4 * @file include/items.php
8 use Friendica\Core\System;
9 use Friendica\ParseUrl;
10 use Friendica\Util\Lock;
11 use Friendica\Core\Config;
13 require_once 'include/bbcode.php';
14 require_once 'include/oembed.php';
15 require_once 'include/salmon.php';
16 require_once 'include/crypto.php';
17 require_once 'include/Photo.php';
18 require_once 'include/tags.php';
19 require_once 'include/files.php';
20 require_once 'include/text.php';
21 require_once 'include/email.php';
22 require_once 'include/threads.php';
23 require_once 'include/socgraph.php';
24 require_once 'include/plaintext.php';
25 require_once 'include/ostatus.php';
26 require_once 'include/feed.php';
27 require_once 'include/Contact.php';
28 require_once 'mod/share.php';
29 require_once 'include/enotify.php';
30 require_once 'include/dfrn.php';
31 require_once 'include/group.php';
33 /// @TODO one day with composer autoloader no more needed
34 require_once 'library/defuse/php-encryption-1.2.1/Crypto.php';
36 function construct_verb($item) {
45 * The purpose of this function is to apply system message length limits to
46 * imported messages without including any embedded photos in the length
48 if (! function_exists('limit_body_size')) {
49 function limit_body_size($body) {
51 // logger('limit_body_size: start', LOGGER_DEBUG);
53 $maxlen = get_max_import_size();
55 // If the length of the body, including the embedded images, is smaller
56 // than the maximum, then don't waste time looking for the images
57 if ($maxlen && (strlen($body) > $maxlen)) {
59 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
66 $img_start = strpos($orig_body, '[img');
67 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
68 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
69 while (($img_st_close !== false) && ($img_end !== false)) {
71 $img_st_close++; // make it point to AFTER the closing bracket
72 $img_end += $img_start;
73 $img_end += strlen('[/img]');
75 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
76 // This is an embedded image
78 if (($textlen + $img_start) > $maxlen ) {
79 if ($textlen < $maxlen) {
80 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
81 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
85 $new_body = $new_body . substr($orig_body, 0, $img_start);
86 $textlen += $img_start;
89 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
92 if (($textlen + $img_end) > $maxlen ) {
93 if ($textlen < $maxlen) {
94 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
95 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
99 $new_body = $new_body . substr($orig_body, 0, $img_end);
100 $textlen += $img_end;
103 $orig_body = substr($orig_body, $img_end);
105 if ($orig_body === false) {
106 // in case the body ends on a closing image tag
110 $img_start = strpos($orig_body, '[img');
111 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
112 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
115 if (($textlen + strlen($orig_body)) > $maxlen) {
116 if ($textlen < $maxlen) {
117 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
118 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
122 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
123 $new_body = $new_body . $orig_body;
124 $textlen += strlen($orig_body);
133 function title_is_body($title, $body) {
135 $title = strip_tags($title);
136 $title = trim($title);
137 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
138 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
140 $body = strip_tags($body);
142 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
143 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
145 if (strlen($title) < strlen($body)) {
146 $body = substr($body, 0, strlen($title));
149 if (($title != $body) && (substr($title, -3) == "...")) {
150 $pos = strrpos($title, "...");
152 $title = substr($title, 0, $pos);
153 $body = substr($body, 0, $pos);
157 return ($title == $body);
160 function add_page_info_data($data) {
161 call_hooks('page_info_data', $data);
163 // It maybe is a rich content, but if it does have everything that a link has,
164 // then treat it that way
165 if (($data["type"] == "rich") && is_string($data["title"]) &&
166 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
167 $data["type"] = "link";
170 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
174 if ($no_photos && ($data["type"] == "photo")) {
178 if (sizeof($data["images"]) > 0) {
179 $preview = $data["images"][0];
184 // Escape some bad characters
185 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
186 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
188 $text = "[attachment type='".$data["type"]."'";
190 if ($data["text"] == "") {
191 $data["text"] = $data["title"];
194 if ($data["text"] == "") {
195 $data["text"] = $data["url"];
198 if ($data["url"] != "") {
199 $text .= " url='".$data["url"]."'";
202 if ($data["title"] != "") {
203 $text .= " title='".$data["title"]."'";
206 if (sizeof($data["images"]) > 0) {
207 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
208 // if the preview picture is larger than 500 pixels then show it in a larger mode
209 // But only, if the picture isn't higher than large (To prevent huge posts)
210 if (($data["images"][0]["width"] >= 500) && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
211 $text .= " image='".$preview."'";
213 $text .= " preview='".$preview."'";
217 $text .= "]".$data["text"]."[/attachment]";
220 if (isset($data["keywords"]) && count($data["keywords"])) {
222 foreach ($data["keywords"] AS $keyword) {
223 /// @todo make a positive list of allowed characters
224 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
225 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
226 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
230 return "\n".$text.$hashtags;
233 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
235 $data = ParseUrl::getSiteinfoCached($url, true);
238 $data["images"][0]["src"] = $photo;
241 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
243 if (!$keywords && isset($data["keywords"])) {
244 unset($data["keywords"]);
247 if (($keyword_blacklist != "") && isset($data["keywords"])) {
248 $list = explode(", ", $keyword_blacklist);
249 foreach ($list AS $keyword) {
250 $keyword = trim($keyword);
251 $index = array_search($keyword, $data["keywords"]);
252 if ($index !== false) {
253 unset($data["keywords"][$index]);
261 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
262 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
265 if (isset($data["keywords"]) && count($data["keywords"])) {
266 foreach ($data["keywords"] AS $keyword) {
267 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
268 array("", "", "", "", "", ""), $keyword);
274 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
281 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
282 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
284 $text = add_page_info_data($data);
289 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
291 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
293 $URLSearchString = "^\[\]";
295 // Fix for Mastodon where the mentions are in a different format
296 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
297 '$2[url=$1]$3[/url]', $body);
299 // Adding these spaces is a quick hack due to my problems with regular expressions :)
300 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
303 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
306 // Convert urls without bbcode elements
307 if (!$matches && $texturl) {
308 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
310 // Yeah, a hack. I really hate regular expressions :)
312 $matches[1] = $matches[2];
317 $footer = add_page_info($matches[1], $no_photos);
320 // Remove the link from the body if the link is attached at the end of the post
321 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
322 $removedlink = trim(str_replace($matches[1], "", $body));
323 if (($removedlink == "") || strstr($body, $removedlink)) {
324 $body = $removedlink;
327 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
328 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
329 if (($removedlink == "") || strstr($body, $removedlink)) {
330 $body = $removedlink;
334 // Add the page information to the bottom
335 if (isset($footer) && (trim($footer) != "")) {
343 * Adds a "lang" specification in a "postopts" element of given $arr,
344 * if possible and not already present.
