4 * @file include/items.php
8 use Friendica\ParseUrl;
9 use Friendica\Util\Lock;
11 require_once 'include/bbcode.php';
12 require_once 'include/oembed.php';
13 require_once 'include/salmon.php';
14 require_once 'include/crypto.php';
15 require_once 'include/Photo.php';
16 require_once 'include/tags.php';
17 require_once 'include/files.php';
18 require_once 'include/text.php';
19 require_once 'include/email.php';
20 require_once 'include/threads.php';
21 require_once 'include/socgraph.php';
22 require_once 'include/plaintext.php';
23 require_once 'include/ostatus.php';
24 require_once 'include/feed.php';
25 require_once 'include/Contact.php';
26 require_once 'mod/share.php';
27 require_once 'include/enotify.php';
28 require_once 'include/dfrn.php';
29 require_once 'include/group.php';
31 /// @TODO one day with composer autoloader no more needed
32 require_once 'library/defuse/php-encryption-1.2.1/Crypto.php';
34 function construct_verb($item) {
43 * The purpose of this function is to apply system message length limits to
44 * imported messages without including any embedded photos in the length
46 if (! function_exists('limit_body_size')) {
47 function limit_body_size($body) {
49 // logger('limit_body_size: start', LOGGER_DEBUG);
51 $maxlen = get_max_import_size();
53 // If the length of the body, including the embedded images, is smaller
54 // than the maximum, then don't waste time looking for the images
55 if ($maxlen && (strlen($body) > $maxlen)) {
57 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
64 $img_start = strpos($orig_body, '[img');
65 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
66 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
67 while (($img_st_close !== false) && ($img_end !== false)) {
69 $img_st_close++; // make it point to AFTER the closing bracket
70 $img_end += $img_start;
71 $img_end += strlen('[/img]');
73 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
74 // This is an embedded image
76 if (($textlen + $img_start) > $maxlen ) {
77 if ($textlen < $maxlen) {
78 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
79 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
83 $new_body = $new_body . substr($orig_body, 0, $img_start);
84 $textlen += $img_start;
87 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
90 if (($textlen + $img_end) > $maxlen ) {
91 if ($textlen < $maxlen) {
92 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
93 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
97 $new_body = $new_body . substr($orig_body, 0, $img_end);
101 $orig_body = substr($orig_body, $img_end);
103 if ($orig_body === false) {
104 // in case the body ends on a closing image tag
108 $img_start = strpos($orig_body, '[img');
109 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
110 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
113 if (($textlen + strlen($orig_body)) > $maxlen) {
114 if ($textlen < $maxlen) {
115 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
116 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
120 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
121 $new_body = $new_body . $orig_body;
122 $textlen += strlen($orig_body);
131 function title_is_body($title, $body) {
133 $title = strip_tags($title);
134 $title = trim($title);
135 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
136 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
138 $body = strip_tags($body);
140 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
141 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
143 if (strlen($title) < strlen($body)) {
144 $body = substr($body, 0, strlen($title));
147 if (($title != $body) && (substr($title, -3) == "...")) {
148 $pos = strrpos($title, "...");
150 $title = substr($title, 0, $pos);
151 $body = substr($body, 0, $pos);
155 return ($title == $body);
158 function add_page_info_data($data) {
159 call_hooks('page_info_data', $data);
161 // It maybe is a rich content, but if it does have everything that a link has,
162 // then treat it that way
163 if (($data["type"] == "rich") && is_string($data["title"]) &&
164 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
165 $data["type"] = "link";
168 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
172 if ($no_photos && ($data["type"] == "photo")) {
176 if (sizeof($data["images"]) > 0) {
177 $preview = $data["images"][0];
182 // Escape some bad characters
183 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
184 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
186 $text = "[attachment type='".$data["type"]."'";
188 if ($data["text"] == "") {
189 $data["text"] = $data["title"];
192 if ($data["text"] == "") {
193 $data["text"] = $data["url"];
196 if ($data["url"] != "") {
197 $text .= " url='".$data["url"]."'";
200 if ($data["title"] != "") {
201 $text .= " title='".$data["title"]."'";
204 if (sizeof($data["images"]) > 0) {
205 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
206 // if the preview picture is larger than 500 pixels then show it in a larger mode
207 // But only, if the picture isn't higher than large (To prevent huge posts)
208 if (($data["images"][0]["width"] >= 500) && ($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 $hashtags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($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 $tags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($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 require_once('library/langdet/Text/LanguageDetect.php');
367 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
368 $l = new Text_LanguageDetect();
369 //$lng = $l->detectConfidence($naked_body);
370 //$arr['postopts'] = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
371 $lng = $l->detect($naked_body, 3);
373 if (sizeof($lng) > 0) {
374 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
375 $postopts .= 'lang=';
377 foreach ($lng as $language => $score) {
378 $postopts .= $sep . $language . ";" . $score;
381 $arr['postopts'] = $postopts;
386 * @brief Creates an unique guid out of a given uri
388 * @param string $uri uri of an item entry
389 * @param string $host (Optional) hostname for the GUID prefix
390 * @return string unique guid
392 function uri_to_guid($uri, $host = "") {
394 // Our regular guid routine is using this kind of prefix as well
395 // We have to avoid that different routines could accidentally create the same value
396 $parsed = parse_url($uri);
399 $host = $parsed["host"];
402 $guid_prefix = hash("crc32", $host);
404 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
405 unset($parsed["scheme"]);
407 $host_id = implode("/", $parsed);
409 // We could use any hash algorithm since it isn't a security issue
410 $host_hash = hash("ripemd128", $host_id);
412 return $guid_prefix.$host_hash;
416 * @brief Store the conversation data
418 * @param array $arr Item array with conversation data
419 * @return array Item array with removed conversation data
421 function store_conversation($arr) {
422 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
423 $conversation = array('item-uri' => $arr['uri'], 'received' => dbm::date());
425 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
426 $conversation['reply-to-uri'] = $arr['parent-uri'];
428 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
429 $conversation['reply-to-uri'] = $arr['thr-parent'];
432 if (isset($arr['conversation-uri'])) {
433 $conversation['conversation-uri'] = $arr['conversation-uri'];
436 if (isset($arr['conversation-href'])) {
437 $conversation['conversation-href'] = $arr['conversation-href'];
440 if (isset($arr['protocol'])) {
441 $conversation['protocol'] = $arr['protocol'];
444 if (isset($arr['source'])) {
445 $conversation['source'] = $arr['source'];
448 if (!Lock::set('store_conversation')) {
449 // When using semaphores, this case never can't happen
450 unset($arr['conversation-uri']);
451 unset($arr['conversation-href']);
452 unset($arr['protocol']);
453 unset($arr['source']);
457 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
458 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
459 if (dbm::is_result($old_conv)) {
460 // Don't update when only the source has changed.
