4 * @file include/items.php
8 use Friendica\ParseUrl;
9 use Friendica\Core\Config;
10 use Friendica\Core\PConfig;
11 use Friendica\Core\Worker;
12 use Friendica\Core\System;
13 use Friendica\Database\DBM;
14 use Friendica\Model\GlobalContact;
15 use Friendica\Object\Contact;
16 use Friendica\Protocol\DFRN;
17 use Friendica\Protocol\OStatus;
18 use Friendica\Util\Lock;
20 require_once 'include/bbcode.php';
21 require_once 'include/oembed.php';
22 require_once 'include/salmon.php';
23 require_once 'include/crypto.php';
24 require_once 'include/Photo.php';
25 require_once 'include/tags.php';
26 require_once 'include/files.php';
27 require_once 'include/text.php';
28 require_once 'include/email.php';
29 require_once 'include/threads.php';
30 require_once 'include/plaintext.php';
31 require_once 'include/feed.php';
32 require_once 'include/Contact.php';
33 require_once 'mod/share.php';
34 require_once 'include/enotify.php';
35 require_once 'include/group.php';
37 function construct_verb($item) {
46 * The purpose of this function is to apply system message length limits to
47 * imported messages without including any embedded photos in the length
49 if (! function_exists('limit_body_size')) {
50 function limit_body_size($body) {
52 // logger('limit_body_size: start', LOGGER_DEBUG);
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);
67 $img_start = strpos($orig_body, '[img');
68 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
69 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
70 while (($img_st_close !== false) && ($img_end !== false)) {
72 $img_st_close++; // make it point to AFTER the closing bracket
73 $img_end += $img_start;
74 $img_end += strlen('[/img]');
76 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
77 // This is an embedded image
79 if (($textlen + $img_start) > $maxlen ) {
80 if ($textlen < $maxlen) {
81 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
82 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
86 $new_body = $new_body . substr($orig_body, 0, $img_start);
87 $textlen += $img_start;
90 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
93 if (($textlen + $img_end) > $maxlen ) {
94 if ($textlen < $maxlen) {
95 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
96 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
100 $new_body = $new_body . substr($orig_body, 0, $img_end);
101 $textlen += $img_end;
104 $orig_body = substr($orig_body, $img_end);
106 if ($orig_body === false) {
107 // in case the body ends on a closing image tag
111 $img_start = strpos($orig_body, '[img');
112 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
113 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
116 if (($textlen + strlen($orig_body)) > $maxlen) {
117 if ($textlen < $maxlen) {
118 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
119 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
123 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
124 $new_body = $new_body . $orig_body;
125 $textlen += strlen($orig_body);
134 function title_is_body($title, $body) {
136 $title = strip_tags($title);
137 $title = trim($title);
138 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
139 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
141 $body = strip_tags($body);
143 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
144 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
146 if (strlen($title) < strlen($body)) {
147 $body = substr($body, 0, strlen($title));
150 if (($title != $body) && (substr($title, -3) == "...")) {
151 $pos = strrpos($title, "...");
153 $title = substr($title, 0, $pos);
154 $body = substr($body, 0, $pos);
158 return ($title == $body);
161 function add_page_info_data($data) {
162 call_hooks('page_info_data', $data);
164 // It maybe is a rich content, but if it does have everything that a link has,
165 // then treat it that way
166 if (($data["type"] == "rich") && is_string($data["title"]) &&
167 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
168 $data["type"] = "link";
171 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
175 if ($no_photos && ($data["type"] == "photo")) {
179 if (sizeof($data["images"]) > 0) {
180 $preview = $data["images"][0];
185 // Escape some bad characters
186 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
187 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
189 $text = "[attachment type='".$data["type"]."'";
191 if ($data["text"] == "") {
192 $data["text"] = $data["title"];
195 if ($data["text"] == "") {
196 $data["text"] = $data["url"];
199 if ($data["url"] != "") {
200 $text .= " url='".$data["url"]."'";
203 if ($data["title"] != "") {
204 $text .= " title='".$data["title"]."'";
207 if (sizeof($data["images"]) > 0) {
208 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
209 // if the preview picture is larger than 500 pixels then show it in a larger mode
210 // But only, if the picture isn't higher than large (To prevent huge posts)
211 if (($data["images"][0]["width"] >= 500) && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
212 $text .= " image='".$preview."'";
214 $text .= " preview='".$preview."'";
218 $text .= "]".$data["text"]."[/attachment]";
221 if (isset($data["keywords"]) && count($data["keywords"])) {
223 foreach ($data["keywords"] AS $keyword) {
224 /// @todo make a positive list of allowed characters
225 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
226 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
227 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
231 return "\n".$text.$hashtags;
234 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
236 $data = ParseUrl::getSiteinfoCached($url, true);
239 $data["images"][0]["src"] = $photo;
242 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
244 if (!$keywords && isset($data["keywords"])) {
245 unset($data["keywords"]);
248 if (($keyword_blacklist != "") && isset($data["keywords"])) {
249 $list = explode(", ", $keyword_blacklist);
250 foreach ($list AS $keyword) {
251 $keyword = trim($keyword);
252 $index = array_search($keyword, $data["keywords"]);
253 if ($index !== false) {
254 unset($data["keywords"][$index]);
262 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
263 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
266 if (isset($data["keywords"]) && count($data["keywords"])) {
267 foreach ($data["keywords"] AS $keyword) {
268 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
269 array("", "", "", "", "", ""), $keyword);
275 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
282 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
283 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
285 $text = add_page_info_data($data);
290 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
292 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
294 $URLSearchString = "^\[\]";
296 // Fix for Mastodon where the mentions are in a different format
297 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
298 '$2[url=$1]$3[/url]', $body);
300 // Adding these spaces is a quick hack due to my problems with regular expressions :)
301 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
304 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
307 // Convert urls without bbcode elements
308 if (!$matches && $texturl) {
309 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
311 // Yeah, a hack. I really hate regular expressions :)
313 $matches[1] = $matches[2];
318 $footer = add_page_info($matches[1], $no_photos);
321 // Remove the link from the body if the link is attached at the end of the post
322 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
323 $removedlink = trim(str_replace($matches[1], "", $body));
324 if (($removedlink == "") || strstr($body, $removedlink)) {
325 $body = $removedlink;
328 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
329 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
330 if (($removedlink == "") || strstr($body, $removedlink)) {
331 $body = $removedlink;
335 // Add the page information to the bottom
336 if (isset($footer) && (trim($footer) != "")) {
344 * Adds a "lang" specification in a "postopts" element of given $arr,
345 * if possible and not already present.
