3 require_once('simplepie/simplepie.inc');
4 require_once('include/items.php');
5 function dfrn_notify_post(&$a) {
7 $dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : '');
8 $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
9 $challenge = ((x($_POST,'challenge')) ? notags(trim($_POST['challenge'])) : '');
10 $data = ((x($_POST,'data')) ? $_POST['data'] : '');
11 $key = ((x($_POST,'key')) ? $_POST['key'] : '');
12 $dissolve = ((x($_POST,'dissolve')) ? intval($_POST['dissolve']) : 0);
15 if(strpos($dfrn_id,':') == 1) {
16 $direction = intval(substr($dfrn_id,0,1));
17 $dfrn_id = substr($dfrn_id,2);
20 $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
25 logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
29 $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
34 // find the local user who owns this relationship.
39 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
42 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
45 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
53 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
54 `contact`.`pubkey` AS `cpubkey`,
55 `contact`.`prvkey` AS `cprvkey`,
56 `contact`.`thumb` AS `thumb`,
57 `contact`.`url` as `url`,
58 `contact`.`name` as `senderName`,
61 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
62 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
63 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
68 logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
73 // $importer in this case contains the contact record for the remote contact joined with the user record of our user.
77 logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
78 logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
83 * Relationship is dissolved permanently
86 require_once('include/Contact.php');
87 contact_remove($importer['id']);
88 logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
94 $rawkey = hex2bin(trim($key));
95 logger('rino: md5 raw key: ' . md5($rawkey));
98 if($dfrn_version >= 2.1) {
99 if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
100 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
103 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
107 if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
108 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
111 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
115 logger('rino: received key : ' . $final_key);
116 $data = aes_decrypt(hex2bin($data),$final_key);
117 logger('rino: decrypted data: ' . $data, LOGGER_DATA);
123 if($importer['readonly']) {
124 // We aren't receiving stuff from this person. But we will quietly ignore them
125 // rather than a blatant "go away" message.
126 logger('dfrn_notify: ignoring');
131 // Consume notification feed. This may differ from consuming a public feed in several ways
132 // - might contain email
133 // - might contain remote followup to our message
134 // - in which case we need to accept it and then notify other conversants
135 // - we may need to send various email notifications
137 $feed = new SimplePie();
138 $feed->set_raw_data($data);
139 $feed->enable_order_by_date(false);
144 $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
145 if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
147 logger('dfrn_notify: private message received');
150 $base = $rawmail[0]['child'][NAMESPACE_DFRN];
153 $msg['uid'] = $importer['importer_uid'];
154 $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
155 $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
156 $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
157 $msg['contact-id'] = $importer['id'];
158 $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
159 $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
162 $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
163 $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
164 $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
168 $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
169 . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
171 // send email notification if requested.
173 require_once('bbcode.php');
174 if($importer['notify-flags'] & NOTIFY_MAIL) {
176 // $body = html_entity_decode(strip_tags(bbcode(stripslashes(nl2br($msg['body'])))),ENT_QUOTES,'UTF-8');
177 // $body = strip_tags(bbcode(stripslashes(nl2br($msg['body']))));
179 /*if(function_exists('quoted_printable_encode'))
180 $body = quoted_printable_encode($body);
184 $msg['body'] = str_replace(array("\\r\\n", "\\r", "\\n"), "<br />", $msg['body']);
185 $msg['body'] = html_entity_decode(strip_tags(bbcode($msg['body'])));
186 $tpl = load_view_file('view/mail_received_eml.tpl');
187 $email_tpl = replace_macros($tpl, array(
188 '$siteName' => $a->config['sitename'],
189 '$siteurl' => $a->get_baseurl(),
190 '$username' => $importer['username'],
191 '$thumb' => $importer['thumb'],
192 '$email' => $importer['email'],
193 '$url' => $importer['url'],
194 '$senderName' => $importer['senderName'],
195 '$from' => $msg['from-name'],
196 '$title' => stripslashes($msg['title']),
197 '$body' => $msg['body'],
198 '$hostname' => $a->get_hostname()
201 $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
203 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
204 . 'MIME-Version: 1.0' . "\r\n"
205 . 'Content-type: text/html; charset=iso-8859-1' . "\r\n"
206 . 'Content-transfer-encoding: 7-bit' . "\r\n"
213 logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
215 // process any deleted entries
217 $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
218 if(is_array($del_entries) && count($del_entries)) {
219 foreach($del_entries as $dentry) {
221 if(isset($dentry['attribs']['']['ref'])) {
222 $uri = $dentry['attribs']['']['ref'];
224 if(isset($dentry['attribs']['']['when'])) {
225 $when = $dentry['attribs']['']['when'];
226 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
229 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
232 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
234 intval($importer['importer_uid'])
239 if(! $item['deleted'])
240 logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
242 if($item['uri'] == $item['parent-uri']) {
243 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
244 WHERE `parent-uri` = '%s' AND `uid` = %d",
246 dbesc(datetime_convert()),
248 intval($importer['importer_uid'])
252 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
253 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
255 dbesc(datetime_convert()),
257 intval($importer['importer_uid'])
259 if($item['last-child']) {
260 // ensure that last-child is set in case the comment that had it just got wiped.
261 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
262 dbesc(datetime_convert()),
263 dbesc($item['parent-uri']),
266 // who is the last child now?