461 // Only do this when there had been no source before.
462 if ($old_conv['source'] != '') {
463 unset($old_conv['source']);
465 // Update structure data all the time but the source only when its from a better protocol.
466 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
467 unset($conversation['protocol']);
468 unset($conversation['source']);
470 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
471 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
474 if (!dba::insert('conversation', $conversation)) {
475 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
478 Lock::remove('store_conversation');
481 unset($arr['conversation-uri']);
482 unset($arr['conversation-href']);
483 unset($arr['protocol']);
484 unset($arr['source']);
489 /// @TODO add type-hint array
490 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
494 // If it is a posting where users should get notifications, then define it as wall posting
497 $arr['type'] = 'wall';
499 $arr['last-child'] = 1;
500 $arr['network'] = NETWORK_DFRN;
501 $arr['protocol'] = PROTOCOL_DFRN;
503 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
504 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
505 // This is done because our host is the original creator of the post.
506 if (!isset($arr['guid'])) {
507 if (isset($arr['plink'])) {
508 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
509 } elseif (isset($arr['uri'])) {
510 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
517 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
518 $arr['guid'] = uri_to_guid($arr['plink']);
519 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
520 $arr['guid'] = uri_to_guid($arr['uri']);
522 $parsed = parse_url($arr["author-link"]);
523 $guid_prefix = hash("crc32", $parsed["host"]);
526 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
527 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
529 // Store conversation data
530 $arr = store_conversation($arr);
533 * If a Diaspora signature structure was passed in, pull it out of the
534 * item array and set it aside for later storage.
538 if (x($arr, 'dsprsig')) {
539 $encoded_signature = $arr['dsprsig'];
540 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
541 unset($arr['dsprsig']);
544 // Converting the plink
545 if ($arr['network'] == NETWORK_OSTATUS) {
546 if (isset($arr['plink'])) {
547 $arr['plink'] = ostatus::convert_href($arr['plink']);
548 } elseif (isset($arr['uri'])) {
549 $arr['plink'] = ostatus::convert_href($arr['uri']);
553 if (x($arr, 'gravity')) {
554 $arr['gravity'] = intval($arr['gravity']);
555 } elseif ($arr['parent-uri'] === $arr['uri']) {
557 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
560 $arr['gravity'] = 6; // extensible catchall
563 if (! x($arr, 'type')) {
564 $arr['type'] = 'remote';
567 // check for create date and expire time
568 $uid = intval($arr['uid']);
569 $r = q("SELECT expire FROM user WHERE uid = %d", intval($uid));
570 if (dbm::is_result($r)) {
571 $expire_interval = $r[0]['expire'];
572 if ($expire_interval>0) {
573 $expire_date = new DateTime( '- '.$expire_interval.' days', new DateTimeZone('UTC'));
574 $created_date = new DateTime($arr['created'], new DateTimeZone('UTC'));
575 if ($created_date < $expire_date) {
576 logger('item-store: item created ('.$arr['created'].') before expiration time ('.$expire_date->format(DateTime::W3C).'). ignored. ' . print_r($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 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : datetime_convert());
622 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : datetime_convert());
623 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : datetime_convert());
624 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
625 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : datetime_convert());
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($arr['file']) : '');
657 // Items cannot be stored before they happen ...
658 if ($arr['created'] > datetime_convert()) {
659 $arr['created'] = datetime_convert();
662 // We haven't invented time travel by now.
663 if ($arr['edited'] > datetime_convert()) {
664 $arr['edited'] = datetime_convert();
667 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
668 logger("Both author-link and owner-link are empty. Called by: " . App::callstack(), LOGGER_DEBUG);
671 if ($arr['plink'] == "") {
672 $arr['plink'] = App::get_baseurl() . '/display/' . urlencode($arr['guid']);
675 if ($arr['network'] == "") {
676 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
677 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
678 dbesc(normalise_link($arr['author-link'])),
682 if (!dbm::is_result($r))
683 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
684 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
685 dbesc(normalise_link($arr['author-link']))
688 if (!dbm::is_result($r)) {
689 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
690 intval($arr['contact-id']),
695 if (dbm::is_result($r)) {
696 $arr['network'] = $r[0]["network"];
699 // Fallback to friendica (why is it empty in some cases?)
