<?php
-
-
+require_once('simplepie/simplepie.inc');
+require_once('include/items.php');
function dfrn_notify_post(&$a) {
- $dfrn_id = notags(trim($_POST['dfrn_id']));
- $challenge = notags(trim($_POST['challenge']));
- $data = $_POST['data'];
+ $dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : '');
+ $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
+ $challenge = ((x($_POST,'challenge')) ? notags(trim($_POST['challenge'])) : '');
+ $data = ((x($_POST,'data')) ? $_POST['data'] : '');
+ $key = ((x($_POST,'key')) ? $_POST['key'] : '');
+
+ $direction = (-1);
+ if(strpos($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))
+ if(! count($r)) {
+ logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id);
xml_status(3);
+ }
$r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
);
+ // find the local user who owns this relationship.
+
+ $sql_extra = '';
+ switch($direction) {
+ case (-1):
+ $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
+ break;
+ case 0:
+ $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+ break;
+ case 1:
+ $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+ break;
+ default:
+ xml_status(3);
+ break; // NOTREACHED
+ }
+
+
+ $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
+ `contact`.`pubkey` AS `cpubkey`, `contact`.`prvkey` AS `cprvkey`, `user`.* FROM `contact`
+ LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
+ WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
+ AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
+ dbesc($a->argv[1])
+ );
+ if(! count($r)) {
+ logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
+ xml_status(3);
+ //NOTREACHED
+ }
+ $importer = $r[0];
+ logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
+ logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
+ if($importer['readonly']) {
+ // We aren't receiving stuff from this person. But we will quietly ignore them
+ // rather than a blatant "go away" message.
+ logger('dfrn_notify: ignoring');
+ xml_status(0);
+ //NOTREACHED
+ }
+ if(strlen($key)) {
+ $rawkey = hex2bin(trim($key));
+ logger('rino: md5 raw key: ' . md5($rawkey));
+ $final_key = '';
+
+ if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
+ openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
+ }
+ else {
+ openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
+ }
+
+ logger('rino: received key : ' . $final_key);
+ $data = aes_decrypt(hex2bin($data),$final_key);
+ logger('rino: decrypted data: ' . $data, LOGGER_DATA);
+ }
-}
-
-
-
+ // Consume notification feed. This may differ from consuming a public feed in several ways
+ // - might contain email
+ // - might contain remote followup to our message
+ // - in which case we need to accept it and then notify other conversants
+ // - we may need to send various email notifications
+
+ $feed = new SimplePie();
+ $feed->set_raw_data($data);
+ $feed->enable_order_by_date(false);
+ $feed->init();
+
+ $ismail = false;
+
+ $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
+ if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
+
+ logger('dfrn_notify: private message received');
+
+ $ismail = true;
+ $base = $rawmail[0]['child'][NAMESPACE_DFRN];
+
+ $msg = array();
+ $msg['uid'] = $importer['importer_uid'];
+ $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
+ $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
+ $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
+ $msg['contact-id'] = $importer['id'];
+ $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
+ $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
+ $msg['seen'] = 0;
+ $msg['replied'] = 0;
+ $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
+ $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
+ $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
+
+ dbesc_array($msg);
+
+ $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
+ . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
+
+ // send email notification if requested.
+
+ require_once('bbcode.php');
+ if($importer['notify-flags'] & NOTIFY_MAIL) {
+
+ $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8');
+
+ if(function_exists('quoted_printable_encode'))
+ $body = quoted_printable_encode($body);
+ else
+ $body = qp($body);
+
+ $tpl = load_view_file('view/mail_received_eml.tpl');
+ $email_tpl = replace_macros($tpl, array(
+ '$sitename' => $a->config['sitename'],
+ '$siteurl' => $a->get_baseurl(),
+ '$username' => $importer['username'],
+ '$email' => $importer['email'],
+ '$from' => $msg['from-name'],
+ '$title' => stripslashes($msg['title']),
+ '$body' => $body
+ ));
+
+ $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
+ $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
+ . 'MIME-Version: 1.0' . "\r\n"
+ . 'Content-type: text/plain; charset=UTF-8' . "\r\n"
+ . 'Content-transfer-encoding: quoted-printable' . "\r\n"
+ );
+ }
+ xml_status(0);
+ // NOTREACHED
+ }
+
+ logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
+
+ foreach($feed->get_items() as $item) {
+
+ $deleted = false;
+
+ $rawdelete = $item->get_item_tags( NAMESPACE_TOMB , 'deleted-entry');
+ if(isset($rawdelete[0]['attribs']['']['ref'])) {
+ $uri = $rawthread[0]['attribs']['']['ref'];
+ $deleted = true;
+ if(isset($rawdelete[0]['attribs']['']['when'])) {
+ $when = $rawthread[0]['attribs']['']['when'];
+ $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
+ }
+ else
+ $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
+ }
+ if($deleted) {
+ $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($uri),
+ intval($importer['importer_uid'])
+ );
+ if(count($r)) {
+ $item = $r[0];
+ if($item['uri'] == $item['parent-uri']) {
+ $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
+ WHERE `parent-uri` = '%s' AND `uid` = %d",
+ dbesc($when),
+ dbesc(datetime_convert()),
+ dbesc($item['uri']),
+ intval($importer['importer_uid'])
+ );
+ }
+ else {
+ $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
+ WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($when),
+ dbesc(datetime_convert()),
+ dbesc($uri),
+ intval($importer['importer_uid'])
+ );
+ if($item['last-child']) {
+ // ensure that last-child is set in case the comment that had it just got wiped.
