refactor to use text/html resolve chaos problem on rejectTips

spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java

@@ -55,7 +55,7 @@ import static com.tencent.cloud.polaris.ratelimit.constant.RateLimitConstant.LAB
 /**
  * Reactive filter to check quota.
  *
- * @author Haotian Zhang, lepdou
+ * @author Haotian Zhang, lepdou, cheese8
  */
 public class QuotaCheckReactiveFilter implements WebFilter, Ordered {
 
@@ -106,7 +106,7 @@ public class QuotaCheckReactiveFilter implements WebFilter, Ordered {
 			if (quotaResponse.getCode() == QuotaResultCode.QuotaResultLimited) {
 				ServerHttpResponse response = exchange.getResponse();
 				response.setRawStatusCode(polarisRateLimitProperties.getRejectHttpCode());
-				response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
+				response.getHeaders().setContentType(MediaType.valueOf("text/html;charset=UTF-8"));
 				DataBuffer dataBuffer = response.bufferFactory().allocateBuffer()
 						.write(rejectTips.getBytes(StandardCharsets.UTF_8));
 				return response.writeWith(Mono.just(dataBuffer));

spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java

@@ -53,7 +53,7 @@ import static com.tencent.cloud.polaris.ratelimit.constant.RateLimitConstant.LAB
 /**
  * Servlet filter to check quota.
  *
- * @author Haotian Zhang, lepdou
+ * @author Haotian Zhang, lepdou, cheese8
  */
 @Order(RateLimitConstant.FILTER_ORDER)
 public class QuotaCheckServletFilter extends OncePerRequestFilter {
@@ -99,7 +99,7 @@ public class QuotaCheckServletFilter extends OncePerRequestFilter {
 
 			if (quotaResponse.getCode() == QuotaResultCode.QuotaResultLimited) {
 				response.setStatus(polarisRateLimitProperties.getRejectHttpCode());
-				response.setContentType("text/plain;charset=UTF-8");
+				response.setContentType("text/html;charset=UTF-8");
 				response.getWriter().write(rejectTips);
 				return;
 			}

spring-cloud-starter-tencent-polaris-ratelimit/src/test/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilterTest.java

@@ -65,7 +65,7 @@ import static org.mockito.Mockito.when;
 /**
  * Test for {@link QuotaCheckReactiveFilter}.
  *
- * @author Haotian Zhang
+ * @author Haotian Zhang, cheese8
  */
 @RunWith(MockitoJUnitRunner.class)
 @SpringBootTest(classes = QuotaCheckReactiveFilterTest.TestApplication.class, properties = {
@@ -118,7 +118,7 @@ public class QuotaCheckReactiveFilterTest {
 		});
 
 		PolarisRateLimitProperties polarisRateLimitProperties = new PolarisRateLimitProperties();
-		polarisRateLimitProperties.setRejectRequestTips("RejectRequestTips");
+		polarisRateLimitProperties.setRejectRequestTips("RejectRequestTips提示消息");
 		polarisRateLimitProperties.setRejectHttpCode(419);
 
 		RateLimitRuleLabelResolver rateLimitRuleLabelResolver = mock(RateLimitRuleLabelResolver.class);
@@ -138,7 +138,7 @@ public class QuotaCheckReactiveFilterTest {
 		try {
 			Field rejectTips = QuotaCheckReactiveFilter.class.getDeclaredField("rejectTips");
 			rejectTips.setAccessible(true);
-			assertThat(rejectTips.get(quotaCheckReactiveFilter)).isEqualTo("RejectRequestTips");
+			assertThat(rejectTips.get(quotaCheckReactiveFilter)).isEqualTo("RejectRequestTips提示消息");
 		}
 		catch (NoSuchFieldException | IllegalAccessException e) {
 			fail("Exception encountered.", e);

spring-cloud-starter-tencent-polaris-ratelimit/src/test/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilterTest.java

@@ -65,7 +65,7 @@ import static org.mockito.Mockito.when;
 /**
  * Test for {@link QuotaCheckServletFilter}.
  *
- * @author Haotian Zhang
+ * @author Haotian Zhang, cheese8
  */
 @RunWith(MockitoJUnitRunner.class)
 @SpringBootTest(classes = QuotaCheckServletFilterTest.TestApplication.class, properties = {
@@ -76,7 +76,9 @@ public class QuotaCheckServletFilterTest {
 	private PolarisRateLimiterLabelServletResolver labelResolver = exchange -> Collections.singletonMap("ServletResolver", "ServletResolver");
 
 	private QuotaCheckServletFilter quotaCheckServletFilter;
-
+	
+	private QuotaCheckServletFilter quotaCheckWithHtmlRejectTipsServletFilter;
+	
 	private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
 	private static MockedStatic<ExpressionLabelUtils> expressionLabelUtilsMockedStatic;
 	@BeforeClass
@@ -120,11 +122,16 @@ public class QuotaCheckServletFilterTest {
 		PolarisRateLimitProperties polarisRateLimitProperties = new PolarisRateLimitProperties();
 		polarisRateLimitProperties.setRejectRequestTips("RejectRequestTips提示消息");
 		polarisRateLimitProperties.setRejectHttpCode(419);
+		
+		PolarisRateLimitProperties polarisRateLimitWithHtmlRejectTipsProperties = new PolarisRateLimitProperties();
+		polarisRateLimitWithHtmlRejectTipsProperties.setRejectRequestTips("<h1>RejectRequestTips提示消息</h1>");
+		polarisRateLimitWithHtmlRejectTipsProperties.setRejectHttpCode(419);
 
 		RateLimitRuleLabelResolver rateLimitRuleLabelResolver = mock(RateLimitRuleLabelResolver.class);
 		when(rateLimitRuleLabelResolver.getExpressionLabelKeys(anyString(), anyString())).thenReturn(Collections.EMPTY_SET);
 
 		this.quotaCheckServletFilter = new QuotaCheckServletFilter(limitAPI, labelResolver, polarisRateLimitProperties, rateLimitRuleLabelResolver);
+		this.quotaCheckWithHtmlRejectTipsServletFilter = new QuotaCheckServletFilter(limitAPI, labelResolver, polarisRateLimitWithHtmlRejectTipsProperties, rateLimitRuleLabelResolver);
 	}
 
 	@Test
@@ -138,6 +145,15 @@ public class QuotaCheckServletFilterTest {
 		catch (NoSuchFieldException | IllegalAccessException e) {
 			fail("Exception encountered.", e);
 		}
+		quotaCheckWithHtmlRejectTipsServletFilter.init();
+		try {
+			Field rejectTips = QuotaCheckServletFilter.class.getDeclaredField("rejectTips");
+			rejectTips.setAccessible(true);
+			assertThat(rejectTips.get(quotaCheckWithHtmlRejectTipsServletFilter)).isEqualTo("<h1>RejectRequestTips提示消息</h1>");
+		}
+		catch (NoSuchFieldException | IllegalAccessException e) {
+			fail("Exception encountered.", e);
+		}
 	}
 
 	@Test
@@ -202,6 +218,10 @@ public class QuotaCheckServletFilterTest {
 			quotaCheckServletFilter.doFilterInternal(request, response, filterChain);
 			assertThat(response.getStatus()).isEqualTo(419);
 			assertThat(response.getContentAsString()).isEqualTo("RejectRequestTips提示消息");
+			
+			quotaCheckWithHtmlRejectTipsServletFilter.doFilterInternal(request, response, filterChain);
+			assertThat(response.getStatus()).isEqualTo(419);
+			assertThat(response.getContentAsString()).isEqualTo("RejectRequestTips提示消息");
 
 
 			// Exception