supposed to be absolote.
1052                 if ($arr["uri"] == $first_id) {
1053                         logger('setting new parent to id '.$newitem);
1054                         $new_parents = q("SELECT `id`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
1055                                 intval($uid), intval($newitem));
1056                         if ($new_parents)
1057                                 $parent = $new_parents[0];
1058                 }
1059         }
1060
1061         if (($item_stored < 0) AND (count($item) > 0)) {
1062                 //$arr["app"] .= " (OStatus-NoConvFound)";
1063                 $item_stored = item_store($item, true);
1064                 if ($item_stored) {
1065                         logger("Uri ".$item["uri"]." wasn't found in conversation ".$conversation_url, LOGGER_DEBUG);
1066                         ostatus_store_conversation($item_stored, $conversation_url);
1067                 }
1068         }
1069
1070         return($item_stored);
1071 }
1072
1073 function ostatus_store_conversation($itemid, $conversation_url) {
1074         global $a;
1075
1076         $conversation_url = ostatus_convert_href($conversation_url);
1077
1078         $messages = q("SELECT `uid`, `parent`, `created`, `received`, `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
1079         if (!$messages)
1080                 return;
1081         $message = $messages[0];
1082
1083         // Store conversation url if not done before
1084         $conversation = q("SELECT `url` FROM `term` WHERE `uid` = %d AND `oid` = %d AND `otype` = %d AND `type` = %d",
1085                 intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION));
1086
1087         if (!$conversation) {
1088                 $r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `created`, `received`, `guid`) VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s')",
1089                         intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION),
1090                         dbesc($message["created"]), dbesc($conversation_url), dbesc($message["created"]), dbesc($message["received"]), dbesc($message["guid"]));
1091                 logger('Storing conversation url '.$conversation_url.' for id '.$itemid);
1092         }
1093 }
1094
1095 function get_reshared_guid($item) {
1096         $body = trim($item["body"]);
1097
1098         // Skip if it isn't a pure repeated messages
1099         // Does it start with a share?
1100         if (strpos($body, "[share") > 0)
1101                 return("");
1102
1103         // Does it end with a share?
1104         if (strlen($body) > (strrpos($body, "[/share]") + 8))
1105                 return("");
1106
1107         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
1108         // Skip if there is no shared message in there
1109         if ($body == $attributes)
1110                 return(false);
1111
1112         $guid = "";
1113         preg_match("/guid='(.*?)'/ism", $attributes, $matches);
1114         if ($matches[1] != "")
1115                 $guid = $matches[1];
1116
1117         preg_match('/guid="(.*?)"/ism', $attributes, $matches);
1118         if ($matches[1] != "")
1119                 $guid = $matches[1];
1120
1121         return $guid;
1122 }
1123
1124 function xml_add_element($doc, $parent, $element, $value = "", $attributes = array()) {
1125         $element = $doc->createElement($element, xmlify($value));
1126
1127         foreach ($attributes AS $key => $value) {
1128                 $attribute = $doc->createAttribute($key);
1129                 $attribute->value = xmlify($value);
1130                 $element->appendChild($attribute);
1131         }
1132
1133         $parent->appendChild($element);
1134 }
1135
1136 function ostatus_format_picture_post($body) {
1137         $siteinfo = get_attached_data($body);
1138
1139         if (($siteinfo["type"] == "photo")) {
1140                 if (isset($siteinfo["preview"]))
1141                         $preview = $siteinfo["preview"];
1142                 else
1143                         $preview = $siteinfo["image"];
1144
1145                 // Is it a remote picture? Then make a smaller preview here
1146                 $preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
1147
