]> git.mxchange.org Git - friendica.git/blobdiff - include/notifier.php
Merge pull request #2172 from tobiasd/20151212-frosticons
[friendica.git] / include / notifier.php
index f54efba31de8101bc5a658e0ece65eec7571651f..ec2b666bede9109304020a3bc3993c66abe7ea03 100644 (file)
@@ -1,39 +1,68 @@
 <?php
-
 require_once("boot.php");
 require_once('include/queue_fn.php');
 require_once('include/html2plain.php');
+require_once("include/Scrape.php");
+require_once('include/diaspora.php');
+require_once("include/ostatus.php");
 
 /*
  * This file was at one time responsible for doing all deliveries, but this caused
- * big problems on shared hosting systems, where the process might get killed by the 
- * hosting provider and nothing would get delivered. 
+ * big problems on shared hosting systems, where the process might get killed by the
+ * hosting provider and nothing would get delivered.
  * It now only delivers one message under certain cases, and invokes a queued
- * delivery mechanism (include/deliver.php) to deliver individual contacts at 
+ * delivery mechanism (include/deliver.php) to deliver individual contacts at
  * controlled intervals.
  * This has a much better chance of surviving random processes getting killed
- * by the hosting provider. 
+ * by the hosting provider.
  * A lot of this code is duplicated in include/deliver.php until we have time to go back
- * and re-structure the delivery procedure based on the obstacles that have been thrown at 
- * us by hosting providers. 
+ * and re-structure the delivery procedure based on the obstacles that have been thrown at
+ * us by hosting providers.
+ */
+
+/*
+ * The notifier is typically called with:
+ *
+ *             proc_run('php', "include/notifier.php", COMMAND, ITEM_ID);
+ *
+ * where COMMAND is one of the following:
+ *
+ *             activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
+ *             comment-import                  (in diaspora.php, items.php)
+ *             comment-new                             (in item.php)
+ *             drop                                    (in diaspora.php, items.php, photos.php)
+ *             edit_post                               (in item.php)
+ *             event                                   (in events.php)
+ *             expire                                  (in items.php)
+ *             like                                    (in like.php, poke.php)
+ *             mail                                    (in message.php)
+ *             suggest                                 (in fsuggest.php)
+ *             tag                                             (in photos.php, poke.php, tagger.php)
+ *             tgroup                                  (in items.php)
+ *             wall-new                                (in photos.php, item.php)
+ *             removeme                                (in Contact.php)
+ *             relocate                                (in uimport.php)
+ *
+ * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  */
 
-function notifier_run($argv, $argc){
+
+function notifier_run(&$argv, &$argc){
        global $a, $db;
 
        if(is_null($a)){
                $a = new App;
        }
-  
+
        if(is_null($db)) {
                @include(".htconfig.php");
-               require_once("dba.php");
+               require_once("include/dba.php");
                $db = new dba($db_host, $db_user, $db_pass, $db_data);
-                       unset($db_host, $db_user, $db_pass, $db_data);
+                       unset($db_host, $db_user, $db_pass, $db_data);
        }
 
-       require_once("session.php");
-       require_once("datetime.php");
+       require_once("include/session.php");
+       require_once("include/datetime.php");
        require_once('include/items.php');
        require_once('include/bbcode.php');
        require_once('include/email.php');
@@ -64,6 +93,7 @@ function notifier_run($argv, $argc){
        $expire = false;
        $mail = false;
        $fsuggest = false;
+       $relocate = false;
        $top_level = false;
        $recipients = array();
        $url_recipients = array();
@@ -87,7 +117,7 @@ function notifier_run($argv, $argc){
        elseif($cmd === 'expire') {
                $normal_mode = false;
                $expire = true;
-               $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1 
+               $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
                        AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
                        intval($item_id)
                );
@@ -108,9 +138,31 @@ function notifier_run($argv, $argc){
                $uid = $suggest[0]['uid'];
                $recipients[] = $suggest[0]['cid'];
                $item = $suggest[0];
-       }
-       else {
+       } elseif($cmd === 'removeme') {
+               $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($item_id));
+               if (! $r)
+                       return;
+
+               $user = $r[0];
+               $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($item_id));
+               if (! $r)
+                       return;
 
