001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Arnaud Kervern 018 */ 019package org.nuxeo.ecm.platform.oauth2.request; 020 021import static org.apache.commons.lang.StringUtils.isBlank; 022import static org.apache.commons.lang.StringUtils.isNotBlank; 023 024import java.io.UnsupportedEncodingException; 025import java.net.URLDecoder; 026 027import javax.servlet.http.HttpServletRequest; 028 029import org.apache.commons.logging.Log; 030import org.apache.commons.logging.LogFactory; 031 032/** 033 * @author <a href="mailto:ak@nuxeo.com">Arnaud Kervern</a> 034 * @since 5.9.2 035 */ 036public abstract class Oauth2Request { 037 038 private static final Log log = LogFactory.getLog(Oauth2Request.class); 039 040 public static final String CLIENT_ID = "client_id"; 041 042 public static final String REDIRECT_URI = "redirect_uri"; 043 044 public static final String REDIRECT_URL = "redirect_url"; 045 046 protected String clientId; 047 048 protected String redirectUri; 049 050 public Oauth2Request() { 051 } 052 053 public Oauth2Request(HttpServletRequest request) { 054 clientId = request.getParameter(CLIENT_ID); 055 redirectUri = decodeParameter(request, REDIRECT_URI); 056 // Fallback for non-RFC compliant client 057 if (isBlank(redirectUri)) { 058 redirectUri = decodeParameter(request, REDIRECT_URL); 059 } 060 } 061 062 public static String decodeParameter(HttpServletRequest request, String parameterName) { 063 String value = request.getParameter(parameterName); 064 try { 065 if (isNotBlank(value)) { 066 return URLDecoder.decode(value, "UTF-8"); 067 } 068 } catch (UnsupportedEncodingException e) { 069 // Nothing to do. 070 } 071 return value; 072 } 073 074 public String getRedirectUri() { 075 return redirectUri; 076 } 077 078 public String getClientId() { 079 return clientId; 080 } 081}