1148                 // Is it a local picture? Then make it smaller here
1149                 $preview = str_replace(array("-0.jpg", "-0.png"), array("-2.jpg", "-2.png"), $preview);
1150                 $preview = str_replace(array("-1.jpg", "-1.png"), array("-2.jpg", "-2.png"), $preview);
1151
1152                 if (isset($siteinfo["url"]))
1153                         $url = $siteinfo["url"];
1154                 else
1155                         $url = $siteinfo["image"];
1156
1157                 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1158         }
1159
1160         return $body;
1161 }
1162
1163 function ostatus_add_header($doc, $owner) {
1164         $a = get_app();
1165
1166         $root = $doc->createElementNS(NS_ATOM, 'feed');
1167         $doc->appendChild($root);
1168
1169         $root->setAttribute("xmlns:thr", NS_THR);
1170         $root->setAttribute("xmlns:georss", NS_GEORSS);
1171         $root->setAttribute("xmlns:activity", NS_ACTIVITY);
1172         $root->setAttribute("xmlns:media", NS_MEDIA);
1173         $root->setAttribute("xmlns:poco", NS_POCO);
1174         $root->setAttribute("xmlns:ostatus", NS_OSTATUS);
1175         $root->setAttribute("xmlns:statusnet", NS_STATUSNET);
1176
1177         $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
1178         xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1179         xml_add_element($doc, $root, "id", $a->get_baseurl()."/profile/".$owner["nick"]);
1180         xml_add_element($doc, $root, "title", sprintf("%s timeline", $owner["name"]));
1181         xml_add_element($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], $a->config["sitename"]));
1182         xml_add_element($doc, $root, "logo", $owner["photo"]);
1183         xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
1184
1185         $author = ostatus_add_author($doc, $owner);
1186         $root->appendChild($author);
1187
1188         $attributes = array("href" => $owner["url"], "rel" => "alternate", "type" => "text/html");
1189         xml_add_element($doc, $root, "link", "", $attributes);
1190
1191         /// @TODO We have to find out what this is
1192         /// $attributes = array("href" => $a->get_baseurl()."/sup",
1193         ///             "rel" => "http://api.friendfeed.com/2008/03#sup",
1194         ///             "type" => "application/json");
1195         /// xml_add_element($doc, $root, "link", "", $attributes);
1196
1197         ostatus_hublinks($doc, $root);
1198
1199         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "salmon");
1200         xml_add_element($doc, $root, "link", "", $attributes);
1201
1202         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies");
1203         xml_add_element($doc, $root, "link", "", $attributes);
1204
1205         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention");
1206         xml_add_element($doc, $root, "link", "", $attributes);
1207
1208         $attributes = array("href" => $a->get_baseurl()."/api/statuses/user_timeline/".$owner["nick"].".atom",
1209                         "rel" => "self", "type" => "application/atom+xml");
1210         xml_add_element($doc, $root, "link", "", $attributes);
1211
1212         return $root;
1213 }
1214
1215 function ostatus_hublinks($doc, $root) {
1216         $a = get_app();
1217         $hub = get_config('system','huburl');
1218
1219         $hubxml = '';
1220         if(strlen($hub)) {
1221                 $hubs = explode(',', $hub);
1222                 if(count($hubs)) {
1223                         foreach($hubs as $h) {
1224                                 $h = trim($h);
1225                                 if(! strlen($h))
1226                                         continue;
1227                                 if ($h === '[internal]')
1228                                         $h = $a->get_baseurl() . '/pubsubhubbub';
1229                                 xml_add_element($doc, $root, "link", "", array("href" => $h, "rel" => "hub"));
1230                         }
1231                 }
1232         }
1233 }
1234
1235 function ostatus_get_attachment($doc, $root, $item) {
1236         $o = "";
1237         $siteinfo = get_attached_data($item["body"]);
1238
1239         switch($siteinfo["type"]) {
1240                 case 'link':
1241                         $attributes = array("rel" => "enclosure",
