/** Creates the SAML Bearer Token that will be used to authenticate to the S-RAMP Atom API. */
private static String createSAMLBearerTokenAssertion() {
String issuer = SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_ISSUER);
String service = SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_SERVICE);
String samlAssertion = SAMLAssertionUtil.createSAMLAssertion(issuer, service);
boolean signAssertion =
"true"
.equals(
SrampUIConfig.config.getString(
SrampUIConfig.SRAMP_API_SAML_AUTH_SIGN_ASSERTIONS)); // $NON-NLS-1$
if (signAssertion) {
String keystorePath =
SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_KEYSTORE);
String keystorePassword =
SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_KEYSTORE_PASSWORD);
String keyAlias = SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_KEY_ALIAS);
String keyAliasPassword =
SrampUIConfig.config.getString(SrampUIConfig.SRAMP_API_SAML_AUTH_KEY_PASSWORD);
try {
KeyStore keystore = SAMLBearerTokenUtil.loadKeystore(keystorePath, keystorePassword);
KeyPair keyPair = SAMLBearerTokenUtil.getKeyPair(keystore, keyAlias, keyAliasPassword);
samlAssertion = SAMLBearerTokenUtil.signSAMLAssertion(samlAssertion, keyPair);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return samlAssertion;
}
/**
* Loads the keystore.
*
* @throws IOException
*/
private KeyStore loadKeystore() throws IOException {
try {
return SAMLBearerTokenUtil.loadKeystore(keystorePath, keystorePassword);
} catch (Exception e) {
e.printStackTrace();
throw new IOException(
Messages.getString("SamlBearerTokenAuthFilter.ErrorLoadingKeystore")
+ e.getMessage()); // $NON-NLS-1$
}
}
/**
* Gets the key pair to use to validate the assertion's signature. The key pair is retrieved from
* the keystore.
*
* @param assertion
* @throws IOException
*/
private KeyPair getKeyPair(AssertionType assertion) throws IOException {
KeyStore keystore = loadKeystore();
try {
return SAMLBearerTokenUtil.getKeyPair(keystore, keyAlias, keyPassword);
} catch (Exception e) {
e.printStackTrace();
throw new IOException(
Messages.getString("SamlBearerTokenAuthFilter.FailedToGetKeyPair")
+ keyAlias); //$NON-NLS-1$
}
}
/**
* Handles SAML Bearer token authentication. Assumes the password is an encoded SAML assertion.
*
* @param assertionData
* @param request
* @throws IOException
*/
protected SimplePrincipal doSamlLogin(String assertionData, HttpServletRequest request)
throws IOException {
try {
Document samlAssertion = DocumentUtil.getDocument(assertionData);
SAMLAssertionParser parser = new SAMLAssertionParser();
XMLEventReader xmlEventReader =
XMLInputFactory.newInstance().createXMLEventReader(new StringReader(assertionData));
Object parsed = parser.parse(xmlEventReader);
AssertionType assertion = (AssertionType) parsed;
SAMLBearerTokenUtil.validateAssertion(assertion, request, allowedIssuers);
if (signatureRequired) {
KeyPair keyPair = getKeyPair(assertion);
if (!SAMLBearerTokenUtil.isSAMLAssertionSignatureValid(samlAssertion, keyPair)) {
throw new IOException(
Messages.getString("SamlBearerTokenAuthFilter.InvalidSig")); // $NON-NLS-1$
}
}
return consumeAssertion(assertion);
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @see org.overlord.commons.auth.util.SAMLAssertionFactory#createSAMLAssertion(java.lang.String,
* java.lang.String, int)
*/
@Override
public String createSAMLAssertion(String issuerName, String forService, int timeValidInMillis) {
try {
HttpServletRequest request = HttpRequestThreadLocalValve.TL_request.get();
Principal principal = request.getUserPrincipal();
if (principal instanceof GenericPrincipal) {
GenericPrincipal gp = (GenericPrincipal) principal;
String[] gpRoles = gp.getRoles();
Set<String> roles = new HashSet<String>(gpRoles.length);
for (String role : gpRoles) {
roles.add(role);
}
return SAMLBearerTokenUtil.createSAMLAssertion(
principal, roles, issuerName, forService, timeValidInMillis);
}
throw new Exception(
Messages.getString("TomcatSAMLAssertionFactory.UnexpectedPrincipalType")
+ principal.getClass()); // $NON-NLS-1$
} catch (Exception e) {
throw new RuntimeException(e);
}
}