+               $self = $r[0];
+               $r = q("SELECT * FROM `contact` WHERE `self` = 0 AND `uid` = %d", intval($item_id));
+               if(! $r)
+                       return;
+
+               require_once('include/Contact.php');
+               foreach($r as $contact) {
+                       terminate_friendship($user, $self, $contact);
+               }
+               return;
+       } elseif($cmd === 'relocate') {
+               $normal_mode = false;
+               $relocate = true;
+               $uid = $item_id;
+       } else {
                // find ancestors
                $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
                        intval($item_id)
@@ -129,7 +181,7 @@ function notifier_run($argv, $argc){
                if(! $parent_id)
                        return;
 
-               $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer` 
+               $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
                        FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
                        intval($parent_id)
                );
@@ -152,10 +204,10 @@ function notifier_run($argv, $argc){
 
        }
 
-       $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`, 
-               `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, 
+       $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
+               `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
                `user`.`page-flags`, `user`.`prvnets`
-               FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` 
+               FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
                WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
                intval($uid)
        );
@@ -172,15 +224,23 @@ function notifier_run($argv, $argc){
        // If this is a public conversation, notify the feed hub
        $public_message = true;
 
+       // Do a PuSH
+       $push_notify = false;
+
        // fill this in with a single salmon slap if applicable
        $slap = '';
 
-       if(! ($mail || $fsuggest)) {
+       if(! ($mail || $fsuggest || $relocate)) {
 
                require_once('include/group.php');
 
                $parent = $items[0];
 
+               $thr_parent = q("SELECT `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
+                       dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
+
+               logger('Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
+
                // This is IMPORTANT!!!!
 
                // We will only send a "notify owner to relay" or followup message if the referenced post
@@ -189,31 +249,31 @@ function notifier_run($argv, $argc){
 
                // if $parent['wall'] == 1 we will already have the parent message in our array
                // and we will relay the whole lot.
+
                // expire sends an entire group of expire messages and cannot be forwarded.
-               // However the conversation owner will be a part of the conversation and will 
+               // However the conversation owner will be a part of the conversation and will
                // be notified during this run.
                // Other DFRN conversation members will be alerted during polled updates.
 
 
 
                // Diaspora members currently are not notified of expirations, and other networks have
-               // either limited or no ability to process deletions. We should at least fix Diaspora 
+               // either limited or no ability to process deletions. We should at least fix Diaspora
                // by stringing togther an array of retractions and sending them onward.
-                
-       
+
+
                $localhost = str_replace('www.','',$a->get_hostname());
                if(strpos($localhost,':'))
                        $localhost = substr($localhost,0,strpos($localhost,':'));
 
                /**
                 *
-                * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes 
-                * have been known to cause runaway conditions which affected several servers, along with 
-                * permissions issues. 
+                * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
+                * have been known to cause runaway conditions which affected several servers, along with
+                * permissions issues.
                 *
                 */
+
                $relay_to_owner = false;
 
                if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
@@ -222,8 +282,8 @@ function notifier_run($argv, $argc){
 
 
                if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
-                       $relay_to_owner = true;                 
-               } 
+                       $relay_to_owner = true;
+               }
 
                // until the 'origin' flag has been in use for several months
                // we will just use it as a fallback test
@@ -235,18 +295,45 @@ function notifier_run($argv, $argc){
                if($parent['origin'])
                        $relay_to_owner = false;
 
-
-
                if($relay_to_owner) {
-                       logger('notifier: followup', LOGGER_DEBUG);
+                       logger('notifier: followup '.$target_item["guid"], LOGGER_DEBUG);
                        // local followup to remote post
                        $followup = true;
                        $public_message = false; // not public
                        $conversant_str = dbesc($parent['contact-id']);
-               }
-               else {
+                       $recipients = array($parent['contact-id']);
+
+                       if (!$target_item['private'] AND $target_item['wall'] AND
+                               (strlen($target_item['allow_cid'].$target_item['allow_gid'].
+                                       $target_item['deny_cid'].$target_item['deny_gid']) == 0))
+                               $push_notify = true;
+
+                       // We notify Friendica users in the thread when it is an OStatus thread.
+                       // Hopefully this transfers the messages to the other Friendica servers. (Untested)
+                       if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
+
+                               $push_notify = true;
+
+                               if ($parent["network"] == NETWORK_OSTATUS) {
+                                       $r = q("SELECT `author-link` FROM `item` WHERE `parent` = %d AND `author-link` != '%s'",
+                                               intval($target_item["parent"]), dbesc($owner['url']));
+                                       foreach($r as $parent_item) {
+                                               $probed_contact = probe_url($parent_item["author-link"]);
+                                               if (($probed_contact["notify"] != "") AND ($probed_contact["network"] == NETWORK_DFRN)) {
+                                                       logger('Notify Friendica user '.$probed_contact["url"].': '.$probed_contact["notify"]);
+                                                       $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
+                                               }
+                                       }
+                               }
+
+                               if (count($url_recipients))
+                                       logger("url_recipients ".print_r($url_recipients,true));
+                       }
+               } else {
                        $followup = false;
 