700 if ($arr['network'] == "") {
701 $arr['network'] = NETWORK_DFRN;
704 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
707 // The contact-id should be set before "item_store" was called - but there seems to be some issues
708 if ($arr["contact-id"] == 0) {
710 * First we are looking for a suitable contact that matches with the author of the post
711 * This is done only for comments (See below explanation at "gcontact-id")
713 if ($arr['parent-uri'] != $arr['uri']) {
714 $arr["contact-id"] = get_contact($arr['author-link'], $uid);
717 // If not present then maybe the owner was found
718 if ($arr["contact-id"] == 0) {
719 $arr["contact-id"] = get_contact($arr['owner-link'], $uid);
722 // Still missing? Then use the "self" contact of the current user
723 if ($arr["contact-id"] == 0) {
724 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
726 if (dbm::is_result($r)) {
727 $arr["contact-id"] = $r[0]["id"];
731 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
734 if ($arr["gcontact-id"] == 0) {
736 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
737 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
738 * On comments the author is the better choice.
740 if ($arr['parent-uri'] === $arr['uri']) {
741 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['owner-link'], "network" => $arr['network'],
742 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
744 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['author-link'], "network" => $arr['network'],
745 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
749 if ($arr["author-id"] == 0) {
750 $arr["author-id"] = get_contact($arr["author-link"], 0);
753 if ($arr["owner-id"] == 0) {
754 $arr["owner-id"] = get_contact($arr["owner-link"], 0);
757 if ($arr['guid'] != "") {
758 // Checking if there is already an item with the same guid
759 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
760 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
761 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
763 if (dbm::is_result($r)) {
764 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
769 // Check for hashtags in the body and repair or add hashtag links
770 item_body_set_hashtags($arr);
772 $arr['thr-parent'] = $arr['parent-uri'];
774 if ($arr['parent-uri'] === $arr['uri']) {
777 $allow_cid = $arr['allow_cid'];
778 $allow_gid = $arr['allow_gid'];
779 $deny_cid = $arr['deny_cid'];
780 $deny_gid = $arr['deny_gid'];
781 $notify_type = 'wall-new';
784 // find the parent and snarf the item id and ACLs
785 // and anything else we need to inherit
787 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
788 dbesc($arr['parent-uri']),
792 if (dbm::is_result($r)) {
794 // is the new message multi-level threaded?
795 // even though we don't support it now, preserve the info
796 // and re-attach to the conversation parent.
798 if ($r[0]['uri'] != $r[0]['parent-uri']) {
799 $arr['parent-uri'] = $r[0]['parent-uri'];
800 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
801 ORDER BY `id` ASC LIMIT 1",
802 dbesc($r[0]['parent-uri']),
803 dbesc($r[0]['parent-uri']),
807 if (dbm::is_result($z)) {
812 $parent_id = $r[0]['id'];
813 $parent_deleted = $r[0]['deleted'];
814 $allow_cid = $r[0]['allow_cid'];
815 $allow_gid = $r[0]['allow_gid'];
816 $deny_cid = $r[0]['deny_cid'];
817 $deny_gid = $r[0]['deny_gid'];
818 $arr['wall'] = $r[0]['wall'];
819 $notify_type = 'comment-new';
822 * If the parent is private, force privacy for the entire conversation
823 * This differs from the above settings as it subtly allows comments from
824 * email correspondents to be private even if the overall thread is not.
826 if ($r[0]['private']) {
827 $arr['private'] = $r[0]['private'];
831 * Edge case. We host a public forum that was originally posted to privately.
832 * The original author commented, but as this is a comment, the permissions
833 * weren't fixed up so it will still show the comment as private unless we fix it here.
835 if ((intval($r[0]['forum_mode']) == 1) && (! $r[0]['private'])) {
839 // If its a post from myself then tag the thread as "mention"
840 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
841 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
842 if (dbm::is_result($u)) {
844 $self = normalise_link(App::get_baseurl() . '/profile/' . $u[0]['nickname']);
845 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
846 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
847 q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($parent_id));
848 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
853 * Allow one to see reply tweets from status.net even when
854 * we don't have or can't see the original post.
857 logger('item_store: $force_parent=true, reply converted to top-level post.');
859 $arr['parent-uri'] = $arr['uri'];
862 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
870 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
872 dbesc($arr['network']),
876 if (dbm::is_result($r)) {
877 logger('duplicated item with the same uri found. '.print_r($arr,true));
881 // On Friendica and Diaspora the GUID is unique
882 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
883 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
887 if (dbm::is_result($r)) {
888 logger('duplicated item with the same guid found. '.print_r($arr,true));
892 // Check for an existing post with the same content. There seems to be a problem with OStatus.
893 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
895 dbesc($arr['network']),
896 dbesc($arr['created']),
897 intval($arr['contact-id']),
900 if (dbm::is_result($r)) {
901 logger('duplicated item with the same body found. '.print_r($arr,true));
906 // Is this item available in the global items (with uid=0)?
907 if ($arr["uid"] == 0) {
908 $arr["global"] = true;
910 // Set the global flag on all items if this was a global item entry
911 q("UPDATE `item` SET `global` = 1 WHERE `uri` = '%s'", dbesc($arr["uri"]));
913 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
915 $arr["global"] = (dbm::is_result($isglobal) && count($isglobal) > 0);
919 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
922 $private = $arr['private'];
925 $arr["allow_cid"] = $allow_cid;
926 $arr["allow_gid"] = $allow_gid;
927 $arr["deny_cid"] = $deny_cid;
928 $arr["deny_gid"] = $deny_gid;
929 $arr["private"] = $private;
930 $arr["deleted"] = $parent_deleted;
932 // Fill the cache field
933 put_item_in_cache($arr);
936 call_hooks('post_local', $arr);
938 call_hooks('post_remote', $arr);
941 if (x($arr, 'cancel')) {
942 logger('item_store: post cancelled by plugin.');
947 * Check for already added items.
948 * There is a timing issue here that sometimes creates double postings.
