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Posted to commits@cxf.apache.org by co...@apache.org on 2016/05/05 16:06:24 UTC

cxf-fediz git commit: FEDIZ-76 - Support Facebook Login for Trusted IDP

Repository: cxf-fediz
Updated Branches:
  refs/heads/master 1b28fbe14 -> d13dd56e8


FEDIZ-76 - Support Facebook Login for Trusted IDP


Project: http://git-wip-us.apache.org/repos/asf/cxf-fediz/repo
Commit: http://git-wip-us.apache.org/repos/asf/cxf-fediz/commit/d13dd56e
Tree: http://git-wip-us.apache.org/repos/asf/cxf-fediz/tree/d13dd56e
Diff: http://git-wip-us.apache.org/repos/asf/cxf-fediz/diff/d13dd56e

Branch: refs/heads/master
Commit: d13dd56e882237e6e748d589822e4c14390c4dba
Parents: 1b28fbe
Author: Colm O hEigeartaigh <co...@apache.org>
Authored: Thu May 5 17:05:36 2016 +0100
Committer: Colm O hEigeartaigh <co...@apache.org>
Committed: Thu May 5 17:06:03 2016 +0100

----------------------------------------------------------------------
 services/idp/pom.xml                            |   5 +
 .../TrustedIdpFacebookProtocolHandler.java      | 290 +++++++++++++++++++
 2 files changed, 295 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cxf-fediz/blob/d13dd56e/services/idp/pom.xml
----------------------------------------------------------------------
diff --git a/services/idp/pom.xml b/services/idp/pom.xml
index 7a02f6a..9105332 100644
--- a/services/idp/pom.xml
+++ b/services/idp/pom.xml
@@ -180,6 +180,11 @@
             <version>${cxf.version}</version>
         </dependency>
         <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-rs-extension-providers</artifactId>
+            <version>${cxf.version}</version>
+        </dependency>
+        <dependency>
             <groupId>org.codehaus.jackson</groupId>
             <artifactId>jackson-jaxrs</artifactId>
             <version>1.9.13</version>

