X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=src%2FModel%2FItem.php;h=bb8080e5fd4f234623d5e90af64b6cb0a9a6df6d;hb=88870d18be53fc38d70e842cdc35c7a1bc703b75;hp=fb024d1ad8eb942189be3fb827194680f3202170;hpb=c376081d0d00218ea494991de1d4a05c3b4c1567;p=friendica.git

diff --git a/src/Model/Item.php b/src/Model/Item.php
index fb024d1ad8..bb8080e5fd 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -42,6 +42,7 @@ use Friendica\Util\Map;
 use Friendica\Util\Network;
 use Friendica\Util\Proxy;
 use Friendica\Util\Strings;
+use Friendica\Util\Temporal;
 use Friendica\Worker\Delivery;
 use LanguageDetection\Language;
 
@@ -87,14 +88,16 @@ class Item
 		'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
 		'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
 		'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
-		'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
-		'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
+		'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
+		'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
 		'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
 		'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
 		'writable', 'self', 'cid', 'alias',
 		'event-created', 'event-edited', 'event-start', 'event-finish',
 		'event-summary', 'event-desc', 'event-location', 'event-type',
 		'event-nofinish', 'event-ignore', 'event-id',
+		'question-id', 'question-multiple', 'question-voters', 'question-end-time',
+		'has-categories', 'has-media',
 		'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
 	];
 
@@ -223,7 +226,7 @@ class Item
 
 		foreach ($notify_items as $notify_item) {
 			$post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
-			Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
+			Worker::add(PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
 		}
 
 		return $rows;
@@ -234,9 +237,10 @@ class Item
 	 *
 	 * @param array   $condition The condition for finding the item entries
 	 * @param integer $priority  Priority for the notification
+	 * @return void
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
+	public static function markForDeletion(array $condition, int $priority = PRIORITY_HIGH)
 	{
 		$items = Post::select(['id'], $condition);
 		while ($item = Post::fetch($items)) {
@@ -250,9 +254,10 @@ class Item
 	 *
 	 * @param array   $condition The condition for finding the item entries
 	 * @param integer $uid       User who wants to delete this item
+	 * @return void
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function deleteForUser($condition, $uid)
+	public static function deleteForUser(array $condition, int $uid)
 	{
 		if ($uid == 0) {
 			return;
@@ -279,11 +284,10 @@ class Item
 	 *
 	 * @param integer $item_id
 	 * @param integer $priority Priority for the notification
-	 *
 	 * @return boolean success
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
+	public static function markForDeletionById(int $item_id, int $priority = PRIORITY_HIGH): bool
 	{
 		Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
 		// locate item to be deleted
@@ -328,7 +332,7 @@ class Item
 		// If item has attachments, drop them
 		$attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
 		foreach($attachments as $attachment) {
-			if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
+			if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
 				Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
 			}
 		}
@@ -357,7 +361,7 @@ class Item
 
 			// send the notification upstream/downstream
 			if ($priority) {
-				Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
+				Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
 			}
 		} elseif ($item['uid'] != 0) {
 			Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
@@ -369,7 +373,14 @@ class Item
 		return true;
 	}
 
-	public static function guid($item, $notify)
+	/**
+	 * Get guid from given item record
+	 *
+	 * @param array $item Item record
+	 * @param bool Whether to notify (?)
+	 * @return string Guid
+	 */
+	public static function guid(array $item, bool $notify): string
 	{
 		if (!empty($item['guid'])) {
 			return trim($item['guid']);
@@ -422,7 +433,13 @@ class Item
 		return $guid;
 	}
 
-	private static function contactId($item)
+	/**
+	 * Returns contact id from given item record
+	 *
+	 * @param array $item Item record
+	 * @return int Contact id
+	 */
+	private static function contactId(array $item): int
 	{
 		if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
 			return $item['contact-id'];
@@ -448,17 +465,17 @@ class Item
 	 * @param array $item The item fields that are to be inserted
 	 * @throws \Exception
 	 */
-	private static function spool($orig_item)
+	private static function spool(array $item)
 	{
 		// 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';
 
 		$spoolpath = System::getSpoolPath();
-		if ($spoolpath != "") {
+		if ($spoolpath != '') {
 			$spool = $spoolpath . '/' . $file;
 
