namespace Friendica\Model;
+use Friendica\BaseObject;
+use Friendica\Core\Addon;
+use Friendica\Core\Config;
+use Friendica\Core\L10n;
+use Friendica\Core\PConfig;
+use Friendica\Core\System;
use Friendica\Core\Worker;
-use Friendica\Model\Term;
-use Friendica\Model\Contact;
use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Model\Conversation;
+use Friendica\Model\GContact;
+use Friendica\Model\Group;
+use Friendica\Model\Term;
+use Friendica\Object\Image;
+use Friendica\Protocol\Diaspora;
+use Friendica\Protocol\OStatus;
+use Friendica\Util\DateTimeFormat;
use dba;
+use Text_LanguageDetect;
-require_once 'include/tags.php';
+require_once 'boot.php';
require_once 'include/threads.php';
require_once 'include/items.php';
+require_once 'include/text.php';
-class Item
+class Item extends BaseObject
{
/**
* @brief Update existing item entries
continue;
}
- create_tags_from_item($item['id']);
- Term::createFromItem($item['id']);
- update_thread($item['id']);
+ Term::insertFromTagFieldByItemId($item['id']);
+ Term::insertFromFileFieldByItemId($item['id']);
+ self::updateThread($item['id']);
Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
}
dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
}
- // When it is our item we don't delete it here, since we have to send delete messages
+ // Set the item to "deleted"
+ dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
+ 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
+ ['id' => $item['id']]);
+
+ Term::insertFromTagFieldByItemId($item['id']);
+ Term::insertFromFileFieldByItemId($item['id']);
+ self::deleteThread($item['id'], $item['parent-uri']);
+
+ // If it's the parent of a comment thread, kill all the kids
+ if ($item['id'] == $item['parent']) {
+ $items = dba::select('item', ['id'], ['parent' => $item['parent']]);
+ while ($row = dba::fetch($items)) {
+ self::delete($row['id'], $priority);
+ }
+ }
+
+ // send the notification upstream/downstream
if ($item['origin'] || $parent['origin']) {
- // Set the item to "deleted"
- dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
- 'edited' => datetime_convert(), 'changed' => datetime_convert()],
- ['id' => $item['id']]);
-
- create_tags_from_item($item['id']);
- Term::createFromItem($item['id']);
- delete_thread($item['id'], $item['parent-uri']);
-
- // If it's the parent of a comment thread, kill all the kids
- if ($item['id'] == $item['parent']) {
- $items = dba::select('item', ['id'], ['parent' => $item['parent']]);
- while ($row = dba::fetch($items)) {
- self::delete($row['id'], $priority);
+ Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
+ }
+
+ return true;
+ }
+
+ public static function insert($arr, $force_parent = false, $notify = false, $dontcache = false)
+ {
+ $a = get_app();
+
+ // If it is a posting where users should get notifications, then define it as wall posting
+ if ($notify) {
+ $arr['wall'] = 1;
+ $arr['type'] = 'wall';
+ $arr['origin'] = 1;
+ $arr['network'] = NETWORK_DFRN;
+ $arr['protocol'] = PROTOCOL_DFRN;
+
+ // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
+ // In difference to the call to "self::guidFromUri" several lines below we add the hash of our own host.
+ // This is done because our host is the original creator of the post.
+ if (!isset($arr['guid'])) {
+ if (isset($arr['plink'])) {
+ $arr['guid'] = self::guidFromUri($arr['plink'], $a->get_hostname());
+ } elseif (isset($arr['uri'])) {
+ $arr['guid'] = self::guidFromUri($arr['uri'], $a->get_hostname());
}
}
+ } else {
+ $arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM));
+ }
- // send the notification upstream/downstream
- Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
+ if ($notify) {
+ $guid_prefix = "";
+ } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
+ $arr['guid'] = self::guidFromUri($arr['plink']);
+ } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
+ $arr['guid'] = self::guidFromUri($arr['uri']);
} else {
- // delete it immediately. All related children will be deleted as well.
- dba::delete('item', ['id' => $item['id']]);
+ $parsed = parse_url($arr["author-link"]);
+ $guid_prefix = hash("crc32", $parsed["host"]);
}
- return true;
+ $arr['guid'] = notags(trim(defaults($arr, 'guid', get_guid(32, $guid_prefix))));
+ $arr['uri'] = notags(trim(defaults($arr, 'uri', item_new_uri($a->get_hostname(), $uid, $arr['guid']))));
+
+ // Store conversation data
+ $arr = Conversation::insert($arr);
+
+ /*
+ * If a Diaspora signature structure was passed in, pull it out of the
+ * item array and set it aside for later storage.