+                       logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
+
                        // don't send deletions onward for other people's stuff
 
                        if($target_item['deleted'] && (! intval($target_item['wall']))) {
@@ -254,15 +341,15 @@ function notifier_run($argv, $argc){
                                return;
                        }
 
-                       if((strlen($parent['allow_cid'])) 
-                               || (strlen($parent['allow_gid'])) 
-                               || (strlen($parent['deny_cid'])) 
+                       if((strlen($parent['allow_cid']))
+                               || (strlen($parent['allow_gid']))
+                               || (strlen($parent['deny_cid']))
                                || (strlen($parent['deny_gid']))) {
                                $public_message = false; // private recipients, not public
                        }
 
                        $allow_people = expand_acl($parent['allow_cid']);
-                       $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
+                       $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
                        $deny_people  = expand_acl($parent['deny_cid']);
                        $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 
@@ -270,7 +357,7 @@ function notifier_run($argv, $argc){
                        // a delivery fork. private groups (forum_mode == 2) do not uplink
 
                        if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
-                               proc_run('php','include/notifier','uplink',$item_id);
+                               proc_run('php','include/notifier.php','uplink',$item_id);
                        }
 
                        $conversants = array();
@@ -293,7 +380,8 @@ function notifier_run($argv, $argc){
                                }
                        }
 
-                       logger('notifier: url_recipients' . print_r($url_recipients,true));
+                       if (count($url_recipients))
+                               logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 
                        $conversants = array_unique($conversants);
 
@@ -305,7 +393,32 @@ function notifier_run($argv, $argc){
                        $conversant_str = dbesc(implode(', ',$conversants));
                }
 
-               $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
+               // If the thread parent is OStatus then do some magic to distribute the messages.
+               // We have not only to look at the parent, since it could be a Friendica thread.
+               if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
+
+                       logger('Some parent is OStatus for '.$target_item["guid"], LOGGER_DEBUG);
+
+                       // Send a salmon notification to every person we mentioned in the post
+                       $arr = explode(',',$target_item['tag']);
+                       foreach($arr as $x) {
+                               //logger('Checking tag '.$x, LOGGER_DEBUG);
+                               $matches = null;
+                               if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
+                                               $probed_contact = probe_url($matches[1]);
+                                       if ($probed_contact["notify"] != "") {
+                                               logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
+                                               $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
+                                       }
+                               }
+                       }
+
+                       // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
+                       $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
+               } else
+                       $sql_extra = "";
+
+               $r = q("SELECT * FROM `contact` WHERE `id` IN ($conversant_str) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0".$sql_extra);
 
                if(count($r))
                        $contacts = $r;
@@ -358,8 +471,7 @@ function notifier_run($argv, $argc){
                        '$content'      => xmlify($body),
                        '$parent_id'    => xmlify($item['parent-uri'])
                ));
-       }
-       elseif($fsuggest) {
+       } elseif($fsuggest) {
                $public_message = false;  // suggestions are not public
 
                $sugg_template = get_markup_template('atom_suggest.tpl');
@@ -378,20 +490,60 @@ function notifier_run($argv, $argc){
                        intval($item['id'])
                );
 
