]> git.mxchange.org Git - friendica.git/blobdiff - include/dfrn.php
Merge pull request #2758 from annando/1609-sql-charset
[friendica.git] / include / dfrn.php
index 1db2c6b33db2a3406d3edff6f1555aeda0191203..27fc644c6b21d2dbbf99d6b17f36c43cb1dfaa52 100644 (file)
@@ -18,7 +18,8 @@ require_once("include/event.php");
 require_once("include/text.php");
 require_once("include/oembed.php");
 require_once("include/html2bbcode.php");
-require_once("library/HTMLPurifier.auto.php");
+require_once("include/bbcode.php");
+require_once("include/xml.php");
 
 /**
  * @brief This class contain functions to create and send DFRN XML files
@@ -67,10 +68,11 @@ class dfrn {
         * @param string $owner_nick Owner nick name
         * @param string $last_update Date of the last update
         * @param int $direction Can be -1, 0 or 1.
+        * @param boolean $onlyheader Output only the header without content? (Default is "no")
         *
         * @return string DFRN feed entries
         */
-       public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) {
+       public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false) {
 
                $a = get_app();
 
@@ -85,7 +87,7 @@ class dfrn {
                                        $converse = true;
                                if($a->argv[$x] == 'starred')
                                        $starred = true;
-                               if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
+                               if($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
                                        $category = $a->argv[$x+1];
                        }
                }
@@ -96,7 +98,7 @@ class dfrn {
 
                $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' ";
 
-               $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
+               $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
                        FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
                        WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
                        dbesc($owner_nick)
@@ -106,7 +108,7 @@ class dfrn {
                        killme();
 
                $owner = $r[0];
-               $owner_id = $owner['user_uid'];
+               $owner_id = $owner['uid'];
                $owner_nick = $owner['nickname'];
 
                $sql_post_table = "";
@@ -195,7 +197,6 @@ class dfrn {
                        `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
                        `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
                        `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
-                       `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
                        `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
                        FROM `item` $sql_post_table
                        INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
@@ -233,7 +234,7 @@ class dfrn {
                // This hook can't work anymore
                //      call_hooks('atom_feed', $atom);
 
-               if(! count($items)) {
+               if (!count($items) OR $onlyheader) {
                        $atom = trim($doc->saveXML());
 
                        call_hooks('atom_feed_end', $atom);
@@ -244,7 +245,7 @@ class dfrn {
                foreach($items as $item) {
 
                        // prevent private email from leaking.
-                       if($item['network'] === NETWORK_MAIL)
+                       if($item['network'] == NETWORK_MAIL)
                                continue;
 
                        // public feeds get html, our own nodes use bbcode
@@ -286,17 +287,17 @@ class dfrn {
                $mail = $doc->createElement("dfrn:mail");
                $sender = $doc->createElement("dfrn:sender");
 
-               xml_add_element($doc, $sender, "dfrn:name", $owner['name']);
-               xml_add_element($doc, $sender, "dfrn:uri", $owner['url']);
-               xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
+               xml::add_element($doc, $sender, "dfrn:name", $owner['name']);
+               xml::add_element($doc, $sender, "dfrn:uri", $owner['url']);
+               xml::add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
 
                $mail->appendChild($sender);
 
-               xml_add_element($doc, $mail, "dfrn:id", $item['uri']);
-               xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
-               xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
-               xml_add_element($doc, $mail, "dfrn:subject", $item['title']);
-               xml_add_element($doc, $mail, "dfrn:content", $item['body']);
+               xml::add_element($doc, $mail, "dfrn:id", $item['uri']);
+               xml::add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
+               xml::add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
+               xml::add_element($doc, $mail, "dfrn:subject", $item['title']);
+               xml::add_element($doc, $mail, "dfrn:content", $item['body']);
 
                $root->appendChild($mail);
 
@@ -319,11 +320,11 @@ class dfrn {
 
                $suggest = $doc->createElement("dfrn:suggest");
 
