3 * @file include/items.php
6 use Friendica\ParseUrl;
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\GlobalContact;
13 use Friendica\Object\Contact;
14 use Friendica\Protocol\DFRN;
15 use Friendica\Protocol\OStatus;
16 use Friendica\Util\Lock;
18 require_once 'include/bbcode.php';
19 require_once 'include/oembed.php';
20 require_once 'include/salmon.php';
21 require_once 'include/crypto.php';
22 require_once 'include/tags.php';
23 require_once 'include/files.php';
24 require_once 'include/text.php';
25 require_once 'include/email.php';
26 require_once 'include/threads.php';
27 require_once 'include/plaintext.php';
28 require_once 'include/feed.php';
29 require_once 'mod/share.php';
30 require_once 'include/enotify.php';
31 require_once 'include/group.php';
33 function construct_verb($item) {
42 * The purpose of this function is to apply system message length limits to
43 * imported messages without including any embedded photos in the length
45 if (! function_exists('limit_body_size')) {
46 function limit_body_size($body) {
48 // logger('limit_body_size: start', LOGGER_DEBUG);
50 $maxlen = get_max_import_size();
52 // If the length of the body, including the embedded images, is smaller
53 // than the maximum, then don't waste time looking for the images
54 if ($maxlen && (strlen($body) > $maxlen)) {
56 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
63 $img_start = strpos($orig_body, '[img');
64 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
65 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
66 while (($img_st_close !== false) && ($img_end !== false)) {
68 $img_st_close++; // make it point to AFTER the closing bracket
69 $img_end += $img_start;
70 $img_end += strlen('[/img]');
72 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
73 // This is an embedded image
75 if (($textlen + $img_start) > $maxlen ) {
76 if ($textlen < $maxlen) {
77 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
78 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
82 $new_body = $new_body . substr($orig_body, 0, $img_start);
83 $textlen += $img_start;
86 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
89 if (($textlen + $img_end) > $maxlen ) {
90 if ($textlen < $maxlen) {
91 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
92 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
96 $new_body = $new_body . substr($orig_body, 0, $img_end);
100 $orig_body = substr($orig_body, $img_end);
102 if ($orig_body === false) {
103 // in case the body ends on a closing image tag
107 $img_start = strpos($orig_body, '[img');
108 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
109 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
112 if (($textlen + strlen($orig_body)) > $maxlen) {
113 if ($textlen < $maxlen) {
114 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
115 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
119 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
120 $new_body = $new_body . $orig_body;
121 $textlen += strlen($orig_body);
130 function title_is_body($title, $body) {
132 $title = strip_tags($title);
133 $title = trim($title);
134 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
135 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
137 $body = strip_tags($body);
139 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
140 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
142 if (strlen($title) < strlen($body)) {
143 $body = substr($body, 0, strlen($title));
146 if (($title != $body) && (substr($title, -3) == "...")) {
147 $pos = strrpos($title, "...");
149 $title = substr($title, 0, $pos);
150 $body = substr($body, 0, $pos);
154 return ($title == $body);
157 function add_page_info_data($data) {
158 call_hooks('page_info_data', $data);
160 // It maybe is a rich content, but if it does have everything that a link has,
161 // then treat it that way
162 if (($data["type"] == "rich") && is_string($data["title"]) &&
163 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
164 $data["type"] = "link";
167 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
171 if ($no_photos && ($data["type"] == "photo")) {
175 if (sizeof($data["images"]) > 0) {
176 $preview = $data["images"][0];
181 // Escape some bad characters
182 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
183 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
185 $text = "[attachment type='".$data["type"]."'";
187 if ($data["text"] == "") {
188 $data["text"] = $data["title"];
191 if ($data["text"] == "") {
192 $data["text"] = $data["url"];
195 if ($data["url"] != "") {
196 $text .= " url='".$data["url"]."'";
199 if ($data["title"] != "") {
200 $text .= " title='".$data["title"]."'";
203 if (sizeof($data["images"]) > 0) {
204 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
205 // if the preview picture is larger than 500 pixels then show it in a larger mode
206 // But only, if the picture isn't higher than large (To prevent huge posts)
207 if (!Config::get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
208 && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
209 $text .= " image='".$preview."'";
211 $text .= " preview='".$preview."'";
215 $text .= "]".$data["text"]."[/attachment]";
218 if (isset($data["keywords"]) && count($data["keywords"])) {
220 foreach ($data["keywords"] AS $keyword) {
221 /// @todo make a positive list of allowed characters
222 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
223 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
224 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
228 return "\n".$text.$hashtags;
231 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
233 $data = ParseUrl::getSiteinfoCached($url, true);
236 $data["images"][0]["src"] = $photo;
239 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
241 if (!$keywords && isset($data["keywords"])) {
242 unset($data["keywords"]);
245 if (($keyword_blacklist != "") && isset($data["keywords"])) {
246 $list = explode(", ", $keyword_blacklist);
247 foreach ($list AS $keyword) {
248 $keyword = trim($keyword);
249 $index = array_search($keyword, $data["keywords"]);
250 if ($index !== false) {
251 unset($data["keywords"][$index]);
259 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
260 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
263 if (isset($data["keywords"]) && count($data["keywords"])) {
264 foreach ($data["keywords"] AS $keyword) {
265 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
266 array("", "", "", "", "", ""), $keyword);
272 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
279 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
280 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
282 $text = add_page_info_data($data);
287 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
289 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
291 $URLSearchString = "^\[\]";
293 // Fix for Mastodon where the mentions are in a different format
294 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
295 '$2[url=$1]$3[/url]', $body);
297 // Adding these spaces is a quick hack due to my problems with regular expressions :)
298 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
301 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
304 // Convert urls without bbcode elements
305 if (!$matches && $texturl) {
306 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
308 // Yeah, a hack. I really hate regular expressions :)
310 $matches[1] = $matches[2];
315 $footer = add_page_info($matches[1], $no_photos);
318 // Remove the link from the body if the link is attached at the end of the post
319 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
320 $removedlink = trim(str_replace($matches[1], "", $body));
321 if (($removedlink == "") || strstr($body, $removedlink)) {
322 $body = $removedlink;
325 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
326 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
327 if (($removedlink == "") || strstr($body, $removedlink)) {
328 $body = $removedlink;
332 // Add the page information to the bottom
333 if (isset($footer) && (trim($footer) != "")) {
341 * Adds a "lang" specification in a "postopts" element of given $arr,
342 * if possible and not already present.
