4 * @file include/items.php
8 use Friendica\Core\System;
9 use Friendica\ParseUrl;
10 use Friendica\Util\Lock;
11 use Friendica\Core\Config;
13 require_once 'include/bbcode.php';
14 require_once 'include/oembed.php';
15 require_once 'include/salmon.php';
16 require_once 'include/crypto.php';
17 require_once 'include/Photo.php';
18 require_once 'include/tags.php';
19 require_once 'include/files.php';
20 require_once 'include/text.php';
21 require_once 'include/email.php';
22 require_once 'include/threads.php';
23 require_once 'include/socgraph.php';
24 require_once 'include/plaintext.php';
25 require_once 'include/ostatus.php';
26 require_once 'include/feed.php';
27 require_once 'include/Contact.php';
28 require_once 'mod/share.php';
29 require_once 'include/enotify.php';
30 require_once 'include/dfrn.php';
31 require_once 'include/group.php';
33 /// @TODO one day with composer autoloader no more needed
34 require_once 'library/defuse/php-encryption-1.2.1/Crypto.php';
36 function construct_verb($item) {
45 * The purpose of this function is to apply system message length limits to
46 * imported messages without including any embedded photos in the length
48 if (! function_exists('limit_body_size')) {
49 function limit_body_size($body) {
51 // logger('limit_body_size: start', LOGGER_DEBUG);
53 $maxlen = get_max_import_size();
55 // If the length of the body, including the embedded images, is smaller
56 // than the maximum, then don't waste time looking for the images
57 if ($maxlen && (strlen($body) > $maxlen)) {
59 logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
66 $img_start = strpos($orig_body, '[img');
67 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
68 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
69 while (($img_st_close !== false) && ($img_end !== false)) {
71 $img_st_close++; // make it point to AFTER the closing bracket
72 $img_end += $img_start;
73 $img_end += strlen('[/img]');
75 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
76 // This is an embedded image
78 if (($textlen + $img_start) > $maxlen ) {
79 if ($textlen < $maxlen) {
80 logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
81 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
85 $new_body = $new_body . substr($orig_body, 0, $img_start);
86 $textlen += $img_start;
89 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
92 if (($textlen + $img_end) > $maxlen ) {
93 if ($textlen < $maxlen) {
94 logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
95 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
99 $new_body = $new_body . substr($orig_body, 0, $img_end);
100 $textlen += $img_end;
103 $orig_body = substr($orig_body, $img_end);
105 if ($orig_body === false) {
106 // in case the body ends on a closing image tag
110 $img_start = strpos($orig_body, '[img');
111 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
112 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
115 if (($textlen + strlen($orig_body)) > $maxlen) {
116 if ($textlen < $maxlen) {
117 logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
118 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
122 logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
123 $new_body = $new_body . $orig_body;
124 $textlen += strlen($orig_body);
133 function title_is_body($title, $body) {
135 $title = strip_tags($title);
136 $title = trim($title);
137 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
138 $title = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $title);
140 $body = strip_tags($body);
142 $body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
143 $body = str_replace(array("\n", "\r", "\t", " "), array("", "", "", ""), $body);
145 if (strlen($title) < strlen($body)) {
146 $body = substr($body, 0, strlen($title));
149 if (($title != $body) && (substr($title, -3) == "...")) {
150 $pos = strrpos($title, "...");
152 $title = substr($title, 0, $pos);
153 $body = substr($body, 0, $pos);
157 return ($title == $body);
160 function add_page_info_data($data) {
161 call_hooks('page_info_data', $data);
163 // It maybe is a rich content, but if it does have everything that a link has,
164 // then treat it that way
165 if (($data["type"] == "rich") && is_string($data["title"]) &&
166 is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
167 $data["type"] = "link";
170 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
174 if ($no_photos && ($data["type"] == "photo")) {
178 if (sizeof($data["images"]) > 0) {
179 $preview = $data["images"][0];
184 // Escape some bad characters
185 $data["url"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
186 $data["title"] = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
188 $text = "[attachment type='".$data["type"]."'";
190 if ($data["text"] == "") {
191 $data["text"] = $data["title"];
194 if ($data["text"] == "") {
195 $data["text"] = $data["url"];
198 if ($data["url"] != "") {
199 $text .= " url='".$data["url"]."'";
202 if ($data["title"] != "") {
203 $text .= " title='".$data["title"]."'";
206 if (sizeof($data["images"]) > 0) {
207 $preview = str_replace(array("[", "]"), array("[", "]"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
208 // if the preview picture is larger than 500 pixels then show it in a larger mode
209 // But only, if the picture isn't higher than large (To prevent huge posts)
210 if (($data["images"][0]["width"] >= 500) && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
211 $text .= " image='".$preview."'";
213 $text .= " preview='".$preview."'";
217 $text .= "]".$data["text"]."[/attachment]";
220 if (isset($data["keywords"]) && count($data["keywords"])) {
222 foreach ($data["keywords"] AS $keyword) {
223 /// @todo make a positive list of allowed characters
224 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
225 array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
226 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
230 return "\n".$text.$hashtags;
233 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
235 $data = ParseUrl::getSiteinfoCached($url, true);
238 $data["images"][0]["src"] = $photo;
241 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
243 if (!$keywords && isset($data["keywords"])) {
244 unset($data["keywords"]);
247 if (($keyword_blacklist != "") && isset($data["keywords"])) {
248 $list = explode(", ", $keyword_blacklist);
249 foreach ($list AS $keyword) {
250 $keyword = trim($keyword);
251 $index = array_search($keyword, $data["keywords"]);
252 if ($index !== false) {
253 unset($data["keywords"][$index]);
261 function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
262 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
265 if (isset($data["keywords"]) && count($data["keywords"])) {
266 foreach ($data["keywords"] AS $keyword) {
267 $hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
268 array("", "", "", "", "", ""), $keyword);
274 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
281 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
282 $data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
284 $text = add_page_info_data($data);
289 function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
291 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
293 $URLSearchString = "^\[\]";
295 // Fix for Mastodon where the mentions are in a different format
296 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
297 '$2[url=$1]$3[/url]', $body);
299 // Adding these spaces is a quick hack due to my problems with regular expressions :)
300 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
303 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
306 // Convert urls without bbcode elements
307 if (!$matches && $texturl) {
308 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
310 // Yeah, a hack. I really hate regular expressions :)
312 $matches[1] = $matches[2];
317 $footer = add_page_info($matches[1], $no_photos);
320 // Remove the link from the body if the link is attached at the end of the post
321 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
322 $removedlink = trim(str_replace($matches[1], "", $body));
323 if (($removedlink == "") || strstr($body, $removedlink)) {
324 $body = $removedlink;
327 $url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
328 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
329 if (($removedlink == "") || strstr($body, $removedlink)) {
330 $body = $removedlink;
334 // Add the page information to the bottom
335 if (isset($footer) && (trim($footer) != "")) {
343 * Adds a "lang" specification in a "postopts" element of given $arr,
344 * if possible and not already present.