1242                                         "href" => $siteinfo["url"],
1243                                         "type" => "text/html; charset=UTF-8",
1244                                         "length" => "",
1245                                         "title" => $siteinfo["title"]);
1246                         xml_add_element($doc, $root, "link", "", $attributes);
1247                         break;
1248                 case 'photo':
1249                         $imgdata = get_photo_info($siteinfo["image"]);
1250                         $attributes = array("rel" => "enclosure",
1251                                         "href" => $siteinfo["image"],
1252                                         "type" => $imgdata["mime"],
1253                                         "length" => intval($imgdata["size"]));
1254                         xml_add_element($doc, $root, "link", "", $attributes);
1255                         break;
1256                 case 'video':
1257                         $attributes = array("rel" => "enclosure",
1258                                         "href" => $siteinfo["url"],
1259                                         "type" => "text/html; charset=UTF-8",
1260                                         "length" => "",
1261                                         "title" => $siteinfo["title"]);
1262                         xml_add_element($doc, $root, "link", "", $attributes);
1263                         break;
1264                 default:
1265                         break;
1266         }
1267
1268         if (($siteinfo["type"] != "photo") AND isset($siteinfo["image"])) {
1269                 $photodata = get_photo_info($siteinfo["image"]);
1270
1271                 $attributes = array("rel" => "preview", "href" => $siteinfo["image"], "media:width" => $photodata[0], "media:height" => $photodata[1]);
1272                 xml_add_element($doc, $root, "link", "", $attributes);
1273         }
1274
1275
1276         $arr = explode('[/attach],',$item['attach']);
1277         if(count($arr)) {
1278                 foreach($arr as $r) {
1279                         $matches = false;
1280                         $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
1281                         if($cnt) {
1282                                 $attributes = array("rel" => "enclosure",
1283                                                 "href" => $matches[1],
1284                                                 "type" => $matches[3]);
1285
1286                                 if(intval($matches[2]))
1287                                         $attributes["length"] = intval($matches[2]);
1288
1289                                 if(trim($matches[4]) != "")
1290                                         $attributes["title"] = trim($matches[4]);
1291
1292                                 xml_add_element($doc, $root, "link", "", $attributes);
1293                         }
1294                 }
1295         }
1296 }
1297
1298 function ostatus_add_author($doc, $owner) {
1299         $a = get_app();
1300
1301         $r = q("SELECT `homepage` FROM `profile` WHERE `uid` = %d AND `is-default` LIMIT 1", intval($owner["uid"]));
1302         if ($r)
1303                 $profile = $r[0];
1304
1305         $author = $doc->createElement("author");
1306         xml_add_element($doc, $author, "activity:object-type", ACTIVITY_OBJ_PERSON);
1307         xml_add_element($doc, $author, "uri", $owner["url"]);
1308         xml_add_element($doc, $author, "name", $owner["name"]);
1309
1310         $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $owner["url"]);
1311         xml_add_element($doc, $author, "link", "", $attributes);
1312
1313         $attributes = array(
1314                         "rel" => "avatar",
1315                         "type" => "image/jpeg", // To-Do?
1316                         "media:width" => 175,
1317                         "media:height" => 175,
1318                         "href" => $owner["photo"]);
1319         xml_add_element($doc, $author, "link", "", $attributes);
1320
1321         if (isset($owner["thumb"])) {
1322                 $attributes = array(
1323                                 "rel" => "avatar",
1324                                 "type" => "image/jpeg", // To-Do?
