]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/OStatus.php
Make it simpler
[friendica.git] / src / Protocol / OStatus.php
index 33d251fd6113641de1bdc3022e1b2b926432d9e8..45000d77005e8b8bd6801a80809aab28d52d0182 100644 (file)
@@ -11,7 +11,9 @@ use Friendica\Content\Text\HTML;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
+use Friendica\Core\Logger;
 use Friendica\Core\Lock;
+use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Model\Contact;
@@ -23,6 +25,8 @@ use Friendica\Network\Probe;
 use Friendica\Object\Image;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
+use Friendica\Util\Proxy as ProxyUtils;
+use Friendica\Util\Strings;
 use Friendica\Util\XML;
 
 require_once 'include/dba.php';
@@ -30,7 +34,6 @@ require_once 'include/items.php';
 require_once 'mod/share.php';
 require_once 'include/enotify.php';
 require_once 'include/api.php';
-require_once 'mod/proxy.php';
 
 /**
  * @brief This class contain functions for the OStatus protocol
@@ -73,9 +76,19 @@ class OStatus
                $author["contact-id"] = $contact["id"];
 
                $contact = null;
+
+/*
+               This here would be better, but we would get problems with contacts from the statusnet addon
+               This is kept here as a reminder for the future
+
+               $cid = Contact::getIdForURL($author["author-link"], $importer["uid"]);
+               if ($cid) {
+                       $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
+               }
+*/
                if ($aliaslink != '') {
                        $condition = ["`uid` = ? AND `alias` = ? AND `network` != ? AND `rel` IN (?, ?)",
-                                       $importer["uid"], $aliaslink, NETWORK_STATUSNET,
+                                       $importer["uid"], $aliaslink, Protocol::STATUSNET,
                                        Contact::SHARING, Contact::FRIEND];
                        $contact = DBA::selectFirst('contact', [], $condition);
                }
@@ -86,14 +99,14 @@ class OStatus
                        }
 
                        $condition = ["`uid` = ? AND `nurl` IN (?, ?) AND `network` != ? AND `rel` IN (?, ?)",
-                                       $importer["uid"], normalise_link($author["author-link"]), normalise_link($aliaslink),
-                                       NETWORK_STATUSNET, Contact::SHARING, Contact::FRIEND];
+                                       $importer["uid"], Strings::normaliseLink($author["author-link"]), Strings::normaliseLink($aliaslink),
+                                       Protocol::STATUSNET, Contact::SHARING, Contact::FRIEND];
                        $contact = DBA::selectFirst('contact', [], $condition);
                }
 
                if (!DBA::isResult($contact) && ($addr != '')) {
                        $condition = ["`uid` = ? AND `addr` = ? AND `network` != ? AND `rel` IN (?, ?)",
-                                       $importer["uid"], $addr, NETWORK_STATUSNET,
+                                       $importer["uid"], $addr, Protocol::STATUSNET,
                                        Contact::SHARING, Contact::FRIEND];
                        $contact = DBA::selectFirst('contact', [], $condition);
                }
@@ -135,7 +148,7 @@ class OStatus
                $author["owner-id"] = $author["author-id"];
 
                // Only update the contacts if it is an OStatus contact
-               if (DBA::isResult($contact) && ($contact['id'] > 0) && !$onlyfetch && ($contact["network"] == NETWORK_OSTATUS)) {
+               if (DBA::isResult($contact) && ($contact['id'] > 0) && !$onlyfetch && ($contact["network"] == Protocol::OSTATUS)) {
 
                        // Update contact data
                        $current = $contact;
@@ -152,7 +165,7 @@ class OStatus
                        //      $contact["poll"] = $value;
 
                        $contact['url'] = $author["author-link"];
-                       $contact['nurl'] = normalise_link($contact['url']);
+                       $contact['nurl'] = Strings::normaliseLink($contact['url']);
 
                        $value = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
                        if ($value != "") {
@@ -184,7 +197,7 @@ class OStatus
                        DBA::update('contact', $contact, ['id' => $contact["id"]], $current);
 
                        if (!empty($author["author-avatar"]) && ($author["author-avatar"] != $current['avatar'])) {
-                               logger("Update profile picture for contact ".$contact["id"], LOGGER_DEBUG);
+                               Logger::log("Update profile picture for contact ".$contact["id"], Logger::DEBUG);
                                Contact::updateAvatar($author["author-avatar"], $importer["uid"], $contact["id"]);
                        }
 
@@ -197,7 +210,7 @@ class OStatus
 
                                // Update it with the current values
                                $fields = ['url' => $author["author-link"], 'name' => $contact["name"],
-                                               'nurl' => normalise_link($author["author-link"]),
+                                               'nurl' => Strings::normaliseLink($author["author-link"]),
                                                'nick' => $contact["nick"], 'alias' => $contact["alias"],
                                                'about' => $contact["about"], 'location' => $contact["location"],
                                                'success_update' => DateTimeFormat::utcNow(), 'last-update' => DateTimeFormat::utcNow()];
@@ -218,7 +231,7 @@ class OStatus
                        $gcid = GContact::update($contact);
 
                        GContact::link($gcid, $contact["uid"], $contact["id"]);
-               } else {
+               } elseif ($contact["network"] != Protocol::DFRN) {
                        $contact = null;
                }
 
@@ -311,7 +324,7 @@ class OStatus
                        self::$conv_list = [];
                }
 
-               logger("Import OStatus message", LOGGER_DEBUG);
+               Logger::log('Import OStatus message for user ' . $importer['uid'], Logger::DEBUG);
 
                if ($xml == "") {
                        return false;
@@ -337,7 +350,7 @@ class OStatus
                                foreach ($hub_attributes as $hub_attribute) {
                                        if ($hub_attribute->name == "href") {
                                                $hub = $hub_attribute->textContent;
-                                               logger("Found hub ".$hub, LOGGER_DEBUG);
+                                               Logger::log("Found hub ".$hub, Logger::DEBUG);
                                        }
                                }
                        }
@@ -345,11 +358,15 @@ class OStatus
 
