/*******************************************************************************
* Cloud Foundry
* Copyright (c) [2009-2016] Pivotal Software, Inc. All Rights Reserved.
*
* This product is licensed to you under the Apache License, Version 2.0 (the "License").
* You may not use this product except in compliance with the License.
*
* This product includes a number of subcomponents with
* separate copyright notices and license terms. Your use of these
* subcomponents is subject to the terms and conditions of the
* subcomponent's license, as noted in the LICENSE file.
*******************************************************************************/
package org.cloudfoundry.identity.uaa.oauth;
import org.cloudfoundry.identity.uaa.oauth.client.ClientConstants;
import org.cloudfoundry.identity.uaa.oauth.token.CompositeAccessToken;
import org.cloudfoundry.identity.uaa.util.UaaHttpRequestUtils;
import org.cloudfoundry.identity.uaa.util.UaaUrlUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.exceptions.BadClientCredentialsException;
import org.springframework.security.oauth2.common.exceptions.ClientAuthenticationException;
import org.springframework.security.oauth2.common.exceptions.InvalidClientException;
import org.springframework.security.oauth2.common.exceptions.InvalidRequestException;
import org.springframework.security.oauth2.common.exceptions.OAuth2Exception;
import org.springframework.security.oauth2.common.exceptions.RedirectMismatchException;
import org.springframework.security.oauth2.common.exceptions.UnapprovedClientAuthenticationException;
import org.springframework.security.oauth2.common.exceptions.UnauthorizedClientException;
import org.springframework.security.oauth2.common.exceptions.UnsupportedResponseTypeException;
import org.springframework.security.oauth2.common.exceptions.UserDeniedAuthorizationException;
import org.springframework.security.oauth2.common.util.OAuth2Utils;
import org.springframework.security.oauth2.provider.AuthorizationRequest;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.ClientRegistrationException;
import org.springframework.security.oauth2.provider.NoSuchClientException;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.OAuth2Request;
import org.springframework.security.oauth2.provider.OAuth2RequestValidator;
import org.springframework.security.oauth2.provider.TokenRequest;
import org.springframework.security.oauth2.provider.approval.DefaultUserApprovalHandler;
import org.springframework.security.oauth2.provider.approval.UserApprovalHandler;
import org.springframework.security.oauth2.provider.code.AuthorizationCodeServices;
import org.springframework.security.oauth2.provider.code.InMemoryAuthorizationCodeServices;
import org.springframework.security.oauth2.provider.endpoint.AbstractEndpoint;
import org.springframework.security.oauth2.provider.endpoint.DefaultRedirectResolver;
import org.springframework.security.oauth2.provider.endpoint.RedirectResolver;
import org.springframework.security.oauth2.provider.implicit.ImplicitTokenRequest;
import org.springframework.security.oauth2.provider.request.DefaultOAuth2RequestValidator;
import org.springframework.security.web.util.UrlUtils;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.HttpSessionRequiredException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.SessionAttributes;
import org.springframework.web.bind.support.DefaultSessionAttributeStore;
import org.springframework.web.bind.support.SessionAttributeStore;
import org.springframework.web.bind.support.SessionStatus;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.view.RedirectView;
import org.springframework.web.util.UriComponentsBuilder;
import org.springframework.web.util.UriUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.security.Principal;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Authorization endpoint that returns id_token's if requested.