http://git-wip-us.apache.org/repos/asf/cxf-fediz/blob/d13dd56e/services/idp/src/main/java/org/apache/cxf/fediz/service/idp/protocols/TrustedIdpFacebookProtocolHandler.java
----------------------------------------------------------------------
diff --git a/services/idp/src/main/java/org/apache/cxf/fediz/service/idp/protocols/TrustedIdpFacebookProtocolHandler.java b/services/idp/src/main/java/org/apache/cxf/fediz/service/idp/protocols/TrustedIdpFacebookProtocolHandler.java
new file mode 100644
index 0000000..bdff2a5
--- /dev/null
+++ b/services/idp/src/main/java/org/apache/cxf/fediz/service/idp/protocols/TrustedIdpFacebookProtocolHandler.java
@@ -0,0 +1,290 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.cxf.fediz.service.idp.protocols;
+
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.ws.rs.core.Form;
+import javax.ws.rs.core.Response;
+
+import org.apache.cxf.fediz.service.idp.IdpConstants;
+import org.apache.cxf.fediz.service.idp.domain.Idp;
+import org.apache.cxf.fediz.service.idp.domain.TrustedIdp;
+import org.apache.cxf.fediz.service.idp.util.WebUtils;
+import org.apache.cxf.interceptor.LoggingInInterceptor;
+import org.apache.cxf.interceptor.LoggingOutInterceptor;
+import org.apache.cxf.jaxrs.client.ClientConfiguration;
+import org.apache.cxf.jaxrs.client.WebClient;
+import org.apache.cxf.jaxrs.json.basic.JsonMapObject;
+import org.apache.cxf.jaxrs.provider.json.JsonMapObjectProvider;
+import org.apache.cxf.rs.security.oauth2.common.ClientAccessToken;
+import org.apache.cxf.rs.security.oauth2.provider.OAuthJSONProvider;
+import org.apache.cxf.rs.security.oauth2.utils.OAuthConstants;
+import org.apache.cxf.ws.security.tokenstore.SecurityToken;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import org.springframework.webflow.execution.RequestContext;
+
+@Component
+public class TrustedIdpFacebookProtocolHandler extends AbstractTrustedIdpProtocolHandler {
+    
+    /**
+     * The client_id value to send to the Facebook IdP.
+     */
+    public static final String CLIENT_ID = "client.id";
+    
+    /**
+     * The secret associated with the client to authenticate to the Facebook IdP.
+     */
+    public static final String CLIENT_SECRET = "client.secret";
+    
+    /**
+     * The Token endpoint. The authorization endpoint is specified by TrustedIdp.url. If not 
+     * specified it defaults to "https://graph.facebook.com/v2.6/oauth/access_token".
+     */
+    public static final String TOKEN_ENDPOINT = "token.endpoint";
+    
+    /**
+     * The facebook API endpoint for querying claims (such as email address). If not specified
+     * it defaults to "https://graph.facebook.com/v2.6".
+     */
+    public static final String API_ENDPOINT = "api.endpoint";
+    
+    /**
+     * The Claim to use for the subject username to insert into the SAML Token. It defaults to 
+     * "email".
+     */
+    public static final String SUBJECT_CLAIM = "subject.claim";
+    
+    /**
+     * Additional (comma-separated) parameters to be sent in the "scope" to the authorization endpoint.
+     * Fediz will automatically use "email" for this value. 
+     */
+    public static final String SCOPE = "scope";
+    
+    public static final String PROTOCOL = "facebook-connect";
+
+    private static final Logger LOG = LoggerFactory.getLogger(TrustedIdpFacebookProtocolHandler.class);
+
+    @Override
+    public String getProtocol() {
+        return PROTOCOL;
+    }
+
+    @Override
+    public URL mapSignInRequest(RequestContext context, Idp idp, TrustedIdp trustedIdp) {
+        
+        String clientId = getProperty(trustedIdp, CLIENT_ID);
+        if (clientId == null || clientId.isEmpty()) {
+            LOG.warn("A CLIENT_ID must be configured to use the TrustedIdpFacebookProtocolHandler");
+            throw new IllegalStateException("No CLIENT_ID specified");
+        }
+        
+        String scope = getProperty(trustedIdp, SCOPE);
+        if (scope != null) {
+            scope = scope.trim();
+        }
+        
+        if (scope == null || scope.isEmpty()) {
+            scope = "email";
+        }
+        LOG.debug("Using scope: {}", scope);
+        
+        try {
+            StringBuilder sb = new StringBuilder();
+            sb.append(trustedIdp.getUrl());
+            sb.append("?");
+            sb.append("response_type").append('=');
+            sb.append("code");
+            sb.append("&");
+            sb.append("client_id").append('=');
+            sb.append(clientId);
+            sb.append("&");
+            sb.append("redirect_uri").append('=');
+            sb.append(URLEncoder.encode(idp.getIdpUrl().toString(), "UTF-8"));
+            sb.append("&");
+            sb.append("scope").append('=');
+            sb.append(URLEncoder.encode(scope, "UTF-8"));
+            
+            String state = context.getFlowScope().getString(IdpConstants.TRUSTED_IDP_CONTEXT);
+            sb.append("&").append("state").append('=');
+            sb.append(state);
+            
+            return new URL(sb.toString());
+        } catch (MalformedURLException ex) {
+            LOG.error("Invalid Redirect URL for Trusted Idp", ex);
+            throw new IllegalStateException("Invalid Redirect URL for Trusted Idp");
+        } catch (UnsupportedEncodingException ex) {
+            LOG.error("Invalid Redirect URL for Trusted Idp", ex);
+            throw new IllegalStateException("Invalid Redirect URL for Trusted Idp");
+        }
+    }
+    
+    @Override
+    public SecurityToken mapSignInResponse(RequestContext context, Idp idp, TrustedIdp trustedIdp) {
+
+        String code = (String) WebUtils.getAttributeFromFlowScope(context,
+                                                                  OAuthConstants.CODE_RESPONSE_TYPE);
+        if (code != null && !code.isEmpty()) {
+            
+            String tokenEndpoint = getProperty(trustedIdp, TOKEN_ENDPOINT);
+            if (tokenEndpoint == null || tokenEndpoint.isEmpty()) {
+                tokenEndpoint = "https://graph.facebook.com/v2.6/oauth/access_token";
+            }
+            
+            String apiEndpoint = getProperty(trustedIdp, API_ENDPOINT);
+            if (apiEndpoint == null || apiEndpoint.isEmpty()) {
+                apiEndpoint = "https://graph.facebook.com/v2.6";
+            }
+            
