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Retraction do work as well

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Michael Vogel 2016-03-17 12:24:23 +01:00 • committed by Roland Haeder
commit 22c889c319
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7 changed files with 29 additions and 178 deletions
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51
include/items.php
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@ -1980,9 +1980,6 @@ function drop_item($id,$interactive = true) {
intval($r[0]['id'])
);
}
// Add a relayable_retraction signature for Diaspora.
store_diaspora_retract_sig($item, $a->user, $a->get_baseurl());
}
$drop_id = intval($item['id']);
@ -2115,51 +2112,3 @@ function posted_date_widget($url,$uid,$wall) {
));
return $o;
}
function store_diaspora_retract_sig($item, $user, $baseurl) {
// Note that we can't add a target_author_signature
// if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
// the comment, that means we're the home of the post, and Diaspora will only
// check the parent_author_signature of retractions that it doesn't have to relay further
//
// I don't think this function gets called for an "unlike," but I'll check anyway
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled) {
logger('drop_item: diaspora support disabled, not storing retraction signature', LOGGER_DEBUG);
return;
}
logger('drop_item: storing diaspora retraction signature');
$signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
if(local_user() == $item['uid']) {
$handle = $user['nickname'] . '@' . substr($baseurl, strpos($baseurl,'://') + 3);
$authorsig = base64_encode(rsa_sign($signed_text,$user['prvkey'],'sha256'));
}
else {
$r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
$item['contact-id'] // If this function gets called, drop_item() has already checked remote_user() == $item['contact-id']
);
if(count($r)) {
// The below handle only works for NETWORK_DFRN. I think that's ok, because this function
// only handles DFRN deletes
$handle_baseurl_start = strpos($r['url'],'://') + 3;
$handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start;
$handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length);
$authorsig = '';
}
}
if(isset($handle))
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($item['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($handle)
);
return;
}