* This is a copy of AuthorizationEndpoint.java in
* Spring Security Oauth2. As that code does not allow
* for redirect responses to be customized, as desired by
* https://github.com/fhanik/spring-security-oauth/compare/feature/extendable-redirect-generator?expand=1
*/
@Controller
@SessionAttributes("authorizationRequest")
public class UaaAuthorizationEndpoint extends AbstractEndpoint {
private AuthorizationCodeServices authorizationCodeServices = new InMemoryAuthorizationCodeServices();
private RedirectResolver redirectResolver = new DefaultRedirectResolver();
private UserApprovalHandler userApprovalHandler = new DefaultUserApprovalHandler();
private SessionAttributeStore sessionAttributeStore = new DefaultSessionAttributeStore();
private OAuth2RequestValidator oauth2RequestValidator = new DefaultOAuth2RequestValidator();
private String userApprovalPage = "forward:/oauth/confirm_access";
private String errorPage = "forward:/oauth/error";
private Object implicitLock = new Object();
private HybridTokenGranterForAuthorizationCode hybridTokenGranterForAuthCode;
public HybridTokenGranterForAuthorizationCode getHybridTokenGranterForAuthCode() {
return hybridTokenGranterForAuthCode;
}
public void setHybridTokenGranterForAuthCode(HybridTokenGranterForAuthorizationCode hybridTokenGranterForAuthCode) {
this.hybridTokenGranterForAuthCode = hybridTokenGranterForAuthCode;
}
public void setSessionAttributeStore(SessionAttributeStore sessionAttributeStore) {
this.sessionAttributeStore = sessionAttributeStore;
}
public void setErrorPage(String errorPage) {
this.errorPage = errorPage;
}
private static final List<String> supported_response_types = Arrays.asList("code", "token", "id_token");
@RequestMapping(value = "/oauth/authorize")
public ModelAndView authorize(Map<String, Object> model,
@RequestParam Map<String, String> parameters,
SessionStatus sessionStatus,
Principal principal,
HttpServletRequest request) {
ClientDetails client;
String clientId;
try {
clientId = parameters.get("client_id");
client = getClientDetailsService().loadClientByClientId(clientId);
}
catch (NoSuchClientException x) {
throw new InvalidClientException(x.getMessage());
}
// Pull out the authorization request first, using the OAuth2RequestFactory. All further logic should
// query off of the authorization request instead of referring back to the parameters map. The contents of the
// parameters map will be stored without change in the AuthorizationRequest object once it is created.
AuthorizationRequest authorizationRequest;
try {
authorizationRequest = getOAuth2RequestFactory().createAuthorizationRequest(parameters);
} catch (DisallowedIdpException x) {
return switchIdp(model, client, clientId, request);
}
Set<String> responseTypes = authorizationRequest.getResponseTypes();
String grantType = deriveGrantTypeFromResponseType(responseTypes);
if (!supported_response_types.containsAll(responseTypes)) {
throw new UnsupportedResponseTypeException("Unsupported response types: " + responseTypes);
}
if (authorizationRequest.getClientId() == null) {
throw new InvalidClientException("A client id must be provided");
}
try {
String redirectUriParameter = authorizationRequest.getRequestParameters().get(OAuth2Utils.REDIRECT_URI);
String resolvedRedirect;
try {
resolvedRedirect = redirectResolver.resolveRedirect(redirectUriParameter, client);
} catch (RedirectMismatchException rme) {
throw new RedirectMismatchException(
"Invalid redirect " + redirectUriParameter + " did not match one of the registered values");
}
if (!StringUtils.hasText(resolvedRedirect)) {
throw new RedirectMismatchException(
"A redirectUri must be either supplied or preconfigured in the ClientDetails");
}
boolean isAuthenticated = (principal instanceof Authentication) && ((Authentication) principal).isAuthenticated();
if (!isAuthenticated) {
throw new InsufficientAuthenticationException(
"User must be authenticated with Spring Security before authorization can be completed.");
}
authorizationRequest.setRedirectUri(resolvedRedirect);
// We intentionally only validate the parameters requested by the client (ignoring any data that may have
// been added to the request by the manager).
oauth2RequestValidator.validateScope(authorizationRequest, client);
// Some systems may allow for approval decisions to be remembered or approved by default. Check for
// such logic here, and set the approved flag on the authorization request accordingly.
authorizationRequest = userApprovalHandler.checkForPreApproval(authorizationRequest,
(Authentication) principal);
// TODO: is this call necessary?
boolean approved = userApprovalHandler.isApproved(authorizationRequest, (Authentication) principal);
authorizationRequest.setApproved(approved);
// Validation is all done, so we can check for auto approval...
