Neil, we tried your patch, but experienced the same intermittent results and now confirm that it is always when the signature is generated with a "+". Ran across this sample code at Amazon and reversed it for the decode and it seems to have solved our problem.
http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html?Query_QueryAuth.html (Java example) Also at: http://pastebin.com/mb5e64d1 *** WalrusAuthenticationHandler.java 2009-11-05 05:25:20.000000000 -0500 --- WalrusAuthenticationHandler.java.ulicny 2009-11-17 15:10:30.000000000 -0500 *************** *** 252,258 **** //query string authentication String accesskeyid = parameters.remove(SecurityParameter.AWSAccessKeyId.toString()); try { ! String signature = URLDecoder.decode(parameters.remove(SecurityParameter.Signature.toString()), "UTF-8"); if(signature == null) { throw new AuthenticationException("User authentication failed. Null signature."); } --- 252,261 ---- //query string authentication String accesskeyid = parameters.remove(SecurityParameter.AWSAccessKeyId.toString()); try { ! String signature = URLDecoder.decode(parameters.remove(SecurityParameter.Signature.toString()), "UTF-8") ! .replace("%20", "+") ! .replace("%2A", "*") ! .replace("~", "%7E"); if(signature == null) { throw new AuthenticationException("User authentication failed. Null signature."); } -- Query string authentication does not work in some cases https://bugs.launchpad.net/bugs/477776 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