-			file_put_contents($spool, json_encode($orig_item));
+			file_put_contents($spool, json_encode($item));
 			Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
 		}
 	}
@@ -466,10 +483,10 @@ class Item
 	/**
 	 * Check if the item array is a duplicate
 	 *
-	 * @param array $item
+	 * @param array $item Item record
 	 * @return boolean is it a duplicate?
 	 */
-	private static function isDuplicate(array $item)
+	private static function isDuplicate(array $item): bool
 	{
 		// Checking if there is already an item with the same guid
 		$condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
@@ -518,10 +535,10 @@ class Item
 	/**
 	 * Check if the item array is valid
 	 *
-	 * @param array $item
+	 * @param array $item Item record
 	 * @return boolean item is valid
 	 */
-	public static function isValid(array $item)
+	public static function isValid(array $item): bool
 	{
 		// When there is no content then we don't post it
 		if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
@@ -588,10 +605,10 @@ class Item
 	/**
 	 * Check if the item array is too old
 	 *
-	 * @param array $item
+	 * @param array $item Item record
 	 * @return boolean item is too old
 	 */
-	public static function isTooOld(array $item)
+	public static function isTooOld(array $item): bool
 	{
 		// check for create date and expire time
 		$expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
@@ -620,15 +637,20 @@ class Item
 	/**
 	 * Return the id of the given item array if it has been stored before
 	 *
-	 * @param array $item
-	 * @return integer item id
+	 * @param array $item Item record
+	 * @return integer Item id or zero on error
 	 */
-	private static function getDuplicateID(array $item)
+	private static function getDuplicateID(array $item): int
 	{
 		if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
-			$condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
-				$item['uri-id'], $item['uid'],
-				Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
+			$condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
+				$item['uri-id'],
+				$item['uid'],
+				Protocol::ACTIVITYPUB,
+				Protocol::DIASPORA,
+				Protocol::DFRN,
+				Protocol::OSTATUS
+			];
 			$existing = Post::selectFirst(['id', 'network'], $condition);
 			if (DBA::isResult($existing)) {
 				// We only log the entries with a different user id than 0. Otherwise we would have too many false positives
@@ -637,12 +659,12 @@ class Item
 						'uri-id' => $item['uri-id'],
 						'uid' => $item['uid'],
 						'network' => $item['network'],
-						'existing_id' => $existing["id"],
-						'existing_network' => $existing["network"]
+						'existing_id' => $existing['id'],
+						'existing_network' => $existing['network']
 					]);
 				}
 
-				return $existing["id"];
+				return $existing['id'];
 			}
 		}
 		return 0;
@@ -655,7 +677,7 @@ class Item
 	 * @return array item array with parent data
 	 * @throws \Exception
 	 */
-	private static function getTopLevelParent(array $item)
+	private static function getTopLevelParent(array $item): array
 	{
 		$fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
 			'uri-id', 'parent-uri-id',
@@ -706,7 +728,7 @@ class Item
 	 * @param array $item
 	 * @return integer gravity
 	 */
-	private static function getGravity(array $item)
+	private static function getGravity(array $item): int
 	{
 		$activity = DI::activity();
 
@@ -721,11 +743,20 @@ class Item
 		} elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
 			return GRAVITY_ACTIVITY;
 		}
+
 		Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
 		return GRAVITY_UNKNOWN;   // Should not happen
 	}
 
-	public static function insert(array $item, bool $notify = false, bool $post_local = true)
+	/**
+	 * Inserts item record
+	 *
+	 * @param array $item Item array to be inserted
+	 * @param int   $notify Notification (type?)
+	 * @param bool  $post_local (???)
+	 * @return int Zero means error, otherwise primary key (id) is being returned
+	 */
+	public static function insert(array $item, int $notify = 0, bool $post_local = true): int
 	{
 		$orig_item = $item;
 
@@ -739,7 +770,7 @@ class Item
 			$item['protocol'] = Conversation::PARCEL_DIRECT;
 			$item['direction'] = Conversation::PUSH;
 
-			if (in_array($notify, PRIORITIES)) {
+			if (is_int($notify) && in_array($notify, PRIORITIES)) {
 				$priority = $notify;
 			}
 		} else {
@@ -866,10 +897,10 @@ class Item
 		Contact::checkAvatarCache($item['owner-id']);
 
 		// The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
-		$item["contact-id"] = self::contactId($item);
+		$item['contact-id'] = self::contactId($item);
 
 		if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
-			self::isTooOld($item)) {
+			empty($item['origin']) &&self::isTooOld($item)) {
 			Logger::info('Item is too old', ['item' => $item]);
 			return 0;
 		}
@@ -941,8 +972,8 @@ class Item
 		$item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
 