if (authorizationRequest.isApproved()) {
//TODO we must get a code and a token,id_token
if (responseTypes.contains("token") || responseTypes.contains("id_token")) {
ModelAndView modelAndView =
getImplicitGrantOrHybridResponse(
authorizationRequest,
(Authentication) principal,
grantType
);
if (modelAndView != null) {
return modelAndView;
}
}
if (responseTypes.contains("code")) {
return new ModelAndView(getAuthorizationCodeResponse(authorizationRequest,
(Authentication) principal));
}
}
if ("none".equals(authorizationRequest.getRequestParameters().get("prompt"))){
return new ModelAndView(
new RedirectView(UaaUrlUtils.addFragmentComponent(resolvedRedirect, "error=interaction_required"))
);
} else {
// Place auth request into the model so that it is stored in the session
// for approveOrDeny to use. That way we make sure that auth request comes from the session,
// so any auth request parameters passed to approveOrDeny will be ignored and retrieved from the session.
model.put("authorizationRequest", authorizationRequest);
model.put("original_uri", UrlUtils.buildFullRequestUrl(request));
return getUserApprovalPageResponse(model, authorizationRequest, (Authentication) principal);
}
} catch (RuntimeException e) {
sessionStatus.setComplete();
throw e;
}
}
private ModelAndView switchIdp(Map<String, Object> model, ClientDetails client, String clientId, HttpServletRequest request) {
Map<String, Object> additionalInfo = client.getAdditionalInformation();
String clientDisplayName = (String) additionalInfo.get(ClientConstants.CLIENT_NAME);
model.put("client_display_name", (clientDisplayName != null)? clientDisplayName : clientId);
String queryString = UaaHttpRequestUtils.paramsToQueryString(request.getParameterMap());
String redirectUri = request.getRequestURL() + "?" + queryString;
model.put("redirect", redirectUri);
model.put("error", "The application is not authorized for your account.");
model.put("error_message_code", "login.invalid_idp");
return new ModelAndView("switch_idp", model, HttpStatus.UNAUTHORIZED);
}
@RequestMapping(value = "/oauth/authorize", method = RequestMethod.POST, params = OAuth2Utils.USER_OAUTH_APPROVAL)
public View approveOrDeny(@RequestParam Map<String, String> approvalParameters, Map<String, ?> model,
SessionStatus sessionStatus, Principal principal) {
if (!(principal instanceof Authentication)) {
sessionStatus.setComplete();
throw new InsufficientAuthenticationException(
"User must be authenticated with Spring Security before authorizing an access token.");
}
AuthorizationRequest authorizationRequest = (AuthorizationRequest) model.get("authorizationRequest");
if (authorizationRequest == null) {
sessionStatus.setComplete();
throw new InvalidRequestException("Cannot approve uninitialized authorization request.");
}
try {
Set<String> responseTypes = authorizationRequest.getResponseTypes();
String grantType = deriveGrantTypeFromResponseType(responseTypes);
authorizationRequest.setApprovalParameters(approvalParameters);
authorizationRequest = userApprovalHandler.updateAfterApproval(authorizationRequest,
(Authentication) principal);
boolean approved = userApprovalHandler.isApproved(authorizationRequest, (Authentication) principal);
authorizationRequest.setApproved(approved);
if (authorizationRequest.getRedirectUri() == null) {
sessionStatus.setComplete();
throw new InvalidRequestException("Cannot approve request when no redirect URI is provided.");
}
if (!authorizationRequest.isApproved()) {
return new RedirectView(getUnsuccessfulRedirect(authorizationRequest,
new UserDeniedAuthorizationException("User denied access"), responseTypes.contains("token")),
false, true, false);
}
if (responseTypes.contains("token") || responseTypes.contains("id_token")) {
//TODO we must get a code and a token,id_token
ModelAndView modelAndView =
getImplicitGrantOrHybridResponse(
authorizationRequest,
(Authentication) principal,
grantType
);
if (modelAndView != null) {
return modelAndView.getView();
}
}
return getAuthorizationCodeResponse(authorizationRequest, (Authentication) principal);
} finally {
sessionStatus.setComplete();
}
}
protected String deriveGrantTypeFromResponseType(Set<String> responseTypes) {
if (responseTypes.contains("token")) {
return "implicit";
} else if (responseTypes.size() == 1 && responseTypes.contains("id_token")) {
return "implicit";
}
return "authorization_code";
}
// We need explicit approval from the user.