+ */
+
+ $dsprsig = null;
+ if (x($arr, 'dsprsig')) {
+ $encoded_signature = $arr['dsprsig'];
+ $dsprsig = json_decode(base64_decode($arr['dsprsig']));
+ unset($arr['dsprsig']);
+ }
+
+ // Converting the plink
+ /// @TODO Check if this is really still needed
+ if ($arr['network'] == NETWORK_OSTATUS) {
+ if (isset($arr['plink'])) {
+ $arr['plink'] = OStatus::convertHref($arr['plink']);
+ } elseif (isset($arr['uri'])) {
+ $arr['plink'] = OStatus::convertHref($arr['uri']);
+ }
+ }
+
+ if (x($arr, 'gravity')) {
+ $arr['gravity'] = intval($arr['gravity']);
+ } elseif ($arr['parent-uri'] === $arr['uri']) {
+ $arr['gravity'] = 0;
+ } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
+ $arr['gravity'] = 6;
+ } else {
+ $arr['gravity'] = 6; // extensible catchall
+ }
+
+ $arr['type'] = defaults($arr, 'type', 'remote');
+
+ $uid = intval($arr['uid']);
+
+ // check for create date and expire time
+ $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
+
+ $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
+ if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
+ $expire_interval = $user['expire'];
+ }
+
+ if (($expire_interval > 0) && !empty($arr['created'])) {
+ $expire_date = time() - ($expire_interval * 86400);
+ $created_date = strtotime($arr['created']);
+ if ($created_date < $expire_date) {
+ logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
+ return 0;
+ }
+ }
+
+ /*
+ * Do we already have this item?
+ * We have to check several networks since Friendica posts could be repeated
+ * via OStatus (maybe Diasporsa as well)
+ */
+ if (in_array($arr['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
+ $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
+ dbesc(trim($arr['uri'])),
+ intval($uid),
+ dbesc(NETWORK_DIASPORA),
+ dbesc(NETWORK_DFRN),
+ dbesc(NETWORK_OSTATUS)
+ );
+ if (DBM::is_result($r)) {
+ // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
+ if ($uid != 0) {
+ logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
+ }
+
+ return $r[0]["id"];
+ }
+ }
+
+ self::addLanguageInPostopts($arr);
+
+ $arr['wall'] = intval(defaults($arr, 'wall', 0));
+ $arr['extid'] = trim(defaults($arr, 'extid', ''));
+ $arr['author-name'] = trim(defaults($arr, 'author-name', ''));
+ $arr['author-link'] = trim(defaults($arr, 'author-link', ''));
+ $arr['author-avatar'] = trim(defaults($arr, 'author-avatar', ''));
+ $arr['owner-name'] = trim(defaults($arr, 'owner-name', ''));
+ $arr['owner-link'] = trim(defaults($arr, 'owner-link', ''));
+ $arr['owner-avatar'] = trim(defaults($arr, 'owner-avatar', ''));
+ $arr['received'] = ((x($arr, 'received') !== false) ? DateTimeFormat::utc($arr['received']) : DateTimeFormat::utcNow());
+ $arr['created'] = ((x($arr, 'created') !== false) ? DateTimeFormat::utc($arr['created']) : $arr['received']);
+ $arr['edited'] = ((x($arr, 'edited') !== false) ? DateTimeFormat::utc($arr['edited']) : $arr['created']);
+ $arr['changed'] = ((x($arr, 'changed') !== false) ? DateTimeFormat::utc($arr['changed']) : $arr['created']);
+ $arr['commented'] = ((x($arr, 'commented') !== false) ? DateTimeFormat::utc($arr['commented']) : $arr['created']);
+ $arr['title'] = trim(defaults($arr, 'title', ''));
+ $arr['location'] = trim(defaults($arr, 'location', ''));
+ $arr['coord'] = trim(defaults($arr, 'coord', ''));
+ $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1);
+ $arr['deleted'] = 0;
+ $arr['parent-uri'] = trim(defaults($arr, 'parent-uri', $arr['uri']));
+ $arr['verb'] = trim(defaults($arr, 'verb', ''));
+ $arr['object-type'] = trim(defaults($arr, 'object-type', ''));
+ $arr['object'] = trim(defaults($arr, 'object', ''));
+ $arr['target-type'] = trim(defaults($arr, 'target-type', ''));
+ $arr['target'] = trim(defaults($arr, 'target', ''));
+ $arr['plink'] = trim(defaults($arr, 'plink', ''));
+ $arr['allow_cid'] = trim(defaults($arr, 'allow_cid', ''));
+ $arr['allow_gid'] = trim(defaults($arr, 'allow_gid', ''));
+ $arr['deny_cid'] = trim(defaults($arr, 'deny_cid', ''));
+ $arr['deny_gid'] = trim(defaults($arr, 'deny_gid', ''));
+ $arr['private'] = intval(defaults($arr, 'private', 0));
+ $arr['bookmark'] = intval(defaults($arr, 'bookmark', 0));
+ $arr['body'] = trim(defaults($arr, 'body', ''));
+ $arr['tag'] = trim(defaults($arr, 'tag', ''));
+ $arr['attach'] = trim(defaults($arr, 'attach', ''));
+ $arr['app'] = trim(defaults($arr, 'app', ''));
+ $arr['origin'] = intval(defaults($arr, 'origin', 0));
+ $arr['postopts'] = trim(defaults($arr, 'postopts', ''));
+ $arr['resource-id'] = trim(defaults($arr, 'resource-id', ''));
+ $arr['event-id'] = intval(defaults($arr, 'event-id', 0));
+ $arr['inform'] = trim(defaults($arr, 'inform', ''));
+ $arr['file'] = trim(defaults($arr, 'file', ''));
+
+ // When there is no content then we don't post it
+ if ($arr['body'].$arr['title'] == '') {
+ return 0;
+ }
+
+ // Items cannot be stored before they happen ...
