X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_poll.php;h=8a573c9565ddeef689e89e6f0264fecf1a07023f;hb=4f8445760c7a9cc89eed4f7cbb3eccb605ecabbe;hp=d0b915acf0a48f76e4247c9d4ef440eb5c33c040;hpb=4d34ec85cf61101291acf32e1b9e7fe5a6ab7a45;p=friendica.git diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php index d0b915acf0..8a573c9565 100644 --- a/mod/dfrn_poll.php +++ b/mod/dfrn_poll.php @@ -6,31 +6,64 @@ require_once('include/auth.php'); function dfrn_poll_init(&$a) { - $dfrn_id = ''; + $dfrn_id = ((x($_GET,'dfrn_id')) ? $_GET['dfrn_id'] : ''); + $type = ((x($_GET,'type')) ? $_GET['type'] : ''); + $last_update = ((x($_GET,'last_update')) ? $_GET['last_update'] : ''); + $destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url'] : ''); + $dfrn_version = ((x($_GET,'dfrn_version')) ? (float) $_GET['dfrn_version'] : 0); - if(x($_GET,'dfrn_id')) - $dfrn_id = $a->config['dfrn_poll_dfrn_id'] = $_GET['dfrn_id']; - if(x($_GET,'type')) - $type = $a->config['dfrn_poll_type'] = $_GET['type']; - if(x($_GET,'last_update')) - $last_update = $a->config['dfrn_poll_last_update'] = $_GET['last_update']; - if(($dfrn_id == '') && (! x($_POST,'dfrn_id')) && ($a->argc > 1)) { - $o = get_feed_for($a,'*', $a->argv[1],$last_update); + $direction = (-1); + + + if(strpos($dfrn_id,':') == 1) { + $direction = intval(substr($dfrn_id,0,1)); + $dfrn_id = substr($dfrn_id,2); + } + + if(($dfrn_id === '') && (! x($_POST,'dfrn_id')) && ($a->argc > 1)) { + header("Content-type: application/atom+xml"); + $o = get_feed_for($a, '*', $a->argv[1],$last_update); echo $o; killme(); } - if((x($type)) && ($type == 'profile')) { + if((isset($type)) && ($type === 'profile')) { + + $sql_extra = ''; + switch($direction) { + case (-1): + $sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($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:' . $dfrn_id; + break; + default: + goaway($a->get_baseurl()); + break; // NOTREACHED + } $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` - WHERE `issued-id` = '%s' LIMIT 1", - dbesc($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)) { - $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $dfrn_id . '&type=profile-check'); + + $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check'); + if(strlen($s)) { + $xml = simplexml_load_string($s); + if((int) $xml->status == 1) { $_SESSION['authenticated'] = 1; $_SESSION['visitor_id'] = $r[0]['id']; @@ -40,22 +73,36 @@ function dfrn_poll_init(&$a) { $expire = time() + 86400; q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1", dbesc($expire), - dbesc($session_id)); + dbesc($session_id) + ); } } - $profile = ((strlen($r[0]['nickname'])) ? $r[0]['nickname'] : $r[0]['uid']); - goaway($a->get_baseurl() . "/profile/$profile/visit"); + $profile = $r[0]['nickname']; + goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile); } goaway($a->get_baseurl()); - } - if((x($type)) && ($type == 'profile-check')) { + } + if((isset($type)) && ($type === 'profile-check')) { + + switch($direction) { + case 1: + $dfrn_id = '0:' . $dfrn_id; + break; + case 0: + $dfrn_id = '1:' . $dfrn_id; + break; + default: + break; + } 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(count($r)) + if(count($r)) { xml_status(1); + return; // NOTREACHED + } xml_status(0); return; // NOTREACHED } @@ -67,14 +114,23 @@ function dfrn_poll_init(&$a) { function dfrn_poll_post(&$a) { - $dfrn_id = notags(trim($_POST['dfrn_id'])); - $challenge = notags(trim($_POST['challenge'])); - $url = $_POST['url']; + $dfrn_id = ((x($_POST,'dfrn_id')) ? $_POST['dfrn_id'] : ''); + $challenge = ((x($_POST,'challenge')) ? $_POST['challenge'] : ''); + $url = ((x($_POST,'url')) ? $_POST['url'] : ''); + $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 