345 * Expects "body" element to exist in $arr.
347 * @todo Add a parameter to request forcing override
349 function item_add_language_opt(&$arr) {
351 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
352 // LanguageDetect.php not available ?
356 if (x($arr, 'postopts') ) {
357 if (strstr($arr['postopts'], 'lang=') ) {
359 /// @TODO Add parameter to request overriding
362 $postopts = $arr['postopts'];
367 require_once('library/langdet/Text/LanguageDetect.php');
369 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
370 $l = new Text_LanguageDetect();
371 //$lng = $l->detectConfidence($naked_body);
372 //$arr['postopts'] = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
373 $lng = $l->detect($naked_body, 3);
375 if (sizeof($lng) > 0) {
376 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
377 $postopts .= 'lang=';
379 foreach ($lng as $language => $score) {
380 $postopts .= $sep . $language . ";" . $score;
383 $arr['postopts'] = $postopts;
388 * @brief Creates an unique guid out of a given uri
390 * @param string $uri uri of an item entry
391 * @param string $host (Optional) hostname for the GUID prefix
392 * @return string unique guid
394 function uri_to_guid($uri, $host = "") {
396 // Our regular guid routine is using this kind of prefix as well
397 // We have to avoid that different routines could accidentally create the same value
398 $parsed = parse_url($uri);
400 // When the hostname isn't given, we take it from the uri
402 // Is it in the format data@host.tld?
403 if ((count($parsed) == 1) && strstr($uri, '@')) {
404 $mailparts = explode('@', $uri);
405 $host = array_pop($mailparts);
407 $host = $parsed["host"];
411 // We use a hash of the hostname as prefix for the guid
412 $guid_prefix = hash("crc32", $host);
414 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
415 unset($parsed["scheme"]);
417 // Glue it together to be able to make a hash from it
418 $host_id = implode("/", $parsed);
420 // We could use any hash algorithm since it isn't a security issue
421 $host_hash = hash("ripemd128", $host_id);
423 return $guid_prefix.$host_hash;
427 * @brief Store the conversation data
429 * @param array $arr Item array with conversation data
430 * @return array Item array with removed conversation data
432 function store_conversation($arr) {
433 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
434 $conversation = array('item-uri' => $arr['uri'], 'received' => dbm::date());
436 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
437 $conversation['reply-to-uri'] = $arr['parent-uri'];
439 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
440 $conversation['reply-to-uri'] = $arr['thr-parent'];
443 if (isset($arr['conversation-uri'])) {
444 $conversation['conversation-uri'] = $arr['conversation-uri'];
447 if (isset($arr['conversation-href'])) {
448 $conversation['conversation-href'] = $arr['conversation-href'];
451 if (isset($arr['protocol'])) {
452 $conversation['protocol'] = $arr['protocol'];
455 if (isset($arr['source'])) {
456 $conversation['source'] = $arr['source'];
459 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
460 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
461 if (dbm::is_result($old_conv)) {
462 // Don't update when only the source has changed.
463 // Only do this when there had been no source before.
464 if ($old_conv['source'] != '') {
465 unset($old_conv['source']);
467 // Update structure data all the time but the source only when its from a better protocol.
468 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
469 unset($conversation['protocol']);
470 unset($conversation['source']);
472 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
473 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
476 if (!dba::insert('conversation', $conversation, true)) {
477 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
482 unset($arr['conversation-uri']);
483 unset($arr['conversation-href']);
484 unset($arr['protocol']);
485 unset($arr['source']);
490 /// @TODO add type-hint array
491 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
495 // If it is a posting where users should get notifications, then define it as wall posting
498 $arr['type'] = 'wall';
500 $arr['last-child'] = 1;
501 $arr['network'] = NETWORK_DFRN;
502 $arr['protocol'] = PROTOCOL_DFRN;
504 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
505 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
506 // This is done because our host is the original creator of the post.
507 if (!isset($arr['guid'])) {
508 if (isset($arr['plink'])) {
509 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
510 } elseif (isset($arr['uri'])) {
511 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
518 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
519 $arr['guid'] = uri_to_guid($arr['plink']);
520 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
521 $arr['guid'] = uri_to_guid($arr['uri']);
523 $parsed = parse_url($arr["author-link"]);
524 $guid_prefix = hash("crc32", $parsed["host"]);
527 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
528 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
530 // Store conversation data
531 $arr = store_conversation($arr);
534 * If a Diaspora signature structure was passed in, pull it out of the
535 * item array and set it aside for later storage.
539 if (x($arr, 'dsprsig')) {
540 $encoded_signature = $arr['dsprsig'];
541 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
542 unset($arr['dsprsig']);
545 // Converting the plink
546 /// @todo Check if this is really still needed
547 if ($arr['network'] == NETWORK_OSTATUS) {
548 if (isset($arr['plink'])) {
549 $arr['plink'] = ostatus::convert_href($arr['plink']);
550 } elseif (isset($arr['uri'])) {
551 $arr['plink'] = ostatus::convert_href($arr['uri']);
555 if (x($arr, 'gravity')) {
556 $arr['gravity'] = intval($arr['gravity']);
557 } elseif ($arr['parent-uri'] === $arr['uri']) {
559 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
562 $arr['gravity'] = 6; // extensible catchall
565 if (! x($arr, 'type')) {
566 $arr['type'] = 'remote';
569 $uid = intval($arr['uid']);
571 // check for create date and expire time
572 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
574 $r = dba::select('user', array('expire'), array('uid' => $uid), array("limit" => 1));
575 if (dbm::is_result($r) && ($r['expire'] > 0) && ($r['expire'] < $expire_interval)) {
576 $expire_interval = $r['expire'];
579 if (($expire_interval > 0) && !empty($arr['created'])) {
580 $expire_date = time() - ($expire_interval * 86400);
581 $created_date = strtotime($arr['created']);
582 if ($created_date < $expire_date) {
583 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
589 * Do we already have this item?
