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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.util.List;
import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
/* LogFactory removed by HttpClient for Android script. */
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HeaderIterator;
import ch.boye.httpclientandroidlib.HttpException;
import ch.boye.httpclientandroidlib.HttpResponse;
import ch.boye.httpclientandroidlib.HttpResponseInterceptor;
import ch.boye.httpclientandroidlib.annotation.Immutable;
import ch.boye.httpclientandroidlib.client.CookieStore;
import ch.boye.httpclientandroidlib.cookie.Cookie;
import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
import ch.boye.httpclientandroidlib.cookie.CookieSpec;
import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
import ch.boye.httpclientandroidlib.cookie.SM;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Args;
/**
* Response interceptor that populates the current {@link CookieStore} with data
* contained in response cookies received in the given the HTTP response.
*
* @since 4.0
*/
@Immutable
public class ResponseProcessCookies implements HttpResponseInterceptor {
public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
public ResponseProcessCookies() {
super();
}
public void process(final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
Args.notNull(response, "HTTP request");
Args.notNull(context, "HTTP context");
final HttpClientContext clientContext = HttpClientContext.adapt(context);
// Obtain actual CookieSpec instance
final CookieSpec cookieSpec = clientContext.getCookieSpec();
if (cookieSpec == null) {
this.log.debug("Cookie spec not specified in HTTP context");
return;
}
// Obtain cookie store
final CookieStore cookieStore = clientContext.getCookieStore();
if (cookieStore == null) {
this.log.debug("Cookie store not specified in HTTP context");
return;
}
// Obtain actual CookieOrigin instance
final CookieOrigin cookieOrigin = clientContext.getCookieOrigin();
if (cookieOrigin == null) {
this.log.debug("Cookie origin not specified in HTTP context");
return;
}
HeaderIterator it = response.headerIterator(SM.SET_COOKIE);
processCookies(it, cookieSpec, cookieOrigin, cookieStore);
// see if the cookie spec supports cookie versioning.
if (cookieSpec.getVersion() > 0) {
// process set-cookie2 headers.
// Cookie2 will replace equivalent Cookie instances
it = response.headerIterator(SM.SET_COOKIE2);
processCookies(it, cookieSpec, cookieOrigin, cookieStore);
}
}
private void processCookies(
final HeaderIterator iterator,
final CookieSpec cookieSpec,
final CookieOrigin cookieOrigin,
final CookieStore cookieStore) {
while (iterator.hasNext()) {
final Header header = iterator.nextHeader();
try {
final List<Cookie> cookies = cookieSpec.parse(header, cookieOrigin);
for (final Cookie cookie : cookies) {
try {
cookieSpec.validate(cookie, cookieOrigin);
cookieStore.addCookie(cookie);
if (this.log.isDebugEnabled()) {
this.log.debug("Cookie accepted [" + formatCooke(cookie) + "]");
}
} catch (final MalformedCookieException ex) {
if (this.log.isWarnEnabled()) {
this.log.warn("Cookie rejected [" + formatCooke(cookie) + "] "
+ ex.getMessage());
}
}
}
} catch (final MalformedCookieException ex) {
if (this.log.isWarnEnabled()) {
this.log.warn("Invalid cookie header: \""
+ header + "\". " + ex.getMessage());
}
}
}
}
private static String formatCooke(final Cookie cookie) {
final StringBuilder buf = new StringBuilder();
buf.append(cookie.getName());
buf.append("=\"");
String v = cookie.getValue();
if (v.length() > 100) {
v = v.substring(0, 100) + "...";
}
buf.append(v);
buf.append("\"");
buf.append(", version:");
buf.append(Integer.toString(cookie.getVersion()));
buf.append(", domain:");
buf.append(cookie.getDomain());
buf.append(", path:");
buf.append(cookie.getPath());
buf.append(", expiry:");
buf.append(cookie.getExpiryDate());
return buf.toString();
}
}
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