-               xml_add_element($doc, $suggest, "dfrn:url", $item['url']);
-               xml_add_element($doc, $suggest, "dfrn:name", $item['name']);
-               xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']);
-               xml_add_element($doc, $suggest, "dfrn:request", $item['request']);
-               xml_add_element($doc, $suggest, "dfrn:note", $item['note']);
+               xml::add_element($doc, $suggest, "dfrn:url", $item['url']);
+               xml::add_element($doc, $suggest, "dfrn:name", $item['name']);
+               xml::add_element($doc, $suggest, "dfrn:photo", $item['photo']);
+               xml::add_element($doc, $suggest, "dfrn:request", $item['request']);
+               xml::add_element($doc, $suggest, "dfrn:note", $item['note']);
 
                $root->appendChild($suggest);
 
@@ -365,16 +366,18 @@ class dfrn {
 
                $relocate = $doc->createElement("dfrn:relocate");
 
-               xml_add_element($doc, $relocate, "dfrn:url", $owner['url']);
-               xml_add_element($doc, $relocate, "dfrn:name", $owner['name']);
-               xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]);
-               xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
-               xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]);
-               xml_add_element($doc, $relocate, "dfrn:request", $owner['request']);
-               xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
-               xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
-               xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
-               xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
+               xml::add_element($doc, $relocate, "dfrn:url", $owner['url']);
+               xml::add_element($doc, $relocate, "dfrn:name", $owner['name']);
+               xml::add_element($doc, $relocate, "dfrn:addr", $owner['addr']);
+               xml::add_element($doc, $relocate, "dfrn:avatar", $owner['avatar']);
+               xml::add_element($doc, $relocate, "dfrn:photo", $photos[4]);
+               xml::add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
+               xml::add_element($doc, $relocate, "dfrn:micro", $photos[6]);
+               xml::add_element($doc, $relocate, "dfrn:request", $owner['request']);
+               xml::add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
+               xml::add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
+               xml::add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
+               xml::add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
 
                $root->appendChild($relocate);
 
@@ -410,39 +413,39 @@ class dfrn {
                $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
                $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
 
-               xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
-               xml_add_element($doc, $root, "title", $owner["name"]);
+               xml::add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
+               xml::add_element($doc, $root, "title", $owner["name"]);
 
                $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
-               xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
+               xml::add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
 
                $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
-               xml_add_element($doc, $root, "link", "", $attributes);
+               xml::add_element($doc, $root, "link", "", $attributes);
 
                $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
-               xml_add_element($doc, $root, "link", "", $attributes);
+               xml::add_element($doc, $root, "link", "", $attributes);
 
 
                if ($public) {
                        // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
-                       ostatus_hublinks($doc, $root);
+                       ostatus::hublinks($doc, $root);
 
                        $attributes = array("rel" => "salmon", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
-                       xml_add_element($doc, $root, "link", "", $attributes);
+                       xml::add_element($doc, $root, "link", "", $attributes);
 
                        $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
-                       xml_add_element($doc, $root, "link", "", $attributes);
+                       xml::add_element($doc, $root, "link", "", $attributes);
 
                        $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
-                       xml_add_element($doc, $root, "link", "", $attributes);
+                       xml::add_element($doc, $root, "link", "", $attributes);
                }
 
                if ($owner['page-flags'] == PAGE_COMMUNITY)
-                       xml_add_element($doc, $root, "dfrn:community", 1);
+                       xml::add_element($doc, $root, "dfrn:community", 1);
 
                /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
 
-               xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
+               xml::add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
 
                $author = self::add_author($doc, $owner, $authorelement, $public);
                $root->appendChild($author);
@@ -461,66 +464,81 @@ class dfrn {
         */
        private function add_author($doc, $owner, $authorelement, $public) {
 
+               // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
+               $r = q("SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
+                               WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
+                       intval($owner['uid']));
+               if ($r)
+                       $hidewall = true;
+               else
+                       $hidewall = false;
+
                $author = $doc->createElement($authorelement);
 
-               $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME);
+               $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
                $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
                $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
 
-               $attributes = array("dfrn:updated" => $namdate);
-               xml_add_element($doc, $author, "name", $owner["name"], $attributes);
-
-               $attributes = array("dfrn:updated" => $namdate);
-               xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes);
+               if (!$public OR !$hidewall)
+                       $attributes = array("dfrn:updated" => $namdate);
+               else
+                       $attributes = array();
 
