feat(security): creado componente JwtAuthFilter para interceptar peticiones y validar el token

src/main/java/com/example/apprecetas/security/jwt/JwtAuthFilter.java

+package com.example.apprecetas.security.jwt;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import java.io.IOException;
+
+@Component
+@RequiredArgsConstructor
+public class JwtAuthFilter extends OncePerRequestFilter {
+
+    private final JwtTokenProvider jwtTokenProvider;
+
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+        String token = getJwtFromRequest(request);
+
+        if (token != null && jwtTokenProvider.validateToken(token)) {
+            Authentication authentication = jwtTokenProvider.getAuthentication(token);
+            SecurityContextHolder.getContext().setAuthentication(authentication);
+        }
+
+        filterChain.doFilter(request, response);
+    }
+
+    private String getJwtFromRequest(HttpServletRequest request) {
+        String bearerToken = request.getHeader("Authorization");
+
+        if (bearerToken != null && bearerToken.startsWith("Bearer ")) {
+            return bearerToken.substring(7);
+        }
+        return null;
+    }
+}