X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_poll.php;h=8a573c9565ddeef689e89e6f0264fecf1a07023f;hb=8c9aa975faeacbffce9314443aebe9ebc220aac3;hp=89fc379fb5f429df80922adb2d4fc5690793e265;hpb=a587d550b9ddf83e3469674da47911c59419b14d;p=friendica.git diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php index 89fc379fb5..8a573c9565 100644 --- a/mod/dfrn_poll.php +++ b/mod/dfrn_poll.php @@ -6,69 +6,96 @@ 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); + + + $direction = (-1); - if(x($_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']; - $dfrn_version = ((x($_GET,'dfrn_version')) ? $_GET['dfrn_version'] : '1.0'); - $destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url'] : ''); - if(($dfrn_id == '') && (! x($_POST,'dfrn_id')) && ($a->argc > 1)) { - $o = get_feed_for($a,'*', $a->argv[1],$last_update); + 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 + } $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` - WHERE ( `dfrn-id` = '%s' OR ( `issued-id` = '%s' AND `duplex` = 1 )) ", - dbesc($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($r)) { - foreach($r as $rr) { - - // On a multi-user site, the query above *may* have returned two results. - // One of those could be the logged-in user who is now visiting "this" cell, - // as both share the dfrn_id. We will skip that entry if it unfortunately - // happens to come up first. - - if(local_user() && ($rr['uid'] == get_uid())) - continue; - - $s = fetch_url($rr['poll'] . '?dfrn_id=' . $dfrn_id . '&type=profile-check'); - if(strlen($s)) { - $xml = simplexml_load_string($s); - if((int) $xml->status == 1) { - $_SESSION['authenticated'] = 1; - $_SESSION['visitor_id'] = $rr['id']; - notice( t('Hi ') . $rr['name'] . EOL); - // Visitors get 1 day session. - $session_id = session_id(); - $expire = time() + 86400; - q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1", - dbesc($expire), - dbesc($session_id) - ); - } + + $s = fetch_url($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']; + notice( t('Hi ') . $r[0]['name'] . EOL); + // Visitors get 1 day session. + $session_id = session_id(); + $expire = time() + 86400; + q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1", + dbesc($expire), + dbesc($session_id) + ); } - $profile = $rr['nickname']; - goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile); } + $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)); @@ -87,14 +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(); @@ -107,10 +143,28 @@ function dfrn_poll_post(&$a) { ); - $r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `dfrn-id` = '%s' AND `duplex` = 1 )) LIMIT 1", - dbesc($dfrn_id), - 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(); @@ -119,7 +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($owner_uid) @@ -145,11 +199,11 @@ function dfrn_poll_post(&$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 $o; killme(); @@ -163,11 +217,19 @@ function dfrn_poll_content(&$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($dfrn_id != '') { @@ -181,22 +243,42 @@ function dfrn_poll_content(&$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) ); - $r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `dfrn-id` = '%s' AND `duplex` = 1 )) - AND `blocked` = 0 AND `pending` = 0 LIMIT 1", - dbesc($_GET['dfrn_id']), - dbesc($_GET['dfrn_id']) - ); + + $sql_extra = ''; + switch($direction) { + case (-1): + $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($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)) { $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($r[0]['pubkey'])) { @@ -214,11 +296,15 @@ function dfrn_poll_content(&$a) { else { $status = 1; } - - echo '' .$status . '2.0' . $encrypted_id . '' - . '' . $challenge . '' . "\r\n" ; - session_write_close(); - exit; + header("Content-type: text/xml"); + echo '' . "\r\n" + . '' . "\r\n" + . "\t" . '' .$status . '' . "\r\n" + . "\t" . '' . DFRN_PROTOCOL_VERSION . '' . "\r\n" + . "\t" . '' . $encrypted_id . '' . "\r\n" + . "\t" . '' . $challenge . '' . "\r\n" + . '' . "\r\n" ; + killme(); } }