/*
* Portions Copyright 2000-2007 Sun Microsystems, Inc. All Rights
* Reserved. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
/*
*/
package gov.nist.siplite.message;
import gov.nist.core.*;
import gov.nist.siplite.address.*;
import gov.nist.siplite.header.*;
import gov.nist.siplite.SIPConstants;
import java.util.*;
import java.io.UnsupportedEncodingException;
import javax.microedition.sip.SipException;
import com.sun.midp.log.Logging;
import com.sun.midp.log.LogChannels;
import gov.nist.microedition.io.j2me.sip.DistributedRandom;
/**
* The SIP Request structure-- this belongs to the parser who fills it up.
*
* @version JAIN-SIP-1.1
*
* <a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a>
*
*/
public final class Request extends Message {
/** Acknowledgement request. */
public static final String ACK = "ACK";
/** End of session request. */
public static final String BYE = "BYE";
/** Terminate session request. */
public static final String CANCEL = "CANCEL";
/** Invitation request. */
public static final String INVITE = "INVITE";
/** Optional settings request. */
public static final String OPTIONS = "OPTIONS";
/** Regsitration request. */
public static final String REGISTER = "REGISTER";
/** Notification request. */
public static final String NOTIFY = "NOTIFY";
/** Subscription for notification request. */
public static final String SUBSCRIBE = "SUBSCRIBE";
/** Message request. */
public static final String MESSAGE = "MESSAGE";
/** Redirection request. */
public static final String REFER = "REFER";
/** Basic information request. */
public static final String INFO = "INFO";
/** PRACK ??? RFC. */
public static final String PRACK = "PRACK";
/** Update request. */
public static final String UPDATE = "UPDATE";
/** Publish request. */
public static final String PUBLISH = "PUBLISH";
/** Default user name is "ip". */
public static final String DEFAULT_USER = "ip";
/** Default time to live is 1 second. */
public static final int DEFAULT_TTL = 1;
/** Default transport is "udp". */
public static final String DEFAULT_TRANSPORT = SIPConstants.TRANSPORT_UDP;
/** Default method is to intiate an INVITE. */
public static final String DEFAULT_METHOD = INVITE;
/** Current transaction pointer. */
private Object transactionPointer;
/** Current requestline. */
protected RequestLine requestLine;
/**
* Gets the Request Line of the Request.
* @return the request line of the SIP Request.
*/
public RequestLine getRequestLine() {
return requestLine;
}
/**
* Sets the request line of the SIP Request.
* @param requestLine is the request line to set in the SIP Request.
*/
public void setRequestLine(RequestLine requestLine) {
this.requestLine = requestLine;
}
/**
* Constructor.
*/
public Request() { super(); }
/**
* Checks header for constraints.
* <pre>
* (1) Invite options and bye requests can only have SIP URIs in the
* contact headers.
* (2) Request must have cseq, to and from and via headers.
* (3) Method in request URI must match that in CSEQ.
* </pre>
*/
protected void checkHeaders() throws ParseException {
String prefix = "Missing Header ";
/* Check for required headers */
if (getCSeqHeader() == null) {
throw new ParseException(prefix + Header.CSEQ, 0);
}
if (getTo() == null) {
throw new ParseException(prefix + Header.TO, 0);
}
if (getFromHeader() == null) {
throw new ParseException(prefix + Header.FROM, 0);
}
if (getViaHeaders() == null) {
throw new ParseException(prefix + Header.VIA, 0);
}
/*
* BUGBUG
* Need to revisit this check later...
* for now we just leave this to the
* application to catch.
*/
if (requestLine != null && requestLine.getMethod() != null &&
getCSeqHeader().getMethod() != null &&
compareToIgnoreCase
(requestLine.getMethod(), getCSeqHeader().getMethod()) != 0) {
throw
new ParseException
("CSEQ method mismatch with Request-Line ", 0);
}
}
/**
* Sets the default values in the request URI if necessary.
