- // Check for hashtags in the body and repair or add hashtag links
- item_body_set_hashtags($arr);
-
- $arr['thr-parent'] = $arr['parent-uri'];
-
- if ($arr['parent-uri'] === $arr['uri']) {
- $parent_id = 0;
- $parent_deleted = 0;
- $allow_cid = $arr['allow_cid'];
- $allow_gid = $arr['allow_gid'];
- $deny_cid = $arr['deny_cid'];
- $deny_gid = $arr['deny_gid'];
- $notify_type = 'wall-new';
- } else {
-
- // find the parent and snarf the item id and ACLs
- // and anything else we need to inherit
-
- $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
- dbesc($arr['parent-uri']),
- intval($arr['uid'])
- );
-
- if (DBM::is_result($r)) {
-
- // is the new message multi-level threaded?
- // even though we don't support it now, preserve the info
- // and re-attach to the conversation parent.
-
- if ($r[0]['uri'] != $r[0]['parent-uri']) {
- $arr['parent-uri'] = $r[0]['parent-uri'];
- $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
- ORDER BY `id` ASC LIMIT 1",
- dbesc($r[0]['parent-uri']),
- dbesc($r[0]['parent-uri']),
- intval($arr['uid'])
- );
-
- if (DBM::is_result($z)) {
- $r = $z;
- }
- }
-
- $parent_id = $r[0]['id'];
- $parent_deleted = $r[0]['deleted'];
- $allow_cid = $r[0]['allow_cid'];
- $allow_gid = $r[0]['allow_gid'];
- $deny_cid = $r[0]['deny_cid'];
- $deny_gid = $r[0]['deny_gid'];
- $arr['wall'] = $r[0]['wall'];
- $notify_type = 'comment-new';
-
- /*
- * If the parent is private, force privacy for the entire conversation
- * This differs from the above settings as it subtly allows comments from
- * email correspondents to be private even if the overall thread is not.
- */
- if ($r[0]['private']) {
- $arr['private'] = $r[0]['private'];
- }
-
- /*
- * Edge case. We host a public forum that was originally posted to privately.
- * The original author commented, but as this is a comment, the permissions
- * weren't fixed up so it will still show the comment as private unless we fix it here.
- */
- if ((intval($r[0]['forum_mode']) == 1) && $r[0]['private']) {
- $arr['private'] = 0;
- }
-
- // If its a post from myself then tag the thread as "mention"
- logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
- $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
- if (DBM::is_result($u)) {
- $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
- logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
- if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
- dba::update('thread', array('mention' => true), array('iid' => $parent_id));
- logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
- }
- }
- } else {
- /*
- * Allow one to see reply tweets from status.net even when
- * we don't have or can't see the original post.
- */
- if ($force_parent) {
- logger('item_store: $force_parent=true, reply converted to top-level post.');
- $parent_id = 0;
- $arr['parent-uri'] = $arr['uri'];
- $arr['gravity'] = 0;
- } else {
- logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
- return 0;
- }
-
- $parent_deleted = 0;
- }
- }
-
- $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
- dbesc($arr['uri']),
- dbesc($arr['network']),
- dbesc(NETWORK_DFRN),
- intval($arr['uid'])
- );
- if (DBM::is_result($r)) {
- logger('duplicated item with the same uri found. '.print_r($arr,true));
- return 0;
- }
-
- // On Friendica and Diaspora the GUID is unique
- if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
- $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($arr['guid']),
- intval($arr['uid'])
- );
- if (DBM::is_result($r)) {
- logger('duplicated item with the same guid found. '.print_r($arr,true));
- return 0;
- }
- } else {
- // Check for an existing post with the same content. There seems to be a problem with OStatus.
- $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
- dbesc($arr['body']),
- dbesc($arr['network']),
- dbesc($arr['created']),
- intval($arr['contact-id']),
- intval($arr['uid'])
- );
- if (DBM::is_result($r)) {
- logger('duplicated item with the same body found. '.print_r($arr,true));
- return 0;
- }
- }
-
- // Is this item available in the global items (with uid=0)?