590 * We have to check several networks since Friendica posts could be repeated
591 * via OStatus (maybe Diasporsa as well)
593 if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
594 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
595 dbesc(trim($arr['uri'])),
597 dbesc(NETWORK_DIASPORA),
599 dbesc(NETWORK_OSTATUS)
601 if (dbm::is_result($r)) {
602 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
604 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
611 /// @TODO old-lost code?
612 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
613 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
614 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
615 // $arr['body'] = strip_tags($arr['body']);
617 item_add_language_opt($arr);
619 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
620 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
621 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
622 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
623 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
624 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
625 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
626 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
627 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
628 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
629 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
630 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
631 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
632 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
633 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
634 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
635 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
636 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
638 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
639 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
640 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
641 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
642 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
643 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
644 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
645 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
646 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
647 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
648 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
649 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
650 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
651 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
652 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
653 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
654 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
655 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
656 $arr['network'] = ((x($arr, 'network')) ? trim($arr['network']) : '');
657 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
658 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
659 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
660 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
661 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
663 // When there is no content then we don't post it
664 if ($arr['body'].$arr['title'] == '') {
668 // Items cannot be stored before they happen ...
669 if ($arr['created'] > datetime_convert()) {
670 $arr['created'] = datetime_convert();
673 // We haven't invented time travel by now.
674 if ($arr['edited'] > datetime_convert()) {
675 $arr['edited'] = datetime_convert();
678 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
679 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
682 if ($arr['plink'] == "") {
683 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
686 if ($arr['network'] == "") {
687 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
688 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
689 dbesc(normalise_link($arr['author-link'])),
693 if (!dbm::is_result($r))
694 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
695 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
696 dbesc(normalise_link($arr['author-link']))
699 if (!dbm::is_result($r)) {
700 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
701 intval($arr['contact-id']),
706 if (dbm::is_result($r)) {
707 $arr['network'] = $r[0]["network"];
710 // Fallback to friendica (why is it empty in some cases?)
711 if ($arr['network'] == "") {
712 $arr['network'] = NETWORK_DFRN;
715 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
718 // The contact-id should be set before "item_store" was called - but there seems to be some issues
719 if ($arr["contact-id"] == 0) {
721 * First we are looking for a suitable contact that matches with the author of the post
722 * This is done only for comments (See below explanation at "gcontact-id")
724 if ($arr['parent-uri'] != $arr['uri']) {
725 $arr["contact-id"] = get_contact($arr['author-link'], $uid);
728 // If not present then maybe the owner was found
729 if ($arr["contact-id"] == 0) {
730 $arr["contact-id"] = get_contact($arr['owner-link'], $uid);
733 // Still missing? Then use the "self" contact of the current user
734 if ($arr["contact-id"] == 0) {
735 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
737 if (dbm::is_result($r)) {
738 $arr["contact-id"] = $r[0]["id"];
742 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
745 if ($arr["gcontact-id"] == 0) {
747 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
748 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
749 * On comments the author is the better choice.
751 if ($arr['parent-uri'] === $arr['uri']) {
752 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['owner-link'], "network" => $arr['network'],
753 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
755 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['author-link'], "network" => $arr['network'],
756 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
760 if ($arr["author-id"] == 0) {
761 $arr["author-id"] = get_contact($arr["author-link"], 0);
764 if (blockedContact($arr["author-id"])) {
765 logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
769 if ($arr["owner-id"] == 0) {
770 $arr["owner-id"] = get_contact($arr["owner-link"], 0);
773 if (blockedContact($arr["owner-id"])) {
774 logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
778 if ($arr['guid'] != "") {
779 // Checking if there is already an item with the same guid
780 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
781 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
782 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
784 if (dbm::is_result($r)) {
785 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
790 // Check for hashtags in the body and repair or add hashtag links
791 item_body_set_hashtags($arr);
793 $arr['thr-parent'] = $arr['parent-uri'];
795 if ($arr['parent-uri'] === $arr['uri']) {
798 $allow_cid = $arr['allow_cid'];
799 $allow_gid = $arr['allow_gid'];
800 $deny_cid = $arr['deny_cid'];
801 $deny_gid = $arr['deny_gid'];
802 $notify_type = 'wall-new';
805 // find the parent and snarf the item id and ACLs
806 // and anything else we need to inherit
808 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
809 dbesc($arr['parent-uri']),
813 if (dbm::is_result($r)) {
815 // is the new message multi-level threaded?
816 // even though we don't support it now, preserve the info
817 // and re-attach to the conversation parent.
819 if ($r[0]['uri'] != $r[0]['parent-uri']) {
820 $arr['parent-uri'] = $r[0]['parent-uri'];
821 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
822 ORDER BY `id` ASC LIMIT 1",
823 dbesc($r[0]['parent-uri']),
824 dbesc($r[0]['parent-uri']),
828 if (dbm::is_result($z)) {
833 $parent_id = $r[0]['id'];
834 $parent_deleted = $r[0]['deleted'];
835 $allow_cid = $r[0]['allow_cid'];
836 $allow_gid = $r[0]['allow_gid'];
837 $deny_cid = $r[0]['deny_cid'];
838 $deny_gid = $r[0]['deny_gid'];
839 $arr['wall'] = $r[0]['wall'];
840 $notify_type = 'comment-new';
843 * If the parent is private, force privacy for the entire conversation
844 * This differs from the above settings as it subtly allows comments from
845 * email correspondents to be private even if the overall thread is not.
847 if ($r[0]['private']) {
848 $arr['private'] = $r[0]['private'];
852 * Edge case. We host a public forum that was originally posted to privately.