+ if ($arr['created'] > DateTimeFormat::utcNow()) {
+ $arr['created'] = DateTimeFormat::utcNow();
+ }
+
+ // We haven't invented time travel by now.
+ if ($arr['edited'] > DateTimeFormat::utcNow()) {
+ $arr['edited'] = DateTimeFormat::utcNow();
+ }
+
+ if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
+ logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
+ }
+
+ if ($arr['plink'] == "") {
+ $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
+ }
+
+ if ($arr['network'] == NETWORK_PHANTOM) {
+ $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
+ dbesc(normalise_link($arr['author-link'])),
+ intval($arr['uid'])
+ );
+
+ if (!DBM::is_result($r)) {
+ $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
+ dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
+ dbesc(normalise_link($arr['author-link']))
+ );
+ }
+
+ if (!DBM::is_result($r)) {
+ $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($arr['contact-id']),
+ intval($arr['uid'])
+ );
+ }
+
+ if (DBM::is_result($r)) {
+ $arr['network'] = $r[0]["network"];
+ }
+
+ // Fallback to friendica (why is it empty in some cases?)
+ if ($arr['network'] == "") {
+ $arr['network'] = NETWORK_DFRN;
+ }
+
+ logger("Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
+ }
+
+ // The contact-id should be set before "self::insert" was called - but there seems to be some issues
+ if ($arr["contact-id"] == 0) {
+ /*
+ * First we are looking for a suitable contact that matches with the author of the post
+ * This is done only for comments (See below explanation at "gcontact-id")
+ */
+ if ($arr['parent-uri'] != $arr['uri']) {
+ $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
+ }
+
+ // If not present then maybe the owner was found
+ if ($arr["contact-id"] == 0) {
+ $arr["contact-id"] = Contact::getIdForURL($arr['owner-link'], $uid);
+ }
+
+ // Still missing? Then use the "self" contact of the current user
+ if ($arr["contact-id"] == 0) {
+ $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
+
+ if (DBM::is_result($r)) {
+ $arr["contact-id"] = $r[0]["id"];
+ }
+ }
+
+ logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
+ }
+
+ if (!x($arr, "gcontact-id")) {
+ /*
+ * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
+ * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
+ * On comments the author is the better choice.
+ */
+ if ($arr['parent-uri'] === $arr['uri']) {
+ $arr["gcontact-id"] = GContact::getId(["url" => $arr['owner-link'], "network" => $arr['network'],
+ "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']]);
+ } else {
+ $arr["gcontact-id"] = GContact::getId(["url" => $arr['author-link'], "network" => $arr['network'],
+ "photo" => $arr['author-avatar'], "name" => $arr['author-name']]);
+ }
+ }
+
+ if ($arr["author-id"] == 0) {
+ $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
+ }
+
+ if (Contact::isBlocked($arr["author-id"])) {
+ logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
+ return 0;
+ }
+
+ if ($arr["owner-id"] == 0) {
+ $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
+ }
+
+ if (Contact::isBlocked($arr["owner-id"])) {
+ logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
+ return 0;
+ }
+
+ if ($arr['guid'] != "") {
+ // Checking if there is already an item with the same guid
+ logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
+ $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
+ dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
+
+ if (DBM::is_result($r)) {
+ logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
+ return 0;
+ }
+ }
+
+ // Check for hashtags in the body and repair or add hashtag links
+ self::setHashtags($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']) {
+ $arr['private'] = 0;
+ }
+
+ // If its a post from myself then tag the thread as "mention"
+ logger("Checking if parent ".$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/' . $u[0]['nickname']);
+ logger("'myself' is ".$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', ['mention' => true], ['iid' => $parent_id]);
+ logger("tagged thread ".$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('$force_parent=true, reply converted to top-level post.');
+ $parent_id = 0;
+ $arr['parent-uri'] = $arr['uri'];
+ $arr['gravity'] = 0;
+ } else {
+ logger('item parent '.$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'], [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', ['global' => true], ['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) {
+ Addon::callHooks('post_local', $arr);
+ } else {
+ Addon::callHooks('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($arr, 'cancel')) {
+ logger('post cancelled by addon.');
+ return 0;
+ }
+
+ /*
+ * Check for already added items.