-       }
-       else {
+       } elseif($relocate) {
+               $public_message = false;  // suggestions are not public
+
+               $sugg_template = get_markup_template('atom_relocate.tpl');
+
+               /* get site pubkey. this could be a new installation with no site keys*/
+               $pubkey = get_config('system','site_pubkey');
+               if(! $pubkey) {
+                       $res = new_keypair(1024);
+                       set_config('system','site_prvkey', $res['prvkey']);
+                       set_config('system','site_pubkey', $res['pubkey']);
+               }
+
+               $rp = q("SELECT `resource-id` , `scale`, type FROM `photo` 
+                                               WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
+               $photos = array();
+               $ext = Photo::supportedTypes();
+               foreach($rp as $p){
+                       $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
+               }
+               unset($rp, $ext);
+
+               $atom .= replace_macros($sugg_template, array(
+                                       '$name' => xmlify($owner['name']),
+                                       '$photo' => xmlify($photos[4]),
+                                       '$thumb' => xmlify($photos[5]),
+                                       '$micro' => xmlify($photos[6]),
+                                       '$url' => xmlify($owner['url']),
+                                       '$request' => xmlify($owner['request']),
+                                       '$confirm' => xmlify($owner['confirm']),
+                                       '$notify' => xmlify($owner['notify']),
+                                       '$poll' => xmlify($owner['poll']),
+                                       '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
+                                       //'$pubkey' => xmlify($owner['pubkey']),
+                                       //'$prvkey' => xmlify($owner['prvkey']),
+                       ));
+               $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
+               unset($photos);
+       } else {
+
+               $slap = ostatus_salmon($target_item,$owner);
+               //$slap = atom_entry($target_item,'html',null,$owner,false);
+
                if($followup) {
                        foreach($items as $item) {  // there is only one item
                                if(! $item['parent'])
                                        continue;
                                if($item['id'] == $item_id) {
                                        logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
-                                       $slap  = atom_entry($item,'html',null,$owner,false);
+                                       //$slap  = atom_entry($item,'html',null,$owner,false);
                                        $atom .= atom_entry($item,'text',null,$owner,false);
                                }
                        }
-               }
-               else {
+               } else {
                        foreach($items as $item) {
 
                                if(! $item['parent'])
@@ -415,12 +567,12 @@ function notifier_run($argv, $argc){
 
                                    if($item_id == $item['id'] || $item['id'] == $item['parent'])
                                                $atom .= atom_entry($item,'text',null,$owner,true);
-                               }
-                               else
+                               } else
                                        $atom .= atom_entry($item,'text',null,$owner,true);
 
-                               if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire)) 
-                                       $slaps[] = atom_entry($item,'html',null,$owner,true);
+                               if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
+                                       $slaps[] = ostatus_salmon($item,$owner);
+                                       //$slaps[] = atom_entry($item,'html',null,$owner,true);
                        }
                }
        }
@@ -435,8 +587,8 @@ function notifier_run($argv, $argc){
        $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 
        if(! $mail_disabled) {
-               if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid'])) 
-                       && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid'])) 
+               if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
+                       && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
                        && (intval($target_item['pubmail']))) {
                        $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
                                intval($uid),
@@ -454,21 +606,28 @@ function notifier_run($argv, $argc){
        else
                $recip_str = implode(', ', $recipients);
 
-       $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
-               dbesc($recip_str)
-       );
+       if ($relocate)
+               $r = $recipients_relocate;
+       else
+               $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
+                       dbesc($recip_str)
+               );
 
 
        require_once('include/salmon.php');
 
        $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 
+       // If we are using the worker we don't need a delivery interval
+       if (get_config("system", "worker"))
+               $interval = false;
+
        // delivery loop
 
        if(count($r)) {
 
                foreach($r as $contact) {
-                       if((! $mail) && (! $fsuggest) && (! $followup) && (! $contact['self'])) {
+                       if((! $mail) && (! $fsuggest) && (! $followup) && (!$relocate) && (! $contact['self'])) {
                                if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
                                        continue;
                                q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
@@ -482,16 +641,18 @@ function notifier_run($argv, $argc){
 
                // This controls the number of deliveries to execute with each separate delivery process.
                // By default we'll perform one delivery per process. Assuming a hostile shared hosting
-               // provider, this provides the greatest chance of deliveries if processes start getting 
-               // killed. We can also space them out with the delivery_interval to also help avoid them 
+               // provider, this provides the greatest chance of deliveries if processes start getting
+               // killed. We can also space them out with the delivery_interval to also help avoid them
                // getting whacked.
 
-               // If $deliveries_per_process > 1, we will chain this number of multiple deliveries 
-               // together into a single process. This will reduce the overall number of processes 
-               // spawned for each delivery, but they will run longer. 
+               // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
+               // together into a single process. This will reduce the overall number of processes
+               // spawned for each delivery, but they will run longer.
+
+               // When using the workerqueue, we don't need this functionality.
 