1325                                 "media:width" => 80,
1326                                 "media:height" => 80,
1327                                 "href" => $owner["thumb"]);
1328                 xml_add_element($doc, $author, "link", "", $attributes);
1329         }
1330
1331         xml_add_element($doc, $author, "poco:preferredUsername", $owner["nick"]);
1332         xml_add_element($doc, $author, "poco:displayName", $owner["name"]);
1333         xml_add_element($doc, $author, "poco:note", $owner["about"]);
1334
1335         if (trim($owner["location"]) != "") {
1336                 $element = $doc->createElement("poco:address");
1337                 xml_add_element($doc, $element, "poco:formatted", $owner["location"]);
1338                 $author->appendChild($element);
1339         }
1340
1341         if (trim($profile["homepage"]) != "") {
1342                 $urls = $doc->createElement("poco:urls");
1343                 xml_add_element($doc, $urls, "poco:type", "homepage");
1344                 xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
1345                 xml_add_element($doc, $urls, "poco:primary", "true");
1346                 $author->appendChild($urls);
1347         }
1348
1349         if (count($profile)) {
1350                 xml_add_element($doc, $author, "followers", "", array("url" => $a->get_baseurl()."/viewcontacts/".$owner["nick"]));
1351                 xml_add_element($doc, $author, "statusnet:profile_info", "", array("local_id" => $owner["uid"]));
1352         }
1353
1354         return $author;
1355 }
1356
1357 /** 
1358  * @TODO Picture attachments should look like this:
1359  *      <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1360  *      class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1361  * 
1362 */
1363
1364 function ostatus_entry($doc, $item, $owner, $toplevel = false, $repeat = false) {
1365         $a = get_app();
1366
1367         $is_repeat = false;
1368
1369 /*      if (!$repeat) {
1370                 $repeated_guid = get_reshared_guid($item);
1371
1372                 if ($repeated_guid != "") {
1373                         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1374                                 intval($owner["uid"]), dbesc($repeated_guid));
1375                         if ($r) {
1376                                 $repeated_item = $r[0];
1377                                 $is_repeat = true;
1378                         }
1379                 }
1380         }
1381 */
1382         if (!$toplevel AND !$repeat) {
1383                 $entry = $doc->createElement("entry");
1384                 $title = sprintf("New note by %s", $owner["nick"]);
1385         } elseif (!$toplevel AND $repeat) {
1386                 $entry = $doc->createElement("activity:object");
1387                 $title = sprintf("New note by %s", $owner["nick"]);
1388         } else {
1389                 $entry = $doc->createElementNS(NS_ATOM, "entry");
1390
1391                 $entry->setAttribute("xmlns:thr", NS_THR);
1392                 $entry->setAttribute("xmlns:georss", NS_GEORSS);
1393                 $entry->setAttribute("xmlns:activity", NS_ACTIVITY);
1394                 $entry->setAttribute("xmlns:media", NS_MEDIA);
1395                 $entry->setAttribute("xmlns:poco", NS_POCO);
1396                 $entry->setAttribute("xmlns:ostatus", NS_OSTATUS);
1397                 $entry->setAttribute("xmlns:statusnet", NS_STATUSNET);
1398
1399                 $author = ostatus_add_author($doc, $owner);
1400                 $entry->appendChild($author);
1401
1402                 $title = sprintf("New comment by %s", $owner["nick"]);
1403         }
1404
1405         // To use the object-type "bookmark" we have to implement these elements:
1406         //
1407         // <activity:object-type>http://activitystrea.ms/schema/1.0/bookmark</activity:object-type>
1408         // <title>Historic Rocket Landing</title>
1409         // <summary>Nur ein Testbeitrag.</summary>
1410         // <link rel="related" href="https://www.youtube.com/watch?v=9pillaOxGCo"/>
1411         // <link rel="preview" href="https://pirati.cc/file/thumb-4526-450x338-b48c8055f0c2fed0c3f67adc234c4b99484a90c42ed3cac73dc1081a4d0a7bc1.jpg.jpg" media:width="450" media:height="338"/>
1412         //
1413         // But: it seems as if it doesn't federate well between the GS servers
1414         // So we just set it to "note" to be sure that it reaches their target systems
1415
1416         if (!$repeat)
1417                 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1418         else
1419                 xml_add_element($doc, $entry, "activity:object-type", NAMESPACE_ACTIVITY_SCHEMA.'activity');
1420
1421         xml_add_element($doc, $entry, "id", $item["uri"]);
1422         xml_add_element($doc, $entry, "title", $title);
1423
1424         if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1425                 $body = fix_private_photos($item['body'],$owner['uid'],$item, 0);
1426         else
1427                 $body = $item['body'];
1428
1429         $body = ostatus_format_picture_post($body);
1430
