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/*
* ====================================================================
* 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 java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
/* LogFactory removed by HttpClient for Android script. */
import ch.boye.httpclientandroidlib.Header;
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.client.CookieStore;
import ch.boye.httpclientandroidlib.client.config.CookieSpecs;
import ch.boye.httpclientandroidlib.client.config.RequestConfig;
import ch.boye.httpclientandroidlib.client.methods.HttpUriRequest;
import ch.boye.httpclientandroidlib.config.Lookup;
import ch.boye.httpclientandroidlib.conn.routing.RouteInfo;
import ch.boye.httpclientandroidlib.cookie.Cookie;
import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
import ch.boye.httpclientandroidlib.cookie.CookieSpec;
import ch.boye.httpclientandroidlib.cookie.CookieSpecProvider;
import ch.boye.httpclientandroidlib.cookie.SetCookie2;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Args;
import ch.boye.httpclientandroidlib.util.TextUtils;
/**
* Request interceptor that matches cookies available in the current
* {@link CookieStore} to the request being executed and generates
* corresponding <code>Cookie</code> request headers.
*
* @since 4.0
*/
@Immutable
public class RequestAddCookies implements HttpRequestInterceptor {
public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
public RequestAddCookies() {
super();
}
public void process(final HttpRequest request, final HttpContext context)
throws HttpException, IOException {
Args.notNull(request, "HTTP request");
Args.notNull(context, "HTTP context");
final String method = request.getRequestLine().getMethod();
if (method.equalsIgnoreCase("CONNECT")) {
return;
}
final HttpClientContext clientContext = HttpClientContext.adapt(context);
// Obtain cookie store
final CookieStore cookieStore = clientContext.getCookieStore();
if (cookieStore == null) {
this.log.debug("Cookie store not specified in HTTP context");
return;
}
// Obtain the registry of cookie specs
final Lookup<CookieSpecProvider> registry = clientContext.getCookieSpecRegistry();
if (registry == null) {
this.log.debug("CookieSpec registry not specified in HTTP context");
return;
}
// Obtain the target host, possibly virtual (required)
final HttpHost targetHost = clientContext.getTargetHost();
if (targetHost == null) {
this.log.debug("Target host not set in the context");
return;
}
// Obtain the route (required)
final RouteInfo route = clientContext.getHttpRoute();
if (route == null) {
this.log.debug("Connection route not set in the context");
return;
}
final RequestConfig config = clientContext.getRequestConfig();
String policy = config.getCookieSpec();
if (policy == null) {
policy = CookieSpecs.BEST_MATCH;
}
if (this.log.isDebugEnabled()) {
this.log.debug("CookieSpec selected: " + policy);
}
URI requestURI = null;
if (request instanceof HttpUriRequest) {
requestURI = ((HttpUriRequest) request).getURI();
} else {
try {
requestURI = new URI(request.getRequestLine().getUri());
} catch (final URISyntaxException ignore) {
}
}
final String path = requestURI != null ? requestURI.getPath() : null;
final String hostName = targetHost.getHostName();
int port = targetHost.getPort();
if (port < 0) {
port = route.getTargetHost().getPort();
}
final CookieOrigin cookieOrigin = new CookieOrigin(
hostName,
port >= 0 ? port : 0,
!TextUtils.isEmpty(path) ? path : "/",
route.isSecure());
// Get an instance of the selected cookie policy
final CookieSpecProvider provider = registry.lookup(policy);
if (provider == null) {
throw new HttpException("Unsupported cookie policy: " + policy);
}
final CookieSpec cookieSpec = provider.create(clientContext);
// Get all cookies available in the HTTP state
final List<Cookie> cookies = new ArrayList<Cookie>(cookieStore.getCookies());
// Find cookies matching the given origin
final List<Cookie> matchedCookies = new ArrayList<Cookie>();
final Date now = new Date();
for (final Cookie cookie : cookies) {
if (!cookie.isExpired(now)) {
if (cookieSpec.match(cookie, cookieOrigin)) {
if (this.log.isDebugEnabled()) {
this.log.debug("Cookie " + cookie + " match " + cookieOrigin);
}
matchedCookies.add(cookie);
}
} else {
if (this.log.isDebugEnabled()) {
this.log.debug("Cookie " + cookie + " expired");
}
}
}
// Generate Cookie request headers
if (!matchedCookies.isEmpty()) {
final List<Header> headers = cookieSpec.formatCookies(matchedCookies);
for (final Header header : headers) {
request.addHeader(header);
}
}
final int ver = cookieSpec.getVersion();
if (ver > 0) {
boolean needVersionHeader = false;
for (final Cookie cookie : matchedCookies) {
if (ver != cookie.getVersion() || !(cookie instanceof SetCookie2)) {
needVersionHeader = true;
}
}
if (needVersionHeader) {
final Header header = cookieSpec.getVersionHeader();
if (header != null) {
// Advertise cookie version support
request.addHeader(header);
}
}
}
// Stick the CookieSpec and CookieOrigin instances to the HTTP context
// so they could be obtained by the response interceptor
context.setAttribute(HttpClientContext.COOKIE_SPEC, cookieSpec);
context.setAttribute(HttpClientContext.COOKIE_ORIGIN, cookieOrigin);
}
}
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