263 lines
7.6 KiB
PHP
263 lines
7.6 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(&$a) {
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dbg(3);
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$dfrn_id = notags(trim($_POST['dfrn_id']));
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$challenge = notags(trim($_POST['challenge']));
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$data = $_POST['data'];
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$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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$r = q("SELECT `id`, `uid` FROM `contact` WHERE `issued-id` = '%s' LIMIT 1",
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dbesc($dfrn_id)
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);
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if(! count($r)) {
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xml_status(3);
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return; //NOTREACHED
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}
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// We aren't really interested in anything this person has to say. But be polite and make them
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// think we're listening intently by acknowledging receipt of their communications - which we quietly ignore.
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if($r[0]['readonly']) {
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xml_status(0);
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return; //NOTREACHED
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}
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$importer = $r[0];
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$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'] = $importer['uid'];
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$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($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
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$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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$r = q("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
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. "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
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// send email notification if requested.
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xml_status(0);
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return;
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}
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foreach($feed->get_items() as $item) {
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$deleted = false;
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$rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
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if(isset($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['uid'])
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);
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if(count($r)) {
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if($r[0]['uri'] == $r[0]['parent-uri']) {
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$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
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WHERE `parent-uri` = '%s'",
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dbesc($when),
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dbesc($r[0]['uri'])
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);
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}
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else {
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$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
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WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($when),
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dbesc($uri),
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intval($importer['uid'])
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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 = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
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if(isset($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($item);
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$urn = explode(':',$parent_urn);
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$datarray['type'] = 'remote-comment';
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$datarray['parent-uri'] = $parent_uri;
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$datarray['uid'] = $importer['uid'];
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$datarray['contact-id'] = $importer['id'];
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$posted_id = post_remote($a,$datarray);
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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($importer['uid'])
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);
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if(count($r)) {
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$r1 = q("UPDATE `item` SET `last-child` = 0 WHERE `uid` = %d AND `parent` = %d",
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intval($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 WHERE `uid` = %d AND `id` = %d LIMIT 1",
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intval($importer['uid']),
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intval($posted_id)
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);
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$url = $a->get_baseurl();
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proc_close(proc_open("php include/notifier.php $url comment-import $posted_id > remote-notify.log &", array(),$foo));
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xml_status(0);
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return;
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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['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 = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
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if($allow && $allow[0]['data'] != $r[0]['last-child']) {
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$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc($item_id),
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intval($importer['uid'])
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);
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}
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continue;
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}
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$datarray = get_atom_elements($item);
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$datarray['parent-uri'] = $parent_uri;
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$datarray['uid'] = $importer['uid'];
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$datarray['contact-id'] = $importer['id'];
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$r = post_remote($a,$datarray);
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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['uid'])
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);
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if(count($r)) {
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$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
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if($allow && $allow[0]['data'] != $r[0]['last-child']) {
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$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc($item_id),
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intval($importer['uid'])
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);
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}
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continue;
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}
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$datarray = get_atom_elements($item);
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$datarray['parent-uri'] = $item_id;
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$datarray['uid'] = $importer['uid'];
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$datarray['contact-id'] = $importer['id'];
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$r = post_remote($a,$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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killme();
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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
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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($hash),
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dbesc(notags(trim($_GET['dfrn_id']))),
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intval(time() + 60 )
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);
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$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
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dbesc($_GET['dfrn_id']));
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if((! count($r)) || (! strlen($r[0]['prvkey'])))
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$status = 1;
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$challenge = '';
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openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
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$challenge = bin2hex($challenge);
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echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
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. '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
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session_write_close();
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exit;
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}
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} |