package com.genersoft.iot.vmp.gb28181.transmit.cmd;
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import com.genersoft.iot.vmp.conf.SipConfig;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
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import com.genersoft.iot.vmp.gb28181.bean.SubscribeInfo;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import gov.nist.javax.sip.message.MessageFactoryImpl;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.util.DigestUtils;
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import javax.sip.*;
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import javax.sip.address.Address;
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import javax.sip.address.SipURI;
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import javax.sip.header.*;
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import javax.sip.message.Request;
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import javax.validation.constraints.NotNull;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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/**
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* @description: 平台命令request创造器 TODO 冗余代码太多待优化
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* @author: panll
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* @date: 2020年5月6日 上午9:29:02
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*/
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@Component
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public class SIPRequestHeaderPlarformProvider {
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@Autowired
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private SipConfig sipConfig;
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@Autowired
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private SipFactory sipFactory;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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public Request createKeetpaliveMessageRequest(ParentPlatform parentPlatform, String content, String viaTag, String fromTag, String toTag, CallIdHeader callIdHeader) throws ParseException, InvalidArgumentException, PeerUnavailableException {
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Request request = null;
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// sipuri
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SipURI requestURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP() + ":" + parentPlatform.getServerPort());
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = sipFactory.createHeaderFactory().createViaHeader(sipConfig.getIp(), sipConfig.getPort(),
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parentPlatform.getTransport(), viaTag);
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viaHeader.setRPort();
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viaHeaders.add(viaHeader);
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// from
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SipURI fromSipURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(),
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sipConfig.getIp() + ":" + sipConfig.getPort());
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Address fromAddress = sipFactory.createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = sipFactory.createHeaderFactory().createFromHeader(fromAddress, fromTag);
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// to
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SipURI toSipURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP() + ":" + parentPlatform.getServerPort() );
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Address toAddress = sipFactory.createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = sipFactory.createHeaderFactory().createToHeader(toAddress, toTag);
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// Forwards
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MaxForwardsHeader maxForwards = sipFactory.createHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = sipFactory.createHeaderFactory().createCSeqHeader(redisCatchStorage.getCSEQ(Request.MESSAGE), Request.MESSAGE);
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request = sipFactory.createMessageFactory().createRequest(requestURI, Request.MESSAGE, callIdHeader, cSeqHeader, fromHeader,
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toHeader, viaHeaders, maxForwards);
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List<String> agentParam = new ArrayList<>();
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ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
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request.setContent(content, contentTypeHeader);
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return request;
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}
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public Request createRegisterRequest(@NotNull ParentPlatform platform, long CSeq, String fromTag, String viaTag, CallIdHeader callIdHeader) throws ParseException, InvalidArgumentException, PeerUnavailableException {
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Request request = null;
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String sipAddress = sipConfig.getIp() + ":" + sipConfig.getPort();
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//请求行
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SipURI requestLine = sipFactory.createAddressFactory().createSipURI(platform.getServerGBId(),
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platform.getServerIP() + ":" + platform.getServerPort());
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//via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = sipFactory.createHeaderFactory().createViaHeader(platform.getServerIP(), platform.getServerPort(), platform.getTransport(), viaTag);
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viaHeader.setRPort();
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viaHeaders.add(viaHeader);
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//from
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SipURI fromSipURI = sipFactory.createAddressFactory().createSipURI(platform.getDeviceGBId(),sipAddress);
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Address fromAddress = sipFactory.createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = sipFactory.createHeaderFactory().createFromHeader(fromAddress, fromTag);
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//to
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SipURI toSipURI = sipFactory.createAddressFactory().createSipURI(platform.getDeviceGBId(),sipAddress);
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Address toAddress = sipFactory.createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = sipFactory.createHeaderFactory().createToHeader(toAddress,null);
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//Forwards
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MaxForwardsHeader maxForwards = sipFactory.createHeaderFactory().createMaxForwardsHeader(70);
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//ceq
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CSeqHeader cSeqHeader = sipFactory.createHeaderFactory().createCSeqHeader(CSeq, Request.REGISTER);
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request = sipFactory.createMessageFactory().createRequest(requestLine, Request.REGISTER, callIdHeader,
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cSeqHeader,fromHeader, toHeader, viaHeaders, maxForwards);
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Address concatAddress = sipFactory.createAddressFactory().createAddress(sipFactory.createAddressFactory()
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.createSipURI(platform.getDeviceGBId(), sipAddress));
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request.addHeader(sipFactory.createHeaderFactory().createContactHeader(concatAddress));
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ExpiresHeader expires = sipFactory.createHeaderFactory().createExpiresHeader(Integer.parseInt(platform.getExpires()));
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request.addHeader(expires);
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return request;
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}
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public Request createRegisterRequest(@NotNull ParentPlatform parentPlatform, String fromTag, String viaTag,
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String callId, WWWAuthenticateHeader www , CallIdHeader callIdHeader) throws ParseException, PeerUnavailableException, InvalidArgumentException {