 		// Is this item available in the global items (with uid=0)?
-		if ($item["uid"] == 0) {
-			$item["global"] = true;
+		if ($item['uid'] == 0) {
+			$item['global'] = true;
 
 			// Set the global flag on all items if this was a global item entry
 			Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
@@ -951,8 +982,8 @@ class Item
 		}
 
 		// ACL settings
-		if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
-			$item["private"] = self::PRIVATE;
+		if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
+			$item['private'] = self::PRIVATE;
 		}
 
 		if ($notify && $post_local) {
@@ -1076,6 +1107,13 @@ class Item
 			unset($item['causer-id']);
 		}
 
+		if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
+			$content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
+			if (!empty($content_warning) && empty($item['content-warning'])) {
+				$item['content-warning'] = BBCode::toPlaintext($content_warning);
+			}
+		}
+
 		Post::insert($item['uri-id'], $item);
 
 		if ($item['gravity'] == GRAVITY_PARENT) {
@@ -1208,9 +1246,30 @@ class Item
 			Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
 		}
 
+		// Fill the cache with the rendered content.
+		if (in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
+			self::updateDisplayCache($posted_item['uri-id']);
+		}
+
+		if ($posted_item['origin'] && ($posted_item['uid'] != 0) && in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT])) {
+			DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_OUTBOX . $posted_item['uid']);
+		}
+
 		return $post_user_id;
 	}
 
+	/**
+	 * Update the display cache
+	 *
+	 * @param integer $uri_id
+	 * @return void
+	 */
+	public static function updateDisplayCache(int $uri_id)
+	{
+		$item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
+		self::prepareBody($item, false, false, true);
+	}
+
 	/**
 	 * Change the owner of a parent item if it had been shared by a forum
 	 *
@@ -1236,8 +1295,11 @@ class Item
 			return;
 		}
 
+		$self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
+		$self = !empty($self_contact) ? $self_contact['id'] : 0;
+
 		$cid = Contact::getIdForURL($author['url'], $item['uid']);
-		if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
+		if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
 			Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
 			return;
 		}
@@ -1289,7 +1351,7 @@ class Item
 	 * @param string  $signed_text Original text (for Diaspora signatures), JSON encoded.
 	 * @throws \Exception
 	 */
-	public static function distribute($itemid, $signed_text = '')
+	public static function distribute(int $itemid, string $signed_text = '')
 	{
 		$condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
 		$parent = Post::selectFirst(['owner-id'], $condition);
@@ -1383,7 +1445,7 @@ class Item
 	 * @param integer $source_uid User id of the source post
 	 * @return integer stored item id
 	 */
-	public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0)
+	public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
 	{
 		if ($uid == $source_uid) {
 			Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
@@ -1415,7 +1477,7 @@ class Item
 			return 0;
 		}
 
-		if ((($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
+		if (($uri_id != $item['thr-parent-id']) && (($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
 			// Fetch the origin user for the post
 			$origin_uid = self::GetOriginUidForUriId($item['thr-parent-id'], $uid);
 			if (is_null($origin_uid)) {
@@ -1447,26 +1509,36 @@ class Item
 		}
 
 		$post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
-		if (empty($post)) {
-			if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
-				return 0;
-			} else {
+		if (!empty($post)) {
+			if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
+				return $post['uid'];
+			}
+
+			$pcid = Contact::getPublicIdByUserId($uid);
+			if (empty($pcid)) {
 				return null;
 			}
-		}
 
-		if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
-			return $post['uid'];
-		}
+			foreach (Item::enumeratePermissions($post, true) as $receiver) {
+				if ($receiver == $pcid) {
+					return $post['uid'];
+				}
+			}
 
-		$pcid = Contact::getPublicIdByUserId($uid);
-		if (empty($pcid)) {
 			return null;
 		}
 
-		foreach (Item::enumeratePermissions($post, true) as $receiver) {
-			if ($receiver == $pcid) {
-				return $post['uid'];
+		if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
+			return 0;
+		}
+
+		// When the post belongs to a a forum then all forum users are allowed to access it
+		foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
+			if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
+				$target_uid = User::getIdForURL($tag['url']);
+				if (!empty($target_uid)) {
+					return $target_uid;
+				}
 			}
 		}
 
