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