3 * @file include/items.php
6 use Friendica\Content\Feature;
7 use Friendica\Core\Config;
8 use Friendica\Core\PConfig;
9 use Friendica\Core\Worker;
10 use Friendica\Core\System;
11 use Friendica\Database\DBM;
12 use Friendica\Model\Contact;
13 use Friendica\Model\GContact;
14 use Friendica\Model\Group;
15 use Friendica\Model\User;
16 use Friendica\Object\Image;
17 use Friendica\Protocol\DFRN;
18 use Friendica\Protocol\OStatus;
19 use Friendica\Protocol\Feed;
20 use Friendica\Util\ParseUrl;
22 require_once 'include/bbcode.php';
23 require_once 'include/tags.php';
24 require_once 'include/files.php';
25 require_once 'include/text.php';
26 require_once 'include/threads.php';
27 require_once 'include/plaintext.php';
28 require_once 'mod/share.php';
29 require_once 'include/enotify.php';
31 function construct_verb($item) {
45 * The purpose of this function is to apply system message length limits to
46 * imported messages without including any embedded photos in the length
48 * @brief Truncates imported message body string length to max_import_size
52 function limit_body_size($body)
54 $maxlen = get_max_import_size();
56 // If the length of the body, including the embedded images, is smaller
57 // than the maximum, then don't waste time looking for the images
58 if ($maxlen && (strlen($body) > $maxlen)) {
60 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
66 $img_start = strpos($orig_body, '[img');
67 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
68 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
69 while (($img_st_close !== false) && ($img_end !== false)) {
71 $img_st_close++; // make it point to AFTER the closing bracket
72 $img_end += $img_start;
73 $img_end += strlen('[/img]');
75 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
76 // This is an embedded image
78 if (($textlen + $img_start) > $maxlen ) {
79 if ($textlen < $maxlen) {
80 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
81 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
85 $new_body = $new_body . substr($orig_body, 0, $img_start);
86 $textlen += $img_start;
89 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
92 if (($textlen + $img_end) > $maxlen ) {
93 if ($textlen < $maxlen) {
94 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
95 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
99 $new_body = $new_body . substr($orig_body, 0, $img_end);
100 $textlen += $img_end;
103 $orig_body = substr($orig_body, $img_end);
105 if ($orig_body === false) {
106 // in case the body ends on a closing image tag
110 $img_start = strpos($orig_body, '[img');
111 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
112 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
115 if (($textlen + strlen($orig_body)) > $maxlen) {
116 if ($textlen < $maxlen) {
117 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
118 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
121 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
122 $new_body = $new_body . $orig_body;
131 function title_is_body($title, $body) {
133 $title = strip_tags($title);
134 $title = trim($title);
135 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
136 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
138 $body = strip_tags($body);
140 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
141 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
143 if (strlen($title) < strlen($body)) {
144 $body = substr($body, 0, strlen($title));
147 if (($title != $body) && (substr($title, -3) == "...")) {
148 $pos = strrpos($title, "...");
150 $title = substr($title, 0, $pos);
151 $body = substr($body, 0, $pos);
155 return ($title == $body);
158 function add_page_info_data($data) {
159 call_hooks('page_info_data', $data);
161 // It maybe is a rich content, but if it does have everything that a link has,
162 // then treat it that way
163 if (($data["type"] == "rich") && is_string($data["title"]) &&
164 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
165 $data["type"] = "link";
168 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
172 if ($no_photos && ($data["type"] == "photo")) {
176 // Escape some bad characters
177 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
178 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
180 $text = "[attachment type='".$data["type"]."'";
182 if ($data["text"] == "") {
183 $data["text"] = $data["title"];
186 if ($data["text"] == "") {
187 $data["text"] = $data["url"];
190 if ($data["url"] != "") {
191 $text .= " url='".$data["url"]."'";
194 if ($data["title"] != "") {
195 $text .= " title='".$data["title"]."'";
198 if (sizeof($data["images"]) > 0) {
199 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
200 // if the preview picture is larger than 500 pixels then show it in a larger mode
201 // But only, if the picture isn't higher than large (To prevent huge posts)
202 if (!Config::get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
203 && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
204 $text .= " image='".$preview."'";
206 $text .= " preview='".$preview."'";
210 $text .= "]".$data["text"]."[/attachment]";
213 if (isset($data["keywords"]) && count($data["keywords"])) {
215 foreach ($data["keywords"] AS $keyword) {
216 /// @todo make a positive list of allowed characters
217 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
218 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
219 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
223 return "\n".$text.$hashtags;
226 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
228 $data = ParseUrl::getSiteinfoCached($url, true);
231 $data["images"][0]["src"] = $photo;
234 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
236 if (!$keywords && isset($data["keywords"])) {
237 unset($data["keywords"]);
240 if (($keyword_blacklist != "") && isset($data["keywords"])) {
241 $list = explode(", ", $keyword_blacklist);
242 foreach ($list AS $keyword) {
243 $keyword = trim($keyword);
244 $index = array_search($keyword, $data["keywords"]);
245 if ($index !== false) {
246 unset($data["keywords"][$index]);
254 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
255 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
258 if (isset($data["keywords"]) && count($data["keywords"])) {
259 foreach ($data["keywords"] AS $keyword) {
260 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
261 array("", "", "", "", "", ""), $keyword);
267 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
274 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
275 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
277 $text = add_page_info_data($data);
282 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
284 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
286 $URLSearchString = "^\[\]";
288 // Fix for Mastodon where the mentions are in a different format
289 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
290 '$2[url=$1]$3[/url]', $body);
292 // Adding these spaces is a quick hack due to my problems with regular expressions :)
293 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
296 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
299 // Convert urls without bbcode elements
300 if (!$matches && $texturl) {
301 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
303 // Yeah, a hack. I really hate regular expressions :)
305 $matches[1] = $matches[2];
310 $footer = add_page_info($matches[1], $no_photos);
313 // Remove the link from the body if the link is attached at the end of the post
314 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
315 $removedlink = trim(str_replace($matches[1], "", $body));
316 if (($removedlink == "") || strstr($body, $removedlink)) {
317 $body = $removedlink;
320 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
321 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
322 if (($removedlink == "") || strstr($body, $removedlink)) {
323 $body = $removedlink;
327 // Add the page information to the bottom
328 if (isset($footer) && (trim($footer) != "")) {
336 * Adds a "lang" specification in a "postopts" element of given $arr,
337 * if possible and not already present.
