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Implement relaying of relayable_retractions

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Also: some whitespace cleanup, fix Diaspora parent DB query
This commit is contained in:
Zach Prezkuta 2012-05-31 19:40:12 -06:00
parent 1fe1ac022f
commit c0af6dbb1a
8 changed files with 194 additions and 43 deletions
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31
include/items.php
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@ -3278,7 +3278,36 @@ function drop_item($id,$interactive = true) {
q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
intval($r[0]['id'])
);
}
}
// Add a relayable_retraction signature for Diaspora. Note that we can't add a target_author_signature
// if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
// the comment, that means we're the home of the post, and Diaspora will only
// check the parent_author_signature of retractions that it doesn't have to relay further
if( strcmp($item['type'], 'activity') != 0) {
$signed_text = $item['guid'] . ';' . 'Comment';
if(local_user() == $item['uid']) {
$handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
$authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
}
else {
$r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
$item['contact-id']
);
if(count($r))
$handle = $r['nick'] . '@' . substr($r['url'], strpos($r['url'],'://') + 3, strpos($r['url'],'/profile') - 1);
}
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)
);
}
}
$drop_id = intval($item['id']);