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/conf/GlobalExceptionHandler.java

@@ -11,6 +11,7 @@ import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.resource.NoResourceFoundException;
 
 /**
  * 全局异常处理
@@ -31,6 +32,17 @@ public class GlobalExceptionHandler {
         return WVPResult.fail(ErrorCode.ERROR500.getCode(), e.getMessage());
     }
 
+    /**
+     * 默认异常处理
+     * @param e 异常
+     * @return 统一返回结果
+     */
+    @ExceptionHandler(NoResourceFoundException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public WVPResult<String> exceptionHandler(NoResourceFoundException e) {
+        return WVPResult.fail(ErrorCode.ERROR404);
+    }
+
     /**
      * 默认异常处理
      * @param e 异常

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=");