<?php
+require_once('include/items.php');
+require_once('include/auth.php');
+
function dfrn_poll_init(&$a) {
- if(x($_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'];
+ $dfrn_id = ((x($_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);
+ $direction = (-1);
- if(! x($dfrn_id))
- return;
+ if(strpos($dfrn_id,':') == 1) {
+ $direction = intval(substr($dfrn_id,0,1));
+ $dfrn_id = substr($dfrn_id,2);
+ }
- if((x($type)) && ($type == 'profile')) {
+ 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 $o;
+ killme();
+ }
+
+ if((isset($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'];
- $_SESSION['sysmsg'] .= "Hi {$r[0]['name']}" . EOL;
+ 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($session_id));
+ dbesc($session_id)
+ );
}
}
- $profile = ((strlen($r[0]['nickname'])) ? $r[0]['nickname'] : $r[0]['uid']);
- goaway($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));
- if(count($r))
+ if(count($r)) {
xml_status(1);
+ return; // NOTREACHED
+ }
xml_status(0);
return; // NOTREACHED
}
+
+}
+
+
+
+function dfrn_poll_post(&$a) {
+
+ $dfrn_id = ((x($_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();
+
+ $type = $r[0]['type'];
+ $last_update = $r[0]['last_update'];
+
+ $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
+ dbesc($dfrn_id),
+ dbesc($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
+ }
+
+
+ $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
+
+
+ if(! count($r))
+ killme();
+
+ $owner_uid = $r[0]['uid'];
+ $contact_id = $r[0]['id'];
+
+
+ if($type === 'reputation' && strlen($url)) {
+ $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($url),
+ intval($owner_uid)
+ );
+ $reputation = 0;
+ $text = '';
+
+ if(count($r)) {
+ $reputation = $r[0]['rating'];
+ $text = $r[0]['reason'];
+
+ if($r[0]['id'] == $contact_id) { // inquiring about own reputation not allowed
+ $reputation = 0;
+ $text = '';
+ }
+ }
+
+ echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
+ <reputation>
+ <url>$url</url>
+ <rating>$reputation</rating>
+ <description>$text</description>
+ </reputation>
+ ";
+ killme();
+ // NOTREACHED
+ }
+ else {
+ header("Content-type: application/atom+xml");
+ $o = get_feed_for($a,$dfrn_id, $a->argv[1], $last_update, $direction);
+ echo $o;
+ killme();
+
+ }
}
+
+function dfrn_poll_content(&$a) {
+
+
+ $dfrn_id = '';
+ $type = 'data';
+
+ if(x($_GET,'dfrn_id'))
+ $dfrn_id = $_GET['dfrn_id'];
+ if(x($_GET,'type'))
+ $type = $_GET['type'];
+ if(x($_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 != '') {
+ // initial communication from external contact
+ $hash = random_string();
+
+ $status = 0;
+
+ $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
+
+ $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` )
+ VALUES( '%s', '%s', '%s', '%s', '%s' ) ",
+ dbesc($hash),
+ dbesc($dfrn_id),
+ intval(time() + 60 ),
+ dbesc($type),
+ dbesc($last_update)
+ );
+
+
+ $sql_extra = '';
+ switch($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 = $my_id . '.' . mt_rand(1000,9999);
+
+
+ if($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 {
+ $status = 1;
+ }
+ header("Content-type: text/xml");
+ echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
+ . '<dfrn_poll>' . "\r\n"
+ . "\t" . '<status>' .$status . '</status>' . "\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" ;
+ killme();
+ }
+}
+
+
projects / friendica.git / blobdiff