853 * The original author commented, but as this is a comment, the permissions
854 * weren't fixed up so it will still show the comment as private unless we fix it here.
856 if ((intval($r[0]['forum_mode']) == 1) && (! $r[0]['private'])) {
860 // If its a post from myself then tag the thread as "mention"
861 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
862 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
863 if (dbm::is_result($u)) {
865 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
866 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
867 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
868 dba::update('thread', array('mention' => true), array('iid' => $parent_id));
869 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
874 * Allow one to see reply tweets from status.net even when
875 * we don't have or can't see the original post.
878 logger('item_store: $force_parent=true, reply converted to top-level post.');
880 $arr['parent-uri'] = $arr['uri'];
883 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
891 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
893 dbesc($arr['network']),
897 if (dbm::is_result($r)) {
898 logger('duplicated item with the same uri found. '.print_r($arr,true));
902 // On Friendica and Diaspora the GUID is unique
903 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
904 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
908 if (dbm::is_result($r)) {
909 logger('duplicated item with the same guid found. '.print_r($arr,true));
913 // Check for an existing post with the same content. There seems to be a problem with OStatus.
914 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
916 dbesc($arr['network']),
917 dbesc($arr['created']),
918 intval($arr['contact-id']),
921 if (dbm::is_result($r)) {
922 logger('duplicated item with the same body found. '.print_r($arr,true));
927 // Is this item available in the global items (with uid=0)?
928 if ($arr["uid"] == 0) {
929 $arr["global"] = true;
931 // Set the global flag on all items if this was a global item entry
932 dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
934 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
936 $arr["global"] = (dbm::is_result($isglobal) && count($isglobal) > 0);
940 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
943 $private = $arr['private'];
946 $arr["allow_cid"] = $allow_cid;
947 $arr["allow_gid"] = $allow_gid;
948 $arr["deny_cid"] = $deny_cid;
949 $arr["deny_gid"] = $deny_gid;
950 $arr["private"] = $private;
951 $arr["deleted"] = $parent_deleted;
953 // Fill the cache field
954 put_item_in_cache($arr);
957 call_hooks('post_local', $arr);
959 call_hooks('post_remote', $arr);
962 // This array field is used to trigger some automatic reactions
963 // It is mainly used in the "post_local" hook.
964 unset($arr['api_source']);
966 if (x($arr, 'cancel')) {
967 logger('item_store: post cancelled by plugin.');
972 * Check for already added items.
973 * There is a timing issue here that sometimes creates double postings.
974 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
976 if ($arr["uid"] == 0) {
977 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
978 if (dbm::is_result($r)) {
979 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
984 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
987 $r = dba::insert('item', $arr);
989 // When the item was successfully stored we fetch the ID of the item.
990 if (dbm::is_result($r)) {
991 $current_post = dba::lastInsertId();
993 // This can happen - for example - if there are locking timeouts.
996 // Store the data into a spool file so that we can try again later.
998 // At first we restore the Diaspora signature that we removed above.
999 if (isset($encoded_signature)) {
1000 $arr['dsprsig'] = $encoded_signature;
1003 // Now we store the data in the spool directory
1004 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1005 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1007 $spoolpath = get_spoolpath();
1008 if ($spoolpath != "") {
1009 $spool = $spoolpath.'/'.$file;
1010 file_put_contents($spool, json_encode($arr));
1011 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1016 if ($current_post == 0) {
1017 // This is one of these error messages that never should occur.
1018 logger("couldn't find created item - we better quit now.");
1023 // How much entries have we created?
1024 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1025 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1027 intval($arr['uid']),
1028 dbesc($arr['network'])
1031 if (!dbm::is_result($r)) {
1032 // This shouldn't happen, since COUNT always works when the database connection is there.
1033 logger("We couldn't count the stored entries. Very strange ...");
1038 if ($r[0]["entries"] > 1) {
1039 // There are duplicates. We delete our just created entry.
1040 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1042 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1043 dba::delete('item', array('id' => $current_post));
1046 } elseif ($r[0]["entries"] == 0) {
1047 // This really should never happen since we quit earlier if there were problems.
1048 logger("Something is terribly wrong. We haven't found our created entry.");
1053 logger('item_store: created item '.$current_post);
1054 item_set_last_item($arr);
1056 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1057 $parent_id = $current_post;
1061 $r = dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
1063 $arr['id'] = $current_post;
1064 $arr['parent'] = $parent_id;
1066 // update the commented timestamp on the parent
1067 // Only update "commented" if it is really a comment
1068 if (($arr['verb'] == ACTIVITY_POST) || !get_config("system", "like_no_comment")) {
1069 dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
1071 dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
1077 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1078 * We can check for this condition when we decode and encode the stuff again.
1080 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1081 $dsprsig->signature = base64_decode($dsprsig->signature);
1082 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1085 dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1086 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
1089 $deleted = tag_deliver($arr['uid'], $current_post);
1092 * current post can be deleted if is for a community page and no mention are
1095 if (!$deleted && !$dontcache) {
1097 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1098 if ((dbm::is_result($r)) && (count($r) == 1)) {
1100 call_hooks('post_local_end', $r[0]);
1102 call_hooks('post_remote_end', $r[0]);
1105 logger('item_store: new item not found in DB, id ' . $current_post);
1109 if ($arr['parent-uri'] === $arr['uri']) {
1110 add_thread($current_post);
1112 update_thread($parent_id);
1118 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1119 * This is not perfect - but a workable solution until we found the reason for the problem.
1121 create_tags_from_item($current_post);
1122 create_files_from_item($current_post);
1125 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1126 * It is done after the transaction to avoid dead locks.
1128 if ($arr['last-child']) {
1129 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1131 intval($arr['uid']),
1132 intval($current_post)
1136 if ($arr['parent-uri'] === $arr['uri']) {
1137 add_shadow_thread($current_post);
1139 add_shadow_entry($current_post);
1142 check_item_notification($current_post, $uid);
1145 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/notifier.php", $notify_type, $current_post);
1148 return $current_post;
1152 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1154 * This can be used to filter for inactive contacts.