+ * There is a timing issue here that sometimes creates double postings.
+ * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
+ */
+ if ($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 '.$arr['network'], LOGGER_DEBUG);
+ return 0;
+ }
+ }
+
+ logger('' . print_r($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', ['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('created item '.$current_post);
+ self::updateContact($arr);
+
+ if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
+ $parent_id = $current_post;
+ }
+
+ // Set parent id
+ dba::update('item', ['parent' => $parent_id], ['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', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
+ } else {
+ dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['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', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
+ 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
+ }
+
+ $deleted = self::tagDeliver($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) {
+ Addon::callHooks('post_local_end', $r[0]);
+ } else {
+ Addon::callHooks('post_remote_end', $r[0]);
+ }
+ } else {
+ logger('new item not found in DB, id ' . $current_post);
+ }
+ }
+
+ if ($arr['parent-uri'] === $arr['uri']) {
+ self::addThread($current_post);
+ } else {
+ self::updateThread($parent_id);
+ }
+
+ dba::commit();
+
+ /*
+ * Due to deadlock issues with the "term" table we are doing these steps after the commit.
+ * This is not perfect - but a workable solution until we found the reason for the problem.
+ */
+ Term::insertFromTagFieldByItemId($current_post);
+ Term::insertFromFileFieldByItemId($current_post);
+
+ if ($arr['parent-uri'] === $arr['uri']) {
+ self::addShadow($current_post);
+ } else {
+ self::addShadowPost($current_post);
+ }
+
+ check_user_notification($current_post);
+
+ if ($notify) {
+ Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
+ }
+
+ return $current_post;
}
/**
$item['type'] = 'remote';
}
- $public_shadow = item_store($item, false, false, true);
+ $public_shadow = self::insert($item, false, false, true);
logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
}
$item['type'] = 'remote';
}
- $public_shadow = item_store($item, false, false, true);
+ $public_shadow = self::insert($item, false, false, true);
logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
}
+
+ /**
+ * Adds a "lang" specification in a "postopts" element of given $arr,
+ * if possible and not already present.
+ * Expects "body" element to exist in $arr.
+ */
+ private static function addLanguageInPostopts(&$arr)
+ {
+ if (x($arr, 'postopts')) {
+ if (strstr($arr['postopts'], 'lang=')) {
+ // do not override
+ return;
+ }
+ $postopts = $arr['postopts'];
+ } else {
+ $postopts = "";
+ }
+
+ $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
+ $l = new Text_LanguageDetect();
+ $lng = $l->detect($naked_body, 3);
+
+ if (sizeof($lng) > 0) {
+ if ($postopts != "") {
+ $postopts .= '&'; // arbitrary separator, to be reviewed
+ }
+
+ $postopts .= 'lang=';
+ $sep = "";
+
+ foreach ($lng as $language => $score) {
+ $postopts .= $sep . $language . ";" . $score;
+ $sep = ':';
+ }
+ $arr['postopts'] = $postopts;
+ }
+ }
+
+ /**
+ * @brief Creates an unique guid out of a given uri
+ *
+ * @param string $uri uri of an item entry
+ * @param string $host (Optional) hostname for the GUID prefix
+ * @return string unique guid
+ */
+ public static function guidFromUri($uri, $host = "")
+ {
+ // Our regular guid routine is using this kind of prefix as well
+ // We have to avoid that different routines could accidentally create the same value
+ $parsed = parse_url($uri);
+
+ // When the hostname isn't given, we take it from the uri
+ if ($host == "") {
+ // Is it in the format data@host.tld?
