]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/DFRN.php
Merge pull request #7184 from annando/add-tag
[friendica.git] / src / Protocol / DFRN.php
index ff50811838e9883b37b1fc3ea5ae9697c02bb2f8..01159b1baeea7c8cfea232462be993b0c78acaa3 100644 (file)
@@ -14,9 +14,8 @@ use Friendica\App;
 use Friendica\Content\OEmbed;
 use Friendica\Content\Text\BBCode;
 use Friendica\Content\Text\HTML;
-use Friendica\Core\Addon;
 use Friendica\Core\Config;
-use Friendica\Core\L10n;
+use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
@@ -26,10 +25,12 @@ use Friendica\Model\Conversation;
 use Friendica\Model\Event;
 use Friendica\Model\GContact;
 use Friendica\Model\Item;
+use Friendica\Model\Mail;
 use Friendica\Model\PermissionSet;
 use Friendica\Model\Profile;
 use Friendica\Model\User;
 use Friendica\Object\Image;
+use Friendica\Util\BaseURL;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
@@ -38,12 +39,6 @@ use Friendica\Util\XML;
 use HTMLPurifier;
 use HTMLPurifier_Config;
 
-require_once 'boot.php';
-require_once 'include/dba.php';
-require_once "include/enotify.php";
-require_once "include/items.php";
-require_once "include/text.php";
-
 /**
  * @brief This class contain functions to create and send DFRN XML files
  */
@@ -63,6 +58,7 @@ class DFRN
         * @param integer $uid User id
         *
         * @return array importer
+        * @throws \Exception
         */
        public static function getImporter($cid, $uid = 0)
        {
@@ -103,7 +99,9 @@ class DFRN
         * @param array $owner Owner record
         *
         * @return string DFRN entries
-        * @todo Find proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Find proper type-hints
         */
        public static function entries($items, $owner)
        {
@@ -123,7 +121,9 @@ class DFRN
                        $item["entry:cid"] = defaults($item, "entry:cid", 0);
 
                        $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
-                       $root->appendChild($entry);
+                       if (isset($entry)) {
+                               $root->appendChild($entry);
+                       }
                }
 
                return trim($doc->saveXML());
@@ -141,10 +141,12 @@ class DFRN
         * @param boolean $onlyheader  Output only the header without content? (Default is "no")
         *
         * @return string DFRN feed entries
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
        {
-               $a = get_app();
+               $a = \get_app();
 
                $sitefeed    = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
                $public_feed = (($dfrn_id) ? false : true);
@@ -178,29 +180,24 @@ class DFRN
 
                if (! DBA::isResult($r)) {
                        Logger::log(sprintf('No contact found for nickname=%d', $owner_nick), Logger::WARNING);
-                       killme();
+                       exit();
                }
 
                $owner = $r[0];
                $owner_id = $owner['uid'];
-               $owner_nick = $owner['nickname'];
 
                $sql_post_table = "";
 
                if (! $public_feed) {
-                       $sql_extra = '';
                        switch ($direction) {
                                case (-1):
                                        $sql_extra = sprintf(" AND `issued-id` = '%s' ", DBA::escape($dfrn_id));
-                                       $my_id = $dfrn_id;
                                        break;
                                case 0:
                                        $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
-                                       $my_id = '1:' . $dfrn_id;
                                        break;
                                case 1:
                                        $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
-                                       $my_id = '0:' . $dfrn_id;
                                        break;
                                default:
                                        return false;
@@ -214,7 +211,7 @@ class DFRN
 
                        if (! DBA::isResult($r)) {
                                Logger::log(sprintf('No contact found for uid=%d', $owner_id), Logger::WARNING);
-                               killme();
+                               exit();
                        }
 
                        $contact = $r[0];
@@ -246,7 +243,6 @@ class DFRN
                                intval(TERM_CATEGORY),
                                intval($owner_id)
                        );
-                       //$sql_extra .= FileTag::fileQuery('item',$category,'category');
                }
 
                if ($public_feed && ! $converse) {
@@ -260,7 +256,7 @@ class DFRN
                        FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
                        STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
                        WHERE `item`.`uid` = %d AND `item`.`wall` AND `item`.`changed` > '%s'
-                       $sql_extra
+                       AND `item`.`visible` $sql_extra
                        ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
                        intval($owner_id),
                        DBA::escape($check_date),
@@ -302,12 +298,12 @@ class DFRN
                $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
 
                /// @TODO This hook can't work anymore
-               //      Addon::callHooks('atom_feed', $atom);
+               //      \Friendica\Core\Hook::callAll('atom_feed', $atom);
 
                if (!DBA::isResult($items) || $onlyheader) {
                        $atom = trim($doc->saveXML());
 
-                       Addon::callHooks('atom_feed_end', $atom);
+                       Hook::callAll('atom_feed_end', $atom);
 
                        return $atom;
                }
@@ -331,12 +327,14 @@ class DFRN
                        }
 
                        $entry = self::entry($doc, $type, $item, $owner, true);
-                       $root->appendChild($entry);
+                       if (isset($entry)) {
+                               $root->appendChild($entry);
+                       }
                }
 
                $atom = trim($doc->saveXML());
 
