]> git.mxchange.org Git - friendica.git/blobdiff - mod/dfrn_notify.php
linkify hash tags
[friendica.git] / mod / dfrn_notify.php
index 1164bafe39ccf0029512018478caa956fc627949..745223dd7f5348f52b81d8a2a7816d8ded7d6f12 100644 (file)
@@ -7,8 +7,16 @@ require_once('include/items.php');
 function dfrn_notify_post(&$a) {
 
        $dfrn_id = notags(trim($_POST['dfrn_id']));
+       $dfrn_version = (float) $_POST['dfrn_version'];
        $challenge = notags(trim($_POST['challenge']));
        $data = $_POST['data'];
+
+       $direction = (-1);
+       if(strpos($dfrn_id,':') == 1) {
+               $direction = intval(substr($dfrn_id,0,1));
+               $dfrn_id = substr($dfrn_id,2);
+       }
+
        $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
                dbesc($dfrn_id),
                dbesc($challenge)
@@ -23,20 +31,51 @@ function dfrn_notify_post(&$a) {
 
        // find the local user who owns this relationship.
 
+       $sql_extra = '';
+       switch($direction) {
+               case (-1):
+                       $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
+                       break;
+               case 0:
+                       $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+                       break;
+               case 1:
+                       $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+                       break;
+               default:
+                       xml_status(3);
+                       break; // NOTREACHED
+       }
+                
+
        $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`, `user`.* FROM `contact` 
                LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` 
-               WHERE ( `issued-id` = '%s' OR ( `duplex` = 1 AND `dfrn-id` = '%s' )) LIMIT 1",
-               dbesc($dfrn_id),
-               dbesc($dfrn_id)
+               WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
+               AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
+               dbesc($a->argv[1])
        );
 
        if(! count($r)) {
                xml_status(3);
-               return; //NOTREACHED
+               //NOTREACHED
        }
 
        $importer = $r[0];
 
+
+       if($importer['readonly']) {
+               // We aren't receiving stuff from this person. But we will quietly ignore them
+               // rather than a blatant "go away" message.
+               xml_status(0);
+               //NOTREACHED
+       }
+
+       // Consume notification feed. This may differ from consuming a public feed in several ways
+       // - might contain email
+       // - might contain remote followup to our message
+       //              - in which case we need to accept it and then notify other conversants
+       // - we may need to send various email notifications
+
        $feed = new SimplePie();
        $feed->set_raw_data($data);
        $feed->enable_order_by_date(false);
@@ -47,13 +86,6 @@ function dfrn_notify_post(&$a) {
        $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
        if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
 
-               if($importer['readonly']) {
-                       // We aren't receiving email from this person. But we will quietly ignore them
-                       // rather than a blatant "go away" message.
-                       xml_status(0);
-                       return; //NOTREACHED
-               }
-
                $ismail = true;
                $base = $rawmail[0]['child'][NAMESPACE_DFRN];
 
@@ -81,35 +113,41 @@ function dfrn_notify_post(&$a) {
 
                require_once('bbcode.php');
                if($importer['notify-flags'] & NOTIFY_MAIL) {
-                       $tpl = file_get_contents('view/mail_received_eml.tpl');                 
+
+                       $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8');
+
+                       if(function_exists('quoted_printable_encode'))
+                               $body = quoted_printable_encode($body);
+                       else
+                               $body = qp($body);
+
+                       $tpl = load_view_file('view/mail_received_eml.tpl');                    
                        $email_tpl = replace_macros($tpl, array(
                                '$sitename' => $a->config['sitename'],
                                '$siteurl' =>  $a->get_baseurl(),
                                '$username' => $importer['username'],
                                '$email' => $importer['email'],
                                '$from' => $msg['from-name'],
-                               '$title' => $msg['title'],
-                               '$body' => strip_tags(bbcode($msg['body']))
+                               '$title' => stripslashes($msg['title']),
+                               '$body' => $body
                        ));
 
-                       $res = mail($importer['email'], t("New mail received at ") . $a->config['sitename'],
-                               $email_tpl,t("From: Administrator@") . $a->get_hostname() );
+                       $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
+                               $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
+                                       . 'MIME-Version: 1.0' . "\r\n"
+                                       . 'Content-type: text/plain; charset=UTF-8' . "\r\n" 
+                                       . 'Content-transfer-encoding: quoted-printable' . "\r\n"
+                       );
                }
                xml_status(0);
-               return; // NOTREACHED
+               // NOTREACHED
        }       
 
-       if($importer['readonly']) {
-
-               xml_status(0);
-               return; // NOTREACHED
-       }
-
        foreach($feed->get_items() as $item) {
 
