4 * @file include/items.php
7 use \Friendica\ParseUrl;
9 require_once 'include/bbcode.php';
10 require_once 'include/oembed.php';
11 require_once 'include/salmon.php';
12 require_once 'include/crypto.php';
13 require_once 'include/Photo.php';
14 require_once 'include/tags.php';
15 require_once 'include/files.php';
16 require_once 'include/text.php';
17 require_once 'include/email.php';
18 require_once 'include/threads.php';
19 require_once 'include/socgraph.php';
20 require_once 'include/plaintext.php';
21 require_once 'include/ostatus.php';
22 require_once 'include/feed.php';
23 require_once 'include/Contact.php';
24 require_once 'mod/share.php';
25 require_once 'include/enotify.php';
26 require_once 'include/dfrn.php';
27 require_once 'include/group.php';
29 /// @TODO one day with composer autoloader no more needed
30 require_once 'library/defuse/php-encryption-1.2.1/Crypto.php';
32 function construct_verb($item) {
41 * The purpose of this function is to apply system message length limits to
42 * imported messages without including any embedded photos in the length
44 if (! function_exists('limit_body_size')) {
45 function limit_body_size($body) {
47 // logger('limit_body_size: start', LOGGER_DEBUG);
49 $maxlen = get_max_import_size();
51 // If the length of the body, including the embedded images, is smaller
52 // than the maximum, then don't waste time looking for the images
53 if ($maxlen && (strlen($body) > $maxlen)) {
55 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
62 $img_start = strpos($orig_body, '[img');
63 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
64 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
65 while (($img_st_close !== false) && ($img_end !== false)) {
67 $img_st_close++; // make it point to AFTER the closing bracket
68 $img_end += $img_start;
69 $img_end += strlen('[/img]');
71 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
72 // This is an embedded image
74 if (($textlen + $img_start) > $maxlen ) {
75 if ($textlen < $maxlen) {
76 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
77 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
81 $new_body = $new_body . substr($orig_body, 0, $img_start);
82 $textlen += $img_start;
85 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
88 if (($textlen + $img_end) > $maxlen ) {
89 if ($textlen < $maxlen) {
90 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
91 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
95 $new_body = $new_body . substr($orig_body, 0, $img_end);
99 $orig_body = substr($orig_body, $img_end);
101 if ($orig_body === false) {
102 // in case the body ends on a closing image tag
106 $img_start = strpos($orig_body, '[img');
107 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
108 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
111 if (($textlen + strlen($orig_body)) > $maxlen) {
112 if ($textlen < $maxlen) {
113 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
114 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
118 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
119 $new_body = $new_body . $orig_body;
120 $textlen += strlen($orig_body);
129 function title_is_body($title, $body) {
131 $title = strip_tags($title);
132 $title = trim($title);
133 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
134 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
136 $body = strip_tags($body);
138 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
139 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
141 if (strlen($title) < strlen($body)) {
142 $body = substr($body, 0, strlen($title));
145 if (($title != $body) and (substr($title, -3) == "...")) {
146 $pos = strrpos($title, "...");
148 $title = substr($title, 0, $pos);
149 $body = substr($body, 0, $pos);
153 return ($title == $body);
156 function add_page_info_data($data) {
157 call_hooks('page_info_data', $data);
159 // It maybe is a rich content, but if it does have everything that a link has,
160 // then treat it that way
161 if (($data["type"] == "rich") AND is_string($data["title"]) AND
162 is_string($data["text"]) AND (sizeof($data["images"]) > 0)) {
163 $data["type"] = "link";
166 if ((($data["type"] != "link") AND ($data["type"] != "video") AND ($data["type"] != "photo")) OR ($data["title"] == $data["url"])) {
170 if ($no_photos AND ($data["type"] == "photo")) {
174 if (sizeof($data["images"]) > 0) {
175 $preview = $data["images"][0];
180 // Escape some bad characters
181 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
182 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
184 $text = "[attachment type='".$data["type"]."'";
186 if ($data["text"] == "") {
187 $data["text"] = $data["title"];
190 if ($data["text"] == "") {
191 $data["text"] = $data["url"];
194 if ($data["url"] != "") {
195 $text .= " url='".$data["url"]."'";
198 if ($data["title"] != "") {
199 $text .= " title='".$data["title"]."'";
202 if (sizeof($data["images"]) > 0) {
203 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
204 // if the preview picture is larger than 500 pixels then show it in a larger mode
205 // But only, if the picture isn't higher than large (To prevent huge posts)
206 if (($data["images"][0]["width"] >= 500) AND ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
207 $text .= " image='".$preview."'";
209 $text .= " preview='".$preview."'";
213 $text .= "]".$data["text"]."[/attachment]";
216 if (isset($data["keywords"]) AND count($data["keywords"])) {
218 foreach ($data["keywords"] AS $keyword) {
219 /// @todo make a positive list of allowed characters
220 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
221 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
222 $hashtags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
226 return "\n".$text.$hashtags;
229 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
231 $data = ParseUrl::getSiteinfoCached($url, true);
234 $data["images"][0]["src"] = $photo;
237 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
239 if (!$keywords AND isset($data["keywords"])) {
240 unset($data["keywords"]);
243 if (($keyword_blacklist != "") AND isset($data["keywords"])) {
244 $list = explode(", ", $keyword_blacklist);
245 foreach ($list AS $keyword) {
246 $keyword = trim($keyword);
247 $index = array_search($keyword, $data["keywords"]);
248 if ($index !== false) {
249 unset($data["keywords"][$index]);
257 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
258 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
261 if (isset($data["keywords"]) AND count($data["keywords"])) {
262 foreach ($data["keywords"] AS $keyword) {
263 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
264 array("", "", "", "", "", ""), $keyword);
270 $tags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
277 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
278 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
280 $text = add_page_info_data($data);
285 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
287 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
289 $URLSearchString = "^\[\]";
291 // Fix for Mastodon where the mentions are in a different format
292 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
293 '$2[url=$1]$3[/url]', $body);
295 // Adding these spaces is a quick hack due to my problems with regular expressions :)
296 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
299 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
302 // Convert urls without bbcode elements
303 if (!$matches AND $texturl) {
304 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
306 // Yeah, a hack. I really hate regular expressions :)
308 $matches[1] = $matches[2];
313 $footer = add_page_info($matches[1], $no_photos);
316 // Remove the link from the body if the link is attached at the end of the post
317 if (isset($footer) AND (trim($footer) != "") AND (strpos($footer, $matches[1]))) {
318 $removedlink = trim(str_replace($matches[1], "", $body));
319 if (($removedlink == "") OR strstr($body, $removedlink)) {
320 $body = $removedlink;
323 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
324 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
325 if (($removedlink == "") OR strstr($body, $removedlink)) {
326 $body = $removedlink;
330 // Add the page information to the bottom
331 if (isset($footer) AND (trim($footer) != "")) {
339 * Adds a "lang" specification in a "postopts" element of given $arr,
340 * if possible and not already present.