-               Addon::callHooks('atom_feed_end', $atom);
+               Hook::callAll('atom_feed_end', $atom);
 
                return $atom;
        }
@@ -348,6 +346,8 @@ class DFRN
         * @param boolean $conversation Show the conversation. If false show the single post.
         *
         * @return string DFRN feed entry
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function itemFeed($item_id, $conversation = false)
        {
@@ -360,7 +360,7 @@ class DFRN
                $ret = Item::select(Item::DELIVER_FIELDLIST, $condition);
                $items = Item::inArray($ret);
                if (!DBA::isResult($items)) {
-                       killme();
+                       return '';
                }
 
                $item = $items[0];
@@ -368,7 +368,7 @@ class DFRN
                if ($item['uid'] != 0) {
                        $owner = User::getOwnerDataById($item['uid']);
                        if (!$owner) {
-                               killme();
+                               return '';
                        }
                } else {
                        $owner = ['uid' => 0, 'nick' => 'feed-item'];
@@ -396,10 +396,12 @@ class DFRN
 
                        foreach ($items as $item) {
                                $entry = self::entry($doc, $type, $item, $owner, true, 0);
-                               $root->appendChild($entry);
+                               if (isset($entry)) {
+                                       $root->appendChild($entry);
+                               }
                        }
                } else {
-                       $root = self::entry($doc, $type, $item, $owner, true, 0, true);
+                       self::entry($doc, $type, $item, $owner, true, 0, true);
                }
 
                $atom = trim($doc->saveXML());
@@ -413,7 +415,8 @@ class DFRN
         * @param array $owner Owner record
         *
         * @return string DFRN mail
-        * @todo Find proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
        public static function mail($item, $owner)
        {
@@ -449,7 +452,8 @@ class DFRN
         * @param array $owner Owner record
         *
         * @return string DFRN suggestions
-        * @todo Find proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
        public static function fsuggest($item, $owner)
        {
@@ -478,7 +482,8 @@ class DFRN
         * @param int   $uid   User ID
         *
         * @return string DFRN relocations
-        * @todo Find proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
        public static function relocate($owner, $uid)
        {
@@ -532,16 +537,17 @@ class DFRN
        /**
         * @brief Adds the header elements for the DFRN protocol
         *
-        * @param object $doc           XML document
-        * @param array  $owner         Owner record
-        * @param string $authorelement Element name for the author
-        * @param string $alternatelink link to profile or category
-        * @param bool   $public        Is it a header for public posts?
+        * @param DOMDocument $doc           XML document
+        * @param array       $owner         Owner record
+        * @param string      $authorelement Element name for the author
+        * @param string      $alternatelink link to profile or category
+        * @param bool        $public        Is it a header for public posts?
         *
         * @return object XML root object
-        * @todo Find proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
-       private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
+       private static function addHeader(DOMDocument $doc, $owner, $authorelement, $alternatelink = "", $public = false)
        {
 
                if ($alternatelink == "") {
@@ -589,14 +595,14 @@ class DFRN
                }
 
                // For backward compatibility we keep this element
-               if ($owner['page-flags'] == Contact::PAGE_COMMUNITY) {
+               if ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) {
                        XML::addElement($doc, $root, "dfrn:community", 1);
                }
 
                // The former element is replaced by this one
                XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
 
-               /// @todo We need a way to transmit the different page flags like "Contact::PAGE_PRVGROUP"
+               /// @todo We need a way to transmit the different page flags like "User::PAGE_FLAGS_PRVGROUP"
 
                XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
 
@@ -609,15 +615,16 @@ class DFRN
        /**
         * @brief Adds the author element in the header for the DFRN protocol
         *
-        * @param object  $doc           XML document
-        * @param array   $owner         Owner record
-        * @param string  $authorelement Element name for the author
-        * @param boolean $public        boolean
+        * @param DOMDocument $doc           XML document
+        * @param array       $owner         Owner record
+        * @param string      $authorelement Element name for the author
+        * @param boolean     $public        boolean
         *
-        * @return object XML author object
-        * @todo Find proper type-hints
+        * @return \DOMElement XML author object
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
-       private static function addAuthor($doc, $owner, $authorelement, $public)
+       private static function addAuthor(DOMDocument $doc, array $owner, $authorelement, $public)
        {
                // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
                $r = q(
@@ -690,7 +697,7 @@ class DFRN
                        XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
                        XML::addElement($doc, $author, "poco:updated", $namdate);
 
-                       if (trim($profile["dob"]) > '0001-01-01') {
+                       if (trim($profile["dob"]) > DBA::NULL_DATE) {
                                XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
                        }
 
@@ -753,41 +760,44 @@ class DFRN
        /**
         * @brief Adds the author elements in the "entry" elements of the DFRN protocol
         *
-        * @param object $doc         XML document
+        * @param DOMDocument $doc         XML document
         * @param string $element     Element name for the author
         * @param string $contact_url Link of the contact
         * @param array  $item        Item elements
         *
-        * @return object XML author object
-        * @todo Find proper type-hints
+        * @return \DOMElement XML author object
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
-       private static function addEntryAuthor($doc, $element, $contact_url, $item)
+       private static function addEntryAuthor(DOMDocument $doc, $element, $contact_url, $item)
        {
-               $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
-
                $author = $doc->createElement($element);
-               XML::addElement($doc, $author, "name", $contact["name"]);
-               XML::addElement($doc, $author, "uri", $contact["url"]);
-               XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
 