949 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
951 if ($arr["uid"] == 0) {
952 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
953 if (dbm::is_result($r)) {
954 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
959 // Store the unescaped version
962 dbm::esc_array($arr, true);
964 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
968 $r = dbq("INSERT INTO `item` (`"
969 . implode("`, `", array_keys($arr))
971 . implode(", ", array_values($arr))
977 // When the item was successfully stored we fetch the ID of the item.
978 if (dbm::is_result($r)) {
979 $r = q("SELECT LAST_INSERT_ID() AS `item-id`");
980 if (dbm::is_result($r)) {
981 $current_post = $r[0]['item-id'];
983 // This shouldn't happen
987 // This can happen - for example - if there are locking timeouts.
990 // Store the data into a spool file so that we can try again later.
992 // At first we restore the Diaspora signature that we removed above.
993 if (isset($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 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
1057 intval($current_post)
1060 $arr['id'] = $current_post;
1061 $arr['parent'] = $parent_id;
1063 // update the commented timestamp on the parent
1064 // Only update "commented" if it is really a comment
1065 if (($arr['verb'] == ACTIVITY_POST) || !get_config("system", "like_no_comment")) {
1066 q("UPDATE `item` SET `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
1067 dbesc(datetime_convert()),
1068 dbesc(datetime_convert()),
1072 q("UPDATE `item` SET `changed` = '%s' WHERE `id` = %d",
1073 dbesc(datetime_convert()),
1081 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1082 * We can check for this condition when we decode and encode the stuff again.
1084 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1085 $dsprsig->signature = base64_decode($dsprsig->signature);
1086 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1089 q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1090 intval($current_post),
1091 dbesc($dsprsig->signed_text),
1092 dbesc($dsprsig->signature),
1093 dbesc($dsprsig->signer)
1097 $deleted = tag_deliver($arr['uid'], $current_post);
1100 * current post can be deleted if is for a community page and no mention are
1103 if (!$deleted && !$dontcache) {
1105 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1106 if ((dbm::is_result($r)) && (count($r) == 1)) {
1108 call_hooks('post_local_end', $r[0]);
1110 call_hooks('post_remote_end', $r[0]);
1113 logger('item_store: new item not found in DB, id ' . $current_post);
1117 if ($arr['parent-uri'] === $arr['uri']) {
1118 add_thread($current_post);
1120 update_thread($parent_id);
1126 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1127 * This is not perfect - but a workable solution until we found the reason for the problem.
1129 create_tags_from_item($current_post);
1130 create_files_from_item($current_post);
1133 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1134 * It is done after the transaction to avoid dead locks.
1136 if ($arr['last-child']) {
1137 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1139 intval($arr['uid']),
1140 intval($current_post)
1144 if ($arr['parent-uri'] === $arr['uri']) {
1145 add_shadow_thread($current_post);
1147 add_shadow_entry($current_post);
1150 check_item_notification($current_post, $uid);
1153 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/notifier.php", $notify_type, $current_post);
1156 return $current_post;
1160 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1162 * This can be used to filter for inactive contacts.
1163 * Only do this for public postings to avoid privacy problems, since poco data is public.
1164 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1166 * @param array $arr Contains the just posted item record
1168 function item_set_last_item($arr) {
1170 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1172 // Is it a forum? Then we don't care about the rules from above
1173 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1174 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1175 intval($arr['contact-id']));
1176 if (dbm::is_result($isforum)) {
1182 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1183 dbesc($arr['received']),
1184 dbesc($arr['received']),
1185 intval($arr['contact-id'])
1188 // Now do the same for the system wide contacts with uid=0
1189 if (!$arr['private']) {
1190 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1191 dbesc($arr['received']),
1192 dbesc($arr['received']),
1193 intval($arr['owner-id'])
1196 if ($arr['owner-id'] != $arr['author-id']) {
1197 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1198 dbesc($arr['received']),
1199 dbesc($arr['received']),
1200 intval($arr['author-id'])
1206 function item_body_set_hashtags(&$item) {
1208 $tags = get_tags($item["body"]);
1211 if (!count($tags)) {
1215 // This sorting is important when there are hashtags that are part of other hashtags
1216 // Otherwise there could be problems with hashtags like #test and #test2
1221 $URLSearchString = "^\[\]";
1223 /// @TODO old-lost code?
1224 // All hashtags should point to the home server
1225 //$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1226 // "#[url=".App::get_baseurl()."/search?tag=$2]$2[/url]", $item["body"]);
1228 //$item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1229 // "#[url=".App::get_baseurl()."/search?tag=$2]$2[/url]", $item["tag"]);
1231 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1232 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1234 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1237 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1239 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1242 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1244 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1247 // Repair recursive urls
1248 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1249 "#$2", $item["body"]);
1251 foreach ($tags as $tag) {
1252 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1256 $basetag = str_replace('_',' ',substr($tag,1));
1258 $newtag = '#[url=' . App::get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1260 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1262 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1263 if (strlen($item["tag"])) {
1264 $item["tag"] = ','.$item["tag"];
1266 $item["tag"] = $newtag.$item["tag"];
1270 // Convert back the masked hashtags
1271 $item["body"] = str_replace("#", "#", $item["body"]);
1274 function get_item_guid($id) {
1275 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1276 if (dbm::is_result($r)) {
1277 return $r[0]["guid"];
1279 /// @TODO This else-block can be elimited again
1284 function get_item_id($guid, $uid = 0) {
1290 $uid == local_user();
1293 // Does the given user have this item?
1295 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1296 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1297 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1298 if (dbm::is_result($r)) {
1300 $nick = $r[0]["nickname"];
1304 // Or is it anywhere on the server?