private ModelAndView getUserApprovalPageResponse(Map<String, Object> model,
AuthorizationRequest authorizationRequest, Authentication principal) {
logger.debug("Loading user approval page: " + userApprovalPage);
model.putAll(userApprovalHandler.getUserApprovalRequest(authorizationRequest, principal));
return new ModelAndView(userApprovalPage, model);
}
// We can grant a token and return it with implicit approval.
private ModelAndView getImplicitGrantOrHybridResponse(
AuthorizationRequest authorizationRequest,
Authentication authentication,
String grantType
) {
OAuth2AccessToken accessToken;
try {
TokenRequest tokenRequest = getOAuth2RequestFactory().createTokenRequest(authorizationRequest, "implicit");
OAuth2Request storedOAuth2Request = getOAuth2RequestFactory().createOAuth2Request(authorizationRequest);
accessToken = getAccessTokenForImplicitGrantOrHybrid(tokenRequest, storedOAuth2Request, grantType);
if (accessToken == null) {
throw new UnsupportedResponseTypeException("Unsupported response type: token or id_token");
}
return new ModelAndView(
new RedirectView(
appendAccessToken(authorizationRequest, accessToken, authentication, true),
false,
true,
false
)
);
} catch (OAuth2Exception e) {
if (authorizationRequest.getResponseTypes().contains("token") || authorizationRequest.getResponseTypes().contains("id_token")) {
return new ModelAndView(new RedirectView(getUnsuccessfulRedirect(authorizationRequest, e, true), false,
true, false));
}
}
return null;
}
private OAuth2AccessToken getAccessTokenForImplicitGrantOrHybrid(TokenRequest tokenRequest,
OAuth2Request storedOAuth2Request,
String grantType
) throws OAuth2Exception {
// These 1 method calls have to be atomic, otherwise the ImplicitGrantService can have a race condition where
// one thread removes the token request before another has a chance to redeem it.
synchronized (this.implicitLock) {
switch (grantType) {
case "implicit":
return getTokenGranter().grant(grantType, new ImplicitTokenRequest(tokenRequest, storedOAuth2Request));
case "authorization_code":
return getHybridTokenGranterForAuthCode().grant(grantType, new ImplicitTokenRequest(tokenRequest, storedOAuth2Request));
default:
throw new OAuth2Exception(OAuth2Exception.INVALID_GRANT);
}
}
}
private View getAuthorizationCodeResponse(AuthorizationRequest authorizationRequest, Authentication authUser) {
try {
return new RedirectView(
getSuccessfulRedirect(
authorizationRequest,
generateCode(authorizationRequest, authUser)
),
false,
false, //so that we send absolute URLs always
false
) {
@Override
protected HttpStatus getHttp11StatusCode(HttpServletRequest request, HttpServletResponse response, String targetUrl) {
return HttpStatus.FOUND; //Override code, defaults to 303
}
};
} catch (OAuth2Exception e) {
return new RedirectView(getUnsuccessfulRedirect(authorizationRequest, e, false), false, true, false);
}
}
private String appendAccessToken(AuthorizationRequest authorizationRequest,
OAuth2AccessToken accessToken,
Authentication authUser,
boolean fragment) {
String requestedRedirect = authorizationRequest.getRedirectUri();
if (accessToken == null) {
throw new InvalidRequestException("An implicit grant could not be made");
}
StringBuilder url = new StringBuilder();
url.append("token_type=").append(encode(accessToken.getTokenType()));
//only append access token if grant_type is implicit
//or token is part of the response type
if (authorizationRequest.getResponseTypes().contains("token")) {
url.append("&access_token=").append(encode(accessToken.getValue()));