1155 * Only do this for public postings to avoid privacy problems, since poco data is public.
1156 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1158 * @param array $arr Contains the just posted item record
1160 function item_set_last_item($arr) {
1162 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1164 // Is it a forum? Then we don't care about the rules from above
1165 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1166 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1167 intval($arr['contact-id']));
1168 if (dbm::is_result($isforum)) {
1174 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1175 array('id' => $arr['contact-id']));
1177 // Now do the same for the system wide contacts with uid=0
1178 if (!$arr['private']) {
1179 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1180 array('id' => $arr['owner-id']));
1182 if ($arr['owner-id'] != $arr['author-id']) {
1183 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1184 array('id' => $arr['author-id']));
1189 function item_body_set_hashtags(&$item) {
1191 $tags = get_tags($item["body"]);
1194 if (!count($tags)) {
1198 // This sorting is important when there are hashtags that are part of other hashtags
1199 // Otherwise there could be problems with hashtags like #test and #test2
1204 $URLSearchString = "^\[\]";
1206 // All hashtags should point to the home server if "local_tags" is activated
1207 if (Config::get('system', 'local_tags')) {
1208 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1209 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1211 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1212 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1215 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1216 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1218 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1221 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1223 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1226 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1228 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1231 // Repair recursive urls
1232 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1233 "#$2", $item["body"]);
1235 foreach ($tags as $tag) {
1236 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1240 $basetag = str_replace('_',' ',substr($tag,1));
1242 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1244 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1246 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1247 if (strlen($item["tag"])) {
1248 $item["tag"] = ','.$item["tag"];
1250 $item["tag"] = $newtag.$item["tag"];
1254 // Convert back the masked hashtags
1255 $item["body"] = str_replace("#", "#", $item["body"]);
1258 function get_item_guid($id) {
1259 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1260 if (dbm::is_result($r)) {
1261 return $r[0]["guid"];
1263 /// @TODO This else-block can be elimited again
1268 function get_item_id($guid, $uid = 0) {
1274 $uid == local_user();
1277 // Does the given user have this item?
1279 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1280 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1281 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1282 if (dbm::is_result($r)) {
1284 $nick = $r[0]["nickname"];
1288 // Or is it anywhere on the server?
1290 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1291 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1292 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1293 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1294 AND `item`.`private` = 0 AND `item`.`wall` = 1
1295 AND `item`.`guid` = '%s'", dbesc($guid));
1296 if (dbm::is_result($r)) {
1298 $nick = $r[0]["nickname"];
1301 return array("nick" => $nick, "id" => $id);
1305 function get_item_contact($item, $contacts) {
1306 if (! count($contacts) || (! is_array($item))) {
1309 foreach ($contacts as $contact) {
1310 if ($contact['id'] == $item['contact-id']) {
1312 break; // NOTREACHED
1319 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1321 * @param int $item_id
1322 * @return bool true if item was deleted, else false
1324 function tag_deliver($uid, $item_id) {
1330 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1334 if (! dbm::is_result($u)) {
1338 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1339 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1342 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1346 if (! dbm::is_result($i)) {
1352 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1355 * Diaspora uses their own hardwired link URL in @-tags
1356 * instead of the one we supply with webfinger
1358 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1360 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1362 foreach ($matches as $mtch) {
1363 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1365 logger('tag_deliver: mention found: ' . $mtch[2]);
1371 if (($community_page || $prvgroup) &&
1372 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1373 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1375 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1376 dba::delete('item', array('id' => $item_id));
1382 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1384 call_hooks('tagged', $arr);
1386 if ((! $community_page) && (! $prvgroup)) {
1391 * tgroup delivery - setup a second delivery chain
1392 * prevent delivery looping - only proceed
1393 * if the message originated elsewhere and is a top-level post
1395 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1399 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1400 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1401 intval($u[0]['uid'])
1403 if (! dbm::is_result($c)) {
1407 // also reset all the privacy bits to the forum default permissions
1409 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1411 $forum_mode = (($prvgroup) ? 2 : 1);
1413 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1414 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1415 intval($forum_mode),
1416 dbesc($c[0]['name']),
1417 dbesc($c[0]['url']),
1418 dbesc($c[0]['thumb']),
1420 dbesc($u[0]['allow_cid']),
1421 dbesc($u[0]['allow_gid']),
1422 dbesc($u[0]['deny_cid']),
1423 dbesc($u[0]['deny_gid']),
1426 update_thread($item_id);
1428 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'include/notifier.php', 'tgroup', $item_id);
1434 function tgroup_check($uid, $item) {
1438 // check that the message originated elsewhere and is a top-level post
1440 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1444 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1445 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1448 if (! dbm::is_result($u)) {
1452 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1453 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1455 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1458 * Diaspora uses their own hardwired link URL in @-tags
1459 * instead of the one we supply with webfinger
1461 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1463 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1465 foreach ($matches as $mtch) {
1466 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1468 logger('tgroup_check: mention found: ' . $mtch[2]);
1477 /// @TODO Combine both return statements into one
1478 return (($community_page) || ($prvgroup));
1482 * This function returns true if $update has an edited timestamp newer
1483 * than $existing, i.e. $update contains new data which should override
1484 * what's already there. If there is no timestamp yet, the update is
1485 * assumed to be newer. If the update has no timestamp, the existing
1486 * item is assumed to be up-to-date. If the timestamps are equal it
1487 * assumes the update has been seen before and should be ignored.
1489 * @todo fix type-hints (both array)
1491 function edited_timestamp_is_newer($existing, $update) {
1492 if (!x($existing, 'edited') || !$existing['edited']) {
1495 if (!x($update, 'edited') || !$update['edited']) {
1499 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1500 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1501 return (strcmp($existing_edited, $update_edited) < 0);
1506 * consume_feed - process atom feed and update anything/everything we might need to update
1508 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1510 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1511 * It is this person's stuff that is going to be updated.
1512 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1513 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1514 * have a contact record.
1515 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1516 * might not) try and subscribe to it.