-               /// @Todo
-               /// - Check real image type and image size
-               /// - Check which of these boths elements we should use
-               $attributes = [
+               $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
+               if (!empty($contact)) {
+                       XML::addElement($doc, $author, "name", $contact["name"]);
+                       XML::addElement($doc, $author, "uri", $contact["url"]);
+                       XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
+
+                       /// @Todo
+                       /// - Check real image type and image size
+                       /// - Check which of these boths elements we should use
+                       $attributes = [
                                "rel" => "photo",
                                "type" => "image/jpeg",
                                "media:width" => 80,
                                "media:height" => 80,
                                "href" => $contact["photo"]];
-               XML::addElement($doc, $author, "link", "", $attributes);
+                       XML::addElement($doc, $author, "link", "", $attributes);
 
-               $attributes = [
+                       $attributes = [
                                "rel" => "avatar",
                                "type" => "image/jpeg",
                                "media:width" => 80,
                                "media:height" => 80,
                                "href" => $contact["photo"]];
-               XML::addElement($doc, $author, "link", "", $attributes);
+                       XML::addElement($doc, $author, "link", "", $attributes);
+               }
 
                return $author;
        }
@@ -795,14 +805,15 @@ class DFRN
        /**
         * @brief Adds the activity elements
         *
-        * @param object $doc      XML document
-        * @param string $element  Element name for the activity
-        * @param string $activity activity value
+        * @param DOMDocument $doc      XML document
+        * @param string      $element  Element name for the activity
+        * @param string      $activity activity value
         *
-        * @return object XML activity object
-        * @todo Find proper type-hints
+        * @return \DOMElement XML activity object
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find proper type-hints
         */
-       private static function createActivity($doc, $element, $activity)
+       private static function createActivity(DOMDocument $doc, $element, $activity)
        {
                if ($activity) {
                        $entry = $doc->createElement($element);
@@ -865,8 +876,8 @@ class DFRN
         * @param object $root XML root
         * @param array  $item Item element
         *
-        * @return object XML attachment object
-        * @todo Find proper type-hints
+        * @return void XML attachment object
+        * @todo  Find proper type-hints
         */
        private static function getAttachment($doc, $root, $item)
        {
@@ -897,23 +908,26 @@ class DFRN
        /**
         * @brief Adds the "entry" elements for the DFRN protocol
         *
-        * @param object $doc     XML document
-        * @param string $type    "text" or "html"
-        * @param array  $item    Item element
-        * @param array  $owner   Owner record
-        * @param bool   $comment Trigger the sending of the "comment" element
-        * @param int    $cid     Contact ID of the recipient
-        * @param bool   $single  If set, the entry is created as an XML document with a single "entry" element
+        * @param DOMDocument $doc     XML document
+        * @param string      $type    "text" or "html"
+        * @param array       $item    Item element
+        * @param array       $owner   Owner record
+        * @param bool        $comment Trigger the sending of the "comment" element
+        * @param int         $cid     Contact ID of the recipient
+        * @param bool        $single  If set, the entry is created as an XML document with a single "entry" element
         *
-        * @return object XML entry object
-        * @todo Find proper type-hints
+        * @return null|\DOMElement XML entry object
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Find proper type-hints
         */
-       private static function entry($doc, $type, array $item, array $owner, $comment = false, $cid = 0, $single = false)
+       private static function entry(DOMDocument $doc, $type, array $item, array $owner, $comment = false, $cid = 0, $single = false)
        {
                $mentioned = [];
 
                if (!$item['parent']) {
-                       return;
+                       Logger::notice('Item without parent found.', ['type' => $type, 'item' => $item]);
+                       return null;
                }
 
                if ($item['deleted']) {
@@ -974,7 +988,7 @@ class DFRN
                }
 
                // Add conversation data. This is used for OStatus
-               $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
+               $conversation_href = System::baseUrl()."/display/".$item["parent-guid"];
                $conversation_uri = $conversation_href;
 
                if (isset($parent_item)) {
@@ -1162,13 +1176,14 @@ class DFRN
         * @param string $atom     Content that will be transmitted
         * @param bool   $dissolve (to be documented)
         *
+        * @param bool   $legacy_transport
         * @return int Deliver status. Negative values mean an error.
-        * @todo Add array type-hint for $owner, $contact
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Add array type-hint for $owner, $contact
         */
        public static function deliver($owner, $contact, $atom, $dissolve = false, $legacy_transport = false)
        {
-               $a = get_app();
-
                // At first try the Diaspora transport layer
                if (!$dissolve && !$legacy_transport) {
                        $curlResult = self::transmit($owner, $contact, $atom);
@@ -1193,16 +1208,15 @@ class DFRN
                Logger::log("Local rino version: ". $rino, Logger::DEBUG);
 
