Pre Merge pull request !46 from 阿斌/N/A

java.text.ParseException: [C@2f1fec26
ID expected
        at gov.nist.core.LexerCore.match(LexerCore.java:229)
        at gov.nist.javax.sdp.parser.OriginFieldParser.originField(OriginFieldParser.java:90)
        at gov.nist.javax.sdp.parser.OriginFieldParser.parse(OriginFieldParser.java:108)
        at gov.nist.javax.sdp.parser.SDPAnnounceParser.parse(SDPAnnounceParser.java:113)
        at javax.sdp.SdpFactory.createSessionDescription(SdpFactory.java:129)
        at com.genersoft.iot.vmp.gb28181.utils.SipUtils.parseSDP(SipUtils.java:229)
        at com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.InviteRequestProcessor.decode(InviteRequestProcessor.java:275)
        at com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.InviteRequestProcessor.process(InviteRequestProcessor.java:125)
        at com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver.processRequest(SIPProcessorObserver.java:71)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:359)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:196)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
        at org.springframework.aop.interceptor.AsyncExecutionInterceptor.lambda$invoke$0(AsyncExecutionInterceptor.java:114)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1583)
java.text.ParseException: o=- ' OR 'a'='a'; -- 1 IN IP4 179.43.150.26
        at gov.nist.javax.sdp.parser.OriginFieldParser.originField(OriginFieldParser.java:103)
        at gov.nist.javax.sdp.parser.OriginFieldParser.parse(OriginFieldParser.java:108)
        at gov.nist.javax.sdp.parser.SDPAnnounceParser.parse(SDPAnnounceParser.java:113)
        at javax.sdp.SdpFactory.createSessionDescription(SdpFactory.java:129)
        at com.genersoft.iot.vmp.gb28181.utils.SipUtils.parseSDP(SipUtils.java:229)
        at com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.InviteRequestProcessor.decode(InviteRequestProcessor.java:275)
        at com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.InviteRequestProcessor.process(InviteRequestProcessor.java:125)
        at com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver.processRequest(SIPProcessorObserver.java:71)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:359)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:196)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
        at org.springframework.aop.interceptor.AsyncExecutionInterceptor.lambda$invoke$0(AsyncExecutionInterceptor.java:114)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1583)


Signed-off-by: 阿斌 <38912748@qq.com>

src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java

@@ -205,6 +205,21 @@ public class SipUtils {
     }
 
     public static Gb28181Sdp parseSDP(String sdpStr) throws SdpParseException {
+        
+        // 校验：拦截空内容与注入攻击特征
+        if (sdpStr == null || sdpStr.trim().isEmpty()) {
+            throw new SdpParseException(0, 0, "SDP内容为空");
+        }
+        // 标准SDP每行格式固定为 "x=value"，不存在SQL关键字；出现则视为注入攻击
+        String sdpUpper = sdpStr.toUpperCase();
+        if (sdpUpper.contains("' OR '") || sdpUpper.contains("' OR 1") || sdpUpper.contains(" OR 1=1")
+                || sdpUpper.contains("--") || sdpUpper.contains("/*") || sdpUpper.contains("*/")
+                || sdpUpper.contains("DROP ") || sdpUpper.contains("INSERT ") || sdpUpper.contains("UPDATE ")
+                || sdpUpper.contains("DELETE ") || sdpUpper.contains("UNION ") || sdpUpper.contains("SELECT ")) {
+            log.error("[SDP注入攻击] 检测到非法SDP内容，已拒绝解析，内容长度: {}", sdpStr.length());
+            throw new SdpParseException(0, 0, "非法SDP内容");
+        }
+        //校验结束
 
         // jainSip不支持y= f=字段， 移除以解析。
         int ssrcIndex = sdpStr.indexOf("y=");

src/main/java/com/genersoft/iot/vmp/media/service/impl/MediaServerServiceImpl.java

@@ -31,8 +31,6 @@ import com.genersoft.iot.vmp.utils.DateUtil;
 import com.genersoft.iot.vmp.utils.redis.RedisUtil;
 import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
 import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
-import jakarta.validation.constraints.NotNull;
-import lombok.Synchronized;
 import lombok.extern.slf4j.Slf4j;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
@@ -346,7 +344,13 @@ public class MediaServerServiceImpl implements IMediaServerService {
         if (values.isEmpty()) {
             return null;
         }
-        return (MediaServer) redisTemplate.opsForHash().get((String) values.get(0), mediaServerId);
+        for (Object value : values) {
+            MediaServer mediaServer = (MediaServer) redisTemplate.opsForHash().get((String) value, mediaServerId);
+            if (mediaServer != null){
+                return mediaServer;
+            }
+        }
+        return null;
     }