345 * Expects "body" element to exist in $arr.
347 * @todo Add a parameter to request forcing override
349 function item_add_language_opt(&$arr) {
351 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
352 // LanguageDetect.php not available ?
356 if (x($arr, 'postopts') ) {
357 if (strstr($arr['postopts'], 'lang=') ) {
359 /// @TODO Add parameter to request overriding
362 $postopts = $arr['postopts'];
367 require_once('library/langdet/Text/LanguageDetect.php');
369 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
370 $l = new Text_LanguageDetect();
371 //$lng = $l->detectConfidence($naked_body);
372 //$arr['postopts'] = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
373 $lng = $l->detect($naked_body, 3);
375 if (sizeof($lng) > 0) {
376 if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
377 $postopts .= 'lang=';
379 foreach ($lng as $language => $score) {
380 $postopts .= $sep . $language . ";" . $score;
383 $arr['postopts'] = $postopts;
388 * @brief Creates an unique guid out of a given uri
390 * @param string $uri uri of an item entry
391 * @param string $host (Optional) hostname for the GUID prefix
392 * @return string unique guid
394 function uri_to_guid($uri, $host = "") {
396 // Our regular guid routine is using this kind of prefix as well
397 // We have to avoid that different routines could accidentally create the same value
398 $parsed = parse_url($uri);
401 $host = $parsed["host"];
404 $guid_prefix = hash("crc32", $host);
406 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
407 unset($parsed["scheme"]);
409 $host_id = implode("/", $parsed);
411 // We could use any hash algorithm since it isn't a security issue
412 $host_hash = hash("ripemd128", $host_id);
414 return $guid_prefix.$host_hash;
418 * @brief Store the conversation data
420 * @param array $arr Item array with conversation data
421 * @return array Item array with removed conversation data
423 function store_conversation($arr) {
424 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
425 $conversation = array('item-uri' => $arr['uri'], 'received' => dbm::date());
427 if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
428 $conversation['reply-to-uri'] = $arr['parent-uri'];
430 if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
431 $conversation['reply-to-uri'] = $arr['thr-parent'];
434 if (isset($arr['conversation-uri'])) {
435 $conversation['conversation-uri'] = $arr['conversation-uri'];
438 if (isset($arr['conversation-href'])) {
439 $conversation['conversation-href'] = $arr['conversation-href'];
442 if (isset($arr['protocol'])) {
443 $conversation['protocol'] = $arr['protocol'];
446 if (isset($arr['source'])) {
447 $conversation['source'] = $arr['source'];
450 $old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
451 FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
452 if (dbm::is_result($old_conv)) {
453 // Don't update when only the source has changed.
454 // Only do this when there had been no source before.
455 if ($old_conv['source'] != '') {
456 unset($old_conv['source']);
458 // Update structure data all the time but the source only when its from a better protocol.
459 if (($old_conv['protocol'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
460 unset($conversation['protocol']);
461 unset($conversation['source']);
463 if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
464 logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
467 if (!dba::insert('conversation', $conversation, true)) {
468 logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
473 unset($arr['conversation-uri']);
474 unset($arr['conversation-href']);
475 unset($arr['protocol']);
476 unset($arr['source']);
481 /// @TODO add type-hint array
482 function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
486 // If it is a posting where users should get notifications, then define it as wall posting
489 $arr['type'] = 'wall';
491 $arr['last-child'] = 1;
492 $arr['network'] = NETWORK_DFRN;
493 $arr['protocol'] = PROTOCOL_DFRN;
495 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
496 // In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
497 // This is done because our host is the original creator of the post.
498 if (!isset($arr['guid'])) {
499 if (isset($arr['plink'])) {
500 $arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
501 } elseif (isset($arr['uri'])) {
502 $arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
509 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
510 $arr['guid'] = uri_to_guid($arr['plink']);
511 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
512 $arr['guid'] = uri_to_guid($arr['uri']);
514 $parsed = parse_url($arr["author-link"]);
515 $guid_prefix = hash("crc32", $parsed["host"]);
518 $arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
519 $arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
521 // Store conversation data
522 $arr = store_conversation($arr);
525 * If a Diaspora signature structure was passed in, pull it out of the
526 * item array and set it aside for later storage.
530 if (x($arr, 'dsprsig')) {
531 $encoded_signature = $arr['dsprsig'];
532 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
533 unset($arr['dsprsig']);
536 // Converting the plink
537 if ($arr['network'] == NETWORK_OSTATUS) {
538 if (isset($arr['plink'])) {
539 $arr['plink'] = ostatus::convert_href($arr['plink']);
540 } elseif (isset($arr['uri'])) {
541 $arr['plink'] = ostatus::convert_href($arr['uri']);
545 if (x($arr, 'gravity')) {
546 $arr['gravity'] = intval($arr['gravity']);
547 } elseif ($arr['parent-uri'] === $arr['uri']) {
549 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
552 $arr['gravity'] = 6; // extensible catchall
555 if (! x($arr, 'type')) {
556 $arr['type'] = 'remote';
559 $uid = intval($arr['uid']);
561 // check for create date and expire time
562 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
564 $r = dba::select('user', array('expire'), array('uid' => $uid), array("limit" => 1));
565 if (dbm::is_result($r) && ($r['expire'] > 0) && ($r['expire'] < $expire_interval)) {
566 $expire_interval = $r['expire'];
569 if (($expire_interval > 0) && !empty($arr['created'])) {
570 $expire_date = time() - ($expire_interval * 86400);
571 $created_date = strtotime($arr['created']);
572 if ($created_date < $expire_date) {
573 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
579 * Do we already have this item?
580 * We have to check several networks since Friendica posts could be repeated
581 * via OStatus (maybe Diasporsa as well)
583 if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
584 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
585 dbesc(trim($arr['uri'])),
587 dbesc(NETWORK_DIASPORA),
589 dbesc(NETWORK_OSTATUS)
591 if (dbm::is_result($r)) {
592 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
594 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
601 /// @TODO old-lost code?