                $deleted = false;
 
-               $rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
+               $rawdelete = $item->get_item_tags( NAMESPACE_TOMB , 'deleted-entry');
                if(isset($rawdelete[0]['attribs']['']['ref'])) {
                        $uri = $rawthread[0]['attribs']['']['ref'];
                        $deleted = true;
@@ -153,7 +191,7 @@ function dfrn_notify_post(&$a) {
                                                );
                                                // who is the last child now? 
                                                $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
-                                                       ORDER BY `edited` DESC LIMIT 1",
+                                                       ORDER BY `created` DESC LIMIT 1",
                                                                dbesc($item['parent-uri']),
                                                                intval($importer['importer_uid'])
                                                );
@@ -170,22 +208,26 @@ function dfrn_notify_post(&$a) {
 
                $is_reply = false;              
                $item_id = $item->get_id();
-               $rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
+               $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
                if(isset($rawthread[0]['attribs']['']['ref'])) {
                        $is_reply = true;
                        $parent_uri = $rawthread[0]['attribs']['']['ref'];
                }
 
-
                if($is_reply) {
                        if($feed->get_item_quantity() == 1) {
                                // remote reply to our post. Import and then notify everybody else.
-                               $datarray = get_atom_elements($item);
+                               $datarray = get_atom_elements($feed,$item);
                                $datarray['type'] = 'remote-comment';
+                               $datarray['wall'] = 1;
                                $datarray['parent-uri'] = $parent_uri;
                                $datarray['uid'] = $importer['importer_uid'];
                                $datarray['contact-id'] = $importer['id'];
-                               $posted_id = post_remote($a,$datarray);
+                               if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
+                                       $datarray['type'] = 'activity';
+                                       $datarray['gravity'] = GRAVITY_LIKE;
+                               }
+                               $posted_id = item_store($datarray);
 
                                if($posted_id) {
                                        $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
@@ -205,30 +247,33 @@ function dfrn_notify_post(&$a) {
                                                        intval($posted_id)
                                        );
 
-                                       $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
-
-                                       proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &", 
-                                               array(),$foo));
-
-                                       if(($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
-                                               require_once('bbcode.php');
-                                               $from = stripslashes($datarray['author-name']);
-                                               $tpl = file_get_contents('view/cmnt_received_eml.tpl');                 
-                                               $email_tpl = replace_macros($tpl, array(
-                                                       '$sitename' => $a->config['sitename'],
-                                                       '$siteurl' =>  $a->get_baseurl(),
-                                                       '$username' => $importer['username'],
-                                                       '$email' => $importer['email'],
-                                                       '$from' => $from,
-                                               '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
-                                               ));
-
-                                               $res = mail($importer['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
-                                                       $email_tpl,t("From: Administrator@") . $a->get_hostname() );
+                                       if($datarray['type'] == 'remote-comment') {
+                                               $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+
+                                               proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &", 
+                                                       array(),$foo));
+
+                                               if(($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
+                                                       require_once('bbcode.php');
+                                                       $from = stripslashes($datarray['author-name']);
+                                                       $tpl = load_view_file('view/cmnt_received_eml.tpl');                    
+                                                       $email_tpl = replace_macros($tpl, array(
+                                                               '$sitename' => $a->config['sitename'],
+                                                               '$siteurl' =>  $a->get_baseurl(),
+                                                               '$username' => $importer['username'],
+                                                               '$email' => $importer['email'],
+                                                               '$display' => $a->get_baseurl() . '/display/' . $posted_id, 
+                                                               '$from' => $from,
+                                                       '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
+                                                       ));
+       
+                                                       $res = mail($importer['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
+                                                               $email_tpl,t("From: Administrator@") . $a->get_hostname() );
+                                               }
                                        }
                                }
                                xml_status(0);
-                               return;
+                               // NOTREACHED
 
                        }
                        else {
@@ -253,15 +298,20 @@ function dfrn_notify_post(&$a) {
                                        }
                                        continue;
                                }
-                               $datarray = get_atom_elements($item);
+                               $datarray = get_atom_elements($feed,$item);
                                $datarray['parent-uri'] = $parent_uri;
                                $datarray['uid'] = $importer['importer_uid'];
                                $datarray['contact-id'] = $importer['id'];
-                               $r = post_remote($a,$datarray);
+                               if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
+                                       $datarray['type'] = 'activity';
+                                       $datarray['gravity'] = GRAVITY_LIKE;
+                               }
+
+                               $r = item_store($datarray);
 
                                // find out if our user is involved in this conversation and wants to be notified.
                        