                $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
-               if($deliveries_per_process <= 0)
+               if (($deliveries_per_process <= 0) OR get_config("system", "worker"))
                        $deliveries_per_process = 1;
 
                $this_batch = array();
@@ -502,10 +663,12 @@ function notifier_run($argv, $argc){
                        if($contact['self'])
                                continue;
 
+                       logger("Deliver ".$target_item["guid"]." to ".$contact['url'], LOGGER_DEBUG);
+
                        // potentially more than one recipient. Start a new process and space them out a bit.
-                       // we will deliver single recipient types of message and email recipients here. 
-               
-                       if((! $mail) && (! $fsuggest) && (! $followup)) {
+                       // we will deliver single recipient types of message and email recipients here.
+
+                       if((! $mail) && (! $fsuggest) && (!$relocate) && (! $followup)) {
 
                                $this_batch[] = $contact['id'];
 
@@ -517,10 +680,14 @@ function notifier_run($argv, $argc){
                                }
                                continue;
                        }
+                       // be sure to pick up any stragglers
+                       if(count($this_batch))
+                               proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
+
 
                        $deliver_status = 0;
 
-                       logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest");
+                       logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 
                        switch($contact['network']) {
                                case NETWORK_DFRN:
@@ -537,28 +704,28 @@ function notifier_run($argv, $argc){
                                                else
                                                        $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 
-                                               $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`, 
-                                                       `contact`.`pubkey` AS `cpubkey`, 
-                                                       `contact`.`prvkey` AS `cprvkey`, 
-                                                       `contact`.`thumb` AS `thumb`, 
+                                               $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
+                                                       `contact`.`pubkey` AS `cpubkey`,
+                                                       `contact`.`prvkey` AS `cprvkey`,
+                                                       `contact`.`thumb` AS `thumb`,
                                                        `contact`.`url` as `url`,
                                                        `contact`.`name` as `senderName`,
-                                                       `user`.* 
-                                                       FROM `contact` 
-                                                       LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` 
+                                                       `user`.*
+                                                       FROM `contact`
+                                                       INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
                                                        WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
                                                        AND `contact`.`pending` = 0
                                                        AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
                                                        $sql_extra
-                                                       AND `user`.`account_expired` = 0 LIMIT 1",
+                                                       AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
                                                        dbesc(NETWORK_DFRN),
                                                        dbesc($nickname)
                                                );
 
-                                               if(count($x)) {
-
-                                                       if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
-                                                               q("update contact set writable = 1 where id = %d limit 1",
+                                               if($x && count($x)) {
+                                                       $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
+                                                       if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
+                                                               q("update contact set writable = 1 where id = %d",
                                                                        intval($x[0]['id'])
                                                                );
                                                                $x[0]['writable'] = 1;
@@ -566,29 +733,27 @@ function notifier_run($argv, $argc){
 
                                                        // if contact's ssl policy changed, which we just determined
                                                        // is on our own server, update our contact links
-                                                       
+
                                                        $ssl_policy = get_config('system','ssl_policy');
                                                        fix_contact_ssl_policy($x[0],$ssl_policy);
 
-                                                       // If we are setup as a soapbox we aren't accepting input from this person
+                                                       // If we are setup as a soapbox we aren't accepting top level posts from this person
 
-                                                       if($x[0]['page-flags'] == PAGE_SOAPBOX)
+                                                       if (($x[0]['page-flags'] == PAGE_SOAPBOX) AND $top_level)
                                                                break;
 
                                                        require_once('library/simplepie/simplepie.inc');
                                                        logger('mod-delivery: local delivery');
                                                        local_delivery($x[0],$atom);
-                                                       break;                                  
+                                                       break;
                                                }
                                        }
 
-
-
                                        logger('notifier: dfrndelivery: ' . $contact['name']);
                                        $deliver_status = dfrn_deliver($owner,$contact,$atom);
 
                                        logger('notifier: dfrn_delivery returns ' . $deliver_status);
-       
+
                                        if($deliver_status == (-1)) {
                                                logger('notifier: delivery failed: queuing message');
                                                // queue message for redelivery
@@ -600,25 +765,25 @@ function notifier_run($argv, $argc){
                                        // Do not send to ostatus if we are not configured to send to public networks
                                        if($owner['prvnets'])
                                                break;
+
                                        if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
                                                break;
 
