]> git.mxchange.org Git - friendica.git/blobdiff - mod/dfrn_poll.php
removed tabsi, removed some blank lines.
[friendica.git] / mod / dfrn_poll.php
index 13d443341dae048e4ff52c01a4c9f753613b69e8..1e07242875086506355f90822dd338d5122f4fd1 100644 (file)
@@ -1,12 +1,18 @@
 <?php
-require_once('include/items.php');
-require_once('include/auth.php');
-require_once('include/dfrn.php');
-
+/**
+ * @file mod/dfrn_poll.php
+ */
+use Friendica\App;
+use Friendica\Core\Config;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Protocol\DFRN;
+use Friendica\Protocol\OStatus;
+
+require_once 'include/items.php';
+require_once 'include/auth.php';
 
 function dfrn_poll_init(App $a) {
-
-
        $dfrn_id         = ((x($_GET,'dfrn_id'))         ? $_GET['dfrn_id']              : '');
        $type            = ((x($_GET,'type'))            ? $_GET['type']                 : 'data');
        $last_update     = ((x($_GET,'last_update'))     ? $_GET['last_update']          : '');
@@ -17,23 +23,31 @@ function dfrn_poll_init(App $a) {
        $perm            = ((x($_GET,'perm'))            ? $_GET['perm']                 : 'r');
        $quiet                   = ((x($_GET,'quiet'))                   ? true                                                  : false);
 
+       // Possibly it is an OStatus compatible server that requests a user feed
+       if (($a->argc > 1) && ($dfrn_id == '') && !strstr($_SERVER["HTTP_USER_AGENT"], 'Friendica')) {
+               $nickname = $a->argv[1];
+               header("Content-type: application/atom+xml");
+               echo OStatus::feed($a, $nickname, $last_update, 10);
+               killme();
+       }
+
        $direction = (-1);
 
 
-       if (strpos($dfrn_id,':') == 1) {
+       if(strpos($dfrn_id,':') == 1) {
                $direction = intval(substr($dfrn_id,0,1));
                $dfrn_id   = substr($dfrn_id,2);
        }
 
        $hidewall = false;
 
-       if (($dfrn_id === '') && (! x($_POST,'dfrn_id'))) {
-               if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
+       if(($dfrn_id === '') && (! x($_POST,'dfrn_id'))) {
+               if((Config::get('system','block_public')) && (! local_user()) && (! remote_user())) {
                        http_status_exit(403);
                }
 
                $user = '';
-               if ($a->argc > 1) {
+               if($a->argc > 1) {
                        $r = q("SELECT `hidewall`,`nickname` FROM `user` WHERE `user`.`nickname` = '%s' LIMIT 1",
                                dbesc($a->argv[1])
                        );
@@ -47,11 +61,11 @@ function dfrn_poll_init(App $a) {
 
                logger('dfrn_poll: public feed request from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . $user);
                header("Content-type: application/atom+xml");
-               echo dfrn::feed('', $user,$last_update, 0, $hidewall);
+               echo DFRN::feed('', $user,$last_update, 0, $hidewall);
                killme();
        }
 
-       if (($type === 'profile') && (! strlen($sec))) {
+       if(($type === 'profile') && (! strlen($sec))) {
 
                $sql_extra = '';
                switch($direction) {
@@ -68,7 +82,7 @@ function dfrn_poll_init(App $a) {
                                $my_id = '0:' . $dfrn_id;
                                break;
                        default:
-                               goaway(z_root());
+                               goaway(System::baseUrl());
                                break; // NOTREACHED
                }
 
@@ -79,19 +93,19 @@ function dfrn_poll_init(App $a) {
                        dbesc($a->argv[1])
                );
 
-               if (dbm::is_result($r)) {
+               if (DBM::is_result($r)) {
 
                        $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check');
 
                        logger("dfrn_poll: old profile returns " . $s, LOGGER_DATA);
 
-                       if (strlen($s)) {
+                       if(strlen($s)) {
 
                                $xml = parse_xml_string($s);
 
-                               if ((int) $xml->status == 1) {
+                               if((int) $xml->status == 1) {
                                        $_SESSION['authenticated'] = 1;
-                                       if (! x($_SESSION,'remote'))
+                                       if(! x($_SESSION,'remote'))
                                                $_SESSION['remote'] = array();
 