*/
protected void setDefaults() {
// The request line may be unparseable (set to null by the
// exception handler.
if (requestLine == null)
return;
String method = requestLine.getMethod();
// The requestLine may be malformed!
if (method == null)
return;
URI u = requestLine.getUri();
if (u == null)
return;
if (method.compareTo(REGISTER) == 0
|| method.compareTo(INVITE) == 0) {
if (u instanceof SipURI) {
SipURI sipUri = (SipURI) u;
sipUri.setUserParam(DEFAULT_USER);
try {
sipUri.setTransportParam(DEFAULT_TRANSPORT);
} catch (ParseException ex) {}
}
}
}
/**
* Patch up the request line as necessary.
*/
protected void setRequestLineDefaults() {
String method = requestLine.getMethod();
if (method == null) {
CSeqHeader cseq = (CSeqHeader) this.getCSeqHeader();
if (cseq != null) {
method = cseq.getMethod();
requestLine.setMethod(method);
}
}
}
/**
* A conveniance function to access the Request URI.
* @return the requestURI if it exists.
*/
public URI getRequestURI() {
if (this.requestLine == null)
return null;
else
return this.requestLine.getUri();
}
/**
* Sets the RequestURI of Request. The Request-URI is a SIP or
* SIPS URI or a general URI. It indicates the user or service to which
* this request is being addressed. SIP elements MAY support
* Request-URIs with schemes other than "sip" and "sips", for
* example the "tel" URI scheme. SIP elements MAY translate
* non-SIP URIs using any mechanism at their disposal, resulting
* in SIP URI, SIPS URI, or some other scheme.
*
* @param uri the new Request URI of this request message
*/
public void setRequestURI(URI uri) {
if (this.requestLine == null) {
this.requestLine = new RequestLine();
}
this.requestLine.setUri((URI)uri);
}
/**
* Sets the method.
* @param method is the method to set.
* @throws IllegalArgumentException if the method is null
*/
public void setMethod(String method) throws IllegalArgumentException {
if (method == null)
throw new IllegalArgumentException("null method");
if (this.requestLine == null) {
this.requestLine = new RequestLine();
}
this.requestLine.setMethod(method);
if (this.cSeqHeader != null) {
this.cSeqHeader.setMethod(method);
}
}
/**
* Gets the method from the request line.
* @return the method from the request line if the method exits and
* null if the request line or the method does not exist.
*/
public String getMethod() {
if (requestLine == null)
return null;
else
return requestLine.getMethod();
}
/**
* Encodes the SIP Request as a string.
*
* @return an encoded String containing the encoded SIP Message.
*/
public String encode() {
String retval;
if (requestLine != null) {
this.setRequestLineDefaults();
retval = requestLine.encode() + super.encode();
} else
retval = super.encode();
return retval;
}
/**
* Alias for encode above.
* @return encoded string of object contents
*/
public String toString() { return this.encode(); }
/**
* Makes a clone (deep copy) of this object.
* You can use this if you
* want to modify a request while preserving the original
*
* @return a deep copy of this object.
*/
public Object clone() {
Request retval = (Request) super.clone();
if (this.requestLine != null) {
retval.requestLine = (RequestLine) this.requestLine.clone();
retval.setRequestLineDefaults();
}
return retval;
}
/**
* Compares for equality.
*
* @param other object to compare ourselves with.
* @return true if objects match
*/
public boolean equals(Object other) {
if (! this.getClass().equals(other.getClass()))
return false;
Request that = (Request) other;
boolean retval = requestLine.equals(that.requestLine) &&
super.equals(other);
if (Logging.REPORT_LEVEL <= Logging.INFORMATION && !retval) {
Logging.report(Logging.INFORMATION, LogChannels.LC_JSR180,
"this ... >>>>" + encode());
Logging.report(Logging.INFORMATION, LogChannels.LC_JSR180,
"other ... >>>>" + that.encode());
}
return retval;
}
/**
* Encodes this into a byte array.
* This is used when the body has been set as a binary array
* and you want to encode the body as a byte array for transmission.
*
* @return a byte array containing the Request encoded as a byte
* array.
