CORS config added

Author: harshjohar

src/main/java/com/pecacm/backend/filters/SimpleCORSFilter.java

@@ -0,0 +1,44 @@
+package com.pecacm.backend.filters;
+
+import jakarta.servlet.*;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+@Component
+public class SimpleCORSFilter implements Filter {
+
+    private final Logger log = LoggerFactory.getLogger(SimpleCORSFilter.class);
+
+    public SimpleCORSFilter() {
+        log.info("SimpleCORSFilter init");
+    }
+
+    @Override
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
+
+        HttpServletRequest request = (HttpServletRequest) req;
+        HttpServletResponse response = (HttpServletResponse) res;
+
+        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
+        response.setHeader("Access-Control-Allow-Credentials", "true");
+        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
+        response.setHeader("Access-Control-Max-Age", "3600");
+        response.setHeader("Access-Control-Allow-Headers", "Content-Type, Accept, X-Requested-With, Authorization");
+
+        chain.doFilter(req, res);
+    }
+
+    @Override
+    public void init(FilterConfig filterConfig) {
+    }
+
+    @Override
+    public void destroy() {
+    }
+
+}