346 * Expects "body" element to exist in $arr.
348 * @todo Add a parameter to request forcing override
350 function item_add_language_opt(&$arr) {
352 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
353 // LanguageDetect.php not available ?
357 if (x($arr, 'postopts') ) {
358 if (strstr($arr['postopts'], 'lang=') ) {
360 /// @TODO Add parameter to request overriding
363 $postopts = $arr['postopts'];
368 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
369 $l = new Text_LanguageDetect();
370 $lng = $l->detect($naked_body, 3);
372 if (sizeof($lng) > 0) {
373 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
374 $postopts .= 'lang=';
376 foreach ($lng as $language => $score) {
377 $postopts .= $sep . $language . ";" . $score;
380 $arr['postopts'] = $postopts;
385 * @brief Creates an unique guid out of a given uri
387 * @param string $uri uri of an item entry
388 * @param string $host (Optional) hostname for the GUID prefix
389 * @return string unique guid
391 function uri_to_guid($uri, $host = "") {
393 // Our regular guid routine is using this kind of prefix as well
394 // We have to avoid that different routines could accidentally create the same value
395 $parsed = parse_url($uri);
397 // When the hostname isn't given, we take it from the uri
399 // Is it in the format data@host.tld?
400 if ((count($parsed) == 1) && strstr($uri, '@')) {
401 $mailparts = explode('@', $uri);
402 $host = array_pop($mailparts);
404 $host = $parsed["host"];
408 // We use a hash of the hostname as prefix for the guid
409 $guid_prefix = hash("crc32", $host);
411 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
412 unset($parsed["scheme"]);
414 // Glue it together to be able to make a hash from it
415 $host_id = implode("/", $parsed);
417 // We could use any hash algorithm since it isn't a security issue
418 $host_hash = hash("ripemd128", $host_id);
420 return $guid_prefix.$host_hash;
424 * @brief Store the conversation data
426 * @param array $arr Item array with conversation data
427 * @return array Item array with removed conversation data
429 function store_conversation($arr) {
430 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
431 $conversation = array('item-uri' => $arr['uri'], 'received' => DBM::date());
433 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
434 $conversation['reply-to-uri'] = $arr['parent-uri'];
436 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
437 $conversation['reply-to-uri'] = $arr['thr-parent'];
440 if (isset($arr['conversation-uri'])) {
441 $conversation['conversation-uri'] = $arr['conversation-uri'];
444 if (isset($arr['conversation-href'])) {
445 $conversation['conversation-href'] = $arr['conversation-href'];
448 if (isset($arr['protocol'])) {
449 $conversation['protocol'] = $arr['protocol'];
452 if (isset($arr['source'])) {
453 $conversation['source'] = $arr['source'];
456 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
457 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
458 if (DBM::is_result($old_conv)) {
459 // Don't update when only the source has changed.
460 // Only do this when there had been no source before.
461 if ($old_conv['source'] != '') {
462 unset($old_conv['source']);
464 // Update structure data all the time but the source only when its from a better protocol.
465 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
466 unset($conversation['protocol']);
467 unset($conversation['source']);
469 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
470 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
473 if (!dba::insert('conversation', $conversation, true)) {
474 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
479 unset($arr['conversation-uri']);
480 unset($arr['conversation-href']);
481 unset($arr['protocol']);
482 unset($arr['source']);
487 /// @TODO add type-hint array
488 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
492 // If it is a posting where users should get notifications, then define it as wall posting
495 $arr['type'] = 'wall';
497 $arr['last-child'] = 1;
498 $arr['network'] = NETWORK_DFRN;
499 $arr['protocol'] = PROTOCOL_DFRN;
501 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
502 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
503 // This is done because our host is the original creator of the post.
504 if (!isset($arr['guid'])) {
505 if (isset($arr['plink'])) {
506 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
507 } elseif (isset($arr['uri'])) {
508 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
515 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
516 $arr['guid'] = uri_to_guid($arr['plink']);
517 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
518 $arr['guid'] = uri_to_guid($arr['uri']);
520 $parsed = parse_url($arr["author-link"]);
521 $guid_prefix = hash("crc32", $parsed["host"]);
524 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
525 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
527 // Store conversation data
528 $arr = store_conversation($arr);
531 * If a Diaspora signature structure was passed in, pull it out of the
532 * item array and set it aside for later storage.
536 if (x($arr, 'dsprsig')) {
537 $encoded_signature = $arr['dsprsig'];
538 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
539 unset($arr['dsprsig']);
542 // Converting the plink
543 /// @todo Check if this is really still needed
544 if ($arr['network'] == NETWORK_OSTATUS) {
545 if (isset($arr['plink'])) {
546 $arr['plink'] = OStatus::convertHref($arr['plink']);
547 } elseif (isset($arr['uri'])) {
548 $arr['plink'] = OStatus::convertHref($arr['uri']);
552 if (x($arr, 'gravity')) {
553 $arr['gravity'] = intval($arr['gravity']);
554 } elseif ($arr['parent-uri'] === $arr['uri']) {
556 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
559 $arr['gravity'] = 6; // extensible catchall
562 if (! x($arr, 'type')) {
563 $arr['type'] = 'remote';
566 $uid = intval($arr['uid']);
568 // check for create date and expire time
569 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
571 $r = dba::select('user', array('expire'), array('uid' => $uid), array("limit" => 1));
572 if (DBM::is_result($r) && ($r['expire'] > 0) && (($r['expire'] < $expire_interval) || ($expire_interval == 0))) {
573 $expire_interval = $r['expire'];
576 if (($expire_interval > 0) && !empty($arr['created'])) {
577 $expire_date = time() - ($expire_interval * 86400);
578 $created_date = strtotime($arr['created']);
579 if ($created_date < $expire_date) {
580 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
586 * Do we already have this item?