                $header = [];
                $header["uid"] = $importer["uid"];
-               $header["network"] = NETWORK_OSTATUS;
+               $header["network"] = Protocol::OSTATUS;
                $header["wall"] = 0;
                $header["origin"] = 0;
                $header["gravity"] = GRAVITY_COMMENT;
 
+               if (!is_object($doc->firstChild) || empty($doc->firstChild->tagName)) {
+                       return false;
+               }
+
                $first_child = $doc->firstChild->tagName;
 
                if ($first_child == "feed") {
@@ -366,7 +383,7 @@ class OStatus
                        $doc2->formatOutput = true;
                        $xml2 = $doc2->saveXML();
 
-                       $header["protocol"] = PROTOCOL_OSTATUS_SALMON;
+                       $header["protocol"] = Conversation::PARCEL_SALMON;
                        $header["source"] = $xml2;
                } elseif (!$initialize) {
                        return false;
@@ -418,27 +435,27 @@ class OStatus
 
                        if (in_array($item["verb"], [NAMESPACE_OSTATUS."/unfavorite", ACTIVITY_UNFAVORITE])) {
                                // Ignore "Unfavorite" message
-                               logger("Ignore unfavorite message ".print_r($item, true), LOGGER_DEBUG);
+                               Logger::log("Ignore unfavorite message ".print_r($item, true), Logger::DEBUG);
                                continue;
                        }
 
                        // Deletions come with the same uri, so we check for duplicates after processing deletions
                        if (Item::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]])) {
-                               logger('Post with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', LOGGER_DEBUG);
+                               Logger::log('Post with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', Logger::DEBUG);
                                continue;
                        } else {
-                               logger('Processing post with URI '.$item["uri"].' for user '.$importer["uid"].'.', LOGGER_DEBUG);
+                               Logger::log('Processing post with URI '.$item["uri"].' for user '.$importer["uid"].'.', Logger::DEBUG);
                        }
 
                        if ($item["verb"] == ACTIVITY_JOIN) {
                                // ignore "Join" messages
-                               logger("Ignore join message ".print_r($item, true), LOGGER_DEBUG);
+                               Logger::log("Ignore join message ".print_r($item, true), Logger::DEBUG);
                                continue;
                        }
 
                        if ($item["verb"] == "http://mastodon.social/schema/1.0/block") {
                                // ignore mastodon "block" messages
-                               logger("Ignore block message ".print_r($item, true), LOGGER_DEBUG);
+                               Logger::log("Ignore block message ".print_r($item, true), Logger::DEBUG);
                                continue;
                        }
 
@@ -455,7 +472,7 @@ class OStatus
 
                        if ($item["verb"] == ACTIVITY_FAVORITE) {
                                $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
-                               logger("Favorite ".$orig_uri." ".print_r($item, true));
+                               Logger::log("Favorite ".$orig_uri." ".print_r($item, true));
 
                                $item["verb"] = ACTIVITY_LIKE;
                                $item["parent-uri"] = $orig_uri;
@@ -465,7 +482,7 @@ class OStatus
 
                        // http://activitystrea.ms/schema/1.0/rsvp-yes
                        if (!in_array($item["verb"], [ACTIVITY_POST, ACTIVITY_LIKE, ACTIVITY_SHARE])) {
-                               logger("Unhandled verb ".$item["verb"]." ".print_r($item, true), LOGGER_DEBUG);
+                               Logger::log("Unhandled verb ".$item["verb"]." ".print_r($item, true), Logger::DEBUG);
                        }
 
                        self::processPost($xpath, $entry, $item, $importer);
@@ -478,10 +495,10 @@ class OStatus
                                                // If not, then it depends on this setting
                                                $valid = !Config::get('system', 'ostatus_full_threads');
                                                if ($valid) {
-                                                       logger("Item with uri ".self::$itemlist[0]['uri']." will be imported due to the system settings.", LOGGER_DEBUG);
+                                                       Logger::log("Item with uri ".self::$itemlist[0]['uri']." will be imported due to the system settings.", Logger::DEBUG);
                                                }
                                        } else {
-                                               logger("Item with uri ".self::$itemlist[0]['uri']." belongs to a contact (".self::$itemlist[0]['contact-id']."). It will be imported.", LOGGER_DEBUG);
+                                               Logger::log("Item with uri ".self::$itemlist[0]['uri']." belongs to a contact (".self::$itemlist[0]['contact-id']."). It will be imported.", Logger::DEBUG);
                                        }
                                        if ($valid) {
                                                // Never post a thread when the only interaction by our contact was a like
@@ -493,14 +510,14 @@ class OStatus
                                                        }
                                                }
                                                if ($valid) {
-                                                       logger("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.", LOGGER_DEBUG);
+                                                       Logger::log("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.", Logger::DEBUG);
                                                }
                                        }
                                } else {
                                        // But we will only import complete threads
                                        $valid = Item::exists(['uid' => $importer["uid"], 'uri' => self::$itemlist[0]['parent-uri']]);
                                        if ($valid) {
-                                               logger("Item with uri ".self::$itemlist[0]["uri"]." belongs to parent ".self::$itemlist[0]['parent-uri']." of user ".$importer["uid"].". It will be imported.", LOGGER_DEBUG);
+                                               Logger::log("Item with uri ".self::$itemlist[0]["uri"]." belongs to parent ".self::$itemlist[0]['parent-uri']." of user ".$importer["uid"].". It will be imported.", Logger::DEBUG);
                                        }
                                }
 
