]> git.mxchange.org Git - friendica.git/blobdiff - mod/dfrn_poll.php
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[friendica.git] / mod / dfrn_poll.php
index fe9504deb4ad12bc8c211ebe974f9767303b5cd4..b5f60a0397e39020cd77253b925e2386136e0277 100644 (file)
@@ -16,6 +16,8 @@ function dfrn_poll_init(&$a) {
        $challenge       = ((x($_GET,'challenge'))       ? $_GET['challenge']            : '');
        $sec             = ((x($_GET,'sec'))             ? $_GET['sec']                  : '');
        $dfrn_version    = ((x($_GET,'dfrn_version'))    ? (float) $_GET['dfrn_version'] : 2.0);
+       $perm            = ((x($_GET,'perm'))            ? $_GET['perm']                 : 'r');
+       $quiet                   = ((x($_GET,'quiet'))                   ? true                                                  : false);
 
        $direction = (-1);
 
@@ -25,11 +27,26 @@ function dfrn_poll_init(&$a) {
                $dfrn_id   = substr($dfrn_id,2);
        }
 
-       if(($dfrn_id === '') && (! x($_POST,'dfrn_id')) && ($a->argc > 1)) {
-               logger('dfrn_poll: public feed request from ' . $_SERVER['REMOTE_ADDR'] );
+       if(($dfrn_id === '') && (! x($_POST,'dfrn_id'))) {
+               if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
+                       http_status_exit(403);
+               }
+
+               $user = '';
+               if($a->argc > 1) {
+                       $r = q("SELECT `hidewall`,`nickname` FROM `user` WHERE `user`.`nickname` = '%s' LIMIT 1",
+                               dbesc($a->argv[1])
+                       );
+                       if(! $r)
+                               http_status_exit(404);
+                       if(($r[0]['hidewall']) && (! local_user()))
+                               http_status_exit(403);
+                       $user = $r[0]['nickname'];
+               }
+
+               logger('dfrn_poll: public feed request from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . $user);
                header("Content-type: application/atom+xml");
-               $o = get_feed_for($a, '', $a->argv[1],$last_update);
-               echo $o;
+               echo get_feed_for($a, '', $user,$last_update);
                killme();
        }
 
@@ -50,17 +67,17 @@ function dfrn_poll_init(&$a) {
                                $my_id = '0:' . $dfrn_id;
                                break;
                        default:
-                               goaway($a->get_baseurl());
+                               goaway(z_root());
                                break; // NOTREACHED
                }
 
-               $r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname` 
+               $r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname`
                        FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
-                       WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
+                       WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
                        AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
                        dbesc($a->argv[1])
                );
-               
+
                if(count($r)) {
 
                        $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check');
@@ -69,26 +86,34 @@ function dfrn_poll_init(&$a) {
 
                        if(strlen($s)) {
 
-                               $xml = simplexml_load_string($s);
+                               $xml = parse_xml_string($s);
 
                                if((int) $xml->status == 1) {
                                        $_SESSION['authenticated'] = 1;
+                                       if(! x($_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'];
-                                       notice( sprintf(t('%s welcomes %s'), $r[0]['username'] , $r[0]['name']) . EOL);
+                                       $_SESSION['visitor_handle'] = $r[0]['addr'];
+                                       $_SESSION['visitor_visiting'] = $r[0]['uid'];
+                                       if(!$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();
                                        $expire = time() + 86400;
-                                       q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1",
+                                       q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s'",
                                                dbesc($expire),
                                                dbesc($session_id)
-                                       ); 
+                                       );
                                }
                        }
                        $profile = $r[0]['nickname'];
                        goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile);
                }
-               goaway($a->get_baseurl());
+               goaway(z_root());
 
        }
 
@@ -183,15 +208,16 @@ function dfrn_poll_post(&$a) {
        $challenge    = ((x($_POST,'challenge'))    ? $_POST['challenge']            : '');
        $url          = ((x($_POST,'url'))          ? $_POST['url']                  : '');
        $sec          = ((x($_POST,'sec'))          ? $_POST['sec']                  : '');
-       $ptype        = ((x($_POST,'type'))         ? $_POST['type']                  : '');
+       $ptype        = ((x($_POST,'type'))         ? $_POST['type']                 : '');
        $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
+       $perm         = ((x($_POST,'perm'))         ? $_POST['perm']                 : 'r');
 
        if($ptype === 'profile-check') {
 
                if((strlen($challenge)) && (strlen($sec))) {
 
                        logger('dfrn_poll: POST: profile-check');
+
                        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)
@@ -263,7 +289,7 @@ function dfrn_poll_post(&$a) {
        $type = $r[0]['type'];
        $last_update = $r[0]['last_update'];
 
-       $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
+       $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s'",
                dbesc($dfrn_id),
                dbesc($challenge)
        );
@@ -284,7 +310,7 @@ function dfrn_poll_post(&$a) {
                        $my_id = '0:' . $dfrn_id;
                        break;
                default:
-                       goaway($a->get_baseurl());
+                       goaway(z_root());
                        break; // NOTREACHED
        }
 