343 * Expects "body" element to exist in $arr.
345 * @todo Add a parameter to request forcing override
347 function item_add_language_opt(&$arr) {
349 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
350 // LanguageDetect.php not available ?
354 if (x($arr, 'postopts') ) {
355 if (strstr($arr['postopts'], 'lang=') ) {
357 /// @TODO Add parameter to request overriding
360 $postopts = $arr['postopts'];
365 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
366 $l = new Text_LanguageDetect();
367 $lng = $l->detect($naked_body, 3);
369 if (sizeof($lng) > 0) {
370 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
371 $postopts .= 'lang=';
373 foreach ($lng as $language => $score) {
374 $postopts .= $sep . $language . ";" . $score;
377 $arr['postopts'] = $postopts;
382 * @brief Creates an unique guid out of a given uri
384 * @param string $uri uri of an item entry
385 * @param string $host (Optional) hostname for the GUID prefix
386 * @return string unique guid
388 function uri_to_guid($uri, $host = "") {
390 // Our regular guid routine is using this kind of prefix as well
391 // We have to avoid that different routines could accidentally create the same value
392 $parsed = parse_url($uri);
394 // When the hostname isn't given, we take it from the uri
396 // Is it in the format data@host.tld?
397 if ((count($parsed) == 1) && strstr($uri, '@')) {
398 $mailparts = explode('@', $uri);
399 $host = array_pop($mailparts);
401 $host = $parsed["host"];
405 // We use a hash of the hostname as prefix for the guid
406 $guid_prefix = hash("crc32", $host);
408 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
409 unset($parsed["scheme"]);
411 // Glue it together to be able to make a hash from it
412 $host_id = implode("/", $parsed);
414 // We could use any hash algorithm since it isn't a security issue
415 $host_hash = hash("ripemd128", $host_id);
417 return $guid_prefix.$host_hash;
421 * @brief Store the conversation data
423 * @param array $arr Item array with conversation data
424 * @return array Item array with removed conversation data
426 function store_conversation($arr) {
427 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)) && !empty($arr['uri'])) {
428 $conversation = array('item-uri' => $arr['uri'], 'received' => DBM::date());
430 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
431 $conversation['reply-to-uri'] = $arr['parent-uri'];
433 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
434 $conversation['reply-to-uri'] = $arr['thr-parent'];
437 if (isset($arr['conversation-uri'])) {
438 $conversation['conversation-uri'] = $arr['conversation-uri'];
441 if (isset($arr['conversation-href'])) {
442 $conversation['conversation-href'] = $arr['conversation-href'];
445 if (isset($arr['protocol'])) {
446 $conversation['protocol'] = $arr['protocol'];
449 if (isset($arr['source'])) {
450 $conversation['source'] = $arr['source'];
453 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
454 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
455 if (DBM::is_result($old_conv)) {
456 // Don't update when only the source has changed.
457 // Only do this when there had been no source before.
458 if ($old_conv['source'] != '') {
459 unset($old_conv['source']);
461 // Update structure data all the time but the source only when its from a better protocol.
462 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
463 unset($conversation['protocol']);
464 unset($conversation['source']);
466 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
467 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
470 if (!dba::insert('conversation', $conversation, true)) {
471 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
476 unset($arr['conversation-uri']);
477 unset($arr['conversation-href']);
478 unset($arr['protocol']);
479 unset($arr['source']);
484 /// @TODO add type-hint array
485 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
489 // If it is a posting where users should get notifications, then define it as wall posting
492 $arr['type'] = 'wall';
494 $arr['last-child'] = 1;
495 $arr['network'] = NETWORK_DFRN;
496 $arr['protocol'] = PROTOCOL_DFRN;
498 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
499 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
500 // This is done because our host is the original creator of the post.
501 if (!isset($arr['guid'])) {
502 if (isset($arr['plink'])) {
503 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
504 } elseif (isset($arr['uri'])) {
505 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
512 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
513 $arr['guid'] = uri_to_guid($arr['plink']);
514 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
515 $arr['guid'] = uri_to_guid($arr['uri']);
517 $parsed = parse_url($arr["author-link"]);
518 $guid_prefix = hash("crc32", $parsed["host"]);
521 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
522 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
524 // Store conversation data
525 $arr = store_conversation($arr);
528 * If a Diaspora signature structure was passed in, pull it out of the
529 * item array and set it aside for later storage.
533 if (x($arr, 'dsprsig')) {
534 $encoded_signature = $arr['dsprsig'];
535 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
536 unset($arr['dsprsig']);
539 // Converting the plink
540 /// @todo Check if this is really still needed
541 if ($arr['network'] == NETWORK_OSTATUS) {
542 if (isset($arr['plink'])) {
543 $arr['plink'] = OStatus::convertHref($arr['plink']);
544 } elseif (isset($arr['uri'])) {
545 $arr['plink'] = OStatus::convertHref($arr['uri']);
549 if (x($arr, 'gravity')) {
550 $arr['gravity'] = intval($arr['gravity']);
551 } elseif ($arr['parent-uri'] === $arr['uri']) {
553 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
556 $arr['gravity'] = 6; // extensible catchall
559 if (! x($arr, 'type')) {
560 $arr['type'] = 'remote';
563 $uid = intval($arr['uid']);
565 // check for create date and expire time
566 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
568 $r = dba::select('user', array('expire'), array('uid' => $uid), array("limit" => 1));
569 if (DBM::is_result($r) && ($r['expire'] > 0) && (($r['expire'] < $expire_interval) || ($expire_interval == 0))) {
570 $expire_interval = $r['expire'];
573 if (($expire_interval > 0) && !empty($arr['created'])) {
574 $expire_date = time() - ($expire_interval * 86400);
575 $created_date = strtotime($arr['created']);
576 if ($created_date < $expire_date) {
577 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
583 * Do we already have this item?