@@ -517,25 +534,25 @@ class OStatus
                                        foreach (self::$itemlist as $item) {
                                                $found = Item::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]]);
                                                if ($found) {
-                                                       logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.", LOGGER_DEBUG);
+                                                       Logger::log("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.", Logger::DEBUG);
                                                } elseif ($item['contact-id'] < 0) {
-                                                       logger("Item with uri ".$item["uri"]." is from a blocked contact.", LOGGER_DEBUG);
+                                                       Logger::log("Item with uri ".$item["uri"]." is from a blocked contact.", Logger::DEBUG);
                                                } else {
                                                        // We are having duplicated entries. Hopefully this solves it.
                                                        if (Lock::acquire('ostatus_process_item_insert')) {
                                                                $ret = Item::insert($item);
                                                                Lock::release('ostatus_process_item_insert');
-                                                               logger("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
+                                                               Logger::log("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
                                                        } else {
                                                                $ret = Item::insert($item);
-                                                               logger("We couldn't lock - but tried to store the item anyway. Return value is ".$ret);
+                                                               Logger::log("We couldn't lock - but tried to store the item anyway. Return value is ".$ret);
                                                        }
                                                }
                                        }
                                }
                                self::$itemlist = [];
                        }
-                       logger('Processing done for post with URI '.$item["uri"].' for user '.$importer["uid"].'.', LOGGER_DEBUG);
+                       Logger::log('Processing done for post with URI '.$item["uri"].' for user '.$importer["uid"].'.', Logger::DEBUG);
                }
                return true;
        }
@@ -549,13 +566,13 @@ class OStatus
        {
                $condition = ['uid' => $item['uid'], 'author-id' => $item['author-id'], 'uri' => $item['uri']];
                if (!Item::exists($condition)) {
-                       logger('Item from '.$item['author-link'].' with uri '.$item['uri'].' for user '.$item['uid']." wasn't found. We don't delete it.");
+                       Logger::log('Item from '.$item['author-link'].' with uri '.$item['uri'].' for user '.$item['uid']." wasn't found. We don't delete it.");
                        return;
                }
 
                Item::delete($condition);
 
-               logger('Deleted item with uri '.$item['uri'].' for user '.$item['uid']);
+               Logger::log('Deleted item with uri '.$item['uri'].' for user '.$item['uid']);
        }
 
        /**
@@ -617,15 +634,15 @@ class OStatus
                if ($categories) {
                        foreach ($categories as $category) {
                                foreach ($category->attributes as $attributes) {
-                                       if ($attributes->name == "term") {
+                                       if ($attributes->name == 'term') {
                                                $term = $attributes->textContent;
-                                               if (!empty($item["tag"])) {
-                                                       $item["tag"] .= ',';
+                                               if (!empty($item['tag'])) {
+                                                       $item['tag'] .= ',';
                                                } else {
-                                                       $item["tag"] = '';
+                                                       $item['tag'] = '';
                                                }
 
-                                               $item["tag"] .= "#[url=".System::baseUrl()."/search?tag=".$term."]".$term."[/url]";
+                                               $item['tag'] .= '#[url=' . System::baseUrl() . '/search?tag=' . $term . ']' . $term . '[/url]';
                                        }
                                }
                        }
@@ -691,7 +708,7 @@ class OStatus
                                        self::fetchRelated($related, $item["parent-uri"], $importer);
                                }
                        } else {
-                               logger('Reply with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', LOGGER_DEBUG);
+                               Logger::log('Reply with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', Logger::DEBUG);
                        }
                } else {
                        $item["parent-uri"] = $item["uri"];
@@ -721,21 +738,21 @@ class OStatus
 
                self::$conv_list[$conversation] = true;
 
-               $conversation_data = Network::curl($conversation, false, $redirects, ['accept_content' => 'application/atom+xml, text/html']);
+               $curlResult = Network::curl($conversation, false, $redirects, ['accept_content' => 'application/atom+xml, text/html']);
 
-               if (!$conversation_data['success']) {
+               if (!$curlResult->isSuccess()) {
                        return;
                }
 
                $xml = '';
 
-               if (stristr($conversation_data['header'], 'Content-Type: application/atom+xml')) {
-                       $xml = $conversation_data['body'];
+               if (stristr($curlResult->getHeader(), 'Content-Type: application/atom+xml')) {
+                       $xml = $curlResult->getBody();
                }
 
                if ($xml == '') {
                        $doc = new DOMDocument();
-                       if (!@$doc->loadHTML($conversation_data['body'])) {
+                       if (!@$doc->loadHTML($curlResult->getBody())) {
                                return;
                        }
                        $xpath = new DOMXPath($doc);
@@ -752,8 +769,8 @@ class OStatus
                                if ($file != '') {
                                        $conversation_atom = Network::curl($attribute['href']);
 
-                                       if ($conversation_atom['success']) {
-                                               $xml = $conversation_atom['body'];
+                                       if ($conversation_atom->isSuccess()) {
+                                               $xml = $conversation_atom->getBody();
                                        }
                                }
                        }
@@ -794,8 +811,8 @@ class OStatus
 
                        $conv_data = [];
 
-                       $conv_data['protocol'] = PROTOCOL_SPLITTED_CONV;
-                       $conv_data['network'] = NETWORK_OSTATUS;
+                       $conv_data['protocol'] = Conversation::PARCEL_SPLIT_CONVERSATION;
+                       $conv_data['network'] = Protocol::OSTATUS;
                        $conv_data['uri'] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
 
                        $inreplyto = $xpath->query('thr:in-reply-to', $entry);
@@ -835,13 +852,13 @@ class OStatus
 
                        $conv_data['source'] = $doc2->saveXML();
 
-                       $condition = ['item-uri' => $conv_data['uri'],'protocol' => PROTOCOL_OSTATUS_FEED];
+                       $condition = ['item-uri' => $conv_data['uri'],'protocol' => Conversation::PARCEL_FEED];
                        if (DBA::exists('conversation', $condition)) {
-                               logger('Delete deprecated entry for URI '.$conv_data['uri'], LOGGER_DEBUG);
+                               Logger::log('Delete deprecated entry for URI '.$conv_data['uri'], Logger::DEBUG);
                                DBA::delete('conversation', ['item-uri' => $conv_data['uri']]);
                        }
 
-                       logger('Store conversation data for uri '.$conv_data['uri'], LOGGER_DEBUG);
+                       Logger::log('Store conversation data for uri '.$conv_data['uri'], Logger::DEBUG);
                        Conversation::insert($conv_data);
                }
        }
@@ -859,29 +876,29 @@ class OStatus
         */
        private static function fetchSelf($self, array &$item)
        {
-               $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $self, PROTOCOL_DFRN, PROTOCOL_OSTATUS_SALMON];
+               $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $self, Conversation::PARCEL_DFRN, Conversation::PARCEL_SALMON];
                if (DBA::exists('conversation', $condition)) {
-                       logger('Conversation '.$item['uri'].' is already stored.', LOGGER_DEBUG);
+                       Logger::log('Conversation '.$item['uri'].' is already stored.', Logger::DEBUG);
                        return;
                }
 
