Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
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291 lines
8.5 KiB
291 lines
8.5 KiB
<?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($_POST['dfrn_id'])); |
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$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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$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' LIMIT 1", |
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dbesc($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($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])); |
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$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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$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", |
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intval($importer['uid']) |
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); |
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require_once('bbcode.php'); |
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if((count($r)) && ($r[0]['notify-flags'] & NOTIFY_MAIL)) { |
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$tpl = file_get_contents('view/mail_received_eml.tpl'); |
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$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' => $r[0]['username'], |
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'$email' => $r[0]['email'], |
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'$from' => $msg['from-name'], |
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'$fn' => $r[0]['name'], |
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'$title' => $msg['title'], |
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'$body' => strip_tags(bbcode($msg['body'])) |
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)); |
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$res = mail($r[0]['email'], t("New mail received at ") . $a->config['sitename'], |
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$email_tpl,t("From: Administrator@") . $a->get_hostname() ); |
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} |
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xml_status(0); |
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return; // NOTREACHED |
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} |
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foreach($feed->get_items() as $item) { |
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$deleted = false; |
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$rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry'); |
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if(isset($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($challenge); |
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$encrypted_id = ''; |
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$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999); |
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openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']); |
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$encrypted_id = bin2hex($encrypted_id); |
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echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $encrypted_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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} |