Merge pull request #14493 from annando/issue-14488

Issue 14488: Extended date change range for signatures

src/Util/HTTPSignature.php

@@ -761,9 +761,9 @@ class HTTPSignature
 		}
 
 		if (in_array('(expires)', $sig_block['headers']) && !empty($sig_block['expires'])) {
-			$expired = min($sig_block['expires'], $created + 300);
+			$expired = min($sig_block['expires'], $created + 3600);
 		} else {
-			$expired = $created + 300;
+			$expired = $created + 3600;
 		}
 
 		//  Check if the signed date field is in an acceptable range