584 * We have to check several networks since Friendica posts could be repeated
585 * via OStatus (maybe Diasporsa as well)
587 if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
588 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
589 dbesc(trim($arr['uri'])),
591 dbesc(NETWORK_DIASPORA),
593 dbesc(NETWORK_OSTATUS)
595 if (DBM::is_result($r)) {
596 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
598 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
605 /// @TODO old-lost code?
606 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
607 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
608 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
609 // $arr['body'] = strip_tags($arr['body']);
611 item_add_language_opt($arr);
613 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
614 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
615 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
616 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
617 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
618 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
619 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
620 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
621 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
622 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
623 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
624 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
625 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
626 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
627 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
628 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
629 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
630 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
632 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
633 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
634 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
635 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
636 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
637 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
638 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
639 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
640 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
641 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
642 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
643 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
644 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
645 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
646 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
647 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
648 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
649 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
650 $arr['network'] = ((x($arr, 'network')) ? trim($arr['network']) : '');
651 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
652 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
653 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
654 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
655 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
657 // When there is no content then we don't post it
658 if ($arr['body'].$arr['title'] == '') {
662 // Items cannot be stored before they happen ...
663 if ($arr['created'] > datetime_convert()) {
664 $arr['created'] = datetime_convert();
667 // We haven't invented time travel by now.
668 if ($arr['edited'] > datetime_convert()) {
669 $arr['edited'] = datetime_convert();
672 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
673 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
676 if ($arr['plink'] == "") {
677 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
680 if ($arr['network'] == "") {
681 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
682 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
683 dbesc(normalise_link($arr['author-link'])),
687 if (!DBM::is_result($r))
688 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
689 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
690 dbesc(normalise_link($arr['author-link']))
693 if (!DBM::is_result($r)) {
694 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
695 intval($arr['contact-id']),
700 if (DBM::is_result($r)) {
701 $arr['network'] = $r[0]["network"];
704 // Fallback to friendica (why is it empty in some cases?)
705 if ($arr['network'] == "") {
706 $arr['network'] = NETWORK_DFRN;
709 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
712 // The contact-id should be set before "item_store" was called - but there seems to be some issues
713 if ($arr["contact-id"] == 0) {
715 * First we are looking for a suitable contact that matches with the author of the post
716 * This is done only for comments (See below explanation at "gcontact-id")
718 if ($arr['parent-uri'] != $arr['uri']) {
719 $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
722 // If not present then maybe the owner was found
723 if ($arr["contact-id"] == 0) {
724 $arr["contact-id"] = Contact::getIdForURL($arr['owner-link'], $uid);
727 // Still missing? Then use the "self" contact of the current user
728 if ($arr["contact-id"] == 0) {
729 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
731 if (DBM::is_result($r)) {
732 $arr["contact-id"] = $r[0]["id"];
736 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
739 if ($arr["gcontact-id"] == 0) {
741 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
742 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
743 * On comments the author is the better choice.
745 if ($arr['parent-uri'] === $arr['uri']) {
746 $arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['owner-link'], "network" => $arr['network'],
747 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
749 $arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['author-link'], "network" => $arr['network'],
750 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
754 if ($arr["author-id"] == 0) {
755 $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
758 if (Contact::isBlocked($arr["author-id"])) {
759 logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
763 if ($arr["owner-id"] == 0) {
764 $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
767 if (Contact::isBlocked($arr["owner-id"])) {
768 logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
772 if ($arr['guid'] != "") {
773 // Checking if there is already an item with the same guid
774 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
775 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
776 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
778 if (DBM::is_result($r)) {
779 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
784 // Check for hashtags in the body and repair or add hashtag links
785 item_body_set_hashtags($arr);
787 $arr['thr-parent'] = $arr['parent-uri'];
789 if ($arr['parent-uri'] === $arr['uri']) {
792 $allow_cid = $arr['allow_cid'];
793 $allow_gid = $arr['allow_gid'];
794 $deny_cid = $arr['deny_cid'];
795 $deny_gid = $arr['deny_gid'];
796 $notify_type = 'wall-new';
799 // find the parent and snarf the item id and ACLs
800 // and anything else we need to inherit
802 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
803 dbesc($arr['parent-uri']),
807 if (DBM::is_result($r)) {
809 // is the new message multi-level threaded?
810 // even though we don't support it now, preserve the info
811 // and re-attach to the conversation parent.
813 if ($r[0]['uri'] != $r[0]['parent-uri']) {
814 $arr['parent-uri'] = $r[0]['parent-uri'];
815 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
816 ORDER BY `id` ASC LIMIT 1",
817 dbesc($r[0]['parent-uri']),
818 dbesc($r[0]['parent-uri']),
822 if (DBM::is_result($z)) {
827 $parent_id = $r[0]['id'];
828 $parent_deleted = $r[0]['deleted'];
829 $allow_cid = $r[0]['allow_cid'];
830 $allow_gid = $r[0]['allow_gid'];
831 $deny_cid = $r[0]['deny_cid'];
832 $deny_gid = $r[0]['deny_gid'];
833 $arr['wall'] = $r[0]['wall'];
834 $notify_type = 'comment-new';
837 * If the parent is private, force privacy for the entire conversation
838 * This differs from the above settings as it subtly allows comments from
839 * email correspondents to be private even if the overall thread is not.