                                        if($followup && $contact['notify']) {
-                                               logger('notifier: slapdelivery: ' . $contact['name']);
+                                               logger('slapdelivery followup item '.$item_id.' to ' . $contact['name']);
                                                $deliver_status = slapper($owner,$contact['notify'],$slap);
 
                                                if($deliver_status == (-1)) {
                                                        // queue message for redelivery
                                                        add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
                                                }
-                                       }
-                                       else {
+                                       } else {
 
                                                // only send salmon if public - e.g. if it's ok to notify
                                                // a public hub, it's ok to send a salmon
 
                                                if((count($slaps)) && ($public_message) && (! $expire)) {
-                                                       logger('notifier: slapdelivery: ' . $contact['name']);
+                                                       logger('slapdelivery item '.$item_id.' to ' . $contact['name']);
                                                        foreach($slaps as $slappy) {
                                                                if($contact['notify']) {
                                                                        $deliver_status = slapper($owner,$contact['notify'],$slappy);
@@ -634,7 +799,7 @@ function notifier_run($argv, $argc){
 
                                case NETWORK_MAIL:
                                case NETWORK_MAIL2:
-                                               
+
                                        if(get_config('system','dfrn_only'))
                                                break;
 
@@ -659,7 +824,7 @@ function notifier_run($argv, $argc){
                                                }
                                                if(! $it)
                                                        break;
-                                               
+
 
 
                                                $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
@@ -667,7 +832,7 @@ function notifier_run($argv, $argc){
                                                );
                                                if(! count($local_user))
                                                        break;
-                                               
+
                                                $reply_to = '';
                                                $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
                                                        intval($uid)
@@ -678,29 +843,43 @@ function notifier_run($argv, $argc){
                                                $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 
                                                // only expose our real email address to true friends
-
                                                if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
-                                                       $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
+                                                       if($reply_to) {
+                                                               $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
+                                                               $headers .= 'Sender: '.$local_user[0]['email']."\n";
+                                                       } else
+                                                               $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
                                                else
                                                        $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 
-                                               if($reply_to)
-                                                       $headers .= 'Reply-to: ' . $reply_to . "\n";
-
-                                               // for testing purposes: Collect exported mails
-                                               //$file = tempnam("/tmp/friendica/", "mail-out2-");
-                                               //file_put_contents($file, json_encode($it));
+                                               //if($reply_to)
+                                               //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 
                                                $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 
                                                if($it['uri'] !== $it['parent-uri']) {
-                                                       $headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
-                                                       if(!strlen($it['title'])) {
-                                                               $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
-                                                                       dbesc($it['parent-uri']));
+                                                       $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 
-                                                               if(count($r) AND ($r[0]['title'] != ''))  
+                                                       // If Threading is enabled, write down the correct parent
+                                                       if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
+                                                               $headers .= " <".iri2msgid($it["thr-parent"]).">";
+                                                       $headers .= "\n";
+
+                                                       if(!$it['title']) {
+                                                               $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                                                                       dbesc($it['parent-uri']),
+                                                                       intval($uid));
+
+                                                               if(count($r) AND ($r[0]['title'] != ''))
                                                                        $subject = $r[0]['title'];
+                                                               else {
+                                                                       $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
+                                                                               dbesc($it['parent-uri']),
+                                                                               intval($uid));
+
+                                                                       if(count($r) AND ($r[0]['title'] != ''))
+                                                                               $subject = $r[0]['title'];
+                                                               }
                                                        }
                                                        if(strncasecmp($subject,'RE:',3))
                                                                $subject = 'Re: '.$subject;
@@ -709,8 +888,6 @@ function notifier_run($argv, $argc){
                                        }
                                        break;
                                case NETWORK_DIASPORA:
-                                       require_once('include/diaspora.php');
-
                                        if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
                                                break;
 