@@ -1481,7 +1553,7 @@ class Item
 	 * @return integer stored item id
 	 * @throws \Exception
 	 */
-	private static function storeForUser(array $item, int $uid)
+	private static function storeForUser(array $item, int $uid): int
 	{
 		if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
 			if (!empty($item['event-id'])) {
@@ -1569,7 +1641,7 @@ class Item
 	 * @param integer $itemid Item ID that should be added
 	 * @throws \Exception
 	 */
-	private static function addShadow($itemid)
+	private static function addShadow(int $itemid)
 	{
 		$fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
 		$condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
@@ -1632,7 +1704,7 @@ class Item
 	 * @param integer $itemid Item ID that should be added
 	 * @throws \Exception
 	 */
-	private static function addShadowPost($itemid)
+	private static function addShadowPost(int $itemid)
 	{
 		$item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
 		if (!DBA::isResult($item)) {
@@ -1696,7 +1768,7 @@ class Item
 	 * @return string detected language
 	 * @throws \Text_LanguageDetect_Exception
 	 */
-	private static function getLanguage(array $item)
+	private static function getLanguage(array $item): string
 	{
 		if (!empty($item['language'])) {
 			return $item['language'];
@@ -1731,7 +1803,7 @@ class Item
 		// which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
 		$availableLanguages['fa'] = 'fa';
 
-		$ld = new Language($availableLanguages);
+		$ld = new Language(array_keys($availableLanguages));
 		$languages = $ld->detect($naked_body)->limit(0, 3)->close();
 		if (is_array($languages)) {
 			return json_encode($languages);
@@ -1740,7 +1812,7 @@ class Item
 		return '';
 	}
 
-	public static function getLanguageMessage(array $item)
+	public static function getLanguageMessage(array $item): string
 	{
 		$iso639 = new \Matriphe\ISO639\ISO639;
 
@@ -1753,31 +1825,29 @@ class Item
 	}
 
 	/**
-	 * Creates an unique guid out of a given uri
-	 *
-	 * @param string $uri uri of an item entry
-	 * @param string $host hostname for the GUID prefix
-	 * @return string unique guid
+	 * Creates an unique guid out of a given uri.
+	 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
+	 * Posts that are created on this system are using System::createUUID.
+	 * Received ActivityPub posts are using Processor::getGUIDByURL.
+	 *
+	 * @param string      $uri uri of an item entry
+	 * @param string|null $host hostname for the GUID prefix
+	 * @return string Unique guid
 	 */
-	public static function guidFromUri($uri, $host)
+	public static function guidFromUri(string $uri, string $host = null): string
 	{
 		// 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);
 
-		// 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"]);
+		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);
+		$host_id = implode('/', $parsed);
 
-		return $guid_prefix.$host_hash;
+		// Use a mixture of several hashes to provide some GUID like experience
+		return hash('crc32', $host) . '-'. hash('joaat', $host_id) . '-'. hash('fnv164', $host_id);
 	}
 
 	/**
@@ -1789,9 +1859,9 @@ class Item
 	 * @return string
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function newURI($uid, $guid = "")
+	public static function newURI(int $uid, string $guid = ''): string
 	{
-		if ($guid == "") {
+		if ($guid == '') {
 			$guid = System::createUUID();
 		}
 
@@ -1808,7 +1878,7 @@ class Item
 	 * @param array $arr Contains the just posted item record
 	 * @throws \Exception
 	 */
-	private static function updateContact($arr)
+	private static function updateContact(array $arr)
 	{
 		// Unarchive the author
 		$contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
@@ -1855,7 +1925,7 @@ class Item
 		}
 	}
 
-	public static function setHashtags($body)
+	public static function setHashtags(string $body): string
 	{
 		$body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
 			$tags = BBCode::getTags($body);
@@ -1929,13 +1999,13 @@ class Item
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
 	 */
-	private static function tagDeliver($uid, $item_id)
+	private static function tagDeliver(int $uid, int $item_id): bool
 	{
 		$mention = false;
 
 		$owner = User::getOwnerDataById($uid);
 		if (!DBA::isResult($owner)) {
-			Logger::warning('User not found, quitting.', ['uid' => $uid]);
+			Logger::warning('User not found, quitting here.', ['uid' => $uid]);
 			return false;
 		}
 
@@ -1944,55 +2014,50 @@ class Item
 			return false;
 		}
 
-		$item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
+		$item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], 'origin' => false]);
 		if (!DBA::isResult($item)) {
-			Logger::warning('Post not found, quitting.', ['id' => $item_id]);
+			Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
 			return false;
 		}
 
