1 /*
2 * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved.
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
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
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
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.timestamp;
27
28 import java.io.BufferedInputStream;
29 import java.io.DataOutputStream;
30 import java.io.IOException;
31 import java.net.URL;
32 import java.net.HttpURLConnection;
33 import java.util.Iterator;
34 import java.util.Set;
35
36 import sun.misc.IOUtils;
37 import sun.security.pkcs.*;
38
39 /**
40 * A timestamper that communicates with a Timestamping Authority (TSA)
41 * over HTTP.
42 * It supports the Time-Stamp Protocol defined in:
43 * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>.
44 *
45 * @since 1.5
46 * @author Vincent Ryan
47 */
48
49 public class HttpTimestamper implements Timestamper {
50
51 private static final int CONNECT_TIMEOUT = 15000; // 15 seconds
52
53 // The MIME type for a timestamp query
54 private static final String TS_QUERY_MIME_TYPE =
55 "application/timestamp-query";
56
57 // The MIME type for a timestamp reply
77 /**
78 * Connects to the TSA and requests a timestamp.
79 *
80 * @param tsQuery The timestamp query.
81 * @return The result of the timestamp query.
82 * @throws IOException The exception is thrown if a problem occurs while
83 * communicating with the TSA.
84 */
85 public TSResponse generateTimestamp(TSRequest tsQuery) throws IOException {
86
87 HttpURLConnection connection =
88 (HttpURLConnection) new URL(tsaUrl).openConnection();
89 connection.setDoOutput(true);
90 connection.setUseCaches(false); // ignore cache
91 connection.setRequestProperty("Content-Type", TS_QUERY_MIME_TYPE);
92 connection.setRequestMethod("POST");
93 // Avoids the "hang" when a proxy is required but none has been set.
94 connection.setConnectTimeout(CONNECT_TIMEOUT);
95
96 if (DEBUG) {
97 Set headers = connection.getRequestProperties().entrySet();
98 System.out.println(connection.getRequestMethod() + " " + tsaUrl +
99 " HTTP/1.1");
100 for (Iterator i = headers.iterator(); i.hasNext(); ) {
101 System.out.println(" " + i.next());
102 }
103 System.out.println();
104 }
105 connection.connect(); // No HTTP authentication is performed
106
107 // Send the request
108 DataOutputStream output = null;
109 try {
110 output = new DataOutputStream(connection.getOutputStream());
111 byte[] request = tsQuery.encode();
112 output.write(request, 0, request.length);
113 output.flush();
114 if (DEBUG) {
115 System.out.println("sent timestamp query (length=" +
116 request.length + ")");
117 }
118 } finally {
119 if (output != null) {
120 output.close();
121 }
| 1 /*
2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
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
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
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
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.timestamp;
27
28 import java.io.BufferedInputStream;
29 import java.io.DataOutputStream;
30 import java.io.IOException;
31 import java.net.URL;
32 import java.net.HttpURLConnection;
33 import java.util.List;
34 import java.util.Map;
35 import java.util.Set;
36
37 import sun.misc.IOUtils;
38
39 /**
40 * A timestamper that communicates with a Timestamping Authority (TSA)
41 * over HTTP.
42 * It supports the Time-Stamp Protocol defined in:
43 * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>.
44 *
45 * @since 1.5
46 * @author Vincent Ryan
47 */
48
49 public class HttpTimestamper implements Timestamper {
50
51 private static final int CONNECT_TIMEOUT = 15000; // 15 seconds
52
53 // The MIME type for a timestamp query
54 private static final String TS_QUERY_MIME_TYPE =
55 "application/timestamp-query";
56
57 // The MIME type for a timestamp reply
77 /**
78 * Connects to the TSA and requests a timestamp.
79 *
80 * @param tsQuery The timestamp query.
81 * @return The result of the timestamp query.
82 * @throws IOException The exception is thrown if a problem occurs while
83 * communicating with the TSA.
84 */
85 public TSResponse generateTimestamp(TSRequest tsQuery) throws IOException {
86
87 HttpURLConnection connection =
88 (HttpURLConnection) new URL(tsaUrl).openConnection();
89 connection.setDoOutput(true);
90 connection.setUseCaches(false); // ignore cache
91 connection.setRequestProperty("Content-Type", TS_QUERY_MIME_TYPE);
92 connection.setRequestMethod("POST");
93 // Avoids the "hang" when a proxy is required but none has been set.
94 connection.setConnectTimeout(CONNECT_TIMEOUT);
95
96 if (DEBUG) {
97 Set<Map.Entry<String, List<String>>> headers =
98 connection.getRequestProperties().entrySet();
99 System.out.println(connection.getRequestMethod() + " " + tsaUrl +
100 " HTTP/1.1");
101 for (Map.Entry<String, List<String>> entry : headers) {
102 System.out.println(" " + entry);
103 }
104 System.out.println();
105 }
106 connection.connect(); // No HTTP authentication is performed
107
108 // Send the request
109 DataOutputStream output = null;
110 try {
111 output = new DataOutputStream(connection.getOutputStream());
112 byte[] request = tsQuery.encode();
113 output.write(request, 0, request.length);
114 output.flush();
115 if (DEBUG) {
116 System.out.println("sent timestamp query (length=" +
117 request.length + ")");
118 }
119 } finally {
120 if (output != null) {
121 output.close();
122 }
|