-               $self_data = Network::curl($self);
+               $curlResult = Network::curl($self);
 
-               if (!$self_data['success']) {
+               if (!$curlResult->isSuccess()) {
                        return;
                }
 
                // We reformat the XML to make it better readable
                $doc = new DOMDocument();
-               $doc->loadXML($self_data['body']);
+               $doc->loadXML($curlResult->getBody());
                $doc->preserveWhiteSpace = false;
                $doc->formatOutput = true;
                $xml = $doc->saveXML();
 
-               $item["protocol"] = PROTOCOL_OSTATUS_SALMON;
+               $item["protocol"] = Conversation::PARCEL_SALMON;
                $item["source"] = $xml;
 
-               logger('Conversation '.$item['uri'].' is now fetched.', LOGGER_DEBUG);
+               Logger::log('Conversation '.$item['uri'].' is now fetched.', Logger::DEBUG);
        }
 
        /**
@@ -894,38 +911,38 @@ class OStatus
         */
        private static function fetchRelated($related, $related_uri, $importer)
        {
-               $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $related_uri, PROTOCOL_DFRN, PROTOCOL_OSTATUS_SALMON];
+               $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $related_uri, Conversation::PARCEL_DFRN, Conversation::PARCEL_SALMON];
                $conversation = DBA::selectFirst('conversation', ['source', 'protocol'], $condition);
                if (DBA::isResult($conversation)) {
                        $stored = true;
                        $xml = $conversation['source'];
                        if (self::process($xml, $importer, $contact, $hub, $stored, false)) {
-                               logger('Got valid cached XML for URI '.$related_uri, LOGGER_DEBUG);
+                               Logger::log('Got valid cached XML for URI '.$related_uri, Logger::DEBUG);
                                return;
                        }
-                       if ($conversation['protocol'] == PROTOCOL_OSTATUS_SALMON) {
-                               logger('Delete invalid cached XML for URI '.$related_uri, LOGGER_DEBUG);
+                       if ($conversation['protocol'] == Conversation::PARCEL_SALMON) {
+                               Logger::log('Delete invalid cached XML for URI '.$related_uri, Logger::DEBUG);
                                DBA::delete('conversation', ['item-uri' => $related_uri]);
                        }
                }
 
                $stored = false;
-               $related_data = Network::curl($related, false, $redirects, ['accept_content' => 'application/atom+xml, text/html']);
+               $curlResult = Network::curl($related, false, $redirects, ['accept_content' => 'application/atom+xml, text/html']);
 
-               if (!$related_data['success']) {
+               if (!$curlResult->isSuccess()) {
                        return;
                }
 
                $xml = '';
 
-               if (stristr($related_data['header'], 'Content-Type: application/atom+xml')) {
-                       logger('Directly fetched XML for URI '.$related_uri, LOGGER_DEBUG);
-                       $xml = $related_data['body'];
+               if (stristr($curlResult->getHeader(), 'Content-Type: application/atom+xml')) {
+                       Logger::log('Directly fetched XML for URI ' . $related_uri, Logger::DEBUG);
+                       $xml = $curlResult->getBody();
                }
 
                if ($xml == '') {
                        $doc = new DOMDocument();
-                       if (!@$doc->loadHTML($related_data['body'])) {
+                       if (!@$doc->loadHTML($curlResult->getBody())) {
                                return;
                        }
                        $xpath = new DOMXPath($doc);
@@ -941,11 +958,11 @@ class OStatus
                                        }
                                }
                                if ($atom_file != '') {
-                                       $related_atom = Network::curl($atom_file);
+                                       $curlResult = Network::curl($atom_file);
 
-                                       if ($related_atom['success']) {
-                                               logger('Fetched XML for URI '.$related_uri, LOGGER_DEBUG);
-                                               $xml = $related_atom['body'];
+                                       if ($curlResult->isSuccess()) {
+                                               Logger::log('Fetched XML for URI ' . $related_uri, Logger::DEBUG);
+                                               $xml = $curlResult->getBody();
                                        }
                                }
                        }
@@ -953,32 +970,32 @@ class OStatus
 
                // Workaround for older GNU Social servers
                if (($xml == '') && strstr($related, '/notice/')) {
-                       $related_atom = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related).'.atom');
+                       $curlResult = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related).'.atom');
 
-                       if ($related_atom['success']) {
-                               logger('GNU Social workaround to fetch XML for URI '.$related_uri, LOGGER_DEBUG);
-                               $xml = $related_atom['body'];
+                       if ($curlResult->isSuccess()) {
+                               Logger::log('GNU Social workaround to fetch XML for URI ' . $related_uri, Logger::DEBUG);
+                               $xml = $curlResult->getBody();
                        }
                }
 
                // Even more worse workaround for GNU Social ;-)
                if ($xml == '') {
                        $related_guess = OStatus::convertHref($related_uri);
-                       $related_atom = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related_guess).'.atom');
+                       $curlResult = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related_guess).'.atom');
 
-                       if ($related_atom['success']) {
-                               logger('GNU Social workaround 2 to fetch XML for URI '.$related_uri, LOGGER_DEBUG);
-                               $xml = $related_atom['body'];
+                       if ($curlResult->isSuccess()) {
+                               Logger::log('GNU Social workaround 2 to fetch XML for URI ' . $related_uri, Logger::DEBUG);
+                               $xml = $curlResult->getBody();
                        }
                }
 