587 * We have to check several networks since Friendica posts could be repeated
588 * via OStatus (maybe Diasporsa as well)
590 if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
591 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
592 dbesc(trim($arr['uri'])),
594 dbesc(NETWORK_DIASPORA),
596 dbesc(NETWORK_OSTATUS)
598 if (DBM::is_result($r)) {
599 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
601 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
608 /// @TODO old-lost code?
609 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
610 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
611 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
612 // $arr['body'] = strip_tags($arr['body']);
614 item_add_language_opt($arr);
616 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
617 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
618 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
619 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
620 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
621 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
622 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
623 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
624 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
625 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
626 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
627 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
628 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
629 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
630 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
631 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
632 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
633 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
635 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
636 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
637 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
638 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
639 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
640 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
641 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
642 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
643 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
644 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
645 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
646 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
647 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
648 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
649 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
650 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
651 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
652 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
653 $arr['network'] = ((x($arr, 'network')) ? trim($arr['network']) : '');
654 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
655 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
656 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
657 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
658 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
660 // When there is no content then we don't post it
661 if ($arr['body'].$arr['title'] == '') {
665 // Items cannot be stored before they happen ...
666 if ($arr['created'] > datetime_convert()) {
667 $arr['created'] = datetime_convert();
670 // We haven't invented time travel by now.
671 if ($arr['edited'] > datetime_convert()) {
672 $arr['edited'] = datetime_convert();
675 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
676 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
679 if ($arr['plink'] == "") {
680 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
683 if ($arr['network'] == "") {
684 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
685 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
686 dbesc(normalise_link($arr['author-link'])),
690 if (!DBM::is_result($r))
691 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
692 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
693 dbesc(normalise_link($arr['author-link']))
696 if (!DBM::is_result($r)) {
697 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
698 intval($arr['contact-id']),
703 if (DBM::is_result($r)) {
704 $arr['network'] = $r[0]["network"];
707 // Fallback to friendica (why is it empty in some cases?)
708 if ($arr['network'] == "") {
709 $arr['network'] = NETWORK_DFRN;
712 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
715 // The contact-id should be set before "item_store" was called - but there seems to be some issues
716 if ($arr["contact-id"] == 0) {
718 * First we are looking for a suitable contact that matches with the author of the post
719 * This is done only for comments (See below explanation at "gcontact-id")
721 if ($arr['parent-uri'] != $arr['uri']) {
722 $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
725 // If not present then maybe the owner was found
726 if ($arr["contact-id"] == 0) {
727 $arr["contact-id"] = Contact::getIdForURL($arr['owner-link'], $uid);
730 // Still missing? Then use the "self" contact of the current user
731 if ($arr["contact-id"] == 0) {
732 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
734 if (DBM::is_result($r)) {
735 $arr["contact-id"] = $r[0]["id"];
739 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
742 if ($arr["gcontact-id"] == 0) {
744 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
745 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
746 * On comments the author is the better choice.
748 if ($arr['parent-uri'] === $arr['uri']) {
749 $arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['owner-link'], "network" => $arr['network'],
750 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
752 $arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['author-link'], "network" => $arr['network'],
753 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
757 if ($arr["author-id"] == 0) {
758 $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
761 if (Contact::isBlocked($arr["author-id"])) {
762 logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
766 if ($arr["owner-id"] == 0) {
767 $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
770 if (Contact::isBlocked($arr["owner-id"])) {
771 logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
775 if ($arr['guid'] != "") {
776 // Checking if there is already an item with the same guid
777 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
778 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
779 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
781 if (DBM::is_result($r)) {
782 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
787 // Check for hashtags in the body and repair or add hashtag links
788 item_body_set_hashtags($arr);
790 $arr['thr-parent'] = $arr['parent-uri'];
792 if ($arr['parent-uri'] === $arr['uri']) {
795 $allow_cid = $arr['allow_cid'];
796 $allow_gid = $arr['allow_gid'];
797 $deny_cid = $arr['deny_cid'];
798 $deny_gid = $arr['deny_gid'];
799 $notify_type = 'wall-new';
802 // find the parent and snarf the item id and ACLs
803 // and anything else we need to inherit
805 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
806 dbesc($arr['parent-uri']),
810 if (DBM::is_result($r)) {
812 // is the new message multi-level threaded?
813 // even though we don't support it now, preserve the info
814 // and re-attach to the conversation parent.
816 if ($r[0]['uri'] != $r[0]['parent-uri']) {
817 $arr['parent-uri'] = $r[0]['parent-uri'];
818 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
819 ORDER BY `id` ASC LIMIT 1",
820 dbesc($r[0]['parent-uri']),
821 dbesc($r[0]['parent-uri']),
825 if (DBM::is_result($z)) {
830 $parent_id = $r[0]['id'];
831 $parent_deleted = $r[0]['deleted'];
832 $allow_cid = $r[0]['allow_cid'];
833 $allow_gid = $r[0]['allow_gid'];
834 $deny_cid = $r[0]['deny_cid'];
835 $deny_gid = $r[0]['deny_gid'];
836 $arr['wall'] = $r[0]['wall'];
837 $notify_type = 'comment-new';
840 * If the parent is private, force privacy for the entire conversation
841 * This differs from the above settings as it subtly allows comments from
842 * email correspondents to be private even if the overall thread is not.
