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.SipLayer;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
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import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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import com.genersoft.iot.vmp.gb28181.bean.SubscribeInfo;
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import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.utils.GitUtil;
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import gov.nist.javax.sip.message.MessageFactoryImpl;
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import gov.nist.javax.sip.message.SIPRequest;
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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.InvalidArgumentException;
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import javax.sip.PeerUnavailableException;
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import javax.sip.SipFactory;
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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.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 SipLayer sipLayer;
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@Autowired
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private GitUtil gitUtil;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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public Request createRegisterRequest(@NotNull ParentPlatform parentPlatform, long CSeq, String fromTag, String toTag, CallIdHeader callIdHeader, int expires) throws ParseException, InvalidArgumentException, PeerUnavailableException {
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Request request = null;
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String sipAddress = parentPlatform.getDeviceIp() + ":" + parentPlatform.getDevicePort();
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//请求行
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SipURI requestLine = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(),
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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.getInstance().createHeaderFactory().createViaHeader(parentPlatform.getDeviceIp(),
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Integer.parseInt(parentPlatform.getDevicePort()), parentPlatform.getTransport(), SipUtils.getNewViaTag());
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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.getInstance().createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(), sipConfig.getDomain());
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Address fromAddress = SipFactory.getInstance().createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = SipFactory.getInstance().createHeaderFactory().createFromHeader(fromAddress, fromTag);
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//to
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SipURI toSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(), sipConfig.getDomain());
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Address toAddress = SipFactory.getInstance().createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = SipFactory.getInstance().createHeaderFactory().createToHeader(toAddress,toTag);
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//Forwards
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MaxForwardsHeader maxForwards = SipFactory.getInstance().createHeaderFactory().createMaxForwardsHeader(70);
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//ceq
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CSeqHeader cSeqHeader = SipFactory.getInstance().createHeaderFactory().createCSeqHeader(CSeq, Request.REGISTER);
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request = SipFactory.getInstance().createMessageFactory().createRequest(requestLine, Request.REGISTER, callIdHeader,
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cSeqHeader,fromHeader, toHeader, viaHeaders, maxForwards);
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Address concatAddress = SipFactory.getInstance().createAddressFactory().createAddress(SipFactory.getInstance().createAddressFactory()
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.createSipURI(parentPlatform.getDeviceGBId(), sipAddress));
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request.addHeader(SipFactory.getInstance().createHeaderFactory().createContactHeader(concatAddress));
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ExpiresHeader expiresHeader = SipFactory.getInstance().createHeaderFactory().createExpiresHeader(expires);
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request.addHeader(expiresHeader);
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request.addHeader(SipUtils.createUserAgentHeader(gitUtil));
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return request;
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}
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public Request createRegisterRequest(@NotNull ParentPlatform parentPlatform, String fromTag, String toTag,
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WWWAuthenticateHeader www , CallIdHeader callIdHeader, int expires) throws ParseException, PeerUnavailableException, InvalidArgumentException {
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Request registerRequest = createRegisterRequest(parentPlatform, redisCatchStorage.getCSEQ(), fromTag, toTag, callIdHeader, expires);
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SipURI requestURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP() + ":" + parentPlatform.getServerPort());
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if (www == null) {
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AuthorizationHeader authorizationHeader = SipFactory.getInstance().createHeaderFactory().createAuthorizationHeader("Digest");
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String username = parentPlatform.getUsername();
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if ( username == null || username == "" )
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{
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authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
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} else {
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authorizationHeader.setUsername(username);
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}