                                        $_SESSION['remote'][] = array('cid' => $r[0]['id'],'uid' => $r[0]['uid'],'url' => $r[0]['url']);
@@ -100,7 +114,7 @@ function dfrn_poll_init(App $a) {
                                        $_SESSION['visitor_home'] = $r[0]['url'];
                                        $_SESSION['visitor_handle'] = $r[0]['addr'];
                                        $_SESSION['visitor_visiting'] = $r[0]['uid'];
-                                       if (!$quiet)
+                                       if(!$quiet)
                                                info( sprintf(t('%1$s welcomes %2$s'), $r[0]['username'] , $r[0]['name']) . EOL);
                                        // Visitors get 1 day session.
                                        $session_id = session_id();
@@ -112,32 +126,32 @@ function dfrn_poll_init(App $a) {
                                }
                        }
                        $profile = $r[0]['nickname'];
-                       goaway((strlen($destination_url)) ? $destination_url : App::get_baseurl() . '/profile/' . $profile);
+                       goaway((strlen($destination_url)) ? $destination_url : System::baseUrl() . '/profile/' . $profile);
                }
-               goaway(z_root());
+               goaway(System::baseUrl());
 
        }
 
-       if ($type === 'profile-check' && $dfrn_version < 2.2 ) {
+       if($type === 'profile-check' && $dfrn_version < 2.2 ) {
 
-               if ((strlen($challenge)) && (strlen($sec))) {
+               if((strlen($challenge)) && (strlen($sec))) {
 
                        q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time()));
                        $r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1",
                                dbesc($sec)
                        );
-                       if (! dbm::is_result($r)) {
+                       if (! DBM::is_result($r)) {
                                xml_status(3, 'No ticket');
                                // NOTREACHED
                        }
                        $orig_id = $r[0]['dfrn_id'];
-                       if (strpos($orig_id, ':'))
+                       if(strpos($orig_id, ':'))
                                $orig_id = substr($orig_id,2);
 
                        $c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
                                intval($r[0]['cid'])
                        );
-                       if (! dbm::is_result($c)) {
+                       if (! DBM::is_result($c)) {
                                xml_status(3, 'No profile');
                        }
                        $contact = $c[0];
@@ -147,7 +161,7 @@ function dfrn_poll_init(App $a) {
 
                        $final_dfrn_id = '';
 
-                       if (($contact['duplex']) && strlen($contact['prvkey'])) {
+                       if(($contact['duplex']) && strlen($contact['prvkey'])) {
                                openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
                                openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']);
                        }
@@ -158,10 +172,10 @@ function dfrn_poll_init(App $a) {
 
                        $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 
-                       if (strpos($final_dfrn_id,':') == 1)
+                       if(strpos($final_dfrn_id,':') == 1)
                                $final_dfrn_id = substr($final_dfrn_id,2);
 
-                       if ($final_dfrn_id != $orig_id) {
+                       if($final_dfrn_id != $orig_id) {
                                logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG);
                                // did not decode properly - cannot trust this site
                                xml_status(3, 'Bad decryption');
@@ -190,7 +204,7 @@ function dfrn_poll_init(App $a) {
                        q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time()));
                        $r = q("SELECT * FROM `profile_check` WHERE `dfrn_id` = '%s' ORDER BY `expire` DESC",
                                dbesc($dfrn_id));
-                       if (dbm::is_result($r)) {
+                       if (DBM::is_result($r)) {
                                xml_status(1);
                                return; // NOTREACHED
                        }
@@ -213,9 +227,9 @@ function dfrn_poll_post(App $a) {
        $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
        $perm         = ((x($_POST,'perm'))         ? $_POST['perm']                 : 'r');
 
-       if ($ptype === 'profile-check') {
+       if($ptype === 'profile-check') {
 
-               if ((strlen($challenge)) && (strlen($sec))) {
+               if((strlen($challenge)) && (strlen($sec))) {
 
                        logger('dfrn_poll: POST: profile-check');
 
@@ -223,18 +237,18 @@ function dfrn_poll_post(App $a) {
                        $r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1",
                                dbesc($sec)
                        );
-                       if (! dbm::is_result($r)) {
+                       if (! DBM::is_result($r)) {
                                xml_status(3, 'No ticket');
                                // NOTREACHED
                        }
                        $orig_id = $r[0]['dfrn_id'];
-                       if (strpos($orig_id, ':'))
+                       if(strpos($orig_id, ':'))
                                $orig_id = substr($orig_id,2);
 
                        $c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
                                intval($r[0]['cid'])
                        );
-                       if (! dbm::is_result($c)) {
+                       if (! DBM::is_result($c)) {
                                xml_status(3, 'No profile');
                        }
                        $contact = $c[0];
@@ -244,7 +258,7 @@ function dfrn_poll_post(App $a) {
 