844 if ($r[0]['private']) {
845 $arr['private'] = $r[0]['private'];
849 * Edge case. We host a public forum that was originally posted to privately.
850 * The original author commented, but as this is a comment, the permissions
851 * weren't fixed up so it will still show the comment as private unless we fix it here.
853 if ((intval($r[0]['forum_mode']) == 1) && $r[0]['private']) {
857 // If its a post from myself then tag the thread as "mention"
858 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
859 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
860 if (DBM::is_result($u)) {
862 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
863 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
864 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
865 dba::update('thread', array('mention' => true), array('iid' => $parent_id));
866 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
871 * Allow one to see reply tweets from status.net even when
872 * we don't have or can't see the original post.
875 logger('item_store: $force_parent=true, reply converted to top-level post.');
877 $arr['parent-uri'] = $arr['uri'];
880 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
888 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
890 dbesc($arr['network']),
894 if (DBM::is_result($r)) {
895 logger('duplicated item with the same uri found. '.print_r($arr,true));
899 // On Friendica and Diaspora the GUID is unique
900 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
901 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
905 if (DBM::is_result($r)) {
906 logger('duplicated item with the same guid found. '.print_r($arr,true));
910 // Check for an existing post with the same content. There seems to be a problem with OStatus.
911 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
913 dbesc($arr['network']),
914 dbesc($arr['created']),
915 intval($arr['contact-id']),
918 if (DBM::is_result($r)) {
919 logger('duplicated item with the same body found. '.print_r($arr,true));
924 // Is this item available in the global items (with uid=0)?
925 if ($arr["uid"] == 0) {
926 $arr["global"] = true;
928 // Set the global flag on all items if this was a global item entry
929 dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
931 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
933 $arr["global"] = (DBM::is_result($isglobal) && count($isglobal) > 0);
937 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
940 $private = $arr['private'];
943 $arr["allow_cid"] = $allow_cid;
944 $arr["allow_gid"] = $allow_gid;
945 $arr["deny_cid"] = $deny_cid;
946 $arr["deny_gid"] = $deny_gid;
947 $arr["private"] = $private;
948 $arr["deleted"] = $parent_deleted;
950 // Fill the cache field
951 put_item_in_cache($arr);
954 call_hooks('post_local', $arr);
956 call_hooks('post_remote', $arr);
959 // This array field is used to trigger some automatic reactions
960 // It is mainly used in the "post_local" hook.
961 unset($arr['api_source']);
963 if (x($arr, 'cancel')) {
964 logger('item_store: post cancelled by plugin.');
969 * Check for already added items.
970 * There is a timing issue here that sometimes creates double postings.
971 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
973 if ($arr["uid"] == 0) {
974 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
975 if (DBM::is_result($r)) {
976 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
981 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
984 $r = dba::insert('item', $arr);
986 // When the item was successfully stored we fetch the ID of the item.
987 if (DBM::is_result($r)) {
988 $current_post = dba::lastInsertId();
990 // This can happen - for example - if there are locking timeouts.
993 // Store the data into a spool file so that we can try again later.
995 // At first we restore the Diaspora signature that we removed above.
996 if (isset($encoded_signature)) {
997 $arr['dsprsig'] = $encoded_signature;
1000 // Now we store the data in the spool directory
1001 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1002 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1004 $spoolpath = get_spoolpath();
1005 if ($spoolpath != "") {
1006 $spool = $spoolpath.'/'.$file;
1007 file_put_contents($spool, json_encode($arr));
1008 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1013 if ($current_post == 0) {
1014 // This is one of these error messages that never should occur.
1015 logger("couldn't find created item - we better quit now.");
1020 // How much entries have we created?
1021 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1022 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1024 intval($arr['uid']),
1025 dbesc($arr['network'])
1028 if (!DBM::is_result($r)) {
1029 // This shouldn't happen, since COUNT always works when the database connection is there.
1030 logger("We couldn't count the stored entries. Very strange ...");
1035 if ($r[0]["entries"] > 1) {
1036 // There are duplicates. We delete our just created entry.
1037 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1039 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1040 dba::delete('item', array('id' => $current_post));
1043 } elseif ($r[0]["entries"] == 0) {
1044 // This really should never happen since we quit earlier if there were problems.
1045 logger("Something is terribly wrong. We haven't found our created entry.");
1050 logger('item_store: created item '.$current_post);
1051 item_set_last_item($arr);
1053 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1054 $parent_id = $current_post;
1058 $r = dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
1060 $arr['id'] = $current_post;
1061 $arr['parent'] = $parent_id;
1063 // update the commented timestamp on the parent
1064 // Only update "commented" if it is really a comment
1065 if (($arr['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1066 dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
1068 dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
1074 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1075 * We can check for this condition when we decode and encode the stuff again.
1077 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1078 $dsprsig->signature = base64_decode($dsprsig->signature);
1079 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1082 dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1083 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
1086 $deleted = tag_deliver($arr['uid'], $current_post);
1089 * current post can be deleted if is for a community page and no mention are
1092 if (!$deleted && !$dontcache) {
1094 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1095 if ((DBM::is_result($r)) && (count($r) == 1)) {
1097 call_hooks('post_local_end', $r[0]);
1099 call_hooks('post_remote_end', $r[0]);
1102 logger('item_store: new item not found in DB, id ' . $current_post);
1106 if ($arr['parent-uri'] === $arr['uri']) {
1107 add_thread($current_post);
1109 update_thread($parent_id);
1115 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1116 * This is not perfect - but a workable solution until we found the reason for the problem.
1118 create_tags_from_item($current_post);
1119 create_files_from_item($current_post);
1122 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1123 * It is done after the transaction to avoid dead locks.
1125 if ($arr['last-child']) {
1126 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1128 intval($arr['uid']),
1129 intval($current_post)
1133 if ($arr['parent-uri'] === $arr['uri']) {
1134 add_shadow_thread($current_post);
1136 add_shadow_entry($current_post);
1139 check_item_notification($current_post, $uid);
1142 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "Notifier", $notify_type, $current_post);
1145 return $current_post;
1149 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1151 * This can be used to filter for inactive contacts.