602 // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
603 // Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
604 //if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
605 // $arr['body'] = strip_tags($arr['body']);
607 item_add_language_opt($arr);
609 $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
610 $arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
611 $arr['author-name'] = ((x($arr, 'author-name')) ? trim($arr['author-name']) : '');
612 $arr['author-link'] = ((x($arr, 'author-link')) ? notags(trim($arr['author-link'])) : '');
613 $arr['author-avatar'] = ((x($arr, 'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
614 $arr['owner-name'] = ((x($arr, 'owner-name')) ? trim($arr['owner-name']) : '');
615 $arr['owner-link'] = ((x($arr, 'owner-link')) ? notags(trim($arr['owner-link'])) : '');
616 $arr['owner-avatar'] = ((x($arr, 'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
617 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
618 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
619 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
620 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
621 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
622 $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
623 $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
624 $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
625 $arr['last-child'] = ((x($arr, 'last-child')) ? intval($arr['last-child']) : 0 );
626 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1 );
628 $arr['parent-uri'] = ((x($arr, 'parent-uri')) ? notags(trim($arr['parent-uri'])) : $arr['uri']);
629 $arr['verb'] = ((x($arr, 'verb')) ? notags(trim($arr['verb'])) : '');
630 $arr['object-type'] = ((x($arr, 'object-type')) ? notags(trim($arr['object-type'])) : '');
631 $arr['object'] = ((x($arr, 'object')) ? trim($arr['object']) : '');
632 $arr['target-type'] = ((x($arr, 'target-type')) ? notags(trim($arr['target-type'])) : '');
633 $arr['target'] = ((x($arr, 'target')) ? trim($arr['target']) : '');
634 $arr['plink'] = ((x($arr, 'plink')) ? notags(trim($arr['plink'])) : '');
635 $arr['allow_cid'] = ((x($arr, 'allow_cid')) ? trim($arr['allow_cid']) : '');
636 $arr['allow_gid'] = ((x($arr, 'allow_gid')) ? trim($arr['allow_gid']) : '');
637 $arr['deny_cid'] = ((x($arr, 'deny_cid')) ? trim($arr['deny_cid']) : '');
638 $arr['deny_gid'] = ((x($arr, 'deny_gid')) ? trim($arr['deny_gid']) : '');
639 $arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0 );
640 $arr['bookmark'] = ((x($arr, 'bookmark')) ? intval($arr['bookmark']) : 0 );
641 $arr['body'] = ((x($arr, 'body')) ? trim($arr['body']) : '');
642 $arr['tag'] = ((x($arr, 'tag')) ? notags(trim($arr['tag'])) : '');
643 $arr['attach'] = ((x($arr, 'attach')) ? notags(trim($arr['attach'])) : '');
644 $arr['app'] = ((x($arr, 'app')) ? notags(trim($arr['app'])) : '');
645 $arr['origin'] = ((x($arr, 'origin')) ? intval($arr['origin']) : 0 );
646 $arr['network'] = ((x($arr, 'network')) ? trim($arr['network']) : '');
647 $arr['postopts'] = ((x($arr, 'postopts')) ? trim($arr['postopts']) : '');
648 $arr['resource-id'] = ((x($arr, 'resource-id')) ? trim($arr['resource-id']) : '');
649 $arr['event-id'] = ((x($arr, 'event-id')) ? intval($arr['event-id']) : 0 );
650 $arr['inform'] = ((x($arr, 'inform')) ? trim($arr['inform']) : '');
651 $arr['file'] = ((x($arr, 'file')) ? trim($arr['file']) : '');
653 // When there is no content then we don't post it
654 if ($arr['body'].$arr['title'] == '') {
658 // Items cannot be stored before they happen ...
659 if ($arr['created'] > datetime_convert()) {
660 $arr['created'] = datetime_convert();
663 // We haven't invented time travel by now.
664 if ($arr['edited'] > datetime_convert()) {
665 $arr['edited'] = datetime_convert();
668 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
669 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
672 if ($arr['plink'] == "") {
673 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
676 if ($arr['network'] == "") {
677 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
678 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
679 dbesc(normalise_link($arr['author-link'])),
683 if (!dbm::is_result($r))
684 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
685 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
686 dbesc(normalise_link($arr['author-link']))
689 if (!dbm::is_result($r)) {
690 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
691 intval($arr['contact-id']),
696 if (dbm::is_result($r)) {
697 $arr['network'] = $r[0]["network"];
700 // Fallback to friendica (why is it empty in some cases?)
701 if ($arr['network'] == "") {
702 $arr['network'] = NETWORK_DFRN;
705 logger("item_store: Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
708 // The contact-id should be set before "item_store" was called - but there seems to be some issues
709 if ($arr["contact-id"] == 0) {
711 * First we are looking for a suitable contact that matches with the author of the post
712 * This is done only for comments (See below explanation at "gcontact-id")
714 if ($arr['parent-uri'] != $arr['uri']) {
715 $arr["contact-id"] = get_contact($arr['author-link'], $uid);
718 // If not present then maybe the owner was found
719 if ($arr["contact-id"] == 0) {
720 $arr["contact-id"] = get_contact($arr['owner-link'], $uid);
723 // Still missing? Then use the "self" contact of the current user
724 if ($arr["contact-id"] == 0) {
725 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
727 if (dbm::is_result($r)) {
728 $arr["contact-id"] = $r[0]["id"];
732 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
735 if ($arr["gcontact-id"] == 0) {
737 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
738 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
739 * On comments the author is the better choice.
741 if ($arr['parent-uri'] === $arr['uri']) {
742 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['owner-link'], "network" => $arr['network'],
743 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
745 $arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['author-link'], "network" => $arr['network'],
746 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
750 if ($arr["author-id"] == 0) {
751 $arr["author-id"] = get_contact($arr["author-link"], 0);
754 if ($arr["owner-id"] == 0) {
755 $arr["owner-id"] = get_contact($arr["owner-link"], 0);
758 if ($arr['guid'] != "") {
759 // Checking if there is already an item with the same guid
760 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
761 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
762 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
764 if (dbm::is_result($r)) {
765 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
770 // Check for hashtags in the body and repair or add hashtag links
771 item_body_set_hashtags($arr);
773 $arr['thr-parent'] = $arr['parent-uri'];
775 if ($arr['parent-uri'] === $arr['uri']) {
778 $allow_cid = $arr['allow_cid'];
779 $allow_gid = $arr['allow_gid'];
780 $deny_cid = $arr['deny_cid'];
781 $deny_gid = $arr['deny_gid'];
782 $notify_type = 'wall-new';
785 // find the parent and snarf the item id and ACLs
786 // and anything else we need to inherit
788 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
789 dbesc($arr['parent-uri']),
793 if (dbm::is_result($r)) {
795 // is the new message multi-level threaded?