*/
public byte[] encodeAsBytes() {
byte[] rlbytes = null;
if (requestLine != null) {
try {
rlbytes = requestLine.encode().getBytes("UTF-8");
} catch (UnsupportedEncodingException ex) {
InternalErrorHandler.handleException(ex);
}
}
byte[] superbytes = super.encodeAsBytes();
byte[] retval = new byte[rlbytes.length + superbytes.length];
int i = 0;
System.arraycopy(rlbytes, 0, retval, 0, rlbytes.length);
System.arraycopy
(superbytes, 0, retval, rlbytes.length, superbytes.length);
return retval;
}
/**
* Creates a default Response message for this request. Note
* You must add the necessary tags to outgoing responses if need
* be. For efficiency, this method does not clone the incoming
* request. If you want to modify the outgoing response, be sure
* to clone the incoming request as the headers are shared and
* any modification to the headers of the outgoing response will
* result in a modification of the incoming request.
* Tag fields are just copied from the incoming request.
* Contact headers are removed from the incoming request.
* Added by Jeff Keyser.
*
* @param statusCode Status code for the response.
* Reason phrase is generated.
*
* @return A Response with the status and reason supplied, and a copy
*of all the original headers from this request.
*/
public Response createResponse(int statusCode) {
String reasonPhrase = Response.getReasonPhrase(statusCode);
return createResponse(statusCode, reasonPhrase);
}
/**
* Creates a default Response message for this request. Note
* You must add the necessary tags to outgoing responses if need
* be. For efficiency, this method does not clone the incoming
* request. If you want to modify the outgoing response, be sure
* to clone the incoming request as the headers are shared and
* any modification to the headers of the outgoing response will
* result in a modification of the incoming request.
* Tag fields are just copied from the incoming request.
* Contact headers are removed from the incoming request.
* Added by Jeff Keyser. Route headers are not added to the
* response.
*
* @param statusCode Status code for the response.
* @param reasonPhrase Reason phrase for this response.
* @return A Response with the status and reason supplied.
* @throws IllegalArgumentException if some argument has an invalid value.
*/
public Response createResponse(int statusCode,
String reasonPhrase)
throws IllegalArgumentException {
Response newResponse;
Enumeration headerIterator;
Header nextHeader;
newResponse = new Response();
try {
newResponse.setStatusCode(statusCode);
} catch (ParseException ex) {
throw new IllegalArgumentException("Bad code " + statusCode);
}
if (reasonPhrase != null) {
newResponse.setReasonPhrase(reasonPhrase);
} else {
newResponse.setReasonPhrase(Response.getReasonPhrase(statusCode));
}
headerIterator = super.getHeaders();
// Time stamp header should be stamped with delay but
// we dont support this.
while (headerIterator.hasMoreElements()) {
nextHeader = (Header)headerIterator.nextElement();
if (nextHeader instanceof FromHeader ||
nextHeader instanceof ToHeader ||
nextHeader instanceof ViaList ||
nextHeader instanceof CallIdHeader ||
nextHeader instanceof RecordRouteList ||
nextHeader instanceof CSeqHeader ||
// RFC 3265, 3.1.1 200-class responses to SUBSCRIBE
// requests also MUST contain an "Expires" header.
nextHeader instanceof ExpiresHeader ||
Utils.equalsIgnoreCase(nextHeader.getName(),
Header.TIMESTAMP)) {
try {
newResponse.attachHeader(nextHeader, false);
} catch (SipException ex) {
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
Logging.report(Logging.ERROR, LogChannels.LC_JSR180,
"Request.createResponse(): can't attach header '" +
nextHeader.getHeaderName() + "'.");
ex.printStackTrace();
}
}
} else if (Utils.equalsIgnoreCase(nextHeader.getName(),
Header.REQUIRE)) {
/*
* RFC3262, SECTION 3
* If the next header contains "Require" header with option
* tag as "100rel", we should add this header and also include
* RSeq header field
*/
boolean isReliableProvResponse = Header.isReliableTagPresent(
nextHeader.getHeaderValue());
if (isReliableProvResponse) {
try {
newResponse.attachHeader(nextHeader, true);
} catch (SipException ex) {
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
Logging.report(Logging.ERROR, LogChannels.LC_JSR180,
"Request.createResponse(): can't attach header"
+ nextHeader.getHeaderName() + "'.");
// ex.printStackTrace();
}
}
}
}
}
// RFC 3903, p. 5:
// The Record-Route header field has no meaning in PUBLISH
// requests or responses, and MUST be ignored if present.
