friendica/mod/dfrn_notify.php

595 lines
20 KiB
PHP
Raw Normal View History

2010-07-05 05:45:56 +02:00
<?php
2010-07-15 08:04:10 +02:00
require_once('simplepie/simplepie.inc');
2010-07-19 05:49:10 +02:00
require_once('include/items.php');
2010-07-16 10:26:42 +02:00
function dfrn_notify_post(&$a) {
2010-07-31 06:22:52 +02:00
2010-12-01 03:32:34 +01:00
$dfrn_id = ((x($_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'] : '');
2011-01-25 12:57:10 +01:00
$dissolve = ((x($_POST,'dissolve')) ? intval($_POST['dissolve']) : 0);
2010-09-13 06:25:37 +02:00
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
2010-07-05 05:45:56 +02:00
$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
);
2010-11-24 00:55:11 +01:00
if(! count($r)) {
logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
2010-07-05 05:45:56 +02:00
xml_status(3);
2010-11-24 00:55:11 +01:00
}
2010-07-05 05:45:56 +02:00
$r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
);
2010-07-16 10:26:42 +02:00
// find the local user who owns this relationship.
2010-09-13 06:25:37 +02:00
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
2010-09-13 06:25:37 +02:00
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`,
`contact`.`thumb` AS `thumb`,
`contact`.`url` as `url`,
`contact`.`name` as `senderName`,
`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])
2010-07-16 10:26:42 +02:00
);
2010-08-17 07:05:04 +02:00
2010-07-28 07:32:21 +02:00
if(! count($r)) {
2010-11-24 00:55:11 +01:00
logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
2010-07-16 10:26:42 +02:00
xml_status(3);
//NOTREACHED
2010-07-28 07:32:21 +02:00
}
2010-07-16 10:26:42 +02:00
2011-01-25 12:57:10 +01:00
// $importer in this case contains the contact record for the remote contact joined with the user record of our user.
2010-07-16 10:26:42 +02:00
$importer = $r[0];
2010-11-24 00:55:11 +01:00
logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
if($dissolve == 1) {
/**
* Relationship is dissolved permanently
*/
require_once('include/Contact.php');
contact_remove($importer['id']);
logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
xml_status(0);
}
2010-12-01 03:32:34 +01:00
if(strlen($key)) {
$rawkey = hex2bin(trim($key));
logger('rino: md5 raw key: ' . md5($rawkey));
$final_key = '';
2011-02-02 07:45:46 +01:00
if($dfrn_version >= 2.1) {
if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
}
else {
openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
}
2010-12-01 03:32:34 +01:00
}
else {
if((($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']);
}
2010-12-01 03:32:34 +01:00
}
logger('rino: received key : ' . $final_key);
$data = aes_decrypt(hex2bin($data),$final_key);
logger('rino: decrypted data: ' . $data, LOGGER_DATA);
}
2011-01-25 12:57:10 +01:00
if($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
}
// 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
2010-07-15 08:04:10 +02:00
$feed = new SimplePie();
$feed->set_raw_data($data);
2010-07-16 10:26:42 +02:00
$feed->enable_order_by_date(false);
2010-07-15 08:04:10 +02:00
$feed->init();
2010-07-05 05:45:56 +02:00
2010-07-30 15:09:20 +02:00
$ismail = false;
$rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
2010-08-17 07:05:04 +02:00
2010-11-24 00:55:11 +01:00
logger('dfrn_notify: private message received');
2010-07-30 15:09:20 +02:00
$ismail = true;
$base = $rawmail[0]['child'][NAMESPACE_DFRN];
$msg = array();
$msg['uid'] = $importer['importer_uid'];
2010-07-30 15:09:20 +02:00
$msg['from-name'] = notags(unxmlify($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']));
2010-07-30 15:09:20 +02:00
$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'])));
2010-08-23 05:57:20 +02:00
2010-08-13 14:59:59 +02:00
dbesc_array($msg);
2010-08-11 07:14:17 +02:00
$r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
2010-07-30 15:09:20 +02:00
. "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
// send email notification if requested.