                $ssl_val = intval(Config::get('system', 'ssl_policy'));
-               $ssl_policy = '';
 
                switch ($ssl_val) {
-                       case SSL_POLICY_FULL:
+                       case BaseURL::SSL_POLICY_FULL:
                                $ssl_policy = 'full';
                                break;
-                       case SSL_POLICY_SELFSIGN:
+                       case BaseURL::SSL_POLICY_SELFSIGN:
                                $ssl_policy = 'self';
                                break;
-                       case SSL_POLICY_NONE:
+                       case BaseURL::SSL_POLICY_NONE:
                        default:
                                $ssl_policy = 'none';
                                break;
@@ -1261,11 +1275,11 @@ class DFRN
                $perm         = (($res->perm) ? $res->perm : null);
                $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
                $rino_remote_version = intval($res->rino);
-               $page         = (($owner['page-flags'] == Contact::PAGE_COMMUNITY) ? 1 : 0);
+               $page         = (($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? 1 : 0);
 
                Logger::log("Remote rino version: ".$rino_remote_version." for ".$contact["url"], Logger::DEBUG);
 
-               if ($owner['page-flags'] == Contact::PAGE_PRVGROUP) {
+               if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
                        $page = 2;
                }
 
@@ -1282,7 +1296,7 @@ class DFRN
                }
 
                if (($contact['duplex'] && strlen($contact['pubkey']))
-                       || ($owner['page-flags'] == Contact::PAGE_COMMUNITY && strlen($contact['pubkey']))
+                       || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
                        || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
                ) {
                        openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
@@ -1311,7 +1325,7 @@ class DFRN
                        $postvars['dissolve'] = '1';
                }
 
-               if ((($contact['rel']) && ($contact['rel'] != Contact::SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == Contact::PAGE_COMMUNITY)) {
+               if ((($contact['rel']) && ($contact['rel'] != Contact::SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
                        $postvars['data'] = $atom;
                        $postvars['perm'] = 'rw';
                } else {
@@ -1346,7 +1360,7 @@ class DFRN
 
                        if ($dfrn_version >= 2.1) {
                                if (($contact['duplex'] && strlen($contact['pubkey']))
-                                       || ($owner['page-flags'] == Contact::PAGE_COMMUNITY && strlen($contact['pubkey']))
+                                       || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
                                        || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
                                ) {
                                        openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
@@ -1354,7 +1368,7 @@ class DFRN
                                        openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
                                }
                        } else {
-                               if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == Contact::PAGE_COMMUNITY)) {
+                               if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
                                        openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
                                } else {
                                        openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
@@ -1419,16 +1433,17 @@ class DFRN
        /**
         * @brief Transmits atom content to the contacts via the Diaspora transport layer
         *
-        * @param array  $owner    Owner record
-        * @param array  $contact  Contact record of the receiver
-        * @param string $atom     Content that will be transmitted
+        * @param array  $owner   Owner record
+        * @param array  $contact Contact record of the receiver
+        * @param string $atom    Content that will be transmitted
         *
+        * @param bool   $public_batch
         * @return int Deliver status. Negative values mean an error.
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function transmit($owner, $contact, $atom, $public_batch = false)
        {
-               $a = get_app();
-
                if (!$public_batch) {
                        if (empty($contact['addr'])) {
                                Logger::log('Empty contact handle for ' . $contact['id'] . ' - ' . $contact['url'] . ' - trying to update it.');
@@ -1510,43 +1525,6 @@ class DFRN
                return intval($res->status);
        }
 
-       /**
-        * @brief Add new birthday event for this person
-        *
-        * @param array  $contact  Contact record
-        * @param string $birthday Birthday of the contact
-        * @return void
-        * @todo Add array type-hint for $contact
-        */
-       private static function birthdayEvent($contact, $birthday)
-       {
-               // Check for duplicates
-               $condition = ['uid' => $contact['uid'], 'cid' => $contact['id'],
-                       'start' => DateTimeFormat::utc($birthday), 'type' => 'birthday'];
-               if (DBA::exists('event', $condition)) {
-                       return;
-               }
-
-               Logger::log('updating birthday: ' . $birthday . ' for contact ' . $contact['id']);
-
-               $bdtext = L10n::t('%s\'s birthday', $contact['name']);
-               $bdtext2 = L10n::t('Happy Birthday %s', ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]');
-
-               $r = q(
-                       "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
-                       VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
-                       intval($contact['uid']),
-                       intval($contact['id']),
-                       DBA::escape(DateTimeFormat::utcNow()),
-                       DBA::escape(DateTimeFormat::utcNow()),
-                       DBA::escape(DateTimeFormat::utc($birthday)),
-                       DBA::escape(DateTimeFormat::utc($birthday . ' + 1 day ')),
-                       DBA::escape($bdtext),
-                       DBA::escape($bdtext2),
-                       DBA::escape('birthday')
-               );
-       }
-
        /**
         * @brief Fetch the author data from head or entry items
         *
@@ -1558,7 +1536,9 @@ class DFRN
         * @param string $xml       optional, default empty
         *
         * @return array Relevant data of the author
-        * @todo Find good type-hints for all parameter
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Find good type-hints for all parameter
         */
        private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
        {
@@ -1577,7 +1557,7 @@ class DFRN
                        $author["network"] = $contact_old["network"];
                } else {
                        if (!$onlyfetch) {
-                               Logger::log("Contact ".$author["link"]." wasn't found for user ".$importer["importer_uid"]." XML: ".$xml, Logger::DEBUG);
+                               Logger::debug("Contact ".$author["link"]." wasn't found for user ".$importer["importer_uid"]." XML: ".$xml);
                        }
 
