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-rw-r--r--include/hubloc.php8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/hubloc.php b/include/hubloc.php
index 17f921f67..6f81ea31f 100644
--- a/include/hubloc.php
+++ b/include/hubloc.php
@@ -200,6 +200,14 @@ function xchan_store($arr) {
if(! $arr['photo'])
$arr['photo'] = z_root() . '/' . get_default_profile_photo();
+
+ if($arr['network'] === 'zot') {
+ if((! $arr['key']) || (! rsa_verify($arr['guid'],base64url_decode($arr['guid_sig']),$arr['key']))) {
+ logger('Unable to verify signature for ' . $arr['hash']);
+ return false;
+ }
+ }
+
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_addr, xchan_url, xchan_connurl, xchan_follow, xchan_connpage, xchan_name, xchan_network, xchan_instance_url, xchan_hidden, xchan_orphan, xchan_censored, xchan_selfcensored, xchan_system, xchan_pubforum, xchan_deleted, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s','%s','%s','%s',%d, %d, %d, %d, %d, %d, %d, '%s') ",
dbesc($arr['hash']),
dbesc($arr['guid']),