Connected two graphs to backend, WIP

src/main/java/com/faf223/expensetrackerfaf/config/CorsConfig.java

@@ -0,0 +1,14 @@
+package com.faf223.expensetrackerfaf.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**").allowedMethods("*");
+    }
+}

src/main/java/com/faf223/expensetrackerfaf/config/CorsFilter.java

@@ -0,0 +1,40 @@
+package com.faf223.expensetrackerfaf.config;
+
+import jakarta.servlet.*;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+@Component
+@Order(Ordered.HIGHEST_PRECEDENCE)
+public class CorsFilter implements Filter {
+
+    @Override
+    public void destroy() {
+    }
+
+    @Override
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse response = (HttpServletResponse) res;
+        HttpServletRequest request = (HttpServletRequest) req;
+
+        response.setHeader("Access-Control-Allow-Origin", "http://localhost:5173");
+        response.setHeader("Access-Control-Allow-Methods", "POST, PUT, GET, OPTIONS, DELETE");
+        response.setHeader("Access-Control-Max-Age", "3600");
+        response.setHeader("Access-Control-Allow-Headers", "X-Requested-With, X-Auth-Token");
+        response.setHeader("Access-Control-Allow-Credentials", "true");
+
+        if (!"OPTIONS".equalsIgnoreCase(request.getMethod())) {
+            chain.doFilter(req, res);
+        }
+    }
+
+    @Override
+    public void init(FilterConfig config) {
+    }
+}