//
// RFC 3261, p. 63:
// Registrars MUST ignore the Record-Route header field if it is
// included in a REGISTER request. Registrars MUST NOT include a
// Record-Route header field in any response to a REGISTER request.
String method = getMethod();
if (method.equals(Request.PUBLISH) ||
method.equals(Request.REGISTER)) {
newResponse.removeHeader(Header.RECORD_ROUTE);
}
return newResponse;
}
/**
* Creates a default SIPResquest message that would cancel
* this request. Note that tag assignment and removal of
* is left to the caller (we use whatever tags are present in the
* original request). Acknowledgement: Added by Jeff Keyser.
*
* @return A CANCEL Request with a copy all the original headers
* from this request except for Require, ProxyRequire.
* @throws SipException if the request can't be created.
*/
public Request createCancelRequest() throws SipException {
Request newRequest;
Enumeration headerIterator;
Header nextHeader;
newRequest = new Request();
// JSR180: Request-URI // copy from original request
RequestLine cancelRequestLine =
(RequestLine)this.getRequestLine().clone();
cancelRequestLine.setMethod(CANCEL);
newRequest.setRequestLine(cancelRequestLine);
newRequest.setMethod(CANCEL);
// JSR180: To // copy from original request
ToHeader toHeader = this.getTo();
if (toHeader != null) {
newRequest.setHeader(toHeader);
}
// JSR180: From // copy from original request
FromHeader fromHeader = this.getFromHeader();
if (fromHeader != null) {
newRequest.setHeader(fromHeader);
}
// JSR180: CSeq // same value for the sequence
// number as was present in the original request, but
// the method parameter MUST be equal to "CANCEL"
CSeqHeader cseqHeader = (CSeqHeader)this.getCSeqHeader().clone();
if (cseqHeader != null) {
cseqHeader.setMethod(CANCEL);
newRequest.setHeader(cseqHeader);
}
// JSR180: Call-ID // copy from original request
CallIdHeader callIdHeader = this.getCallId();
if (callIdHeader != null) {
newRequest.setHeader(callIdHeader);
}
// JSR180: Via // single value equal to the
// top Via header field of the request being cancelled
ViaHeader viaHeader = this.getTopmostVia();
if (viaHeader != null) {
newRequest.setHeader(viaHeader);
}
// JSR180: Route // If the request being cancelled
// contains a Route header field, the CANCEL request MUST
// include that Route header field's values
RouteList routeList = this.getRouteHeaders();
if (routeList != null) {
newRequest.setHeaders(routeList.getHeaders());
}
// JSR180: Max-Forwards (TBD)// header field serves to limit the
// number of hops a request can transit on the way to its destination.
// Current version: copy from original request
MaxForwardsHeader mfHeader =
(MaxForwardsHeader)getHeader(Header.MAX_FORWARDS);
if (mfHeader != null) {
newRequest.setHeader(mfHeader);
}
return newRequest;
}
/**
* Creates a default ACK Request message for this original request.
* Note that the defaultACK Request does not include the
* content of the original Request. If responseToHeader
* is null then the toHeader of this request is used to
* construct the ACK. Note that tag fields are just copied
* from the original SIP Request. Added by Jeff Keyser.
*
* @param responseToHeader To header to use for this request.
* @return A Request with an ACK method.
* @throws SipException if the request can't be created.
*/
public Request createAckRequest(ToHeader responseToHeader)
throws SipException {
Request newRequest;
Enumeration headerIterator;
Header nextHeader;
newRequest = new Request();
newRequest.setRequestLine
((RequestLine)this.requestLine.clone());
newRequest.setMethod(ACK);
headerIterator = getHeaders();
while (headerIterator.hasMoreElements()) {
nextHeader = (Header)headerIterator.nextElement();
if (nextHeader.getHeaderName().equals
(Header.ROUTE)) {
// Route header for ACK is assigned by the
// Dialog if necessary.
continue;
} else if (nextHeader.getHeaderName().equals
(Header.PROXY_AUTHORIZATION)) {
// Remove proxy auth header.