                        $final_dfrn_id = '';
 
-                       if (($contact['duplex']) && strlen($contact['prvkey'])) {
+                       if(($contact['duplex']) && strlen($contact['prvkey'])) {
                                openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
                                openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']);
                        }
@@ -255,10 +269,10 @@ function dfrn_poll_post(App $a) {
 
                        $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 
-                       if (strpos($final_dfrn_id,':') == 1)
+                       if(strpos($final_dfrn_id,':') == 1)
                                $final_dfrn_id = substr($final_dfrn_id,2);
 
-                       if ($final_dfrn_id != $orig_id) {
+                       if($final_dfrn_id != $orig_id) {
                                logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG);
                                // did not decode properly - cannot trust this site
                                xml_status(3, 'Bad decryption');
@@ -273,7 +287,7 @@ function dfrn_poll_post(App $a) {
        }
 
        $direction    = (-1);
-       if (strpos($dfrn_id,':') == 1) {
+       if(strpos($dfrn_id,':') == 1) {
                $direction = intval(substr($dfrn_id,0,1));
                $dfrn_id   = substr($dfrn_id,2);
        }
@@ -284,7 +298,7 @@ function dfrn_poll_post(App $a) {
                dbesc($challenge)
        );
 
-       if (! dbm::is_result($r)) {
+       if (! DBM::is_result($r)) {
                killme();
        }
 
@@ -312,7 +326,7 @@ function dfrn_poll_post(App $a) {
                        $my_id = '0:' . $dfrn_id;
                        break;
                default:
-                       goaway(z_root());
+                       goaway(System::baseUrl());
                        break; // NOTREACHED
        }
 
@@ -320,7 +334,7 @@ function dfrn_poll_post(App $a) {
        $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
 
 
-       if (! dbm::is_result($r)) {
+       if (! DBM::is_result($r)) {
                killme();
        }
 
@@ -329,7 +343,7 @@ function dfrn_poll_post(App $a) {
        $contact_id = $r[0]['id'];
 
 
-       if ($type === 'reputation' && strlen($url)) {
+       if($type === 'reputation' && strlen($url)) {
                $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
                        dbesc($url),
                        intval($owner_uid)
@@ -337,11 +351,11 @@ function dfrn_poll_post(App $a) {
                $reputation = 0;
                $text = '';
 
-               if (dbm::is_result($r)) {
+               if (DBM::is_result($r)) {
                        $reputation = $r[0]['rating'];
                        $text = $r[0]['reason'];
 
-                       if ($r[0]['id'] == $contact_id) {       // inquiring about own reputation not allowed
+                       if($r[0]['id'] == $contact_id) {        // inquiring about own reputation not allowed
                                $reputation = 0;
                                $text = '';
                        }
@@ -361,13 +375,13 @@ function dfrn_poll_post(App $a) {
 
                // Update the writable flag if it changed
                logger('dfrn_poll: post request feed: ' . print_r($_POST,true),LOGGER_DATA);
-               if ($dfrn_version >= 2.21) {
-                       if ($perm === 'rw')
+               if($dfrn_version >= 2.21) {
+                       if($perm === 'rw')
                                $writable = 1;
                        else
                                $writable = 0;
 
-                       if ($writable !=  $contact['writable']) {
+                       if($writable !=  $contact['writable']) {
                                q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d",
                                        intval($writable),
                                        intval($contact_id)
@@ -376,7 +390,7 @@ function dfrn_poll_post(App $a) {
                }
 
                header("Content-type: application/atom+xml");
-               $o = dfrn::feed($dfrn_id, $a->argv[1], $last_update, $direction);
+               $o = DFRN::feed($dfrn_id, $a->argv[1], $last_update, $direction);
                echo $o;
                killme();
 
@@ -395,13 +409,13 @@ function dfrn_poll_content(App $a) {
        $quiet           = ((x($_GET,'quiet'))           ? true                          : false);
 
        $direction = (-1);
-       if (strpos($dfrn_id,':') == 1) {
+       if(strpos($dfrn_id,':') == 1) {
                $direction = intval(substr($dfrn_id,0,1));
                $dfrn_id = substr($dfrn_id,2);
        }
 
 
-       if ($dfrn_id != '') {
+       if($dfrn_id != '') {
                // initial communication from external contact
                $hash = random_string();
 