                        $author["contact-unknown"] = true;
@@ -1627,6 +1607,7 @@ class DFRN
 
                if (empty($author['avatar'])) {
                        Logger::log('Empty author: ' . $xml);
+                       $author['avatar'] = '';
                }
 
                if (DBA::isResult($contact_old) && !$onlyfetch) {
@@ -1722,13 +1703,12 @@ class DFRN
                        // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
                        $value = XML::getFirstNodeValue($xpath, $element . "/poco:birthday/text()", $context);
 
-                       if (!in_array($value, ["", "0000-00-00", "0001-01-01"])) {
+                       if (!in_array($value, ["", "0000-00-00", DBA::NULL_DATE])) {
                                $bdyear = date("Y");
-                               $value = str_replace("0000", $bdyear, $value);
+                               $value = str_replace(["0000", "0001"], $bdyear, $value);
 
                                if (strtotime($value) < time()) {
                                        $value = str_replace($bdyear, $bdyear + 1, $value);
-                                       $bdyear = $bdyear + 1;
                                }
 
                                $poco["bd"] = $value;
@@ -1737,7 +1717,7 @@ class DFRN
                        $contact = array_merge($contact_old, $poco);
 
                        if ($contact_old["bdyear"] != $contact["bdyear"]) {
-                               self::birthdayEvent($contact, $birthday);
+                               Event::createBirthday($contact, $birthday);
                        }
 
                        // Get all field names
@@ -1879,13 +1859,13 @@ class DFRN
         * @param object $mail     mail elements
         * @param array  $importer Record of the importer user mixed with contact of the content
         * @return void
-        * @todo Find good type-hints for all parameter
+        * @throws \Exception
+        * @todo  Find good type-hints for all parameter
         */
        private static function processMail($xpath, $mail, $importer)
        {
                Logger::log("Processing mails");
 
-               /// @TODO Rewrite this to one statement
                $msg = [];
                $msg["uid"] = $importer["importer_uid"];
                $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
@@ -1897,33 +1877,8 @@ class DFRN
                $msg["created"] = DateTimeFormat::utc($xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue);
                $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
                $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
-               $msg["seen"] = 0;
-               $msg["replied"] = 0;
-
-               DBA::insert('mail', $msg);
-
-               $msg["id"] = DBA::lastInsertId();
-
-               // send notifications.
-               /// @TODO Arange this mess
-               $notif_params = [
-                       "type" => NOTIFY_MAIL,
-                       "notify_flags" => $importer["notify-flags"],
-                       "language" => $importer["language"],
-                       "to_name" => $importer["username"],
-                       "to_email" => $importer["email"],
-                       "uid" => $importer["importer_uid"],
-                       "item" => $msg,
-                       "source_name" => $msg["from-name"],
-                       "source_link" => $importer["url"],
-                       "source_photo" => $importer["thumb"],
-                       "verb" => ACTIVITY_POST,
-                       "otype" => "mail"
-               ];
-
-               notification($notif_params);
-
-               Logger::log("Mail is processed, notification was sent.");
+
+               Mail::insert($msg);
        }
 
        /**
@@ -1933,23 +1888,22 @@ class DFRN
         * @param object $suggestion suggestion elements
         * @param array  $importer   Record of the importer user mixed with contact of the content
         * @return boolean
-        * @todo Find good type-hints for all parameter
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  Find good type-hints for all parameter
         */
        private static function processSuggestion($xpath, $suggestion, $importer)
        {
-               $a = get_app();
-
-               Logger::log("Processing suggestions");
+               Logger::log('Processing suggestions');
 
                /// @TODO Rewrite this to one statement
                $suggest = [];
-               $suggest["uid"] = $importer["importer_uid"];
-               $suggest["cid"] = $importer["id"];
-               $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
-               $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
-               $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
-               $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
-               $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
+               $suggest['uid'] = $importer['importer_uid'];
+               $suggest['cid'] = $importer['id'];
+               $suggest['url'] = $xpath->query('dfrn:url/text()', $suggestion)->item(0)->nodeValue;
+               $suggest['name'] = $xpath->query('dfrn:name/text()', $suggestion)->item(0)->nodeValue;
+               $suggest['photo'] = $xpath->query('dfrn:photo/text()', $suggestion)->item(0)->nodeValue;
+               $suggest['request'] = $xpath->query('dfrn:request/text()', $suggestion)->item(0)->nodeValue;
+               $suggest['body'] = $xpath->query('dfrn:note/text()', $suggestion)->item(0)->nodeValue;
 
                // Does our member already have a friend matching this description?
 
@@ -1960,22 +1914,19 @@ class DFRN
                 *
                 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
                 */
-               $condition = ['name' => $suggest["name"], 'nurl' => Strings::normaliseLink($suggest["url"]),
-                       'uid' => $suggest["uid"]];
+               $condition = ['nurl' => Strings::normaliseLink($suggest['url']), 'uid' => $suggest['uid']];
                if (DBA::exists('contact', $condition)) {
                        return false;
                }
-
                // Do we already have an fcontact record for this person?
 