// Assigned by the Dialog if necessary.
continue;
} else if (nextHeader instanceof ContentLengthHeader) {
// Adding content is responsibility of user.
nextHeader = (Header) nextHeader.clone();
((ContentLengthHeader)nextHeader).setContentLength(0);
} else if (nextHeader instanceof ContentTypeHeader) {
// Content type header is removed since
// content length is 0. Bug fix from
// Antonis Kyardas.
continue;
} else if (nextHeader instanceof CSeqHeader) {
CSeqHeader cseq = (CSeqHeader) nextHeader.clone();
cseq.setMethod(ACK);
nextHeader = cseq;
} else if (nextHeader instanceof ToHeader) {
if (responseToHeader != null) {
nextHeader = responseToHeader;
} else {
nextHeader = (Header) nextHeader.clone();
}
} else {
nextHeader = (Header) nextHeader.clone();
}
newRequest.attachHeader(nextHeader, false);
}
return newRequest;
}
/**
* Creates a new default Request from the original request. Warning:
* the newly created Request, shares the headers of
* this request but we generate any new headers that we need to modify
* so the original request is umodified. However, if you modify the
* shared headers after this request is created, then the newly
* created request will also be modified.
* If you want to modify the original request
* without affecting the returned Request
* make sure you clone it before calling this method.
* Following are the differences between the original request headers
* and the generated request headers.
* <ul>
* <li>
* Contact headers are not included in the newly created request.
* Setting the appropriate sequence number is the responsibility of
* the caller. </li>
* <li> RouteList is not copied for ACK and CANCEL </li>
* <li> Note that we DO NOT copy the body of the
* argument into the returned header. We do not copy the content
* type header from the original request either. These have to be
* added seperately and the content length has to be correctly set
* if necessary the content length is set to 0 in the returned header.
* </li>
* <li>Contact List is not copied from the original request.</li>
* <li>RecordRoute List is not included from original request. </li>
* <li>Via header is not included from the original request. </li>
* </ul>
*
* @param requestLine is the new request line.
*
* @param switchHeaders is a boolean flag that causes to and from
* headers to switch (set this to true if you are the
* server of the transaction and are generating a BYE
* request). If the headers are switched, we generate
* new FromHeader and To headers otherwise we just use the
* incoming headers.
*
* @return a new Default SIP Request which has the requestLine specified.
*
* @throws SipException if the request can't be created.
*/
public Request createRequest(RequestLine requestLine,
boolean switchHeaders) throws SipException {
Request newRequest = new Request();
newRequest.requestLine = requestLine;
Enumeration headerIterator = this.getHeaders();
while (headerIterator.hasMoreElements()) {
Header nextHeader =
(Header)headerIterator.nextElement();
// For BYE and cancel set the CSeqHeader header to the
// appropriate method.
if (nextHeader instanceof CSeqHeader) {
CSeqHeader newCseq = (CSeqHeader) nextHeader.clone();
nextHeader = newCseq;
newCseq.setMethod(requestLine.getMethod());
} else if (requestLine.getMethod().equals(ACK) &&
nextHeader instanceof ContactList) {
// ACKS never get Contact headers.
continue;
} else if (nextHeader instanceof ViaList) {
ViaHeader via = (ViaHeader)
(((ViaList)nextHeader).getFirst().clone());
via.removeParameter(SIPConstants.GENERAL_BRANCH);
nextHeader = via;
// Cancel and ACK preserve the branch ID.
} else if (nextHeader instanceof RouteList) {
continue; // Route is kept by dialog.
} else if (nextHeader instanceof RecordRouteList) {
continue; // RR is added by the caller.
