feat: show directly requested file in requests overview

When a call directly hits a file it is now show up in the requests overview. This helps the user whether an attack from WebGoat actually requested the uploaded file.

Closes: gh-1551

src/main/java/org/owasp/webgoat/webwolf/requests/Requests.java

@@ -22,8 +22,6 @@
 
 package org.owasp.webgoat.webwolf.requests;
 
-import static java.util.stream.Collectors.toList;
-
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import java.time.Instant;
@@ -67,10 +65,10 @@ public class Requests {
     var model = new ModelAndView("requests");
     String username = (null != authentication) ? authentication.getName() : "anonymous";
     var traces =
-        traceRepository.findAllTraces().stream()
+        traceRepository.findAll().stream()
             .filter(t -> allowedTrace(t, username))
             .map(t -> new Tracert(t.getTimestamp(), path(t), toJsonString(t)))
-            .collect(toList());
+            .toList();
     model.addObject("traces", traces);
 
     return model;
@@ -93,7 +91,7 @@ public class Requests {
   }
 
   private String path(HttpExchange t) {
-    return (String) t.getRequest().getUri().getPath();
+    return t.getRequest().getUri().getPath();
   }
 
   private String toJsonString(HttpExchange t) {

src/main/java/org/owasp/webgoat/webwolf/requests/WebWolfTraceRepository.java

@@ -22,6 +22,9 @@
 
 package org.owasp.webgoat.webwolf.requests;
 
+import static org.owasp.webgoat.webwolf.requests.WebWolfTraceRepository.Exclusion.contains;
+import static org.owasp.webgoat.webwolf.requests.WebWolfTraceRepository.Exclusion.endsWith;
+
 import com.google.common.collect.EvictingQueue;
 import java.util.ArrayList;
 import java.util.List;
@@ -36,31 +39,50 @@ import org.springframework.boot.actuate.web.exchanges.HttpExchangeRepository;
  * @since 8/13/17.
  */
 public class WebWolfTraceRepository implements HttpExchangeRepository {
+  private enum MatchingMode {
+    CONTAINS,
+    ENDS_WITH,
+    EQUALS;
+  }
+
+  record Exclusion(String path, MatchingMode mode) {
+    public boolean matches(String path) {
+      return switch (mode) {
+        case CONTAINS -> path.contains(this.path);
+        case ENDS_WITH -> path.endsWith(this.path);
+        case EQUALS -> path.equals(this.path);
+      };
+    }
+
+    public static Exclusion contains(String exclusionPattern) {
+      return new Exclusion(exclusionPattern, MatchingMode.CONTAINS);
+    }
+
+    public static Exclusion endsWith(String exclusionPattern) {
+      return new Exclusion(exclusionPattern, MatchingMode.ENDS_WITH);
+    }
+  }
 
   private final EvictingQueue<HttpExchange> traces = EvictingQueue.create(10000);
-  private final List<String> exclusionList =
+  private final List<Exclusion> exclusionList =
       List.of(
-          "/tmpdir",
-          "/home",
-          "/files",
-          "/images/",
-          "/js/",
-          "/webjars/",
-          "/requests",
-          "/css/",
-          "/mail");
+          contains("/tmpdir"),
+          contains("/home"),
+          endsWith("/files"),
+          contains("/images/"),
+          contains("/js/"),
+          contains("/webjars/"),
+          contains("/requests"),
+          contains("/css/"),
+          contains("/mail"));
 
   @Override
   public List<HttpExchange> findAll() {
-    return List.of();
-  }
-
-  public List<HttpExchange> findAllTraces() {
     return new ArrayList<>(traces);
   }
 
   private boolean isInExclusionList(String path) {
-    return exclusionList.stream().anyMatch(e -> path.contains(e));
+    return exclusionList.stream().anyMatch(e -> e.matches(path));
   }
 
   @Override

src/test/java/org/owasp/webgoat/webwolf/requests/WebWolfTraceRepositoryTest.java

@@ -0,0 +1,41 @@
+package org.owasp.webgoat.webwolf.requests;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.net.URI;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.actuate.web.exchanges.HttpExchange;
+
+class WebWolfTraceRepositoryTest {
+
+  @Test
+  @DisplayName("When a user hits a file upload it should be recorded")
+  void shouldAddFilesRequest() {
+    HttpExchange httpExchange = mock();
+    HttpExchange.Request request = mock();
+    when(httpExchange.getRequest()).thenReturn(request);
+    when(request.getUri()).thenReturn(URI.create("http://localhost:9090/files/test1234/test.jpg"));
+    WebWolfTraceRepository repository = new WebWolfTraceRepository();
+
+    repository.add(httpExchange);
+
+    Assertions.assertThat(repository.findAll()).hasSize(1);
+  }
+
+  @Test
+  @DisplayName("When a user hits file upload page ('/files') it should be recorded")
+  void shouldAddNotAddFilesRequestOverview() {
+    HttpExchange httpExchange = mock();
+    HttpExchange.Request request = mock();
+    when(httpExchange.getRequest()).thenReturn(request);
+    when(request.getUri()).thenReturn(URI.create("http://localhost:9090/files"));
+    WebWolfTraceRepository repository = new WebWolfTraceRepository();
+
+    repository.add(httpExchange);
+
+    Assertions.assertThat(repository.findAll()).hasSize(0);
+  }
+}