Merge branch '4.1.x' into 4.2.x

Author: ryanjbaxter

spring-cloud-gateway-server-mvc/src/main/java/org/springframework/cloud/gateway/server/mvc/filter/BeforeFilterFunctions.java

@@ -329,10 +329,10 @@ public static Function<ServerRequest, ServerRequest> rewritePath(String regexp,
 		Pattern pattern = Pattern.compile(regexp);
 		return request -> {
 			MvcUtils.addOriginalRequestUrl(request, request.uri());
-			String path = request.uri().getRawPath();
+			String path = request.uri().getPath();
 			String newPath = pattern.matcher(path).replaceAll(normalizedReplacement);
 
-			URI rewrittenUri = UriComponentsBuilder.fromUri(request.uri()).replacePath(newPath).build().toUri();
+			URI rewrittenUri = UriComponentsBuilder.fromUri(request.uri()).replacePath(newPath).encode().build().toUri();
 
 			ServerRequest modified = ServerRequest.from(request).uri(rewrittenUri).build();
 

spring-cloud-gateway-server-mvc/src/test/java/org/springframework/cloud/gateway/server/mvc/filter/BeforeFilterFunctionsTests.java

@@ -28,6 +28,7 @@
 
 /**
  * @author raccoonback
+ * @author Jens Mallien
  */
 class BeforeFilterFunctionsTests {
 
@@ -181,4 +182,52 @@ void stripPrefixWithEncodedParameters() {
 		assertThat(result.uri().toString()).hasToString("http://localhost/depth3?baz%5B%5D=qux%5B%5D");
 	}
 
+	@Test
+	void rewritePath() {
+		MockHttpServletRequest servletRequest = MockMvcRequestBuilders.get("http://localhost/get")
+				.buildRequest(null);
+
+		ServerRequest request = ServerRequest.create(servletRequest, Collections.emptyList());
+
+		ServerRequest modified = BeforeFilterFunctions.rewritePath("get", "modified").apply(request);
+
+		assertThat(modified.uri().getRawPath()).isEqualTo("/modified");
+	}
+
+	@Test
+	void rewritePathWithSpace() {
+		MockHttpServletRequest servletRequest = MockMvcRequestBuilders.get("http://localhost/get/path/with spaces")
+				.buildRequest(null);
+
+		ServerRequest request = ServerRequest.create(servletRequest, Collections.emptyList());
+
+		ServerRequest modified = BeforeFilterFunctions.rewritePath("get", "modified").apply(request);
+
+		assertThat(modified.uri().getRawPath()).isEqualTo("/modified/path/with%20spaces");
+	}
+
+	@Test
+	void rewritePathWithEnDash() {
+		MockHttpServletRequest servletRequest = MockMvcRequestBuilders.get("http://localhost/get/path/with–en–dashes")
+				.buildRequest(null);
+
+		ServerRequest request = ServerRequest.create(servletRequest, Collections.emptyList());
+
+		ServerRequest modified = BeforeFilterFunctions.rewritePath("get", "modified").apply(request);
+
+		assertThat(modified.uri().getRawPath()).isEqualTo("/modified/path/with%E2%80%93en%E2%80%93dashes");
+	}
+
+	@Test
+	void rewritePathWithEnDashAndSpace() {
+		MockHttpServletRequest servletRequest = MockMvcRequestBuilders.get("http://localhost/get/path/with–en–dashes and spaces")
+				.buildRequest(null);
+
+		ServerRequest request = ServerRequest.create(servletRequest, Collections.emptyList());
+
+		ServerRequest modified = BeforeFilterFunctions.rewritePath("get", "modified").apply(request);
+
+		assertThat(modified.uri().getRawPath()).isEqualTo("/modified/path/with%E2%80%93en%E2%80%93dashes%20and%20spaces");
+	}
+
 }