796 // even though we don't support it now, preserve the info
797 // and re-attach to the conversation parent.
799 if ($r[0]['uri'] != $r[0]['parent-uri']) {
800 $arr['parent-uri'] = $r[0]['parent-uri'];
801 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
802 ORDER BY `id` ASC LIMIT 1",
803 dbesc($r[0]['parent-uri']),
804 dbesc($r[0]['parent-uri']),
808 if (dbm::is_result($z)) {
813 $parent_id = $r[0]['id'];
814 $parent_deleted = $r[0]['deleted'];
815 $allow_cid = $r[0]['allow_cid'];
816 $allow_gid = $r[0]['allow_gid'];
817 $deny_cid = $r[0]['deny_cid'];
818 $deny_gid = $r[0]['deny_gid'];
819 $arr['wall'] = $r[0]['wall'];
820 $notify_type = 'comment-new';
823 * If the parent is private, force privacy for the entire conversation
824 * This differs from the above settings as it subtly allows comments from
825 * email correspondents to be private even if the overall thread is not.
827 if ($r[0]['private']) {
828 $arr['private'] = $r[0]['private'];
832 * Edge case. We host a public forum that was originally posted to privately.
833 * The original author commented, but as this is a comment, the permissions
834 * weren't fixed up so it will still show the comment as private unless we fix it here.
836 if ((intval($r[0]['forum_mode']) == 1) && (! $r[0]['private'])) {
840 // If its a post from myself then tag the thread as "mention"
841 logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
842 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
843 if (dbm::is_result($u)) {
845 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
846 logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
847 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
848 dba::update('thread', array('mention' => true), array('iid' => $parent_id));
849 logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
854 * Allow one to see reply tweets from status.net even when
855 * we don't have or can't see the original post.
858 logger('item_store: $force_parent=true, reply converted to top-level post.');
860 $arr['parent-uri'] = $arr['uri'];
863 logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
871 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
873 dbesc($arr['network']),
877 if (dbm::is_result($r)) {
878 logger('duplicated item with the same uri found. '.print_r($arr,true));
882 // On Friendica and Diaspora the GUID is unique
883 if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
884 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
888 if (dbm::is_result($r)) {
889 logger('duplicated item with the same guid found. '.print_r($arr,true));
893 // Check for an existing post with the same content. There seems to be a problem with OStatus.
894 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
896 dbesc($arr['network']),
897 dbesc($arr['created']),
898 intval($arr['contact-id']),
901 if (dbm::is_result($r)) {
902 logger('duplicated item with the same body found. '.print_r($arr,true));
907 // Is this item available in the global items (with uid=0)?
908 if ($arr["uid"] == 0) {
909 $arr["global"] = true;
911 // Set the global flag on all items if this was a global item entry
912 dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
914 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
916 $arr["global"] = (dbm::is_result($isglobal) && count($isglobal) > 0);
920 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
923 $private = $arr['private'];
926 $arr["allow_cid"] = $allow_cid;
927 $arr["allow_gid"] = $allow_gid;
928 $arr["deny_cid"] = $deny_cid;
929 $arr["deny_gid"] = $deny_gid;
930 $arr["private"] = $private;
931 $arr["deleted"] = $parent_deleted;
933 // Fill the cache field
934 put_item_in_cache($arr);
937 call_hooks('post_local', $arr);
939 call_hooks('post_remote', $arr);
942 if (x($arr, 'cancel')) {
943 logger('item_store: post cancelled by plugin.');
948 * Check for already added items.
949 * There is a timing issue here that sometimes creates double postings.
950 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
952 if ($arr["uid"] == 0) {
953 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
954 if (dbm::is_result($r)) {
955 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
960 logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
963 $r = dba::insert('item', $arr);
965 // When the item was successfully stored we fetch the ID of the item.
966 if (dbm::is_result($r)) {
967 $current_post = dba::lastInsertId();
969 // This can happen - for example - if there are locking timeouts.
972 // Store the data into a spool file so that we can try again later.
974 // At first we restore the Diaspora signature that we removed above.
975 if (isset($encoded_signature)) {
976 $arr['dsprsig'] = $encoded_signature;
979 // Now we store the data in the spool directory
980 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
981 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
983 $spoolpath = get_spoolpath();
984 if ($spoolpath != "") {
985 $spool = $spoolpath.'/'.$file;
986 file_put_contents($spool, json_encode($arr));
987 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
992 if ($current_post == 0) {
993 // This is one of these error messages that never should occur.
994 logger("couldn't find created item - we better quit now.");
999 // How much entries have we created?
1000 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1001 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
1003 intval($arr['uid']),
1004 dbesc($arr['network'])
1007 if (!dbm::is_result($r)) {
1008 // This shouldn't happen, since COUNT always works when the database connection is there.
1009 logger("We couldn't count the stored entries. Very strange ...");
1014 if ($r[0]["entries"] > 1) {
1015 // There are duplicates. We delete our just created entry.
1016 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
1018 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1019 dba::delete('item', array('id' => $current_post));
1022 } elseif ($r[0]["entries"] == 0) {
1023 // This really should never happen since we quit earlier if there were problems.
1024 logger("Something is terribly wrong. We haven't found our created entry.");
1029 logger('item_store: created item '.$current_post);
1030 item_set_last_item($arr);
1032 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
1033 $parent_id = $current_post;
1037 $r = dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
1039 $arr['id'] = $current_post;
1040 $arr['parent'] = $parent_id;
1042 // update the commented timestamp on the parent
1043 // Only update "commented" if it is really a comment
1044 if (($arr['verb'] == ACTIVITY_POST) || !get_config("system", "like_no_comment")) {
1045 dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
1047 dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
1053 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1054 * We can check for this condition when we decode and encode the stuff again.
1056 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1057 $dsprsig->signature = base64_decode($dsprsig->signature);
1058 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1061 dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1062 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
1065 $deleted = tag_deliver($arr['uid'], $current_post);
1068 * current post can be deleted if is for a community page and no mention are
1071 if (!$deleted && !$dontcache) {
1073 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
1074 if ((dbm::is_result($r)) && (count($r) == 1)) {
1076 call_hooks('post_local_end', $r[0]);
1078 call_hooks('post_remote_end', $r[0]);
1081 logger('item_store: new item not found in DB, id ' . $current_post);
1085 if ($arr['parent-uri'] === $arr['uri']) {
1086 add_thread($current_post);
1088 update_thread($parent_id);
1094 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1095 * This is not perfect - but a workable solution until we found the reason for the problem.