341 * Expects "body" element to exist in $arr.
343 * @todo Add a parameter to request forcing override
345 function item_add_language_opt(&$arr) {
347 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
348 // LanguageDetect.php not available ?
352 if (x($arr, 'postopts') ) {
353 if (strstr($arr['postopts'], 'lang=') ) {
355 /// @TODO Add parameter to request overriding
358 $postopts = $arr['postopts'];
363 require_once('library/langdet/Text/LanguageDetect.php');
365 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
366 $l = new Text_LanguageDetect();
367 //$lng = $l->detectConfidence($naked_body);
368 //$arr['postopts'] = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
369 $lng = $l->detect($naked_body, 3);
371 if (sizeof($lng) > 0) {
372 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
373 $postopts .= 'lang=';
375 foreach ($lng as $language => $score) {
376 $postopts .= $sep . $language . ";" . $score;
379 $arr['postopts'] = $postopts;
384 * @brief Creates an unique guid out of a given uri
386 * @param string $uri uri of an item entry
387 * @param string $host (Optional) hostname for the GUID prefix
388 * @return string unique guid
390 function uri_to_guid($uri, $host = "") {
392 // Our regular guid routine is using this kind of prefix as well
393 // We have to avoid that different routines could accidentally create the same value
394 $parsed = parse_url($uri);
397 $host = $parsed["host"];
400 $guid_prefix = hash("crc32", $host);
402 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
403 unset($parsed["scheme"]);
405 $host_id = implode("/", $parsed);
407 // We could use any hash algorithm since it isn't a security issue
408 $host_hash = hash("ripemd128", $host_id);
410 return $guid_prefix.$host_hash;
414 * @brief Store the conversation data
416 * @param array $arr Item array with conversation data
417 * @return array Item array with removed conversation data
419 function store_conversation($arr) {
420 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
421 $conversation = array('item-uri' => $arr['uri'], 'received' => dbm::date());
423 if (isset($arr['parent-uri']) AND ($arr['parent-uri'] != $arr['uri'])) {
424 $conversation['reply-to-uri'] = $arr['parent-uri'];
426 if (isset($arr['thr-parent']) AND ($arr['thr-parent'] != $arr['uri'])) {
427 $conversation['reply-to-uri'] = $arr['thr-parent'];
430 if (isset($arr['conversation-uri'])) {
431 $conversation['conversation-uri'] = $arr['conversation-uri'];
434 if (isset($arr['conversation-href'])) {
435 $conversation['conversation-href'] = $arr['conversation-href'];
438 if (isset($arr['protocol'])) {
439 $conversation['protocol'] = $arr['protocol'];
442 if (isset($arr['source'])) {
443 $conversation['source'] = $arr['source'];
446 $conv = dba::fetch_first("SELECT `protocol` FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
447 if (dbm::is_result($conv)) {
448 if (($conv['protocol'] < $conversation['protocol']) AND ($conv['protocol'] != 0)) {
449 unset($conversation['protocol']);
450 unset($conversation['source']);
452 // Replace the conversation entry when the new one is better
453 //if ((($conv['protocol'] == 0) OR ($conv['protocol'] >= $conversation['protocol'])) AND ($conversation['protocol'] > 0)) {
454 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']))) {
455 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
459 if (!dba::insert('conversation', $conversation)) {
460 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
465 unset($arr['conversation-uri']);
466 unset($arr['conversation-href']);
467 unset($arr['protocol']);
468 unset($arr['source']);
473 /// @TODO add type-hint array
474 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
478 // If it is a posting where users should get notifications, then define it as wall posting
481 $arr['type'] = 'wall';
483 $arr['last-child'] = 1;
484 $arr['network'] = NETWORK_DFRN;
485 $arr['protocol'] = PROTOCOL_DFRN;
487 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
488 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
489 // This is done because our host is the original creator of the post.
490 if (!isset($arr['guid'])) {
491 if (isset($arr['plink'])) {
492 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
493 } elseif (isset($arr['uri'])) {
494 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
499 // Store conversation data
500 $arr = store_conversation($arr);
503 * If a Diaspora signature structure was passed in, pull it out of the
504 * item array and set it aside for later storage.