- if ($arr["uid"] == 0) {
- $arr["global"] = true;
-
- // Set the global flag on all items if this was a global item entry
- dba::update('item', array('global' => true), array('uri' => $arr["uri"]));
- } else {
- $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
-
- $arr["global"] = (DBM::is_result($isglobal) && count($isglobal) > 0);
- }
-
- // ACL settings
- if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
- $private = 1;
- } else {
- $private = $arr['private'];
- }
-
- $arr["allow_cid"] = $allow_cid;
- $arr["allow_gid"] = $allow_gid;
- $arr["deny_cid"] = $deny_cid;
- $arr["deny_gid"] = $deny_gid;
- $arr["private"] = $private;
- $arr["deleted"] = $parent_deleted;
-
- // Fill the cache field
- put_item_in_cache($arr);
-
- if ($notify) {
- call_hooks('post_local', $arr);
- } else {
- call_hooks('post_remote', $arr);
- }
-
- // This array field is used to trigger some automatic reactions
- // It is mainly used in the "post_local" hook.
- unset($arr['api_source']);
-
- if (x($arr, 'cancel')) {
- logger('item_store: post cancelled by plugin.');
- return 0;
- }
-
- /*
- * Check for already added items.
- * There is a timing issue here that sometimes creates double postings.
- * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
- */
- if ($arr["uid"] == 0) {
- $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
- if (DBM::is_result($r)) {
- logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
- return 0;
- }
- }
-
- logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
-
- dba::transaction();
- $r = dba::insert('item', $arr);
-
- // When the item was successfully stored we fetch the ID of the item.
- if (DBM::is_result($r)) {
- $current_post = dba::lastInsertId();
- } else {
- // This can happen - for example - if there are locking timeouts.
- dba::rollback();
-
- // Store the data into a spool file so that we can try again later.
-
- // At first we restore the Diaspora signature that we removed above.
- if (isset($encoded_signature)) {
- $arr['dsprsig'] = $encoded_signature;
- }
-
- // Now we store the data in the spool directory
- // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
- $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
-
- $spoolpath = get_spoolpath();
- if ($spoolpath != "") {
- $spool = $spoolpath.'/'.$file;
- file_put_contents($spool, json_encode($arr));
- logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
- }
- return 0;
- }
-
- if ($current_post == 0) {
- // This is one of these error messages that never should occur.
- logger("couldn't find created item - we better quit now.");
- dba::rollback();
- return 0;
- }
-
- // How much entries have we created?
- // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
- $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
- dbesc($arr['uri']),
- intval($arr['uid']),
- dbesc($arr['network'])
- );
-
- if (!DBM::is_result($r)) {
- // This shouldn't happen, since COUNT always works when the database connection is there.
- logger("We couldn't count the stored entries. Very strange ...");
- dba::rollback();
- return 0;
- }
-
- if ($r[0]["entries"] > 1) {
- // There are duplicates. We delete our just created entry.
- logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
-
- // Yes, we could do a rollback here - but we are having many users with MyISAM.
- dba::delete('item', array('id' => $current_post));
- dba::commit();
- return 0;
- } elseif ($r[0]["entries"] == 0) {
- // This really should never happen since we quit earlier if there were problems.
- logger("Something is terribly wrong. We haven't found our created entry.");
- dba::rollback();
- return 0;
- }
-
- logger('item_store: created item '.$current_post);
- item_set_last_item($arr);
-
- if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
- $parent_id = $current_post;
- }
-
- // Set parent id
- dba::update('item', array('parent' => $parent_id), array('id' => $current_post));
-
- $arr['id'] = $current_post;
- $arr['parent'] = $parent_id;
-
- // update the commented timestamp on the parent
- // Only update "commented" if it is really a comment
- if (($arr['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
- dba::update('item', array('commented' => datetime_convert(), 'changed' => datetime_convert()), array('id' => $parent_id));
- } else {
- dba::update('item', array('changed' => datetime_convert()), array('id' => $parent_id));
- }
-
- if ($dsprsig) {
-
- /*
- * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
- * We can check for this condition when we decode and encode the stuff again.
- */
- if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
- $dsprsig->signature = base64_decode($dsprsig->signature);
- logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
- }
-
- dba::insert('sign', array('iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
- 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer));
- }
-
- $deleted = tag_deliver($arr['uid'], $current_post);
-
- /*
- * current post can be deleted if is for a community page and no mention are
- * in it.