1097 create_tags_from_item($current_post);
1098 create_files_from_item($current_post);
1101 * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
1102 * It is done after the transaction to avoid dead locks.
1104 if ($arr['last-child']) {
1105 $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
1107 intval($arr['uid']),
1108 intval($current_post)
1112 if ($arr['parent-uri'] === $arr['uri']) {
1113 add_shadow_thread($current_post);
1115 add_shadow_entry($current_post);
1118 check_item_notification($current_post, $uid);
1121 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/notifier.php", $notify_type, $current_post);
1124 return $current_post;
1128 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1130 * This can be used to filter for inactive contacts.
1131 * Only do this for public postings to avoid privacy problems, since poco data is public.
1132 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1134 * @param array $arr Contains the just posted item record
1136 function item_set_last_item($arr) {
1138 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1140 // Is it a forum? Then we don't care about the rules from above
1141 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1142 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1143 intval($arr['contact-id']));
1144 if (dbm::is_result($isforum)) {
1150 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1151 array('id' => $arr['contact-id']));
1153 // Now do the same for the system wide contacts with uid=0
1154 if (!$arr['private']) {
1155 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1156 array('id' => $arr['owner-id']));
1158 if ($arr['owner-id'] != $arr['author-id']) {
1159 dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
1160 array('id' => $arr['author-id']));
1165 function item_body_set_hashtags(&$item) {
1167 $tags = get_tags($item["body"]);
1170 if (!count($tags)) {
1174 // This sorting is important when there are hashtags that are part of other hashtags
1175 // Otherwise there could be problems with hashtags like #test and #test2
1180 $URLSearchString = "^\[\]";
1182 // All hashtags should point to the home server if "local_tags" is activated
1183 if (Config::get('system', 'local_tags')) {
1184 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1185 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1187 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1188 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1191 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1192 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1194 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1197 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1199 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1202 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1204 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1207 // Repair recursive urls
1208 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1209 "#$2", $item["body"]);
1211 foreach ($tags as $tag) {
1212 if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
1216 $basetag = str_replace('_',' ',substr($tag,1));
1218 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1220 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1222 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1223 if (strlen($item["tag"])) {
1224 $item["tag"] = ','.$item["tag"];
1226 $item["tag"] = $newtag.$item["tag"];
1230 // Convert back the masked hashtags
1231 $item["body"] = str_replace("#", "#", $item["body"]);
1234 function get_item_guid($id) {
1235 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1236 if (dbm::is_result($r)) {
1237 return $r[0]["guid"];
1239 /// @TODO This else-block can be elimited again
1244 function get_item_id($guid, $uid = 0) {
1250 $uid == local_user();
1253 // Does the given user have this item?
1255 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1256 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1257 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1258 if (dbm::is_result($r)) {
1260 $nick = $r[0]["nickname"];
1264 // Or is it anywhere on the server?
1266 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1267 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1268 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1269 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1270 AND `item`.`private` = 0 AND `item`.`wall` = 1
1271 AND `item`.`guid` = '%s'", dbesc($guid));
1272 if (dbm::is_result($r)) {
1274 $nick = $r[0]["nickname"];
1277 return array("nick" => $nick, "id" => $id);
1281 function get_item_contact($item, $contacts) {
1282 if (! count($contacts) || (! is_array($item))) {
1285 foreach ($contacts as $contact) {
1286 if ($contact['id'] == $item['contact-id']) {
1288 break; // NOTREACHED
1295 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1297 * @param int $item_id
1298 * @return bool true if item was deleted, else false
1300 function tag_deliver($uid, $item_id) {
1306 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1310 if (! dbm::is_result($u)) {
1314 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1315 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1318 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1322 if (! dbm::is_result($i)) {
1328 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1331 * Diaspora uses their own hardwired link URL in @-tags
1332 * instead of the one we supply with webfinger
1334 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1336 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1338 foreach ($matches as $mtch) {
1339 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1341 logger('tag_deliver: mention found: ' . $mtch[2]);
1347 if (($community_page || $prvgroup) &&
1348 (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
1349 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1351 logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
1352 dba::delete('item', array('id' => $item_id));
1358 $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
1360 call_hooks('tagged', $arr);
1362 if ((! $community_page) && (! $prvgroup)) {
1367 * tgroup delivery - setup a second delivery chain
1368 * prevent delivery looping - only proceed
1369 * if the message originated elsewhere and is a top-level post
1371 if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
1375 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1376 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1377 intval($u[0]['uid'])
1379 if (! dbm::is_result($c)) {
1383 // also reset all the privacy bits to the forum default permissions
1385 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1387 $forum_mode = (($prvgroup) ? 2 : 1);
1389 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1390 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1391 intval($forum_mode),
1392 dbesc($c[0]['name']),
1393 dbesc($c[0]['url']),
1394 dbesc($c[0]['thumb']),
1396 dbesc($u[0]['allow_cid']),
1397 dbesc($u[0]['allow_gid']),
1398 dbesc($u[0]['deny_cid']),
1399 dbesc($u[0]['deny_gid']),
1402 update_thread($item_id);
1404 proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'include/notifier.php', 'tgroup', $item_id);
1410 function tgroup_check($uid, $item) {
1414 // check that the message originated elsewhere and is a top-level post
1416 if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
1420 /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
1421 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1424 if (! dbm::is_result($u)) {
1428 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1429 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1431 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1434 * Diaspora uses their own hardwired link URL in @-tags
1435 * instead of the one we supply with webfinger
1437 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1439 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1441 foreach ($matches as $mtch) {
1442 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1444 logger('tgroup_check: mention found: ' . $mtch[2]);
1453 /// @TODO Combine both return statements into one
1454 return (($community_page) || ($prvgroup));
1458 * This function returns true if $update has an edited timestamp newer
1459 * than $existing, i.e. $update contains new data which should override
1460 * what's already there. If there is no timestamp yet, the update is
1461 * assumed to be newer. If the update has no timestamp, the existing
1462 * item is assumed to be up-to-date. If the timestamps are equal it
1463 * assumes the update has been seen before and should be ignored.
1465 * @todo fix type-hints (both array)
1467 function edited_timestamp_is_newer($existing, $update) {
1468 if (!x($existing, 'edited') || !$existing['edited']) {
1471 if (!x($update, 'edited') || !$update['edited']) {
1475 $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
1476 $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
1477 return (strcmp($existing_edited, $update_edited) < 0);
1482 * consume_feed - process atom feed and update anything/everything we might need to update
1484 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
1486 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
1487 * It is this person's stuff that is going to be updated.