338 * Expects "body" element to exist in $arr.
340 * @todo Add a parameter to request forcing override
342 function item_add_language_opt(&$arr) {
344 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
345 // LanguageDetect.php not available ?
349 if (x($arr, 'postopts') ) {
350 if (strstr($arr['postopts'], 'lang=') ) {
352 /// @TODO Add parameter to request overriding
355 $postopts = $arr['postopts'];
360 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
361 $l = new Text_LanguageDetect();
362 $lng = $l->detect($naked_body, 3);
364 if (sizeof($lng) > 0) {
365 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
366 $postopts .= 'lang=';
368 foreach ($lng as $language => $score) {
369 $postopts .= $sep . $language . ";" . $score;
372 $arr['postopts'] = $postopts;
377 * @brief Creates an unique guid out of a given uri
379 * @param string $uri uri of an item entry
380 * @param string $host (Optional) hostname for the GUID prefix
381 * @return string unique guid
383 function uri_to_guid($uri, $host = "") {
385 // Our regular guid routine is using this kind of prefix as well
386 // We have to avoid that different routines could accidentally create the same value
387 $parsed = parse_url($uri);
389 // When the hostname isn't given, we take it from the uri
391 // Is it in the format data@host.tld?
392 if ((count($parsed) == 1) && strstr($uri, '@')) {
393 $mailparts = explode('@', $uri);
394 $host = array_pop($mailparts);
396 $host = $parsed["host"];
400 // We use a hash of the hostname as prefix for the guid
401 $guid_prefix = hash("crc32", $host);
403 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
404 unset($parsed["scheme"]);
406 // Glue it together to be able to make a hash from it
407 $host_id = implode("/", $parsed);
409 // We could use any hash algorithm since it isn't a security issue
410 $host_hash = hash("ripemd128", $host_id);
412 return $guid_prefix.$host_hash;
416 * @brief Store the conversation data
418 * @param array $arr Item array with conversation data
419 * @return array Item array with removed conversation data
421 function store_conversation($arr) {
422 if (in_array(defaults($arr, 'network', NETWORK_PHANTOM), array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)) && !empty($arr['uri'])) {
423 $conversation = array('item-uri' => $arr['uri'], 'received' => DBM::date());
425 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
426 $conversation['reply-to-uri'] = $arr['parent-uri'];
428 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
429 $conversation['reply-to-uri'] = $arr['thr-parent'];
432 if (isset($arr['conversation-uri'])) {
433 $conversation['conversation-uri'] = $arr['conversation-uri'];
436 if (isset($arr['conversation-href'])) {
437 $conversation['conversation-href'] = $arr['conversation-href'];
440 if (isset($arr['protocol'])) {
441 $conversation['protocol'] = $arr['protocol'];
444 if (isset($arr['source'])) {
445 $conversation['source'] = $arr['source'];
448 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
449 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
450 if (DBM::is_result($old_conv)) {
451 // Don't update when only the source has changed.
452 // Only do this when there had been no source before.
453 if ($old_conv['source'] != '') {
454 unset($old_conv['source']);
456 // Update structure data all the time but the source only when its from a better protocol.
457 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
458 unset($conversation['protocol']);
459 unset($conversation['source']);
461 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
462 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
465 if (!dba::insert('conversation', $conversation, true)) {
466 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
471 unset($arr['conversation-uri']);
472 unset($arr['conversation-href']);
473 unset($arr['protocol']);
474 unset($arr['source']);
479 /// @TODO add type-hint array
480 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false)
484 // If it is a posting where users should get notifications, then define it as wall posting
487 $arr['type'] = 'wall';
489 $arr['last-child'] = 1;
490 $arr['network'] = NETWORK_DFRN;
491 $arr['protocol'] = PROTOCOL_DFRN;
493 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
494 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
495 // This is done because our host is the original creator of the post.
496 if (!isset($arr['guid'])) {
497 if (isset($arr['plink'])) {
498 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
499 } elseif (isset($arr['uri'])) {
500 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
504 $arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM));
509 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
510 $arr['guid'] = uri_to_guid($arr['plink']);
511 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
512 $arr['guid'] = uri_to_guid($arr['uri']);
514 $parsed = parse_url($arr["author-link"]);
515 $guid_prefix = hash("crc32", $parsed["host"]);
518 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
519 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
521 // Store conversation data
522 $arr = store_conversation($arr);
525 * If a Diaspora signature structure was passed in, pull it out of the
526 * item array and set it aside for later storage.
530 if (x($arr, 'dsprsig')) {
531 $encoded_signature = $arr['dsprsig'];
532 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
533 unset($arr['dsprsig']);
536 // Converting the plink
537 /// @todo Check if this is really still needed
538 if ($arr['network'] == NETWORK_OSTATUS) {
539 if (isset($arr['plink'])) {
540 $arr['plink'] = OStatus::convertHref($arr['plink']);
541 } elseif (isset($arr['uri'])) {
542 $arr['plink'] = OStatus::convertHref($arr['uri']);
546 if (x($arr, 'gravity')) {
547 $arr['gravity'] = intval($arr['gravity']);
548 } elseif ($arr['parent-uri'] === $arr['uri']) {
550 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
553 $arr['gravity'] = 6; // extensible catchall
556 if (! x($arr, 'type')) {
557 $arr['type'] = 'remote';
560 $uid = intval($arr['uid']);
562 // check for create date and expire time
563 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
565 $r = dba::select('user', array('expire'), array('uid' => $uid), array("limit" => 1));
566 if (DBM::is_result($r) && ($r['expire'] > 0) && (($r['expire'] < $expire_interval) || ($expire_interval == 0))) {
567 $expire_interval = $r['expire'];
570 if (($expire_interval > 0) && !empty($arr['created'])) {
571 $expire_date = time() - ($expire_interval * 86400);
572 $created_date = strtotime($arr['created']);
573 if ($created_date < $expire_date) {
574 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
580 * Do we already have this item?