508 if (x($arr, 'dsprsig')) {
509 $encoded_signature = $arr['dsprsig'];
510 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
511 unset($arr['dsprsig']);
514 // Converting the plink
515 if ($arr['network'] == NETWORK_OSTATUS) {
516 if (isset($arr['plink'])) {
517 $arr['plink'] = ostatus::convert_href($arr['plink']);
518 } elseif (isset($arr['uri'])) {
519 $arr['plink'] = ostatus::convert_href($arr['uri']);
523 if (x($arr, 'gravity')) {
524 $arr['gravity'] = intval($arr['gravity']);
525 } elseif ($arr['parent-uri'] === $arr['uri']) {
527 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
530 $arr['gravity'] = 6; // extensible catchall
533 if (! x($arr, 'type')) {
534 $arr['type'] = 'remote';
537 // check for create date and expire time
538 $uid = intval($arr['uid']);
539 $r = q("SELECT expire FROM user WHERE uid = %d", intval($uid));
540 if (dbm::is_result($r)) {
541 $expire_interval = $r[0]['expire'];
542 if ($expire_interval>0) {
543 $expire_date = new DateTime( '- '.$expire_interval.' days', new DateTimeZone('UTC'));
544 $created_date = new DateTime($arr['created'], new DateTimeZone('UTC'));
545 if ($created_date < $expire_date) {
546 logger('item-store: item created ('.$arr['created'].') before expiration time ('.$expire_date->format(DateTime::W3C).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
553 * Do we already have this item?
554 * We have to check several networks since Friendica posts could be repeated
555 * via OStatus (maybe Diasporsa as well)
557 if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
558 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
559 dbesc(trim($arr['uri'])),
561 dbesc(NETWORK_DIASPORA),
563 dbesc(NETWORK_OSTATUS)
565 if (dbm::is_result($r)) {
566 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
568 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
575 /// @TODO old-lost code?
576 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
577 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
578 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
579 // $arr['body'] = strip_tags($arr['body']);
581 item_add_language_opt($arr);
585 } elseif ((trim($arr['guid']) == "") AND (trim($arr['plink']) != "")) {
586 $arr['guid'] = uri_to_guid($arr['plink']);
587 } elseif ((trim($arr['guid']) == "") AND (trim($arr['uri']) != "")) {
588 $arr['guid'] = uri_to_guid($arr['uri']);
590 $parsed = parse_url($arr["author-link"]);
591 $guid_prefix = hash("crc32", $parsed["host"]);
594 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
595 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
596 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
597 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
598 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
599 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
600 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
601 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
602 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
603 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
604 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : datetime_convert());
605 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : datetime_convert());
606 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : datetime_convert());
607 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
608 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : datetime_convert());
609 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
610 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
611 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
612 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
613 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
615 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
616 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
617 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
618 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
619 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
620 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
621 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
622 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
623 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
624 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
625 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
626 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
627 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
628 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
629 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
630 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
631 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
632 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
633 $arr['network'] = ((x($arr, 'network')) ? trim($arr['network']) : '');
634 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
635 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
636 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
637 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
638 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
640 // Items cannot be stored before they happen ...
641 if ($arr['created'] > datetime_convert()) {
642 $arr['created'] = datetime_convert();
645 // We haven't invented time travel by now.
646 if ($arr['edited'] > datetime_convert()) {
647 $arr['edited'] = datetime_convert();
650 if (($arr['author-link'] == "") AND ($arr['owner-link'] == "")) {
651 logger("Both author-link and owner-link are empty. Called by: " . App::callstack(), LOGGER_DEBUG);
654 if ($arr['plink'] == "") {
655 $arr['plink'] = App::get_baseurl() . '/display/' . urlencode($arr['guid']);
658 if ($arr['network'] == "") {
659 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
660 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
661 dbesc(normalise_link($arr['author-link'])),
665 if (!dbm::is_result($r))
666 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
667 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
668 dbesc(normalise_link($arr['author-link']))
671 if (!dbm::is_result($r)) {
672 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
673 intval($arr['contact-id']),
678 if (dbm::is_result($r)) {
679 $arr['network'] = $r[0]["network"];
682 // Fallback to friendica (why is it empty in some cases?)
683 if ($arr['network'] == "") {
684 $arr['network'] = NETWORK_DFRN;
687 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
690 // The contact-id should be set before "item_store" was called - but there seems to be some issues
691 if ($arr["contact-id"] == 0) {
693 * First we are looking for a suitable contact that matches with the author of the post
694 * This is done only for comments (See below explanation at "gcontact-id")
696 if ($arr['parent-uri'] != $arr['uri']) {
697 $arr["contact-id"] = get_contact($arr['author-link'], $uid);
700 // If not present then maybe the owner was found
701 if ($arr["contact-id"] == 0) {
702 $arr["contact-id"] = get_contact($arr['owner-link'], $uid);
705 // Still missing? Then use the "self" contact of the current user
706 if ($arr["contact-id"] == 0) {
707 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
709 if (dbm::is_result($r)) {
710 $arr["contact-id"] = $r[0]["id"];
714 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
717 if ($arr["gcontact-id"] == 0) {
719 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
720 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
721 * On comments the author is the better choice.
723 if ($arr['parent-uri'] === $arr['uri']) {
724 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['owner-link'], "network" => $arr['network'],
725 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
727 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['author-link'], "network" => $arr['network'],
728 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
732 if ($arr["author-id"] == 0) {
733 $arr["author-id"] = get_contact($arr["author-link"], 0);
736 if ($arr["owner-id"] == 0) {
737 $arr["owner-id"] = get_contact($arr["owner-link"], 0);
740 if ($arr['guid'] != "") {
741 // Checking if there is already an item with the same guid
742 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
743 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
744 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
746 if (dbm::is_result($r)) {
747 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
752 // Check for hashtags in the body and repair or add hashtag links
753 item_body_set_hashtags($arr);
755 $arr['thr-parent'] = $arr['parent-uri'];
757 if ($arr['parent-uri'] === $arr['uri']) {
760 $allow_cid = $arr['allow_cid'];
761 $allow_gid = $arr['allow_gid'];
762 $deny_cid = $arr['deny_cid'];
763 $deny_gid = $arr['deny_gid'];
764 $notify_type = 'wall-new';
767 // find the parent and snarf the item id and ACLs
768 // and anything else we need to inherit
770 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
771 dbesc($arr['parent-uri']),
775 if (dbm::is_result($r)) {
777 // is the new message multi-level threaded?
778 // even though we don't support it now, preserve the info
779 // and re-attach to the conversation parent.