-               $attributes = array("dfrn:updated" => $namdate);
-               xml_add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
+               xml::add_element($doc, $author, "name", $owner["name"], $attributes);
+               xml::add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes);
+               xml::add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
 
-               $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate,
+               $attributes = array("rel" => "photo", "type" => "image/jpeg",
                                        "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
-               xml_add_element($doc, $author, "link", "", $attributes);
 
-               $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate,
-                                       "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
-               xml_add_element($doc, $author, "link", "", $attributes);
+               if (!$public OR !$hidewall)
+                       $attributes["dfrn:updated"] = $picdate;
 
-               $birthday = feed_birthday($owner['user_uid'], $owner['timezone']);
+               xml::add_element($doc, $author, "link", "", $attributes);
 
-               if ($birthday)
-                       xml_add_element($doc, $author, "dfrn:birthday", $birthday);
+               $attributes["rel"] = "avatar";
+               xml::add_element($doc, $author, "link", "", $attributes);
 
-               // The following fields will only be generated if this isn't for a public feed
+               if ($hidewall)
+                       xml::add_element($doc, $author, "dfrn:hide", "true");
+
+               // The following fields will only be generated if the data isn't meant for a public feed
                if ($public)
                        return $author;
 
+               $birthday = feed_birthday($owner['uid'], $owner['timezone']);
+
+               if ($birthday)
+                       xml::add_element($doc, $author, "dfrn:birthday", $birthday);
+
                // Only show contact details when we are allowed to
                $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`,
                                `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob`
                        FROM `profile`
                                INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
                                WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
-                       intval($owner['user_uid']));
+                       intval($owner['uid']));
                if ($r) {
                        $profile = $r[0];
-                       xml_add_element($doc, $author, "poco:displayName", $profile["name"]);
-                       xml_add_element($doc, $author, "poco:updated", $namdate);
+                       xml::add_element($doc, $author, "poco:displayName", $profile["name"]);
+                       xml::add_element($doc, $author, "poco:updated", $namdate);
 
                        if (trim($profile["dob"]) != "0000-00-00")
-                               xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
+                               xml::add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
 
-                       xml_add_element($doc, $author, "poco:note", $profile["about"]);
-                       xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
+                       xml::add_element($doc, $author, "poco:note", $profile["about"]);
+                       xml::add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
 
                        $savetz = date_default_timezone_get();
                        date_default_timezone_set($profile["timezone"]);
-                       xml_add_element($doc, $author, "poco:utcOffset", date("P"));
+                       xml::add_element($doc, $author, "poco:utcOffset", date("P"));
                        date_default_timezone_set($savetz);
 
                        if (trim($profile["homepage"]) != "") {
                                $urls = $doc->createElement("poco:urls");
-                               xml_add_element($doc, $urls, "poco:type", "homepage");
-                               xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
-                               xml_add_element($doc, $urls, "poco:primary", "true");
+                               xml::add_element($doc, $urls, "poco:type", "homepage");
+                               xml::add_element($doc, $urls, "poco:value", $profile["homepage"]);
+                               xml::add_element($doc, $urls, "poco:primary", "true");
                                $author->appendChild($urls);
                        }
 
@@ -528,7 +546,7 @@ class dfrn {
                                $keywords = explode(",", $profile["pub_keywords"]);
 
                                foreach ($keywords AS $keyword)
-                                       xml_add_element($doc, $author, "poco:tags", trim($keyword));
+                                       xml::add_element($doc, $author, "poco:tags", trim($keyword));
 
                        }
 
@@ -536,25 +554,25 @@ class dfrn {
                        $xmpp = "";
                        if (trim($xmpp) != "") {
                                $ims = $doc->createElement("poco:ims");
-                               xml_add_element($doc, $ims, "poco:type", "xmpp");
-                               xml_add_element($doc, $ims, "poco:value", $xmpp);
-                               xml_add_element($doc, $ims, "poco:primary", "true");
+                               xml::add_element($doc, $ims, "poco:type", "xmpp");
+                               xml::add_element($doc, $ims, "poco:value", $xmpp);
+                               xml::add_element($doc, $ims, "poco:primary", "true");
                                $author->appendChild($ims);
                        }
 