581 * We have to check several networks since Friendica posts could be repeated
582 * via OStatus (maybe Diasporsa as well)
584 if (in_array($arr['network'], array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
585 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
586 dbesc(trim($arr['uri'])),
588 dbesc(NETWORK_DIASPORA),
590 dbesc(NETWORK_OSTATUS)
592 if (DBM::is_result($r)) {
593 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
595 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
602 /// @TODO old-lost code?
603 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
604 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
605 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
606 // $arr['body'] = strip_tags($arr['body']);
608 item_add_language_opt($arr);
610 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
611 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
612 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
613 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
614 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
615 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
616 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
617 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
618 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
619 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
620 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
621 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
622 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
623 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
624 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
625 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
626 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
627 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
629 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
630 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
631 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
632 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
633 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
634 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
635 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
636 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
637 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
638 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
639 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
640 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
641 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
642 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
643 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
644 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
645 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
646 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
647 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
648 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
649 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
650 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
651 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
653 // When there is no content then we don't post it
654 if ($arr['body'].$arr['title'] == '') {
658 // Items cannot be stored before they happen ...
659 if ($arr['created'] > datetime_convert()) {
660 $arr['created'] = datetime_convert();
663 // We haven't invented time travel by now.
664 if ($arr['edited'] > datetime_convert()) {
665 $arr['edited'] = datetime_convert();
668 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
669 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
672 if ($arr['plink'] == "") {
673 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
676 if ($arr['network'] == NETWORK_PHANTOM) {
677 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
678 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
679 dbesc(normalise_link($arr['author-link'])),
683 if (!DBM::is_result($r)) {
684 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
685 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
686 dbesc(normalise_link($arr['author-link']))
690 if (!DBM::is_result($r)) {
691 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
692 intval($arr['contact-id']),
697 if (DBM::is_result($r)) {
698 $arr['network'] = $r[0]["network"];
701 // Fallback to friendica (why is it empty in some cases?)
702 if ($arr['network'] == "") {
703 $arr['network'] = NETWORK_DFRN;
706 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
709 // The contact-id should be set before "item_store" was called - but there seems to be some issues
710 if ($arr["contact-id"] == 0) {
712 * First we are looking for a suitable contact that matches with the author of the post
713 * This is done only for comments (See below explanation at "gcontact-id")
715 if ($arr['parent-uri'] != $arr['uri']) {
716 $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
719 // If not present then maybe the owner was found
720 if ($arr["contact-id"] == 0) {
721 $arr["contact-id"] = Contact::getIdForURL($arr['owner-link'], $uid);
724 // Still missing? Then use the "self" contact of the current user
725 if ($arr["contact-id"] == 0) {
726 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
728 if (DBM::is_result($r)) {
729 $arr["contact-id"] = $r[0]["id"];
733 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
736 if (!x($arr, "gcontact-id")) {
738 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
739 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
740 * On comments the author is the better choice.
742 if ($arr['parent-uri'] === $arr['uri']) {
743 $arr["gcontact-id"] = GContact::getId(array("url" => $arr['owner-link'], "network" => $arr['network'],
744 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
746 $arr["gcontact-id"] = GContact::getId(array("url" => $arr['author-link'], "network" => $arr['network'],
747 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
751 if ($arr["author-id"] == 0) {
752 $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
755 if (Contact::isBlocked($arr["author-id"])) {
756 logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
760 if ($arr["owner-id"] == 0) {
761 $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
764 if (Contact::isBlocked($arr["owner-id"])) {
765 logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
769 if ($arr['guid'] != "") {
770 // Checking if there is already an item with the same guid
771 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
772 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
773 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
775 if (DBM::is_result($r)) {
776 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
781 // Check for hashtags in the body and repair or add hashtag links
782 item_body_set_hashtags($arr);
784 $arr['thr-parent'] = $arr['parent-uri'];
786 if ($arr['parent-uri'] === $arr['uri']) {
789 $allow_cid = $arr['allow_cid'];
790 $allow_gid = $arr['allow_gid'];
791 $deny_cid = $arr['deny_cid'];
792 $deny_gid = $arr['deny_gid'];
793 $notify_type = 'wall-new';
796 // find the parent and snarf the item id and ACLs
797 // and anything else we need to inherit
799 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
800 dbesc($arr['parent-uri']),
804 if (DBM::is_result($r)) {
806 // is the new message multi-level threaded?
807 // even though we don't support it now, preserve the info
808 // and re-attach to the conversation parent.
810 if ($r[0]['uri'] != $r[0]['parent-uri']) {
811 $arr['parent-uri'] = $r[0]['parent-uri'];
812 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
813 ORDER BY `id` ASC LIMIT 1",
814 dbesc($r[0]['parent-uri']),
815 dbesc($r[0]['parent-uri']),
819 if (DBM::is_result($z)) {
824 $parent_id = $r[0]['id'];
825 $parent_deleted = $r[0]['deleted'];
826 $allow_cid = $r[0]['allow_cid'];
827 $allow_gid = $r[0]['allow_gid'];
828 $deny_cid = $r[0]['deny_cid'];
829 $deny_gid = $r[0]['deny_gid'];
830 $arr['wall'] = $r[0]['wall'];
831 $notify_type = 'comment-new';
834 * If the parent is private, force privacy for the entire conversation
835 * This differs from the above settings as it subtly allows comments from
836 * email correspondents to be private even if the overall thread is not.
838 if ($r[0]['private']) {
839 $arr['private'] = $r[0]['private'];
843 * Edge case. We host a public forum that was originally posted to privately.
844 * The original author commented, but as this is a comment, the permissions
845 * weren't fixed up so it will still show the comment as private unless we fix it here.
