pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestAuthCache.java

@@ -0,0 +1,147 @@
+/*
+ * ====================================================================
+ * 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 ch.boye.httpclientandroidlib.client.protocol;
+
+import java.io.IOException;
+
+import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
+/* LogFactory removed by HttpClient for Android script. */
+import ch.boye.httpclientandroidlib.HttpException;
+import ch.boye.httpclientandroidlib.HttpHost;
+import ch.boye.httpclientandroidlib.HttpRequest;
+import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
+import ch.boye.httpclientandroidlib.annotation.Immutable;
+import ch.boye.httpclientandroidlib.auth.AuthProtocolState;
+import ch.boye.httpclientandroidlib.auth.AuthScheme;
+import ch.boye.httpclientandroidlib.auth.AuthScope;
+import ch.boye.httpclientandroidlib.auth.AuthState;
+import ch.boye.httpclientandroidlib.auth.Credentials;
+import ch.boye.httpclientandroidlib.client.AuthCache;
+import ch.boye.httpclientandroidlib.client.CredentialsProvider;
+import ch.boye.httpclientandroidlib.conn.routing.RouteInfo;
+import ch.boye.httpclientandroidlib.protocol.HttpContext;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * Request interceptor that can preemptively authenticate against known hosts,
+ * if there is a cached {@link AuthScheme} instance in the local
+ * {@link AuthCache} associated with the given target or proxy host.
+ *
+ * @since 4.1
+ */
+@Immutable
+public class RequestAuthCache implements HttpRequestInterceptor {
+
+    public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
+
+    public RequestAuthCache() {
+        super();
+    }
+
+    public void process(final HttpRequest request, final HttpContext context)
+            throws HttpException, IOException {
+        Args.notNull(request, "HTTP request");
+        Args.notNull(context, "HTTP context");
+
+        final HttpClientContext clientContext = HttpClientContext.adapt(context);
+
+        final AuthCache authCache = clientContext.getAuthCache();
+        if (authCache == null) {
+            this.log.debug("Auth cache not set in the context");
+            return;
+        }
+
+        final CredentialsProvider credsProvider = clientContext.getCredentialsProvider();
+        if (credsProvider == null) {
+            this.log.debug("Credentials provider not set in the context");
+            return;
+        }
+
+        final RouteInfo route = clientContext.getHttpRoute();
+        if (route == null) {
+            this.log.debug("Route info not set in the context");
+            return;
+        }
+
+        HttpHost target = clientContext.getTargetHost();
+        if (target == null) {
+            this.log.debug("Target host not set in the context");
+            return;
+        }
+
+        if (target.getPort() < 0) {
+            target = new HttpHost(
+                    target.getHostName(),
+                    route.getTargetHost().getPort(),
+                    target.getSchemeName());
+        }
+
+        final AuthState targetState = clientContext.getTargetAuthState();
+        if (targetState != null && targetState.getState() == AuthProtocolState.UNCHALLENGED) {
+            final AuthScheme authScheme = authCache.get(target);
+            if (authScheme != null) {
+                doPreemptiveAuth(target, authScheme, targetState, credsProvider);
+            }
+        }
+
+        final HttpHost proxy = route.getProxyHost();
+        final AuthState proxyState = clientContext.getProxyAuthState();
+        if (proxy != null && proxyState != null && proxyState.getState() == AuthProtocolState.UNCHALLENGED) {
+            final AuthScheme authScheme = authCache.get(proxy);
+            if (authScheme != null) {
+                doPreemptiveAuth(proxy, authScheme, proxyState, credsProvider);
+            }
+        }
+    }
+
+    private void doPreemptiveAuth(
+            final HttpHost host,
+            final AuthScheme authScheme,
+            final AuthState authState,
+            final CredentialsProvider credsProvider) {
+        final String schemeName = authScheme.getSchemeName();
+        if (this.log.isDebugEnabled()) {
+            this.log.debug("Re-using cached '" + schemeName + "' auth scheme for " + host);
+        }
+
+        final AuthScope authScope = new AuthScope(host, AuthScope.ANY_REALM, schemeName);
+        final Credentials creds = credsProvider.getCredentials(authScope);
+
+        if (creds != null) {
+            if ("BASIC".equalsIgnoreCase(authScheme.getSchemeName())) {
+                authState.setState(AuthProtocolState.CHALLENGED);
+            } else {
+                authState.setState(AuthProtocolState.SUCCESS);
+            }
+            authState.update(authScheme, creds);
+        } else {
+            this.log.debug("No credentials for preemptive authentication");
+        }
+    }
+
+}