<?php
+
/**
* @file mod/dfrn_poll.php
*/
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'] : '');
- $destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url'] : '');
- $challenge = ((x($_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);
+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'] : '';
+ $destination_url = x($_GET,'destination_url') ? $_GET['destination_url'] : '';
+ $challenge = x($_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;
// Possibly it is an OStatus compatible server that requests a user feed
if (($a->argc > 1) && ($dfrn_id == '') && !strstr($_SERVER["HTTP_USER_AGENT"], 'Friendica')) {
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());
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 = $dfrn_id;
break;
case 0:
);
if (DBM::is_result($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();
$expire = time() + 86400;
goaway((strlen($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 . ' != ' . $orig_id, LOGGER_DEBUG);
// did not decode properly - cannot trust this site
xml_status(3, 'Bad decryption');
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><dfrn_poll><status>0</status><challenge>$decoded_challenge</challenge><sec>$sec</sec></dfrn_poll>";
killme();
// NOTREACHED
- }
- else {
- // old protocol
-
- switch($direction) {
+ } else {
+ // old protocol
+ switch ($direction) {
case 1:
$dfrn_id = '0:' . $dfrn_id;
break;
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));
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');
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();
}
$sql_extra = '';
- switch($direction) {
- case (-1):
+ switch ($direction) {
+ case -1:
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
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();
}
$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)
$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;
$text = '';
}
";
killme();
// NOTREACHED
- }
- else {
-
+ } else {
// Update the writable flag if it changed
- logger('dfrn_poll: post request feed: ' . print_r($_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)
$o = DFRN::feed($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();
$r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
- if($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),
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:
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'
. '&challenge=' . $challenge
. '&sec=' . $sec
);
- }
- else {
+ } else {
$s = post_url($r[0]['poll'], array(
'dfrn_id' => $encrypted_id,
'type' => 'profile-check',
$profile = ((DBM::is_result($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;
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);
- logger('dfrn_poll: profile: parsed xml: ' . print_r($xml,true), LOGGER_DATA);
+ logger('dfrn_poll: profile: parsed xml: ' . print_r($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)) {
+ 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();
$expire = time() + 86400;
}
goaway($dest);
// NOTREACHED
-
- }
- else {
+ } else {
// XML reply
header("Content-type: text/xml");
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
. "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
. "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
. "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
- . '</dfrn_poll>' . "\r\n" ;
+ . '</dfrn_poll>' . "\r\n";
killme();
// NOTREACHED
}