author | jnimeh |
Fri, 02 Oct 2015 11:14:31 -0700 | |
changeset 32852 | 2295abf7c186 |
parent 32032 | 22badc53802f |
permissions | -rw-r--r-- |
32032 | 1 |
/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.ssl; |
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import java.io.IOException; |
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import java.nio.ByteBuffer; |
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import java.util.Objects; |
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import javax.net.ssl.SSLException; |
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/* |
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* RFC6961 defines the TLS extension,"status_request_v2" (type 0x5), |
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* which allows the client to request that the server perform OCSP |
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* on the client's behalf. |
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* |
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* The RFC defines an CertStatusReqItemV2 structure: |
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* |
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* struct { |
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* CertificateStatusType status_type; |
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* uint16 request_length; |
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* select (status_type) { |
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* case ocsp: OCSPStatusRequest; |
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* case ocsp_multi: OCSPStatusRequest; |
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* } request; |
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* } CertificateStatusRequestItemV2; |
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* |
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* enum { ocsp(1), ocsp_multi(2), (255) } CertificateStatusType; |
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*/ |
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32852
2295abf7c186
8138704: CertStatusReqItemV2 should not implement StatusRequest interface
jnimeh
parents:
32032
diff
changeset
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final class CertStatusReqItemV2 { |
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private final StatusRequestType statReqType; |
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private final StatusRequest request; |
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/** |
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* Construct a {@code CertStatusReqItemV2} object using a type value |
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* and empty ResponderId and Extension lists. |
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* |
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* @param reqType the type of request (e.g. ocsp). A {@code null} value |
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* is not allowed. |
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* @param statReq the {@code StatusRequest} object used to provide the |
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* encoding for this {@code CertStatusReqItemV2}. A {@code null} |
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* value is not allowed. |
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* |
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* @throws IllegalArgumentException if the provided {@code StatusRequest} |
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* does not match the type. |
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* @throws NullPointerException if either the reqType or statReq arguments |
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* are {@code null}. |
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*/ |
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CertStatusReqItemV2(StatusRequestType reqType, StatusRequest statReq) { |
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statReqType = Objects.requireNonNull(reqType, |
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"Unallowed null value for status_type"); |
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request = Objects.requireNonNull(statReq, |
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"Unallowed null value for request"); |
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// There is currently only one known status type (OCSP) |
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// We can add more clauses to cover other types in the future |
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if (statReqType.equals(StatusRequestType.OCSP) || |
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statReqType.equals(StatusRequestType.OCSP_MULTI)) { |
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if (!(statReq instanceof OCSPStatusRequest)) { |
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throw new IllegalArgumentException("StatusRequest not " + |
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"of type OCSPStatusRequest"); |
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} |
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} |
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} |
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/** |
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* Construct a {@code CertStatusReqItemV2} object from encoded bytes |
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* |
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* @param requestBytes the encoded bytes for the {@code CertStatusReqItemV2} |
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* |
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* @throws IOException if any decoding errors take place |
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* @throws IllegalArgumentException if the parsed reqType value is not a |
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* supported status request type. |
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*/ |
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CertStatusReqItemV2(byte[] reqItemBytes) throws IOException { |
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ByteBuffer reqBuf = ByteBuffer.wrap(reqItemBytes); |
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statReqType = StatusRequestType.get(reqBuf.get()); |
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int requestLength = Short.toUnsignedInt(reqBuf.getShort()); |
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if (requestLength == reqBuf.remaining()) { |
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byte[] statReqBytes = new byte[requestLength]; |
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reqBuf.get(statReqBytes); |
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if (statReqType == StatusRequestType.OCSP || |
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statReqType == StatusRequestType.OCSP_MULTI) { |
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request = new OCSPStatusRequest(statReqBytes); |
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} else { |
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request = new UnknownStatusRequest(statReqBytes); |
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} |
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} else { |
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throw new SSLException("Incorrect request_length: " + |
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"Expected " + reqBuf.remaining() + ", got " + |
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requestLength); |
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} |
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} |
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/** |
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* Construct an {@code CertStatusReqItemV2} object from data read from |
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* a {@code HandshakeInputStream} |
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* |
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* @param s the {@code HandshakeInputStream} providing the encoded data |
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* |
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* @throws IOException if any decoding errors happen during object |
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* construction. |
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* @throws IllegalArgumentException if the parsed reqType value is not a |
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* supported status request type. |
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*/ |
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CertStatusReqItemV2(HandshakeInStream in) throws IOException { |
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statReqType = StatusRequestType.get(in.getInt8()); |
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int requestLength = in.getInt16(); |
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if (statReqType == StatusRequestType.OCSP || |
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statReqType == StatusRequestType.OCSP_MULTI) { |
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request = new OCSPStatusRequest(in); |
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} else { |
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request = new UnknownStatusRequest(in, requestLength); |
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} |
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} |
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/** |
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* Return the length of this {@code CertStatusReqItemV2} in its encoded form |
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* |
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* @return the encoded length of this {@code CertStatusReqItemV2} |
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*/ |
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32852
2295abf7c186
8138704: CertStatusReqItemV2 should not implement StatusRequest interface
jnimeh
parents:
32032
diff
changeset
|
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int length() { |
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// The length is the the status type (1 byte) + the request length |
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// field (2 bytes) + the StatusRequest data length. |
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return request.length() + 3; |
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} |
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/** |
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* Send the encoded {@code CertStatusReqItemV2} through a |
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* {@code HandshakeOutputStream} |
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* |
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* @param s the {@code HandshakeOutputStream} used to send the encoded data |
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* |
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* @throws IOException if any errors occur during the encoding process |
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*/ |
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32852
2295abf7c186
8138704: CertStatusReqItemV2 should not implement StatusRequest interface
jnimeh
parents:
32032
diff
changeset
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void send(HandshakeOutStream s) throws IOException { |
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s.putInt8(statReqType.id); |
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s.putInt16(request.length()); |
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request.send(s); |
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} |
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/** |
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* Create a string representation of this {@code CertStatusReqItemV2} |
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* |
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* @return the string representation of this {@code CertStatusReqItemV2} |
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*/ |
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@Override |
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public String toString() { |
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StringBuilder sb = new StringBuilder(); |
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sb.append("CertStatusReqItemV2: ").append(statReqType).append(", "); |
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sb.append(request.toString()); |
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return sb.toString(); |
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} |
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/** |
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* Return the type field for this {@code CertStatusReqItemV2} |
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* |
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* @return the {@code StatusRequestType} for this extension. |
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*/ |
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StatusRequestType getType() { |
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return statReqType; |
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} |
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/** |
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* Get the underlying {@code StatusRequest} for this |
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* {@code CertStatusReqItemV2} |
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* |
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* @return the {@code StatusRequest} |
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*/ |
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StatusRequest getRequest() { |
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return request; |
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} |
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} |