1431         if ($item['title'] != "")
1432                 $body = "[b]".$item['title']."[/b]\n\n".$body;
1433
1434         //$body = bb_remove_share_information($body);
1435         $body = bbcode($body, false, false, 7);
1436
1437         xml_add_element($doc, $entry, "content", $body, array("type" => "html"));
1438
1439         xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
1440                                                         "href" => $a->get_baseurl()."/display/".$item["guid"]));
1441
1442         xml_add_element($doc, $entry, "status_net", "", array("notice_id" => $item["id"]));
1443
1444         if (!$is_repeat)
1445                 xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
1446         else
1447                 xml_add_element($doc, $entry, "activity:verb", ACTIVITY_SHARE);
1448
1449         xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
1450         xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
1451
1452         if ($is_repeat) {
1453                 $repeated_owner = array();
1454                 $repeated_owner["name"] = $repeated_item["author-name"];
1455                 $repeated_owner["url"] = $repeated_item["author-link"];
1456                 $repeated_owner["photo"] = $repeated_item["author-avatar"];
1457                 $repeated_owner["nick"] = $repeated_owner["name"];
1458                 $repeated_owner["location"] = "";
1459                 $repeated_owner["about"] = "";
1460                 $repeated_owner["uid"] = 0;
1461
1462                 // Fetch the missing data from the global contacts
1463                 $r =q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($repeated_item["author-link"]));
1464                 if ($r) {
1465                         if ($r[0]["nick"] != "")
1466                                 $repeated_owner["nick"] = $r[0]["nick"];
1467
1468                         $repeated_owner["location"] = $r[0]["location"];
1469                         $repeated_owner["about"] = $r[0]["about"];
1470                 }
1471
1472                 $entry_repeat = ostatus_entry($doc, $repeated_item, $repeated_owner, false, true);
1473                 $entry->appendChild($entry_repeat);
1474         } elseif ($repeat) {
1475                 $author = ostatus_add_author($doc, $owner);
1476                 $entry->appendChild($author);
1477         }
1478
1479         $mentioned = array();
1480
1481         if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
1482                 $parent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `id` = %d", intval($item["parent"]));
1483                 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
1484
1485                 $attributes = array(
1486                                 "ref" => $parent_item,
1487                                 "type" => "text/html",
1488                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1489                 xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
1490
1491                 $attributes = array(
1492                                 "rel" => "related",
1493                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1494                 xml_add_element($doc, $entry, "link", "", $attributes);
1495
1496                 $mentioned[$parent[0]["author-link"]] = $parent[0]["author-link"];
1497                 $mentioned[$parent[0]["owner-link"]] = $parent[0]["owner-link"];
1498
1499                 $thrparent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
1500                                 intval($owner["uid"]),
1501                                 dbesc($parent_item));
1502                 if ($thrparent) {
1503                         $mentioned[$thrparent[0]["author-link"]] = $thrparent[0]["author-link"];
1504                         $mentioned[$thrparent[0]["owner-link"]] = $thrparent[0]["owner-link"];
1505                 }
1506         }
1507
1508         xml_add_element($doc, $entry, "link", "", array("rel" => "ostatus:conversation",
1509                                                         "href" => $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]));
1510         xml_add_element($doc, $entry, "ostatus:conversation", $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]);
1511
1512         $tags = item_getfeedtags($item);
1513
1514         if(count($tags))
1515                 foreach($tags as $t)
1516                         if ($t[0] == "@")
1517                                 $mentioned[$t[1]] = $t[1];
1518
1519         // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
1520         $newmentions = array();
1521         foreach ($mentioned AS $mention) {
1522                 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
1523                 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
1524         }
1525         $mentioned = $newmentions;
1526
1527         foreach ($mentioned AS $mention) {
1528                 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1529                         intval($owner["uid"]),
1530                         dbesc(normalise_link($mention)));
1531                 if ($r[0]["forum"] OR $r[0]["prv"])