841 if ($r[0]['private']) {
842 $arr['private'] = $r[0]['private'];
846 * Edge case. We host a public forum that was originally posted to privately.
847 * The original author commented, but as this is a comment, the permissions
848 * weren't fixed up so it will still show the comment as private unless we fix it here.
850 if ((intval($r[0]['forum_mode']) == 1) && $r[0]['private']) {
854 // If its a post from myself then tag the thread as "mention"
855 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
856 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
857 if (DBM::is_result($u)) {
859 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
860 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
861 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
862 dba::update('thread', array('mention' => true), array('iid' => $parent_id));
863 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
868 * Allow one to see reply tweets from status.net even when
869 * we don't have or can't see the original post.
872 logger('item_store: $force_parent=true, reply converted to top-level post.');
874 $arr['parent-uri'] = $arr['uri'];
877 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
885 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
887 dbesc($arr['network']),
891 if (DBM::is_result($r)) {
892 logger('duplicated item with the same uri found. '.print_r($arr,true));
896 // On Friendica and Diaspora the GUID is unique
897 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
898 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
902 if (DBM::is_result($r)) {
903 logger('duplicated item with the same guid found. '.print_r($arr,true));
907 // Check for an existing post with the same content. There seems to be a problem with OStatus.
908 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
910 dbesc($arr['network']),
911 dbesc($arr['created']),
912 intval($arr['contact-id']),
915 if (DBM::is_result($r)) {
916 logger('duplicated item with the same body found. '.print_r($arr,true));
921 // Is this item available in the global items (with uid=0)?
922 if ($arr["uid"] == 0) {
923 $arr["global"] = true;
925 // Set the global flag on all items if this was a global item entry
926 dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
928 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
930 $arr["global"] = (DBM::is_result($isglobal) && count($isglobal) > 0);
934 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
937 $private = $arr['private'];
940 $arr["allow_cid"] = $allow_cid;
941 $arr["allow_gid"] = $allow_gid;
942 $arr["deny_cid"] = $deny_cid;
943 $arr["deny_gid"] = $deny_gid;
944 $arr["private"] = $private;
945 $arr["deleted"] = $parent_deleted;
947 // Fill the cache field
948 put_item_in_cache($arr);
951 call_hooks('post_local', $arr);
953 call_hooks('post_remote', $arr);
956 // This array field is used to trigger some automatic reactions
957 // It is mainly used in the "post_local" hook.
958 unset($arr['api_source']);
960 if (x($arr, 'cancel')) {
961 logger('item_store: post cancelled by plugin.');
966 * Check for already added items.
967 * There is a timing issue here that sometimes creates double postings.
968 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
970 if ($arr["uid"] == 0) {
971 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
972 if (DBM::is_result($r)) {
973 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
978 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
981 $r = dba::insert('item', $arr);
983 // When the item was successfully stored we fetch the ID of the item.
984 if (DBM::is_result($r)) {
985 $current_post = dba::lastInsertId();
987 // This can happen - for example - if there are locking timeouts.
990 // Store the data into a spool file so that we can try again later.
992 // At first we restore the Diaspora signature that we removed above.
993 if (isset($encoded_signature)) {
994 $arr['dsprsig'] = $encoded_signature;
997 // Now we store the data in the spool directory
998 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
999 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1001 $spoolpath = get_spoolpath();
1002 if ($spoolpath != "") {
1003 $spool = $spoolpath.'/'.$file;
1004 file_put_contents($spool, json_encode($arr));
1005 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1010 if ($current_post == 0) {
1011 // This is one of these error messages that never should occur.
1012 logger("couldn't find created item - we better quit now.");
1017 // How much entries have we created?
1018 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1019 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1021 intval($arr['uid']),
1022 dbesc($arr['network'])
1025 if (!DBM::is_result($r)) {
1026 // This shouldn't happen, since COUNT always works when the database connection is there.
1027 logger("We couldn't count the stored entries. Very strange ...");
1032 if ($r[0]["entries"] > 1) {
1033 // There are duplicates. We delete our just created entry.
1034 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1036 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1037 dba::delete('item', array('id' => $current_post));
1040 } elseif ($r[0]["entries"] == 0) {
1041 // This really should never happen since we quit earlier if there were problems.
1042 logger("Something is terribly wrong. We haven't found our created entry.");
1047 logger('item_store: created item '.$current_post);
1048 item_set_last_item($arr);
1050 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1051 $parent_id = $current_post;
1055 $r = dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
1057 $arr['id'] = $current_post;
1058 $arr['parent'] = $parent_id;
1060 // update the commented timestamp on the parent
1061 // Only update "commented" if it is really a comment
1062 if (($arr['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1063 dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
1065 dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
1071 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1072 * We can check for this condition when we decode and encode the stuff again.
1074 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1075 $dsprsig->signature = base64_decode($dsprsig->signature);
1076 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1079 dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1080 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
1083 $deleted = tag_deliver($arr['uid'], $current_post);
1086 * current post can be deleted if is for a community page and no mention are
1089 if (!$deleted && !$dontcache) {
1091 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1092 if ((DBM::is_result($r)) && (count($r) == 1)) {
1094 call_hooks('post_local_end', $r[0]);
1096 call_hooks('post_remote_end', $r[0]);
1099 logger('item_store: new item not found in DB, id ' . $current_post);
1103 if ($arr['parent-uri'] === $arr['uri']) {
1104 add_thread($current_post);
1106 update_thread($parent_id);
1112 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1113 * This is not perfect - but a workable solution until we found the reason for the problem.
1115 create_tags_from_item($current_post);
1116 create_files_from_item($current_post);
1119 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1120 * It is done after the transaction to avoid dead locks.
1122 if ($arr['last-child']) {
1123 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1125 intval($arr['uid']),
1126 intval($current_post)
1130 if ($arr['parent-uri'] === $arr['uri']) {
1131 add_shadow_thread($current_post);
1133 add_shadow_entry($current_post);
1136 check_item_notification($current_post, $uid);
1139 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "Notifier", $notify_type, $current_post);
1142 return $current_post;
1146 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1148 * This can be used to filter for inactive contacts.