1152 * Only do this for public postings to avoid privacy problems, since poco data is public.
1153 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1155 * @param array $arr Contains the just posted item record
1157 function item_set_last_item($arr) {
1159 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1161 // Is it a forum? Then we don't care about the rules from above
1162 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1163 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1164 intval($arr['contact-id']));
1165 if (DBM::is_result($isforum)) {
1171 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1172 array('id' => $arr['contact-id']));
1174 // Now do the same for the system wide contacts with uid=0
1175 if (!$arr['private']) {
1176 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1177 array('id' => $arr['owner-id']));
1179 if ($arr['owner-id'] != $arr['author-id']) {
1180 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1181 array('id' => $arr['author-id']));
1186 function item_body_set_hashtags(&$item) {
1188 $tags = get_tags($item["body"]);
1191 if (!count($tags)) {
1195 // This sorting is important when there are hashtags that are part of other hashtags
1196 // Otherwise there could be problems with hashtags like #test and #test2
1201 $URLSearchString = "^\[\]";
1203 // All hashtags should point to the home server if "local_tags" is activated
1204 if (Config::get('system', 'local_tags')) {
1205 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1206 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1208 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1209 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1212 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1213 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1215 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1218 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1220 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1223 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1225 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1228 // Repair recursive urls
1229 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1230 "#$2", $item["body"]);
1232 foreach ($tags as $tag) {
1233 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1237 $basetag = str_replace('_',' ',substr($tag,1));
1239 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1241 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1243 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1244 if (strlen($item["tag"])) {
1245 $item["tag"] = ','.$item["tag"];
1247 $item["tag"] = $newtag.$item["tag"];
1251 // Convert back the masked hashtags
1252 $item["body"] = str_replace("#", "#", $item["body"]);
1255 function get_item_guid($id) {
1256 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1257 if (DBM::is_result($r)) {
1258 return $r[0]["guid"];
1260 /// @TODO This else-block can be elimited again
1265 function get_item_id($guid, $uid = 0) {
1271 $uid == local_user();
1274 // Does the given user have this item?
1276 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1277 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1278 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1279 if (DBM::is_result($r)) {
1281 $nick = $r[0]["nickname"];
1285 // Or is it anywhere on the server?
1287 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1288 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1289 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1290 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1291 AND `item`.`private` = 0 AND `item`.`wall` = 1
1292 AND `item`.`guid` = '%s'", dbesc($guid));
1293 if (DBM::is_result($r)) {
1295 $nick = $r[0]["nickname"];
1298 return array("nick" => $nick, "id" => $id);
1302 function get_item_contact($item, $contacts) {
1303 if (! count($contacts) || (! is_array($item))) {
1306 foreach ($contacts as $contact) {
1307 if ($contact['id'] == $item['contact-id']) {
1309 break; // NOTREACHED
1316 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1318 * @param int $item_id
1319 * @return bool true if item was deleted, else false
1321 function tag_deliver($uid, $item_id) {
1327 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1331 if (! DBM::is_result($u)) {
1335 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1336 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1339 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1343 if (! DBM::is_result($i)) {
1349 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1352 * Diaspora uses their own hardwired link URL in @-tags
1353 * instead of the one we supply with webfinger
1355 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1357 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1359 foreach ($matches as $mtch) {
1360 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1362 logger('tag_deliver: mention found: ' . $mtch[2]);
1368 if (($community_page || $prvgroup) &&
1369 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1370 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1372 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1373 dba::delete('item', array('id' => $item_id));
1379 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1381 call_hooks('tagged', $arr);
1383 if ((! $community_page) && (! $prvgroup)) {
1388 * tgroup delivery - setup a second delivery chain
1389 * prevent delivery looping - only proceed
1390 * if the message originated elsewhere and is a top-level post
1392 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1396 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1397 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1398 intval($u[0]['uid'])
1400 if (! DBM::is_result($c)) {
1404 // also reset all the privacy bits to the forum default permissions
1406 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1408 $forum_mode = (($prvgroup) ? 2 : 1);
1410 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1411 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1412 intval($forum_mode),
1413 dbesc($c[0]['name']),
1414 dbesc($c[0]['url']),
1415 dbesc($c[0]['thumb']),
1417 dbesc($u[0]['allow_cid']),
1418 dbesc($u[0]['allow_gid']),
1419 dbesc($u[0]['deny_cid']),
1420 dbesc($u[0]['deny_gid']),
1423 update_thread($item_id);
1425 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'Notifier', 'tgroup', $item_id);
1431 function tgroup_check($uid, $item) {
1435 // check that the message originated elsewhere and is a top-level post
1437 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1441 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1442 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1445 if (! DBM::is_result($u)) {
1449 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1450 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1452 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1455 * Diaspora uses their own hardwired link URL in @-tags
1456 * instead of the one we supply with webfinger
1458 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1460 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1462 foreach ($matches as $mtch) {
1463 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1465 logger('tgroup_check: mention found: ' . $mtch[2]);
1474 /// @TODO Combine both return statements into one
1475 return (($community_page) || ($prvgroup));
1479 * This function returns true if $update has an edited timestamp newer
1480 * than $existing, i.e. $update contains new data which should override
1481 * what's already there. If there is no timestamp yet, the update is
1482 * assumed to be newer. If the update has no timestamp, the existing
1483 * item is assumed to be up-to-date. If the timestamps are equal it
1484 * assumes the update has been seen before and should be ignored.
1486 * @todo fix type-hints (both array)
1488 function edited_timestamp_is_newer($existing, $update) {
1489 if (!x($existing, 'edited') || !$existing['edited']) {
1492 if (!x($update, 'edited') || !$update['edited']) {
1496 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1497 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1498 return (strcmp($existing_edited, $update_edited) < 0);
1503 * consume_feed - process atom feed and update anything/everything we might need to update
1505 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1507 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1508 * It is this person's stuff that is going to be updated.