- */
- if (!$deleted && !$dontcache) {
-
- $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
- if ((DBM::is_result($r)) && (count($r) == 1)) {
- if ($notify) {
- call_hooks('post_local_end', $r[0]);
- } else {
- call_hooks('post_remote_end', $r[0]);
- }
- } else {
- logger('item_store: new item not found in DB, id ' . $current_post);
- }
- }
-
- if ($arr['parent-uri'] === $arr['uri']) {
- add_thread($current_post);
- } else {
- update_thread($parent_id);
- }
-
- dba::commit();
-
- /*
- * Due to deadlock issues with the "term" table we are doing these steps after the commit.
- * This is not perfect - but a workable solution until we found the reason for the problem.
- */
- create_tags_from_item($current_post);
- create_files_from_item($current_post);
-
- /*
- * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
- * It is done after the transaction to avoid dead locks.
- */
- if ($arr['last-child']) {
- q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
- dbesc($arr['uri']),
- intval($arr['uid']),
- intval($current_post)
- );
- }
-
- if ($arr['parent-uri'] === $arr['uri']) {
- add_shadow_thread($current_post);
- } else {
- add_shadow_entry($current_post);
- }
-
- check_user_notification($current_post);
-
- if ($notify) {
- Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "Notifier", $notify_type, $current_post);
- }
-
- return $current_post;
-}
-
-/**
- * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
- *
- * This can be used to filter for inactive contacts.
- * Only do this for public postings to avoid privacy problems, since poco data is public.
- * Don't set this value if it isn't from the owner (could be an author that we don't know)
- *
- * @param array $arr Contains the just posted item record
- */
-function item_set_last_item($arr) {
- // Unarchive the author
- $contact = dba::select('contact', [], ['id' => $arr["author-link"]], ['limit' => 1]);
- if ($contact['term-date'] > NULL_DATE) {
- Contact::unmarkForArchival($contact);
- }
-
- // Unarchive the contact if it is a toplevel posting
- if ($arr["parent-uri"] === $arr["uri"]) {
- $contact = dba::select('contact', [], ['id' => $arr["contact-id"]], ['limit' => 1]);
- if ($contact['term-date'] > NULL_DATE) {
- Contact::unmarkForArchival($contact);
- }
- }
-
- $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
-
- // Is it a forum? Then we don't care about the rules from above
- if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
- $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
- intval($arr['contact-id']));
- if (DBM::is_result($isforum)) {
- $update = true;
- }
- }
-
- if ($update) {
- dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
- array('id' => $arr['contact-id']));
- }
- // Now do the same for the system wide contacts with uid=0
- if (!$arr['private']) {
- dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
- array('id' => $arr['owner-id']));
-
- if ($arr['owner-id'] != $arr['author-id']) {
- dba::update('contact', array('success_update' => $arr['received'], 'last-item' => $arr['received']),
- array('id' => $arr['author-id']));
- }
- }
-}
-
-function item_body_set_hashtags(&$item) {
-
- $tags = get_tags($item["body"]);
-
- // No hashtags?
- if (!count($tags)) {
- return false;
- }
-
- // This sorting is important when there are hashtags that are part of other hashtags
- // Otherwise there could be problems with hashtags like #test and #test2
- rsort($tags);
-
- $URLSearchString = "^\[\]";
-
- // All hashtags should point to the home server if "local_tags" is activated
- if (Config::get('system', 'local_tags')) {
- $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
-
- $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
- }
-
- // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
- $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- function ($match) {
- return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
- }, $item["body"]);
-
- $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
- function ($match) {
- return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
- }, $item["body"]);
-
- $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
- function ($match) {
- return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
- }, $item["body"]);
-
- // Repair recursive urls
- $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#$2", $item["body"]);
-
- foreach ($tags as $tag) {
- if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
- continue;
- }
-
- $basetag = str_replace('_',' ',substr($tag,1));
-
- $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
-
- $item["body"] = str_replace($tag, $newtag, $item["body"]);
-
- if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
- if (strlen($item["tag"])) {
- $item["tag"] = ','.$item["tag"];
- }
- $item["tag"] = $newtag.$item["tag"];
- }
- }
-
- // Convert back the masked hashtags
- $item["body"] = str_replace("#", "#", $item["body"]);
-}
-
-function get_item_guid($id) {
- $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
- if (DBM::is_result($r)) {
- return $r[0]["guid"];
- } else {
- /// @TODO This else-block can be elimited again
- return "";
- }
-}
-
-function get_item_id($guid, $uid = 0) {
-
- $nick = "";
- $id = 0;
-
- if ($uid == 0) {
- $uid == local_user();
- }
-
- // Does the given user have this item?