1149 * Only do this for public postings to avoid privacy problems, since poco data is public.
1150 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1152 * @param array $arr Contains the just posted item record
1154 function item_set_last_item($arr) {
1156 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1158 // Is it a forum? Then we don't care about the rules from above
1159 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1160 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1161 intval($arr['contact-id']));
1162 if (DBM::is_result($isforum)) {
1168 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1169 array('id' => $arr['contact-id']));
1171 // Now do the same for the system wide contacts with uid=0
1172 if (!$arr['private']) {
1173 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1174 array('id' => $arr['owner-id']));
1176 if ($arr['owner-id'] != $arr['author-id']) {
1177 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1178 array('id' => $arr['author-id']));
1183 function item_body_set_hashtags(&$item) {
1185 $tags = get_tags($item["body"]);
1188 if (!count($tags)) {
1192 // This sorting is important when there are hashtags that are part of other hashtags
1193 // Otherwise there could be problems with hashtags like #test and #test2
1198 $URLSearchString = "^\[\]";
1200 // All hashtags should point to the home server if "local_tags" is activated
1201 if (Config::get('system', 'local_tags')) {
1202 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1203 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1205 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1206 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1209 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1210 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1212 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1215 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1217 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1220 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1222 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1225 // Repair recursive urls
1226 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1227 "#$2", $item["body"]);
1229 foreach ($tags as $tag) {
1230 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1234 $basetag = str_replace('_',' ',substr($tag,1));
1236 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1238 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1240 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1241 if (strlen($item["tag"])) {
1242 $item["tag"] = ','.$item["tag"];
1244 $item["tag"] = $newtag.$item["tag"];
1248 // Convert back the masked hashtags
1249 $item["body"] = str_replace("#", "#", $item["body"]);
1252 function get_item_guid($id) {
1253 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1254 if (DBM::is_result($r)) {
1255 return $r[0]["guid"];
1257 /// @TODO This else-block can be elimited again
1262 function get_item_id($guid, $uid = 0) {
1268 $uid == local_user();
1271 // Does the given user have this item?
1273 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1274 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1275 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1276 if (DBM::is_result($r)) {
1278 $nick = $r[0]["nickname"];
1282 // Or is it anywhere on the server?
1284 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1285 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1286 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1287 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1288 AND `item`.`private` = 0 AND `item`.`wall` = 1
1289 AND `item`.`guid` = '%s'", dbesc($guid));
1290 if (DBM::is_result($r)) {
1292 $nick = $r[0]["nickname"];
1295 return array("nick" => $nick, "id" => $id);
1299 function get_item_contact($item, $contacts) {
1300 if (! count($contacts) || (! is_array($item))) {
1303 foreach ($contacts as $contact) {
1304 if ($contact['id'] == $item['contact-id']) {
1306 break; // NOTREACHED
1313 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1315 * @param int $item_id
1316 * @return bool true if item was deleted, else false
1318 function tag_deliver($uid, $item_id) {
1324 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1328 if (! DBM::is_result($u)) {
1332 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1333 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1336 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1340 if (! DBM::is_result($i)) {
1346 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1349 * Diaspora uses their own hardwired link URL in @-tags
1350 * instead of the one we supply with webfinger
1352 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1354 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1356 foreach ($matches as $mtch) {
1357 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1359 logger('tag_deliver: mention found: ' . $mtch[2]);
1365 if (($community_page || $prvgroup) &&
1366 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1367 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1369 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1370 dba::delete('item', array('id' => $item_id));
1376 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1378 call_hooks('tagged', $arr);
1380 if ((! $community_page) && (! $prvgroup)) {
1385 * tgroup delivery - setup a second delivery chain
1386 * prevent delivery looping - only proceed
1387 * if the message originated elsewhere and is a top-level post
1389 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1393 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1394 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1395 intval($u[0]['uid'])
1397 if (! DBM::is_result($c)) {
1401 // also reset all the privacy bits to the forum default permissions
1403 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1405 $forum_mode = (($prvgroup) ? 2 : 1);
1407 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1408 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1409 intval($forum_mode),
1410 dbesc($c[0]['name']),
1411 dbesc($c[0]['url']),
1412 dbesc($c[0]['thumb']),
1414 dbesc($u[0]['allow_cid']),
1415 dbesc($u[0]['allow_gid']),
1416 dbesc($u[0]['deny_cid']),
1417 dbesc($u[0]['deny_gid']),
1420 update_thread($item_id);
1422 Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'Notifier', 'tgroup', $item_id);
1428 function tgroup_check($uid, $item) {
1432 // check that the message originated elsewhere and is a top-level post
1434 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1438 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1439 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1442 if (! DBM::is_result($u)) {
1446 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1447 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1449 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1452 * Diaspora uses their own hardwired link URL in @-tags
1453 * instead of the one we supply with webfinger
1455 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1457 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1459 foreach ($matches as $mtch) {
1460 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1462 logger('tgroup_check: mention found: ' . $mtch[2]);
1471 /// @TODO Combine both return statements into one
1472 return (($community_page) || ($prvgroup));
1476 * This function returns true if $update has an edited timestamp newer
1477 * than $existing, i.e. $update contains new data which should override
1478 * what's already there. If there is no timestamp yet, the update is
1479 * assumed to be newer. If the update has no timestamp, the existing
1480 * item is assumed to be up-to-date. If the timestamps are equal it
1481 * assumes the update has been seen before and should be ignored.
1483 * @todo fix type-hints (both array)
1485 function edited_timestamp_is_newer($existing, $update) {
1486 if (!x($existing, 'edited') || !$existing['edited']) {
1489 if (!x($update, 'edited') || !$update['edited']) {
1493 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1494 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1495 return (strcmp($existing_edited, $update_edited) < 0);
1500 * consume_feed - process atom feed and update anything/everything we might need to update
1502 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1504 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1505 * It is this person's stuff that is going to be updated.