1509 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1510 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1511 * have a contact record.
1512 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1513 * might not) try and subscribe to it.
1514 * $datedir sorts in reverse order
1515 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1516 * imported prior to its children being seen in the stream unless we are certain
1517 * of how the feed is arranged/ordered.
1518 * With $pass = 1, we only pull parent items out of the stream.
1519 * With $pass = 2, we only pull children (comments/likes).
1521 * So running this twice, first with pass 1 and then with pass 2 will do the right
1522 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1523 * model where comments can have sub-threads. That would require some massive sorting
1524 * to get all the feed items into a mostly linear ordering, and might still require
1527 * @todo find proper type-hints
1529 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1530 if ($contact['network'] === NETWORK_OSTATUS) {
1532 // Test - remove before flight
1533 //$tempfile = tempnam(get_temppath(), "ostatus2");
1534 //file_put_contents($tempfile, $xml);
1535 logger("Consume OStatus messages ", LOGGER_DEBUG);
1536 OStatus::import($xml, $importer, $contact, $hub);
1541 if ($contact['network'] === NETWORK_FEED) {
1543 logger("Consume feeds", LOGGER_DEBUG);
1544 feed_import($xml, $importer, $contact, $hub);
1549 if ($contact['network'] === NETWORK_DFRN) {
1550 logger("Consume DFRN messages", LOGGER_DEBUG);
1552 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1553 `contact`.`pubkey` AS `cpubkey`,
1554 `contact`.`prvkey` AS `cprvkey`,
1555 `contact`.`thumb` AS `thumb`,
1556 `contact`.`url` as `url`,
1557 `contact`.`name` as `senderName`,
1560 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1561 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1562 dbesc($contact["id"]), dbesc($importer["uid"])
1564 if (DBM::is_result($r)) {
1565 logger("Now import the DFRN feed");
1566 DFRN::import($xml, $r[0], true);
1572 /// @TODO type-hint is array
1573 function item_is_remote_self($contact, &$datarray) {
1576 if (!$contact['remote_self']) {
1580 // Prevent the forwarding of posts that are forwarded
1581 if ($datarray["extid"] == NETWORK_DFRN) {
1585 // Prevent to forward already forwarded posts
1586 if ($datarray["app"] == $a->get_hostname()) {
1590 // Only forward posts
1591 if ($datarray["verb"] != ACTIVITY_POST) {
1595 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1599 $datarray2 = $datarray;
1600 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1601 if ($contact['remote_self'] == 2) {
1602 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1603 intval($contact['uid']));
1604 if (DBM::is_result($r)) {
1605 $datarray['contact-id'] = $r[0]["id"];
1607 $datarray['owner-name'] = $r[0]["name"];
1608 $datarray['owner-link'] = $r[0]["url"];
1609 $datarray['owner-avatar'] = $r[0]["thumb"];
1611 $datarray['author-name'] = $datarray['owner-name'];
1612 $datarray['author-link'] = $datarray['owner-link'];
1613 $datarray['author-avatar'] = $datarray['owner-avatar'];
1615 unset($datarray['created']);
1616 unset($datarray['edited']);
1619 if ($contact['network'] != NETWORK_FEED) {
1620 $datarray["guid"] = get_guid(32);
1621 unset($datarray["plink"]);
1622 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1623 $datarray["parent-uri"] = $datarray["uri"];
1624 $datarray["extid"] = $contact['network'];
1625 $urlpart = parse_url($datarray2['author-link']);
1626 $datarray["app"] = $urlpart["host"];
1628 $datarray['private'] = 0;
1632 if ($contact['network'] != NETWORK_FEED) {
1633 // Store the original post
1634 $r = item_store($datarray2, false, false);
1635 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1637 $datarray["app"] = "Feed";
1640 // Trigger automatic reactions for addons
1641 $datarray['api_source'] = true;
1643 // We have to tell the hooks who we are - this really should be improved
1644 $_SESSION["authenticated"] = true;
1645 $_SESSION["uid"] = $contact['uid'];
1650 /// @TODO find proper type-hints
1651 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1652 $url = notags(trim($datarray['author-link']));
1653 $name = notags(trim($datarray['author-name']));
1654 $photo = notags(trim($datarray['author-avatar']));
1656 if (is_object($item)) {
1657 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1658 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1659 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1665 if (is_array($contact)) {
1666 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1667 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1668 $r = dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
1669 array('id' => $contact['id'], 'uid' => $importer['uid']));
1671 // send email notification to owner?
1674 // create contact record
1676 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1677 `blocked`, `readonly`, `pending`, `writable`)
1678 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1679 intval($importer['uid']),
1680 dbesc(datetime_convert()),
1682 dbesc(normalise_link($url)),
1686 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1687 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1689 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1690 intval($importer['uid']),
1693 if (DBM::is_result($r)) {
1694 $contact_record = $r[0];
1695 update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
1698 /// @TODO Encapsulate this into a function/method
1699 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1700 intval($importer['uid'])
1703 if (DBM::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1705 // create notification
1706 $hash = random_string();
1708 if (is_array($contact_record)) {
1709 dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
1710 'blocked' => false, 'knowyou' => false,
1711 'hash' => $hash, 'datetime' => datetime_convert()));
1714 $def_gid = get_default_group($importer['uid'], $contact_record["network"]);
1716 if (intval($def_gid)) {
1717 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
1720 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1721 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1724 'type' => NOTIFY_INTRO,
1725 'notify_flags' => $r[0]['notify-flags'],
1726 'language' => $r[0]['language'],
1727 'to_name' => $r[0]['username'],
1728 'to_email' => $r[0]['email'],
1729 'uid' => $r[0]['uid'],
1730 'link' => System::baseUrl() . '/notifications/intro',
1731 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1732 'source_link' => $contact_record['url'],
1733 'source_photo' => $contact_record['photo'],
1734 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1739 } elseif (DBM::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1740 $r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1741 intval($importer['uid']),
1749 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1751 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1752 dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
1754 Contact::remove($contact['id']);
1758 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1760 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1761 dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
1763 Contact::remove($contact['id']);
1767 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1771 if (is_array($importer)) {
1772 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1773 intval($importer['uid'])
1778 * Diaspora has different message-ids in feeds than they do
1779 * through the direct Diaspora protocol. If we try and use
1780 * the feed, we'll get duplicates. So don't.