+ if ((count($parsed) == 1) && strstr($uri, '@')) {
+ $mailparts = explode('@', $uri);
+ $host = array_pop($mailparts);
+ } else {
+ $host = $parsed["host"];
+ }
+ }
+
+ // We use a hash of the hostname as prefix for the guid
+ $guid_prefix = hash("crc32", $host);
+
+ // Remove the scheme to make sure that "https" and "http" doesn't make a difference
+ unset($parsed["scheme"]);
+
+ // Glue it together to be able to make a hash from it
+ $host_id = implode("/", $parsed);
+
+ // We could use any hash algorithm since it isn't a security issue
+ $host_hash = hash("ripemd128", $host_id);
+
+ return $guid_prefix.$host_hash;
+ }
+
+ /**
+ * @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 $arr Contains the just posted item record
+ */
+ private static function updateContact($arr)
+ {
+ // Unarchive the author
+ $contact = dba::selectFirst('contact', [], ['id' => $arr["author-link"]]);
+ if ($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::selectFirst('contact', [], ['id' => $arr["contact-id"]]);
+ if ($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', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
+ ['id' => $arr['contact-id']]);
+ }
+ // Now do the same for the system wide contacts with uid=0
+ if (!$arr['private']) {
+ dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
+ ['id' => $arr['owner-id']]);
+
+ if ($arr['owner-id'] != $arr['author-id']) {
+ dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
+ ['id' => $arr['author-id']]);
+ }
+ }
+ }
+
+ private static function setHashtags(&$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("#", "#", $item["body"]);
+ }
+
+ public static function getGuidById($id)
+ {
+ $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
+ if (DBM::is_result($r)) {
+ return $r[0]["guid"];
+ } else {
+ return "";
+ }
+ }
+
+ public static function getIdAndNickByGuid($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 ["nick" => $nick, "id" => $id];
+ }
+
+ /**
+ * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
+ * @param int $uid
+ * @param int $item_id
+ * @return bool true if item was deleted, else false
+ */
+ private static function tagDeliver($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('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("no-mention top-level post to communuty or private group. delete.");
+ dba::delete('item', ['id' => $item_id]);
+ return true;
+ }
+ return;
+ }
+
+ $arr = ['item' => $item, 'user' => $u[0], 'contact' => $r[0]];
+
+ Addon::callHooks('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)
+ );
+ self::updateThread($item_id);
+
+ Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
+
+ }
+
+ public static function isRemoteSelf($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
+ $r = self::insert($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;
+ }
+
+ /**
+ *
+ * @param string $s
+ * @param int $uid
+ * @param array $item
+ * @param int $cid
+ * @return string
+ */
+ public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
+ {
+ if (Config::get('system', 'disable_embedded')) {
+ return $s;
+ }
+
+ logger('check for photos', LOGGER_DEBUG);
+ $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
+
+ $orig_body = $s;
+ $new_body = '';
+
+ $img_start = strpos($orig_body, '[img');
+ $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+ $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
+
+ while (($img_st_close !== false) && ($img_len !== false)) {
+ $img_st_close++; // make it point to AFTER the closing bracket
+ $image = substr($orig_body, $img_start + $img_st_close, $img_len);
+
+ logger('found photo ' . $image, LOGGER_DEBUG);
+
+ if (stristr($image, $site . '/photo/')) {
+ // Only embed locally hosted photos
+ $replace = false;
+ $i = basename($image);
+ $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
+ $x = strpos($i, '-');
+
+ if ($x) {
+ $res = substr($i, $x + 1);
+ $i = substr($i, 0, $x);
+ $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
+ dbesc($i),
+ intval($res),
+ intval($uid)
+ );
+ if (DBM::is_result($r)) {
+ /*
+ * Check to see if we should replace this photo link with an embedded image
+ * 1. No need to do so if the photo is public
+ * 2. If there's a contact-id provided, see if they're in the access list
+ * for the photo. If so, embed it.
+ * 3. Otherwise, if we have an item, see if the item permissions match the photo
+ * permissions, regardless of order but first check to see if they're an exact
+ * match to save some processing overhead.
+ */
+ if (self::hasPermissions($r[0])) {
+ if ($cid) {
+ $recips = self::enumeratePermissions($r[0]);
+ if (in_array($cid, $recips)) {
+ $replace = true;
+ }
+ } elseif ($item) {
+ if (self::samePermissions($item, $r[0])) {
+ $replace = true;
+ }
+ }
+ }
+ if ($replace) {
+ $data = $r[0]['data'];
+ $type = $r[0]['type'];
+
+ // If a custom width and height were specified, apply before embedding
+ if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
+ logger('scaling photo', LOGGER_DEBUG);
+
+ $width = intval($match[1]);
+ $height = intval($match[2]);
+
+ $Image = new Image($data, $type);
+ if ($Image->isValid()) {
+ $Image->scaleDown(max($width, $height));
+ $data = $Image->asString();
+ $type = $Image->getType();
+ }
+ }
+
+ logger('replacing photo', LOGGER_DEBUG);
+ $image = 'data:' . $type . ';base64,' . base64_encode($data);
+ logger('replaced: ' . $image, LOGGER_DATA);
+ }
+ }
+ }
+ }
+
+ $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
+ $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
+ if ($orig_body === false) {
+ $orig_body = '';
+ }
+
+ $img_start = strpos($orig_body, '[img');
+ $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+ $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
+ }
+
+ $new_body = $new_body . $orig_body;
+
+ return $new_body;
+ }
+
+ private static function hasPermissions($obj)
+ {
+ return (
+ (
+ x($obj, 'allow_cid')
+ ) || (
+ x($obj, 'allow_gid')
+ ) || (
+ x($obj, 'deny_cid')
+ ) || (
+ x($obj, 'deny_gid')
+ )
+ );
+ }
+
+ private static function samePermissions($obj1, $obj2)
+ {
+ // first part is easy. Check that these are exactly the same.