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Request registerRequest = createRegisterRequest(parentPlatform, redisCatchStorage.getCSEQ(Request.REGISTER), fromTag, viaTag, callIdHeader);
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SipURI requestURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP() + ":" + parentPlatform.getServerPort());
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if (www == null) {
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AuthorizationHeader authorizationHeader = sipFactory.createHeaderFactory().createAuthorizationHeader("Digest");
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authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
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authorizationHeader.setURI(requestURI);
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authorizationHeader.setAlgorithm("MD5");
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registerRequest.addHeader(authorizationHeader);
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return registerRequest;
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}
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String realm = www.getRealm();
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String nonce = www.getNonce();
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String scheme = www.getScheme();
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// 参考 https://blog.csdn.net/y673533511/article/details/88388138
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// qop 保护质量 包含auth（默认的）和auth-int（增加了报文完整性检测）两种策略
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String qop = www.getQop();
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callIdHeader.setCallId(callId);
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String cNonce = null;
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String nc = "00000001";
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if (qop != null) {
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if ("auth".equals(qop)) {
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// 客户端随机数，这是一个不透明的字符串值，由客户端提供，并且客户端和服务器都会使用，以避免用明文文本。
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// 这使得双方都可以查验对方的身份，并对消息的完整性提供一些保护
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cNonce = UUID.randomUUID().toString();
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}else if ("auth-int".equals(qop)){
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// TODO
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}
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}
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String HA1 = DigestUtils.md5DigestAsHex((parentPlatform.getDeviceGBId() + ":" + realm + ":" + parentPlatform.getPassword()).getBytes());
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String HA2=DigestUtils.md5DigestAsHex((Request.REGISTER + ":" + requestURI.toString()).getBytes());
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StringBuffer reStr = new StringBuffer(200);
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reStr.append(HA1);
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reStr.append(":");
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reStr.append(nonce);
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reStr.append(":");
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if (qop != null) {
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reStr.append(nc);
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reStr.append(":");
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reStr.append(cNonce);
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reStr.append(":");
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reStr.append(qop);
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reStr.append(":");
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}
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reStr.append(HA2);
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String RESPONSE = DigestUtils.md5DigestAsHex(reStr.toString().getBytes());
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AuthorizationHeader authorizationHeader = sipFactory.createHeaderFactory().createAuthorizationHeader(scheme);
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authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
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authorizationHeader.setRealm(realm);
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authorizationHeader.setNonce(nonce);
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authorizationHeader.setURI(requestURI);
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authorizationHeader.setResponse(RESPONSE);
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authorizationHeader.setAlgorithm("MD5");
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if (qop != null) {
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authorizationHeader.setQop(qop);
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authorizationHeader.setCNonce(cNonce);
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authorizationHeader.setNonceCount(1);
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}
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registerRequest.addHeader(authorizationHeader);
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return registerRequest;
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}
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public Request createMessageRequest(ParentPlatform parentPlatform, String content, String fromTag, CallIdHeader callIdHeader) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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Request request = null;
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// sipuri
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SipURI requestURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP()+ ":" + parentPlatform.getServerPort());
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = sipFactory.createHeaderFactory().createViaHeader(parentPlatform.getDeviceIp(), Integer.parseInt(parentPlatform.getDevicePort()),
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parentPlatform.getTransport(), null);
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viaHeader.setRPort();
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viaHeaders.add(viaHeader);
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// from
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SipURI fromSipURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(),
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parentPlatform.getDeviceIp() + ":" + parentPlatform.getDevicePort());
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Address fromAddress = sipFactory.createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = sipFactory.createHeaderFactory().createFromHeader(fromAddress, fromTag);
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// to
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SipURI toSipURI = sipFactory.createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerGBDomain());
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Address toAddress = sipFactory.createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = sipFactory.createHeaderFactory().createToHeader(toAddress, null);
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// Forwards
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MaxForwardsHeader maxForwards = sipFactory.createHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = sipFactory.createHeaderFactory().createCSeqHeader(redisCatchStorage.getCSEQ(Request.MESSAGE), Request.MESSAGE);
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MessageFactoryImpl messageFactory = (MessageFactoryImpl) sipFactory.createMessageFactory();
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// 设置编码， 防止中文乱码
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messageFactory.setDefaultContentEncodingCharset(parentPlatform.getCharacterSet());
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request = messageFactory.createRequest(requestURI, Request.MESSAGE, callIdHeader, cSeqHeader, fromHeader,
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toHeader, viaHeaders, maxForwards);
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ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
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request.setContent(content, contentTypeHeader);
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return request;
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}
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}
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