847 if ((intval($r[0]['forum_mode']) == 1) && $r[0]['private']) {
851 // If its a post from myself then tag the thread as "mention"
852 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
853 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
854 if (DBM::is_result($u)) {
855 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
856 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
857 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
858 dba::update('thread', array('mention' => true), array('iid' => $parent_id));
859 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
864 * Allow one to see reply tweets from status.net even when
865 * we don't have or can't see the original post.
868 logger('item_store: $force_parent=true, reply converted to top-level post.');
870 $arr['parent-uri'] = $arr['uri'];
873 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
881 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
883 dbesc($arr['network']),
887 if (DBM::is_result($r)) {
888 logger('duplicated item with the same uri found. '.print_r($arr,true));
892 // On Friendica and Diaspora the GUID is unique
893 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
894 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
898 if (DBM::is_result($r)) {
899 logger('duplicated item with the same guid found. '.print_r($arr,true));
903 // Check for an existing post with the same content. There seems to be a problem with OStatus.
904 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
906 dbesc($arr['network']),
907 dbesc($arr['created']),
908 intval($arr['contact-id']),
911 if (DBM::is_result($r)) {
912 logger('duplicated item with the same body found. '.print_r($arr,true));
917 // Is this item available in the global items (with uid=0)?
918 if ($arr["uid"] == 0) {
919 $arr["global"] = true;
921 // Set the global flag on all items if this was a global item entry
922 dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
924 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
926 $arr["global"] = (DBM::is_result($isglobal) && count($isglobal) > 0);
930 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
933 $private = $arr['private'];
936 $arr["allow_cid"] = $allow_cid;
937 $arr["allow_gid"] = $allow_gid;
938 $arr["deny_cid"] = $deny_cid;
939 $arr["deny_gid"] = $deny_gid;
940 $arr["private"] = $private;
941 $arr["deleted"] = $parent_deleted;
943 // Fill the cache field
944 put_item_in_cache($arr);
947 call_hooks('post_local', $arr);
949 call_hooks('post_remote', $arr);
952 // This array field is used to trigger some automatic reactions
953 // It is mainly used in the "post_local" hook.
954 unset($arr['api_source']);
956 if (x($arr, 'cancel')) {
957 logger('item_store: post cancelled by plugin.');
962 * Check for already added items.
963 * There is a timing issue here that sometimes creates double postings.
964 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
966 if ($arr["uid"] == 0) {
967 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
968 if (DBM::is_result($r)) {
969 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
974 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
977 $r = dba::insert('item', $arr);
979 // When the item was successfully stored we fetch the ID of the item.
980 if (DBM::is_result($r)) {
981 $current_post = dba::lastInsertId();
983 // This can happen - for example - if there are locking timeouts.
986 // Store the data into a spool file so that we can try again later.
988 // At first we restore the Diaspora signature that we removed above.
989 if (isset($encoded_signature)) {
990 $arr['dsprsig'] = $encoded_signature;
993 // Now we store the data in the spool directory
994 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
995 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
997 $spoolpath = get_spoolpath();
998 if ($spoolpath != "") {
999 $spool = $spoolpath.'/'.$file;
1000 file_put_contents($spool, json_encode($arr));
1001 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1006 if ($current_post == 0) {
1007 // This is one of these error messages that never should occur.
1008 logger("couldn't find created item - we better quit now.");
1013 // How much entries have we created?
1014 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1015 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1017 intval($arr['uid']),
1018 dbesc($arr['network'])
1021 if (!DBM::is_result($r)) {
1022 // This shouldn't happen, since COUNT always works when the database connection is there.
1023 logger("We couldn't count the stored entries. Very strange ...");
1028 if ($r[0]["entries"] > 1) {
1029 // There are duplicates. We delete our just created entry.
1030 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1032 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1033 dba::delete('item', array('id' => $current_post));
1036 } elseif ($r[0]["entries"] == 0) {
1037 // This really should never happen since we quit earlier if there were problems.
1038 logger("Something is terribly wrong. We haven't found our created entry.");
1043 logger('item_store: created item '.$current_post);
1044 item_set_last_item($arr);
1046 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1047 $parent_id = $current_post;
1051 dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
1053 $arr['id'] = $current_post;
1054 $arr['parent'] = $parent_id;
1056 // update the commented timestamp on the parent
1057 // Only update "commented" if it is really a comment
1058 if (($arr['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1059 dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
1061 dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
1067 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1068 * We can check for this condition when we decode and encode the stuff again.
1070 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1071 $dsprsig->signature = base64_decode($dsprsig->signature);
1072 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1075 dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1076 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
1079 $deleted = tag_deliver($arr['uid'], $current_post);
1082 * current post can be deleted if is for a community page and no mention are
1085 if (!$deleted && !$dontcache) {
1087 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1088 if ((DBM::is_result($r)) && (count($r) == 1)) {
1090 call_hooks('post_local_end', $r[0]);
1092 call_hooks('post_remote_end', $r[0]);
1095 logger('item_store: new item not found in DB, id ' . $current_post);
1099 if ($arr['parent-uri'] === $arr['uri']) {
1100 add_thread($current_post);
1102 update_thread($parent_id);
1108 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1109 * This is not perfect - but a workable solution until we found the reason for the problem.
1111 create_tags_from_item($current_post);
1112 create_files_from_item($current_post);
1115 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1116 * It is done after the transaction to avoid dead locks.
1118 if ($arr['last-child']) {
1119 q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1121 intval($arr['uid']),
1122 intval($current_post)
1126 if ($arr['parent-uri'] === $arr['uri']) {
1127 add_shadow_thread($current_post);
1129 add_shadow_entry($current_post);
1132 check_user_notification($current_post);
1135 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "Notifier", $notify_type, $current_post);
1138 return $current_post;
1142 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1144 * This can be used to filter for inactive contacts.
1145 * Only do this for public postings to avoid privacy problems, since poco data is public.