1517 * $datedir sorts in reverse order
1518 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1519 * imported prior to its children being seen in the stream unless we are certain
1520 * of how the feed is arranged/ordered.
1521 * With $pass = 1, we only pull parent items out of the stream.
1522 * With $pass = 2, we only pull children (comments/likes).
1524 * So running this twice, first with pass 1 and then with pass 2 will do the right
1525 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1526 * model where comments can have sub-threads. That would require some massive sorting
1527 * to get all the feed items into a mostly linear ordering, and might still require
1530 * @todo find proper type-hints
1532 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1533 if ($contact['network'] === NETWORK_OSTATUS) {
1535 // Test - remove before flight
1536 //$tempfile = tempnam(get_temppath(), "ostatus2");
1537 //file_put_contents($tempfile, $xml);
1538 logger("Consume OStatus messages ", LOGGER_DEBUG);
1539 ostatus::import($xml, $importer, $contact, $hub);
1544 if ($contact['network'] === NETWORK_FEED) {
1546 logger("Consume feeds", LOGGER_DEBUG);
1547 feed_import($xml, $importer, $contact, $hub);
1552 if ($contact['network'] === NETWORK_DFRN) {
1553 logger("Consume DFRN messages", LOGGER_DEBUG);
1555 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1556 `contact`.`pubkey` AS `cpubkey`,
1557 `contact`.`prvkey` AS `cprvkey`,
1558 `contact`.`thumb` AS `thumb`,
1559 `contact`.`url` as `url`,
1560 `contact`.`name` as `senderName`,
1563 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1564 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1565 dbesc($contact["id"]), dbesc($importer["uid"])
1567 if (dbm::is_result($r)) {
1568 logger("Now import the DFRN feed");
1569 dfrn::import($xml, $r[0], true);
1575 /// @TODO type-hint is array
1576 function item_is_remote_self($contact, &$datarray) {
1579 if (!$contact['remote_self']) {
1583 // Prevent the forwarding of posts that are forwarded
1584 if ($datarray["extid"] == NETWORK_DFRN) {
1588 // Prevent to forward already forwarded posts
1589 if ($datarray["app"] == $a->get_hostname()) {
1593 // Only forward posts
1594 if ($datarray["verb"] != ACTIVITY_POST) {
1598 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1602 $datarray2 = $datarray;
1603 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1604 if ($contact['remote_self'] == 2) {
1605 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1606 intval($contact['uid']));
1607 if (dbm::is_result($r)) {
1608 $datarray['contact-id'] = $r[0]["id"];
1610 $datarray['owner-name'] = $r[0]["name"];
1611 $datarray['owner-link'] = $r[0]["url"];
1612 $datarray['owner-avatar'] = $r[0]["thumb"];
1614 $datarray['author-name'] = $datarray['owner-name'];
1615 $datarray['author-link'] = $datarray['owner-link'];
1616 $datarray['author-avatar'] = $datarray['owner-avatar'];
1618 unset($datarray['created']);
1619 unset($datarray['edited']);
1622 if ($contact['network'] != NETWORK_FEED) {
1623 $datarray["guid"] = get_guid(32);
1624 unset($datarray["plink"]);
1625 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1626 $datarray["parent-uri"] = $datarray["uri"];
1627 $datarray["extid"] = $contact['network'];
1628 $urlpart = parse_url($datarray2['author-link']);
1629 $datarray["app"] = $urlpart["host"];
1631 $datarray['private'] = 0;
1635 if ($contact['network'] != NETWORK_FEED) {
1636 // Store the original post
1637 $r = item_store($datarray2, false, false);
1638 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1640 $datarray["app"] = "Feed";
1643 // Trigger automatic reactions for addons
1644 $datarray['api_source'] = true;
1646 // We have to tell the hooks who we are - this really should be improved
1647 $_SESSION["authenticated"] = true;
1648 $_SESSION["uid"] = $contact['uid'];
1653 /// @TODO find proper type-hints
1654 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1655 $url = notags(trim($datarray['author-link']));
1656 $name = notags(trim($datarray['author-name']));
1657 $photo = notags(trim($datarray['author-avatar']));
1659 if (is_object($item)) {
1660 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1661 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1662 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1668 if (is_array($contact)) {
1669 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1670 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1671 $r = dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
1672 array('id' => $contact['id'], 'uid' => $importer['uid']));
1674 // send email notification to owner?
1677 // create contact record
1679 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1680 `blocked`, `readonly`, `pending`, `writable`)
1681 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1682 intval($importer['uid']),
1683 dbesc(datetime_convert()),
1685 dbesc(normalise_link($url)),
1689 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1690 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1692 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1693 intval($importer['uid']),
1696 if (dbm::is_result($r)) {
1697 $contact_record = $r[0];
1698 update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
1701 /// @TODO Encapsulate this into a function/method
1702 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1703 intval($importer['uid'])
1706 if (dbm::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1708 // create notification
1709 $hash = random_string();
1711 if (is_array($contact_record)) {
1712 dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
1713 'blocked' => false, 'knowyou' => false,
1714 'hash' => $hash, 'datetime' => datetime_convert()));
1717 $def_gid = get_default_group($importer['uid'], $contact_record["network"]);
1719 if (intval($def_gid)) {
1720 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
1723 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1724 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1727 'type' => NOTIFY_INTRO,
1728 'notify_flags' => $r[0]['notify-flags'],
1729 'language' => $r[0]['language'],
1730 'to_name' => $r[0]['username'],
1731 'to_email' => $r[0]['email'],
1732 'uid' => $r[0]['uid'],
1733 'link' => System::baseUrl() . '/notifications/intro',
1734 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1735 'source_link' => $contact_record['url'],
1736 'source_photo' => $contact_record['photo'],
1737 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1742 } elseif (dbm::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
1743 $r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1744 intval($importer['uid']),
1752 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1754 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1755 dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
1757 contact_remove($contact['id']);
1761 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1763 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1764 dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
1766 contact_remove($contact['id']);
1770 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1774 if (is_array($importer)) {
1775 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1776 intval($importer['uid'])
1781 * Diaspora has different message-ids in feeds than they do
1782 * through the direct Diaspora protocol. If we try and use
1783 * the feed, we'll get duplicates. So don't.