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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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String cNonce = null;
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String nc = "00000001";
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if (qop != null) {
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if ("auth".equalsIgnoreCase(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".equalsIgnoreCase(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.getInstance().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, SendRtpItem sendRtpItem) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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CallIdHeader callIdHeader = SipFactory.getInstance().createHeaderFactory().createCallIdHeader(sendRtpItem.getCallId());
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callIdHeader.setCallId(sendRtpItem.getCallId());
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return createMessageRequest(parentPlatform, content, sendRtpItem.getToTag(), SipUtils.getNewViaTag(), sendRtpItem.getFromTag(), callIdHeader);
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}
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public Request createMessageRequest(ParentPlatform parentPlatform, String content, String fromTag, String viaTag, CallIdHeader callIdHeader) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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return createMessageRequest(parentPlatform, content, fromTag, viaTag, null, callIdHeader);
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}
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public Request createMessageRequest(ParentPlatform parentPlatform, String content, String fromTag, String viaTag, String toTag, CallIdHeader callIdHeader) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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Request request = null;
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String serverAddress = parentPlatform.getServerIP()+ ":" + parentPlatform.getServerPort();
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// sipuri
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SipURI requestURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(), serverAddress);
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = SipFactory.getInstance().createHeaderFactory().createViaHeader(parentPlatform.getDeviceIp(), Integer.parseInt(parentPlatform.getDevicePort()),
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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.getInstance().createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(), parentPlatform.getDeviceIp() + ":" + parentPlatform.getDeviceIp());
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SipURI fromSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(), sipConfig.getDomain());
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Address fromAddress = SipFactory.getInstance().createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = SipFactory.getInstance().createHeaderFactory().createFromHeader(fromAddress, fromTag);
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// to
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SipURI toSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(), serverAddress);
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Address toAddress = SipFactory.getInstance().createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = SipFactory.getInstance().createHeaderFactory().createToHeader(toAddress, toTag);
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// Forwards
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MaxForwardsHeader maxForwards = SipFactory.getInstance().createHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = SipFactory.getInstance().createHeaderFactory().createCSeqHeader(redisCatchStorage.getCSEQ(), Request.MESSAGE);
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MessageFactoryImpl messageFactory = (MessageFactoryImpl) SipFactory.getInstance().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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request.addHeader(SipUtils.createUserAgentHeader(gitUtil));
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ContentTypeHeader contentTypeHeader = SipFactory.getInstance().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 SIPRequest createNotifyRequest(ParentPlatform parentPlatform, String content, SubscribeInfo subscribeInfo) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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SIPRequest request = null;
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// sipuri
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SipURI requestURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerIP()+ ":" + parentPlatform.getServerPort());
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<>();
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ViaHeader viaHeader = SipFactory.getInstance().createHeaderFactory().createViaHeader(parentPlatform.getDeviceIp(), Integer.parseInt(parentPlatform.getDevicePort()),
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parentPlatform.getTransport(), SipUtils.getNewViaTag());
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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.getInstance().createAddressFactory().createSipURI(parentPlatform.getDeviceGBId(),
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parentPlatform.getDeviceIp() + ":" + parentPlatform.getDevicePort());
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Address fromAddress = SipFactory.getInstance().createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = SipFactory.getInstance().createHeaderFactory().createFromHeader(fromAddress, subscribeInfo.getResponse() != null ? subscribeInfo.getResponse().getToTag(): subscribeInfo.getSimulatedToTag());
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// to
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SipURI toSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(parentPlatform.getServerGBId(), parentPlatform.getServerGBDomain());
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Address toAddress = SipFactory.getInstance().createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = SipFactory.getInstance().createHeaderFactory().createToHeader(toAddress, subscribeInfo.getRequest() != null ?subscribeInfo.getRequest().getFromTag(): subscribeInfo.getSimulatedFromTag());
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// Forwards