                        if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
                                $element = $doc->createElement("poco:address");
 
-                               xml_add_element($doc, $element, "poco:formatted", formatted_location($profile));
+                               xml::add_element($doc, $element, "poco:formatted", formatted_location($profile));
 
                                if (trim($profile["locality"]) != "")
-                                       xml_add_element($doc, $element, "poco:locality", $profile["locality"]);
+                                       xml::add_element($doc, $element, "poco:locality", $profile["locality"]);
 
                                if (trim($profile["region"]) != "")
-                                       xml_add_element($doc, $element, "poco:region", $profile["region"]);
+                                       xml::add_element($doc, $element, "poco:region", $profile["region"]);
 
                                if (trim($profile["country-name"]) != "")
-                                       xml_add_element($doc, $element, "poco:country", $profile["country-name"]);
+                                       xml::add_element($doc, $element, "poco:country", $profile["country-name"]);
 
                                $author->appendChild($element);
                        }
@@ -578,9 +596,9 @@ class dfrn {
                $contact = get_contact_details_by_url($contact_url, $item["uid"]);
 
                $author = $doc->createElement($element);
-               xml_add_element($doc, $author, "name", $contact["name"]);
-               xml_add_element($doc, $author, "uri", $contact["url"]);
-               xml_add_element($doc, $author, "dfrn:handle", $contact["addr"]);
+               xml::add_element($doc, $author, "name", $contact["name"]);
+               xml::add_element($doc, $author, "uri", $contact["url"]);
+               xml::add_element($doc, $author, "dfrn:handle", $contact["addr"]);
 
                /// @Todo
                /// - Check real image type and image size
@@ -591,7 +609,7 @@ class dfrn {
                                "media:width" => 80,
                                "media:height" => 80,
                                "href" => $contact["photo"]);
-               xml_add_element($doc, $author, "link", "", $attributes);
+               xml::add_element($doc, $author, "link", "", $attributes);
 
                $attributes = array(
                                "rel" => "avatar",
@@ -599,7 +617,7 @@ class dfrn {
                                "media:width" => 80,
                                "media:height" => 80,
                                "href" => $contact["photo"]);
-               xml_add_element($doc, $author, "link", "", $attributes);
+               xml::add_element($doc, $author, "link", "", $attributes);
 
                return $author;
        }
@@ -622,13 +640,13 @@ class dfrn {
                        if(!$r)
                                return false;
                        if($r->type)
-                               xml_add_element($doc, $entry, "activity:object-type", $r->type);
+                               xml::add_element($doc, $entry, "activity:object-type", $r->type);
                        if($r->id)
-                               xml_add_element($doc, $entry, "id", $r->id);
+                               xml::add_element($doc, $entry, "id", $r->id);
                        if($r->title)
-                               xml_add_element($doc, $entry, "title", $r->title);
+                               xml::add_element($doc, $entry, "title", $r->title);
                        if($r->link) {
-                               if(substr($r->link,0,1) === '<') {
+                               if(substr($r->link,0,1) == '<') {
                                        if(strstr($r->link,'&') && (! strstr($r->link,'&amp;')))
                                                $r->link = str_replace('&','&amp;', $r->link);
 
@@ -641,16 +659,16 @@ class dfrn {
                                                        $attributes = array();
                                                        foreach ($link->attributes() AS $parameter => $value)
                                                                $attributes[$parameter] = $value;
-                                                       xml_add_element($doc, $entry, "link", "", $attributes);
+                                                       xml::add_element($doc, $entry, "link", "", $attributes);
                                                }
                                        }
                                } else {
                                        $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
-                                       xml_add_element($doc, $entry, "link", "", $attributes);
+                                       xml::add_element($doc, $entry, "link", "", $attributes);
                                }
                        }
                        if($r->content)
-                               xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
+                               xml::add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
 
                        return $entry;
                }
@@ -684,7 +702,7 @@ class dfrn {
                                        if(trim($matches[4]) != "")
                                                $attributes["title"] = trim($matches[4]);
 