                // Finally we take the data that we fetched from "ostatus:conversation"
                if ($xml == '') {
-                       $condition = ['item-uri' => $related_uri, 'protocol' => PROTOCOL_SPLITTED_CONV];
+                       $condition = ['item-uri' => $related_uri, 'protocol' => Conversation::PARCEL_SPLIT_CONVERSATION];
                        $conversation = DBA::selectFirst('conversation', ['source'], $condition);
                        if (DBA::isResult($conversation)) {
                                $stored = true;
-                               logger('Got cached XML from conversation for URI '.$related_uri, LOGGER_DEBUG);
+                               Logger::log('Got cached XML from conversation for URI '.$related_uri, Logger::DEBUG);
                                $xml = $conversation['source'];
                        }
                }
@@ -986,7 +1003,7 @@ class OStatus
                if ($xml != '') {
                        self::process($xml, $importer, $contact, $hub, $stored, false);
                } else {
-                       logger("XML couldn't be fetched for URI: ".$related_uri." - href: ".$related, LOGGER_DEBUG);
+                       Logger::log("XML couldn't be fetched for URI: ".$related_uri." - href: ".$related, Logger::DEBUG);
                }
                return;
        }
@@ -1003,26 +1020,26 @@ class OStatus
         */
        private static function processRepeatedItem(DOMXPath $xpath, $entry, array &$item, array $importer)
        {
-               $activityobjects = $xpath->query('activity:object', $entry)->item(0);
+               $activityobject = $xpath->query('activity:object', $entry)->item(0);
 
-               if (!is_object($activityobjects)) {
+               if (!is_object($activityobject)) {
                        return [];
                }
 
                $link_data = [];
 
-               $orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobjects);
+               $orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobject);
 
-               $links = $xpath->query("atom:link", $activityobjects);
+               $links = $xpath->query("atom:link", $activityobject);
                if ($links) {
                        $link_data = self::processLinks($links, $item);
                }
 
-               $orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobjects);
-               $orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobjects);
-               $orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobjects);
+               $orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobject);
+               $orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobject);
+               $orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobject);
 
-               $orig_author = self::fetchAuthor($xpath, $activityobjects, $importer, $dummy, false);
+               $orig_author = self::fetchAuthor($xpath, $activityobject, $importer, $dummy, false);
 
                $item["author-name"] = $orig_author["author-name"];
                $item["author-link"] = $orig_author["author-link"];
@@ -1034,11 +1051,19 @@ class OStatus
 
                $item["uri"] = $orig_uri;
 
-               $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobjects);
+               $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobject);
 
-               $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobjects);
+               $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobject);
 
-               $inreplyto = $xpath->query('thr:in-reply-to', $activityobjects);
+               // Mastodon Content Warning
+               if (($item["verb"] == ACTIVITY_POST) && $xpath->evaluate('boolean(atom:summary)', $activityobject)) {
+                       $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $activityobject);
+                       if (!empty($clear_text)) {
+                               $item['content-warning'] = HTML::toBBCode($clear_text);
+                       }
+               }
+
+               $inreplyto = $xpath->query('thr:in-reply-to', $activityobject);
                if (is_object($inreplyto->item(0))) {
                        foreach ($inreplyto->item(0)->attributes as $attributes) {
                                if ($attributes->name == "ref") {
@@ -1214,7 +1239,7 @@ class OStatus
                        }
 
                        // Is it a remote picture? Then make a smaller preview here
-                       $preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
+                       $preview = ProxyUtils::proxifyUrl($preview, false, ProxyUtils::SIZE_SMALL);
 
                        // Is it a local picture? Then make it smaller here
                        $preview = str_replace(["-0.jpg", "-0.png"], ["-2.jpg", "-2.png"], $preview);
@@ -1238,10 +1263,11 @@ class OStatus
         * @param object $doc    XML document
         * @param array  $owner  Contact data of the poster
         * @param string $filter The related feed filter (activity, posts or comments)
+        * @param bool   $feed_mode Behave like a regular feed for users if true
         *
         * @return object header root element
         */
-       private static function addHeader(DOMDocument $doc, array $owner, $filter)
+       private static function addHeader(DOMDocument $doc, array $owner, $filter, $feed_mode = false)
        {
                $a = get_app();
 
@@ -1258,10 +1284,23 @@ class OStatus
                $root->setAttribute("xmlns:mastodon", NAMESPACE_MASTODON);
 
                $title = '';
+               $selfUri = '/feed/' . $owner["nick"] . '/';
                switch ($filter) {
-                       case 'activity': $title = L10n::t('%s\'s timeline', $owner['name']); break;
-                       case 'posts'   : $title = L10n::t('%s\'s posts'   , $owner['name']); break;
-                       case 'comments': $title = L10n::t('%s\'s comments', $owner['name']); break;
+                       case 'activity':
+                               $title = L10n::t('%s\'s timeline', $owner['name']);
+                               $selfUri .= $filter;
+                               break;
+                       case 'posts':
+                               $title = L10n::t('%s\'s posts', $owner['name']);
+                               break;
+                       case 'comments':
+                               $title = L10n::t('%s\'s comments', $owner['name']);
+                               $selfUri .= $filter;
+                               break;
+               }
+
+               if (!$feed_mode) {
+                       $selfUri = "/dfrn_poll/" . $owner["nick"];
                }
 
                $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION];
@@ -1295,11 +1334,10 @@ class OStatus
                $attributes = ["href" => System::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention"];
                XML::addElement($doc, $root, "link", "", $attributes);
 
-               $attributes = ["href" => System::baseUrl() . "/api/statuses/user_timeline/" . $owner["nick"] . ".atom",
-                       "rel" => "self", "type" => "application/atom+xml"];
+               $attributes = ["href" => System::baseUrl() . $selfUri, "rel" => "self", "type" => "application/atom+xml"];
                XML::addElement($doc, $root, "link", "", $attributes);
 