1488 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
1489 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
1490 * have a contact record.
1491 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
1492 * might not) try and subscribe to it.
1493 * $datedir sorts in reverse order
1494 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
1495 * imported prior to its children being seen in the stream unless we are certain
1496 * of how the feed is arranged/ordered.
1497 * With $pass = 1, we only pull parent items out of the stream.
1498 * With $pass = 2, we only pull children (comments/likes).
1500 * So running this twice, first with pass 1 and then with pass 2 will do the right
1501 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
1502 * model where comments can have sub-threads. That would require some massive sorting
1503 * to get all the feed items into a mostly linear ordering, and might still require
1506 * @todo find proper type-hints
1508 function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
1509 if ($contact['network'] === NETWORK_OSTATUS) {
1511 // Test - remove before flight
1512 //$tempfile = tempnam(get_temppath(), "ostatus2");
1513 //file_put_contents($tempfile, $xml);
1514 logger("Consume OStatus messages ", LOGGER_DEBUG);
1515 ostatus::import($xml, $importer, $contact, $hub);
1520 if ($contact['network'] === NETWORK_FEED) {
1522 logger("Consume feeds", LOGGER_DEBUG);
1523 feed_import($xml, $importer, $contact, $hub);
1528 if ($contact['network'] === NETWORK_DFRN) {
1529 logger("Consume DFRN messages", LOGGER_DEBUG);
1531 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
1532 `contact`.`pubkey` AS `cpubkey`,
1533 `contact`.`prvkey` AS `cprvkey`,
1534 `contact`.`thumb` AS `thumb`,
1535 `contact`.`url` as `url`,
1536 `contact`.`name` as `senderName`,
1539 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
1540 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
1541 dbesc($contact["id"]), dbesc($importer["uid"])
1543 if (dbm::is_result($r)) {
1544 logger("Now import the DFRN feed");
1545 dfrn::import($xml, $r[0], true);
1551 /// @TODO type-hint is array
1552 function item_is_remote_self($contact, &$datarray) {
1555 if (!$contact['remote_self']) {
1559 // Prevent the forwarding of posts that are forwarded
1560 if ($datarray["extid"] == NETWORK_DFRN) {
1564 // Prevent to forward already forwarded posts
1565 if ($datarray["app"] == $a->get_hostname()) {
1569 // Only forward posts
1570 if ($datarray["verb"] != ACTIVITY_POST) {
1574 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1578 $datarray2 = $datarray;
1579 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1580 if ($contact['remote_self'] == 2) {
1581 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1582 intval($contact['uid']));
1583 if (dbm::is_result($r)) {
1584 $datarray['contact-id'] = $r[0]["id"];
1586 $datarray['owner-name'] = $r[0]["name"];
1587 $datarray['owner-link'] = $r[0]["url"];
1588 $datarray['owner-avatar'] = $r[0]["thumb"];
1590 $datarray['author-name'] = $datarray['owner-name'];
1591 $datarray['author-link'] = $datarray['owner-link'];
1592 $datarray['author-avatar'] = $datarray['owner-avatar'];
1594 unset($datarray['created']);
1595 unset($datarray['edited']);
1598 if ($contact['network'] != NETWORK_FEED) {
1599 $datarray["guid"] = get_guid(32);
1600 unset($datarray["plink"]);
1601 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1602 $datarray["parent-uri"] = $datarray["uri"];
1603 $datarray["extid"] = $contact['network'];
1604 $urlpart = parse_url($datarray2['author-link']);
1605 $datarray["app"] = $urlpart["host"];
1607 $datarray['private'] = 0;
1611 if ($contact['network'] != NETWORK_FEED) {
1612 // Store the original post
1613 $r = item_store($datarray2, false, false);
1614 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1616 $datarray["app"] = "Feed";
1622 /// @TODO find proper type-hints
1623 function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
1624 $url = notags(trim($datarray['author-link']));
1625 $name = notags(trim($datarray['author-name']));
1626 $photo = notags(trim($datarray['author-avatar']));
1628 if (is_object($item)) {
1629 $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
1630 if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
1631 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
1637 if (is_array($contact)) {
1638 if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
1639 || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
1640 $r = dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
1641 array('id' => $contact['id'], 'uid' => $importer['uid']));
1643 // send email notification to owner?
1646 // create contact record
1648 $r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
1649 `blocked`, `readonly`, `pending`, `writable`)
1650 VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
1651 intval($importer['uid']),
1652 dbesc(datetime_convert()),
1654 dbesc(normalise_link($url)),
1658 dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
1659 intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
1661 $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
1662 intval($importer['uid']),
1665 if (dbm::is_result($r)) {
1666 $contact_record = $r[0];
1667 update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
1670 /// @TODO Encapsulate this into a function/method
1671 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1672 intval($importer['uid'])
1675 if (dbm::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
1677 // create notification
1678 $hash = random_string();
1680 if (is_array($contact_record)) {
1681 dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
1682 'blocked' => false, 'knowyou' => false,
1683 'hash' => $hash, 'datetime' => datetime_convert()));
1686 $def_gid = get_default_group($importer['uid'], $contact_record["network"]);
1688 if (intval($def_gid)) {
1689 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
1692 if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
1693 in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
1696 'type' => NOTIFY_INTRO,
1697 'notify_flags' => $r[0]['notify-flags'],
1698 'language' => $r[0]['language'],
1699 'to_name' => $r[0]['username'],
1700 'to_email' => $r[0]['email'],
1701 'uid' => $r[0]['uid'],
1702 'link' => System::baseUrl() . '/notifications/intro',
1703 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
1704 'source_link' => $contact_record['url'],
1705 'source_photo' => $contact_record['photo'],
1706 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
1711 } elseif (dbm::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
1712 $r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
1713 intval($importer['uid']),
1721 function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
1723 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
1724 dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
1726 contact_remove($contact['id']);
1730 function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
1732 if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
1733 dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
1735 contact_remove($contact['id']);
1739 function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
1743 if (is_array($importer)) {
1744 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
1745 intval($importer['uid'])
1750 * Diaspora has different message-ids in feeds than they do
1751 * through the direct Diaspora protocol. If we try and use
1752 * the feed, we'll get duplicates. So don't.
