3 require_once('simplepie/simplepie.inc');
4 require_once('include/items.php');
7 function dfrn_notify_post(&$a) {
9 $dfrn_id = notags(trim($_POST['dfrn_id']));
10 $challenge = notags(trim($_POST['challenge']));
11 $data = $_POST['data'];
12 $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
19 $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
24 // find the local user who owns this relationship.
26 $r = q("SELECT `id`, `uid` FROM `contact` WHERE `issued-id` = '%s' LIMIT 1",
34 // We aren't really interested in anything this person has to say. But be polite and make them
35 // think we're listening intently by acknowledging receipt of their communications - which we quietly ignore.
37 if($r[0]['readonly']) {
44 $feed = new SimplePie();
45 $feed->set_raw_data($data);
46 $feed->enable_order_by_date(false);
49 foreach($feed->get_items() as $item) {
53 $rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
54 if(isset($rawdelete[0]['attribs']['']['ref'])) {
55 $uri = $rawthread[0]['attribs']['']['ref'];
57 if(isset($rawdelete[0]['attribs']['']['when'])) {
58 $when = $rawthread[0]['attribs']['']['when'];
59 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
62 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
65 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
67 intval($importer['uid'])
70 if($r[0]['uri'] == $r[0]['parent-uri']) {
71 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
72 WHERE `parent-uri` = '%s'",
78 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
79 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
82 intval($importer['uid'])
90 $item_id = $item->get_id();
91 $rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
92 if(isset($rawthread[0]['attribs']['']['ref'])) {
94 $parent_uri = $rawthread[0]['attribs']['']['ref'];
99 if($feed->get_item_quantity() == 1) {
100 // remote reply to our post. Import and then notify everybody else.
101 $datarray = get_atom_elements($item);
102 $urn = explode(':',$parent_urn);
103 $datarray['type'] = 'remote-comment';
104 $datarray['parent-uri'] = $parent_uri;
105 $datarray['uid'] = $importer['uid'];
106 $datarray['contact-id'] = $importer['id'];
107 $posted_id = post_remote($a,$datarray);
109 $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
111 intval($importer['uid'])
114 $r1 = q("UPDATE `item` SET `last-child` = 0 WHERE `uid` = %d AND `parent` = %d",
115 intval($importer['uid']),
116 intval($r[0]['parent'])
119 $r2 = q("UPDATE `item` SET `last-child` = 1 WHERE `uid` = %d AND `id` = %d LIMIT 1",
120 intval($importer['uid']),
124 $url = $a->get_baseurl();
126 proc_close(proc_open("php include/notifier.php $url comment-import $posted_id > remote-notify.log &", array(),$foo));
133 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
135 $item_id = $item->get_id();
137 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
139 intval($importer['uid'])
141 // FIXME update content if 'updated' changes
143 $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
144 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
145 $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
146 intval($allow[0]['data']),
148 intval($importer['uid'])
153 $datarray = get_atom_elements($item);
154 $datarray['parent-uri'] = $parent_uri;
155 $datarray['uid'] = $importer['uid'];
156 $datarray['contact-id'] = $importer['id'];
157 $r = post_remote($a,$datarray);
162 // Head post of a conversation. Have we seen it? If not, import it.
164 $item_id = $item->get_id();
165 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
167 intval($importer['uid'])
170 $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
171 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
172 $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
173 intval($allow[0]['data']),
175 intval($importer['uid'])
182 $datarray = get_atom_elements($item);
183 $datarray['parent-uri'] = $item_id;
184 $datarray['uid'] = $importer['uid'];
185 $datarray['contact-id'] = $importer['id'];
186 $r = post_remote($a,$datarray);
199 function dfrn_notify_content(&$a) {
201 if(x($_GET,'dfrn_id')) {
202 // initial communication from external contact
203 $hash = random_string();
207 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
209 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
210 VALUES( '%s', '%s', '%s') ",
212 dbesc(notags(trim($_GET['dfrn_id']))),
216 $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
217 dbesc($_GET['dfrn_id']));
218 if((! count($r)) || (! strlen($r[0]['prvkey'])))
223 openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
224 $challenge = bin2hex($challenge);
225 echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
226 . '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
227 session_write_close();