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MaxForwardsHeader maxForwards = SipFactory.getInstance().createHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = SipFactory.getInstance().createHeaderFactory().createCSeqHeader(redisCatchStorage.getCSEQ(), Request.NOTIFY);
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MessageFactoryImpl messageFactory = (MessageFactoryImpl) SipFactory.getInstance().createMessageFactory();
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// 设置编码， 防止中文乱码
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messageFactory.setDefaultContentEncodingCharset("gb2312");
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CallIdHeader callIdHeader = SipFactory.getInstance().createHeaderFactory().createCallIdHeader(subscribeInfo.getRequest() != null ? subscribeInfo.getRequest().getCallIdHeader().getCallId(): subscribeInfo.getSimulatedCallId());
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request = (SIPRequest) messageFactory.createRequest(requestURI, Request.NOTIFY, callIdHeader, cSeqHeader, fromHeader,
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toHeader, viaHeaders, maxForwards);
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request.addHeader(SipUtils.createUserAgentHeader(gitUtil));
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EventHeader event = SipFactory.getInstance().createHeaderFactory().createEventHeader(subscribeInfo.getEventType());
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if (subscribeInfo.getEventId() != null) {
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event.setEventId(subscribeInfo.getEventId());
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}
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request.addHeader(event);
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SubscriptionStateHeader active = SipFactory.getInstance().createHeaderFactory().createSubscriptionStateHeader("active");
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request.setHeader(active);
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String sipAddress = parentPlatform.getDeviceIp() + ":" + parentPlatform.getDevicePort();
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Address concatAddress = SipFactory.getInstance().createAddressFactory().createAddress(SipFactory.getInstance().createAddressFactory()
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.createSipURI(parentPlatform.getDeviceGBId(), sipAddress));
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request.addHeader(SipFactory.getInstance().createHeaderFactory().createContactHeader(concatAddress));
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ContentTypeHeader contentTypeHeader = SipFactory.getInstance().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 SIPRequest createByeRequest(ParentPlatform platform, SendRtpItem sendRtpItem) throws PeerUnavailableException, ParseException, InvalidArgumentException {
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if (sendRtpItem == null ) {
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return null;
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}
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SIPRequest request = null;
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// sipuri
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SipURI requestURI = SipFactory.getInstance().createAddressFactory().createSipURI(platform.getServerGBId(), platform.getServerIP()+ ":" + platform.getServerPort());
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<>();
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ViaHeader viaHeader = SipFactory.getInstance().createHeaderFactory().createViaHeader(platform.getDeviceIp(), Integer.parseInt(platform.getDevicePort()),
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platform.getTransport(), SipUtils.getNewViaTag());
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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.getInstance().createAddressFactory().createSipURI(sendRtpItem.getChannelId(),
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platform.getDeviceIp() + ":" + platform.getDevicePort());
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Address fromAddress = SipFactory.getInstance().createAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = SipFactory.getInstance().createHeaderFactory().createFromHeader(fromAddress, sendRtpItem.getToTag());
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// to
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SipURI toSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(platform.getServerGBId(), platform.getServerGBDomain());
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Address toAddress = SipFactory.getInstance().createAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = SipFactory.getInstance().createHeaderFactory().createToHeader(toAddress, sendRtpItem.getFromTag());
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// Forwards
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MaxForwardsHeader maxForwards = SipFactory.getInstance().createHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = SipFactory.getInstance().createHeaderFactory().createCSeqHeader(redisCatchStorage.getCSEQ(), Request.BYE);
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CallIdHeader callIdHeader = SipFactory.getInstance().createHeaderFactory().createCallIdHeader(sendRtpItem.getCallId());
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request = (SIPRequest) SipFactory.getInstance().createMessageFactory().createRequest(requestURI, Request.BYE, callIdHeader, cSeqHeader, fromHeader,
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toHeader, viaHeaders, maxForwards);
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request.addHeader(SipUtils.createUserAgentHeader(gitUtil));
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String sipAddress = platform.getDeviceIp() + ":" + platform.getDevicePort();
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Address concatAddress = SipFactory.getInstance().createAddressFactory().createAddress(SipFactory.getInstance().createAddressFactory()
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.createSipURI(platform.getDeviceGBId(), sipAddress));
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request.addHeader(SipFactory.getInstance().createHeaderFactory().createContactHeader(concatAddress));
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return request;
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}
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}
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