1506 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1507 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1508 * have a contact record.
1509 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1510 * might not) try and subscribe to it.
1511 * $datedir sorts in reverse order
1512 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1513 * imported prior to its children being seen in the stream unless we are certain
1514 * of how the feed is arranged/ordered.
1515 * With $pass = 1, we only pull parent items out of the stream.
1516 * With $pass = 2, we only pull children (comments/likes).
1518 * So running this twice, first with pass 1 and then with pass 2 will do the right
1519 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1520 * model where comments can have sub-threads. That would require some massive sorting
1521 * to get all the feed items into a mostly linear ordering, and might still require
1524 * @todo find proper type-hints
1526 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1527 if ($contact['network'] === NETWORK_OSTATUS) {
1529 // Test - remove before flight
1530 //$tempfile = tempnam(get_temppath(), "ostatus2");
1531 //file_put_contents($tempfile, $xml);
1532 logger("Consume OStatus messages ", LOGGER_DEBUG);
1533 OStatus::import($xml, $importer, $contact, $hub);
1538 if ($contact['network'] === NETWORK_FEED) {
1540 logger("Consume feeds", LOGGER_DEBUG);
1541 feed_import($xml, $importer, $contact, $hub);
1546 if ($contact['network'] === NETWORK_DFRN) {
1547 logger("Consume DFRN messages", LOGGER_DEBUG);
1549 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1550 `contact`.`pubkey` AS `cpubkey`,
1551 `contact`.`prvkey` AS `cprvkey`,
1552 `contact`.`thumb` AS `thumb`,
1553 `contact`.`url` as `url`,
1554 `contact`.`name` as `senderName`,
1557 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1558 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1559 dbesc($contact["id"]), dbesc($importer["uid"])
1561 if (DBM::is_result($r)) {
1562 logger("Now import the DFRN feed");
1563 DFRN::import($xml, $r[0], true);
1569 /// @TODO type-hint is array
1570 function item_is_remote_self($contact, &$datarray) {
1573 if (!$contact['remote_self']) {
1577 // Prevent the forwarding of posts that are forwarded
1578 if ($datarray["extid"] == NETWORK_DFRN) {
1582 // Prevent to forward already forwarded posts
1583 if ($datarray["app"] == $a->get_hostname()) {
1587 // Only forward posts
1588 if ($datarray["verb"] != ACTIVITY_POST) {
1592 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1596 $datarray2 = $datarray;
1597 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1598 if ($contact['remote_self'] == 2) {
1599 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1600 intval($contact['uid']));
1601 if (DBM::is_result($r)) {
1602 $datarray['contact-id'] = $r[0]["id"];
1604 $datarray['owner-name'] = $r[0]["name"];
1605 $datarray['owner-link'] = $r[0]["url"];
1606 $datarray['owner-avatar'] = $r[0]["thumb"];
1608 $datarray['author-name'] = $datarray['owner-name'];
1609 $datarray['author-link'] = $datarray['owner-link'];
1610 $datarray['author-avatar'] = $datarray['owner-avatar'];
1612 unset($datarray['created']);
1613 unset($datarray['edited']);
1616 if ($contact['network'] != NETWORK_FEED) {
1617 $datarray["guid"] = get_guid(32);
1618 unset($datarray["plink"]);
1619 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1620 $datarray["parent-uri"] = $datarray["uri"];
1621 $datarray["extid"] = $contact['network'];
1622 $urlpart = parse_url($datarray2['author-link']);
1623 $datarray["app"] = $urlpart["host"];
1625 $datarray['private'] = 0;
1629 if ($contact['network'] != NETWORK_FEED) {
1630 // Store the original post
1631 $r = item_store($datarray2, false, false);
1632 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1634 $datarray["app"] = "Feed";
1637 // Trigger automatic reactions for addons
1638 $datarray['api_source'] = true;
1640 // We have to tell the hooks who we are - this really should be improved
1641 $_SESSION["authenticated"] = true;
1642 $_SESSION["uid"] = $contact['uid'];
1647 /// @TODO find proper type-hints
1648 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1649 $url = notags(trim($datarray['author-link']));
1650 $name = notags(trim($datarray['author-name']));
1651 $photo = notags(trim($datarray['author-avatar']));
1653 if (is_object($item)) {
1654 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1655 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1656 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1662 if (is_array($contact)) {
1663 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1664 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1665 $r = dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
1666 array('id' => $contact['id'], 'uid' => $importer['uid']));
1668 // send email notification to owner?
1671 // create contact record
1673 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1674 `blocked`, `readonly`, `pending`, `writable`)
1675 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1676 intval($importer['uid']),
1677 dbesc(datetime_convert()),
1679 dbesc(normalise_link($url)),
1683 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1684 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1686 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1687 intval($importer['uid']),
1690 if (DBM::is_result($r)) {
1691 $contact_record = $r[0];
1692 Contact::updateAvatar($photo, $importer["uid"], $contact_record["id"], true);
1695 /// @TODO Encapsulate this into a function/method
1696 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1697 intval($importer['uid'])
1700 if (DBM::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1702 // create notification
1703 $hash = random_string();
1705 if (is_array($contact_record)) {
1706 dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
1707 'blocked' => false, 'knowyou' => false,
1708 'hash' => $hash, 'datetime' => datetime_convert()));
1711 $def_gid = get_default_group($importer['uid'], $contact_record["network"]);
1713 if (intval($def_gid)) {
1714 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
1717 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1718 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1721 'type' => NOTIFY_INTRO,
1722 'notify_flags' => $r[0]['notify-flags'],
1723 'language' => $r[0]['language'],
1724 'to_name' => $r[0]['username'],
1725 'to_email' => $r[0]['email'],
1726 'uid' => $r[0]['uid'],
1727 'link' => System::baseUrl() . '/notifications/intro',
1728 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1729 'source_link' => $contact_record['url'],
1730 'source_photo' => $contact_record['photo'],
1731 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1736 } elseif (DBM::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1737 $r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1738 intval($importer['uid']),
1746 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1748 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1749 dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
1751 Contact::remove($contact['id']);
1755 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1757 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1758 dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
1760 Contact::remove($contact['id']);
1764 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1768 if (is_array($importer)) {
1769 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1770 intval($importer['uid'])
1775 * Diaspora has different message-ids in feeds than they do
1776 * through the direct Diaspora protocol. If we try and use
1777 * the feed, we'll get duplicates. So don't.
