1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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24  */
25 
26 package jdk.internal.net.http;
27 
28 import java.io.IOException;
29 import java.net.CookieHandler;
30 import java.util.List;
31 import java.util.Map;
32 import java.util.Optional;
33 import java.net.http.HttpHeaders;
34 import jdk.internal.net.http.common.HttpHeadersBuilder;
35 import jdk.internal.net.http.common.Log;
36 import jdk.internal.net.http.common.Utils;
37 
38 class CookieFilter implements HeaderFilter {
39 
CookieFilter()40     public CookieFilter() {
41     }
42 
43     @Override
request(HttpRequestImpl r, MultiExchange<?> e)44     public void request(HttpRequestImpl r, MultiExchange<?> e) throws IOException {
45         HttpClientImpl client = e.client();
46         Optional<CookieHandler> cookieHandlerOpt = client.cookieHandler();
47         if (cookieHandlerOpt.isPresent()) {
48             CookieHandler cookieHandler = cookieHandlerOpt.get();
49             Map<String,List<String>> userheaders = r.getUserHeaders().map();
50             Map<String,List<String>> cookies = cookieHandler.get(r.uri(), userheaders);
51 
52             // add the returned cookies
53             HttpHeadersBuilder systemHeadersBuilder = r.getSystemHeadersBuilder();
54             if (cookies.isEmpty()) {
55                 Log.logTrace("Request: no cookie to add for {0}", r.uri());
56             } else {
57                 Log.logTrace("Request: adding cookies for {0}", r.uri());
58             }
59             for (Map.Entry<String,List<String>> entry : cookies.entrySet()) {
60                 final String hdrname = entry.getKey();
61                 if (!hdrname.equalsIgnoreCase("Cookie")
62                         && !hdrname.equalsIgnoreCase("Cookie2"))
63                     continue;
64                 List<String> values = entry.getValue();
65                 if (values == null || values.isEmpty()) continue;
66                 for (String val : values) {
67                     if (Utils.isValidValue(val)) {
68                         systemHeadersBuilder.addHeader(hdrname, val);
69                     }
70                 }
71             }
72         } else {
73             Log.logTrace("Request: No cookie manager found for {0}", r.uri());
74         }
75     }
76 
77     @Override
response(Response r)78     public HttpRequestImpl response(Response r) throws IOException {
79         HttpHeaders hdrs = r.headers();
80         HttpRequestImpl request = r.request();
81         Exchange<?> e = r.exchange;
82         Log.logTrace("Response: processing cookies for {0}", request.uri());
83         Optional<CookieHandler> cookieHandlerOpt = e.client().cookieHandler();
84         if (cookieHandlerOpt.isPresent()) {
85             CookieHandler cookieHandler = cookieHandlerOpt.get();
86             Log.logTrace("Response: parsing cookies from {0}", hdrs.map());
87             cookieHandler.put(request.uri(), hdrs.map());
88         } else {
89             Log.logTrace("Response: No cookie manager found for {0}",
90                          request.uri());
91         }
92         return null;
93     }
94 }
95