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-rw-r--r--Zotlabs/Web/HTTPSig.php29
1 files changed, 21 insertions, 8 deletions
diff --git a/Zotlabs/Web/HTTPSig.php b/Zotlabs/Web/HTTPSig.php
index 48adf4ad2..537cd52a1 100644
--- a/Zotlabs/Web/HTTPSig.php
+++ b/Zotlabs/Web/HTTPSig.php
@@ -27,10 +27,18 @@ class HTTPSig {
$body = $data;
$headers = null;
+ $result = [
+ 'signer' => '',
+ 'header_signed' => false,
+ 'header_valid' => false,
+ 'content_signed' => false,
+ 'content_valid' => false
+ ];
+
// decide if $data arrived via controller submission or curl
if(is_array($data) && $data['header']) {
if(! $data['success'])
- return false;
+ return $result;
$h = new \Zotlabs\Web\HTTPHeaders($data['header']);
$headers = $h->fetcharr();
$body = $data['body'];
@@ -59,7 +67,9 @@ class HTTPSig {
}
if(! $sig_block)
- return null;
+ return $result;
+
+ $result['header_signed'] = true;
$signed_headers = $sig_block['headers'];
if(! $signed_headers)
@@ -79,6 +89,7 @@ class HTTPSig {
}
if(! $key) {
+ $result['signer'] = $sig_block['keyId'];
$key = self::get_activitypub_key($sig_block['keyId']);
}
@@ -88,21 +99,23 @@ class HTTPSig {
$x = rsa_verify($signed_data,$sig_block['signature'],$key,$algorithm);
if($x === false)
- return $x;
+ return $result;
+
+ $result['header_valid'] = true;
if(in_array('digest',$signed_headers)) {
+ $result['content_signed'] = true;
$digest = explode('=', $headers['digest']);
if($digest[0] === 'SHA-256')
$hashalg = 'sha256';
// The explode operation will have stripped the '=' padding, so compare against unpadded base64
- if(rtrim(base64_encode(hash($hashalg,$body,true)),'=') === $digest[1])
- return true;
- else
- return false;
+ if(rtrim(base64_encode(hash($hashalg,$body,true)),'=') === $digest[1]) {
+ $result['content_valid'] = true;
+ }
}
- return $x;
+ return $result;
}