1532                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1533                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1534                                                                                 "href" => $mention));
1535                 else
1536                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1537                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1538                                                                                 "href" => $mention));
1539         }
1540
1541         if (!$item["private"])
1542                 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1543                                                                 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
1544                                                                 "href" => "http://activityschema.org/collection/public"));
1545
1546         if(count($tags))
1547                 foreach($tags as $t)
1548                         if ($t[0] != "@")
1549                                 xml_add_element($doc, $entry, "category", "", array("term" => $t[2]));
1550
1551         ostatus_get_attachment($doc, $entry, $item);
1552
1553         /// @TODO
1554         /// The API call has yet to be implemented
1555         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1556         //              "rel" => "self", "type" => "application/atom+xml");
1557         //xml_add_element($doc, $entry, "link", "", $attributes);
1558
1559         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1560         //              "rel" => "edit", "type" => "application/atom+xml");
1561         //xml_add_element($doc, $entry, "link", "", $attributes);
1562
1563         $app = $item["app"];
1564         if ($app == "")
1565                 $app = "web";
1566
1567
1568         $attributes = array("local_id" => $item["id"], "source" => $app);
1569         if ($is_repeat)
1570                 $attributes["repeat_of"] = $repeated_item["id"];
1571
1572         xml_add_element($doc, $entry, "statusnet:notice_info", "", $attributes);
1573
1574         return $entry;
1575 }
1576
1577 function ostatus_feed(&$a, $owner_nick, $last_update) {
1578
1579         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
1580                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
1581                         WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
1582                         dbesc($owner_nick));
1583         if (!$r)
1584                 return;
1585
1586         $owner = $r[0];
1587
1588         if(!strlen($last_update))
1589                 $last_update = 'now -30 days';
1590
1591         $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
1592
1593         $items = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id` FROM `item`
1594                         INNER JOIN `thread` ON `thread`.`iid` = `item`.`parent`
1595                         LEFT JOIN `item` AS `thritem` ON `thritem`.`uri`=`item`.`thr-parent` AND `thritem`.`uid`=`item`.`uid`
1596                         WHERE `item`.`uid` = %d AND `item`.`received` > '%s' AND NOT `item`.`private` AND NOT `item`.`deleted`
1597                                 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
1598                                 AND ((`item`.`wall` AND (`item`.`parent` = `item`.`id`))
1599                                         OR (`item`.`network` = '%s' AND ((`thread`.`network` IN ('%s', '%s')) OR (`thritem`.`network` IN ('%s', '%s')))) AND `thread`.`mention`)
1600                                 AND ((`item`.`owner-link` IN ('%s', '%s') AND (`item`.`parent` = `item`.`id`))
1601                                         OR (`item`.`author-link` IN ('%s', '%s')))
1602                         ORDER BY `item`.`received` DESC
1603                         LIMIT 0, 300",
1604                         intval($owner["uid"]), dbesc($check_date), dbesc(NETWORK_DFRN),
1605                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1606                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1607                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1608                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1609                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"])),
1610                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"]))
1611                 );
1612
1613         $doc = new DOMDocument('1.0', 'utf-8');
1614         $doc->formatOutput = true;
1615
1616         $root = ostatus_add_header($doc, $owner);
1617
1618         foreach ($items AS $item) {
1619                 $entry = ostatus_entry($doc, $item, $owner);
1620                 $root->appendChild($entry);
1621         }
1622
1623         return(trim($doc->saveXML()));
1624 }
1625
1626 function ostatus_salmon($item,$owner) {
1627
1628         $doc = new DOMDocument('1.0', 'utf-8');
1629         $doc->formatOutput = true;
1630
1631         $entry = ostatus_entry($doc, $item, $owner, true);
1632
1633         $doc->appendChild($entry);
1634
1635         return(trim($doc->saveXML()));
1636 }
1637 ?>