} else if (nextHeader instanceof ContactList) {
continue;
} else if (nextHeader instanceof ToHeader) {
ToHeader to = (ToHeader) nextHeader;
if (switchHeaders) {
nextHeader = new FromHeader(to);
((FromHeader) nextHeader).removeTag();
} else {
nextHeader = (Header) to.clone();
((ToHeader) nextHeader).removeTag();
}
} else if (nextHeader instanceof FromHeader) {
FromHeader from = (FromHeader) nextHeader;
if (switchHeaders) {
nextHeader = new ToHeader(from);
((ToHeader) nextHeader).removeTag();
} else {
nextHeader = (Header) from.clone();
((FromHeader) nextHeader).removeTag();
}
} else if (nextHeader instanceof ContentLengthHeader) {
ContentLengthHeader cl =
(ContentLengthHeader)
nextHeader.clone();
cl.setContentLength(0);
nextHeader = cl;
} else if (nextHeader instanceof ContentTypeHeader) {
continue;
} else if (nextHeader instanceof MaxForwardsHeader) {
// Header is regenerated if the request is to be switched
if (switchHeaders) {
MaxForwardsHeader mf =
(MaxForwardsHeader)
nextHeader.clone();
mf.setMaxForwards(70);
nextHeader = mf;
}
} else if (!(nextHeader instanceof CallIdHeader) &&
!(nextHeader instanceof MaxForwardsHeader)) {
// Route is kept by dialog.
// RR is added by the caller.
// Contact is added by the Caller
// Any extension headers must be added
// by the caller.
continue;
}
newRequest.attachHeader(nextHeader, false);
}
return newRequest;
}
/**
* Creates a BYE request from this request.
*
* @param switchHeaders is a boolean flag that causes from and
* isServerTransaction to headers to be swapped. Set this
* to true if you are the server of the dialog and are generating
* a BYE request for the dialog.
* @return a new default BYE request.
* @throws SipException if the request can't be created.
*/
public Request createBYERequest(boolean switchHeaders) throws SipException {
RequestLine rl = (RequestLine) requestLine.clone();
rl.setMethod(BYE);
return createRequest(rl, switchHeaders);
}
/**
* Creates an ACK request from this request. This is suitable for
* generating an ACK for an INVITE client transaction.
*
* @return an ACK request that is generated from this request.
* @throws SipException if the request can't be created.
*/
public Request createACKRequest() throws SipException {
RequestLine rl = (RequestLine) requestLine.clone();
rl.setMethod(ACK);
return createRequest(rl, false);
}
/**
* Gets the host from the topmost via header.
*
* @return the string representation of the host from the topmost via
* header.
*/
public String getViaHost() {
ViaHeader via = (ViaHeader) this.getViaHeaders().getFirst();
return via.getHost();
}
/**
* Gets the port from the topmost via header.
*
* @return the port from the topmost via header (5060 if there is
* no port indicated).
*/
public int getViaPort() {
ViaHeader via = (ViaHeader) this.getViaHeaders().getFirst();
if (via.hasPort())
return via.getPort();
else
return 5060;
}
/**
* Gets the first line encoded.
*
* @return a string containing the encoded request line.
*/
public String getFirstLine() {
if (requestLine == null)
return null;
else
return this.requestLine.encode();
}
/**
* Sets the sip version.
*
* @param sipVersion the sip version to set.
*/
public void setSIPVersion(String sipVersion)
throws ParseException {
if (sipVersion == null || !sipVersion.equals("SIP/2.0"))
throw new ParseException("sipVersion", 0);
this.requestLine.setSIPVersion(sipVersion);
}
/**
* Gets the SIP version.
*
* @return the SIP version from the request line.
*/
public String getSIPVersion() {
return this.requestLine.getSipVersion();
}
/**
* Gets the transaction pointer.
* @return the transaction pointer
*/
public Object getTransaction() {
// Return an opaque pointer to the transaction object.
// This is for consistency checking and quick lookup.
return this.transactionPointer;
}
/**
* Sets the transaction pointer.
* @param transaction thenew transaction pointer
*/
public void setTransaction(Object transaction) {
this.transactionPointer = transaction;
}
/**
* Gets the Accept-Contact header (null if one does not exist).
* @return Accept-Contact header
*/
public AcceptContactHeader getAcceptContact() {
return (AcceptContactHeader) getHeader(Header.ACCEPT_CONTACT);
}
}
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