1306 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1307 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1308 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1309 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1310 AND `item`.`private` = 0 AND `item`.`wall` = 1
1311 AND `item`.`guid` = '%s'", dbesc($guid));
1312 if (dbm::is_result($r)) {
1314 $nick = $r[0]["nickname"];
1317 return array("nick" => $nick, "id" => $id);
1321 function get_item_contact($item, $contacts) {
1322 if (! count($contacts) || (! is_array($item))) {
1325 foreach ($contacts as $contact) {
1326 if ($contact['id'] == $item['contact-id']) {
1328 break; // NOTREACHED
1335 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1337 * @param int $item_id
1338 * @return bool true if item was deleted, else false
1340 function tag_deliver($uid, $item_id) {
1346 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1350 if (! dbm::is_result($u)) {
1354 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1355 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1358 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1362 if (! dbm::is_result($i)) {
1368 $link = normalise_link(App::get_baseurl() . '/profile/' . $u[0]['nickname']);
1371 * Diaspora uses their own hardwired link URL in @-tags
1372 * instead of the one we supply with webfinger
1374 $dlink = normalise_link(App::get_baseurl() . '/u/' . $u[0]['nickname']);
1376 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1378 foreach ($matches as $mtch) {
1379 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1381 logger('tag_deliver: mention found: ' . $mtch[2]);
1387 if (($community_page || $prvgroup) &&
1388 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1389 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1391 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1392 dba::delete('item', array('id' => $item_id));
1398 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1400 call_hooks('tagged', $arr);
1402 if ((! $community_page) && (! $prvgroup)) {
1407 * tgroup delivery - setup a second delivery chain
1408 * prevent delivery looping - only proceed
1409 * if the message originated elsewhere and is a top-level post
1411 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1415 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1416 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1417 intval($u[0]['uid'])
1419 if (! dbm::is_result($c)) {
1423 // also reset all the privacy bits to the forum default permissions
1425 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1427 $forum_mode = (($prvgroup) ? 2 : 1);
1429 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1430 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1431 intval($forum_mode),
1432 dbesc($c[0]['name']),
1433 dbesc($c[0]['url']),
1434 dbesc($c[0]['thumb']),
1436 dbesc($u[0]['allow_cid']),
1437 dbesc($u[0]['allow_gid']),
1438 dbesc($u[0]['deny_cid']),
1439 dbesc($u[0]['deny_gid']),
1442 update_thread($item_id);
1444 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'include/notifier.php', 'tgroup', $item_id);
1450 function tgroup_check($uid, $item) {
1454 // check that the message originated elsewhere and is a top-level post
1456 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1460 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1461 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1464 if (! dbm::is_result($u)) {
1468 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1469 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1471 $link = normalise_link(App::get_baseurl() . '/profile/' . $u[0]['nickname']);
1474 * Diaspora uses their own hardwired link URL in @-tags
1475 * instead of the one we supply with webfinger
1477 $dlink = normalise_link(App::get_baseurl() . '/u/' . $u[0]['nickname']);
1479 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1481 foreach ($matches as $mtch) {
1482 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1484 logger('tgroup_check: mention found: ' . $mtch[2]);
1493 /// @TODO Combine both return statements into one
1494 return (($community_page) || ($prvgroup));
1498 * This function returns true if $update has an edited timestamp newer
1499 * than $existing, i.e. $update contains new data which should override
1500 * what's already there. If there is no timestamp yet, the update is
1501 * assumed to be newer. If the update has no timestamp, the existing
1502 * item is assumed to be up-to-date. If the timestamps are equal it
1503 * assumes the update has been seen before and should be ignored.
1505 * @todo fix type-hints (both array)
1507 function edited_timestamp_is_newer ($existing, $update) {
1508 if (!x($existing, 'edited') || !$existing['edited']) {
1511 if (!x($update, 'edited') || !$update['edited']) {
1515 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1516 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1517 return (strcmp($existing_edited, $update_edited) < 0);
1522 * consume_feed - process atom feed and update anything/everything we might need to update
1524 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1526 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1527 * It is this person's stuff that is going to be updated.
1528 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1529 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1530 * have a contact record.
1531 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1532 * might not) try and subscribe to it.
1533 * $datedir sorts in reverse order
1534 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1535 * imported prior to its children being seen in the stream unless we are certain
1536 * of how the feed is arranged/ordered.
1537 * With $pass = 1, we only pull parent items out of the stream.
1538 * With $pass = 2, we only pull children (comments/likes).