                $fid = 0;
-               $condition = ['url' => $suggest["url"], 'name' => $suggest["name"], 'request' => $suggest["request"]];
-               $fcontact = DBA::selectFirst('fcontact', ['id'], $condition);
+               $fcontact = DBA::selectFirst('fcontact', ['id'], ['url' => $suggest['url']]);
                if (DBA::isResult($fcontact)) {
-                       $fid = $fcontact["id"];
+                       $fid = $fcontact['id'];
 
                        // OK, we do. Do we already have an introduction for this person?
-                       if (DBA::exists('intro', ['uid' => $suggest["uid"], 'fid' => $fid])) {
+                       if (DBA::exists('intro', ['uid' => $suggest['uid'], 'fid' => $fid])) {
                                /*
                                 * The valid result means the friend we're about to send a friend
                                 * suggestion already has them in their contact, which means no further
@@ -1986,59 +1937,44 @@ class DFRN
                                return false;
                        }
                }
+
                if (!$fid) {
-                       $r = q(
-                               "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
-                               DBA::escape($suggest["name"]),
-                               DBA::escape($suggest["url"]),
-                               DBA::escape($suggest["photo"]),
-                               DBA::escape($suggest["request"])
-                       );
+                       $fields = ['name' => $suggest['name'], 'url' => $suggest['url'],
+                               'photo' => $suggest['photo'], 'request' => $suggest['request']];
+                       DBA::insert('fcontact', $fields);
+                       $fid = DBA::lastInsertId();
                }
 
-               $condition = ['url' => $suggest["url"], 'name' => $suggest["name"], 'request' => $suggest["request"]];
-               $fcontact = DBA::selectFirst('fcontact', ['id'], $condition);
-
                /*
                 * If no record in fcontact is found, below INSERT statement will not
                 * link an introduction to it.
                 */
-               if (!DBA::isResult($fcontact)) {
+               if (empty($fid)) {
                        // Database record did not get created. Quietly give up.
-                       killme();
+                       exit();
                }
 
-               $fid = $r[0]["id"];
-
                $hash = Strings::getRandomHex();
 
-               $r = q(
-                       "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
-                       VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
-                       intval($suggest["uid"]),
-                       intval($fid),
-                       intval($suggest["cid"]),
-                       DBA::escape($suggest["body"]),
-                       DBA::escape($hash),
-                       DBA::escape(DateTimeFormat::utcNow()),
-                       intval(0)
-               );
+               $fields = ['uid' => $suggest['uid'], 'fid' => $fid, 'contact-id' => $suggest['cid'],
+                       'note' => $suggest['body'], 'hash' => $hash, 'datetime' => DateTimeFormat::utcNow(), 'blocked' => false];
+               DBA::insert('intro', $fields);
 
                notification(
                        [
-                               "type"         => NOTIFY_SUGGEST,
-                               "notify_flags" => $importer["notify-flags"],
-                               "language"     => $importer["language"],
-                               "to_name"      => $importer["username"],
-                               "to_email"     => $importer["email"],
-                               "uid"          => $importer["importer_uid"],
-                               "item"         => $suggest,
-                               "link"         => System::baseUrl()."/notifications/intros",
-                               "source_name"  => $importer["name"],
-                               "source_link"  => $importer["url"],
-                               "source_photo" => $importer["photo"],
-                               "verb"         => ACTIVITY_REQ_FRIEND,
-                               "otype"        => "intro"]
+                               'type'         => NOTIFY_SUGGEST,
+                               'notify_flags' => $importer['notify-flags'],
+                               'language'     => $importer['language'],
+                               'to_name'      => $importer['username'],
+                               'to_email'     => $importer['email'],
+                               'uid'          => $importer['importer_uid'],
+                               'item'         => $suggest,
+                               'link'         => System::baseUrl().'/notifications/intros',
+                               'source_name'  => $importer['name'],
+                               'source_link'  => $importer['url'],
+                               'source_photo' => $importer['photo'],
+                               'verb'         => ACTIVITY_REQ_FRIEND,
+                               'otype'        => 'intro']
                );
 
                return true;
@@ -2051,7 +1987,9 @@ class DFRN
         * @param object $relocation relocation elements
         * @param array  $importer   Record of the importer user mixed with contact of the content
         * @return boolean
-        * @todo Find good type-hints for all parameter
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Find good type-hints for all parameter
         */
        private static function processRelocation($xpath, $relocation, $importer)
        {
@@ -2135,7 +2073,8 @@ class DFRN
         * @param array $importer  Record of the importer user mixed with contact of the content
         * @param int   $entrytype Is it a toplevel entry, a comment or a relayed comment?
         * @return mixed
-        * @todo set proper type-hints (array?)
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  set proper type-hints (array?)
         */
        private static function updateContent($current, $item, $importer, $entrytype)
        {
@@ -2166,14 +2105,15 @@ class DFRN
         * @param array $item     the new item record
         *
         * @return int Is it a toplevel entry, a comment or a relayed comment?
-        * @todo set proper type-hints (array?)
+        * @throws \Exception
+        * @todo  set proper type-hints (array?)
         */
        private static function getEntryType($importer, $item)
        {
                if ($item["parent-uri"] != $item["uri"]) {
                        $community = false;
 
