redirections

backend/src/main/java/pdl/backend/RedirectConfiguration.java

@@ -0,0 +1,50 @@
+package pdl.backend;
+
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.regex.Pattern;
+
+@Configuration
+public class RedirectConfiguration {
+
+	@Bean
+	public FilterRegistrationBean<OncePerRequestFilter> spaRedirectFiler() {
+		FilterRegistrationBean<OncePerRequestFilter> registration = new FilterRegistrationBean<>();
+		registration.setFilter(createRedirectFilter());
+		registration.addUrlPatterns("/*");
+		registration.setName("frontendRedirectFiler");
+		registration.setOrder(1);
+		return registration;
+	}
+
+	private OncePerRequestFilter createRedirectFilter() {
+		return new OncePerRequestFilter() {
+			// Forwards all routes except '/index.html', '/200.html', '/favicon.ico',
+			// '/sw.js' '/images/', '/images/**', '/algorithms/''
+			private final String REGEX = "(?!/actuator|/algorithms|/images|/_nuxt|/static|/index\\.html|/200\\.html|/favicon\\.ico|/sw\\.js).*$";
+			private Pattern pattern = Pattern.compile(REGEX);
+
+			@Override
+			protected void doFilterInternal(HttpServletRequest req, HttpServletResponse res, FilterChain chain)
+					throws ServletException, IOException {
+				if (pattern.matcher(req.getRequestURI()).matches() && !req.getRequestURI().equals("/")) {
+					// Delegate/Forward to `/` if `pattern` matches and it is not `/`
+					// Required for the history mode in frontend routing
+					RequestDispatcher rd = req.getRequestDispatcher("/");
+					rd.forward(req, res);
+				} else {
+					chain.doFilter(req, res);
+				}
+			}
+		};
+	}
+}

frontend/vite.config.ts

@@ -14,6 +14,9 @@ export default defineConfig({
 		proxy: {
 			'^/images': {
 				target: 'http://localhost:8080' // Spring boot backend address
+			},
+			'^/algorithms': {
+				target: 'http://localhost:8080'
 			}
 		}
 	},