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-rw-r--r--include/follow.php3
-rw-r--r--include/zot.php19
2 files changed, 20 insertions, 2 deletions
diff --git a/include/follow.php b/include/follow.php
index 9cf501ef4..2b65e389e 100644
--- a/include/follow.php
+++ b/include/follow.php
@@ -70,6 +70,9 @@ function new_contact($uid,$url,$channel,$interactive = false) {
$x = import_xchan_from_json($j);
+ if(! $x['success'])
+ return $x;
+
// Do we already have an abook entry?
// go directly to the abook edit page.
diff --git a/include/zot.php b/include/zot.php
index 2f11eb299..b577493b3 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -188,10 +188,16 @@ function zot_register_hub($arr) {
function import_xchan_from_json($j) {
+ $ret = array('success' => false);
+
$xchan_hash = base64url_encode(hash('whirlpool',$j->guid . $j->guid_sig, true));
$import_photos = false;
-// FIXME - verify the signature
+ if(! rsa_verify($j->guid,base64url_decode($j->guid_sig),$j->key)) {
+ logger('import_xchan_from_json: Unable to verify channel signature for ' . $j->address);
+ $ret['message'] = t('Unable to verify channel signature');
+ return $ret;
+ }
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($xchan_hash)
@@ -248,6 +254,12 @@ function import_xchan_from_json($j) {
if($j->locations) {
foreach($j->locations as $location) {
+ if(! rsa_verify($location->url,base64url_decode($location->url_sig),$j->key)) {
+ logger('import_xchan_from_json: Unable to verify site signature for ' . $location->url);
+ $ret['message'] .= sprintf( t('Unable to verify site signature for %s'), $location->url) . EOL;
+ continue;
+ }
+
$r = q("select * from hubloc where hubloc_hash = '%s' and hubloc_url = '%s' limit 1",
dbesc($xchan_hash),
dbesc($location->url)
@@ -261,7 +273,6 @@ function import_xchan_from_json($j) {
}
continue;
}
-// FIXME verify the signature
$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_flags, hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey)
values ( '%s','%s','%s','%s', %d ,'%s','%s','%s','%s','%s')",
@@ -281,4 +292,8 @@ function import_xchan_from_json($j) {
}
+ if(! x($ret,'message')) {
+ $ret['success'] = true;
+ }
+ return $ret;
} \ No newline at end of file