1146 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1148 * @param array $arr Contains the just posted item record
1150 function item_set_last_item($arr) {
1151 // Unarchive the author
1152 $contact = dba::select('contact', [], ['id' => $arr["author-link"]], ['limit' => 1]);
1153 if ($contact['term-date'] > NULL_DATE) {
1154 Contact::unmarkForArchival($contact);
1157 // Unarchive the contact if it is a toplevel posting
1158 if ($arr["parent-uri"] === $arr["uri"]) {
1159 $contact = dba::select('contact', [], ['id' => $arr["contact-id"]], ['limit' => 1]);
1160 if ($contact['term-date'] > NULL_DATE) {
1161 Contact::unmarkForArchival($contact);
1165 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1167 // Is it a forum? Then we don't care about the rules from above
1168 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1169 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1170 intval($arr['contact-id']));
1171 if (DBM::is_result($isforum)) {
1177 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1178 array('id' => $arr['contact-id']));
1180 // Now do the same for the system wide contacts with uid=0
1181 if (!$arr['private']) {
1182 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1183 array('id' => $arr['owner-id']));
1185 if ($arr['owner-id'] != $arr['author-id']) {
1186 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1187 array('id' => $arr['author-id']));
1192 function item_body_set_hashtags(&$item) {
1194 $tags = get_tags($item["body"]);
1197 if (!count($tags)) {
1201 // This sorting is important when there are hashtags that are part of other hashtags
1202 // Otherwise there could be problems with hashtags like #test and #test2
1205 $URLSearchString = "^\[\]";
1207 // All hashtags should point to the home server if "local_tags" is activated
1208 if (Config::get('system', 'local_tags')) {
1209 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1210 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1212 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1213 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1216 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1217 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1219 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1222 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1224 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1227 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1229 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1232 // Repair recursive urls
1233 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1234 "#$2", $item["body"]);
1236 foreach ($tags as $tag) {
1237 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1241 $basetag = str_replace('_',' ',substr($tag,1));
1243 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1245 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1247 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1248 if (strlen($item["tag"])) {
1249 $item["tag"] = ','.$item["tag"];
1251 $item["tag"] = $newtag.$item["tag"];
1255 // Convert back the masked hashtags
1256 $item["body"] = str_replace("#", "#", $item["body"]);
1259 function get_item_guid($id) {
1260 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1261 if (DBM::is_result($r)) {
1262 return $r[0]["guid"];
1264 /// @TODO This else-block can be elimited again
1269 function get_item_id($guid, $uid = 0) {
1275 $uid == local_user();
1278 // Does the given user have this item?
1280 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1281 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1282 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1283 if (DBM::is_result($r)) {
1285 $nick = $r[0]["nickname"];
1289 // Or is it anywhere on the server?
1291 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1292 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1293 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1294 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1295 AND `item`.`private` = 0 AND `item`.`wall` = 1
1296 AND `item`.`guid` = '%s'", dbesc($guid));
1297 if (DBM::is_result($r)) {
1299 $nick = $r[0]["nickname"];
1302 return array("nick" => $nick, "id" => $id);
1306 function get_item_contact($item, $contacts) {
1307 if (! count($contacts) || (! is_array($item))) {
1310 foreach ($contacts as $contact) {
1311 if ($contact['id'] == $item['contact-id']) {
1319 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1321 * @param int $item_id
1322 * @return bool true if item was deleted, else false
1324 function tag_deliver($uid, $item_id)
1328 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1331 if (! DBM::is_result($u)) {
1335 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1336 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1338 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1342 if (! DBM::is_result($i)) {
1348 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1351 * Diaspora uses their own hardwired link URL in @-tags
1352 * instead of the one we supply with webfinger
1354 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1356 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1358 foreach ($matches as $mtch) {
1359 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1361 logger('tag_deliver: mention found: ' . $mtch[2]);
1367 if (($community_page || $prvgroup) &&
1368 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1369 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1371 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1372 dba::delete('item', array('id' => $item_id));
1378 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1380 call_hooks('tagged', $arr);
1382 if ((! $community_page) && (! $prvgroup)) {
1387 * tgroup delivery - setup a second delivery chain
1388 * prevent delivery looping - only proceed
1389 * if the message originated elsewhere and is a top-level post
1391 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1395 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1396 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1397 intval($u[0]['uid'])
1399 if (! DBM::is_result($c)) {
1403 // also reset all the privacy bits to the forum default permissions
1405 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1407 $forum_mode = (($prvgroup) ? 2 : 1);
1409 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1410 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1411 intval($forum_mode),
1412 dbesc($c[0]['name']),
1413 dbesc($c[0]['url']),
1414 dbesc($c[0]['thumb']),
1416 dbesc($u[0]['allow_cid']),
1417 dbesc($u[0]['allow_gid']),
1418 dbesc($u[0]['deny_cid']),
1419 dbesc($u[0]['deny_gid']),
1422 update_thread($item_id);
1424 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'Notifier', 'tgroup', $item_id);
1430 function tgroup_check($uid, $item) {
1434 // check that the message originated elsewhere and is a top-level post
1436 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1440 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1441 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1444 if (! DBM::is_result($u)) {
1448 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1449 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1451 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1454 * Diaspora uses their own hardwired link URL in @-tags
1455 * instead of the one we supply with webfinger
1457 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1459 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1461 foreach ($matches as $mtch) {
1462 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1464 logger('tgroup_check: mention found: ' . $mtch[2]);
1473 /// @TODO Combine both return statements into one
1474 return (($community_page) || ($prvgroup));
1478 * This function returns true if $update has an edited timestamp newer
1479 * than $existing, i.e. $update contains new data which should override
1480 * what's already there. If there is no timestamp yet, the update is
1481 * assumed to be newer. If the update has no timestamp, the existing
1482 * item is assumed to be up-to-date. If the timestamps are equal it
1483 * assumes the update has been seen before and should be ignored.
1485 * @todo fix type-hints (both array)
1487 function edited_timestamp_is_newer($existing, $update) {
1488 if (!x($existing, 'edited') || !$existing['edited']) {
1491 if (!x($update, 'edited') || !$update['edited']) {
1495 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1496 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1497 return (strcmp($existing_edited, $update_edited) < 0);
1502 * consume_feed - process atom feed and update anything/everything we might need to update
1504 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1506 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1507 * It is this person's stuff that is going to be updated.
