/**
* Formats a challenge response as a HTTP Authorization header value needed by ACS Management
* OData Service
*/
@Override
public String formatResponse(
ChallengeResponse challenge, Request request, Series<Parameter> httpHeaders) {
ChallengeWriter challengeWriter = new ChallengeWriter();
challengeWriter.append(challenge.getScheme().getTechnicalName()).appendSpace();
if (challenge.getRawValue() != null) {
challengeWriter.append(challenge.getRawValue());
} else {
formatRawResponse(challengeWriter, challenge, request, httpHeaders);
}
// Get ACS credentails
String acsNameSpace = challenge.getIdentifier();
String acsMgmtPassword = new String(challenge.getSecret());
// Get token from ACS
String swtToken = getTokenFromACS(acsNameSpace, acsMgmtPassword);
// Append ACS token to the ChallengeWriter. Restlet library will
// automatically
// add this as Authorization HTTP header and use scheme technical name
// ("bearer").
return challengeWriter.toString() + swtToken;
}
/** Test Amazon S3 authentication. */
public void testAwsS3() {
HttpAwsS3Helper helper = new HttpAwsS3Helper();
// Example Object GET
ChallengeWriter cw = new ChallengeWriter();
ChallengeResponse challenge =
new ChallengeResponse(
ChallengeScheme.HTTP_AWS_S3,
"0PN5J17HBGZHT7JJ3X82",
"uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o");
Request request = new Request(Method.GET, "http://johnsmith.s3.amazonaws.com/photos/puppy.jpg");
Form httpHeaders = new Form();
httpHeaders.add(HeaderConstants.HEADER_DATE, "Tue, 27 Mar 2007 19:36:42 +0000");
helper.formatRawResponse(cw, challenge, request, httpHeaders);
assertEquals("0PN5J17HBGZHT7JJ3X82:xXjDGYUmKxnwqr5KXNPGldn5LbA=", cw.toString());
// Example Object PUT
cw = new ChallengeWriter();
request.setMethod(Method.PUT);
httpHeaders.set(HeaderConstants.HEADER_DATE, "Tue, 27 Mar 2007 21:15:45 +0000", true);
httpHeaders.add(HeaderConstants.HEADER_CONTENT_LENGTH, "94328");
httpHeaders.add(HeaderConstants.HEADER_CONTENT_TYPE, "image/jpeg");
helper.formatRawResponse(cw, challenge, request, httpHeaders);
assertEquals("0PN5J17HBGZHT7JJ3X82:hcicpDDvL9SsO6AkvxqmIWkmOuQ=", cw.toString());
}