-               if ($owner['account-type'] == ACCOUNT_TYPE_COMMUNITY) {
+               if ($owner['account-type'] == Contact::ACCOUNT_TYPE_COMMUNITY) {
                        $condition = ['uid' => $owner['uid'], 'self' => false, 'pending' => false,
                                        'archive' => false, 'hidden' => false, 'blocked' => false];
                        $members = DBA::count('contact', $condition);
@@ -1338,13 +1376,15 @@ class OStatus
 
                switch ($siteinfo["type"]) {
                        case 'photo':
-                               $imgdata = Image::getInfoFromURL($siteinfo["image"]);
-                               if ($imgdata) {
-                                       $attributes = ["rel" => "enclosure",
-                                                       "href" => $siteinfo["image"],
-                                                       "type" => $imgdata["mime"],
-                                                       "length" => intval($imgdata["size"])];
-                                       XML::addElement($doc, $root, "link", "", $attributes);
+                               if (!empty($siteinfo["image"])) {
+                                       $imgdata = Image::getInfoFromURL($siteinfo["image"]);
+                                       if ($imgdata) {
+                                               $attributes = ["rel" => "enclosure",
+                                                               "href" => $siteinfo["image"],
+                                                               "type" => $imgdata["mime"],
+                                                               "length" => intval($imgdata["size"])];
+                                               XML::addElement($doc, $root, "link", "", $attributes);
+                                       }
                                }
                                break;
                        case 'video':
@@ -1352,7 +1392,7 @@ class OStatus
                                                "href" => $siteinfo["url"],
                                                "type" => "text/html; charset=UTF-8",
                                                "length" => "",
-                                               "title" => $siteinfo["title"]];
+                                               "title" => defaults($siteinfo, "title", $siteinfo["url"])];
                                XML::addElement($doc, $root, "link", "", $attributes);
                                break;
                        default:
@@ -1407,7 +1447,7 @@ class OStatus
                $profile = DBA::selectFirst('profile', ['homepage', 'publish'], ['uid' => $owner['uid'], 'is-default' => true]);
                $author = $doc->createElement("author");
                XML::addElement($doc, $author, "id", $owner["url"]);
-               if ($owner['account-type'] == ACCOUNT_TYPE_COMMUNITY) {
+               if ($owner['account-type'] == Contact::ACCOUNT_TYPE_COMMUNITY) {
                        XML::addElement($doc, $author, "activity:object-type", ACTIVITY_OBJ_GROUP);
                } else {
                        XML::addElement($doc, $author, "activity:object-type", ACTIVITY_OBJ_PERSON);
@@ -1425,8 +1465,8 @@ class OStatus
                $attributes = [
                                "rel" => "avatar",
                                "type" => "image/jpeg", // To-Do?
-                               "media:width" => 175,
-                               "media:height" => 175,
+                               "media:width" => 300,
+                               "media:height" => 300,
                                "href" => $owner["photo"]];
                XML::addElement($doc, $author, "link", "", $attributes);
 
@@ -1511,14 +1551,15 @@ class OStatus
        /**
         * @brief Adds an entry element to the XML document
         *
-        * @param object $doc      XML document
-        * @param array  $item     Data of the item that is to be posted
-        * @param array  $owner    Contact data of the poster
-        * @param bool   $toplevel optional default false
+        * @param object $doc       XML document
+        * @param array  $item      Data of the item that is to be posted
+        * @param array  $owner     Contact data of the poster
+        * @param bool   $toplevel  optional default false
+        * @param bool   $feed_mode Behave like a regular feed for users if true
         *
         * @return object Entry element
         */
-       private static function entry(DOMDocument $doc, array $item, array $owner, $toplevel = false)
+       private static function entry(DOMDocument $doc, array $item, array $owner, $toplevel = false, $feed_mode = false)
        {
                $xml = null;
 
@@ -1536,7 +1577,7 @@ class OStatus
                } elseif (in_array($item["verb"], [ACTIVITY_FOLLOW, NAMESPACE_OSTATUS."/unfollow"])) {
                        return self::followEntry($doc, $item, $owner, $toplevel);
                } else {
-                       return self::noteEntry($doc, $item, $owner, $toplevel);
+                       return self::noteEntry($doc, $item, $owner, $toplevel, $feed_mode);
                }
        }
 
@@ -1573,7 +1614,7 @@ class OStatus
        {
                $r = q(
                        "SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` IN (0, %d) ORDER BY `uid` DESC LIMIT 1",
-                       DBA::escape(normalise_link($url)),
+                       DBA::escape(Strings::normaliseLink($url)),
                        intval($owner["uid"])
                );
                if (DBA::isResult($r)) {
@@ -1582,12 +1623,9 @@ class OStatus
                }
 
                if (!DBA::isResult($r)) {
-                       $r = q(
-                               "SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
-                               DBA::escape(normalise_link($url))
-                       );
+                       $gcontact = DBA::selectFirst('gcontact', [], ['nurl' => Strings::normaliseLink($url)]);
                        if (DBA::isResult($r)) {
-                               $contact = $r[0];
+                               $contact = $gcontact;
                                $contact["uid"] = -1;
                                $contact["success_update"] = $contact["updated"];
                        }
@@ -1610,6 +1648,8 @@ class OStatus
                        $contact["alias"] = $contact["url"];
                }
 
+               $contact['account-type'] = $owner['account-type'];
+
                return $contact;
        }
 
@@ -1626,21 +1666,20 @@ class OStatus
         */
        private static function reshareEntry(DOMDocument $doc, array $item, array $owner, $repeated_guid, $toplevel)
        {
-               if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
-                       logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
+               if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
+                       Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
                }
 
                $title = self::entryHeader($doc, $entry, $owner, $item, $toplevel);
 
                $condition = ['uid' => $owner["uid"], 'guid' => $repeated_guid, 'private' => false,
-                       'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS]];
+                       'network' => [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS]];
                $repeated_item = Item::selectFirst([], $condition);
                if (!DBA::isResult($repeated_item)) {
                        return false;
                }
 
                $contact = self::contactEntry($repeated_item['author-link'], $owner);
-               $contact['account-type'] = $contact['contact-type'];
 
                $title = $owner["nick"]." repeated a notice by ".$contact["nick"];
 
@@ -1690,8 +1729,8 @@ class OStatus
         */
        private static function likeEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
        {
-               if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
-                       logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
+               if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
+                       Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
                }
 
                $title = self::entryHeader($doc, $entry, $owner, $item, $toplevel);
@@ -1732,7 +1771,7 @@ class OStatus
                $object = $doc->createElement("activity:object");
                XML::addElement($doc, $object, "activity:object-type", ACTIVITY_OBJ_PERSON);
 