267 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
268 ORDER BY `created` DESC LIMIT 1",
269 dbesc($item['parent-uri']),
270 intval($importer['importer_uid'])
273 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
285 foreach($feed->get_items() as $item) {
288 $item_id = $item->get_id();
289 $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
290 if(isset($rawthread[0]['attribs']['']['ref'])) {
292 $parent_uri = $rawthread[0]['attribs']['']['ref'];
296 if($feed->get_item_quantity() == 1) {
297 logger('dfrn_notify: received remote comment');
299 // remote reply to our post. Import and then notify everybody else.
300 $datarray = get_atom_elements($feed,$item);
301 $datarray['type'] = 'remote-comment';
302 $datarray['wall'] = 1;
303 $datarray['parent-uri'] = $parent_uri;
304 $datarray['uid'] = $importer['importer_uid'];
305 $datarray['contact-id'] = $importer['id'];
306 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
308 $datarray['type'] = 'activity';
309 $datarray['gravity'] = GRAVITY_LIKE;
310 $datarray['last-child'] = 0;
312 $posted_id = item_store($datarray);
316 $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
318 intval($importer['importer_uid'])
321 $parent = $r[0]['parent'];
324 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
325 dbesc(datetime_convert()),
326 intval($importer['importer_uid']),
327 intval($r[0]['parent'])
330 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
331 dbesc(datetime_convert()),
332 intval($importer['importer_uid']),
337 if($posted_id && $parent) {
339 $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
341 proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
343 if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
344 require_once('bbcode.php');
345 $from = stripslashes($datarray['author-name']);
346 $tpl = load_view_file('view/cmnt_received_eml.tpl');
347 $email_tpl = replace_macros($tpl, array(
348 '$sitename' => $a->config['sitename'],
349 '$siteurl' => $a->get_baseurl(),
350 '$username' => $importer['username'],
351 '$email' => $importer['email'],
352 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
354 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
357 $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
358 $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
366 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
368 $item_id = $item->get_id();
370 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
372 intval($importer['importer_uid'])
374 // FIXME update content if 'updated' changes
376 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
377 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
378 $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
379 intval($allow[0]['data']),
380 dbesc(datetime_convert()),
382 intval($importer['importer_uid'])
387 $datarray = get_atom_elements($feed,$item);
388 $datarray['parent-uri'] = $parent_uri;
389 $datarray['uid'] = $importer['importer_uid'];
390 $datarray['contact-id'] = $importer['id'];
391 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
392 $datarray['type'] = 'activity';
393 $datarray['gravity'] = GRAVITY_LIKE;
395 $r = item_store($datarray);
397 // find out if our user is involved in this conversation and wants to be notified.
399 if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
401 $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
403 intval($importer['importer_uid'])
406 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
407 foreach($myconv as $conv) {
408 if(! link_compare($conv['author-link'],$importer_url))
410 require_once('bbcode.php');
411 $from = stripslashes($datarray['author-name']);
412 $tpl = load_view_file('view/cmnt_received_eml.tpl');
413 $email_tpl = replace_macros($tpl, array(
414 '$sitename' => $a->config['sitename'],
415 '$siteurl' => $a->get_baseurl(),
416 '$username' => $importer['username'],
417 '$email' => $importer['email'],
419 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
420 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
423 $res = mail($importer['email'], $from . t(" commented on an item at ")
424 . $a->config['sitename'],
425 $email_tpl,t("From: Administrator@") . $a->get_hostname() );
434 // Head post of a conversation. Have we seen it? If not, import it.
436 $item_id = $item->get_id();
437 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
439 intval($importer['importer_uid'])
442 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
443 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
444 $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
445 intval($allow[0]['data']),
446 dbesc(datetime_convert()),
448 intval($importer['importer_uid'])
455 $datarray = get_atom_elements($feed,$item);
456 $datarray['parent-uri'] = $item_id;
457 $datarray['uid'] = $importer['importer_uid'];
458 $datarray['contact-id'] = $importer['id'];
459 $r = item_store($datarray);
470 function dfrn_notify_content(&$a) {
472 if(x($_GET,'dfrn_id')) {
474 // initial communication from external contact, $direction is their direction.
475 // If this is a duplex communication, ours will be the opposite.
477 $dfrn_id = notags(trim($_GET['dfrn_id']));
478 $dfrn_version = (float) $_GET['dfrn_version'];
480 logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
483 if(strpos($dfrn_id,':') == 1) {
484 $direction = intval(substr($dfrn_id,0,1));
485 $dfrn_id = substr($dfrn_id,2);
488 $hash = random_string();
492 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
494 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
495 VALUES( '%s', '%s', %d ) ",
501 logger('dfrn_notify: challenge=' . $hash );
506 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
510 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
511 $my_id = '1:' . $dfrn_id;
514 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
515 $my_id = '0:' . $dfrn_id;
522 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
523 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
532 $id_str = $my_id . '.' . mt_rand(1000,9999);
534 if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) {
535 openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
536 openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
539 openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
540 openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
543 $challenge = bin2hex($challenge);
544 $encrypted_id = bin2hex($encrypted_id);
546 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
548 $rino_enable = get_config('system','rino_encrypt');
554 header("Content-type: text/xml");
556 echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
557 . '<dfrn_notify>' . "\r\n"
558 . "\t" . '<status>' . $status . '</status>' . "\r\n"
559 . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
560 . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
561 . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
562 . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
563 . '</dfrn_notify>' . "\r\n" ;