-		if ($item['wall'] || $item['origin'] || ($item['gravity'] != GRAVITY_PARENT)) {
-			Logger::debug('Wall item, origin item or no parent post, quitting here.', ['wall' => $item['wall'], 'origin' => $item['origin'], 'gravity' => $item['gravity'], 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
-			return false;
-		}
+		if ($item['gravity'] == GRAVITY_PARENT) {
+			$tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
+			foreach ($tags as $tag) {
+				if (Strings::compareLink($owner['url'], $tag['url'])) {
+					$mention = true;
+					Logger::info('Mention found in tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
+				}
+			}
 
-		$tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
-		foreach ($tags as $tag) {
-			if (Strings::compareLink($owner['url'], $tag['url'])) {
-				$mention = true;
-				Logger::info('Mention found in tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
+			if (!$mention) {
+				Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
+				Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
+				return true;
 			}
-		}
 
-		// This check can most likely be removed since we always are having the tags
-		if (!$mention) {
-			$cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
-			if ($cnt) {
-				foreach ($matches as $mtch) {
-					if (Strings::compareLink($owner['url'], $mtch[1])) {
-						$mention = true;
-						Logger::notice('Mention found in body.', ['mention' => $mtch[2], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
-					}
+			$arr = ['item' => $item, 'user' => $owner];
+
+			Hook::callAll('tagged', $arr);
+		} else {
+			$tags = Tag::getByURIId($item['parent-uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
+			foreach ($tags as $tag) {
+				if (Strings::compareLink($owner['url'], $tag['url'])) {
+					$mention = true;
+					Logger::info('Mention found in parent tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
 				}
 			}
-		}
 
-		if (!$mention) {
-			Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
-			Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
-			return true;
+			if (!$mention) {
+				Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
+				return false;
+			}
 		}
 
-		$arr = ['item' => $item, 'user' => $owner];
-
-		Hook::callAll('tagged', $arr);
-
 		Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
 
 		if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
-			Group::getMembersForForum($owner['id']);
-
-			$allow_cid = '<' . $owner['id'] . '>';
-			$allow_gid = '<' . Group::getIdForForum($owner['id']) . '>';
+			$allow_cid = '';
+			$allow_gid = '<' . Group::FOLLOWERS . '>';
 			$deny_cid  = '';
 			$deny_gid  = '';
 			self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
@@ -2029,7 +2094,7 @@ class Item
 		self::performActivity($item['id'], 'announce', $item['uid']);
 	}
 
-	public static function isRemoteSelf($contact, &$datarray)
+	public static function isRemoteSelf(array $contact, array &$datarray): bool
 	{
 		if (!$contact['remote_self']) {
 			return false;
@@ -2123,7 +2188,7 @@ class Item
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
 	 */
-	public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
+	public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
 	{
 		if (DI::config()->get('system', 'disable_embedded')) {
 			return $s;
@@ -2217,13 +2282,14 @@ class Item
 		return $new_body;
 	}
 
-	private static function hasPermissions($obj)
+	private static function hasPermissions(array $obj)
 	{
 		return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
 			!empty($obj['deny_cid']) || !empty($obj['deny_gid']);
 	}
 
-	private static function samePermissions($uid, $obj1, $obj2)
+	// @TODO $uid is unused parameter
+	private static function samePermissions($uid, array $obj1, array $obj2): bool
 	{
 		// first part is easy. Check that these are exactly the same.
 		if (($obj1['allow_cid'] == $obj2['allow_cid'])
@@ -2251,7 +2317,7 @@ class Item
 	 * @return array
 	 * @throws \Exception
 	 */
-	public static function enumeratePermissions(array $obj, bool $check_dead = false)
+	public static function enumeratePermissions(array $obj, bool $check_dead = false): array
 	{
 		$aclFormater = DI::aclFormatter();
 
@@ -2339,7 +2405,7 @@ class Item
 		Logger::notice('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
 	}
 