- if ($uid) {
- $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
- WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
- AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
- if (DBM::is_result($r)) {
- $id = $r[0]["id"];
- $nick = $r[0]["nickname"];
- }
- }
-
- // Or is it anywhere on the server?
- if ($nick == "") {
- $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
- WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
- AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
- AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
- AND `item`.`private` = 0 AND `item`.`wall` = 1
- AND `item`.`guid` = '%s'", dbesc($guid));
- if (DBM::is_result($r)) {
- $id = $r[0]["id"];
- $nick = $r[0]["nickname"];
- }
- }
- return array("nick" => $nick, "id" => $id);
-}
-
-// return - test
-function get_item_contact($item, $contacts) {
- if (! count($contacts) || (! is_array($item))) {
- return false;
- }
- foreach ($contacts as $contact) {
- if ($contact['id'] == $item['contact-id']) {
- return $contact;
- }
- }
- return false;
-}
-
-/**
- * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
- * @param int $uid
- * @param int $item_id
- * @return bool true if item was deleted, else false
- */
-function tag_deliver($uid, $item_id)
-{
- $mention = false;
-
- $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($uid)
- );
- if (! DBM::is_result($u)) {
- return;
- }
-
- $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
- $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
-
- $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($item_id),
- intval($uid)
- );
- if (! DBM::is_result($i)) {
- return;
- }
-
- $item = $i[0];
-
- $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
-
- /*
- * Diaspora uses their own hardwired link URL in @-tags
- * instead of the one we supply with webfinger
- */
- $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
-
- $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
- if ($cnt) {
- foreach ($matches as $mtch) {
- if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
- $mention = true;
- logger('tag_deliver: mention found: ' . $mtch[2]);
- }
- }
- }
-
- if (! $mention) {
- if (($community_page || $prvgroup) &&
- (!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])) {
- // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
- // delete it!
- logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
- dba::delete('item', array('id' => $item_id));
- return true;
- }
- return;
- }
-
- $arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
-
- call_hooks('tagged', $arr);
-
- if ((! $community_page) && (! $prvgroup)) {
- return;
- }
-
- /*
- * tgroup delivery - setup a second delivery chain
- * prevent delivery looping - only proceed
- * if the message originated elsewhere and is a top-level post
- */
- if (($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent'])) {
- return;
- }
-
- // now change this copy of the post to a forum head message and deliver to all the tgroup members
- $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
- intval($u[0]['uid'])
- );
- if (! DBM::is_result($c)) {
- return;
- }
-
- // also reset all the privacy bits to the forum default permissions
-
- $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
-
- $forum_mode = (($prvgroup) ? 2 : 1);
-
- q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
- `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
- intval($forum_mode),
- dbesc($c[0]['name']),
- dbesc($c[0]['url']),
- dbesc($c[0]['thumb']),
- intval($private),
- dbesc($u[0]['allow_cid']),
- dbesc($u[0]['allow_gid']),
- dbesc($u[0]['deny_cid']),
- dbesc($u[0]['deny_gid']),
- intval($item_id)
- );
- update_thread($item_id);
-
- Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'Notifier', 'tgroup', $item_id);
-
-}
-
-
-
-function tgroup_check($uid, $item) {
-
- $mention = false;
-
- // check that the message originated elsewhere and is a top-level post
-
- if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
- return false;
- }
-
- /// @TODO Encapsulate this or find it encapsulated and replace all occurrances
- $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($uid)
- );
- if (! DBM::is_result($u)) {
- return false;
- }
-
- $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
- $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
-
- $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
-
- /*
- * Diaspora uses their own hardwired link URL in @-tags
- * instead of the one we supply with webfinger
- */
- $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
-
- $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
- if ($cnt) {
- foreach ($matches as $mtch) {
- if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
- $mention = true;
- logger('tgroup_check: mention found: ' . $mtch[2]);
- }
- }
- }
-
- if (! $mention) {
- return false;
- }
-
- /// @TODO Combine both return statements into one
- return (($community_page) || ($prvgroup));
-}
-
-/**
- * This function returns true if $update has an edited timestamp newer
- * than $existing, i.e. $update contains new data which should override
- * what's already there. If there is no timestamp yet, the update is
- * assumed to be newer. If the update has no timestamp, the existing
- * item is assumed to be up-to-date. If the timestamps are equal it
- * assumes the update has been seen before and should be ignored.