2010-08-10 07:58:58 +02:00
require_once('bbcode.php');
if($importer['notify-flags'] & NOTIFY_MAIL) {
2010-10-29 01:05:09 +02:00
// $body = html_entity_decode(strip_tags(bbcode(stripslashes(nl2br($msg['body'])))),ENT_QUOTES,'UTF-8');
// $body = strip_tags(bbcode(stripslashes(nl2br($msg['body']))));
/*if(function_exists('quoted_printable_encode'))
2010-10-29 01:05:09 +02:00
$body = quoted_printable_encode($body);
else
$body = qp($body);*/
2010-10-29 01:05:09 +02:00
//$msg['body'] = str_replace(array("\\r\\n", "\\r", "\\n"), "<br />", $msg['body']);
//$msg['body'] = html_entity_decode(strip_tags(bbcode($msg['body'])));
$msg['mimeboundary'] =rand(0,9)."-"
.rand(10000000000,9999999999)."-"
.rand(10000000000,9999999999)."=:"
.rand(10000,99999);
$msg['notificationfromname'] = t('Administrator');
$msg['notificationfromemail'] = t('noreply') . '@' . $a->get_hostname();
$msg['headers'] =
"From: {$msg['notificationfromname']} <{$msg['notificationfromemail']}>\n" .
"Reply-To: {$msg['notificationfromemail']}\n" .
"MIME-Version: 1.0\n" .
"Content-Type: multipart/alternative; boundary=\"{$msg['mimeboundary']}\"";
$msg['textversion']
= strip_tags(html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r", "\\n"), "\n",$msg['body']))),ENT_QUOTES,'UTF-8'));
//$TextMessage = html_entity_decode(strip_tags(bbcode(str_replace(array("\\r\\n", "\\r", "\\n"), "\n",$msg['body'])))); ;
$msg['htmlversion']
= html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r", "\\n"), "<br />\n",$msg['body']))));
$tpl = load_view_file('view/mail_received_eml.tpl');
2010-08-10 07:58:58 +02:00
$email_tpl = replace_macros($tpl, array(
'$siteName' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$username' => $importer['username'],
'$thumb' => $importer['thumb'],
'$email' => $importer['email'],
'$url' => $importer['url'],
'$senderName' => $importer['senderName'],
'$from' => $msg['from-name'],
'$title' => stripslashes($msg['title']),
'$textversion' => $msg['textversion'],
'$htmlversion' => $msg['htmlversion'],
'$mimeboundary' => $msg['mimeboundary'],
'$hostname' => $a->get_hostname()
2010-08-10 14:58:22 +02:00
));
logger("message headers: " . $msg['headers']);
logger("message body: " . $mail_tpl);
2010-09-10 01:48:33 +02:00
$res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
$email_tpl, $msg['headers']
/* 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
2010-10-29 01:05:09 +02:00
. 'MIME-Version: 1.0' . "\r\n"
. 'Content-type: text/html; charset=utf-8' . "\r\n"
. 'Content-transfer-encoding: quoted-printable' . "\r\n" */
2010-10-29 01:05:09 +02:00
);
2010-08-10 07:58:58 +02:00
}
2010-07-30 15:09:20 +02:00
xml_status(0);
// NOTREACHED
2010-07-30 15:09:20 +02:00
}
logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
2010-07-30 15:09:20 +02:00
2011-02-08 13:25:27 +01:00
// process any deleted entries
$del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
if(is_array($del_entries) && count($del_entries)) {
foreach($del_entries as $dentry) {
$deleted = false;
if(isset($dentry['attribs']['']['ref'])) {
$uri = $dentry['attribs']['']['ref'];
$deleted = true;
if(isset($dentry['attribs']['']['when'])) {
$when = $dentry['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];
2010-07-16 10:26:42 +02:00
2011-02-08 13:25:27 +01:00
if(! $item['deleted'])
logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
2010-07-26 12:33:56 +02:00
2011-02-08 13:25:27 +01:00
if($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),
2010-08-30 06:55:57 +02:00
dbesc(datetime_convert()),
2011-02-08 13:25:27 +01:00
dbesc($item['uri']),
intval($importer['importer_uid'])
2010-08-30 06:55:57 +02:00
);
2011-02-08 13:25:27 +01:00
}
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'])
2010-08-30 06:55:57 +02:00
);
2011-02-08 13:25:27 +01:00
if($item['last-child']) {
// ensure that last-child is set in case the comment that had it just got wiped.