1782 if ((! DBM::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1786 $push_url = Config::get('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1788 // Use a single verify token, even if multiple hubs
1789 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1791 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1793 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1795 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1796 $r = dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
1799 post_url($url, $params);
1801 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1807 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1809 if (Config::get('system','disable_embedded')) {
1815 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1816 $site = substr(System::baseUrl(),strpos(System::baseUrl(),'://'));
1821 $img_start = strpos($orig_body, '[img');
1822 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1823 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1824 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1826 $img_st_close++; // make it point to AFTER the closing bracket
1827 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1829 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1832 if (stristr($image , $site . '/photo/')) {
1833 // Only embed locally hosted photos
1835 $i = basename($image);
1836 $i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
1837 $x = strpos($i, '-');
1840 $res = substr($i, $x + 1);
1841 $i = substr($i, 0, $x);
1842 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1848 if (DBM::is_result($r)) {
1850 * Check to see if we should replace this photo link with an embedded image
1851 * 1. No need to do so if the photo is public
1852 * 2. If there's a contact-id provided, see if they're in the access list
1853 * for the photo. If so, embed it.
1854 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1855 * permissions, regardless of order but first check to see if they're an exact
1856 * match to save some processing overhead.
1858 if (has_permissions($r[0])) {
1860 $recips = enumerate_permissions($r[0]);
1861 if (in_array($cid, $recips)) {
1865 if (compare_permissions($item, $r[0])) {
1871 $data = $r[0]['data'];
1872 $type = $r[0]['type'];
1874 // If a custom width and height were specified, apply before embedding
1875 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1876 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1878 $width = intval($match[1]);
1879 $height = intval($match[2]);
1881 $ph = new Photo($data, $type);
1882 if ($ph->is_valid()) {
1883 $ph->scaleImage(max($width, $height));
1884 $data = $ph->imageString();
1885 $type = $ph->getType();
1889 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1890 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1891 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1897 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1898 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1899 if ($orig_body === false) {
1903 $img_start = strpos($orig_body, '[img');
1904 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1905 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1908 $new_body = $new_body . $orig_body;
1913 /// @TODO type-hint is array
1914 function has_permissions($obj) {
1917 x($obj, 'allow_cid')
1919 x($obj, 'allow_gid')
1928 /// @TODO type-hint is array
1929 function compare_permissions($obj1, $obj2) {
1930 // first part is easy. Check that these are exactly the same.
1931 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1932 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1933 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1934 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1938 // This is harder. Parse all the permissions and compare the resulting set.
1939 $recipients1 = enumerate_permissions($obj1);
1940 $recipients2 = enumerate_permissions($obj2);
1944 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1945 return ($recipients1 == $recipients2);
1948 // returns an array of contact-ids that are allowed to see this object
1949 /// @TODO type-hint is array
1950 function enumerate_permissions($obj) {
1951 $allow_people = expand_acl($obj['allow_cid']);
1952 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1953 $deny_people = expand_acl($obj['deny_cid']);
1954 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1955 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1956 $deny = array_unique(array_merge($deny_people, $deny_groups));
1957 $recipients = array_diff($recipients, $deny);
1961 function item_getfeedtags($item) {
1964 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1966 for ($x = 0; $x < $cnt; $x ++) {
1967 if ($matches[1][$x]) {
1968 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1973 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1975 for ($x = 0; $x < $cnt; $x ++) {
1976 if ($matches[1][$x]) {
1977 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1984 function item_expire($uid, $days, $network = "", $force = false) {
1986 if ((! $uid) || ($days < 1)) {
1991 * $expire_network_only = save your own wall posts
1992 * and just expire conversations started by others
1994 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
1995 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
1997 if ($network != "") {
1998 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2001 * There is an index "uid_network_received" but not "uid_network_created"
2002 * This avoids the creation of another index just for one purpose.
2003 * And it doesn't really matter wether to look at "received" or "created"
2005 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2007 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2010 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2011 WHERE `uid` = %d $range
2019 if (! DBM::is_result($r)) {
2023 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2025 // Forcing expiring of items - but not notes and marked items
2027 $expire_items = true;
2030 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2031 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2032 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2034 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2036 foreach ($r as $item) {
2038 // don't expire filed items
2040 if (strpos($item['file'],'[') !== false) {
2044 // Only expire posts, not photos and photo comments
2046 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2048 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2050 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2052 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2056 drop_item($item['id'], false);
2059 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2062 /// @TODO type-hint is array
2063 function drop_items($items) {
2066 if (! local_user() && ! remote_user()) {
2070 if (count($items)) {
2071 foreach ($items as $item) {
2072 $owner = drop_item($item,false);
2073 if ($owner && ! $uid)
2078 // multiple threads may have been deleted, send an expire notification
2081 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2086 function drop_item($id, $interactive = true) {
2090 // locate item to be deleted
2092 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2096 if (! DBM::is_result($r)) {
2097 if (! $interactive) {
2100 notice( t('Item not found.') . EOL);
2101 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2106 if ($item['deleted']) {
2110 $owner = $item['uid'];
2114 // check if logged in user is either the author or owner of this item
2116 if (is_array($_SESSION['remote'])) {
2117 foreach ($_SESSION['remote'] as $visitor) {
2118 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2119 $contact_id = $visitor['cid'];
2126 if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
2128 // Check if we should do HTML-based delete confirmation
2129 if ($_REQUEST['confirm']) {
2130 // <form> can't take arguments in its "action" parameter
2131 // so add any arguments as hidden inputs
2132 $query = explode_querystring($a->query_string);
2134 foreach ($query['args'] as $arg) {
2135 if (strpos($arg, 'confirm=') === false) {
2136 $arg_parts = explode('=', $arg);
2137 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2141 return replace_macros(get_markup_template('confirm.tpl'), array(
2143 '$message' => t('Do you really want to delete this item?'),
2144 '$extra_inputs' => $inputs,
2145 '$confirm' => t('Yes'),
2146 '$confirm_url' => $query['base'],
2147 '$confirm_name' => 'confirmed',
2148 '$cancel' => t('Cancel'),
2151 // Now check how the user responded to the confirmation query
2152 if ($_REQUEST['canceled']) {
2153 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2156 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2159 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2160 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2161 array('id' => $item['id']));
2163 create_tags_from_item($item['id']);
2164 create_files_from_item($item['id']);
2165 delete_thread($item['id'], $item['parent-uri']);
2167 // clean up categories and tags so they don't end up as orphans
2170 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2172 foreach ($matches as $mtch) {
2173 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2179 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2181 foreach ($matches as $mtch) {
2182 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2187 * If item is a link to a photo resource, nuke all the associated photos
2188 * (visitors will not have photo resources)
2189 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2190 * generate a resource-id and therefore aren't intimately linked to the item.
