SkyeBeFreeman
3 years ago
commit
b16115e3ff
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.polaris.ratelimit.config;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.http.HttpStatus;
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/**
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* The properties for rate limit.
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*
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* @author lepdou 2022-04-20
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*/
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@ConfigurationProperties("spring.cloud.polaris.ratelimit")
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public class PolarisRateLimitProperties {
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/**
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* custom tips when reject request.
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*/
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private String rejectRequestTips;
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/**
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* context file path.
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*/
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private String rejectRequestTipsFilePath;
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/**
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* custom http code when reject request.
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*/
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private int rejectHttpCode = HttpStatus.TOO_MANY_REQUESTS.value();
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public String getRejectRequestTips() {
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return rejectRequestTips;
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}
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public void setRejectRequestTips(String rejectRequestTips) {
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this.rejectRequestTips = rejectRequestTips;
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}
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public String getRejectRequestTipsFilePath() {
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return rejectRequestTipsFilePath;
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}
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public void setRejectRequestTipsFilePath(String rejectRequestTipsFilePath) {
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this.rejectRequestTipsFilePath = rejectRequestTipsFilePath;
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}
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public int getRejectHttpCode() {
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return rejectHttpCode;
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}
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public void setRejectHttpCode(int rejectHttpCode) {
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this.rejectHttpCode = rejectHttpCode;
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}
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}
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@ -0,0 +1,70 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.polaris.ratelimit.utils;
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import com.tencent.cloud.common.util.ResourceFileUtils;
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import com.tencent.cloud.polaris.ratelimit.config.PolarisRateLimitProperties;
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import com.tencent.cloud.polaris.ratelimit.constant.RateLimitConstant;
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import com.tencent.cloud.polaris.ratelimit.filter.QuotaCheckServletFilter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.util.StringUtils;
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/**
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* Rate limit utils.
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*
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* @author lepdou 2022-04-20
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*/
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public final class RateLimitUtils {
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private static final Logger LOG = LoggerFactory
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.getLogger(QuotaCheckServletFilter.class);
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private RateLimitUtils() {
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}
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public static String getRejectTips(
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PolarisRateLimitProperties polarisRateLimitProperties) {
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String tips = polarisRateLimitProperties.getRejectRequestTips();
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if (!StringUtils.isEmpty(tips)) {
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return tips;
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}
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String rejectFilePath = polarisRateLimitProperties.getRejectRequestTipsFilePath();
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if (!StringUtils.isEmpty(rejectFilePath)) {
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try {
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tips = ResourceFileUtils.readFile(rejectFilePath);
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}
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catch (Exception e) {
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LOG.error("[RateLimit] Read custom reject tips file error. path = {}",
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rejectFilePath, e);
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}
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}
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if (!StringUtils.isEmpty(tips)) {
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return tips;
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}
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return RateLimitConstant.QUOTA_LIMITED_INFO;
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}
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}
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@ -0,0 +1,54 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.common.util;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import org.springframework.core.io.ClassPathResource;
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/**
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* Read file content from classpath resource.
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*
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* @author lepdou 2022-04-20
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*/
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public final class ResourceFileUtils {
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private ResourceFileUtils() {
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}
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public static String readFile(String path) throws IOException {
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StringBuilder sb = new StringBuilder();
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ClassPathResource classPathResource = new ClassPathResource(path);
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if (classPathResource.exists() && classPathResource.isReadable()) {
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try (InputStream inputStream = classPathResource.getInputStream()) {
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byte[] buffer = new byte[1024 * 10];
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int len;
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while ((len = inputStream.read(buffer)) != -1) {
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sb.append(new String(buffer, 0, len, StandardCharsets.UTF_8));
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}
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}
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}
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return sb.toString();
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}
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}
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@ -0,0 +1,5 @@
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<h1>
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<span color="red">
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Custom reject content.
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</span>
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</h1>
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Reference in new issue