@@ -733,12 +910,17 @@ function notifier_run($argv, $argc){
 
                                        if(! $contact['pubkey'])
                                                break;
-                                       
-                                       if($target_item['verb'] === ACTIVITY_DISLIKE) {
-                                               // unsupported
-                                               break;
+
+                                       $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
+
+                                       //don't transmit activities which are not supported by diaspora
+                                       foreach($unsupported_activities as $act) {
+                                               if(activity_match($target_item['verb'],$act)) {
+                                                       break 2;
+                                               }
                                        }
-                                       elseif(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
+
+                                       if(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
                                                // send both top-level retractions and relayable retractions for owner to relay
                                                diaspora_send_retraction($target_item,$owner,$contact);
                                                break;
@@ -766,15 +948,19 @@ function notifier_run($argv, $argc){
                                case NETWORK_FACEBOOK:
                                        if(get_config('system','dfrn_only'))
                                                break;
+                               case NETWORK_PUMPIO:
+                                       if(get_config('system','dfrn_only'))
+                                               break;
                                default:
                                        break;
                        }
                }
        }
-               
+
        // send additional slaps to mentioned remote tags (@foo@example.com)
 
-       if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
+       //if($slap && count($url_recipients) && ($followup || $top_level) && ($public_message || $push_notify) && (! $expire)) {
+       if($slap && count($url_recipients) && ($public_message || $push_notify) && (!$expire)) {
                if(! get_config('system','dfrn_only')) {
                        foreach($url_recipients as $url) {
                                if($url) {
@@ -789,14 +975,19 @@ function notifier_run($argv, $argc){
 
        if($public_message) {
 
-               $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s' 
+               if (!$followup)
+                       $r0 = diaspora_fetch_relay();
+               else
+                       $r0 = array();
+
+               $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
                        AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
                        dbesc(NETWORK_DIASPORA),
                        intval($owner['uid']),
                        intval(CONTACT_IS_SHARING)
                );
-                       
-               $r2 = q("SELECT `id`, `name`,`network` FROM `contact` 
+
+               $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
                        WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
                        AND `rel` != %d order by rand() ",
                        dbesc(NETWORK_DFRN),
@@ -805,7 +996,7 @@ function notifier_run($argv, $argc){
                        intval(CONTACT_IS_SHARING)
                );
 
-               $r = array_merge($r2,$r1);
+               $r = array_merge($r2,$r1,$r0);
 
                if(count($r)) {
                        logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
@@ -833,7 +1024,7 @@ function notifier_run($argv, $argc){
                                }
 
                                if((! $mail) && (! $fsuggest) && (! $followup)) {
-                                       logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']); 
+                                       logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
                                        proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
                                        if($interval)
                                                @time_sleep_until(microtime(true) + (float) $interval);
@@ -841,23 +1032,40 @@ function notifier_run($argv, $argc){
                        }
                }
 
+               $push_notify = true;
+
+       }
+
 
-               if(strlen($hub)) {
-                       $hubs = explode(',', $hub);
-                       if(count($hubs)) {
-                               foreach($hubs as $h) {
-                                       $h = trim($h);
-                                       if(! strlen($h))
-                                               continue;
-                                       $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
+       if($push_notify AND strlen($hub)) {
+               $hubs = explode(',', $hub);
+               if(count($hubs)) {
+                       foreach($hubs as $h) {
+                               $h = trim($h);
+                               if(! strlen($h))
+                                       continue;
+
+                               if ($h === '[internal]') {
+                                       // Set push flag for PuSH subscribers to this topic,
+                                       // they will be notified in queue.php
+                                       q("UPDATE `push_subscriber` SET `push` = 1 " .
+                                         "WHERE `nickname` = '%s'", dbesc($owner['nickname']));
+
+                                       logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
+
+                               } else {
+
+                                       $params = 'hub.mode=publish&hub.url=' . urlencode( $a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
                                        post_url($h,$params);
-                                       logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
-                                       if(count($hubs) > 1)
-                                               sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
+                                       logger('publish for item '.$item_id.' ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
                                }
+                               if(count($hubs) > 1)
+                                       sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
                        }
                }
 
+               // Handling the pubsubhubbub requests
+               proc_run('php','include/pubsubpublish.php');
        }
 
        // If the item was deleted, clean up the `sign` table
@@ -877,7 +1085,8 @@ function notifier_run($argv, $argc){
        return;
 }
 
+
 if (array_search(__file__,get_included_files())===0){
-  notifier_run($argv,$argc);
-  killme();
+       notifier_run($_SERVER["argv"],$_SERVER["argc"]);
+       killme();
 }