781 if ($r[0]['uri'] != $r[0]['parent-uri']) {
782 $arr['parent-uri'] = $r[0]['parent-uri'];
783 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
784 ORDER BY `id` ASC LIMIT 1",
785 dbesc($r[0]['parent-uri']),
786 dbesc($r[0]['parent-uri']),
790 if (dbm::is_result($z)) {
795 $parent_id = $r[0]['id'];
796 $parent_deleted = $r[0]['deleted'];
797 $allow_cid = $r[0]['allow_cid'];
798 $allow_gid = $r[0]['allow_gid'];
799 $deny_cid = $r[0]['deny_cid'];
800 $deny_gid = $r[0]['deny_gid'];
801 $arr['wall'] = $r[0]['wall'];
802 $notify_type = 'comment-new';
805 * If the parent is private, force privacy for the entire conversation
806 * This differs from the above settings as it subtly allows comments from
807 * email correspondents to be private even if the overall thread is not.
809 if ($r[0]['private']) {
810 $arr['private'] = $r[0]['private'];
814 * Edge case. We host a public forum that was originally posted to privately.
815 * The original author commented, but as this is a comment, the permissions
816 * weren't fixed up so it will still show the comment as private unless we fix it here.
818 if ((intval($r[0]['forum_mode']) == 1) && (! $r[0]['private'])) {
822 // If its a post from myself then tag the thread as "mention"
823 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
824 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
825 if (dbm::is_result($u)) {
827 $self = normalise_link(App::get_baseurl() . '/profile/' . $u[0]['nickname']);
828 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
829 if ((normalise_link($arr['author-link']) == $self) OR (normalise_link($arr['owner-link']) == $self)) {
830 q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($parent_id));
831 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
836 * Allow one to see reply tweets from status.net even when
837 * we don't have or can't see the original post.
840 logger('item_store: $force_parent=true, reply converted to top-level post.');
842 $arr['parent-uri'] = $arr['uri'];
845 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
853 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
855 dbesc($arr['network']),
859 if (dbm::is_result($r)) {
860 logger('duplicated item with the same uri found. '.print_r($arr,true));
864 // On Friendica and Diaspora the GUID is unique
865 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
866 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
870 if (dbm::is_result($r)) {
871 logger('duplicated item with the same guid found. '.print_r($arr,true));
875 // Check for an existing post with the same content. There seems to be a problem with OStatus.
876 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
878 dbesc($arr['network']),
879 dbesc($arr['created']),
880 intval($arr['contact-id']),
883 if (dbm::is_result($r)) {
884 logger('duplicated item with the same body found. '.print_r($arr,true));
889 // Is this item available in the global items (with uid=0)?
890 if ($arr["uid"] == 0) {
891 $arr["global"] = true;
893 // Set the global flag on all items if this was a global item entry
894 q("UPDATE `item` SET `global` = 1 WHERE `uri` = '%s'", dbesc($arr["uri"]));
896 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
898 $arr["global"] = (dbm::is_result($isglobal) && count($isglobal) > 0);
902 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
905 $private = $arr['private'];
908 $arr["allow_cid"] = $allow_cid;
909 $arr["allow_gid"] = $allow_gid;
910 $arr["deny_cid"] = $deny_cid;
911 $arr["deny_gid"] = $deny_gid;
912 $arr["private"] = $private;
913 $arr["deleted"] = $parent_deleted;
915 // Fill the cache field
916 put_item_in_cache($arr);
919 call_hooks('post_local', $arr);
921 call_hooks('post_remote', $arr);
924 if (x($arr, 'cancel')) {
925 logger('item_store: post cancelled by plugin.');
930 * Check for already added items.
931 * There is a timing issue here that sometimes creates double postings.
932 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
934 if ($arr["uid"] == 0) {
935 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
936 if (dbm::is_result($r)) {
937 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
942 // Store the unescaped version
945 dbm::esc_array($arr, true);
947 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
950 q("START TRANSACTION;");
952 $r = dbq("INSERT INTO `item` (`"
953 . implode("`, `", array_keys($arr))
955 . implode(", ", array_values($arr))
961 // When the item was successfully stored we fetch the ID of the item.
962 if (dbm::is_result($r)) {
963 $r = q("SELECT LAST_INSERT_ID() AS `item-id`");
964 if (dbm::is_result($r)) {
965 $current_post = $r[0]['item-id'];
967 // This shouldn't happen
971 // This can happen - for example - if there are locking timeouts.
974 // Store the data into a spool file so that we can try again later.
976 // At first we restore the Diaspora signature that we removed above.
977 if (isset($encoded_signature)) {
978 $arr['dsprsig'] = $encoded_signature;
981 // Now we store the data in the spool directory
982 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
983 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
985 $spoolpath = get_spoolpath();
986 if ($spoolpath != "") {
987 $spool = $spoolpath.'/'.$file;
988 file_put_contents($spool, json_encode($arr));
989 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
994 if ($current_post == 0) {
995 // This is one of these error messages that never should occur.
996 logger("couldn't find created item - we better quit now.");
1001 // How much entries have we created?
1002 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1003 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1005 intval($arr['uid']),
1006 dbesc($arr['network'])
1009 if (!dbm::is_result($r)) {
1010 // This shouldn't happen, since COUNT always works when the database connection is there.
1011 logger("We couldn't count the stored entries. Very strange ...");
1016 if ($r[0]["entries"] > 1) {
1017 // There are duplicates. We delete our just created entry.
1018 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1020 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1021 q("DELETE FROM `item` WHERE `id` = %d", intval($current_post));
1024 } elseif ($r[0]["entries"] == 0) {
1025 // This really should never happen since we quit earlier if there were problems.