-                                       xml_add_element($doc, $root, "link", "", $attributes);
+                                       xml::add_element($doc, $root, "link", "", $attributes);
                                }
                        }
                }
@@ -711,7 +729,7 @@ class dfrn {
 
                if($item['deleted']) {
                        $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
-                       return xml_create_element($doc, "at:deleted-entry", "", $attributes);
+                       return xml::create_element($doc, "at:deleted-entry", "", $attributes);
                }
 
                $entry = $doc->createElement("entry");
@@ -721,6 +739,9 @@ class dfrn {
                else
                        $body = $item['body'];
 
+               // Remove the abstract element. It is only locally important.
+               $body = remove_abstract($body);
+
                if ($type == 'html') {
                        $htmlbody = $body;
 
@@ -742,66 +763,66 @@ class dfrn {
                        $attributes = array("ref" => $parent_item, "type" => "text/html",
                                                "href" => app::get_baseurl().'/display/'.$parent[0]['guid'],
                                                "dfrn:diaspora_guid" => $parent[0]['guid']);
-                       xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
+                       xml::add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
                }
 
-               xml_add_element($doc, $entry, "id", $item["uri"]);
-               xml_add_element($doc, $entry, "title", $item["title"]);
+               xml::add_element($doc, $entry, "id", $item["uri"]);
+               xml::add_element($doc, $entry, "title", $item["title"]);
 
-               xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
-               xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
+               xml::add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
+               xml::add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
 
                // "dfrn:env" is used to read the content
-               xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
+               xml::add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
 
                // The "content" field is not read by the receiver. We could remove it when the type is "text"
                // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
-               xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type));
+               xml::add_element($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), array("type" => $type));
 
                // We save this value in "plink". Maybe we should read it from there as well?
-               xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
+               xml::add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
                                                                "href" => app::get_baseurl()."/display/".$item["guid"]));
 
                // "comment-allow" is some old fashioned stuff for old Friendica versions.
                // It is included in the rewritten code for completeness
                if ($comment)
-                       xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
+                       xml::add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
 
                if($item['location'])
-                       xml_add_element($doc, $entry, "dfrn:location", $item['location']);
+                       xml::add_element($doc, $entry, "dfrn:location", $item['location']);
 
                if($item['coord'])
-                       xml_add_element($doc, $entry, "georss:point", $item['coord']);
+                       xml::add_element($doc, $entry, "georss:point", $item['coord']);
 
                if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
-                       xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
+                       xml::add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
 
                if($item['extid'])
-                       xml_add_element($doc, $entry, "dfrn:extid", $item['extid']);
+                       xml::add_element($doc, $entry, "dfrn:extid", $item['extid']);
 
                if($item['bookmark'])
-                       xml_add_element($doc, $entry, "dfrn:bookmark", "true");
+                       xml::add_element($doc, $entry, "dfrn:bookmark", "true");
 
                if($item['app'])
-                       xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
+                       xml::add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
 
-               xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
+               xml::add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
 
                // The signed text contains the content in Markdown, the sender handle and the signatur for the content
                // It is needed for relayed comments to Diaspora.
                if($item['signed_text']) {
                        $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
-                       xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
+                       xml::add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
                }
 
-               xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
+               xml::add_element($doc, $entry, "activity:verb", construct_verb($item));
 
                if ($item['object-type'] != "")
-                       xml_add_element($doc, $entry, "activity:object-type", $item['object-type']);
+                       xml::add_element($doc, $entry, "activity:object-type", $item['object-type']);
                elseif ($item['id'] == $item['parent'])
-                       xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
+                       xml::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
                else
-                       xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
+                       xml::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
 
                $actobj = self::create_activity($doc, "activity:object", $item['object']);
                if ($actobj)
@@ -816,7 +837,7 @@ class dfrn {
                if(count($tags)) {
                        foreach($tags as $t)
                                if (($type != 'html') OR ($t[0] != "@"))
-                                       xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
+                                       xml::add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
                }
 
                if(count($tags))
@@ -829,11 +850,11 @@ class dfrn {
                                intval($owner["uid"]),
                                dbesc(normalise_link($mention)));
                        if ($r[0]["forum"] OR $r[0]["prv"])
-                               xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+                               xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
                                                                                        "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
                                                                                        "href" => $mention));
                        else
-                               xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+                               xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
                                                                                        "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
                                                                                        "href" => $mention));
                }
@@ -1122,7 +1143,7 @@ class dfrn {
                $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
 