+ $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
+ dbesc(datetime_convert()),
+ dbesc($item['parent-uri']),
+ intval($item['uid'])
+ );
+ // who is the last child now?
+ $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
+ ORDER BY `created` DESC LIMIT 1",
+ dbesc($item['parent-uri']),
+ intval($importer['importer_uid'])
+ );
+ if(count($r)) {
+ q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
+ intval($r[0]['id'])
+ );
+ }
+ }
+ }
+ }
+ continue;
+ }
+
+ $is_reply = false;
+ $item_id = $item->get_id();
+ $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
+ if(isset($rawthread[0]['attribs']['']['ref'])) {
+ $is_reply = true;
+ $parent_uri = $rawthread[0]['attribs']['']['ref'];
+ }
+
+ if($is_reply) {
+ if($feed->get_item_quantity() == 1) {
+ logger('dfrn_notify: received remote comment');
+ $is_like = false;
+ // remote reply to our post. Import and then notify everybody else.
+ $datarray = get_atom_elements($feed,$item);
+ $datarray['type'] = 'remote-comment';
+ $datarray['wall'] = 1;
+ $datarray['parent-uri'] = $parent_uri;
+ $datarray['uid'] = $importer['importer_uid'];
+ $datarray['contact-id'] = $importer['id'];
+ if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
+ $is_like = true;
+ $datarray['type'] = 'activity';
+ $datarray['gravity'] = GRAVITY_LIKE;
+ $datarray['last-child'] = 0;
+ }
+ $posted_id = item_store($datarray);
+
+ if($posted_id) {
+ if(! $is_like) {
+ $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($posted_id),
+ intval($importer['importer_uid'])
+ );
+ if(count($r)) {
+ $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
+ dbesc(datetime_convert()),
+ intval($importer['importer_uid']),
+ intval($r[0]['parent'])
+ );
+ }
+ $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($importer['importer_uid']),
+ intval($posted_id)
+ );
+ }
+
+ $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+
+ proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &",
+ array(),$foo));
+
+ if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
+ require_once('bbcode.php');
+ $from = stripslashes($datarray['author-name']);
+ $tpl = load_view_file('view/cmnt_received_eml.tpl');
+ $email_tpl = replace_macros($tpl, array(
+ '$sitename' => $a->config['sitename'],
+ '$siteurl' => $a->get_baseurl(),
+ '$username' => $importer['username'],
+ '$email' => $importer['email'],
+ '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
+ '$from' => $from,
+ '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
+ ));
+
+ $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
+ $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
+ }
+ }
+
+ xml_status(0);
+ // NOTREACHED
+
+ }
+ else {
+ // regular comment that is part of this total conversation. Have we seen it? If not, import it.
+
+ $item_id = $item->get_id();
+
+ $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($item_id),
+ intval($importer['importer_uid'])
+ );
+ // FIXME update content if 'updated' changes
+ if(count($r)) {
+ $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
+ if($allow && $allow[0]['data'] != $r[0]['last-child']) {
+ $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ intval($allow[0]['data']),
+ dbesc(datetime_convert()),
+ dbesc($item_id),
+ intval($importer['importer_uid'])
+ );
+ }
+ continue;
+ }
+ $datarray = get_atom_elements($feed,$item);
+ $datarray['parent-uri'] = $parent_uri;
+ $datarray['uid'] = $importer['importer_uid'];
+ $datarray['contact-id'] = $importer['id'];
+ if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
+ $datarray['type'] = 'activity';
+ $datarray['gravity'] = GRAVITY_LIKE;
+ }
+
+ $r = item_store($datarray);
+
+ // find out if our user is involved in this conversation and wants to be notified.