1785 if ((! dbm::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1789 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1791 // Use a single verify token, even if multiple hubs
1792 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1794 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1796 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1798 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1799 $r = dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
1802 post_url($url, $params);
1804 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1810 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1812 if (get_config('system','disable_embedded')) {
1818 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1819 $site = substr(System::baseUrl(),strpos(System::baseUrl(),'://'));
1824 $img_start = strpos($orig_body, '[img');
1825 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1826 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1827 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1829 $img_st_close++; // make it point to AFTER the closing bracket
1830 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1832 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1835 if (stristr($image , $site . '/photo/')) {
1836 // Only embed locally hosted photos
1838 $i = basename($image);
1839 $i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
1840 $x = strpos($i, '-');
1843 $res = substr($i, $x + 1);
1844 $i = substr($i, 0, $x);
1845 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1851 if (dbm::is_result($r)) {
1853 * Check to see if we should replace this photo link with an embedded image
1854 * 1. No need to do so if the photo is public
1855 * 2. If there's a contact-id provided, see if they're in the access list
1856 * for the photo. If so, embed it.
1857 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1858 * permissions, regardless of order but first check to see if they're an exact
1859 * match to save some processing overhead.
1861 if (has_permissions($r[0])) {
1863 $recips = enumerate_permissions($r[0]);
1864 if (in_array($cid, $recips)) {
1868 if (compare_permissions($item, $r[0])) {
1874 $data = $r[0]['data'];
1875 $type = $r[0]['type'];
1877 // If a custom width and height were specified, apply before embedding
1878 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1879 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1881 $width = intval($match[1]);
1882 $height = intval($match[2]);
1884 $ph = new Photo($data, $type);
1885 if ($ph->is_valid()) {
1886 $ph->scaleImage(max($width, $height));
1887 $data = $ph->imageString();
1888 $type = $ph->getType();
1892 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1893 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1894 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1900 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1901 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1902 if ($orig_body === false) {
1906 $img_start = strpos($orig_body, '[img');
1907 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1908 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1911 $new_body = $new_body . $orig_body;
1916 /// @TODO type-hint is array
1917 function has_permissions($obj) {
1920 x($obj, 'allow_cid')
1922 x($obj, 'allow_gid')
1931 /// @TODO type-hint is array
1932 function compare_permissions($obj1, $obj2) {
1933 // first part is easy. Check that these are exactly the same.
1934 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1935 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1936 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1937 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1941 // This is harder. Parse all the permissions and compare the resulting set.
1942 $recipients1 = enumerate_permissions($obj1);
1943 $recipients2 = enumerate_permissions($obj2);
1947 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1948 return ($recipients1 == $recipients2);
1951 // returns an array of contact-ids that are allowed to see this object
1952 /// @TODO type-hint is array
1953 function enumerate_permissions($obj) {
1954 $allow_people = expand_acl($obj['allow_cid']);
1955 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1956 $deny_people = expand_acl($obj['deny_cid']);
1957 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1958 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1959 $deny = array_unique(array_merge($deny_people, $deny_groups));
1960 $recipients = array_diff($recipients, $deny);
1964 function item_getfeedtags($item) {
1967 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1969 for ($x = 0; $x < $cnt; $x ++) {
1970 if ($matches[1][$x]) {
1971 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1976 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1978 for ($x = 0; $x < $cnt; $x ++) {
1979 if ($matches[1][$x]) {
1980 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1987 function item_expire($uid, $days, $network = "", $force = false) {
1989 if ((! $uid) || ($days < 1)) {
1994 * $expire_network_only = save your own wall posts
1995 * and just expire conversations started by others
1997 $expire_network_only = get_pconfig($uid,'expire', 'network_only');
1998 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
2000 if ($network != "") {
2001 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2004 * There is an index "uid_network_received" but not "uid_network_created"
2005 * This avoids the creation of another index just for one purpose.
2006 * And it doesn't really matter wether to look at "received" or "created"
2008 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2010 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2013 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2014 WHERE `uid` = %d $range
2022 if (! dbm::is_result($r)) {
2026 $expire_items = get_pconfig($uid, 'expire', 'items');
2027 $expire_items = (($expire_items === false) ? 1 : intval($expire_items)); // default if not set: 1
2029 // Forcing expiring of items - but not notes and marked items
2031 $expire_items = true;
2034 $expire_notes = get_pconfig($uid, 'expire', 'notes');
2035 $expire_notes = (($expire_notes === false) ? 1 : intval($expire_notes)); // default if not set: 1
2037 $expire_starred = get_pconfig($uid, 'expire', 'starred');
2038 $expire_starred = (($expire_starred === false) ? 1 : intval($expire_starred)); // default if not set: 1
2040 $expire_photos = get_pconfig($uid, 'expire', 'photos');
2041 $expire_photos = (($expire_photos === false) ? 0 : intval($expire_photos)); // default if not set: 0
2043 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2045 foreach ($r as $item) {
2047 // don't expire filed items
2049 if (strpos($item['file'],'[') !== false) {
2053 // Only expire posts, not photos and photo comments
2055 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2057 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2059 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2061 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2065 drop_item($item['id'], false);
2068 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2072 /// @TODO type-hint is array
2073 function drop_items($items) {
2076 if (! local_user() && ! remote_user()) {
2080 if (count($items)) {
2081 foreach ($items as $item) {
2082 $owner = drop_item($item,false);
2083 if ($owner && ! $uid)
2088 // multiple threads may have been deleted, send an expire notification
2091 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2096 function drop_item($id, $interactive = true) {
2100 // locate item to be deleted
2102 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2106 if (! dbm::is_result($r)) {
2107 if (! $interactive) {
2110 notice( t('Item not found.') . EOL);
2111 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2116 if ($item['deleted']) {
2120 $owner = $item['uid'];
2124 // check if logged in user is either the author or owner of this item
2126 if (is_array($_SESSION['remote'])) {
2127 foreach ($_SESSION['remote'] as $visitor) {
2128 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2129 $contact_id = $visitor['cid'];
2136 if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
2138 // Check if we should do HTML-based delete confirmation
2139 if ($_REQUEST['confirm']) {
2140 // <form> can't take arguments in its "action" parameter
2141 // so add any arguments as hidden inputs
2142 $query = explode_querystring($a->query_string);
2144 foreach ($query['args'] as $arg) {
2145 if (strpos($arg, 'confirm=') === false) {
2146 $arg_parts = explode('=', $arg);
2147 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2151 return replace_macros(get_markup_template('confirm.tpl'), array(
2153 '$message' => t('Do you really want to delete this item?'),
2154 '$extra_inputs' => $inputs,
2155 '$confirm' => t('Yes'),
2156 '$confirm_url' => $query['base'],
2157 '$confirm_name' => 'confirmed',
2158 '$cancel' => t('Cancel'),
2161 // Now check how the user responded to the confirmation query
2162 if ($_REQUEST['canceled']) {
2163 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2166 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2169 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2170 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2171 array('id' => $item['id']));
2173 create_tags_from_item($item['id']);
2174 create_files_from_item($item['id']);
2175 delete_thread($item['id'], $item['parent-uri']);
2177 // clean up categories and tags so they don't end up as orphans
2180 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2182 foreach ($matches as $mtch) {
2183 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2189 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2191 foreach ($matches as $mtch) {
2192 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2197 * If item is a link to a photo resource, nuke all the associated photos
2198 * (visitors will not have photo resources)
2199 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2200 * generate a resource-id and therefore aren't intimately linked to the item.