+            String clientId = getProperty(trustedIdp, CLIENT_ID);
+            String clientSecret = getProperty(trustedIdp, CLIENT_SECRET);
+            if (clientSecret == null || clientSecret.isEmpty()) {
+                LOG.warn("A CLIENT_SECRET must be configured to use the TrustedIdpFacebookProtocolHandler");
+                throw new IllegalStateException("No CLIENT_SECRET specified");
+            }
+            
+            // Here we need to get the AccessToken using the authorization code
+            List<Object> providers = new ArrayList<Object>();
+            providers.add(new OAuthJSONProvider());
+            
+            WebClient client = 
+                WebClient.create(tokenEndpoint, providers, "cxf-tls.xml");
+            
+            ClientConfiguration config = WebClient.getConfig(client);
+
+            if (LOG.isDebugEnabled()) {
+                config.getOutInterceptors().add(new LoggingOutInterceptor());
+                config.getInInterceptors().add(new LoggingInInterceptor());
+            }
+            
+            client.type("application/x-www-form-urlencoded");
+            client.accept("application/json");
+
+            Form form = new Form();
+            form.param("grant_type", "authorization_code");
+            form.param("code", code);
+            form.param("client_id", clientId);
+            form.param("redirect_uri", idp.getIdpUrl().toString());
+            form.param("client_secret", clientSecret);
+            Response response = client.post(form);
+
+            ClientAccessToken accessToken = response.readEntity(ClientAccessToken.class);
+            if (accessToken == null || accessToken.getTokenKey() == null) {
+                LOG.warn("No Access Token received from the Facebook IdP");
+                return null;
+            }
+            
+            // Now we need to invoke on the API endpoint using the access token to get the 
+            // user's claims
+            providers.clear();
+            providers.add(new JsonMapObjectProvider());
+            client = WebClient.create(apiEndpoint, providers, "cxf-tls.xml");
+            client.path("/me");
+            config = WebClient.getConfig(client);
+
+            if (LOG.isDebugEnabled()) {
+                config.getOutInterceptors().add(new LoggingOutInterceptor());
+                config.getInInterceptors().add(new LoggingInInterceptor());
+            }
+
+            client.accept("application/json");
+            client.query("access_token", accessToken.getTokenKey());
+            
+            String subjectName = getProperty(trustedIdp, SUBJECT_CLAIM);
+            if (subjectName == null || subjectName.isEmpty()) {
+                subjectName = "email";
+            }
+            client.query("fields", subjectName);
+            JsonMapObject mapObject = client.get(JsonMapObject.class);
+            System.out.println("SUBJ: " + mapObject.getProperty(subjectName));
+            /*
+            try {
+                String whr = (String) WebUtils.getAttributeFromFlowScope(context,
+                                                                         FederationConstants.PARAM_HOME_REALM);
+                if (whr == null) {
+                    LOG.warn("Home realm is null");
+                    throw new IllegalStateException("Home realm is null");
+                }
+        
+                // Parse the received Token
+                JwsJwtCompactConsumer jwtConsumer = new JwsJwtCompactConsumer(idToken);
+                JwtToken jwt = jwtConsumer.getJwtToken();
+                
+                if (jwt != null && jwt.getClaims() != null && LOG.isDebugEnabled()) {
+                    LOG.debug("Received Claims:");
+                    for (Map.Entry<String, Object> claim : jwt.getClaims().asMap().entrySet()) {
+                        LOG.debug(claim.getKey() + ": " + claim.getValue());
+                    }
+                }
+                
+                if (jwt != null && jwt.getJwsHeaders() != null && LOG.isDebugEnabled()) {
+                    LOG.debug("Received JWS Headers:");
+                    for (Map.Entry<String, Object> header : jwt.getJwsHeaders().asMap().entrySet()) {
+                        LOG.debug(header.getKey() + ": " + header.getValue());
+                    }
+                }
+                
+                if (!validateSignature(trustedIdp, jwtConsumer)) {
+                    LOG.warn("Signature does not validate");
+                    return null;
+                }
+                
+                // Make sure the received token is valid according to the spec
+                validateToken(jwt, clientId);
+                
+                Date created = new Date((long)jwt.getClaim(JwtConstants.CLAIM_ISSUED_AT) * 1000L);
+                Date expires = new Date((long)jwt.getClaim(JwtConstants.CLAIM_EXPIRY) * 1000L);
+                
+                // Convert into a SAML Token
+                SamlAssertionWrapper assertion = createSamlAssertion(idp, trustedIdp, jwt, created, expires);
+                Document doc = DOMUtils.createDocument();
+                Element token = assertion.toDOM(doc);
+        
+                // Create new Security token with new id. 
+                // Parameters for freshness computation are copied from original IDP_TOKEN
+                SecurityToken idpToken = new SecurityToken(assertion.getId(), created, expires);
+                idpToken.setToken(token);
+        
+                LOG.info("[IDP_TOKEN={}] for user '{}' created from [RP_TOKEN={}] issued by home realm [{}/{}]",
+                         assertion.getId(), assertion.getSaml2().getSubject().getNameID().getValue(), 
+                         jwt.getClaim(JwtConstants.CLAIM_JWT_ID), whr, jwt.getClaim(JwtConstants.CLAIM_ISSUER));
+                LOG.debug("Created date={}", created);
+                LOG.debug("Expired date={}", expires);
+                
+                return idpToken;
+            } catch (IllegalStateException ex) {
+                throw ex;
+            } catch (Exception ex) {
+                LOG.warn("Unexpected exception occured", ex);
+                throw new IllegalStateException("Unexpected exception occured: " + ex.getMessage());
+            }
+            */
+        }
+        return null;
+    }
+    
+}