1026 logger("Something is terribly wrong. We haven't found our created entry.");
1031 logger('item_store: created item '.$current_post);
1032 item_set_last_item($arr);
1034 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1035 $parent_id = $current_post;
1039 $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
1041 intval($current_post)
1044 $arr['id'] = $current_post;
1045 $arr['parent'] = $parent_id;
1047 // update the commented timestamp on the parent
1048 // Only update "commented" if it is really a comment
1049 if (($arr['verb'] == ACTIVITY_POST) OR !get_config("system", "like_no_comment")) {
1050 q("UPDATE `item` SET `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
1051 dbesc(datetime_convert()),
1052 dbesc(datetime_convert()),
1056 q("UPDATE `item` SET `changed` = '%s' WHERE `id` = %d",
1057 dbesc(datetime_convert()),
1065 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1066 * We can check for this condition when we decode and encode the stuff again.
1068 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1069 $dsprsig->signature = base64_decode($dsprsig->signature);
1070 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1073 q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1074 intval($current_post),
1075 dbesc($dsprsig->signed_text),
1076 dbesc($dsprsig->signature),
1077 dbesc($dsprsig->signer)
1081 $deleted = tag_deliver($arr['uid'], $current_post);
1084 * current post can be deleted if is for a community page and no mention are
1087 if (!$deleted AND !$dontcache) {
1089 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1090 if ((dbm::is_result($r)) && (count($r) == 1)) {
1092 call_hooks('post_local_end', $r[0]);
1094 call_hooks('post_remote_end', $r[0]);
1097 logger('item_store: new item not found in DB, id ' . $current_post);
1101 if ($arr['parent-uri'] === $arr['uri']) {
1102 add_thread($current_post);
1104 update_thread($parent_id);
1110 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1111 * This is not perfect - but a workable solution until we found the reason for the problem.
1113 create_tags_from_item($current_post);
1114 create_files_from_item($current_post);
1117 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1118 * It is done after the transaction to avoid dead locks.
1120 if ($arr['last-child']) {
1121 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1123 intval($arr['uid']),
1124 intval($current_post)
1128 if ($arr['parent-uri'] === $arr['uri']) {
1129 add_shadow_thread($current_post);
1131 add_shadow_entry($current_post);
1134 check_item_notification($current_post, $uid);
1137 proc_run(PRIORITY_HIGH, "include/notifier.php", $notify_type, $current_post);
1140 return $current_post;
1144 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1146 * This can be used to filter for inactive contacts.
1147 * Only do this for public postings to avoid privacy problems, since poco data is public.
1148 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1150 * @param array $arr Contains the just posted item record
1152 function item_set_last_item($arr) {
1154 $update = (!$arr['private'] AND (($arr["author-link"] === $arr["owner-link"]) OR ($arr["parent-uri"] === $arr["uri"])));
1156 // Is it a forum? Then we don't care about the rules from above
1157 if (!$update AND ($arr["network"] == NETWORK_DFRN) AND ($arr["parent-uri"] === $arr["uri"])) {
1158 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1159 intval($arr['contact-id']));
1160 if (dbm::is_result($isforum)) {
1166 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1167 dbesc($arr['received']),
1168 dbesc($arr['received']),
1169 intval($arr['contact-id'])
1172 // Now do the same for the system wide contacts with uid=0
1173 if (!$arr['private']) {
1174 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1175 dbesc($arr['received']),
1176 dbesc($arr['received']),
1177 intval($arr['owner-id'])
1180 if ($arr['owner-id'] != $arr['author-id']) {
1181 q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
1182 dbesc($arr['received']),
1183 dbesc($arr['received']),
1184 intval($arr['author-id'])
1190 function item_body_set_hashtags(&$item) {
1192 $tags = get_tags($item["body"]);
1195 if (!count($tags)) {
1199 // This sorting is important when there are hashtags that are part of other hashtags
1200 // Otherwise there could be problems with hashtags like #test and #test2
1205 $URLSearchString = "^\[\]";
1207 /// @TODO old-lost code?
1208 // All hashtags should point to the home server
1209 //$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1210 // "#[url=".App::get_baseurl()."/search?tag=$2]$2[/url]", $item["body"]);
1212 //$item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1213 // "#[url=".App::get_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 $newtag = '#[url=' . App::get_baseurl() . '/search?tag=' . rawurlencode($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(App::get_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(App::get_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 q("DELETE FROM item WHERE id = %d and uid = %d",
1385 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1387 call_hooks('tagged', $arr);
1389 if ((! $community_page) && (! $prvgroup)) {
1394 * tgroup delivery - setup a second delivery chain
1395 * prevent delivery looping - only proceed
1396 * if the message originated elsewhere and is a top-level post
1398 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1402 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1403 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1404 intval($u[0]['uid'])
1406 if (! dbm::is_result($c)) {
1410 // also reset all the privacy bits to the forum default permissions
1412 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1414 $forum_mode = (($prvgroup) ? 2 : 1);
1416 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1417 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1418 intval($forum_mode),
1419 dbesc($c[0]['name']),
1420 dbesc($c[0]['url']),
1421 dbesc($c[0]['thumb']),
1423 dbesc($u[0]['allow_cid']),
1424 dbesc($u[0]['allow_gid']),
1425 dbesc($u[0]['deny_cid']),
1426 dbesc($u[0]['deny_gid']),
1429 update_thread($item_id);
1431 proc_run(PRIORITY_HIGH,'include/notifier.php', 'tgroup', $item_id);
1437 function tgroup_check($uid, $item) {
1441 // check that the message originated elsewhere and is a top-level post
1443 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1447 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1448 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1451 if (! dbm::is_result($u)) {
1455 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1456 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1458 $link = normalise_link(App::get_baseurl() . '/profile/' . $u[0]['nickname']);
1461 * Diaspora uses their own hardwired link URL in @-tags
1462 * instead of the one we supply with webfinger
1464 $dlink = normalise_link(App::get_baseurl() . '/u/' . $u[0]['nickname']);
1466 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1468 foreach ($matches as $mtch) {
1469 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1471 logger('tgroup_check: mention found: ' . $mtch[2]);
1480 /// @TODO Combine both return statements into one
1481 return (($community_page) || ($prvgroup));
1485 * This function returns true if $update has an edited timestamp newer
1486 * than $existing, i.e. $update contains new data which should override
1487 * what's already there. If there is no timestamp yet, the update is
1488 * assumed to be newer. If the update has no timestamp, the existing
1489 * item is assumed to be up-to-date. If the timestamps are equal it
1490 * assumes the update has been seen before and should be ignored.