1754 if ((! dbm::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
1758 $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
1760 // Use a single verify token, even if multiple hubs
1761 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
1763 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
1765 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
1767 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
1768 $r = dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
1771 post_url($url, $params);
1773 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
1779 function fix_private_photos($s, $uid, $item = null, $cid = 0) {
1781 if (get_config('system','disable_embedded')) {
1787 logger('fix_private_photos: check for photos', LOGGER_DEBUG);
1788 $site = substr(System::baseUrl(),strpos(System::baseUrl(),'://'));
1793 $img_start = strpos($orig_body, '[img');
1794 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1795 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1796 while ( ($img_st_close !== false) && ($img_len !== false) ) {
1798 $img_st_close++; // make it point to AFTER the closing bracket
1799 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1801 logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
1804 if (stristr($image , $site . '/photo/')) {
1805 // Only embed locally hosted photos
1807 $i = basename($image);
1808 $i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
1809 $x = strpos($i, '-');
1812 $res = substr($i, $x + 1);
1813 $i = substr($i, 0, $x);
1814 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1820 if (dbm::is_result($r)) {
1822 * Check to see if we should replace this photo link with an embedded image
1823 * 1. No need to do so if the photo is public
1824 * 2. If there's a contact-id provided, see if they're in the access list
1825 * for the photo. If so, embed it.
1826 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1827 * permissions, regardless of order but first check to see if they're an exact
1828 * match to save some processing overhead.
1830 if (has_permissions($r[0])) {
1832 $recips = enumerate_permissions($r[0]);
1833 if (in_array($cid, $recips)) {
1837 if (compare_permissions($item, $r[0])) {
1843 $data = $r[0]['data'];
1844 $type = $r[0]['type'];
1846 // If a custom width and height were specified, apply before embedding
1847 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1848 logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
1850 $width = intval($match[1]);
1851 $height = intval($match[2]);
1853 $ph = new Photo($data, $type);
1854 if ($ph->is_valid()) {
1855 $ph->scaleImage(max($width, $height));
1856 $data = $ph->imageString();
1857 $type = $ph->getType();
1861 logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
1862 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1863 logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
1869 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1870 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1871 if ($orig_body === false) {
1875 $img_start = strpos($orig_body, '[img');
1876 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1877 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1880 $new_body = $new_body . $orig_body;
1885 /// @TODO type-hint is array
1886 function has_permissions($obj) {
1889 x($obj, 'allow_cid')
1891 x($obj, 'allow_gid')
1900 /// @TODO type-hint is array
1901 function compare_permissions($obj1, $obj2) {
1902 // first part is easy. Check that these are exactly the same.
1903 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1904 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1905 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1906 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1910 // This is harder. Parse all the permissions and compare the resulting set.
1911 $recipients1 = enumerate_permissions($obj1);
1912 $recipients2 = enumerate_permissions($obj2);
1916 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1917 return ($recipients1 == $recipients2);
1920 // returns an array of contact-ids that are allowed to see this object
1921 /// @TODO type-hint is array
1922 function enumerate_permissions($obj) {
1923 $allow_people = expand_acl($obj['allow_cid']);
1924 $allow_groups = expand_groups(expand_acl($obj['allow_gid']));
1925 $deny_people = expand_acl($obj['deny_cid']);
1926 $deny_groups = expand_groups(expand_acl($obj['deny_gid']));
1927 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1928 $deny = array_unique(array_merge($deny_people, $deny_groups));
1929 $recipients = array_diff($recipients, $deny);
1933 function item_getfeedtags($item) {
1936 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1938 for ($x = 0; $x < $cnt; $x ++) {
1939 if ($matches[1][$x]) {
1940 $ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
1945 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1947 for ($x = 0; $x < $cnt; $x ++) {
1948 if ($matches[1][$x]) {
1949 $ret[] = array('@', $matches[1][$x], $matches[2][$x]);
1956 function item_expire($uid, $days, $network = "", $force = false) {
1958 if ((! $uid) || ($days < 1)) {
1963 * $expire_network_only = save your own wall posts
1964 * and just expire conversations started by others
1966 $expire_network_only = get_pconfig($uid,'expire', 'network_only');
1967 $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
1969 if ($network != "") {
1970 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
1973 * There is an index "uid_network_received" but not "uid_network_created"
1974 * This avoids the creation of another index just for one purpose.
1975 * And it doesn't really matter wether to look at "received" or "created"
1977 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1979 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1982 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
1983 WHERE `uid` = %d $range
1991 if (! dbm::is_result($r)) {
1995 $expire_items = get_pconfig($uid, 'expire', 'items');
1996 $expire_items = (($expire_items === false) ? 1 : intval($expire_items)); // default if not set: 1
1998 // Forcing expiring of items - but not notes and marked items
2000 $expire_items = true;
2003 $expire_notes = get_pconfig($uid, 'expire', 'notes');
2004 $expire_notes = (($expire_notes === false) ? 1 : intval($expire_notes)); // default if not set: 1
2006 $expire_starred = get_pconfig($uid, 'expire', 'starred');
2007 $expire_starred = (($expire_starred === false) ? 1 : intval($expire_starred)); // default if not set: 1
2009 $expire_photos = get_pconfig($uid, 'expire', 'photos');
2010 $expire_photos = (($expire_photos === false) ? 0 : intval($expire_photos)); // default if not set: 0
2012 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2014 foreach ($r as $item) {
2016 // don't expire filed items
2018 if (strpos($item['file'],'[') !== false) {
2022 // Only expire posts, not photos and photo comments
2024 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2026 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2028 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2030 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2034 drop_item($item['id'], false);
2037 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2041 /// @TODO type-hint is array
2042 function drop_items($items) {
2045 if (! local_user() && ! remote_user()) {
2049 if (count($items)) {
2050 foreach ($items as $item) {
2051 $owner = drop_item($item,false);
2052 if ($owner && ! $uid)
2057 // multiple threads may have been deleted, send an expire notification
2060 proc_run(array('priority' => PRIORITY_LOW, 'dont_fork' => true), "include/notifier.php", "expire", $uid);
2065 function drop_item($id, $interactive = true) {
2069 // locate item to be deleted
2071 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
2075 if (! dbm::is_result($r)) {
2076 if (! $interactive) {
2079 notice( t('Item not found.') . EOL);
2080 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2085 if ($item['deleted']) {
2089 $owner = $item['uid'];
2093 // check if logged in user is either the author or owner of this item
2095 if (is_array($_SESSION['remote'])) {
2096 foreach ($_SESSION['remote'] as $visitor) {
2097 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
2098 $contact_id = $visitor['cid'];
2105 if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
2107 // Check if we should do HTML-based delete confirmation
2108 if ($_REQUEST['confirm']) {
2109 // <form> can't take arguments in its "action" parameter
2110 // so add any arguments as hidden inputs
2111 $query = explode_querystring($a->query_string);
2113 foreach ($query['args'] as $arg) {
2114 if (strpos($arg, 'confirm=') === false) {
2115 $arg_parts = explode('=', $arg);
2116 $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
2120 return replace_macros(get_markup_template('confirm.tpl'), array(
2122 '$message' => t('Do you really want to delete this item?'),
2123 '$extra_inputs' => $inputs,
2124 '$confirm' => t('Yes'),
2125 '$confirm_url' => $query['base'],
2126 '$confirm_name' => 'confirmed',
2127 '$cancel' => t('Cancel'),
2130 // Now check how the user responded to the confirmation query
2131 if ($_REQUEST['canceled']) {
2132 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2135 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
2138 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2139 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2140 array('id' => $item['id']));
2142 create_tags_from_item($item['id']);
2143 create_files_from_item($item['id']);
2144 delete_thread($item['id'], $item['parent-uri']);
2146 // clean up categories and tags so they don't end up as orphans
2149 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
2151 foreach ($matches as $mtch) {
2152 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
2158 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
2160 foreach ($matches as $mtch) {
2161 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
2166 * If item is a link to a photo resource, nuke all the associated photos
2167 * (visitors will not have photo resources)
2168 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
2169 * generate a resource-id and therefore aren't intimately linked to the item.