0); + + $direction = (-1); + if(strpos($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($challenge) ); + if(! count($r)) killme(); @@ -87,9 +143,29 @@ function dfrn_poll_post(&$a) { ); - $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' LIMIT 1", - dbesc($dfrn_id) - ); + $sql_extra = ''; + switch($direction) { + case (-1): + $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($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:' . $dfrn_id; + break; + default: + goaway($a->get_baseurl()); + break; // NOTREACHED + } + + + $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1"); + + if(! count($r)) killme(); @@ -97,7 +173,7 @@ function dfrn_poll_post(&$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($owner_uid) @@ -123,11 +199,11 @@ function dfrn_poll_post(&$a) { "; killme(); - return; // NOTREACHED + // NOTREACHED } else { - - $o = get_feed_for($a,$dfrn_id, $a->argv[1], $last_update); + header("Content-type: application/atom+xml"); + $o = get_feed_for($a,$dfrn_id, $a->argv[1], $last_update, $direction); echo $o; killme(); @@ -141,11 +217,19 @@ function dfrn_poll_content(&$a) { $type = 'data'; if(x($_GET,'dfrn_id')) - $dfrn_id = $a->config['dfrn_poll_dfrn_id'] = $_GET['dfrn_id']; + $dfrn_id = $_GET['dfrn_id']; if(x($_GET,'type')) - $type = $a->config['dfrn_poll_type'] = $_GET['type']; + $type = $_GET['type']; if(x($_GET,'last_update')) - $last_update = $a->config['dfrn_poll_last_update'] = $_GET['last_update']; + $last_update = $_GET['last_update']; + + $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); + } if($dfrn_id != '') { @@ -159,41 +243,69 @@ function dfrn_poll_content(&$a) { $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` ) VALUES( '%s', '%s', '%s', '%s', '%s' ) ", dbesc($hash), - dbesc(notags(trim($_GET['dfrn_id']))), + dbesc($dfrn_id), intval(time() + 60 ), dbesc($type), dbesc($last_update) ); - $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `blocked` = 0 AND `pending` = 0 LIMIT 1", - dbesc($_GET['dfrn_id'])); - if((count($r)) && (strlen($r[0]['prvkey']))) { - $challenge = ''; + $sql_extra = ''; + switch($direction) { + case (-1): + $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($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:' . $dfrn_id; + break; + default: + goaway($a->get_baseurl()); + break; // NOTREACHED + } - openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']); - $challenge = bin2hex($challenge); - $encrypted_id = ''; - $id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999); - openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']); - $encrypted_id = bin2hex($encrypted_id); - } - else { - $status = 1; // key not found - } - echo '' .$status . '' . $encrypted_id . '' - . '' . $challenge . '' . "\r\n" ; - session_write_close(); - exit; - } + $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1"); + if(count($r)) { + $challenge = ''; + $encrypted_id = ''; + $id_str = $my_id . '.' . mt_rand(1000,9999); + if($r[0]['duplex'] && strlen($r[0]['pubkey'])) { + openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']); + openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']); + } + else { + openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']); + openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']); + } + $challenge = bin2hex($challenge); + $encrypted_id = bin2hex($encrypted_id); + } + else { + $status = 1; + } + header("Content-type: text/xml"); + echo '' . "\r\n" + . '' . "\r\n" + . "\t" . '' .$status . '' . "\r\n" + . "\t" . '' . DFRN_PROTOCOL_VERSION . '' . "\r\n" + . "\t" . '' . $encrypted_id . '' . "\r\n" + . "\t" . '' . $challenge . '' . "\r\n" + . '' . "\r\n" ; + killme(); + } }