1540 * So running this twice, first with pass 1 and then with pass 2 will do the right
1541 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1542 * model where comments can have sub-threads. That would require some massive sorting
1543 * to get all the feed items into a mostly linear ordering, and might still require
1546 * @todo find proper type-hints
1548 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1549 if ($contact['network'] === NETWORK_OSTATUS) {
1551 // Test - remove before flight
1552 //$tempfile = tempnam(get_temppath(), "ostatus2");
1553 //file_put_contents($tempfile, $xml);
1554 logger("Consume OStatus messages ", LOGGER_DEBUG);
1555 ostatus::import($xml, $importer, $contact, $hub);
1560 if ($contact['network'] === NETWORK_FEED) {
1562 logger("Consume feeds", LOGGER_DEBUG);
1563 feed_import($xml, $importer, $contact, $hub);
1568 if ($contact['network'] === NETWORK_DFRN) {
1569 logger("Consume DFRN messages", LOGGER_DEBUG);
1571 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1572 `contact`.`pubkey` AS `cpubkey`,
1573 `contact`.`prvkey` AS `cprvkey`,
1574 `contact`.`thumb` AS `thumb`,
1575 `contact`.`url` as `url`,
1576 `contact`.`name` as `senderName`,
1579 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1580 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1581 dbesc($contact["id"]), dbesc($importer["uid"])
1583 if (dbm::is_result($r)) {
1584 logger("Now import the DFRN feed");
1585 dfrn::import($xml, $r[0], true);
1591 /// @TODO type-hint is array
1592 function item_is_remote_self($contact, &$datarray) {
1595 if (!$contact['remote_self']) {
1599 // Prevent the forwarding of posts that are forwarded
1600 if ($datarray["extid"] == NETWORK_DFRN) {
1604 // Prevent to forward already forwarded posts
1605 if ($datarray["app"] == $a->get_hostname()) {
1609 // Only forward posts
1610 if ($datarray["verb"] != ACTIVITY_POST) {
1614 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1618 $datarray2 = $datarray;
1619 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1620 if ($contact['remote_self'] == 2) {
1621 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1622 intval($contact['uid']));
1623 if (dbm::is_result($r)) {
1624 $datarray['contact-id'] = $r[0]["id"];
1626 $datarray['owner-name'] = $r[0]["name"];
1627 $datarray['owner-link'] = $r[0]["url"];
1628 $datarray['owner-avatar'] = $r[0]["thumb"];
1630 $datarray['author-name'] = $datarray['owner-name'];
1631 $datarray['author-link'] = $datarray['owner-link'];
1632 $datarray['author-avatar'] = $datarray['owner-avatar'];
1635 if ($contact['network'] != NETWORK_FEED) {
1636 $datarray["guid"] = get_guid(32);
1637 unset($datarray["plink"]);
1638 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1639 $datarray["parent-uri"] = $datarray["uri"];
1640 $datarray["extid"] = $contact['network'];
1641 $urlpart = parse_url($datarray2['author-link']);
1642 $datarray["app"] = $urlpart["host"];
1644 $datarray['private'] = 0;
1648 if ($contact['network'] != NETWORK_FEED) {
1649 // Store the original post
1650 $r = item_store($datarray2, false, false);
1651 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1653 $datarray["app"] = "Feed";
1659 /// @TODO find proper type-hints
1660 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1661 $url = notags(trim($datarray['author-link']));
1662 $name = notags(trim($datarray['author-name']));
1663 $photo = notags(trim($datarray['author-avatar']));
1665 if (is_object($item)) {
1666 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1667 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1668 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1674 if (is_array($contact)) {
1675 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1676 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1677 $r = q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
1678 intval(CONTACT_IS_FRIEND),
1679 intval($contact['id']),
1680 intval($importer['uid'])
1683 // send email notification to owner?
1686 // create contact record
1688 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1689 `blocked`, `readonly`, `pending`, `writable`)
1690 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1691 intval($importer['uid']),
1692 dbesc(datetime_convert()),
1694 dbesc(normalise_link($url)),
1698 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1699 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1701 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1702 intval($importer['uid']),
1705 if (dbm::is_result($r)) {
1706 $contact_record = $r[0];
1707 update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
1710 /// @TODO Encapsulate this into a function/method
1711 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1712 intval($importer['uid'])
1715 if (dbm::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
1717 // create notification
1718 $hash = random_string();
1720 if (is_array($contact_record)) {
1721 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
1722 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
1723 intval($importer['uid']),
1724 intval($contact_record['id']),
1726 dbesc(datetime_convert())
1730 $def_gid = get_default_group($importer['uid'], $contact_record["network"]);
1732 if (intval($def_gid)) {
1733 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
1736 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1737 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1740 'type' => NOTIFY_INTRO,
1741 'notify_flags' => $r[0]['notify-flags'],
1742 'language' => $r[0]['language'],
1743 'to_name' => $r[0]['username'],
1744 'to_email' => $r[0]['email'],
1745 'uid' => $r[0]['uid'],
1746 'link' => App::get_baseurl() . '/notifications/intro',
1747 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1748 'source_link' => $contact_record['url'],
1749 'source_photo' => $contact_record['photo'],
1750 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1755 } elseif (dbm::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
1756 $r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1757 intval($importer['uid']),
1765 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1767 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1768 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
1769 intval(CONTACT_IS_SHARING),
1770 intval($contact['id'])
1773 contact_remove($contact['id']);
1777 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1779 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1780 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
1781 intval(CONTACT_IS_FOLLOWER),
1782 intval($contact['id'])
1785 contact_remove($contact['id']);
1789 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1793 if (is_array($importer)) {
1794 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1795 intval($importer['uid'])
1800 * Diaspora has different message-ids in feeds than they do
1801 * through the direct Diaspora protocol. If we try and use
1802 * the feed, we'll get duplicates. So don't.
1804 if ((! dbm::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1808 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1810 // Use a single verify token, even if multiple hubs
1811 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1813 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1815 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1817 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1818 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d",
1819 dbesc($verify_token),
1820 intval($contact['id'])
1824 post_url($url, $params);
1826 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1832 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1834 if (get_config('system','disable_embedded')) {
1840 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1841 $site = substr(App::get_baseurl(),strpos(App::get_baseurl(),'://'));
1846 $img_start = strpos($orig_body, '[img');
1847 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1848 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1849 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1851 $img_st_close++; // make it point to AFTER the closing bracket
1852 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1854 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1857 if (stristr($image , $site . '/photo/')) {
1858 // Only embed locally hosted photos
1860 $i = basename($image);
1861 $i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
1862 $x = strpos($i, '-');
1865 $res = substr($i, $x + 1);
1866 $i = substr($i, 0, $x);
1867 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1873 if (dbm::is_result($r)) {
1875 * Check to see if we should replace this photo link with an embedded image
1876 * 1. No need to do so if the photo is public
1877 * 2. If there's a contact-id provided, see if they're in the access list
1878 * for the photo. If so, embed it.