@@ -295,8 +321,9 @@ function dfrn_poll_post(&$a) {
        if(! count($r))
                killme();
 
+       $contact = $r[0];
        $owner_uid = $r[0]['uid'];
-       $contact_id = $r[0]['id']; 
+       $contact_id = $r[0]['id'];
 
 
        if($type === 'reputation' && strlen($url)) {
@@ -328,6 +355,23 @@ function dfrn_poll_post(&$a) {
                // NOTREACHED
        }
        else {
+
+               // Update the writable flag if it changed
+               logger('dfrn_poll: post request feed: ' . print_r($_POST,true),LOGGER_DATA);
+               if($dfrn_version >= 2.21) {
+                       if($perm === 'rw')
+                               $writable = 1;
+                       else
+                               $writable = 0;
+
+                       if($writable !=  $contact['writable']) {
+                               q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d",
+                                       intval($writable),
+                                       intval($contact_id)
+                               );
+                       }
+               }
+
                header("Content-type: application/atom+xml");
                $o = get_feed_for($a,$dfrn_id, $a->argv[1], $last_update, $direction);
                echo $o;
@@ -344,6 +388,8 @@ function dfrn_poll_content(&$a) {
        $destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url']      : '');
        $sec             = ((x($_GET,'sec'))             ? $_GET['sec']                  : '');
        $dfrn_version    = ((x($_GET,'dfrn_version'))    ? (float) $_GET['dfrn_version'] : 2.0);
+       $perm            = ((x($_GET,'perm'))            ? $_GET['perm']                 : 'r');
+       $quiet           = ((x($_GET,'quiet'))           ? true                          : false);
 
        $direction = (-1);
        if(strpos($dfrn_id,':') == 1) {
@@ -388,15 +434,17 @@ function dfrn_poll_content(&$a) {
                                $my_id = '0:' . $dfrn_id;
                                break;
                        default:
-                               goaway($a->get_baseurl());
+                               goaway(z_root());
                                break; // NOTREACHED
                }
 
-               $r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname` 
+               $nickname = $a->argv[1];
+
+               $r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname`
                        FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
-                       WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 
+                       WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
                        AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
-                       dbesc($a->argv[1])
+                       dbesc($nickname)
                );
 
                if(count($r)) {
@@ -405,7 +453,7 @@ function dfrn_poll_content(&$a) {
                        $encrypted_id = '';
                        $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,$r[0]['pubkey']);
                        }
@@ -424,9 +472,8 @@ function dfrn_poll_content(&$a) {
                }
 
                if(($type === 'profile') && (strlen($sec))) {
-                       // URL reply
-
 
+                       // URL reply
 
                        if($dfrn_version < 2.2) {
                                $s = fetch_url($r[0]['poll'] 
@@ -446,36 +493,59 @@ function dfrn_poll_content(&$a) {
                                        'sec' => $sec
                                ));
                        }
+                       
+                       $profile = ((count($r) && $r[0]['nickname']) ? $r[0]['nickname'] : $nickname);
+
+                       switch($destination_url) {
+                               case 'profile':
+                                       $dest = $a->get_baseurl() . '/profile/' . $profile . '?f=&tab=profile';
+                                       break;
+                               case 'photos':
+                                       $dest = $a->get_baseurl() . '/photos/' . $profile;
+                                       break;
+                               case 'status':
+                               case '':
+                                       $dest = $a->get_baseurl() . '/profile/' . $profile;
+                                       break;          
+                               default:
+                                       $dest = $destination_url . '?f=&redir=1';
+                                       break;
+                       }
 
                        logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA);
 
                        if(strlen($s) && strstr($s,'<?xml')) {
 
-                               $xml = simplexml_load_string($s);
+                               $xml = parse_xml_string($s);
 
                                logger('dfrn_poll: profile: parsed xml: ' . print_r($xml,true), LOGGER_DATA);
 
                                logger('dfrn_poll: secure profile: challenge: ' . $xml->challenge . ' expecting ' . $hash);
                                logger('dfrn_poll: secure profile: sec: ' . $xml->sec . ' expecting ' . $sec);
-                               
+
+
                                if(((int) $xml->status == 0) && ($xml->challenge == $hash)  && ($xml->sec == $sec)) {
                                        $_SESSION['authenticated'] = 1;
+                                       if(! x($_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'];
-                                       notice( sprintf(t('%s welcomes %s'), $r[0]['username'] , $r[0]['name']) . EOL);
+                                       $_SESSION['visitor_visiting'] = $r[0]['uid'];
+                                       if(!$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();
                                        $expire = time() + 86400;
-                                       q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1",
+                                       q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s'",
                                                dbesc($expire),
                                                dbesc($session_id)
-                                       ); 
+                                       );
                                }
-                               $profile = $r[0]['nickname'];
-                               goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile);
+
+                               goaway($dest);
                        }
-                       goaway($a->get_baseurl());
+                       goaway($dest);
                        // NOTREACHED
 
                }