-               if ($contact['network'] == NETWORK_PHANTOM) {
+               if ($contact['network'] == Protocol::PHANTOM) {
                        XML::addElement($doc, $object, "id", $contact['url']);
                        return $object;
                }
@@ -1746,8 +1785,8 @@ class OStatus
                $attributes = [
                                "rel" => "avatar",
                                "type" => "image/jpeg", // To-Do?
-                               "media:width" => 175,
-                               "media:height" => 175,
+                               "media:width" => 300,
+                               "media:height" => 300,
                                "href" => $contact["photo"]];
                XML::addElement($doc, $object, "link", "", $attributes);
 
@@ -1787,14 +1826,11 @@ class OStatus
                        $item['follow'] = $contact['alias'];
                }
 
-               $r = q(
-                       "SELECT `id` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
-                       intval($owner['uid']),
-                       DBA::escape(normalise_link($contact["url"]))
-               );
+               $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($contact["url"])];
+               $user_contact = DBA::selectFirst('contact', ['id'], $condition);
 
-               if (DBA::isResult($r)) {
-                       $connect_id = $r[0]['id'];
+               if (DBA::isResult($user_contact)) {
+                       $connect_id = $user_contact['id'];
                } else {
                        $connect_id = 0;
                }
@@ -1810,7 +1846,7 @@ class OStatus
                }
 
                $item["uri"] = $item['parent-uri'] = $item['thr-parent']
-                               = 'tag:'.get_app()->get_hostname().
+                               = 'tag:'.get_app()->getHostName().
                                ','.date('Y-m-d').':'.$action.':'.$owner['uid'].
                                ':person:'.$connect_id.':'.$item['created'];
 
@@ -1831,26 +1867,27 @@ class OStatus
        /**
         * @brief Adds a regular entry element
         *
-        * @param object $doc      XML document
-        * @param array  $item     Data of the item that is to be posted
-        * @param array  $owner    Contact data of the poster
-        * @param bool   $toplevel Is it for en entry element (false) or a feed entry (true)?
+        * @param object $doc       XML document
+        * @param array  $item      Data of the item that is to be posted
+        * @param array  $owner     Contact data of the poster
+        * @param bool   $toplevel  Is it for en entry element (false) or a feed entry (true)?
+        * @param bool   $feed_mode Behave like a regular feed for users if true
         *
         * @return object Entry element
         */
-       private static function noteEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
+       private static function noteEntry(DOMDocument $doc, array $item, array $owner, $toplevel, $feed_mode)
        {
-               if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
-                       logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
+               if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
+                       Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
                }
 
                $title = self::entryHeader($doc, $entry, $owner, $item, $toplevel);
 
                XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
 
-               self::entryContent($doc, $entry, $item, $owner, $title);
+               self::entryContent($doc, $entry, $item, $owner, $title, '', true, $feed_mode);
 
-               self::entryFooter($doc, $entry, $item, $owner);
+               self::entryFooter($doc, $entry, $item, $owner, !$feed_mode, $feed_mode);
 
                return $entry;
        }
@@ -1870,9 +1907,13 @@ class OStatus
                /// @todo Check if this title stuff is really needed (I guess not)
                if (!$toplevel) {
                        $entry = $doc->createElement("entry");
-                       $title = sprintf("New note by %s", $owner["nick"]);
+                       if (!empty($item['title'])) {
+                               $title = BBCode::convert($item['title'], false, 7);
+                       } else {
+                               $title = sprintf("New note by %s", $owner["nick"]);
+                       }
 
-                       if ($owner['account-type'] == ACCOUNT_TYPE_COMMUNITY) {
+                       if ($owner['account-type'] == Contact::ACCOUNT_TYPE_COMMUNITY) {
                                $contact = self::contactEntry($item['author-link'], $owner);
                                $author = self::addAuthor($doc, $contact, false);
                                $entry->appendChild($author);
@@ -1900,27 +1941,28 @@ class OStatus
        /**
         * @brief Adds elements to the XML document
         *
-        * @param object $doc      XML document
-        * @param object $entry    Entry element where the content is added
-        * @param array  $item     Data of the item that is to be posted
-        * @param array  $owner    Contact data of the poster
-        * @param string $title    Title for the post
-        * @param string $verb     The activity verb
-        * @param bool   $complete Add the "status_net" element?
+        * @param object $doc       XML document
+        * @param object $entry     Entry element where the content is added
+        * @param array  $item      Data of the item that is to be posted
+        * @param array  $owner     Contact data of the poster
+        * @param string $title     Title for the post
+        * @param string $verb      The activity verb
+        * @param bool   $complete  Add the "status_net" element?
+        * @param bool   $feed_mode Behave like a regular feed for users if true
         * @return void
         */
-       private static function entryContent(DOMDocument $doc, $entry, array $item, array $owner, $title, $verb = "", $complete = true)
+       private static function entryContent(DOMDocument $doc, $entry, array $item, array $owner, $title, $verb = "", $complete = true, $feed_mode = false)
        {
                if ($verb == "") {
                        $verb = self::constructVerb($item);
                }
 
                XML::addElement($doc, $entry, "id", $item["uri"]);
-               XML::addElement($doc, $entry, "title", $title);
+               XML::addElement($doc, $entry, "title", html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
 
                $body = self::formatPicturePost($item['body']);
 
-               if ($item['title'] != "") {
+               if (!empty($item['title']) && !$feed_mode) {
                        $body = "[b]".$item['title']."[/b]\n\n".$body;
                }
 
@@ -1932,11 +1974,13 @@ class OStatus
                                                                "href" => System::baseUrl()."/display/".$item["guid"]]
                );
 
-               if ($complete && ($item["id"] > 0)) {
+               if (!$feed_mode && $complete && ($item["id"] > 0)) {
                        XML::addElement($doc, $entry, "status_net", "", ["notice_id" => $item["id"]]);
                }
 
-               XML::addElement($doc, $entry, "activity:verb", $verb);
+               if (!$feed_mode) {
+                       XML::addElement($doc, $entry, "activity:verb", $verb);
+               }
 
                XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM));
                XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM));
@@ -1945,14 +1989,15 @@ class OStatus
        /**
         * @brief Adds the elements at the foot of an entry to the XML document
         *
-        * @param object $doc      XML document
-        * @param object $entry    The entry element where the elements are added
-        * @param array  $item     Data of the item that is to be posted
-        * @param array  $owner    Contact data of the poster
-        * @param bool   $complete default true
+        * @param object $doc       XML document
+        * @param object $entry     The entry element where the elements are added
+        * @param array  $item      Data of the item that is to be posted
+        * @param array  $owner     Contact data of the poster
+        * @param bool   $complete  default true
+        * @param bool   $feed_mode Behave like a regular feed for users if true
         * @return void
         */
-       private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, $complete = true)
+       private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, $complete = true, $feed_mode = false)
        {
                $mentioned = [];
 
@@ -1983,9 +2028,8 @@ class OStatus
                        XML::addElement($doc, $entry, "link", "", $attributes);
                }
 
-               if (intval($item["parent"]) > 0) {
-                       $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
-                       $conversation_uri = $conversation_href;
+               if (!$feed_mode && (intval($item["parent"]) > 0)) {
+                       $conversation_href = $conversation_uri = str_replace('/objects/', '/context/', $item['parent-uri']);
 
                        if (isset($parent_item)) {
                                $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $parent_item]);
@@ -2028,10 +2072,10 @@ class OStatus
                $mentioned = $newmentions;
 
                foreach ($mentioned as $mention) {
-                       $condition = ['uid' => $owner['uid'], 'nurl' => normalise_link($mention)];
+                       $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($mention)];
                        $contact = DBA::selectFirst('contact', ['forum', 'prv', 'self', 'contact-type'], $condition);
-                       if ($contact["forum"] || $contact["prv"] || ($owner['contact-type'] == ACCOUNT_TYPE_COMMUNITY) ||
-                               ($contact['self'] && ($owner['account-type'] == ACCOUNT_TYPE_COMMUNITY))) {
+                       if ($contact["forum"] || $contact["prv"] || ($owner['contact-type'] == Contact::ACCOUNT_TYPE_COMMUNITY) ||
+                               ($contact['self'] && ($owner['account-type'] == Contact::ACCOUNT_TYPE_COMMUNITY))) {
                                XML::addElement($doc, $entry, "link", "",
                                        [
                                                "rel" => "mentioned",
@@ -2048,7 +2092,7 @@ class OStatus
                        }
                }
 
-               if ($owner['account-type'] == ACCOUNT_TYPE_COMMUNITY) {
+               if ($owner['account-type'] == Contact::ACCOUNT_TYPE_COMMUNITY) {
                        XML::addElement($doc, $entry, "link", "", [
                                "rel" => "mentioned",
                                "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/group",
@@ -2056,7 +2100,7 @@ class OStatus
                        ]);
                }
 
-               if (!$item["private"]) {
+               if (!$item["private"] && !$feed_mode) {
                        XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:attention",
                                                                        "href" => "http://activityschema.org/collection/public"]);
                        XML::addElement($doc, $entry, "link", "", ["rel" => "mentioned",
@@ -2113,10 +2157,11 @@ class OStatus
         * @param integer $max_items   Number of maximum items to fetch
         * @param string  $filter      Feed items filter (activity, posts or comments)
         * @param boolean $nocache     Wether to bypass caching
+        * @param boolean $feed_mode   Behave like a regular feed for users if true
         *
         * @return string XML feed
         */
-       public static function feed($owner_nick, &$last_update, $max_items = 300, $filter = 'activity', $nocache = false)
+       public static function feed($owner_nick, &$last_update, $max_items = 300, $filter = 'activity', $nocache = false, $feed_mode = false)
        {
                $stamp = microtime(true);
 
@@ -2133,7 +2178,7 @@ class OStatus
                if ((time() - strtotime($owner['last-item'])) < 15*60) {
                        $result = Cache::get($cachekey);
                        if (!$nocache && !is_null($result)) {
-                               logger('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)', LOGGER_DEBUG);
+                               Logger::log('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)', Logger::DEBUG);
                                $last_update = $result['last_update'];
                                return $result['feed'];
                        }
@@ -2148,14 +2193,14 @@ class OStatus
 
                $condition = ["`uid` = ? AND `created` > ? AND NOT `deleted`
                        AND NOT `private` AND `visible` AND `wall` AND `parent-network` IN (?, ?)",
-                       $owner["uid"], $check_date, NETWORK_OSTATUS, NETWORK_DFRN];
+                       $owner["uid"], $check_date, Protocol::OSTATUS, Protocol::DFRN];
 
                if ($filter === 'comments') {
                        $condition[0] .= " AND `object-type` = ? ";
                        $condition[] = ACTIVITY_OBJ_COMMENT;
                }
 
-               if ($owner['account-type'] != ACCOUNT_TYPE_COMMUNITY) {
+               if ($owner['account-type'] != Contact::ACCOUNT_TYPE_COMMUNITY) {
                        $condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
                        $condition[] = $owner["id"];
                        $condition[] = $authorid;
@@ -2174,13 +2219,14 @@ class OStatus
                $doc = new DOMDocument('1.0', 'utf-8');
                $doc->formatOutput = true;
 
-               $root = self::addHeader($doc, $owner, $filter);
+               $root = self::addHeader($doc, $owner, $filter, $feed_mode);
 
                foreach ($items as $item) {
                        if (Config::get('system', 'ostatus_debug')) {
                                $item['body'] .= '🍼';
                        }
-                       $entry = self::entry($doc, $item, $owner);
+
+                       $entry = self::entry($doc, $item, $owner, false, $feed_mode);
                        $root->appendChild($entry);
 
                        if ($last_update < $item['created']) {
@@ -2191,9 +2237,9 @@ class OStatus
                $feeddata = trim($doc->saveXML());
 
                $msg = ['feed' => $feeddata, 'last_update' => $last_update];
-               Cache::set($cachekey, $msg, CACHE_QUARTER_HOUR);
+               Cache::set($cachekey, $msg, Cache::QUARTER_HOUR);
 
-               logger('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created, LOGGER_DEBUG);
+               Logger::log('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created, Logger::DEBUG);
 
                return $feeddata;
        }