1879 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1880 * permissions, regardless of order but first check to see if they're an exact
1881 * match to save some processing overhead.
1883 if (has_permissions($r[0])) {
1885 $recips = enumerate_permissions($r[0]);
1886 if (in_array($cid, $recips)) {
1890 if (compare_permissions($item, $r[0])) {
1896 $data = $r[0]['data'];
1897 $type = $r[0]['type'];
1899 // If a custom width and height were specified, apply before embedding
1900 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1901 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1903 $width = intval($match[1]);
1904 $height = intval($match[2]);
1906 $ph = new Photo($data, $type);
1907 if ($ph->is_valid()) {
1908 $ph->scaleImage(max($width, $height));
1909 $data = $ph->imageString();
1910 $type = $ph->getType();
1914 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1915 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1916 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1922 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1923 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1924 if ($orig_body === false) {
1928 $img_start = strpos($orig_body, '[img');
1929 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1930 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1933 $new_body = $new_body . $orig_body;
1938 /// @TODO type-hint is array
1939 function has_permissions($obj) {
1942 x($obj, 'allow_cid')
1944 x($obj, 'allow_gid')
1953 /// @TODO type-hint is array
1954 function compare_permissions($obj1, $obj2) {
1955 // first part is easy. Check that these are exactly the same.
1956 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1957 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1958 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1959 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1963 // This is harder. Parse all the permissions and compare the resulting set.
1964 $recipients1 = enumerate_permissions($obj1);
1965 $recipients2 = enumerate_permissions($obj2);
1969 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1970 return ($recipients1 == $recipients2);
1973 // returns an array of contact-ids that are allowed to see this object
1974 /// @TODO type-hint is array
1975 function enumerate_permissions($obj) {
1976 $allow_people = expand_acl($obj['allow_cid']);
1977 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1978 $deny_people = expand_acl($obj['deny_cid']);
1979 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1980 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1981 $deny = array_unique(array_merge($deny_people, $deny_groups));
1982 $recipients = array_diff($recipients, $deny);
1986 function item_getfeedtags($item) {
1989 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1991 for ($x = 0; $x < $cnt; $x ++) {
1992 if ($matches[1][$x]) {
1993 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1998 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2000 for ($x = 0; $x < $cnt; $x ++) {
2001 if ($matches[1][$x]) {
2002 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
2009 function item_expire($uid, $days, $network = "", $force = false) {
2011 if ((! $uid) || ($days < 1)) {
2016 * $expire_network_only = save your own wall posts
2017 * and just expire conversations started by others
2019 $expire_network_only = get_pconfig($uid,'expire', 'network_only');
2020 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
2022 if ($network != "") {
2023 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2026 * There is an index "uid_network_received" but not "uid_network_created"
2027 * This avoids the creation of another index just for one purpose.
2028 * And it doesn't really matter wether to look at "received" or "created"
2030 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2032 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2035 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2036 WHERE `uid` = %d $range
2044 if (! dbm::is_result($r)) {
2048 $expire_items = get_pconfig($uid, 'expire', 'items');
2049 $expire_items = (($expire_items === false) ? 1 : intval($expire_items)); // default if not set: 1
2051 // Forcing expiring of items - but not notes and marked items
2053 $expire_items = true;
2056 $expire_notes = get_pconfig($uid, 'expire', 'notes');
2057 $expire_notes = (($expire_notes === false) ? 1 : intval($expire_notes)); // default if not set: 1
2059 $expire_starred = get_pconfig($uid, 'expire', 'starred');
2060 $expire_starred = (($expire_starred === false) ? 1 : intval($expire_starred)); // default if not set: 1
2062 $expire_photos = get_pconfig($uid, 'expire', 'photos');
2063 $expire_photos = (($expire_photos === false) ? 0 : intval($expire_photos)); // default if not set: 0
2065 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2067 foreach ($r as $item) {
2069 // don't expire filed items
2071 if (strpos($item['file'],'[') !== false) {
2075 // Only expire posts, not photos and photo comments
2077 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2079 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2081 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2083 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2087 drop_item($item['id'], false);
2090 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2094 /// @TODO type-hint is array
2095 function drop_items($items) {
2098 if (! local_user() && ! remote_user()) {
2102 if (count($items)) {
2103 foreach ($items as $item) {
2104 $owner = drop_item($item,false);
2105 if ($owner && ! $uid)
2110 // multiple threads may have been deleted, send an expire notification
2113 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2118 function drop_item($id, $interactive = true) {
2122 // locate item to be deleted
2124 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2128 if (! dbm::is_result($r)) {
2129 if (! $interactive) {
2132 notice( t('Item not found.') . EOL);
2133 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2138 if ($item['deleted']) {
2142 $owner = $item['uid'];
2146 // check if logged in user is either the author or owner of this item
2148 if (is_array($_SESSION['remote'])) {
2149 foreach ($_SESSION['remote'] as $visitor) {
2150 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2151 $contact_id = $visitor['cid'];
2158 if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
2160 // Check if we should do HTML-based delete confirmation
2161 if ($_REQUEST['confirm']) {
2162 // <form> can't take arguments in its "action" parameter
2163 // so add any arguments as hidden inputs
2164 $query = explode_querystring($a->query_string);
2166 foreach ($query['args'] as $arg) {
2167 if (strpos($arg, 'confirm=') === false) {
2168 $arg_parts = explode('=', $arg);
2169 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2173 return replace_macros(get_markup_template('confirm.tpl'), array(
2175 '$message' => t('Do you really want to delete this item?'),
2176 '$extra_inputs' => $inputs,
2177 '$confirm' => t('Yes'),
2178 '$confirm_url' => $query['base'],
2179 '$confirm_name' => 'confirmed',
2180 '$cancel' => t('Cancel'),
2183 // Now check how the user responded to the confirmation query
2184 if ($_REQUEST['canceled']) {
2185 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2188 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2191 $r = q("UPDATE `item` SET `deleted` = 1, `title` = '', `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d",
2192 dbesc(datetime_convert()),
2193 dbesc(datetime_convert()),
2196 create_tags_from_item($item['id']);
2197 create_files_from_item($item['id']);
2198 delete_thread($item['id'], $item['parent-uri']);
2200 // clean up categories and tags so they don't end up as orphans
2203 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2205 foreach ($matches as $mtch) {
2206 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2212 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2214 foreach ($matches as $mtch) {
2215 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2220 * If item is a link to a photo resource, nuke all the associated photos
2221 * (visitors will not have photo resources)
2222 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2223 * generate a resource-id and therefore aren't intimately linked to the item.