1779 if ((! DBM::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1783 $push_url = Config::get('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1785 // Use a single verify token, even if multiple hubs
1786 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1788 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1790 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1792 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1793 $r = dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
1796 post_url($url, $params);
1798 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1804 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1806 if (Config::get('system','disable_embedded')) {
1812 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1813 $site = substr(System::baseUrl(),strpos(System::baseUrl(),'://'));
1818 $img_start = strpos($orig_body, '[img');
1819 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1820 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1821 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1823 $img_st_close++; // make it point to AFTER the closing bracket
1824 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1826 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 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1845 if (DBM::is_result($r)) {
1847 * Check to see if we should replace this photo link with an embedded image
1848 * 1. No need to do so if the photo is public
1849 * 2. If there's a contact-id provided, see if they're in the access list
1850 * for the photo. If so, embed it.
1851 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1852 * permissions, regardless of order but first check to see if they're an exact
1853 * match to save some processing overhead.
1855 if (has_permissions($r[0])) {
1857 $recips = enumerate_permissions($r[0]);
1858 if (in_array($cid, $recips)) {
1862 if (compare_permissions($item, $r[0])) {
1868 $data = $r[0]['data'];
1869 $type = $r[0]['type'];
1871 // If a custom width and height were specified, apply before embedding
1872 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1873 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1875 $width = intval($match[1]);
1876 $height = intval($match[2]);
1878 $ph = new Photo($data, $type);
1879 if ($ph->isValid()) {
1880 $ph->scaleImage(max($width, $height));
1881 $data = $ph->imageString();
1882 $type = $ph->getType();
1886 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1887 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1888 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1894 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1895 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1896 if ($orig_body === false) {
1900 $img_start = strpos($orig_body, '[img');
1901 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1902 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1905 $new_body = $new_body . $orig_body;
1910 /// @TODO type-hint is array
1911 function has_permissions($obj) {
1914 x($obj, 'allow_cid')
1916 x($obj, 'allow_gid')
1925 /// @TODO type-hint is array
1926 function compare_permissions($obj1, $obj2) {
1927 // first part is easy. Check that these are exactly the same.
1928 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1929 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1930 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1931 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1935 // This is harder. Parse all the permissions and compare the resulting set.
1936 $recipients1 = enumerate_permissions($obj1);
1937 $recipients2 = enumerate_permissions($obj2);
1941 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1942 return ($recipients1 == $recipients2);
1945 // returns an array of contact-ids that are allowed to see this object
1946 /// @TODO type-hint is array
1947 function enumerate_permissions($obj) {
1948 $allow_people = expand_acl($obj['allow_cid']);
1949 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1950 $deny_people = expand_acl($obj['deny_cid']);
1951 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1952 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1953 $deny = array_unique(array_merge($deny_people, $deny_groups));
1954 $recipients = array_diff($recipients, $deny);
1958 function item_getfeedtags($item) {
1961 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1963 for ($x = 0; $x < $cnt; $x ++) {
1964 if ($matches[1][$x]) {
1965 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1970 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1972 for ($x = 0; $x < $cnt; $x ++) {
1973 if ($matches[1][$x]) {
1974 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1981 function item_expire($uid, $days, $network = "", $force = false) {
1983 if ((! $uid) || ($days < 1)) {
1988 * $expire_network_only = save your own wall posts
1989 * and just expire conversations started by others
1991 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
1992 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
1994 if ($network != "") {
1995 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
1998 * There is an index "uid_network_received" but not "uid_network_created"
1999 * This avoids the creation of another index just for one purpose.
2000 * And it doesn't really matter wether to look at "received" or "created"
2002 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2004 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2007 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2008 WHERE `uid` = %d $range
2016 if (! DBM::is_result($r)) {
2020 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2022 // Forcing expiring of items - but not notes and marked items
2024 $expire_items = true;
2027 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2028 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2029 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2031 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2033 foreach ($r as $item) {
2035 // don't expire filed items
2037 if (strpos($item['file'],'[') !== false) {
2041 // Only expire posts, not photos and photo comments
2043 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2045 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2047 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2049 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2053 drop_item($item['id'], false);
2056 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2059 /// @TODO type-hint is array
2060 function drop_items($items) {
2063 if (! local_user() && ! remote_user()) {
2067 if (count($items)) {
2068 foreach ($items as $item) {
2069 $owner = drop_item($item,false);
2070 if ($owner && ! $uid)
2075 // multiple threads may have been deleted, send an expire notification
2078 Worker::add(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "Notifier", "expire", $uid);
2083 function drop_item($id, $interactive = true) {
2087 // locate item to be deleted
2089 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2093 if (! DBM::is_result($r)) {
2094 if (! $interactive) {
2097 notice( t('Item not found.') . EOL);
2098 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2103 if ($item['deleted']) {
2107 $owner = $item['uid'];
2111 // check if logged in user is either the author or owner of this item
2113 if (is_array($_SESSION['remote'])) {
2114 foreach ($_SESSION['remote'] as $visitor) {
2115 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2116 $contact_id = $visitor['cid'];
2123 if ((local_user() == $item['uid']) || $contact_id || !$interactive) {
2125 // Check if we should do HTML-based delete confirmation
2126 if ($_REQUEST['confirm']) {
2127 // <form> can't take arguments in its "action" parameter
2128 // so add any arguments as hidden inputs
2129 $query = explode_querystring($a->query_string);
2131 foreach ($query['args'] as $arg) {
2132 if (strpos($arg, 'confirm=') === false) {
2133 $arg_parts = explode('=', $arg);
2134 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2138 return replace_macros(get_markup_template('confirm.tpl'), array(
2140 '$message' => t('Do you really want to delete this item?'),
2141 '$extra_inputs' => $inputs,
2142 '$confirm' => t('Yes'),
2143 '$confirm_url' => $query['base'],
2144 '$confirm_name' => 'confirmed',
2145 '$cancel' => t('Cancel'),
2148 // Now check how the user responded to the confirmation query
2149 if ($_REQUEST['canceled']) {
2150 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2153 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2156 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2157 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2158 array('id' => $item['id']));
2160 create_tags_from_item($item['id']);
2161 create_files_from_item($item['id']);
2162 delete_thread($item['id'], $item['parent-uri']);
2164 // clean up categories and tags so they don't end up as orphans
2167 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2169 foreach ($matches as $mtch) {
2170 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2176 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2178 foreach ($matches as $mtch) {
2179 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2184 * If item is a link to a photo resource, nuke all the associated photos
2185 * (visitors will not have photo resources)
2186 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2187 * generate a resource-id and therefore aren't intimately linked to the item.