@@ -409,7 +423,7 @@ function dfrn_poll_content(App $a) {
 
                $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
 
-               if ($type !== 'profile') {
+               if($type !== 'profile') {
                        $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` )
                                VALUES( '%s', '%s', '%s', '%s', '%s' ) ",
                                dbesc($hash),
@@ -422,7 +436,7 @@ function dfrn_poll_content(App $a) {
                $sql_extra = '';
                switch($direction) {
                        case (-1):
-                               if ($type === 'profile')
+                               if($type === 'profile')
                                        $sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($dfrn_id),dbesc($dfrn_id));
                                else
                                        $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
@@ -437,7 +451,7 @@ function dfrn_poll_content(App $a) {
                                $my_id = '0:' . $dfrn_id;
                                break;
                        default:
-                               goaway(z_root());
+                               goaway(System::baseUrl());
                                break; // NOTREACHED
                }
 
@@ -450,13 +464,13 @@ function dfrn_poll_content(App $a) {
                        dbesc($nickname)
                );
 
-               if (dbm::is_result($r)) {
+               if (DBM::is_result($r)) {
 
                        $challenge = '';
                        $encrypted_id = '';
                        $id_str = $my_id . '.' . mt_rand(1000,9999);
 
-                       if (($r[0]['duplex'] && strlen($r[0]['pubkey'])) || (! strlen($r[0]['prvkey']))) {
+                       if(($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']);
                        }
@@ -474,11 +488,11 @@ function dfrn_poll_content(App $a) {
                        $encrypted_id = '';
                }
 
-               if (($type === 'profile') && (strlen($sec))) {
+               if(($type === 'profile') && (strlen($sec))) {
 
                        // URL reply
 
-                       if ($dfrn_version < 2.2) {
+                       if($dfrn_version < 2.2) {
                                $s = fetch_url($r[0]['poll']
                                        . '?dfrn_id=' . $encrypted_id
                                        . '&type=profile-check'
@@ -497,27 +511,28 @@ function dfrn_poll_content(App $a) {
                                ));
                        }
 
-                       $profile = ((dbm::is_result($r) && $r[0]['nickname']) ? $r[0]['nickname'] : $nickname);
+                       $profile = ((DBM::is_result($r) && $r[0]['nickname']) ? $r[0]['nickname'] : $nickname);
 
                        switch($destination_url) {
                                case 'profile':
-                                       $dest = App::get_baseurl() . '/profile/' . $profile . '?f=&tab=profile';
+                                       $dest = System::baseUrl() . '/profile/' . $profile . '?f=&tab=profile';
                                        break;
                                case 'photos':
-                                       $dest = App::get_baseurl() . '/photos/' . $profile;
+                                       $dest = System::baseUrl() . '/photos/' . $profile;
                                        break;
                                case 'status':
                                case '':
-                                       $dest = App::get_baseurl() . '/profile/' . $profile;
+                                       $dest = System::baseUrl() . '/profile/' . $profile;
                                        break;
                                default:
-                                       $dest = $destination_url . '?f=&redir=1';
+                                       $appendix = (strstr($destination_url, '?') ? '&f=&redir=1' : '?f=&redir=1');
+                                       $dest = $destination_url . $appendix;
                                        break;
                        }
 
                        logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA);
 
-                       if (strlen($s) && strstr($s,'<?xml')) {
+                       if(strlen($s) && strstr($s,'<?xml')) {
 
                                $xml = parse_xml_string($s);
 
@@ -527,15 +542,15 @@ function dfrn_poll_content(App $a) {
                                logger('dfrn_poll: secure profile: sec: ' . $xml->sec . ' expecting ' . $sec);
 
 
-                               if (((int) $xml->status == 0) && ($xml->challenge == $hash)  && ($xml->sec == $sec)) {
+                               if(((int) $xml->status == 0) && ($xml->challenge == $hash)  && ($xml->sec == $sec)) {
                                        $_SESSION['authenticated'] = 1;
-                                       if (! x($_SESSION,'remote'))
+                                       if(! x($_SESSION,'remote'))
                                                $_SESSION['remote'] = array();
                                        $_SESSION['remote'][] = array('cid' => $r[0]['id'],'uid' => $r[0]['uid'],'url' => $r[0]['url']);
                                        $_SESSION['visitor_id'] = $r[0]['id'];
                                        $_SESSION['visitor_home'] = $r[0]['url'];
                                        $_SESSION['visitor_visiting'] = $r[0]['uid'];
-                                       if (!$quiet)
+                                       if(!$quiet)
                                                info( sprintf(t('%1$s welcomes %2$s'), $r[0]['username'] , $r[0]['name']) . EOL);
                                        // Visitors get 1 day session.
                                        $session_id = session_id();