2225 if (strlen($item['resource-id'])) {
2226 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
2227 dbesc($item['resource-id']),
2228 intval($item['uid'])
2230 // ignore the result
2233 // If item is a link to an event, nuke the event record.
2234 if (intval($item['event-id'])) {
2235 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
2236 intval($item['event-id']),
2237 intval($item['uid'])
2239 // ignore the result
2242 // If item has attachments, drop them
2243 foreach (explode(", ", $item['attach']) as $attach) {
2244 preg_match("|attach/(\d+)|", $attach, $matches);
2245 q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
2246 intval($matches[1]),
2249 // ignore the result
2252 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2254 // Creating list of parents
2255 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2256 intval($item['id']),
2257 intval($item['uid'])
2262 foreach ($r as $row) {
2263 if ($parentid != "") {
2267 $parentid .= $row["id"];
2271 if ($parentid != "") {
2272 $r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
2273 $r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2276 // If it's the parent of a comment thread, kill all the kids
2277 if ($item['uri'] == $item['parent-uri']) {
2278 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = ''
2279 WHERE `parent-uri` = '%s' AND `uid` = %d ",
2280 dbesc(datetime_convert()),
2281 dbesc(datetime_convert()),
2282 dbesc($item['parent-uri']),
2283 intval($item['uid'])
2285 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2286 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2287 delete_thread_uri($item['parent-uri'], $item['uid']);
2288 // ignore the result
2290 // ensure that last-child is set in case the comment that had it just got wiped.
2291 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
2292 dbesc(datetime_convert()),
2293 dbesc($item['parent-uri']),
2294 intval($item['uid'])
2296 // who is the last child now?
2297 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2298 dbesc($item['parent-uri']),
2299 intval($item['uid'])
2301 if (dbm::is_result($r)) {
2302 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2308 // send the notification upstream/downstream
2309 // The priority depends on how the deletion is done.
2310 $drop_id = intval($item['id']);
2311 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2313 proc_run(array('priority' => $priority, 'dont_fork' => true), "include/notifier.php", "drop", $drop_id);
2315 if (! $interactive) {
2318 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2321 if (! $interactive) {
2324 notice( t('Permission denied.') . EOL);
2325 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2331 /// @todo: This query seems to be really slow
2332 function first_post_date($uid, $wall = false) {
2333 $r = q("SELECT `id`, `created` FROM `item`
2334 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2336 ORDER BY `created` ASC LIMIT 1",
2338 intval($wall ? 1 : 0)
2340 if (dbm::is_result($r)) {
2341 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2342 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2347 /* modified posted_dates() {below} to arrange the list in years */
2348 function list_post_dates($uid, $wall) {
2349 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2351 $dthen = first_post_date($uid, $wall);
2356 // Set the start and end date to the beginning of the month
2357 $dnow = substr($dnow, 0, 8) . '01';
2358 $dthen = substr($dthen, 0, 8) . '01';
2363 * Starting with the current month, get the first and last days of every
2364 * month down to and including the month of the first post
2366 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2367 $dyear = intval(substr($dnow, 0, 4));
2368 $dstart = substr($dnow, 0, 8) . '01';
2369 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2370 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2371 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2372 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2373 if (!$ret[$dyear]) {
2374 $ret[$dyear] = array();
2376 $ret[$dyear][] = array($str, $end_month, $start_month);
2377 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2382 function posted_dates($uid, $wall) {
2383 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2385 $dthen = first_post_date($uid, $wall);
2390 // Set the start and end date to the beginning of the month
2391 $dnow = substr($dnow, 0, 8) . '01';
2392 $dthen = substr($dthen, 0, 8) . '01';
2396 * Starting with the current month, get the first and last days of every
2397 * month down to and including the month of the first post
2399 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2400 $dstart = substr($dnow, 0, 8) . '01';
2401 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2402 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2403 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2404 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2405 $ret[] = array($str, $end_month, $start_month);
2406 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2412 function posted_date_widget($url, $uid, $wall) {
2415 if (! feature_enabled($uid, 'archives')) {
2419 // For former Facebook folks that left because of "timeline"
2421 * @TODO old-lost code?
2422 if ($wall && intval(get_pconfig($uid, 'system', 'no_wall_archive_widget')))
2426 $visible_years = get_pconfig($uid,'system','archive_visible_years');
2427 if (! $visible_years) {
2431 $ret = list_post_dates($uid, $wall);
2433 if (! dbm::is_result($ret)) {
2437 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2438 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2440 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2441 '$title' => t('Archives'),
2442 '$size' => $visible_years,
2443 '$cutoff_year' => $cutoff_year,
2444 '$cutoff' => $cutoff,
2447 '$showmore' => t('show more')