2189 if (strlen($item['resource-id'])) {
2190 dba::delete('photo', array('resource-id' => $item['resource-id'], 'uid' => $item['uid']));
2193 // If item is a link to an event, nuke the event record.
2194 if (intval($item['event-id'])) {
2195 dba::delete('event', array('id' => $item['event-id'], 'uid' => $item['uid']));
2198 // If item has attachments, drop them
2199 foreach (explode(", ", $item['attach']) as $attach) {
2200 preg_match("|attach/(\d+)|", $attach, $matches);
2201 dba::delete('attach', array('id' => $matches[1], 'uid' => $item['uid']));
2204 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2206 // Creating list of parents
2207 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2208 intval($item['id']),
2209 intval($item['uid'])
2214 foreach ($r as $row) {
2215 if ($parentid != "") {
2219 $parentid .= $row["id"];
2223 if ($parentid != "") {
2224 $r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
2225 $r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2228 // If it's the parent of a comment thread, kill all the kids
2229 if ($item['uri'] == $item['parent-uri']) {
2230 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2231 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2232 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2234 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2235 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2236 delete_thread_uri($item['parent-uri'], $item['uid']);
2237 // ignore the result
2239 // ensure that last-child is set in case the comment that had it just got wiped.
2240 dba::update('item', array('last-child' => false, 'changed' => datetime_convert()),
2241 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2243 // who is the last child now?
2244 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2245 dbesc($item['parent-uri']),
2246 intval($item['uid'])
2248 if (DBM::is_result($r)) {
2249 dba::update('item', array('last-child' => true), array('id' => $r[0]['id']));
2253 // send the notification upstream/downstream
2254 // The priority depends on how the deletion is done.
2255 $drop_id = intval($item['id']);
2256 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2258 Worker::add(array('priority' => $priority, 'dont_fork' => true), "Notifier", "drop", $drop_id);
2260 if (! $interactive) {
2263 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2266 if (! $interactive) {
2269 notice( t('Permission denied.') . EOL);
2270 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2276 /// @todo: This query seems to be really slow
2277 function first_post_date($uid, $wall = false) {
2278 $r = q("SELECT `id`, `created` FROM `item`
2279 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2281 ORDER BY `created` ASC LIMIT 1",
2283 intval($wall ? 1 : 0)
2285 if (DBM::is_result($r)) {
2286 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2287 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2292 /* modified posted_dates() {below} to arrange the list in years */
2293 function list_post_dates($uid, $wall) {
2294 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2296 $dthen = first_post_date($uid, $wall);
2301 // Set the start and end date to the beginning of the month
2302 $dnow = substr($dnow, 0, 8) . '01';
2303 $dthen = substr($dthen, 0, 8) . '01';
2308 * Starting with the current month, get the first and last days of every
2309 * month down to and including the month of the first post
2311 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2312 $dyear = intval(substr($dnow, 0, 4));
2313 $dstart = substr($dnow, 0, 8) . '01';
2314 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2315 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2316 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2317 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2318 if (!$ret[$dyear]) {
2319 $ret[$dyear] = array();
2321 $ret[$dyear][] = array($str, $end_month, $start_month);
2322 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2327 function posted_dates($uid, $wall) {
2328 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2330 $dthen = first_post_date($uid, $wall);
2335 // Set the start and end date to the beginning of the month
2336 $dnow = substr($dnow, 0, 8) . '01';
2337 $dthen = substr($dthen, 0, 8) . '01';
2341 * Starting with the current month, get the first and last days of every
2342 * month down to and including the month of the first post
2344 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2345 $dstart = substr($dnow, 0, 8) . '01';
2346 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2347 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2348 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2349 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2350 $ret[] = array($str, $end_month, $start_month);
2351 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2357 function posted_date_widget($url, $uid, $wall) {
2360 if (! feature_enabled($uid, 'archives')) {
2364 // For former Facebook folks that left because of "timeline"
2366 * @TODO old-lost code?
2367 if ($wall && intval(PConfig::get($uid, 'system', 'no_wall_archive_widget')))
2371 $visible_years = PConfig::get($uid,'system','archive_visible_years');
2372 if (! $visible_years) {
2376 $ret = list_post_dates($uid, $wall);
2378 if (! DBM::is_result($ret)) {
2382 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2383 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2385 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2386 '$title' => t('Archives'),
2387 '$size' => $visible_years,
2388 '$cutoff_year' => $cutoff_year,
2389 '$cutoff' => $cutoff,
2392 '$showmore' => t('show more')