2202 if (strlen($item['resource-id'])) {
2203 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
2204 dbesc($item['resource-id']),
2205 intval($item['uid'])
2207 // ignore the result
2210 // If item is a link to an event, nuke the event record.
2211 if (intval($item['event-id'])) {
2212 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
2213 intval($item['event-id']),
2214 intval($item['uid'])
2216 // ignore the result
2219 // If item has attachments, drop them
2220 foreach (explode(", ", $item['attach']) as $attach) {
2221 preg_match("|attach/(\d+)|", $attach, $matches);
2222 q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
2223 intval($matches[1]),
2226 // ignore the result
2229 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2231 // Creating list of parents
2232 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2233 intval($item['id']),
2234 intval($item['uid'])
2239 foreach ($r as $row) {
2240 if ($parentid != "") {
2244 $parentid .= $row["id"];
2248 if ($parentid != "") {
2249 $r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
2250 $r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2253 // If it's the parent of a comment thread, kill all the kids
2254 if ($item['uri'] == $item['parent-uri']) {
2255 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2256 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2257 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2259 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2260 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2261 delete_thread_uri($item['parent-uri'], $item['uid']);
2262 // ignore the result
2264 // ensure that last-child is set in case the comment that had it just got wiped.
2265 dba::update('item', array('last-child' => false, 'changed' => datetime_convert()),
2266 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2268 // who is the last child now?
2269 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2270 dbesc($item['parent-uri']),
2271 intval($item['uid'])
2273 if (dbm::is_result($r)) {
2274 dba::update('item', array('last-child' => true), array('id' => $r[0]['id']));
2278 // send the notification upstream/downstream
2279 // The priority depends on how the deletion is done.
2280 $drop_id = intval($item['id']);
2281 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2283 proc_run(array('priority' => $priority, 'dont_fork' => true), "include/notifier.php", "drop", $drop_id);
2285 if (! $interactive) {
2288 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2291 if (! $interactive) {
2294 notice( t('Permission denied.') . EOL);
2295 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2301 /// @todo: This query seems to be really slow
2302 function first_post_date($uid, $wall = false) {
2303 $r = q("SELECT `id`, `created` FROM `item`
2304 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2306 ORDER BY `created` ASC LIMIT 1",
2308 intval($wall ? 1 : 0)
2310 if (dbm::is_result($r)) {
2311 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2312 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2317 /* modified posted_dates() {below} to arrange the list in years */
2318 function list_post_dates($uid, $wall) {
2319 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2321 $dthen = first_post_date($uid, $wall);
2326 // Set the start and end date to the beginning of the month
2327 $dnow = substr($dnow, 0, 8) . '01';
2328 $dthen = substr($dthen, 0, 8) . '01';
2333 * Starting with the current month, get the first and last days of every
2334 * month down to and including the month of the first post
2336 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2337 $dyear = intval(substr($dnow, 0, 4));
2338 $dstart = substr($dnow, 0, 8) . '01';
2339 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2340 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2341 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2342 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2343 if (!$ret[$dyear]) {
2344 $ret[$dyear] = array();
2346 $ret[$dyear][] = array($str, $end_month, $start_month);
2347 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2352 function posted_dates($uid, $wall) {
2353 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2355 $dthen = first_post_date($uid, $wall);
2360 // Set the start and end date to the beginning of the month
2361 $dnow = substr($dnow, 0, 8) . '01';
2362 $dthen = substr($dthen, 0, 8) . '01';
2366 * Starting with the current month, get the first and last days of every
2367 * month down to and including the month of the first post
2369 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2370 $dstart = substr($dnow, 0, 8) . '01';
2371 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2372 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2373 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2374 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2375 $ret[] = array($str, $end_month, $start_month);
2376 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2382 function posted_date_widget($url, $uid, $wall) {
2385 if (! feature_enabled($uid, 'archives')) {
2389 // For former Facebook folks that left because of "timeline"
2391 * @TODO old-lost code?
2392 if ($wall && intval(get_pconfig($uid, 'system', 'no_wall_archive_widget')))
2396 $visible_years = get_pconfig($uid,'system','archive_visible_years');
2397 if (! $visible_years) {
2401 $ret = list_post_dates($uid, $wall);
2403 if (! dbm::is_result($ret)) {
2407 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2408 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2410 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2411 '$title' => t('Archives'),
2412 '$size' => $visible_years,
2413 '$cutoff_year' => $cutoff_year,
2414 '$cutoff' => $cutoff,
2417 '$showmore' => t('show more')