1508 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1509 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1510 * have a contact record.
1511 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1512 * might not) try and subscribe to it.
1513 * $datedir sorts in reverse order
1514 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1515 * imported prior to its children being seen in the stream unless we are certain
1516 * of how the feed is arranged/ordered.
1517 * With $pass = 1, we only pull parent items out of the stream.
1518 * With $pass = 2, we only pull children (comments/likes).
1520 * So running this twice, first with pass 1 and then with pass 2 will do the right
1521 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1522 * model where comments can have sub-threads. That would require some massive sorting
1523 * to get all the feed items into a mostly linear ordering, and might still require
1526 * @todo find proper type-hints
1528 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1529 if ($contact['network'] === NETWORK_OSTATUS) {
1531 // Test - remove before flight
1532 //$tempfile = tempnam(get_temppath(), "ostatus2");
1533 //file_put_contents($tempfile, $xml);
1534 logger("Consume OStatus messages ", LOGGER_DEBUG);
1535 OStatus::import($xml, $importer, $contact, $hub);
1540 if ($contact['network'] === NETWORK_FEED) {
1542 logger("Consume feeds", LOGGER_DEBUG);
1543 Feed::import($xml, $importer, $contact, $hub);
1548 if ($contact['network'] === NETWORK_DFRN) {
1549 logger("Consume DFRN messages", LOGGER_DEBUG);
1551 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1552 `contact`.`pubkey` AS `cpubkey`,
1553 `contact`.`prvkey` AS `cprvkey`,
1554 `contact`.`thumb` AS `thumb`,
1555 `contact`.`url` as `url`,
1556 `contact`.`name` as `senderName`,
1559 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1560 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1561 dbesc($contact["id"]), dbesc($importer["uid"])
1563 if (DBM::is_result($r)) {
1564 logger("Now import the DFRN feed");
1565 DFRN::import($xml, $r[0], true);
1571 /// @TODO type-hint is array
1572 function item_is_remote_self($contact, &$datarray) {
1575 if (!$contact['remote_self']) {
1579 // Prevent the forwarding of posts that are forwarded
1580 if ($datarray["extid"] == NETWORK_DFRN) {
1584 // Prevent to forward already forwarded posts
1585 if ($datarray["app"] == $a->get_hostname()) {
1589 // Only forward posts
1590 if ($datarray["verb"] != ACTIVITY_POST) {
1594 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1598 $datarray2 = $datarray;
1599 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1600 if ($contact['remote_self'] == 2) {
1601 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1602 intval($contact['uid']));
1603 if (DBM::is_result($r)) {
1604 $datarray['contact-id'] = $r[0]["id"];
1606 $datarray['owner-name'] = $r[0]["name"];
1607 $datarray['owner-link'] = $r[0]["url"];
1608 $datarray['owner-avatar'] = $r[0]["thumb"];
1610 $datarray['author-name'] = $datarray['owner-name'];
1611 $datarray['author-link'] = $datarray['owner-link'];
1612 $datarray['author-avatar'] = $datarray['owner-avatar'];
1614 unset($datarray['created']);
1615 unset($datarray['edited']);
1618 if ($contact['network'] != NETWORK_FEED) {
1619 $datarray["guid"] = get_guid(32);
1620 unset($datarray["plink"]);
1621 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1622 $datarray["parent-uri"] = $datarray["uri"];
1623 $datarray["extid"] = $contact['network'];
1624 $urlpart = parse_url($datarray2['author-link']);
1625 $datarray["app"] = $urlpart["host"];
1627 $datarray['private'] = 0;
1631 if ($contact['network'] != NETWORK_FEED) {
1632 // Store the original post
1633 $r = item_store($datarray2, false, false);
1634 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1636 $datarray["app"] = "Feed";
1639 // Trigger automatic reactions for addons
1640 $datarray['api_source'] = true;
1642 // We have to tell the hooks who we are - this really should be improved
1643 $_SESSION["authenticated"] = true;
1644 $_SESSION["uid"] = $contact['uid'];
1649 /// @TODO find proper type-hints
1650 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1651 $url = notags(trim($datarray['author-link']));
1652 $name = notags(trim($datarray['author-name']));
1653 $photo = notags(trim($datarray['author-avatar']));
1655 if (is_object($item)) {
1656 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1657 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1658 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1664 if (is_array($contact)) {
1665 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1666 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1667 dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
1668 array('id' => $contact['id'], 'uid' => $importer['uid']));
1670 // send email notification to owner?
1672 // create contact record
1673 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1674 `blocked`, `readonly`, `pending`, `writable`)
1675 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1676 intval($importer['uid']),
1677 dbesc(datetime_convert()),
1679 dbesc(normalise_link($url)),
1683 dbesc(NETWORK_OSTATUS),
1684 intval(CONTACT_IS_FOLLOWER)
1687 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1688 intval($importer['uid']),
1691 if (DBM::is_result($r)) {
1692 $contact_record = $r[0];
1693 Contact::updateAvatar($photo, $importer["uid"], $contact_record["id"], true);
1696 /// @TODO Encapsulate this into a function/method
1697 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1698 intval($importer['uid'])
1700 if (DBM::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1701 // create notification
1702 $hash = random_string();
1704 if (is_array($contact_record)) {
1705 dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
1706 'blocked' => false, 'knowyou' => false,
1707 'hash' => $hash, 'datetime' => datetime_convert()));
1710 Group::addMember(User::getDefaultGroup($importer['uid'], $contact_record["network"]), $contact_record['id']);
1712 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1713 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1716 'type' => NOTIFY_INTRO,
1717 'notify_flags' => $r[0]['notify-flags'],
1718 'language' => $r[0]['language'],
1719 'to_name' => $r[0]['username'],
1720 'to_email' => $r[0]['email'],
1721 'uid' => $r[0]['uid'],
1722 'link' => System::baseUrl() . '/notifications/intro',
1723 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1724 'source_link' => $contact_record['url'],
1725 'source_photo' => $contact_record['photo'],
1726 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1731 } elseif (DBM::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1732 q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1733 intval($importer['uid']),
1741 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1743 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1744 dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
1746 Contact::remove($contact['id']);
1750 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1752 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1753 dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
1755 Contact::remove($contact['id']);
1759 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1763 if (is_array($importer)) {
1764 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1765 intval($importer['uid'])
1770 * Diaspora has different message-ids in feeds than they do
1771 * through the direct Diaspora protocol. If we try and use
1772 * the feed, we'll get duplicates. So don't.