2192 if (strlen($item['resource-id'])) {
2193 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
2194 dbesc($item['resource-id']),
2195 intval($item['uid'])
2197 // ignore the result
2200 // If item is a link to an event, nuke the event record.
2201 if (intval($item['event-id'])) {
2202 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
2203 intval($item['event-id']),
2204 intval($item['uid'])
2206 // ignore the result
2209 // If item has attachments, drop them
2210 foreach (explode(", ", $item['attach']) as $attach) {
2211 preg_match("|attach/(\d+)|", $attach, $matches);
2212 q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
2213 intval($matches[1]),
2216 // ignore the result
2219 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2221 // Creating list of parents
2222 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2223 intval($item['id']),
2224 intval($item['uid'])
2229 foreach ($r as $row) {
2230 if ($parentid != "") {
2234 $parentid .= $row["id"];
2238 if ($parentid != "") {
2239 $r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
2240 $r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2243 // If it's the parent of a comment thread, kill all the kids
2244 if ($item['uri'] == $item['parent-uri']) {
2245 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2246 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2247 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2249 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2250 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2251 delete_thread_uri($item['parent-uri'], $item['uid']);
2252 // ignore the result
2254 // ensure that last-child is set in case the comment that had it just got wiped.
2255 dba::update('item', array('last-child' => false, 'changed' => datetime_convert()),
2256 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2258 // who is the last child now?
2259 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2260 dbesc($item['parent-uri']),
2261 intval($item['uid'])
2263 if (DBM::is_result($r)) {
2264 dba::update('item', array('last-child' => true), array('id' => $r[0]['id']));
2268 // send the notification upstream/downstream
2269 // The priority depends on how the deletion is done.
2270 $drop_id = intval($item['id']);
2271 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2273 Worker::add(array('priority' => $priority, 'dont_fork' => true), "Notifier", "drop", $drop_id);
2275 if (! $interactive) {
2278 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2281 if (! $interactive) {
2284 notice( t('Permission denied.') . EOL);
2285 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2291 /// @todo: This query seems to be really slow
2292 function first_post_date($uid, $wall = false) {
2293 $r = q("SELECT `id`, `created` FROM `item`
2294 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2296 ORDER BY `created` ASC LIMIT 1",
2298 intval($wall ? 1 : 0)
2300 if (DBM::is_result($r)) {
2301 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2302 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2307 /* modified posted_dates() {below} to arrange the list in years */
2308 function list_post_dates($uid, $wall) {
2309 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2311 $dthen = first_post_date($uid, $wall);
2316 // Set the start and end date to the beginning of the month
2317 $dnow = substr($dnow, 0, 8) . '01';
2318 $dthen = substr($dthen, 0, 8) . '01';
2323 * Starting with the current month, get the first and last days of every
2324 * month down to and including the month of the first post
2326 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2327 $dyear = intval(substr($dnow, 0, 4));
2328 $dstart = substr($dnow, 0, 8) . '01';
2329 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2330 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2331 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2332 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2333 if (!$ret[$dyear]) {
2334 $ret[$dyear] = array();
2336 $ret[$dyear][] = array($str, $end_month, $start_month);
2337 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2342 function posted_dates($uid, $wall) {
2343 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2345 $dthen = first_post_date($uid, $wall);
2350 // Set the start and end date to the beginning of the month
2351 $dnow = substr($dnow, 0, 8) . '01';
2352 $dthen = substr($dthen, 0, 8) . '01';
2356 * Starting with the current month, get the first and last days of every
2357 * month down to and including the month of the first post
2359 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2360 $dstart = substr($dnow, 0, 8) . '01';
2361 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2362 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2363 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2364 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2365 $ret[] = array($str, $end_month, $start_month);
2366 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2372 function posted_date_widget($url, $uid, $wall) {
2375 if (! feature_enabled($uid, 'archives')) {
2379 // For former Facebook folks that left because of "timeline"
2381 * @TODO old-lost code?
2382 if ($wall && intval(PConfig::get($uid, 'system', 'no_wall_archive_widget')))
2386 $visible_years = PConfig::get($uid,'system','archive_visible_years');
2387 if (! $visible_years) {
2391 $ret = list_post_dates($uid, $wall);
2393 if (! DBM::is_result($ret)) {
2397 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2398 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2400 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2401 '$title' => t('Archives'),
2402 '$size' => $visible_years,
2403 '$cutoff_year' => $cutoff_year,
2404 '$cutoff' => $cutoff,
2407 '$showmore' => t('show more')