-	public static function firstPostDate($uid, $wall = false)
+	public static function firstPostDate(int $uid, bool $wall = false)
 	{
 		$user = User::getById($uid, ['register_date']);
 		if (empty($user)) {
@@ -2380,7 +2446,7 @@ class Item
 	 *            array $arr
 	 *            'post_id' => ID of posted item
 	 */
-	public static function performActivity(int $item_id, string $verb, int $uid, string $allow_cid = null, string $allow_gid = null, string $deny_cid = null, string $deny_gid = null)
+	public static function performActivity(int $item_id, string $verb, int $uid, string $allow_cid = null, string $allow_gid = null, string $deny_cid = null, string $deny_gid = null): bool
 	{
 		if (empty($uid)) {
 			return false;
@@ -2574,7 +2640,7 @@ class Item
 	 * @param integer $owner_id User ID for which the permissions should be fetched
 	 * @return array condition
 	 */
-	public static function getPermissionsConditionArrayByUserId(int $owner_id)
+	public static function getPermissionsConditionArrayByUserId(int $owner_id): array
 	{
 		$local_user = local_user();
 		$remote_user = Session::getRemoteContactID($owner_id);
@@ -2606,7 +2672,7 @@ class Item
 	 * @param string $table
 	 * @return string
 	 */
-	public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
+	public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
 	{
 		$local_user = local_user();
 		$remote_user = Session::getRemoteContactID($owner_id);
@@ -2654,7 +2720,7 @@ class Item
 	 * @param \Friendica\Core\L10n $l10n
 	 * @return string
 	 */
-	public static function postType(array $item, \Friendica\Core\L10n $l10n)
+	public static function postType(array $item, \Friendica\Core\L10n $l10n): string
 	{
 		if (!empty($item['event-id'])) {
 			return $l10n->t('event');
@@ -2679,7 +2745,7 @@ class Item
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
 	 */
-	public static function putInCache(&$item)
+	private static function putInCache(&$item)
 	{
 		// Save original body to prevent addons to modify it
 		$body = $item['body'];
@@ -2692,8 +2758,6 @@ class Item
 			|| $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
 			|| DI::config()->get('system', 'ignore_cache')
 		) {
-			self::addRedirToImageTags($item);
-
 			$item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
 			$item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
 
@@ -2718,38 +2782,14 @@ class Item
 		$item['body'] = $body;
 	}
 
-	/**
-	 * Find any non-embedded images in private items and add redir links to them
-	 *
-	 * @param array &$item The field array of an item row
-	 */
-	private static function addRedirToImageTags(array &$item)
-	{
-		$app = DI::app();
-
-		$matches = [];
-		$cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
-		if ($cnt) {
-			foreach ($matches as $mtch) {
-				if (strpos($mtch[1], '/redir') !== false) {
-					continue;
-				}
-
-				if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->getContactId()) && ($item['network'] == Protocol::DFRN)) {
-					$img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
-					$item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
-				}
-			}
-		}
-	}
-
 	/**
 	 * Given an item array, convert the body element from bbcode to html and add smilie icons.
 	 * If attach is true, also add icons for item attachments.
 	 *
-	 * @param array   $item
-	 * @param boolean $attach
-	 * @param boolean $is_preview
+	 * @param array   $item Record from item table
+	 * @param boolean $attach If true, add icons for item attachments as well
+	 * @param boolean $is_preview Whether this is a preview
+	 * @param boolean $only_cache Whether only cached HTML should be updated
 	 * @return string item body html
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
@@ -2758,7 +2798,7 @@ class Item
 	 * @hook  prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
 	 * @hook  prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
 	 */
-	public static function prepareBody(array &$item, $attach = false, $is_preview = false)
+	public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
 	{
 		$a = DI::app();
 		Hook::callAll('prepare_body_init', $item);
@@ -2779,10 +2819,10 @@ class Item
 		$body = $item['body'] ?? '';
 		$shared = BBCode::fetchShareAttributes($body);
 		if (!empty($shared['guid'])) {
-			$shared_item = Post::selectFirst(['uri-id', 'plink'], ['guid' => $shared['guid']]);
+			$shared_item = Post::selectFirst(['uri-id', 'plink', 'has-media'], ['guid' => $shared['guid']]);
 			$shared_uri_id = $shared_item['uri-id'] ?? 0;
 			$shared_links = [strtolower($shared_item['plink'] ?? '')];
-			$shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid']);
+			$shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid'], [], $shared_item['has-media'] ?? false);
 			$shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
 			$shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
 			$shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
@@ -2791,7 +2831,8 @@ class Item
 			$shared_uri_id = 0;
 			$shared_links = [];
 		}
-		$attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
+
+		$attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links, $item['has-media'] ?? false);
 		$item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
 
 		$item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
@@ -2799,6 +2840,10 @@ class Item
 		$item['body'] = $body;
 		$s = $item["rendered-html"];
 