1774 if ((! DBM::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1778 $push_url = Config::get('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1780 // Use a single verify token, even if multiple hubs
1781 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1783 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1785 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1787 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1788 dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
1791 post_url($url, $params);
1793 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1803 * @param array $item
1807 function fix_private_photos($s, $uid, $item = null, $cid = 0)
1809 if (Config::get('system', 'disable_embedded')) {
1813 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1814 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
1819 $img_start = strpos($orig_body, '[img');
1820 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1821 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1823 while (($img_st_close !== false) && ($img_len !== false)) {
1824 $img_st_close++; // make it point to AFTER the closing bracket
1825 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1827 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1829 if (stristr($image, $site . '/photo/')) {
1830 // Only embed locally hosted photos
1832 $i = basename($image);
1833 $i = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $i);
1834 $x = strpos($i, '-');
1837 $res = substr($i, $x + 1);
1838 $i = substr($i, 0, $x);
1839 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1844 if (DBM::is_result($r)) {
1846 * Check to see if we should replace this photo link with an embedded image
1847 * 1. No need to do so if the photo is public
1848 * 2. If there's a contact-id provided, see if they're in the access list
1849 * for the photo. If so, embed it.
1850 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1851 * permissions, regardless of order but first check to see if they're an exact
1852 * match to save some processing overhead.
1854 if (has_permissions($r[0])) {
1856 $recips = enumerate_permissions($r[0]);
1857 if (in_array($cid, $recips)) {
1861 if (compare_permissions($item, $r[0])) {
1867 $data = $r[0]['data'];
1868 $type = $r[0]['type'];
1870 // If a custom width and height were specified, apply before embedding
1871 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1872 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1874 $width = intval($match[1]);
1875 $height = intval($match[2]);
1877 $Image = new Image($data, $type);
1878 if ($Image->isValid()) {
1879 $Image->scaleDown(max($width, $height));
1880 $data = $Image->asString();
1881 $type = $Image->getType();
1885 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1886 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1887 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1893 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1894 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1895 if ($orig_body === false) {
1899 $img_start = strpos($orig_body, '[img');
1900 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1901 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1904 $new_body = $new_body . $orig_body;
1909 /// @TODO type-hint is array
1910 function has_permissions($obj) {
1913 x($obj, 'allow_cid')
1915 x($obj, 'allow_gid')
1924 /// @TODO type-hint is array
1925 function compare_permissions($obj1, $obj2) {
1926 // first part is easy. Check that these are exactly the same.
1927 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1928 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1929 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1930 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1934 // This is harder. Parse all the permissions and compare the resulting set.
1935 $recipients1 = enumerate_permissions($obj1);
1936 $recipients2 = enumerate_permissions($obj2);
1940 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1941 return ($recipients1 == $recipients2);
1944 // returns an array of contact-ids that are allowed to see this object
1945 /// @TODO type-hint is array
1946 function enumerate_permissions($obj) {
1947 $allow_people = expand_acl($obj['allow_cid']);
1948 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
1949 $deny_people = expand_acl($obj['deny_cid']);
1950 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
1951 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1952 $deny = array_unique(array_merge($deny_people, $deny_groups));
1953 $recipients = array_diff($recipients, $deny);
1957 function item_getfeedtags($item) {
1960 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1962 for ($x = 0; $x < $cnt; $x ++) {
1963 if ($matches[1][$x]) {
1964 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1969 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1971 for ($x = 0; $x < $cnt; $x ++) {
1972 if ($matches[1][$x]) {
1973 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1980 function item_expire($uid, $days, $network = "", $force = false) {
1982 if ((! $uid) || ($days < 1)) {
1987 * $expire_network_only = save your own wall posts
1988 * and just expire conversations started by others
1990 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
1991 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
1993 if ($network != "") {
1994 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
1997 * There is an index "uid_network_received" but not "uid_network_created"
1998 * This avoids the creation of another index just for one purpose.