                $r = q("SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
-                               `name`, `nick`, `about`, `location`, `keywords`, `bdyear`, `bd`
+                               `name`, `nick`, `about`, `location`, `keywords`, `bdyear`, `bd`, `hidden`
                                FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
                        intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET));
                if ($r) {
@@ -1206,6 +1227,16 @@ class dfrn {
                        /// - poco:region
                        /// - poco:country
 
+                       // If the "hide" element is present then the profile isn't searchable.
+                       $hide = intval($xpath->evaluate($element."/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
+
+                       logger("Hidden status for contact ".$contact["url"].": ".$hide, LOGGER_DEBUG);
+
+                       // If the contact isn't searchable then set the contact to "hidden".
+                       // Problem: This can be manually overridden by the user.
+                       if ($hide)
+                               $contact["hidden"] = true;
+
                        // Save the keywords into the contact table
                        $tags = array();
                        $tagelements = $xpath->evaluate($element."/poco:tags/text()", $context);
@@ -1258,17 +1289,17 @@ class dfrn {
                        unset($fields["name-date"]);
                        unset($fields["uri-date"]);
 
-                        // Update check for this field has to be done differently
+                       // Update check for this field has to be done differently
                        $datefields = array("name-date", "uri-date");
                        foreach ($datefields AS $field)
                                if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
-                                       logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
+                                       logger("Difference for contact ".$contact["id"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
                                        $update = true;
                                }
 
                        foreach ($fields AS $field => $data)
                                if ($contact[$field] != $r[0][$field]) {
-                                       logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
+                                       logger("Difference for contact ".$contact["id"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
                                        $update = true;
                                }
 
@@ -1276,13 +1307,13 @@ class dfrn {
                                logger("Update contact data for contact ".$contact["id"]." (".$contact["nick"].")", LOGGER_DEBUG);
 
                                q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
-                                       `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s',
+                                       `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
                                        `name-date`  = '%s', `uri-date` = '%s'
                                        WHERE `id` = %d AND `network` = '%s'",
                                        dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
                                        dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
-                                       dbesc($contact["bd"]), dbesc($contact["name-date"]), dbesc($contact["uri-date"]),
-                                       intval($contact["id"]), dbesc($contact["network"]));
+                                       dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["name-date"]),
+                                       dbesc($contact["uri-date"]), intval($contact["id"]), dbesc($contact["network"]));
                        }
 
                        update_contact_avatar($author["avatar"], $importer["uid"], $contact["id"],
@@ -1295,6 +1326,7 @@ class dfrn {
 
                        $poco["generation"] = 2;
                        $poco["photo"] = $author["avatar"];
+                       $poco["hide"] = $hide;
                        update_gcontact($poco);
                }
 
@@ -1320,7 +1352,7 @@ class dfrn {
                $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
 
                $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
-               xml_add_element($obj_doc, $obj_element, "type", $activity_type);
+               xml::add_element($obj_doc, $obj_element, "type", $activity_type);
 
                $id = $xpath->query("atom:id", $activity)->item(0);
                if (is_object($id))
@@ -1515,7 +1547,9 @@ class dfrn {
                $relocate["uid"] = $importer["importer_uid"];
                $relocate["cid"] = $importer["id"];
                $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
+               $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
                $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
+               $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
                $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
                $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
                $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
@@ -1525,6 +1559,12 @@ class dfrn {
                $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
                $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
 
+               if (($relocate["avatar"] == "") AND ($relocate["photo"] != ""))
+                       $relocate["avatar"] = $relocate["photo"];
+
+               if ($relocate["addr"] == "")
+                       $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
+
                // update contact
                $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
                        intval($importer["id"]),
@@ -1534,51 +1574,83 @@ class dfrn {
 
                $old = $r[0];
 