}
if (accessToken instanceof CompositeAccessToken &&
authorizationRequest.getResponseTypes().contains(CompositeAccessToken.ID_TOKEN)) {
url.append("&").append(CompositeAccessToken.ID_TOKEN).append("=").append(encode(((CompositeAccessToken) accessToken).getIdTokenValue()));
}
if (authorizationRequest.getResponseTypes().contains("code")) {
String code = generateCode(authorizationRequest, authUser);
url.append("&code=").append(encode(code));
}
String state = authorizationRequest.getState();
if (state != null) {
url.append("&state=").append(encode(state));
}
Date expiration = accessToken.getExpiration();
if (expiration != null) {
long expires_in = (expiration.getTime() - System.currentTimeMillis()) / 1000;
url.append("&expires_in=").append(expires_in);
}
String originalScope = authorizationRequest.getRequestParameters().get(OAuth2Utils.SCOPE);
if (originalScope == null || !OAuth2Utils.parseParameterList(originalScope).equals(accessToken.getScope())) {
url.append("&" + OAuth2Utils.SCOPE + "=").append(encode(OAuth2Utils.formatParameterList(accessToken.getScope())));
}
Map<String, Object> additionalInformation = accessToken.getAdditionalInformation();
for (String key : additionalInformation.keySet()) {
Object value = additionalInformation.get(key);
if (value != null) {
url.append("&" + encode(key) + "=" + encode(value.toString()));
}
}
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString(requestedRedirect);
if (fragment) {
String existingFragment = builder.build(true).getFragment();
if (StringUtils.hasText(existingFragment)) {
existingFragment = existingFragment + "&" + url.toString();
} else {
existingFragment = url.toString();
}
builder.fragment(existingFragment);
} else {
builder.query(url.toString());
}
// Do not include the refresh token (even if there is one)
return builder.build(true).toUriString();
}
private String generateCode(AuthorizationRequest authorizationRequest, Authentication authentication)
throws AuthenticationException {
try {
OAuth2Request storedOAuth2Request = getOAuth2RequestFactory().createOAuth2Request(authorizationRequest);
OAuth2Authentication combinedAuth = new OAuth2Authentication(storedOAuth2Request, authentication);
String code = authorizationCodeServices.createAuthorizationCode(combinedAuth);
return code;
} catch (OAuth2Exception e) {
if (authorizationRequest.getState() != null) {
e.addAdditionalInformation("state", authorizationRequest.getState());
}
throw e;
}
}
private String encode(String value) {
try {
//return URLEncoder.encode(value,"UTF-8");
return UriUtils.encodeQueryParam(value,"UTF-8");
} catch (UnsupportedEncodingException x) {
throw new IllegalArgumentException(x);
}
}
private String getSuccessfulRedirect(AuthorizationRequest authorizationRequest, String authorizationCode) {
if (authorizationCode == null) {
throw new IllegalStateException("No authorization code found in the current request scope.");
}
UriComponentsBuilder template = UriComponentsBuilder.fromUriString(authorizationRequest.getRedirectUri());
template.queryParam("code", encode(authorizationCode));
String state = authorizationRequest.getState();
if (state != null) {
template.queryParam("state", encode(state));
}
return template.build(true).toUriString();
}
private String getUnsuccessfulRedirect(AuthorizationRequest authorizationRequest, OAuth2Exception failure,
boolean fragment) {
if (authorizationRequest == null || authorizationRequest.getRedirectUri() == null) {
// we have no redirect for the user. very sad.