-                       if ($importer["page-flags"] == Contact::PAGE_COMMUNITY || $importer["page-flags"] == Contact::PAGE_PRVGROUP) {
+                       if ($importer["page-flags"] == User::PAGE_FLAGS_COMMUNITY || $importer["page-flags"] == User::PAGE_FLAGS_PRVGROUP) {
                                $sql_extra = "";
                                $community = true;
                                Logger::log("possible community action");
@@ -2229,13 +2169,13 @@ class DFRN
        /**
         * @brief Send a "poke"
         *
-        * @param array $item      the new item record
+        * @param array $item      The new item record
         * @param array $importer  Record of the importer user mixed with contact of the content
-        * @param int   $posted_id The record number of item record that was just posted
         * @return void
-        * @todo set proper type-hints (array?)
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  set proper type-hints (array?)
         */
-       private static function doPoke($item, $importer, $posted_id)
+       private static function doPoke(array $item, array $importer)
        {
                $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
                if (!$verb) {
@@ -2245,6 +2185,7 @@ class DFRN
 
                if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
                        // somebody was poked/prodded. Was it me?
+                       $Blink = '';
                        foreach ($xo->link as $l) {
                                $atts = $l->attributes();
                                switch ($atts["rel"]) {
@@ -2259,8 +2200,6 @@ class DFRN
                        if ($Blink && Strings::compareLink($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
                                $author = DBA::selectFirst('contact', ['name', 'thumb', 'url'], ['id' => $item['author-id']]);
 
-                               $item['id'] = $posted_id;
-
                                $parent = Item::selectFirst(['id'], ['uri' => $item['parent-uri'], 'uid' => $importer["importer_uid"]]);
                                $item["parent"] = $parent['id'];
 
@@ -2274,7 +2213,7 @@ class DFRN
                                        "to_email"     => $importer["email"],
                                        "uid"          => $importer["importer_uid"],
                                        "item"         => $item,
-                                       "link"         => System::baseUrl()."/display/".urlencode(Item::getGuidById($posted_id)),
+                                       "link"         => System::baseUrl()."/display/".urlencode($item['guid']),
                                        "source_name"  => $author["name"],
                                        "source_link"  => $author["url"],
                                        "source_photo" => $author["thumb"],
@@ -2296,7 +2235,8 @@ class DFRN
         * @param bool  $is_like   Is the verb a "like"?
         *
         * @return bool Should the processing of the entries be continued?
-        * @todo set proper type-hints (array?)
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @todo  set proper type-hints (array?)
         */
        private static function processVerbs($entrytype, $importer, &$item, &$is_like)
        {
@@ -2307,13 +2247,12 @@ class DFRN
                        // The functions below are partly used by ostatus.php as well - where we have this variable
                        $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
                        $contact = $r[0];
-                       $nickname = $contact["nick"];
 
                        // Big question: Do we need these functions? They were part of the "consume_feed" function.
                        // This function once was responsible for DFRN and OStatus.
                        if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
                                Logger::log("New follower");
-                               Contact::addRelationship($importer, $contact, $item, $nickname);
+                               Contact::addRelationship($importer, $contact, $item);
                                return false;
                        }
                        if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
@@ -2323,7 +2262,7 @@ class DFRN
                        }
                        if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
                                Logger::log("New friend request");
-                               Contact::addRelationship($importer, $contact, $item, $nickname, true);
+                               Contact::addRelationship($importer, $contact, $item, true);
                                return false;
                        }
                        if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
@@ -2419,8 +2358,6 @@ class DFRN
                                                $item["plink"] = $href;
                                                break;
                                        case "enclosure":
-                                               $enclosure = $href;
-
                                                if (!empty($item["attach"])) {
                                                        $item["attach"] .= ",";
                                                } else {
@@ -2441,9 +2378,11 @@ class DFRN
         * @param object $xpath    XPath object
         * @param object $entry    entry elements
         * @param array  $importer Record of the importer user mixed with contact of the content
-        * @param object $xml      xml
+        * @param string $xml      xml
         * @return void
-        * @todo Add type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  Add type-hints
         */
        private static function processEntry($header, $xpath, $entry, $importer, $xml)
        {
@@ -2500,7 +2439,7 @@ class DFRN
 
                /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
                if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
-                       $base_url = get_app()->getBaseURL();
+                       $base_url = \get_app()->getBaseURL();
                        $item['body'] = HTML::relToAbs($item['body'], $base_url);
 
                        $item['body'] = HTML::toBBCodeVideo($item['body']);
@@ -2605,8 +2544,6 @@ class DFRN
                        }
                }
 
-               $enclosure = "";
-
                $links = $xpath->query("atom:link", $entry);
                if ($links) {
                        self::parseLinks($links, $item);
@@ -2675,7 +2612,7 @@ class DFRN
                        if (($item["object-type"] == ACTIVITY_OBJ_EVENT) && !$owner_unknown) {
                                Logger::log("Item ".$item["uri"]." seems to contain an event.", Logger::DEBUG);
                                $ev = Event::fromBBCode($item["body"]);
-                               if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
+                               if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
                                        Logger::log("Event in item ".$item["uri"]." was found.", Logger::DEBUG);
                                        $ev["cid"]     = $importer["id"];
                                        $ev["uid"]     = $importer["importer_uid"];
@@ -2722,8 +2659,6 @@ class DFRN
 
                if (in_array($entrytype, [DFRN::REPLY, DFRN::REPLY_RC])) {
                        $posted_id = Item::insert($item);
-                       $parent = 0;
-
                        if ($posted_id) {
                                Logger::log("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, Logger::DEBUG);
 
