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|
<?php
/**
* Diaspora endpoint
*/
require_once('include/salmon.php');
require_once('include/crypto.php');
require_once('include/diaspora.php');
function receive_post(&$a) {
if($a->argc != 3 || $a->argv[1] !== 'users')
http_status_exit(500);
$guid = $a->argv[2];
$r = q("SELECT * FROM `user` WHERE `guid` = '%s' LIMIT 1",
dbesc($guid)
);
if(! count($r))
http_status_exit(500);
$importer = $r[0];
// I really don't know why we need urldecode - PHP should be doing this for us.
// It is an application/x-www-form-urlencoded
$xml = urldecode($_POST['xml']);
logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
if(! $xml)
http_status_exit(500);
$msg = diaspora_decode($importer,$xml);
logger('mod-diaspora: decoded msg: ' . $msg, LOGGER_DATA);
if(! $msg)
http_status_exit(500);
$parsed_xml = parse_xml_string($msg,false);
$xmlbase = $parsed_xml->post;
// If we reached this point, the message is good.
// Now let's figure out if the author is allowed to send us stuff.
$r = q("SELECT * FROM `contact` WHERE `network` = 'dspr' AND ( `url` = '%s' OR `alias` = '%s')
AND `uid` = %d LIMIT 1",
dbesc($author_link),
dbesc($author_link),
intval($importer['uid'])
);
if(! count($r)) {
logger('mod-diaspora: Author unknown to us.');
}
// is this a follower? Or have we ignored the person?
// If so we can not accept this post.
// However we will accept a sharing e.g. friend request
// or a retraction of same.
$allow_blocked = (($xmlbase->request || ($xmlbase->retraction && $xmlbase->retraction->type == 'Person')) ? true : false);
if((count($r))
&& (($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']) || ($r[0]['readonly']))
&& (! $allow_blocked)) {
logger('mod-diaspora: Ignoring this author.');
http_status_exit(202);
// NOTREACHED
}
require_once('include/items.php');
$contact = ((count($r)) ? $r[0] : null);
if($xmlbase->request) {
diaspora_request($importer,$contact,$xmlbase->request);
}
elseif($xmlbase->status_message) {
diaspora_post($importer,$contact,$xmlbase->status_message);
}
elseif($xmlbase->comment) {
diaspora_comment($importer,$contact,$xmlbase->comment);
}
elseif($xmlbase->like) {
diaspora_like($importer,$contact,$xmlbase->like);
}
elseif($xmlbase->retraction) {
diaspora_retraction($importer,$contact,$xmlbase->retraction);
}
else {
logger('mod-diaspora: unknown message type: ' . print_r($xmlbase,true));
}
http_status_exit(200);
// NOTREACHED
}
|
