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Add @author and license header
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marcosbarbero committed Sep 22, 2017
1 parent d4c8875 commit 2624c97
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Showing 10 changed files with 65 additions and 18 deletions.
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package com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit;

import static com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.properties.RateLimitProperties.PREFIX;

import com.ecwid.consul.v1.ConsulClient;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.DefaultRateLimitKeyGenerator;
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import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.filters.RateLimitPostFilter;
import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.filters.RateLimitPreFilter;
import com.netflix.zuul.ZuulFilter;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.util.UrlPathHelper;

import static com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.properties.RateLimitProperties.PREFIX;

/**
* @author Marcos Barbero
*/
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@Bean
public ZuulFilter rateLimiterPreFilter(final RateLimiter rateLimiter,
final RateLimitProperties rateLimitProperties,
final RouteLocator routeLocator,
final RateLimitKeyGenerator rateLimitKeyGenerator) {
return new RateLimitPreFilter(rateLimitProperties, routeLocator, urlPathHelper, rateLimiter, rateLimitKeyGenerator);
final RateLimitProperties rateLimitProperties,
final RouteLocator routeLocator,
final RateLimitKeyGenerator rateLimitKeyGenerator) {
return new RateLimitPreFilter(rateLimitProperties, routeLocator, urlPathHelper, rateLimiter,
rateLimitKeyGenerator);
}

@Bean
public ZuulFilter rateLimiterPostFilter(final RateLimiter rateLimiter,
final RateLimitProperties rateLimitProperties,
final RouteLocator routeLocator,
final RateLimitKeyGenerator rateLimitKeyGenerator) {
return new RateLimitPostFilter(rateLimitProperties, routeLocator, urlPathHelper, rateLimiter, rateLimitKeyGenerator);
final RateLimitProperties rateLimitProperties,
final RouteLocator routeLocator,
final RateLimitKeyGenerator rateLimitKeyGenerator) {
return new RateLimitPostFilter(rateLimitProperties, routeLocator, urlPathHelper, rateLimiter,
rateLimitKeyGenerator);
}

@Bean
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* reset - Epoch when the rate is replenished by limit. Maps to X-RateLimit-Reset header
*
* @author Marcos Barbero
* @author Liel Chayoun
*/
@Data
@Entity
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/**
* @author Marcos Barbero
* @author Liel Chayoun
*/
public interface RateLimiter {

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/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.repository;

import static java.util.concurrent.TimeUnit.SECONDS;
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* In memory rate limiter configuration for dev environment.
*
* @author Marcos Barbero
* @author Liel Chayoun
* @since 2017-06-23
*/
public class InMemoryRateLimiter extends AbstractRateLimiter {
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/**
* @author Marcos Barbero
* @author Liel Chayoun
*/
@RequiredArgsConstructor
@SuppressWarnings("unchecked")
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* In memory rate limiter configuration for dev environment.
*
* @author Marcos Barbero
* @author Liel Chayoun
* @since 2017-06-23
*/
@RequiredArgsConstructor
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/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.repository.springdata;

import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.Rate;

import org.springframework.data.repository.CrudRepository;

/**
* @author Liel Chayoun
*/
public interface RateLimiterRepository extends CrudRepository<Rate, String> {

}
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package com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.filters;

import static org.springframework.web.context.request.RequestAttributes.SCOPE_REQUEST;

import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.RateLimitKeyGenerator;
import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.RateLimiter;
import com.marcosbarbero.cloud.autoconfigure.zuul.ratelimit.config.properties.RateLimitProperties;
import com.netflix.zuul.context.RequestContext;
import javax.servlet.http.HttpServletRequest;

import org.springframework.cloud.netflix.zuul.filters.Route;
import org.springframework.cloud.netflix.zuul.filters.RouteLocator;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.util.UrlPathHelper;

import javax.servlet.http.HttpServletRequest;

import static org.springframework.web.context.request.RequestAttributes.SCOPE_REQUEST;

/**
* @author Marcos Barbero
* @author Liel Chayoun
Expand All @@ -40,11 +42,11 @@ public class RateLimitPostFilter extends AbstractRateLimitFilter {
private final RateLimitKeyGenerator rateLimitKeyGenerator;

public RateLimitPostFilter(
RateLimitProperties properties,
RouteLocator routeLocator,
UrlPathHelper urlPathHelper,
RateLimiter rateLimiter,
RateLimitKeyGenerator rateLimitKeyGenerator) {
RateLimitProperties properties,
RouteLocator routeLocator,
UrlPathHelper urlPathHelper,
RateLimiter rateLimiter,
RateLimitKeyGenerator rateLimitKeyGenerator) {
super(properties, routeLocator, urlPathHelper);
this.rateLimiter = rateLimiter;
this.rateLimitKeyGenerator = rateLimitKeyGenerator;
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return (Long) requestAttributes.getAttribute(RateLimitPreFilter.REQUEST_START_TIME, SCOPE_REQUEST);
}

@Override
public Object run() {
final RequestContext ctx = RequestContext.getCurrentContext();
final HttpServletRequest request = ctx.getRequest();
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/**
* @author Marcos Barbero
* @author Michal Šváb
* @author Liel Chayoun
*/
public class RateLimitPreFilter extends AbstractRateLimitFilter {

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