+ if (($obj1['allow_cid'] == $obj2['allow_cid'])
+ && ($obj1['allow_gid'] == $obj2['allow_gid'])
+ && ($obj1['deny_cid'] == $obj2['deny_cid'])
+ && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
+ return true;
+ }
+
+ // This is harder. Parse all the permissions and compare the resulting set.
+ $recipients1 = self::enumeratePermissions($obj1);
+ $recipients2 = self::enumeratePermissions($obj2);
+ sort($recipients1);
+ sort($recipients2);
+
+ /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
+ return ($recipients1 == $recipients2);
+ }
+
+ // returns an array of contact-ids that are allowed to see this object
+ private static function enumeratePermissions($obj)
+ {
+ $allow_people = expand_acl($obj['allow_cid']);
+ $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
+ $deny_people = expand_acl($obj['deny_cid']);
+ $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
+ $recipients = array_unique(array_merge($allow_people, $allow_groups));
+ $deny = array_unique(array_merge($deny_people, $deny_groups));
+ $recipients = array_diff($recipients, $deny);
+ return $recipients;
+ }
+
+ public static function getFeedTags($item)
+ {
+ $ret = [];
+ $matches = false;
+ $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
+ if ($cnt) {
+ for ($x = 0; $x < $cnt; $x ++) {
+ if ($matches[1][$x]) {
+ $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
+ }
+ }
+ }
+ $matches = false;
+ $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
+ if ($cnt) {
+ for ($x = 0; $x < $cnt; $x ++) {
+ if ($matches[1][$x]) {
+ $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
+ }
+ }
+ }
+ return $ret;
+ }
+
+ public static function expire($uid, $days, $network = "", $force = false)
+ {
+ if (!$uid || ($days < 1)) {
+ return;
+ }
+
+ /*
+ * $expire_network_only = save your own wall posts
+ * and just expire conversations started by others
+ */
+ $expire_network_only = PConfig::get($uid,'expire', 'network_only');
+ $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
+
+ if ($network != "") {
+ $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
+
+ /*
+ * There is an index "uid_network_received" but not "uid_network_created"
+ * This avoids the creation of another index just for one purpose.
+ * And it doesn't really matter wether to look at "received" or "created"
+ */
+ $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
+ } else {
+ $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
+ }
+
+ $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
+ WHERE `uid` = %d $range
+ AND `id` = `parent`
+ $sql_extra
+ AND `deleted` = 0",
+ intval($uid),
+ intval($days)
+ );
+
+ if (!DBM::is_result($r)) {
+ return;
+ }
+
+ $expire_items = PConfig::get($uid, 'expire', 'items', 1);
+
+ // Forcing expiring of items - but not notes and marked items
+ if ($force) {
+ $expire_items = true;
+ }
+
+ $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
+ $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
+ $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
+
+ logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
+
+ foreach ($r as $item) {
+
+ // don't expire filed items
+
+ if (strpos($item['file'],'[') !== false) {
+ continue;
+ }
+
+ // Only expire posts, not photos and photo comments
+
+ if ($expire_photos == 0 && strlen($item['resource-id'])) {
+ continue;
+ } elseif ($expire_starred == 0 && intval($item['starred'])) {
+ continue;
+ } elseif ($expire_notes == 0 && $item['type'] == 'note') {
+ continue;
+ } elseif ($expire_items == 0 && $item['type'] != 'note') {
+ continue;
+ }
+
+ self::delete($item['id'], PRIORITY_LOW);
+ }
+ }
+
+ /// @TODO: This query seems to be really slow
+ public static function firstPostDate($uid, $wall = false)
+ {
+ $r = q("SELECT `id`, `created` FROM `item`
+ WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
+ AND `id` = `parent`
+ ORDER BY `created` ASC LIMIT 1",
+ intval($uid),
+ intval($wall ? 1 : 0)
+ );
+ if (DBM::is_result($r)) {
+ return substr(DateTimeFormat::local($r[0]['created']),0,10);
+ }
+ return false;
+ }
+
+ /**
+ * @brief add/remove activity to an item
+ *
+ * Toggle activities as like,dislike,attend of an item
+ *
+ * @param string $item_id
+ * @param string $verb
+ * Activity verb. One of
+ * like, unlike, dislike, undislike, attendyes, unattendyes,
+ * attendno, unattendno, attendmaybe, unattendmaybe
+ * @hook 'post_local_end'
+ * array $arr
+ * 'post_id' => ID of posted item
+ */
+ public static function performLike($item_id, $verb)
+ {
+ if (!local_user() && !remote_user()) {
+ return false;
+ }
+
+ switch ($verb) {
+ case 'like':