1492 * @todo fix type-hints (both array)
1494 function edited_timestamp_is_newer ($existing, $update) {
1495 if (!x($existing, 'edited') || !$existing['edited']) {
1498 if (!x($update, 'edited') || !$update['edited']) {
1502 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1503 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1504 return (strcmp($existing_edited, $update_edited) < 0);
1509 * consume_feed - process atom feed and update anything/everything we might need to update
1511 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1513 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1514 * It is this person's stuff that is going to be updated.
1515 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1516 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1517 * have a contact record.
1518 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1519 * might not) try and subscribe to it.
1520 * $datedir sorts in reverse order
1521 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1522 * imported prior to its children being seen in the stream unless we are certain
1523 * of how the feed is arranged/ordered.
1524 * With $pass = 1, we only pull parent items out of the stream.
1525 * With $pass = 2, we only pull children (comments/likes).
1527 * So running this twice, first with pass 1 and then with pass 2 will do the right
1528 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1529 * model where comments can have sub-threads. That would require some massive sorting
1530 * to get all the feed items into a mostly linear ordering, and might still require
1533 * @todo find proper type-hints
1535 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1536 if ($contact['network'] === NETWORK_OSTATUS) {
1538 // Test - remove before flight
1539 //$tempfile = tempnam(get_temppath(), "ostatus2");
1540 //file_put_contents($tempfile, $xml);
1541 logger("Consume OStatus messages ", LOGGER_DEBUG);
1542 ostatus::import($xml, $importer, $contact, $hub);
1547 if ($contact['network'] === NETWORK_FEED) {
1549 logger("Consume feeds", LOGGER_DEBUG);
1550 feed_import($xml, $importer, $contact, $hub);
1555 if ($contact['network'] === NETWORK_DFRN) {
1556 logger("Consume DFRN messages", LOGGER_DEBUG);
1558 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1559 `contact`.`pubkey` AS `cpubkey`,
1560 `contact`.`prvkey` AS `cprvkey`,
1561 `contact`.`thumb` AS `thumb`,
1562 `contact`.`url` as `url`,
1563 `contact`.`name` as `senderName`,
1566 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1567 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1568 dbesc($contact["id"]), dbesc($importer["uid"])
1570 if (dbm::is_result($r)) {
1571 logger("Now import the DFRN feed");
1572 dfrn::import($xml, $r[0], true);
1578 /// @TODO type-hint is array
1579 function item_is_remote_self($contact, &$datarray) {
1582 if (!$contact['remote_self']) {
1586 // Prevent the forwarding of posts that are forwarded
1587 if ($datarray["extid"] == NETWORK_DFRN) {
1591 // Prevent to forward already forwarded posts
1592 if ($datarray["app"] == $a->get_hostname()) {
1596 // Only forward posts
1597 if ($datarray["verb"] != ACTIVITY_POST) {
1601 if (($contact['network'] != NETWORK_FEED) AND $datarray['private']) {
1605 $datarray2 = $datarray;
1606 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1607 if ($contact['remote_self'] == 2) {
1608 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1609 intval($contact['uid']));
1610 if (dbm::is_result($r)) {
1611 $datarray['contact-id'] = $r[0]["id"];
1613 $datarray['owner-name'] = $r[0]["name"];
1614 $datarray['owner-link'] = $r[0]["url"];
1615 $datarray['owner-avatar'] = $r[0]["thumb"];
1617 $datarray['author-name'] = $datarray['owner-name'];
1618 $datarray['author-link'] = $datarray['owner-link'];
1619 $datarray['author-avatar'] = $datarray['owner-avatar'];
1622 if ($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 $datarray["app"] = "Feed";
1646 /// @TODO find proper type-hints
1647 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1648 $url = notags(trim($datarray['author-link']));
1649 $name = notags(trim($datarray['author-name']));
1650 $photo = notags(trim($datarray['author-avatar']));
1652 if (is_object($item)) {
1653 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1654 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1655 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1661 if (is_array($contact)) {
1662 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1663 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1664 $r = q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
1665 intval(CONTACT_IS_FRIEND),
1666 intval($contact['id']),
1667 intval($importer['uid'])
1670 // send email notification to owner?
1673 // create contact record
1675 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1676 `blocked`, `readonly`, `pending`, `writable`)
1677 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1678 intval($importer['uid']),
1679 dbesc(datetime_convert()),
1681 dbesc(normalise_link($url)),
1685 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1686 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1688 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1689 intval($importer['uid']),
1692 if (dbm::is_result($r)) {
1693 $contact_record = $r[0];
1694 update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
1697 /// @TODO Encapsulate this into a function/method
1698 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1699 intval($importer['uid'])
1702 if (dbm::is_result($r) AND !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
1704 // create notification
1705 $hash = random_string();
1707 if (is_array($contact_record)) {
1708 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
1709 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
1710 intval($importer['uid']),
1711 intval($contact_record['id']),
1713 dbesc(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' => $r[0]['uid'],
1733 'link' => App::get_baseurl() . '/notifications/intro',
1734 'source_name' => ((strlen(stripslashes($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($r) AND in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
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) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1755 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
1756 intval(CONTACT_IS_SHARING),
1757 intval($contact['id'])
1760 contact_remove($contact['id']);
1764 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1766 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1767 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
1768 intval(CONTACT_IS_FOLLOWER),
1769 intval($contact['id'])
1772 contact_remove($contact['id']);
1776 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1780 if (is_array($importer)) {
1781 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1782 intval($importer['uid'])
1787 * Diaspora has different message-ids in feeds than they do
1788 * through the direct Diaspora protocol. If we try and use
1789 * the feed, we'll get duplicates. So don't.
