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28 changes: 28 additions & 0 deletions
28
...src/main/java/org/apache/fineract/infrastructure/security/ratelimit/EnforceRateLimit.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.fineract.infrastructure.security.ratelimit; | ||
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|
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| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.RetentionPolicy; | ||
| import java.lang.annotation.Target; | ||
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| @Target({ ElementType.METHOD, ElementType.TYPE }) | ||
| @Retention(RetentionPolicy.RUNTIME) | ||
| public @interface EnforceRateLimit {} |
55 changes: 55 additions & 0 deletions
55
.../java/org/apache/fineract/infrastructure/security/ratelimit/InMemoryRateLimitService.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.fineract.infrastructure.security.ratelimit; | ||
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| import com.github.benmanes.caffeine.cache.Cache; | ||
| import com.github.benmanes.caffeine.cache.Caffeine; | ||
| import jakarta.annotation.PostConstruct; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.TimeUnit; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.stereotype.Component; | ||
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| @Component | ||
| public class InMemoryRateLimitService implements RateLimitService { | ||
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| @Value("${fineract.security.ratelimit.max-attempts-per-host-per-minute}") | ||
| private int maxAttemptsPerHostPerMinute; | ||
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| private Cache<String, Integer> cache; | ||
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| @PostConstruct | ||
| public void setup() { | ||
| cache = Caffeine.newBuilder().expireAfterWrite(1, TimeUnit.MINUTES).maximumSize(100_000).build(); | ||
| } | ||
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| @Override | ||
| public boolean isRateLimited(String remoteAddress) { | ||
| Integer existingAttempts = cache.getIfPresent(remoteAddress); | ||
| int currentAttempt = 1 + Optional.ofNullable(existingAttempts).orElse(0); | ||
| cache.put(remoteAddress, currentAttempt); | ||
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| return currentAttempt > maxAttemptsPerHostPerMinute; | ||
| } | ||
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| @Override | ||
| public void resetRateLimit(String remoteAddress) { | ||
| cache.invalidate(remoteAddress); | ||
| } | ||
| } |
58 changes: 58 additions & 0 deletions
58
.../src/main/java/org/apache/fineract/infrastructure/security/ratelimit/RateLimitAspect.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.fineract.infrastructure.security.ratelimit; | ||
|
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| import jakarta.servlet.http.HttpServletRequest; | ||
| import jakarta.ws.rs.core.Response; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.aspectj.lang.ProceedingJoinPoint; | ||
| import org.aspectj.lang.annotation.Around; | ||
| import org.aspectj.lang.annotation.Aspect; | ||
| import org.aspectj.lang.annotation.Pointcut; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.springframework.stereotype.Component; | ||
| import org.springframework.web.context.request.RequestContextHolder; | ||
| import org.springframework.web.context.request.ServletRequestAttributes; | ||
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| @Aspect | ||
| @Component | ||
| @RequiredArgsConstructor | ||
| public class RateLimitAspect { | ||
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| private final RateLimitService rateLimitService; | ||
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| @Pointcut("@annotation(EnforceRateLimit) || @within(EnforceRateLimit)") | ||
| public void pointcut() {} | ||
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| @Around("pointcut()") | ||
| public Object aroundRestCall(ProceedingJoinPoint joinPoint) throws Throwable { | ||
| String remoteAddress = getRequest().getRemoteAddr(); | ||
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| if (rateLimitService.isRateLimited(remoteAddress)) { | ||
| return Response.status(429).entity("Too many requests - try again later.").build(); | ||
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| } else { | ||
| return joinPoint.proceed(); | ||
| } | ||
| } | ||
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| HttpServletRequest getRequest() { | ||
| return ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest(); | ||
| } | ||
| } |
27 changes: 27 additions & 0 deletions
27
...src/main/java/org/apache/fineract/infrastructure/security/ratelimit/RateLimitService.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.fineract.infrastructure.security.ratelimit; | ||
|
|
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| public interface RateLimitService { | ||
|
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| boolean isRateLimited(String remoteAddress); | ||
|
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| void resetRateLimit(String remoteAddress); | ||
|
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| } |
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