From 19878a63977aa484300d5b3d0c027df52cc9c085 Mon Sep 17 00:00:00 2001 From: Hypolite Petovan Date: Fri, 29 Dec 2017 22:12:18 -0500 Subject: [PATCH] Fix formatting dfrn_poll --- mod/dfrn_poll.php | 328 ++++++++++++++++++++++------------------------ 1 file changed, 156 insertions(+), 172 deletions(-) diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php index 1e07242875..575343bc19 100644 --- a/mod/dfrn_poll.php +++ b/mod/dfrn_poll.php @@ -1,4 +1,5 @@ argc > 1) && ($dfrn_id == '') && !strstr($_SERVER["HTTP_USER_AGENT"], 'Friendica')) { @@ -31,28 +33,28 @@ function dfrn_poll_init(App $a) { killme(); } - $direction = (-1); - + $direction = -1; - if(strpos($dfrn_id,':') == 1) { - $direction = intval(substr($dfrn_id,0,1)); - $dfrn_id = substr($dfrn_id,2); + if (strpos($dfrn_id, ':') == 1) { + $direction = intval(substr($dfrn_id, 0, 1)); + $dfrn_id = substr($dfrn_id, 2); } $hidewall = false; - if(($dfrn_id === '') && (! x($_POST,'dfrn_id'))) { - if((Config::get('system','block_public')) && (! local_user()) && (! remote_user())) { + if (($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]) ); - if (!$r) + if (!$r) { http_status_exit(404); + } $hidewall = ($r[0]['hidewall'] && !local_user()); @@ -61,16 +63,15 @@ 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) { - case (-1): - $sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($dfrn_id),dbesc($dfrn_id)); + switch ($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: @@ -94,28 +95,29 @@ function dfrn_poll_init(App $a) { ); if (DBM::is_result($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']); + $_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_handle'] = $r[0]['addr']; $_SESSION['visitor_visiting'] = $r[0]['uid']; - if(!$quiet) - info( sprintf(t('%1$s welcomes %2$s'), $r[0]['username'] , $r[0]['name']) . EOL); + if (!$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; @@ -129,53 +131,53 @@ function dfrn_poll_init(App $a) { goaway((strlen($destination_url)) ? $destination_url : System::baseUrl() . '/profile/' . $profile); } goaway(System::baseUrl()); - } - if($type === 'profile-check' && $dfrn_version < 2.2 ) { - - if((strlen($challenge)) && (strlen($sec))) { - + if ($type === 'profile-check' && $dfrn_version < 2.2) { + if ((strlen($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, ':')) - $orig_id = substr($orig_id,2); + 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]; $sent_dfrn_id = hex2bin($dfrn_id); - $challenge = hex2bin($challenge); + $challenge = hex2bin($challenge); $final_dfrn_id = ''; - if(($contact['duplex']) && strlen($contact['prvkey'])) { - openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); - openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']); - } - else { - openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); - openssl_public_decrypt($challenge,$decoded_challenge,$contact['pubkey']); + if (($contact['duplex']) && strlen($contact['prvkey'])) { + openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']); + openssl_private_decrypt($challenge, $decoded_challenge, $contact['prvkey']); + } else { + openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']); + openssl_public_decrypt($challenge, $decoded_challenge, $contact['pubkey']); } $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); - if(strpos($final_dfrn_id,':') == 1) - $final_dfrn_id = substr($final_dfrn_id,2); + 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'); @@ -185,11 +187,9 @@ function dfrn_poll_init(App $a) { echo "0$decoded_challenge$sec"; killme(); // NOTREACHED - } - else { - // old protocol - - switch($direction) { + } else { + // old protocol + switch ($direction) { case 1: $dfrn_id = '0:' . $dfrn_id; break; @@ -200,7 +200,6 @@ function dfrn_poll_init(App $a) { 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)); @@ -212,67 +211,65 @@ function dfrn_poll_init(App $a) { return; // NOTREACHED } } - } - - -function dfrn_poll_post(App $a) { - - $dfrn_id = ((x($_POST,'dfrn_id')) ? $_POST['dfrn_id'] : ''); - $challenge = ((x($_POST,'challenge')) ? $_POST['challenge'] : ''); - $url = ((x($_POST,'url')) ? $_POST['url'] : ''); - $sec = ((x($_POST,'sec')) ? $_POST['sec'] : ''); - $ptype = ((x($_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))) { - +function dfrn_poll_post(App $a) +{ + $dfrn_id = x($_POST,'dfrn_id') ? $_POST['dfrn_id'] : ''; + $challenge = x($_POST,'challenge') ? $_POST['challenge'] : ''; + $url = x($_POST,'url') ? $_POST['url'] : ''; + $sec = x($_POST,'sec') ? $_POST['sec'] : ''; + $ptype = x($_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) ); - 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, ':')) - $orig_id = substr($orig_id,2); + 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]; $sent_dfrn_id = hex2bin($dfrn_id); - $challenge = hex2bin($challenge); + $challenge = hex2bin($challenge); $final_dfrn_id = ''; - if(($contact['duplex']) && strlen($contact['prvkey'])) { - openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); - openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']); - } - else { - openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); - openssl_public_decrypt($challenge,$decoded_challenge,$contact['pubkey']); + if ($contact['duplex'] && strlen($contact['prvkey'])) { + openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']); + openssl_private_decrypt($challenge, $decoded_challenge, $contact['prvkey']); + } else { + openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']); + openssl_public_decrypt($challenge, $decoded_challenge, $contact['pubkey']); } $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); - if(strpos($final_dfrn_id,':') == 1) - $final_dfrn_id = substr($final_dfrn_id,2); + 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'); @@ -283,22 +280,20 @@ function dfrn_poll_post(App $a) { killme(); // NOTREACHED } - } - $direction = (-1); - if(strpos($dfrn_id,':') == 1) { - $direction = intval(substr($dfrn_id,0,1)); - $dfrn_id = substr($dfrn_id,2); + $direction = -1; + if (strpos($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($challenge) ); - if (! DBM::is_result($r)) { + if (!DBM::is_result($r)) { killme(); } @@ -312,8 +307,8 @@ function dfrn_poll_post(App $a) { $sql_extra = ''; - switch($direction) { - case (-1): + switch ($direction) { + case -1: $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id)); $my_id = $dfrn_id; break; @@ -330,11 +325,8 @@ function dfrn_poll_post(App $a) { break; // NOTREACHED } - $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(); } @@ -342,8 +334,7 @@ function dfrn_poll_post(App $a) { $owner_uid = $r[0]['uid']; $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) @@ -355,7 +346,7 @@ function dfrn_poll_post(App $a) { $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 = ''; } @@ -370,18 +361,17 @@ function dfrn_poll_post(App $a) { "; killme(); // NOTREACHED - } - else { - + } else { // Update the writable flag if it changed - logger('dfrn_poll: post request feed: ' . print_r($_POST,true),LOGGER_DATA); - if($dfrn_version >= 2.21) { - if($perm === 'rw') + logger('dfrn_poll: post request feed: ' . print_r($_POST, true), LOGGER_DATA); + if ($dfrn_version >= 2.21) { + if ($perm === 'rw') { $writable = 1; - else + } 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) @@ -393,29 +383,27 @@ function dfrn_poll_post(App $a) { $o = DFRN::feed($dfrn_id, $a->argv[1], $last_update, $direction); echo $o; killme(); - } } -function dfrn_poll_content(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'] : ''); - $destination_url = ((x($_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) { - $direction = intval(substr($dfrn_id,0,1)); - $dfrn_id = substr($dfrn_id,2); +function dfrn_poll_content(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'] : ''; + $destination_url = x($_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) { + $direction = intval(substr($dfrn_id, 0, 1)); + $dfrn_id = substr($dfrn_id, 2); } - - if($dfrn_id != '') { + if ($dfrn_id != '') { // initial communication from external contact $hash = random_string(); @@ -423,7 +411,7 @@ 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), @@ -433,13 +421,16 @@ function dfrn_poll_content(App $a) { dbesc($last_update) ); } + $sql_extra = ''; - switch($direction) { - case (-1): - if($type === 'profile') - $sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($dfrn_id),dbesc($dfrn_id)); - else + switch ($direction) { + case -1: + 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)); + } + $my_id = $dfrn_id; break; case 0: @@ -463,36 +454,30 @@ function dfrn_poll_content(App $a) { AND `user`.`nickname` = '%s' $sql_extra LIMIT 1", dbesc($nickname) ); - 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']))) { - 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']); + $id_str = $my_id . '.' . mt_rand(1000, 9999); + + if (($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, $r[0]['pubkey']); + } else { + openssl_private_encrypt($hash, $challenge, $r[0]['prvkey']); + openssl_private_encrypt($id_str, $encrypted_id, $r[0]['prvkey']); } $challenge = bin2hex($challenge); $encrypted_id = bin2hex($encrypted_id); - } - else { + } else { $status = 1; $challenge = ''; $encrypted_id = ''; } - if(($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' @@ -500,8 +485,7 @@ function dfrn_poll_content(App $a) { . '&challenge=' . $challenge . '&sec=' . $sec ); - } - else { + } else { $s = post_url($r[0]['poll'], array( 'dfrn_id' => $encrypted_id, 'type' => 'profile-check', @@ -513,7 +497,7 @@ function dfrn_poll_content(App $a) { $profile = ((DBM::is_result($r) && $r[0]['nickname']) ? $r[0]['nickname'] : $nickname); - switch($destination_url) { + switch ($destination_url) { case 'profile': $dest = System::baseUrl() . '/profile/' . $profile . '?f=&tab=profile'; break; @@ -532,26 +516,28 @@ function dfrn_poll_content(App $a) { logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA); - if(strlen($s) && strstr($s,'challenge . ' expecting ' . $hash); 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['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) - info( sprintf(t('%1$s welcomes %2$s'), $r[0]['username'] , $r[0]['name']) . EOL); + if (!$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; @@ -565,9 +551,7 @@ function dfrn_poll_content(App $a) { } goaway($dest); // NOTREACHED - - } - else { + } else { // XML reply header("Content-type: text/xml"); echo '' . "\r\n" @@ -576,7 +560,7 @@ function dfrn_poll_content(App $a) { . "\t" . '' . DFRN_PROTOCOL_VERSION . '' . "\r\n" . "\t" . '' . $encrypted_id . '' . "\r\n" . "\t" . '' . $challenge . '' . "\r\n" - . '' . "\r\n" ; + . '' . "\r\n"; killme(); // NOTREACHED } -- 2.39.5