@@ -2772,7 +2707,8 @@ class DFRN
                        }
 
                        if (stristr($item["verb"], ACTIVITY_POKE)) {
-                               self::doPoke($item, $importer, $posted_id);
+                               $item['id'] = $posted_id;
+                               self::doPoke($item, $importer);
                        }
                }
        }
@@ -2784,7 +2720,8 @@ class DFRN
         * @param object $deletion deletion elements
         * @param array  $importer Record of the importer user mixed with contact of the content
         * @return void
-        * @todo set proper type-hints
+        * @throws \Exception
+        * @todo  set proper type-hints
         */
        private static function processDeletion($xpath, $deletion, $importer)
        {
@@ -2844,7 +2781,9 @@ class DFRN
         * @param array  $importer     Record of the importer user mixed with contact of the content
         * @param bool   $sort_by_date Is used when feeds are polled
         * @return integer Import status
-        * @todo set proper type-hints
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        * @todo  set proper type-hints
         */
        public static function import($xml, $importer, $sort_by_date = false)
        {
@@ -2893,19 +2832,41 @@ class DFRN
 
                // The account type is new since 3.5.1
                if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
+                       // Hint: We are using separate update calls for uid=0 and uid!=0 since a combined call is bad for the database performance
+
                        $accounttype = intval(XML::getFirstNodeValue($xpath, "/atom:feed/dfrn:account_type/text()"));
 
                        if ($accounttype != $importer["contact-type"]) {
-                               DBA::update('contact', ['contact-type' => $accounttype], ['id' => $importer["id"]]);
+                               DBA::update('contact', ['contact-type' => $accounttype], ['id' => $importer['id']]);
+
+                               // Updating the public contact as well
+                               DBA::update('contact', ['contact-type' => $accounttype], ['uid' => 0, 'nurl' => $importer['nurl']]);
                        }
                        // A forum contact can either have set "forum" or "prv" - but not both
-                       if (($accounttype == Contact::ACCOUNT_TYPE_COMMUNITY) && (($forum != $importer["forum"]) || ($forum == $importer["prv"]))) {
-                               $condition = ['(`forum` != ? OR `prv` != ?) AND `id` = ?', $forum, !$forum, $importer["id"]];
+                       if ($accounttype == User::ACCOUNT_TYPE_COMMUNITY) {
+                               // It's a forum, so either set the public or private forum flag
+                               $condition = ['(`forum` != ? OR `prv` != ?) AND `id` = ?', $forum, !$forum, $importer['id']];
+                               DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
+
+                               // Updating the public contact as well
+                               $condition = ['(`forum` != ? OR `prv` != ?) AND `uid` = 0 AND `nurl` = ?', $forum, !$forum, $importer['nurl']];
                                DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
+                       } else {
+                               // It's not a forum, so remove the flags
+                               $condition = ['(`forum` OR `prv`) AND `id` = ?', $importer['id']];
+                               DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
+
+                               // Updating the public contact as well
+                               $condition = ['(`forum` OR `prv`) AND `uid` = 0 AND `nurl` = ?', $importer['nurl']];
+                               DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
                        }
                } elseif ($forum != $importer["forum"]) { // Deprecated since 3.5.1
                        $condition = ['`forum` != ? AND `id` = ?', $forum, $importer["id"]];
                        DBA::update('contact', ['forum' => $forum], $condition);
+
+                       // Updating the public contact as well
+                       $condition = ['`forum` != ? AND `uid` = 0 AND `nurl` = ?', $forum, $importer['nurl']];
+                       DBA::update('contact', ['forum' => $forum], $condition);
                }
 
 
@@ -2959,11 +2920,12 @@ class DFRN
        /**
         * @param App    $a            App
         * @param string $contact_nick contact nickname
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         */
        public static function autoRedir(App $a, $contact_nick)
        {
                // prevent looping
-               if (x($_REQUEST, 'redir') && intval($_REQUEST['redir'])) {
+               if (!empty($_REQUEST['redir'])) {
                        return;
                }
 
@@ -3076,8 +3038,8 @@ class DFRN
                        return false;
                }
 
-               $community_page = ($user['page-flags'] == Contact::PAGE_COMMUNITY);
-               $prvgroup = ($user['page-flags'] == Contact::PAGE_PRVGROUP);
+               $community_page = ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY);
+               $prvgroup = ($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP);
 
                $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
 
@@ -3112,13 +3074,17 @@ class DFRN
         * item is assumed to be up-to-date.  If the timestamps are equal it
         * assumes the update has been seen before and should be ignored.
         *
+        * @param $existing
+        * @param $update
+        * @return bool
+        * @throws \Exception
         */
        private static function isEditedTimestampNewer($existing, $update)
        {
-               if (!x($existing, 'edited') || !$existing['edited']) {
+               if (empty($existing['edited'])) {
                        return true;
                }
-               if (!x($update, 'edited') || !$update['edited']) {
+               if (empty($update['edited'])) {
                        return false;
                }