-               $x = q("UPDATE `contact` SET
+               // Update the gcontact entry
+               $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
+
+               $x = q("UPDATE `gcontact` SET
                                        `name` = '%s',
                                        `photo` = '%s',
-                                       `thumb` = '%s',
-                                       `micro` = '%s',
                                        `url` = '%s',
                                        `nurl` = '%s',
+                                       `addr` = '%s',
+                                       `connect` = '%s',
+                                       `notify` = '%s',
+                                       `server_url` = '%s'
+                       WHERE `nurl` = '%s';",
+                                       dbesc($relocate["name"]),
+                                       dbesc($relocate["avatar"]),
+                                       dbesc($relocate["url"]),
+                                       dbesc(normalise_link($relocate["url"])),
+                                       dbesc($relocate["addr"]),
+                                       dbesc($relocate["addr"]),
+                                       dbesc($relocate["notify"]),
+                                       dbesc($relocate["server_url"]),
+                                       dbesc(normalise_link($old["url"])));
+
+               // Update the contact table. We try to find every entry.
+               $x = q("UPDATE `contact` SET
+                                       `name` = '%s',
+                                       `avatar` = '%s',
+                                       `url` = '%s',
+                                       `nurl` = '%s',
+                                       `addr` = '%s',
                                        `request` = '%s',
                                        `confirm` = '%s',
                                        `notify` = '%s',
                                        `poll` = '%s',
                                        `site-pubkey` = '%s'
-                       WHERE `id` = %d AND `uid` = %d;",
+                       WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
                                        dbesc($relocate["name"]),
-                                       dbesc($relocate["photo"]),
-                                       dbesc($relocate["thumb"]),
-                                       dbesc($relocate["micro"]),
+                                       dbesc($relocate["avatar"]),
                                        dbesc($relocate["url"]),
                                        dbesc(normalise_link($relocate["url"])),
+                                       dbesc($relocate["addr"]),
                                        dbesc($relocate["request"]),
                                        dbesc($relocate["confirm"]),
                                        dbesc($relocate["notify"]),
                                        dbesc($relocate["poll"]),
                                        dbesc($relocate["sitepubkey"]),
                                        intval($importer["id"]),
-                                       intval($importer["importer_uid"]));
+                                       intval($importer["importer_uid"]),
+                                       dbesc(normalise_link($old["url"])));
+
+               update_contact_avatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
 
                if ($x === false)
                        return false;
 
                // update items
+               /// @todo This is an extreme performance killer
                $fields = array(
                        'owner-link' => array($old["url"], $relocate["url"]),
                        'author-link' => array($old["url"], $relocate["url"]),
-                       'owner-avatar' => array($old["photo"], $relocate["photo"]),
-                       'author-avatar' => array($old["photo"], $relocate["photo"]),
+                       //'owner-avatar' => array($old["photo"], $relocate["photo"]),
+                       //'author-avatar' => array($old["photo"], $relocate["photo"]),
                        );
-               foreach ($fields as $n=>$f){
-                       $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
-                                       $n, dbesc($f[1]),
+               foreach ($fields as $n=>$f) {
+                       $r = q("SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
                                        $n, dbesc($f[0]),
                                        intval($importer["importer_uid"]));
-                               if ($x === false)
-                                       return false;
+
+                       if ($r) {
+                               $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
+                                               $n, dbesc($f[1]),
+                                               $n, dbesc($f[0]),
+                                               intval($importer["importer_uid"]));
+                                       if ($x === false)
+                                               return false;
                        }
+               }
 
                /// @TODO
                /// merge with current record, current contents have priority
@@ -1620,7 +1692,7 @@ class dfrn {
                        $changed = true;
 
                        if ($entrytype == DFRN_REPLY_RC)
-                               proc_run("php", "include/notifier.php","comment-import", $current["id"]);
+                               proc_run(PRIORITY_HIGH, "include/notifier.php","comment-import", $current["id"]);
                }
 