+		if ($only_cache) {
+			return '';
+		}
+
 		// Compile eventual content filter reasons
 		$filter_reasons = [];
 		if (!$is_preview && public_contact() != $item['author-id']) {
@@ -2844,6 +2889,7 @@ class Item
 		$s = self::addVisualAttachments($attachments, $item, $s, false);
 		$s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
 		$s = self::addNonVisualAttachments($attachments, $item, $s, false);
+		$s = self::addQuestions($item, $s);
 
 		// Map.
 		if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
@@ -2875,7 +2921,7 @@ class Item
 	 * @param int    $type
 	 * @return bool
 	 */
-	public static function containsLink(string $body, string $url, int $type = 0)
+	public static function containsLink(string $body, string $url, int $type = 0): bool
 	{
 		// Make sure that for example site parameters aren't used when testing if the link is contained in the body
 		$urlparts = parse_url($url);
@@ -2908,15 +2954,23 @@ class Item
 	 * @param string $body
 	 * @return string modified body
 	 */
-	private static function replaceVisualAttachments(array $attachments, string $body)
+	private static function replaceVisualAttachments(array $attachments, string $body): string
 	{
 		DI::profiler()->startRecording('rendering');
 
 		foreach ($attachments['visual'] as $attachment) {
 			if (!empty($attachment['preview'])) {
-				$body = str_replace($attachment['preview'], Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE), $body);
+				$proxy   = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
+				$search  = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
+				$replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
+
+				$body = str_replace($search, $replace, $body);
 			} elseif ($attachment['filetype'] == 'image') {
-				$body = str_replace($attachment['url'], Post\Media::getUrlForId($attachment['id']), $body);
+				$proxy   = Post\Media::getUrlForId($attachment['id']);
+				$search  = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
+				$replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
+
+				$body = str_replace($search, $replace, $body);
 			}
 		}
 		DI::profiler()->stopRecording();
@@ -2931,7 +2985,7 @@ class Item
 	 * @param string $content
 	 * @return string modified content
 	 */
-	private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared)
+	private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
 	{
 		DI::profiler()->startRecording('rendering');
 		$leading = '';
@@ -3023,7 +3077,7 @@ class Item
 	 * @param array  $ignore_links A list of URLs to ignore
 	 * @return string modified content
 	 */
-	private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links)
+	private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
 	{
 		DI::profiler()->startRecording('rendering');
 		// Don't show a preview when there is a visual attachment (audio or video)
@@ -3137,7 +3191,7 @@ class Item
 	 * @param string $content
 	 * @return string modified content
 	 */
-	private static function addNonVisualAttachments(array $attachments, array $item, string $content)
+	private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
 	{
 		DI::profiler()->startRecording('rendering');
 		$trailing = '';
@@ -3169,6 +3223,50 @@ class Item
 		return $content;
 	}
 
+	private static function addQuestions(array $item, string $content): string
+	{
+		DI::profiler()->startRecording('rendering');
+		if (!empty($item['question-id'])) {
+			$question = [
+				'id'       => $item['question-id'],
+				'multiple' => $item['question-multiple'],
+				'voters'   => $item['question-voters'],
+				'endtime'  => $item['question-end-time']
+			];
+
+			$options = Post\QuestionOption::getByURIId($item['uri-id']);
+			foreach ($options as $key => $option) {
+				$percent = $question['voters'] ? ($option['replies'] / $question['voters'] * 100) : 0;
+
+				$options[$key]['percent'] = $percent;
+
+				if ($question['voters'] > 0) {
+					$options[$key]['vote'] = DI::l10n()->t('%s (%d%s, %d votes)', $option['name'], round($percent, 1), '%', $option['replies']);
+				} else {
+					$options[$key]['vote'] = DI::l10n()->t('%s (%d votes)', $option['name'], $option['replies']);
+				}
+			}
+
+			if (!empty($question['voters']) && !empty($question['endtime'])) {
+				$summary = DI::l10n()->t('%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
+			} elseif (!empty($question['voters'])) {
+				$summary = DI::l10n()->t('%d voters.', $question['voters']);
+			} elseif (!empty($question['endtime'])) {
+				$summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
+		 	} else {
+				$summary = '';
+			}
+
+			$content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
+				'$question' => $question,
+				'$options'  => $options,
+				'$summary'  => $summary,
+			]);
+	}
+		DI::profiler()->stopRecording();
+		return $content;
+	}
+
 	/**
 	 * get private link for item
 	 *
@@ -3176,8 +3274,14 @@ class Item
 	 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
 	 * @throws \Exception
 	 */
-	public static function getPlink($item)
+	public static function getPlink(array $item)
 	{
+		if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
+			$plink = $item['plink'];
+		} elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
+			$plink = $item['uri'];
+		}
+
 		if (local_user()) {
 			$ret = [
 				'href' => "display/" . $item['guid'],
@@ -3186,14 +3290,20 @@ class Item
 				'orig_title' => DI::l10n()->t('View on separate page'),
 			];
 