-                               if($importer['notify-flags'] & NOTIFY_COMMENT) {
+                               if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
 
                                        $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d",
                                                dbesc($parent_uri),
@@ -273,13 +323,14 @@ function dfrn_notify_post(&$a) {
                                                                continue;
                                                        require_once('bbcode.php');
                                                        $from = stripslashes($datarray['author-name']);
-                                                       $tpl = file_get_contents('view/cmnt_received_eml.tpl');                 
+                                                       $tpl = load_view_file('view/cmnt_received_eml.tpl');                    
                                                        $email_tpl = replace_macros($tpl, array(
                                                                '$sitename' => $a->config['sitename'],
                                                                '$siteurl' =>  $a->get_baseurl(),
                                                                '$username' => $importer['username'],
                                                                '$email' => $importer['email'],
                                                                '$from' => $from,
+                                                               '$display' => $a->get_baseurl() . '/display' . $r,
                                                                '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
                                                        ));
 
@@ -315,19 +366,17 @@ function dfrn_notify_post(&$a) {
                        }
 
 
-                       $datarray = get_atom_elements($item);
+                       $datarray = get_atom_elements($feed,$item);
                        $datarray['parent-uri'] = $item_id;
                        $datarray['uid'] = $importer['importer_uid'];
                        $datarray['contact-id'] = $importer['id'];
-                       $r = post_remote($a,$datarray);
+                       $r = item_store($datarray);
                        continue;
-
                }
-       
        }
 
        xml_status(0);
-       killme();
+       // NOTREACHED
 
 }
 
@@ -335,7 +384,20 @@ function dfrn_notify_post(&$a) {
 function dfrn_notify_content(&$a) {
 
        if(x($_GET,'dfrn_id')) {
-               // initial communication from external contact
+
+               // initial communication from external contact, $direction is their direction.
+               // If this is a duplex communication, ours will be the opposite.
+
+               $dfrn_id = notags(trim($_GET['dfrn_id']));
+               $dfrn_version = (float) $_GET['dfrn_version'];
+
+
+               $direction = (-1);
+               if(strpos($dfrn_id,':') == 1) {
+                       $direction = intval(substr($dfrn_id,0,1));
+                       $dfrn_id = substr($dfrn_id,2);
+               }
+
                $hash = random_string();
 
                $status = 0;
@@ -345,23 +407,43 @@ function dfrn_notify_content(&$a) {
                $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
                        VALUES( '%s', '%s', '%s') ",
                        dbesc($hash),
-                       dbesc(notags(trim($_GET['dfrn_id']))),
+                       dbesc($dfrn_id),
                        intval(time() + 60 )
                );
 
-               $r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `duplex` = 1 AND `dfrn-id` = '%s'))
-                       AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
-                       dbesc($_GET['dfrn_id']),
-                       dbesc($_GET['dfrn_id'])
+
+               $sql_extra = '';
+               switch($direction) {
+                       case (-1):
+                               $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
+                               $my_id = $dfrn_id;
+                               break;
+                       case 0:
+                               $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+                               $my_id = '1:' . $dfrn_id;
+                               break;
+                       case 1:
+                               $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+                               $my_id = '0:' . $dfrn_id;
+                               break;
+                       default:
+                               $status = 1;
+                               break; // NOTREACHED
+               }
+
+               $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` 
+                               WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
+                               dbesc($a->argv[1])
                );
+
                if(! count($r))
                        $status = 1;
 
                $challenge = '';
                $encrypted_id = '';
-               $id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
+               $id_str = $my_id . '.' . mt_rand(1000,9999);
 
-               if(($r[0]['duplex']) && strlen($r[0]['pubkey'])) {
+               if((($r[0]['duplex']) && strlen($r[0]['pubkey'])) || (! strlen($r[0]['prvkey']))) {
                        openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
                        openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
                }
@@ -373,10 +455,17 @@ function dfrn_notify_content(&$a) {
                $challenge    = bin2hex($challenge);
                $encrypted_id = bin2hex($encrypted_id);
 
-               echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_version>2.0</dfrn_version><dfrn_id>' . $encrypted_id . '</dfrn_id>' . '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
-               session_write_close();
-               exit;
-               
+               header("Content-type: text/xml");
+
+               echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n" 
+                       . '<dfrn_notify>' . "\r\n"
+                       . "\t" . '<status>' . $status . '</status>' . "\r\n"
+                       . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
+                       . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n" 
+                       . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
+                       . '</dfrn_notify>' . "\r\n" ;
+
+               killme();
        }
 
-}
\ No newline at end of file
+}