+
+ if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
+
+ $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d",
+ dbesc($parent_uri),
+ intval($importer['importer_uid'])
+ );
+ if(count($myconv)) {
+ foreach($myconv as $conv) {
+ if($conv['author-link'] != $importer['url'])
+ continue;
+ require_once('bbcode.php');
+ $from = stripslashes($datarray['author-name']);
+ $tpl = load_view_file('view/cmnt_received_eml.tpl');
+ $email_tpl = replace_macros($tpl, array(
+ '$sitename' => $a->config['sitename'],
+ '$siteurl' => $a->get_baseurl(),
+ '$username' => $importer['username'],
+ '$email' => $importer['email'],
+ '$from' => $from,
+ '$display' => $a->get_baseurl() . '/display/' . $r,
+ '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
+ ));
+
+ $res = mail($importer['email'], $from . t(" commented on an item at ")
+ . $a->config['sitename'],
+ $email_tpl,t("From: Administrator@") . $a->get_hostname() );
+ break;
+ }
+ }
+ }
+ continue;
+ }
+ }
+ else {
+ // Head post of a conversation. Have we seen it? If not, import it.
+
+ $item_id = $item->get_id();
+ $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($item_id),
+ intval($importer['importer_uid'])
+ );
+ if(count($r)) {
+ $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
+ if($allow && $allow[0]['data'] != $r[0]['last-child']) {
+ $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ intval($allow[0]['data']),
+ dbesc(datetime_convert()),
+ dbesc($item_id),
+ intval($importer['importer_uid'])
+ );
+ }
+ continue;
+ }
+
+
+ $datarray = get_atom_elements($feed,$item);
+ $datarray['parent-uri'] = $item_id;
+ $datarray['uid'] = $importer['importer_uid'];
+ $datarray['contact-id'] = $importer['id'];
+ $r = item_store($datarray);
+ continue;
+ }
+ }
+ xml_status(0);
+ // NOTREACHED
+}
+function dfrn_notify_content(&$a) {
+ if(x($_GET,'dfrn_id')) {
+ // initial communication from external contact, $direction is their direction.
+ // If this is a duplex communication, ours will be the opposite.
+ $dfrn_id = notags(trim($_GET['dfrn_id']));
+ $dfrn_version = (float) $_GET['dfrn_version'];
+ logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
-function dfrn_notify_content(&$a) {
+ $direction = (-1);
+ if(strpos($dfrn_id,':') == 1) {
+ $direction = intval(substr($dfrn_id,0,1));
+ $dfrn_id = substr($dfrn_id,2);
+ }
- if(x($_GET,'dfrn_id')) {
- // initial communication from external contact
$hash = random_string();
$status = 0;
$r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
VALUES( '%s', '%s', '%s') ",
dbesc($hash),
- dbesc(notags(trim($_GET['dfrn_id']))),
+ dbesc($dfrn_id),
intval(time() + 60 )
);
- $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `blocked` = 0 LIMIT 1",
- dbesc($_GET['dfrn_id']));
- if((! count($r)) || (! strlen($r[0]['prvkey'])))
+
+ $sql_extra = '';
+ switch($direction) {
+ case (-1):
+ $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($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:
+ $status = 1;
+ break; // NOTREACHED
+ }
+
+ $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
+ WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
+ dbesc($a->argv[1])
+ );
+
+ if(! count($r))
$status = 1;
$challenge = '';
+ $encrypted_id = '';
+ $id_str = $my_id . '.' . mt_rand(1000,9999);
- openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
- $challenge = bin2hex($challenge);
- echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
- . '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
- session_write_close();
- exit;
-
+ if((($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);
+
+ $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
+
+ $rino_enable = get_config('system','rino_encrypt');
+
+ if(! $rino_enable)
+ $rino = 0;
+
+
+ header("Content-type: text/xml");
+
+ echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
+ . '<dfrn_notify>' . "\r\n"
+ . "\t" . '<status>' . $status . '</status>' . "\r\n"
+ . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
+ . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
+ . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
+ . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
+ . '</dfrn_notify>' . "\r\n" ;
+
+ killme();
}
-}
\ No newline at end of file
+}
projects / friendica.git / blobdiff