throw new UnapprovedClientAuthenticationException("Authorization failure, and no redirect URI.", failure);
}
UriComponentsBuilder template = UriComponentsBuilder.fromUriString(authorizationRequest.getRedirectUri());
StringBuilder values = new StringBuilder();
values.append("error="+encode(failure.getOAuth2ErrorCode()));
values.append("&error_description=" + encode(failure.getMessage()));
if (authorizationRequest.getState() != null) {
values.append("&state=" + encode(authorizationRequest.getState()));
}
if (failure.getAdditionalInformation() != null) {
for (Map.Entry<String, String> additionalInfo : failure.getAdditionalInformation().entrySet()) {
values.append("&" + encode(additionalInfo.getKey()) + "=" + encode(additionalInfo.getValue()));
}
}
if (fragment) {
template.fragment(values.toString());
} else {
template.query(values.toString());
}
return template.build(true).toUriString();
}
public void setUserApprovalPage(String userApprovalPage) {
this.userApprovalPage = userApprovalPage;
}
public void setAuthorizationCodeServices(AuthorizationCodeServices authorizationCodeServices) {
this.authorizationCodeServices = authorizationCodeServices;
}
public void setRedirectResolver(RedirectResolver redirectResolver) {
this.redirectResolver = redirectResolver;
}
public void setUserApprovalHandler(UserApprovalHandler userApprovalHandler) {
this.userApprovalHandler = userApprovalHandler;
}
public void setOAuth2RequestValidator(OAuth2RequestValidator oauth2RequestValidator) {
this.oauth2RequestValidator = oauth2RequestValidator;
}
@SuppressWarnings("deprecation")
public void setImplicitGrantService(org.springframework.security.oauth2.provider.implicit.ImplicitGrantService implicitGrantService) {
}
@ExceptionHandler(ClientRegistrationException.class)
public ModelAndView handleClientRegistrationException(Exception e, ServletWebRequest webRequest) throws Exception {
logger.info("Handling ClientRegistrationException error: " + e.getMessage());
return handleException(new BadClientCredentialsException(), webRequest);
}
@ExceptionHandler(OAuth2Exception.class)
public ModelAndView handleOAuth2Exception(OAuth2Exception e, ServletWebRequest webRequest) throws Exception {
logger.info("Handling OAuth2 error: " + e.getSummary());
return handleException(e, webRequest);
}
@ExceptionHandler(HttpSessionRequiredException.class)
public ModelAndView handleHttpSessionRequiredException(HttpSessionRequiredException e, ServletWebRequest webRequest)
throws Exception {
logger.info("Handling Session required error: " + e.getMessage());
return handleException(new AccessDeniedException("Could not obtain authorization request from session", e),
webRequest);
}
private ModelAndView handleException(Exception e, ServletWebRequest webRequest) throws Exception {
ResponseEntity<OAuth2Exception> translate = getExceptionTranslator().translate(e);
webRequest.getResponse().setStatus(translate.getStatusCode().value());
if (e instanceof ClientAuthenticationException || e instanceof RedirectMismatchException) {
Map<String, Object> map = new HashMap<>();
map.put("error", translate.getBody());
if (e instanceof UnauthorizedClientException) {
map.put("error_message_code", "login.invalid_idp");
}
return new ModelAndView(errorPage, map);
}
AuthorizationRequest authorizationRequest = null;
try {
authorizationRequest = getAuthorizationRequestForError(webRequest);
String requestedRedirectParam = authorizationRequest.getRequestParameters().get(OAuth2Utils.REDIRECT_URI);
String requestedRedirect = redirectResolver.resolveRedirect(requestedRedirectParam,
getClientDetailsService().loadClientByClientId(authorizationRequest.getClientId()));
authorizationRequest.setRedirectUri(requestedRedirect);
String redirect = getUnsuccessfulRedirect(authorizationRequest, translate.getBody(), authorizationRequest
.getResponseTypes().contains("token"));
return new ModelAndView(new RedirectView(redirect, false, true, false));
} catch (OAuth2Exception ex) {
// If an AuthorizationRequest cannot be created from the incoming parameters it must be
// an error. OAuth2Exception can be handled this way. Other exceptions will generate a standard 500
// response.
return new ModelAndView(errorPage, Collections.singletonMap("error", translate.getBody()));
}
}
private AuthorizationRequest getAuthorizationRequestForError(ServletWebRequest webRequest) {
// If it's already there then we are in the approveOrDeny phase and we can use the saved request
AuthorizationRequest authorizationRequest = (AuthorizationRequest) sessionAttributeStore.retrieveAttribute(
webRequest, "authorizationRequest");
if (authorizationRequest != null) {
return authorizationRequest;
}
Map<String, String> parameters = new HashMap<String, String>();
Map<String, String[]> map = webRequest.getParameterMap();
for (String key : map.keySet()) {
String[] values = map.get(key);
if (values != null && values.length > 0) {
parameters.put(key, values[0]);
}
}
try {
return getOAuth2RequestFactory().createAuthorizationRequest(parameters);
} catch (Exception e) {
return getDefaultOAuth2RequestFactory().createAuthorizationRequest(parameters);
}
}
}