2171 if (strlen($item['resource-id'])) {
2172 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
2173 dbesc($item['resource-id']),
2174 intval($item['uid'])
2176 // ignore the result
2179 // If item is a link to an event, nuke the event record.
2180 if (intval($item['event-id'])) {
2181 q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
2182 intval($item['event-id']),
2183 intval($item['uid'])
2185 // ignore the result
2188 // If item has attachments, drop them
2189 foreach (explode(", ", $item['attach']) as $attach) {
2190 preg_match("|attach/(\d+)|", $attach, $matches);
2191 q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
2192 intval($matches[1]),
2195 // ignore the result
2198 // The new code splits the queries since the mysql optimizer really has bad problems with subqueries
2200 // Creating list of parents
2201 $r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
2202 intval($item['id']),
2203 intval($item['uid'])
2208 foreach ($r as $row) {
2209 if ($parentid != "") {
2213 $parentid .= $row["id"];
2217 if ($parentid != "") {
2218 $r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
2219 $r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
2222 // If it's the parent of a comment thread, kill all the kids
2223 if ($item['uri'] == $item['parent-uri']) {
2224 $r = dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
2225 'edited' => datetime_convert(), 'changed' => datetime_convert()),
2226 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2228 create_tags_from_itemuri($item['parent-uri'], $item['uid']);
2229 create_files_from_itemuri($item['parent-uri'], $item['uid']);
2230 delete_thread_uri($item['parent-uri'], $item['uid']);
2231 // ignore the result
2233 // ensure that last-child is set in case the comment that had it just got wiped.
2234 dba::update('item', array('last-child' => false, 'changed' => datetime_convert()),
2235 array('parent-uri' => $item['parent-uri'], 'uid' => $item['uid']));
2237 // who is the last child now?
2238 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
2239 dbesc($item['parent-uri']),
2240 intval($item['uid'])
2242 if (dbm::is_result($r)) {
2243 dba::update('item', array('last-child' => true), array('id' => $r[0]['id']));
2247 // send the notification upstream/downstream
2248 // The priority depends on how the deletion is done.
2249 $drop_id = intval($item['id']);
2250 $priority = ($interactive ? PRIORITY_HIGH : PRIORITY_LOW);
2252 proc_run(array('priority' => $priority, 'dont_fork' => true), "include/notifier.php", "drop", $drop_id);
2254 if (! $interactive) {
2257 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2260 if (! $interactive) {
2263 notice( t('Permission denied.') . EOL);
2264 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
2270 /// @todo: This query seems to be really slow
2271 function first_post_date($uid, $wall = false) {
2272 $r = q("SELECT `id`, `created` FROM `item`
2273 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
2275 ORDER BY `created` ASC LIMIT 1",
2277 intval($wall ? 1 : 0)
2279 if (dbm::is_result($r)) {
2280 // logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
2281 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
2286 /* modified posted_dates() {below} to arrange the list in years */
2287 function list_post_dates($uid, $wall) {
2288 $dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
2290 $dthen = first_post_date($uid, $wall);
2295 // Set the start and end date to the beginning of the month
2296 $dnow = substr($dnow, 0, 8) . '01';
2297 $dthen = substr($dthen, 0, 8) . '01';
2302 * Starting with the current month, get the first and last days of every
2303 * month down to and including the month of the first post
2305 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2306 $dyear = intval(substr($dnow, 0, 4));
2307 $dstart = substr($dnow, 0, 8) . '01';
2308 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2309 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2310 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2311 $str = day_translate(datetime_convert('', '', $dnow, 'F'));
2312 if (!$ret[$dyear]) {
2313 $ret[$dyear] = array();
2315 $ret[$dyear][] = array($str, $end_month, $start_month);
2316 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2321 function posted_dates($uid, $wall) {
2322 $dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
2324 $dthen = first_post_date($uid, $wall);
2329 // Set the start and end date to the beginning of the month
2330 $dnow = substr($dnow, 0, 8) . '01';
2331 $dthen = substr($dthen, 0, 8) . '01';
2335 * Starting with the current month, get the first and last days of every
2336 * month down to and including the month of the first post
2338 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
2339 $dstart = substr($dnow, 0, 8) . '01';
2340 $dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
2341 $start_month = datetime_convert('', '', $dstart, 'Y-m-d');
2342 $end_month = datetime_convert('', '', $dend, 'Y-m-d');
2343 $str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
2344 $ret[] = array($str, $end_month, $start_month);
2345 $dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
2351 function posted_date_widget($url, $uid, $wall) {
2354 if (! feature_enabled($uid, 'archives')) {
2358 // For former Facebook folks that left because of "timeline"
2360 * @TODO old-lost code?
2361 if ($wall && intval(get_pconfig($uid, 'system', 'no_wall_archive_widget')))
2365 $visible_years = get_pconfig($uid,'system','archive_visible_years');
2366 if (! $visible_years) {
2370 $ret = list_post_dates($uid, $wall);
2372 if (! dbm::is_result($ret)) {
2376 $cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
2377 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
2379 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
2380 '$title' => t('Archives'),
2381 '$size' => $visible_years,
2382 '$cutoff_year' => $cutoff_year,
2383 '$cutoff' => $cutoff,
2386 '$showmore' => t('show more')