+ case 'unlike':
+ $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
+ $activity = ACTIVITY_LIKE;
+ break;
+ case 'dislike':
+ case 'undislike':
+ $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
+ $activity = ACTIVITY_DISLIKE;
+ break;
+ case 'attendyes':
+ case 'unattendyes':
+ $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
+ $activity = ACTIVITY_ATTEND;
+ break;
+ case 'attendno':
+ case 'unattendno':
+ $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
+ $activity = ACTIVITY_ATTENDNO;
+ break;
+ case 'attendmaybe':
+ case 'unattendmaybe':
+ $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
+ $activity = ACTIVITY_ATTENDMAYBE;
+ break;
+ default:
+ logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
+ return false;
+ }
+
+ // Enable activity toggling instead of on/off
+ $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
+
+ logger('like: verb ' . $verb . ' item ' . $item_id);
+
+ $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
+ if (!DBM::is_result($item)) {
+ logger('like: unknown item ' . $item_id);
+ return false;
+ }
+
+ $uid = $item['uid'];
+ if (($uid == 0) && local_user()) {
+ $uid = local_user();
+ }
+
+ if (!can_write_wall($uid)) {
+ logger('like: unable to write on wall ' . $uid);
+ return false;
+ }
+
+ // Retrieves the local post owner
+ $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
+ if (!DBM::is_result($owner_self_contact)) {
+ logger('like: unknown owner ' . $uid);
+ return false;
+ }
+
+ // Retrieve the current logged in user's public contact
+ $author_id = public_contact();
+
+ $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
+ if (!DBM::is_result($author_contact)) {
+ logger('like: unknown author ' . $author_id);
+ return false;
+ }
+
+ // Contact-id is the uid-dependant author contact
+ if (local_user() == $uid) {
+ $item_contact_id = $owner_self_contact['id'];
+ $item_contact = $owner_self_contact;
+ } else {
+ $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid);
+ $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
+ if (!DBM::is_result($item_contact)) {
+ logger('like: unknown item contact ' . $item_contact_id);
+ return false;
+ }
+ }
+
+ // Look for an existing verb row
+ // event participation are essentially radio toggles. If you make a subsequent choice,
+ // we need to eradicate your first choice.
+ if ($event_verb_flag) {
+ $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
+ } else {
+ $verbs = "'".dbesc($activity)."'";
+ }
+
+ $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
+ WHERE `verb` IN ($verbs)
+ AND `deleted` = 0
+ AND `author-id` = %d
+ AND `uid` = %d
+ AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
+ LIMIT 1",
+ intval($author_contact['id']),
+ intval($item['uid']),
+ dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
+ );
+
+ // If it exists, mark it as deleted
+ if (DBM::is_result($existing_like)) {
+ $like_item = $existing_like[0];
+
+ // Already voted, undo it
+ $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
+ dba::update('item', $fields, ['id' => $like_item['id']]);
+
+ // Clean up the Diaspora signatures for this like
+ // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
+ // if it had been enabled in the past
+ dba::delete('sign', ['iid' => $like_item['id']]);
+
+ $like_item_id = $like_item['id'];
+ Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
+
+ if (!$event_verb_flag || $like_item['verb'] == $activity) {
+ return true;
+ }
+ }
+
+ // Verb is "un-something", just trying to delete existing entries
+ if (strpos($verb, 'un') === 0) {
+ return true;
+ }
+
+ // Else or if event verb different from existing row, create a new item row
+ $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
+ if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
+ $post_type = L10n::t('event');
+ }
+ $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
+ $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
+ $body = $item['body'];
+
+ $obj = <<< EOT
+
+ <object>
+ <type>$objtype</type>
+ <local>1</local>
+ <id>{$item['uri']}</id>
+ <link>$link</link>
+ <title></title>
+ <content>$body</content>
+ </object>
+EOT;
+
+ $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
+ $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
+ $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
+
+ $new_item = [
+ 'guid' => get_guid(32),
+ 'uri' => item_new_uri(self::getApp()->get_hostname(), $item['uid']),
+ 'uid' => $item['uid'],
+ 'contact-id' => $item_contact_id,
+ 'type' => 'activity',
+ 'wall' => $item['wall'],
+ 'origin' => 1,
+ 'gravity' => GRAVITY_LIKE,
+ 'parent' => $item['id'],