q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
2011-02-08 13:25:27 +01:00
dbesc(datetime_convert()),
dbesc($item['parent-uri']),
intval($item['uid'])
2010-08-30 06:55:57 +02:00
);
2011-02-08 13:25:27 +01:00
// 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($r[0]['id'])
);
}
}
}
2010-07-26 12:33:56 +02:00
}
2011-02-08 13:25:27 +01:00
}
2010-07-16 10:26:42 +02:00
}
2011-02-08 13:25:27 +01:00
}
foreach($feed->get_items() as $item) {
2010-07-16 10:26:42 +02:00
$is_reply = false;
$item_id = $item->get_id();
2010-09-10 01:48:33 +02:00
$rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
2010-07-16 10:26:42 +02:00
if(isset($rawthread[0]['attribs']['']['ref'])) {
$is_reply = true;
2010-07-19 08:23:18 +02:00
$parent_uri = $rawthread[0]['attribs']['']['ref'];
2010-07-16 10:26:42 +02:00
}
if($is_reply) {
if($feed->get_item_quantity() == 1) {
logger('dfrn_notify: received remote comment');
2010-12-03 21:27:54 +01:00
$is_like = false;
2010-07-16 10:26:42 +02:00
// remote reply to our post. Import and then notify everybody else.
$datarray = get_atom_elements($feed,$item);
2010-07-18 04:26:00 +02:00
$datarray['type'] = 'remote-comment';
2010-09-10 04:14:42 +02:00
$datarray['wall'] = 1;
2010-07-19 08:23:18 +02:00
$datarray['parent-uri'] = $parent_uri;
$datarray['uid'] = $importer['importer_uid'];
$datarray['contact-id'] = $importer['id'];
2010-09-17 12:10:19 +02:00
if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
2010-12-03 21:27:54 +01:00
$is_like = true;
2010-09-17 12:10:19 +02:00
$datarray['type'] = 'activity';
$datarray['gravity'] = GRAVITY_LIKE;
2010-12-03 21:27:54 +01:00
$datarray['last-child'] = 0;
2010-09-17 12:10:19 +02:00
}
$posted_id = item_store($datarray);
$parent = 0;
2010-07-18 04:26:00 +02:00
if($posted_id) {
$r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($posted_id),
intval($importer['importer_uid'])
);
if(count($r))
$parent = $r[0]['parent'];
2011-02-08 13:25:27 +01:00
if(! $is_like) {
$r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
dbesc(datetime_convert()),
intval($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($posted_id)
2010-09-09 05:14:17 +02:00
);
}
if($posted_id && $parent) {
$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
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'])))
));
2011-02-08 13:25:27 +01:00
$res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
$email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
}
2010-09-09 05:14:17 +02:00
}
xml_status(0);
// NOTREACHED
}
2010-07-16 10:26:42 +02:00
}
else {
// regular comment that is part of this total conversation. Have we seen it? If not, import it.
$item_id = $item->get_id();
2010-07-19 08:23:18 +02:00
$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2010-07-16 10:26:42 +02:00
dbesc($item_id),
intval($importer['importer_uid'])
2010-07-16 10:26:42 +02:00
);
2010-07-18 04:26:00 +02:00
// FIXME update content if 'updated' changes
2010-07-16 10:26:42 +02:00
if(count($r)) {
$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
2010-07-16 10:26:42 +02:00
if($allow && $allow[0]['data'] != $r[0]['last-child']) {
2010-08-23 05:57:20 +02:00
$r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2010-07-16 10:26:42 +02:00
intval($allow[0]['data']),
2010-08-23 05:57:20 +02:00
dbesc(datetime_convert()),
2010-07-18 04:26:00 +02:00
dbesc($item_id),
intval($importer['importer_uid'])
2010-07-16 10:26:42 +02:00
);
}
continue;
}
$datarray = get_atom_elements($feed,$item);
2010-07-19 08:23:18 +02:00
$datarray['parent-uri'] = $parent_uri;
$datarray['uid'] = $importer['importer_uid'];
2010-07-16 10:26:42 +02:00
$datarray['contact-id'] = $importer['id'];
2010-09-17 12:10:19 +02:00
if(($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.