1999 * And it doesn't really matter wether to look at "received" or "created"
2001 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2003 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2006 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2007 WHERE `uid` = %d $range
2015 if (! DBM::is_result($r)) {
2019 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2021 // Forcing expiring of items - but not notes and marked items
2023 $expire_items = true;
2026 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2027 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2028 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2030 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2032 foreach ($r as $item) {
2034 // don't expire filed items
2036 if (strpos($item['file'],'[') !== false) {
2040 // Only expire posts, not photos and photo comments
2042 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2044 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2046 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2048 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2052 drop_item($item['id'], false);
2055 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2058 /// @TODO type-hint is array
2059 function drop_items($items) {
2062 if (! local_user() && ! remote_user()) {
2066 if (count($items)) {
2067 foreach ($items as $item) {
2068 $owner = drop_item($item,false);
2069 if ($owner && ! $uid)
2074 // multiple threads may have been deleted, send an expire notification
2077 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2082 function drop_item($id, $interactive = true) {
2086 // locate item to be deleted
2088 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2092 if (! DBM::is_result($r)) {
2093 if (! $interactive) {
2096 notice( t('Item not found.') . EOL);
2097 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2102 if ($item['deleted']) {
2106 $owner = $item['uid'];
2110 // check if logged in user is either the author or owner of this item
2112 if (is_array($_SESSION['remote'])) {
2113 foreach ($_SESSION['remote'] as $visitor) {
2114 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2115 $contact_id = $visitor['cid'];
2122 if ((local_user() == $item['uid']) || $contact_id || !$interactive) {
2124 // Check if we should do HTML-based delete confirmation
2125 if ($_REQUEST['confirm']) {
2126 // <form> can't take arguments in its "action" parameter
2127 // so add any arguments as hidden inputs
2128 $query = explode_querystring($a->query_string);
2130 foreach ($query['args'] as $arg) {
2131 if (strpos($arg, 'confirm=') === false) {
2132 $arg_parts = explode('=', $arg);
2133 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2137 return replace_macros(get_markup_template('confirm.tpl'), array(
2139 '$message' => t('Do you really want to delete this item?'),
2140 '$extra_inputs' => $inputs,
2141 '$confirm' => t('Yes'),
2142 '$confirm_url' => $query['base'],
2143 '$confirm_name' => 'confirmed',
2144 '$cancel' => t('Cancel'),
2147 // Now check how the user responded to the confirmation query
2148 if ($_REQUEST['canceled']) {
2149 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2152 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2155 dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2156 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2157 array('id' => $item['id']));
2159 create_tags_from_item($item['id']);
2160 create_files_from_item($item['id']);
2161 delete_thread($item['id'], $item['parent-uri']);
2163 // clean up categories and tags so they don't end up as orphans
2166 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2168 foreach ($matches as $mtch) {
2169 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2175 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2177 foreach ($matches as $mtch) {
2178 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2183 * If item is a link to a photo resource, nuke all the associated photos
2184 * (visitors will not have photo resources)
2185 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2186 * generate a resource-id and therefore aren't intimately linked to the item.
2188 if (strlen($item['resource-id'])) {
2189 dba::delete('photo', array('resource-id' => $item['resource-id'], 'uid' => $item['uid']));
2192 // If item is a link to an event, nuke the event record.
2193 if (intval($item['event-id'])) {
2194 dba::delete('event', array('id' => $item['event-id'], 'uid' => $item['uid']));
2197 // If item has attachments, drop them
2198 foreach (explode(", ", $item['attach']) as $attach) {
2199 preg_match("|attach/(\d+)|", $attach, $matches);
2200 dba::delete('attach', array('id' => $matches[1], 'uid' => $item['uid']));
2203 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2205 // Creating list of parents
2206 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2207 intval($item['id']),
2208 intval($item['uid'])
2213 foreach ($r as $row) {
2214 if ($parentid != "") {
2218 $parentid .= $row["id"];
2222 if ($parentid != "") {
2223 q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2226 // If it's the parent of a comment thread, kill all the kids
2227 if ($item['uri'] == $item['parent-uri']) {
2228 dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2229 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2230 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2232 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2233 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2234 delete_thread_uri($item['parent-uri'], $item['uid']);
2235 // ignore the result
2237 // ensure that last-child is set in case the comment that had it just got wiped.
2238 dba::update('item', array('last-child' => false, 'changed' => datetime_convert()),
2239 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2241 // who is the last child now?
2242 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2243 dbesc($item['parent-uri']),
2244 intval($item['uid'])
2246 if (DBM::is_result($r)) {
2247 dba::update('item', array('last-child' => true), array('id' => $r[0]['id']));
2251 // send the notification upstream/downstream
2252 // The priority depends on how the deletion is done.
2253 $drop_id = intval($item['id']);
2254 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2256 Worker::add(array('priority' => $priority, 'dont_fork' => true), "Notifier", "drop", $drop_id);
2258 if (! $interactive) {
2261 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2264 if (! $interactive) {
2267 notice( t('Permission denied.') . EOL);
2268 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2274 /// @todo: This query seems to be really slow
2275 function first_post_date($uid, $wall = false) {
2276 $r = q("SELECT `id`, `created` FROM `item`
2277 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2279 ORDER BY `created` ASC LIMIT 1",
2281 intval($wall ? 1 : 0)
2283 if (DBM::is_result($r)) {
2284 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2285 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2290 /* modified posted_dates() {below} to arrange the list in years */
2291 function list_post_dates($uid, $wall) {
2292 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2294 $dthen = first_post_date($uid, $wall);
2299 // Set the start and end date to the beginning of the month
2300 $dnow = substr($dnow, 0, 8) . '01';
2301 $dthen = substr($dthen, 0, 8) . '01';
2306 * Starting with the current month, get the first and last days of every
2307 * month down to and including the month of the first post
2309 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2310 $dyear = intval(substr($dnow, 0, 4));
2311 $dstart = substr($dnow, 0, 8) . '01';
2312 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2313 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2314 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2315 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2316 if (!$ret[$dyear]) {
2317 $ret[$dyear] = array();
2319 $ret[$dyear][] = array($str, $end_month, $start_month);
2320 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2325 function posted_dates($uid, $wall) {
2326 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2328 $dthen = first_post_date($uid, $wall);
2333 // Set the start and end date to the beginning of the month
2334 $dnow = substr($dnow, 0, 8) . '01';
2335 $dthen = substr($dthen, 0, 8) . '01';
2339 * Starting with the current month, get the first and last days of every
2340 * month down to and including the month of the first post
2342 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2343 $dstart = substr($dnow, 0, 8) . '01';
2344 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2345 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2346 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2347 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2348 $ret[] = array($str, $end_month, $start_month);
2349 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2355 function posted_date_widget($url, $uid, $wall) {
2358 if (! Feature::isEnabled($uid, 'archives')) {
2362 // For former Facebook folks that left because of "timeline"
2364 * @TODO old-lost code?
2365 if ($wall && intval(PConfig::get($uid, 'system', 'no_wall_archive_widget')))
2369 $visible_years = PConfig::get($uid,'system','archive_visible_years');
2370 if (! $visible_years) {
2374 $ret = list_post_dates($uid, $wall);
2376 if (! DBM::is_result($ret)) {
2380 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2381 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2383 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2384 '$title' => t('Archives'),
2385 '$size' => $visible_years,
2386 '$cutoff_year' => $cutoff_year,
2387 '$cutoff' => $cutoff,
2390 '$showmore' => t('show more')