1791 if ((! dbm::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1795 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1797 // Use a single verify token, even if multiple hubs
1798 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1800 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1802 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1804 if (!strlen($contact['hub-verify']) OR ($contact['hub-verify'] != $verify_token)) {
1805 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d",
1806 dbesc($verify_token),
1807 intval($contact['id'])
1811 post_url($url, $params);
1813 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1819 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1821 if (get_config('system','disable_embedded')) {
1827 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1828 $site = substr(App::get_baseurl(),strpos(App::get_baseurl(),'://'));
1833 $img_start = strpos($orig_body, '[img');
1834 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1835 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1836 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1838 $img_st_close++; // make it point to AFTER the closing bracket
1839 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1841 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1844 if (stristr($image , $site . '/photo/')) {
1845 // Only embed locally hosted photos
1847 $i = basename($image);
1848 $i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
1849 $x = strpos($i, '-');
1852 $res = substr($i, $x + 1);
1853 $i = substr($i, 0, $x);
1854 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1860 if (dbm::is_result($r)) {
1862 * Check to see if we should replace this photo link with an embedded image
1863 * 1. No need to do so if the photo is public
1864 * 2. If there's a contact-id provided, see if they're in the access list
1865 * for the photo. If so, embed it.
1866 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1867 * permissions, regardless of order but first check to see if they're an exact
1868 * match to save some processing overhead.
1870 if (has_permissions($r[0])) {
1872 $recips = enumerate_permissions($r[0]);
1873 if (in_array($cid, $recips)) {
1877 if (compare_permissions($item, $r[0])) {
1883 $data = $r[0]['data'];
1884 $type = $r[0]['type'];
1886 // If a custom width and height were specified, apply before embedding
1887 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1888 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1890 $width = intval($match[1]);
1891 $height = intval($match[2]);
1893 $ph = new Photo($data, $type);
1894 if ($ph->is_valid()) {
1895 $ph->scaleImage(max($width, $height));
1896 $data = $ph->imageString();
1897 $type = $ph->getType();
1901 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1902 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1903 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1909 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1910 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1911 if ($orig_body === false) {
1915 $img_start = strpos($orig_body, '[img');
1916 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1917 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1920 $new_body = $new_body . $orig_body;
1925 /// @TODO type-hint is array
1926 function has_permissions($obj) {
1929 x($obj, 'allow_cid')
1931 x($obj, 'allow_gid')
1940 /// @TODO type-hint is array
1941 function compare_permissions($obj1, $obj2) {
1942 // first part is easy. Check that these are exactly the same.
1943 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1944 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1945 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1946 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1950 // This is harder. Parse all the permissions and compare the resulting set.
1951 $recipients1 = enumerate_permissions($obj1);
1952 $recipients2 = enumerate_permissions($obj2);
1956 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1957 return ($recipients1 == $recipients2);
1960 // returns an array of contact-ids that are allowed to see this object
1961 /// @TODO type-hint is array
1962 function enumerate_permissions($obj) {
1963 $allow_people = expand_acl($obj['allow_cid']);
1964 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1965 $deny_people = expand_acl($obj['deny_cid']);
1966 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1967 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1968 $deny = array_unique(array_merge($deny_people, $deny_groups));
1969 $recipients = array_diff($recipients, $deny);
1973 function item_getfeedtags($item) {
1976 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1978 for ($x = 0; $x < $cnt; $x ++) {
1979 if ($matches[1][$x]) {
1980 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1985 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1987 for ($x = 0; $x < $cnt; $x ++) {
1988 if ($matches[1][$x]) {
1989 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1996 function item_expire($uid, $days, $network = "", $force = false) {
1998 if ((! $uid) || ($days < 1)) {
2003 * $expire_network_only = save your own wall posts
2004 * and just expire conversations started by others
2006 $expire_network_only = get_pconfig($uid,'expire', 'network_only');
2007 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
2009 if ($network != "") {
2010 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2013 * There is an index "uid_network_received" but not "uid_network_created"
2014 * This avoids the creation of another index just for one purpose.
2015 * And it doesn't really matter wether to look at "received" or "created"
2017 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2019 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2022 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2023 WHERE `uid` = %d $range
2031 if (! dbm::is_result($r)) {
2035 $expire_items = get_pconfig($uid, 'expire', 'items');
2036 $expire_items = (($expire_items === false) ? 1 : intval($expire_items)); // default if not set: 1
2038 // Forcing expiring of items - but not notes and marked items
2040 $expire_items = true;
2043 $expire_notes = get_pconfig($uid, 'expire', 'notes');
2044 $expire_notes = (($expire_notes === false) ? 1 : intval($expire_notes)); // default if not set: 1
2046 $expire_starred = get_pconfig($uid, 'expire', 'starred');
2047 $expire_starred = (($expire_starred === false) ? 1 : intval($expire_starred)); // default if not set: 1
2049 $expire_photos = get_pconfig($uid, 'expire', 'photos');
2050 $expire_photos = (($expire_photos === false) ? 0 : intval($expire_photos)); // default if not set: 0
2052 logger('expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2054 foreach ($r as $item) {
2056 // don't expire filed items
2058 if (strpos($item['file'],'[') !== false) {
2062 // Only expire posts, not photos and photo comments
2064 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2066 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2068 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2070 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2074 drop_item($item['id'], false);
2077 proc_run(PRIORITY_HIGH, "include/notifier.php", "expire", $uid);
2081 /// @TODO type-hint is array
2082 function drop_items($items) {
2085 if (! local_user() && ! remote_user()) {
2089 if (count($items)) {
2090 foreach ($items as $item) {
2091 $owner = drop_item($item,false);