- *
- * @todo fix type-hints (both array)
- */
-function edited_timestamp_is_newer($existing, $update) {
- if (!x($existing, 'edited') || !$existing['edited']) {
- return true;
- }
- if (!x($update, 'edited') || !$update['edited']) {
- return false;
- }
-
- $existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
- $update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
- return (strcmp($existing_edited, $update_edited) < 0);
-}
-
-/**
- *
- * consume_feed - process atom feed and update anything/everything we might need to update
- *
- * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
- *
- * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
- * It is this person's stuff that is going to be updated.
- * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
- * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
- * have a contact record.
- * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
- * might not) try and subscribe to it.
- * $datedir sorts in reverse order
- * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
- * imported prior to its children being seen in the stream unless we are certain
- * of how the feed is arranged/ordered.
- * With $pass = 1, we only pull parent items out of the stream.
- * With $pass = 2, we only pull children (comments/likes).
- *
- * So running this twice, first with pass 1 and then with pass 2 will do the right
- * thing regardless of feed ordering. This won't be adequate in a fully-threaded
- * model where comments can have sub-threads. That would require some massive sorting
- * to get all the feed items into a mostly linear ordering, and might still require
- * recursion.
- *
- * @todo find proper type-hints
- */
-function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
- if ($contact['network'] === NETWORK_OSTATUS) {
- if ($pass < 2) {
- // Test - remove before flight
- //$tempfile = tempnam(get_temppath(), "ostatus2");
- //file_put_contents($tempfile, $xml);
- logger("Consume OStatus messages ", LOGGER_DEBUG);
- OStatus::import($xml, $importer, $contact, $hub);
- }
- return;
- }
-
- if ($contact['network'] === NETWORK_FEED) {
- if ($pass < 2) {
- logger("Consume feeds", LOGGER_DEBUG);
- Feed::import($xml, $importer, $contact, $hub);
- }
- return;
- }
-
- if ($contact['network'] === NETWORK_DFRN) {
- logger("Consume DFRN messages", LOGGER_DEBUG);
-
- $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
- `contact`.`pubkey` AS `cpubkey`,
- `contact`.`prvkey` AS `cprvkey`,
- `contact`.`thumb` AS `thumb`,
- `contact`.`url` as `url`,
- `contact`.`name` as `senderName`,
- `user`.*
- FROM `contact`
- LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
- WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
- dbesc($contact["id"]), dbesc($importer["uid"])
- );
- if (DBM::is_result($r)) {
- logger("Now import the DFRN feed");
- DFRN::import($xml, $r[0], true);
- return;
- }
- }
-}
-
-/// @TODO type-hint is array
-function item_is_remote_self($contact, &$datarray) {
- $a = get_app();
-
- if (!$contact['remote_self']) {
- return false;
- }
-
- // Prevent the forwarding of posts that are forwarded
- if ($datarray["extid"] == NETWORK_DFRN) {
- return false;
- }
-
- // Prevent to forward already forwarded posts
- if ($datarray["app"] == $a->get_hostname()) {
- return false;
- }
-
- // Only forward posts
- if ($datarray["verb"] != ACTIVITY_POST) {
- return false;
- }
-
- if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
- return false;
- }
-
- $datarray2 = $datarray;
- logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
- if ($contact['remote_self'] == 2) {
- $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
- intval($contact['uid']));
- if (DBM::is_result($r)) {
- $datarray['contact-id'] = $r[0]["id"];
-
- $datarray['owner-name'] = $r[0]["name"];
- $datarray['owner-link'] = $r[0]["url"];
- $datarray['owner-avatar'] = $r[0]["thumb"];
-
- $datarray['author-name'] = $datarray['owner-name'];
- $datarray['author-link'] = $datarray['owner-link'];
- $datarray['author-avatar'] = $datarray['owner-avatar'];
-
- unset($datarray['created']);
- unset($datarray['edited']);
- }
-
- if ($contact['network'] != NETWORK_FEED) {
- $datarray["guid"] = get_guid(32);
- unset($datarray["plink"]);
- $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
- $datarray["parent-uri"] = $datarray["uri"];
- $datarray["extid"] = $contact['network'];
- $urlpart = parse_url($datarray2['author-link']);
- $datarray["app"] = $urlpart["host"];
- } else {
- $datarray['private'] = 0;
- }
- }
-
- if ($contact['network'] != NETWORK_FEED) {
- // Store the original post
- $r = item_store($datarray2, false, false);
- logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
- } else {
- $datarray["app"] = "Feed";
- }
-
- // Trigger automatic reactions for addons
- $datarray['api_source'] = true;
-
- // We have to tell the hooks who we are - this really should be improved
- $_SESSION["authenticated"] = true;
- $_SESSION["uid"] = $contact['uid'];
-
- return true;
-}
-
-/// @TODO find proper type-hints
-function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
- $url = notags(trim($datarray['author-link']));
- $name = notags(trim($datarray['author-name']));
- $photo = notags(trim($datarray['author-avatar']));
-
- if (is_object($item)) {
- $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
- if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
- $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
- }
- } else {
- $nick = $item;
- }
-
- if (is_array($contact)) {
- if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
- || ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
- dba::update('contact', array('rel' => CONTACT_IS_FRIEND, 'writable' => true),
- array('id' => $contact['id'], 'uid' => $importer['uid']));
- }
- // send email notification to owner?
