/**
* Get Subject Attributes
*
* @param token
* @return
*/
@Override
protected Map<ClaimMapping, String> getSubjectAttributes(OAuthClientResponse token) {
Map<ClaimMapping, String> claims = new HashMap<ClaimMapping, String>();
try {
String json =
sendRequest(
token.getParam(GoogleOAuth2AuthenticationConstant.GOOGLE_USERINFO_ENDPOINT),
token.getParam(OIDCAuthenticatorConstants.ACCESS_TOKEN));
if (StringUtils.isNotBlank(json)) {
Map<String, Object> jsonObject = JSONUtils.parseJSON(json);
if (jsonObject != null) {
for (Map.Entry<String, Object> entry : jsonObject.entrySet()) {
claims.put(
ClaimMapping.build(entry.getKey(), entry.getKey(), null, false),
entry.getValue().toString());
if (log.isDebugEnabled()) {
log.debug(
"Adding claim from end-point data mapping : "
+ entry.getKey()
+ " - "
+ entry.getValue());
}
}
}
}
} catch (Exception e) {
log.error("Error occurred while accessing google user info endpoint", e);
}
return claims;
}
/**
* this method are overridden for extra claim request to google end-point
*
* @param request
* @param response
* @param context
* @throws AuthenticationFailedException
*/
@Override
protected void processAuthenticationResponse(
HttpServletRequest request, HttpServletResponse response, AuthenticationContext context)
throws AuthenticationFailedException {
try {
Map<String, String> authenticatorProperties = context.getAuthenticatorProperties();
String clientId = authenticatorProperties.get(OIDCAuthenticatorConstants.CLIENT_ID);
String clientSecret = authenticatorProperties.get(OIDCAuthenticatorConstants.CLIENT_SECRET);
String tokenEndPoint;
if (getTokenEndpoint(authenticatorProperties) != null) {
tokenEndPoint = getTokenEndpoint(authenticatorProperties);
} else {
tokenEndPoint = authenticatorProperties.get(OIDCAuthenticatorConstants.OAUTH2_TOKEN_URL);
}
String callBackUrl =
authenticatorProperties.get(GoogleOAuth2AuthenticationConstant.CALLBACK_URL);
log.debug("callBackUrl : " + callBackUrl);
if (callBackUrl == null) {
callBackUrl = CarbonUIUtil.getAdminConsoleURL(request);
callBackUrl = callBackUrl.replace("commonauth/carbon/", "commonauth");
}
@SuppressWarnings({"unchecked"})
Map<String, String> paramValueMap =
(Map<String, String>) context.getProperty("oidc:param.map");
if (paramValueMap != null && paramValueMap.containsKey("redirect_uri")) {
callBackUrl = paramValueMap.get("redirect_uri");
}
OAuthAuthzResponse authzResponse = OAuthAuthzResponse.oauthCodeAuthzResponse(request);
String code = authzResponse.getCode();
OAuthClientRequest accessRequest = null;
accessRequest = getAccessRequest(tokenEndPoint, clientId, clientSecret, callBackUrl, code);
// create OAuth client that uses custom http client under the hood
OAuthClient oAuthClient = new OAuthClient(new URLConnectionClient());
OAuthClientResponse oAuthResponse = null;
oAuthResponse = getOAuthResponse(accessRequest, oAuthClient, oAuthResponse);
// TODO : return access token and id token to framework
String accessToken = "";
String idToken = "";
if (oAuthResponse != null) {
accessToken = oAuthResponse.getParam(OIDCAuthenticatorConstants.ACCESS_TOKEN);
idToken = oAuthResponse.getParam(OIDCAuthenticatorConstants.ID_TOKEN);
}
if (accessToken != null && (idToken != null || !requiredIDToken(authenticatorProperties))) {
context.setProperty(OIDCAuthenticatorConstants.ACCESS_TOKEN, accessToken);
if (idToken != null) {
context.setProperty(OIDCAuthenticatorConstants.ID_TOKEN, idToken);
String base64Body = idToken.split("\\.")[1];
byte[] decoded = Base64.decodeBase64(base64Body.getBytes());
String json = new String(decoded, Charset.forName("utf-8"));
if (log.isDebugEnabled()) {
log.debug("Id token json string : " + json);
}
Map<String, Object> jsonObject = JSONUtils.parseJSON(json);
if (jsonObject != null) {
Map<ClaimMapping, String> claims = getSubjectAttributes(oAuthResponse);
String authenticatedUser =
(String) jsonObject.get(OIDCAuthenticatorConstants.Claim.EMAIL);
AuthenticatedUser authenticatedUserObj =
AuthenticatedUser.createFederateAuthenticatedUserFromSubjectIdentifier(
authenticatedUser);
authenticatedUserObj.setUserAttributes(claims);
context.setSubject(authenticatedUserObj);
} else {
if (log.isDebugEnabled()) {
log.debug("Decoded json object is null");
}
throw new AuthenticationFailedException("Decoded json object is null");
}
} else {
if (log.isDebugEnabled()) {
log.debug("Authentication Failed");
}
throw new AuthenticationFailedException("Authentication Failed");
}
} else {
throw new AuthenticationFailedException("Authentication Failed");
}
} catch (OAuthProblemException e) {
throw new AuthenticationFailedException("Error occurred while acquiring access token", e);
} catch (JSONException e) {
throw new AuthenticationFailedException("Error occurred while parsing json object", e);
}
}