2092 if ($owner && ! $uid)
2097 // multiple threads may have been deleted, send an expire notification
2100 proc_run(PRIORITY_HIGH, "include/notifier.php", "expire", $uid);
2105 function drop_item($id, $interactive = true) {
2109 // locate item to be deleted
2111 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2115 if (! dbm::is_result($r)) {
2116 if (! $interactive) {
2119 notice( t('Item not found.') . EOL);
2120 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2125 $owner = $item['uid'];
2129 // check if logged in user is either the author or owner of this item
2131 if (is_array($_SESSION['remote'])) {
2132 foreach ($_SESSION['remote'] as $visitor) {
2133 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2134 $contact_id = $visitor['cid'];
2141 if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
2143 // Check if we should do HTML-based delete confirmation
2144 if ($_REQUEST['confirm']) {
2145 // <form> can't take arguments in its "action" parameter
2146 // so add any arguments as hidden inputs
2147 $query = explode_querystring($a->query_string);
2149 foreach ($query['args'] as $arg) {
2150 if (strpos($arg, 'confirm=') === false) {
2151 $arg_parts = explode('=', $arg);
2152 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2156 return replace_macros(get_markup_template('confirm.tpl'), array(
2158 '$message' => t('Do you really want to delete this item?'),
2159 '$extra_inputs' => $inputs,
2160 '$confirm' => t('Yes'),
2161 '$confirm_url' => $query['base'],
2162 '$confirm_name' => 'confirmed',
2163 '$cancel' => t('Cancel'),
2166 // Now check how the user responded to the confirmation query
2167 if ($_REQUEST['canceled']) {
2168 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2171 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2174 $r = q("UPDATE `item` SET `deleted` = 1, `title` = '', `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d",
2175 dbesc(datetime_convert()),
2176 dbesc(datetime_convert()),
2179 create_tags_from_item($item['id']);
2180 create_files_from_item($item['id']);
2181 delete_thread($item['id'], $item['parent-uri']);
2183 // clean up categories and tags so they don't end up as orphans
2186 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2188 foreach ($matches as $mtch) {
2189 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2195 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2197 foreach ($matches as $mtch) {
2198 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2203 * If item is a link to a photo resource, nuke all the associated photos
2204 * (visitors will not have photo resources)
2205 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2206 * generate a resource-id and therefore aren't intimately linked to the item.
2208 if (strlen($item['resource-id'])) {
2209 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
2210 dbesc($item['resource-id']),
2211 intval($item['uid'])
2213 // ignore the result
2216 // If item is a link to an event, nuke the event record.
2217 if (intval($item['event-id'])) {
2218 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
2219 intval($item['event-id']),
2220 intval($item['uid'])
2222 // ignore the result
2225 // If item has attachments, drop them
2226 foreach (explode(", ", $item['attach']) as $attach) {
2227 preg_match("|attach/(\d+)|", $attach, $matches);
2228 q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
2229 intval($matches[1]),
2232 // ignore the result
2236 // clean up item_id and sign meta-data tables
2239 /// @TODO Old code - caused very long queries and warning entries in the mysql logfiles:
2241 $r = q("DELETE FROM item_id where iid in (select id from item where parent = %d and uid = %d)",
2242 intval($item['id']),
2243 intval($item['uid'])
2246 $r = q("DELETE FROM sign where iid in (select id from item where parent = %d and uid = %d)",
2247 intval($item['id']),
2248 intval($item['uid'])
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 $drop_id = intval($item['id']);
2310 // send the notification upstream/downstream as the case may be
2312 proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
2314 if (! $interactive) {
2317 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2320 if (! $interactive) {
2323 notice( t('Permission denied.') . EOL);
2324 goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
2331 function first_post_date($uid, $wall = false) {
2332 $r = q("SELECT `id`, `created` FROM `item`
2333 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2335 ORDER BY `created` ASC LIMIT 1",
2337 intval($wall ? 1 : 0)
2339 if (dbm::is_result($r)) {
2340 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2341 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2346 /* modified posted_dates() {below} to arrange the list in years */
2347 function list_post_dates($uid, $wall) {
2348 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2350 $dthen = first_post_date($uid, $wall);
2355 // Set the start and end date to the beginning of the month
2356 $dnow = substr($dnow, 0, 8) . '01';
2357 $dthen = substr($dthen, 0, 8) . '01';
2362 * Starting with the current month, get the first and last days of every
2363 * month down to and including the month of the first post
2365 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2366 $dyear = intval(substr($dnow, 0, 4));
2367 $dstart = substr($dnow, 0, 8) . '01';
2368 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2369 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2370 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2371 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2372 if (!$ret[$dyear]) {
2373 $ret[$dyear] = array();
2375 $ret[$dyear][] = array($str, $end_month, $start_month);
2376 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2381 function posted_dates($uid, $wall) {
2382 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2384 $dthen = first_post_date($uid, $wall);
2389 // Set the start and end date to the beginning of the month
2390 $dnow = substr($dnow, 0, 8) . '01';
2391 $dthen = substr($dthen, 0, 8) . '01';
2395 * Starting with the current month, get the first and last days of every
2396 * month down to and including the month of the first post
2398 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2399 $dstart = substr($dnow, 0, 8) . '01';
2400 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2401 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2402 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2403 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2404 $ret[] = array($str, $end_month, $start_month);
2405 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2411 function posted_date_widget($url, $uid, $wall) {
2414 if (! feature_enabled($uid, 'archives')) {
2418 // For former Facebook folks that left because of "timeline"
2420 * @TODO old-lost code?
2421 if ($wall && intval(get_pconfig($uid, 'system', 'no_wall_archive_widget')))
2425 $visible_years = get_pconfig($uid,'system','archive_visible_years');
2426 if (! $visible_years) {
2430 $ret = list_post_dates($uid, $wall);
2432 if (! dbm::is_result($ret)) {
2436 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2437 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2439 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2440 '$title' => t('Archives'),
2441 '$size' => $visible_years,
2442 '$cutoff_year' => $cutoff_year,
2443 '$cutoff' => $cutoff,
2446 '$showmore' => t('show more')