1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestProxyAuthentication.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
1.4 +/*
1.5 + * ====================================================================
1.6 + * Licensed to the Apache Software Foundation (ASF) under one
1.7 + * or more contributor license agreements. See the NOTICE file
1.8 + * distributed with this work for additional information
1.9 + * regarding copyright ownership. The ASF licenses this file
1.10 + * to you under the Apache License, Version 2.0 (the
1.11 + * "License"); you may not use this file except in compliance
1.12 + * with the License. You may obtain a copy of the License at
1.13 + *
1.14 + * http://www.apache.org/licenses/LICENSE-2.0
1.15 + *
1.16 + * Unless required by applicable law or agreed to in writing,
1.17 + * software distributed under the License is distributed on an
1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
1.19 + * KIND, either express or implied. See the License for the
1.20 + * specific language governing permissions and limitations
1.21 + * under the License.
1.22 + * ====================================================================
1.23 + *
1.24 + * This software consists of voluntary contributions made by many
1.25 + * individuals on behalf of the Apache Software Foundation. For more
1.26 + * information on the Apache Software Foundation, please see
1.27 + * <http://www.apache.org/>.
1.28 + *
1.29 + */
1.30 +
1.31 +package ch.boye.httpclientandroidlib.client.protocol;
1.32 +
1.33 +import java.io.IOException;
1.34 +
1.35 +import ch.boye.httpclientandroidlib.annotation.Immutable;
1.36 +
1.37 +import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
1.38 +/* LogFactory removed by HttpClient for Android script. */
1.39 +import ch.boye.httpclientandroidlib.Header;
1.40 +import ch.boye.httpclientandroidlib.HttpException;
1.41 +import ch.boye.httpclientandroidlib.HttpRequest;
1.42 +import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
1.43 +import ch.boye.httpclientandroidlib.auth.AUTH;
1.44 +import ch.boye.httpclientandroidlib.auth.AuthScheme;
1.45 +import ch.boye.httpclientandroidlib.auth.AuthState;
1.46 +import ch.boye.httpclientandroidlib.auth.AuthenticationException;
1.47 +import ch.boye.httpclientandroidlib.auth.ContextAwareAuthScheme;
1.48 +import ch.boye.httpclientandroidlib.auth.Credentials;
1.49 +import ch.boye.httpclientandroidlib.conn.HttpRoutedConnection;
1.50 +import ch.boye.httpclientandroidlib.conn.routing.HttpRoute;
1.51 +import ch.boye.httpclientandroidlib.protocol.ExecutionContext;
1.52 +import ch.boye.httpclientandroidlib.protocol.HttpContext;
1.53 +
1.54 +/**
1.55 + * Generates authentication header for the proxy host, if required,
1.56 + * based on the actual state of the HTTP authentication context.
1.57 + *
1.58 + * @since 4.0
1.59 + */
1.60 +@Immutable
1.61 +public class RequestProxyAuthentication implements HttpRequestInterceptor {
1.62 +
1.63 + public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
1.64 +
1.65 + public RequestProxyAuthentication() {
1.66 + super();
1.67 + }
1.68 +
1.69 + @SuppressWarnings("deprecation")
1.70 + public void process(final HttpRequest request, final HttpContext context)
1.71 + throws HttpException, IOException {
1.72 + if (request == null) {
1.73 + throw new IllegalArgumentException("HTTP request may not be null");
1.74 + }
1.75 + if (context == null) {
1.76 + throw new IllegalArgumentException("HTTP context may not be null");
1.77 + }
1.78 +
1.79 + if (request.containsHeader(AUTH.PROXY_AUTH_RESP)) {
1.80 + return;
1.81 + }
1.82 +
1.83 + HttpRoutedConnection conn = (HttpRoutedConnection) context.getAttribute(
1.84 + ExecutionContext.HTTP_CONNECTION);
1.85 + if (conn == null) {
1.86 + this.log.debug("HTTP connection not set in the context");
1.87 + return;
1.88 + }
1.89 + HttpRoute route = conn.getRoute();
1.90 + if (route.isTunnelled()) {
1.91 + return;
1.92 + }
1.93 +
1.94 + // Obtain authentication state
1.95 + AuthState authState = (AuthState) context.getAttribute(
1.96 + ClientContext.PROXY_AUTH_STATE);
1.97 + if (authState == null) {
1.98 + this.log.debug("Proxy auth state not set in the context");
1.99 + return;
1.100 + }
1.101 +
1.102 + AuthScheme authScheme = authState.getAuthScheme();
1.103 + if (authScheme == null) {
1.104 + return;
1.105 + }
1.106 +
1.107 + Credentials creds = authState.getCredentials();
1.108 + if (creds == null) {
1.109 + this.log.debug("User credentials not available");
1.110 + return;
1.111 + }
1.112 + if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) {
1.113 + try {
1.114 + Header header;
1.115 + if (authScheme instanceof ContextAwareAuthScheme) {
1.116 + header = ((ContextAwareAuthScheme) authScheme).authenticate(
1.117 + creds, request, context);
1.118 + } else {
1.119 + header = authScheme.authenticate(creds, request);
1.120 + }
1.121 + request.addHeader(header);
1.122 + } catch (AuthenticationException ex) {
1.123 + if (this.log.isErrorEnabled()) {
1.124 + this.log.error("Proxy authentication error: " + ex.getMessage());
1.125 + }
1.126 + }
1.127 + }
1.128 + }
1.129 +
1.130 +}