-			if (!empty($item['plink'])) {
-				$ret['href'] = DI::baseUrl()->remove($item['plink']);
+			if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
+				$author = ['uid' => 0, 'id' => $item['author-id'],
+					'network' => $item['author-network'], 'url' => $item['author-link']];
+				$plink = Contact::magicLinkByContact($author, $plink);
+			}
+
+			if (!empty($plink)) {
+				$ret['href'] = DI::baseUrl()->remove($plink);
 				$ret['title'] = DI::l10n()->t('Link to source');
 			}
-		} elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
+		} elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
 			$ret = [
-				'href' => $item['plink'],
-				'orig' => $item['plink'],
+				'href' => $plink,
+				'orig' => $plink,
 				'title' => DI::l10n()->t('Link to source'),
 				'orig_title' => DI::l10n()->t('Link to source'),
 			];
@@ -3205,30 +3315,20 @@ class Item
 	}
 
 	/**
-	 * Is the given item array a post that is sent as starting post to a forum?
+	 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
 	 *
-	 * @param array $item
-	 * @param array $owner
+	 * @param int $uri_id
 	 *
 	 * @return boolean "true" when it is a forum post
 	 */
-	public static function isForumPost(array $item, array $owner = [])
+	public static function isForumPost(int $uri_id): bool
 	{
-		if (empty($owner)) {
-			$owner = User::getOwnerDataById($item['uid']);
-			if (empty($owner)) {
-				return false;
+		foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
+			if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
+				return true;
 			}
 		}
-
-		if (($item['author-id'] == $item['owner-id']) ||
-			($owner['id'] == $item['contact-id']) ||
-			($item['uri-id'] != $item['parent-uri-id']) ||
-			$item['origin']) {
-			return false;
-		}
-
-		return Contact::isForum($item['contact-id']);
+		return false;
 	}
 
 	/**
@@ -3239,7 +3339,7 @@ class Item
 	 *
 	 * @return integer item id
 	 */
-	public static function searchByLink($uri, $uid = 0)
+	public static function searchByLink(string $uri, int $uid = 0): int
 	{
 		$ssl_uri = str_replace('http://', 'https://', $uri);
 		$uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
@@ -3264,7 +3364,7 @@ class Item
 	 *
 	 * @return string URI
 	 */
-	public static function getURIByLink(string $uri)
+	public static function getURIByLink(string $uri): string
 	{
 		$ssl_uri = str_replace('http://', 'https://', $uri);
 		$uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
@@ -3290,7 +3390,7 @@ class Item
 	 *
 	 * @return integer item id
 	 */
-	public static function fetchByLink(string $uri, int $uid = 0)
+	public static function fetchByLink(string $uri, int $uid = 0): int
 	{
 		Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
 		$item_id = self::searchByLink($uri, $uid);
@@ -3336,7 +3436,7 @@ class Item
 	 *
 	 * @return array with share information
 	 */
-	public static function getShareArray($item)
+	public static function getShareArray(array $item): array
 	{
 		if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
 			return [];
@@ -3359,7 +3459,7 @@ class Item
 	 *
 	 * @return array item array with data from the original item
 	 */
-	public static function addShareDataFromOriginal(array $item)
+	public static function addShareDataFromOriginal(array $item): array
 	{
 		$shared = self::getShareArray($item);
 		if (empty($shared)) {
@@ -3420,7 +3520,7 @@ class Item
 	 * @return bool
 	 * @throws \Exception
 	 */
-	protected static function isAllowedByUser(array $item, int $user_id)
+	protected static function isAllowedByUser(array $item, int $user_id): bool
 	{
 		if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
 			Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
@@ -3452,7 +3552,7 @@ class Item
 	 * @param array $item
 	 * @return string body
 	 */
-	public static function improveSharedDataInBody(array $item)
+	public static function improveSharedDataInBody(array $item): string
 	{
 		$shared = BBCode::fetchShareAttributes($item['body']);
 		if (empty($shared['link'])) {