                // update last-child if it changes
@@ -1770,6 +1842,9 @@ class dfrn {
         * @return bool Should the processing of the entries be continued?
         */
        private function process_verbs($entrytype, $importer, &$item, &$is_like) {
+
+               logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
+
                if (($entrytype == DFRN_TOP_LEVEL)) {
                        // The filling of the the "contact" variable is done for legcy reasons
                        // The functions below are partly used by ostatus.php as well - where we have this variable
@@ -1800,11 +1875,11 @@ class dfrn {
                                return false;
                        }
                } else {
-                       if(($item["verb"] === ACTIVITY_LIKE)
-                               || ($item["verb"] === ACTIVITY_DISLIKE)
-                               || ($item["verb"] === ACTIVITY_ATTEND)
-                               || ($item["verb"] === ACTIVITY_ATTENDNO)
-                               || ($item["verb"] === ACTIVITY_ATTENDMAYBE)) {
+                       if(($item["verb"] == ACTIVITY_LIKE)
+                               || ($item["verb"] == ACTIVITY_DISLIKE)
+                               || ($item["verb"] == ACTIVITY_ATTEND)
+                               || ($item["verb"] == ACTIVITY_ATTENDNO)
+                               || ($item["verb"] == ACTIVITY_ATTENDMAYBE)) {
                                $is_like = true;
                                $item["type"] = "activity";
                                $item["gravity"] = GRAVITY_LIKE;
@@ -1830,7 +1905,7 @@ class dfrn {
                        } else
                                $is_like = false;
 
-                       if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
+                       if(($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
 
                                $xo = parse_xml_string($item["object"],false);
                                $xt = parse_xml_string($item["target"],false);
@@ -1981,7 +2056,7 @@ class dfrn {
 
                $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
 
-               if ($xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue == "true")
+               if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true")
                        $item["bookmark"] = true;
 
                $notice_info = $xpath->query("statusnet:notice_info", $entry);
@@ -2019,14 +2094,28 @@ class dfrn {
                $categories = $xpath->query("atom:category", $entry);
                if ($categories) {
                        foreach ($categories AS $category) {
-                               foreach($category->attributes AS $attributes)
-                                       if ($attributes->name == "term") {
+                               $term = "";
+                               $scheme = "";
+                               foreach($category->attributes AS $attributes) {
+                                       if ($attributes->name == "term")
                                                $term = $attributes->textContent;
+
+                                       if ($attributes->name == "scheme")
+                                               $scheme = $attributes->textContent;
+                               }
+
+                               if (($term != "") AND ($scheme != "")) {
+                                       $parts = explode(":", $scheme);
+                                       if ((count($parts) >= 4) AND (array_shift($parts) == "X-DFRN")) {
+                                               $termhash = array_shift($parts);
+                                               $termurl = implode(":", $parts);
+
                                                if(strlen($item["tag"]))
                                                        $item["tag"] .= ",";
 
-                                               $item["tag"] .= "#[url=".App::get_baseurl()."/search?tag=".$term."]".$term."[/url]";
+                                               $item["tag"] .= $termhash."[url=".$termurl."]".$term."[/url]";
                                        }
+                               }
                        }
                }
 
@@ -2163,7 +2252,7 @@ class dfrn {
 
                                if($posted_id AND $parent AND ($entrytype == DFRN_REPLY_RC)) {
                                        logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
-                                       proc_run("php", "include/notifier.php", "comment-import", $posted_id);
+                                       proc_run(PRIORITY_HIGH, "include/notifier.php", "comment-import", $posted_id);
                                }
 
                                return true;
@@ -2244,15 +2333,17 @@ class dfrn {
                        else
                                return;
 
-                       if($item["object-type"] === ACTIVITY_OBJ_EVENT) {
+                       if($item["object-type"] == ACTIVITY_OBJ_EVENT) {
                                logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
                                event_delete($item["event-id"]);
                        }
 
-                       if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
+                       if(($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
+
                                $xo = parse_xml_string($item["object"],false);
                                $xt = parse_xml_string($item["target"],false);
-                               if($xt->type === ACTIVITY_OBJ_NOTE) {
+
+                               if($xt->type == ACTIVITY_OBJ_NOTE) {
                                        $i = q("SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
                                                dbesc($xt->id),
                                                intval($importer["importer_uid"])
@@ -2332,7 +2423,7 @@ class dfrn {
 
                                if($entrytype == DFRN_REPLY_RC) {
                                        logger("Notifying followers about deletion of post ".$item["id"], LOGGER_DEBUG);
-                                       proc_run("php", "include/notifier.php","drop", $item["id"]);
+                                       proc_run(PRIORITY_HIGH, "include/notifier.php","drop", $item["id"]);
                                }
                        }
                }