1 files changed, 104 insertions, 0 deletions
diff --git a/src/org/apache/http/client/protocol/RequestProxyAuthentication.java b/src/org/apache/http/client/protocol/RequestProxyAuthentication.java
new file mode 100644
index 0000000..b4dfe76
--- /dev/null
+++ b/src/org/apache/http/client/protocol/RequestProxyAuthentication.java
@@ -0,0 +1,104 @@
+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/protocol/RequestProxyAuthentication.java $
+ * $Revision: 673450 $
+ * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $
+ *
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.client.protocol;
+
+import java.io.IOException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.http.HttpException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpRequestInterceptor;
+import org.apache.http.auth.AUTH;
+import org.apache.http.auth.AuthScheme;
+import org.apache.http.auth.AuthState;
+import org.apache.http.auth.AuthenticationException;
+import org.apache.http.auth.Credentials;
+import org.apache.http.protocol.HttpContext;
+
+/**
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ *
+ * @version $Revision: 673450 $
+ * 
+ * @since 4.0
+ */
+public class RequestProxyAuthentication implements HttpRequestInterceptor {
+
+    private final Log log = LogFactory.getLog(getClass());
+    
+    public RequestProxyAuthentication() {
+        super();
+    }
+    
+    public void process(final HttpRequest request, final HttpContext context) 
+            throws HttpException, IOException {
+        if (request == null) {
+            throw new IllegalArgumentException("HTTP request may not be null");
+        }
+        if (context == null) {
+            throw new IllegalArgumentException("HTTP context may not be null");
+        }
+
+        if (request.containsHeader(AUTH.PROXY_AUTH_RESP)) {
+            return;
+        }
+        
+        // Obtain authentication state
+        AuthState authState = (AuthState) context.getAttribute(
+                ClientContext.PROXY_AUTH_STATE);
+        if (authState == null) {
+            return;
+        }
+
+        AuthScheme authScheme = authState.getAuthScheme();
+        if (authScheme == null) {
+            return;
+        }
+        
+        Credentials creds = authState.getCredentials();
+        if (creds == null) {
+            this.log.debug("User credentials not available");
+            return;
+        }
+        if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) {
+            try {
+                request.addHeader(authScheme.authenticate(creds, request));
+            } catch (AuthenticationException ex) {
+                if (this.log.isErrorEnabled()) {
+                    this.log.error("Proxy authentication error: " + ex.getMessage());
+                }
+            }
+        }
+    }
+    
+}