2010-09-17 12:10:19 +02:00
if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
$myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
2010-09-09 14:25:01 +02:00
dbesc($parent_uri),
intval($importer['importer_uid'])
);
if(count($myconv)) {
$importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
foreach($myconv as $conv) {
if(! link_compare($conv['author-link'],$importer_url))
continue;
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);
2011-02-08 13:25:27 +01:00
$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/' . $importer['nickname'] . '/' . $r,
'$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;
}
}
}
2010-07-16 10:26:42 +02:00
continue;
}
}
else {
// Head post of a conversation. Have we seen it? If not, import it.
$item_id = $item->get_id();
2010-07-19 08:23:18 +02:00
$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2010-07-16 10:26:42 +02:00
dbesc($item_id),
intval($importer['importer_uid'])
2010-07-16 10:26:42 +02:00
);
if(count($r)) {
$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
2010-07-16 10:26:42 +02:00
if($allow && $allow[0]['data'] != $r[0]['last-child']) {
2010-08-23 05:57:20 +02:00
$r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2010-07-16 10:26:42 +02:00
intval($allow[0]['data']),
2010-08-23 05:57:20 +02:00
dbesc(datetime_convert()),
2010-07-18 04:26:00 +02:00
dbesc($item_id),
intval($importer['importer_uid'])
2010-07-16 10:26:42 +02:00
);
}
continue;
}
$datarray = get_atom_elements($feed,$item);
2010-07-19 15:58:03 +02:00
$datarray['parent-uri'] = $item_id;
$datarray['uid'] = $importer['importer_uid'];
2010-07-16 10:26:42 +02:00
$datarray['contact-id'] = $importer['id'];
$r = item_store($datarray);
2010-07-16 10:26:42 +02:00
continue;
}
2010-07-15 08:04:10 +02:00
}
2010-07-05 05:45:56 +02:00
2010-07-18 04:26:00 +02:00
xml_status(0);
// NOTREACHED
2010-07-05 05:45:56 +02:00
}
function dfrn_notify_content(&$a) {
if(x($_GET,'dfrn_id')) {
2010-09-13 06:25:37 +02:00
// 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'];
2010-11-24 00:55:11 +01:00
logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
2010-09-13 06:25:37 +02:00
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
2010-07-05 05:45:56 +02:00
$hash = random_string();
$status = 0;
$r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
$r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
VALUES( '%s', '%s', %d ) ",
2010-07-05 05:45:56 +02:00
dbesc($hash),
2010-09-13 06:25:37 +02:00
dbesc($dfrn_id),
intval(time() + 90 )
2010-07-05 05:45:56 +02:00
);
logger('dfrn_notify: challenge=' . $hash );
2010-09-13 06:25:37 +02:00
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
2010-09-13 06:25:37 +02:00
$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])
);
2010-09-13 06:25:37 +02:00
2010-09-02 09:31:11 +02:00
if(! count($r))
2010-07-05 05:45:56 +02:00
$status = 1;
$challenge = '';
$encrypted_id = '';
2010-09-13 06:25:37 +02:00
$id_str = $my_id . '.' . mt_rand(1000,9999);
if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) {
2010-09-02 09:31:11 +02:00
openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
}
else {
openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
}
2010-09-02 09:31:11 +02:00
$challenge = bin2hex($challenge);
$encrypted_id = bin2hex($encrypted_id);
2010-12-01 22:39:00 +01:00
$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"
2010-12-01 22:39:00 +01:00
. "\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();
2010-07-05 05:45:56 +02:00
}
}