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-rwxr-xr-xinclude/items.php32
1 files changed, 25 insertions, 7 deletions
diff --git a/include/items.php b/include/items.php
index c3b57f6cb..f290b5ec1 100755
--- a/include/items.php
+++ b/include/items.php
@@ -625,14 +625,17 @@ function get_item_elements($x,$allow_code = false) {
return array();
// save a potentially expensive lookup if author == owner
+
if($arr['author_xchan'] === make_xchan_hash($x['owner']['guid'],$x['owner']['guid_sig']))
$arr['owner_xchan'] = $arr['author_xchan'];
else {
$xchan_hash = import_author_xchan($x['owner']);
- if($xchan_hash)
+ if($xchan_hash) {
$arr['owner_xchan'] = $xchan_hash;
- else
+ }
+ else {
return array();
+ }
}
// Check signature on the body text received.
@@ -649,10 +652,25 @@ function get_item_elements($x,$allow_code = false) {
$r = q("select xchan_pubkey from xchan where xchan_hash = '%s' limit 1",
dbesc($arr['author_xchan'])
);
- if($r && rsa_verify($x['body'],base64url_decode($arr['sig']),$r[0]['xchan_pubkey']))
- $arr['item_verified'] = 1;
- else
- logger('get_item_elements: message verification failed.');
+ if($r) {
+ if($r[0]['xchan_pubkey']) {
+ if(rsa_verify($x['body'],base64url_decode($arr['sig']),$r[0]['xchan_pubkey'])) {
+ $arr['item_verified'] = 1;
+ }
+ else {
+ logger('get_item_elements: message verification failed.');
+ }
+ }
+ else {
+
+ // If we don't have a public key, strip the signature so it won't show as invalid.
+ // This won't happen in normal use, but could happen if import_author_xchan()
+ // failed to load the zot-info packet due to a server failure and had
+ // to create an alternate xchan with network 'unknown'
+
+ unset($arr['sig']);
+ }
+ }
}
// if the input is markdown, remove one level of html escaping.
@@ -1107,7 +1125,7 @@ function encode_item_xchan($xchan) {
$ret['address'] = $xchan['xchan_addr'];
$ret['url'] = $xchan['xchan_url'];
$ret['network'] = $xchan['xchan_network'];
- $ret['photo'] = array('mimetype' => $xchan['xchan_photo_mimetype'], 'src' => $xchan['xchan_photo_m']);
+ $ret['photo'] = [ 'mimetype' => $xchan['xchan_photo_mimetype'], 'src' => $xchan['xchan_photo_m'] ];
$ret['guid'] = $xchan['xchan_guid'];
$ret['guid_sig'] = $xchan['xchan_guid_sig'];