+ 'parent-uri' => $item['uri'],
+ 'thr-parent' => $item['uri'],
+ 'owner-id' => $item['owner-id'],
+ 'owner-name' => $item['owner-name'],
+ 'owner-link' => $item['owner-link'],
+ 'owner-avatar' => $item['owner-avatar'],
+ 'author-id' => $author_contact['id'],
+ 'author-name' => $author_contact['name'],
+ 'author-link' => $author_contact['url'],
+ 'author-avatar' => $author_contact['thumb'],
+ 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
+ 'verb' => $activity,
+ 'object-type' => $objtype,
+ 'object' => $obj,
+ 'allow_cid' => $item['allow_cid'],
+ 'allow_gid' => $item['allow_gid'],
+ 'deny_cid' => $item['deny_cid'],
+ 'deny_gid' => $item['deny_gid'],
+ 'visible' => 1,
+ 'unseen' => 1,
+ ];
+
+ $new_item_id = Item::insert($new_item);
+
+ // @todo: Explain this block
+ if (! $item['visible']) {
+ q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d",
+ intval($item['id'])
+ );
+ }
+
+ // Save the author information for the like in case we need to relay to Diaspora
+ Diaspora::storeLikeSignature($item_contact, $new_item_id);
+
+ $new_item['id'] = $new_item_id;
+
+ Addon::callHooks('post_local_end', $new_item);
+
+ Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
+
+ return true;
+ }
+
+ private static function addThread($itemid, $onlyshadow = false) {
+ $items = q("SELECT `uid`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`,
+ `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`, `gcontact-id`,
+ `deleted`, `origin`, `forum_mode`, `mention`, `network`, `author-id`, `owner-id`
+ FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
+
+ if (!$items)
+ return;
+
+ $item = $items[0];
+ $item['iid'] = $itemid;
+
+ if (!$onlyshadow) {
+ $result = dba::insert('thread', $item);
+
+ logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
+ }
+ }
+
+ public static function updateThreadFromUri($itemuri, $uid) {
+ $messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
+
+ if (DBM::is_result($messages)) {
+ foreach ($messages as $message) {
+ self::updateThread($message["id"]);
+ }
+ }
+ }
+
+ public static function updateThread($itemid, $setmention = false) {
+ $items = q("SELECT `uid`, `guid`, `title`, `body`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`, `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`, `gcontact-id`,
+ `deleted`, `origin`, `forum_mode`, `network`, `rendered-html`, `rendered-hash` FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
+
+ if (!DBM::is_result($items)) {
+ return;
+ }
+
+ $item = $items[0];
+
+ if ($setmention) {
+ $item["mention"] = 1;
+ }
+
+ $sql = "";
+
+ foreach ($item AS $field => $data)
+ if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
+ if ($sql != "") {
+ $sql .= ", ";
+ }
+
+ $sql .= "`".$field."` = '".dbesc($data)."'";
+ }
+
+ $result = q("UPDATE `thread` SET ".$sql." WHERE `iid` = %d", intval($itemid));
+
+ logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".print_r($result, true)." ".print_r($item, true), LOGGER_DEBUG);
+
+ // Updating a shadow item entry
+ $items = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = 0 LIMIT 1", dbesc($item["guid"]));
+
+ if (!DBM::is_result($items)) {
+ return;
+ }
+
+ $result = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s' WHERE `id` = %d",
+ dbesc($item["title"]),
+ dbesc($item["body"]),
+ dbesc($item["rendered-html"]),
+ dbesc($item["rendered-hash"]),
+ intval($items[0]["id"])
+ );
+ logger("Updating public shadow for post ".$items[0]["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
+ }
+
+ public static function deleteThreadFromUri($itemuri, $uid) {
+ $messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
+
+ if (DBM::is_result($messages)) {
+ foreach ($messages as $message) {
+ self::deleteThread($message["id"], $itemuri);
+ }
+ }
+ }
+
+ public static function deleteThread($itemid, $itemuri = "") {
+ $item = q("SELECT `uid` FROM `thread` WHERE `iid` = %d", intval($itemid));
+
+ if (!DBM::is_result($item)) {
+ logger('No thread found for id '.$itemid, LOGGER_DEBUG);
+ return;
+ }
+
+ // Using dba::delete at this time could delete the associated item entries
+ $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
+
+ logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
+
+ if ($itemuri != "") {
+ $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND NOT `deleted` AND NOT (`uid` IN (%d, 0))",
+ dbesc($itemuri),
+ intval($item["uid"])
+ );
+ if (!DBM::is_result($r)) {
+ dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
+ logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);
+ }
+ }
+ }
}
projects / friendica.git / blobdiff