- } else {
- // create contact record
- q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
- `blocked`, `readonly`, `pending`, `writable`)
- VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
- intval($importer['uid']),
- dbesc(datetime_convert()),
- dbesc($url),
- dbesc(normalise_link($url)),
- dbesc($name),
- dbesc($nick),
- dbesc($photo),
- dbesc(NETWORK_OSTATUS),
- intval(CONTACT_IS_FOLLOWER)
- );
-
- $r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
- intval($importer['uid']),
- dbesc($url)
- );
- if (DBM::is_result($r)) {
- $contact_record = $r[0];
- Contact::updateAvatar($photo, $importer["uid"], $contact_record["id"], true);
- }
-
- /// @TODO Encapsulate this into a function/method
- $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($importer['uid'])
- );
- if (DBM::is_result($r) && !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
- // create notification
- $hash = random_string();
-
- if (is_array($contact_record)) {
- dba::insert('intro', array('uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
- 'blocked' => false, 'knowyou' => false,
- 'hash' => $hash, 'datetime' => datetime_convert()));
- }
-
- Group::addMember(User::getDefaultGroup($importer['uid'], $contact_record["network"]), $contact_record['id']);
-
- if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
- in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
-
- notification(array(
- 'type' => NOTIFY_INTRO,
- 'notify_flags' => $r[0]['notify-flags'],
- 'language' => $r[0]['language'],
- 'to_name' => $r[0]['username'],
- 'to_email' => $r[0]['email'],
- 'uid' => $r[0]['uid'],
- 'link' => System::baseUrl() . '/notifications/intro',
- 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
- 'source_link' => $contact_record['url'],
- 'source_photo' => $contact_record['photo'],
- 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
- 'otype' => 'intro'
- ));
-
- }
- } elseif (DBM::is_result($r) && in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_COMMUNITY))) {
- q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
- intval($importer['uid']),
- dbesc($url)
- );
- }
-
- }
-}
-
-function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
-
- if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
- dba::update('contact', array('rel' => CONTACT_IS_SHARING), array('id' => $contact['id']));
- } else {
- Contact::remove($contact['id']);
- }
-}
-
-function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
-
- if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
- dba::update('contact', array('rel' => CONTACT_IS_FOLLOWER), array('id' => $contact['id']));
- } else {
- Contact::remove($contact['id']);
- }
-}
-
-function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
-
- $a = get_app();
-
- if (is_array($importer)) {
- $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($importer['uid'])
- );
- }
-
- /*
- * Diaspora has different message-ids in feeds than they do
- * through the direct Diaspora protocol. If we try and use
- * the feed, we'll get duplicates. So don't.
- */
- if ((! DBM::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
- return;
- }
-
- $push_url = Config::get('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
-
- // Use a single verify token, even if multiple hubs
- $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
-
- $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
-
- logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
-
- if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
- dba::update('contact', array('hub-verify' => $verify_token), array('id' => $contact['id']));
- }
-
- post_url($url, $params);
-
- logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
-
- return;
-
-}
-
-/**
- *
- * @param string $s
- * @param int $uid
- * @param array $item
- * @param int $cid
- * @return string
- */
-function fix_private_photos($s, $uid, $item = null, $cid = 0)