-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
17797ae
commit 415214c
Showing
8 changed files
with
364 additions
and
19 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
22 changes: 22 additions & 0 deletions
22
piikii-common/src/main/kotlin/com/piikii/common/exception/ServiceException.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package com.piikii.common.exception | ||
|
|
||
| class ServiceException : RuntimeException { | ||
| var statusCode: Int | ||
| var defaultMessage: String | ||
| var detailMessage: String? = null | ||
|
|
||
| constructor( | ||
| exceptionCode: ExceptionCode, | ||
| detailMessage: String, | ||
| ) : super("[$exceptionCode] $detailMessage") { | ||
| this.statusCode = exceptionCode.statusCode | ||
| this.defaultMessage = exceptionCode.defaultMessage | ||
| this.detailMessage = detailMessage | ||
| } | ||
|
|
||
| constructor(exceptionCode: ExceptionCode) : | ||
| super("[$exceptionCode] ${exceptionCode.defaultMessage}") { | ||
| this.statusCode = exceptionCode.statusCode | ||
| this.defaultMessage = exceptionCode.defaultMessage | ||
| } | ||
| } |
88 changes: 88 additions & 0 deletions
88
piikii-input-http/src/main/kotlin/com/piikii/input/http/aspect/LimitConcurrentRequest.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package com.piikii.input.http.aspect | ||
|
|
||
| import com.piikii.common.exception.ExceptionCode | ||
| import com.piikii.common.exception.ServiceException | ||
| import com.piikii.output.redis.RedisLockRepository | ||
| import org.aspectj.lang.ProceedingJoinPoint | ||
| import org.aspectj.lang.annotation.Around | ||
| import org.aspectj.lang.annotation.Aspect | ||
| import org.aspectj.lang.reflect.MethodSignature | ||
| import org.springframework.context.expression.MethodBasedEvaluationContext | ||
| import org.springframework.core.DefaultParameterNameDiscoverer | ||
| import org.springframework.expression.spel.standard.SpelExpressionParser | ||
| import org.springframework.stereotype.Component | ||
| import java.time.Duration | ||
| import java.time.Instant | ||
| import java.time.temporal.ChronoUnit | ||
|
|
||
| @Target(AnnotationTarget.FUNCTION) | ||
| @Retention(AnnotationRetention.RUNTIME) | ||
| annotation class LimitConcurrentRequest( | ||
| val key: String, | ||
| val maxRequestCount: Long = 1, | ||
| val timeUnit: ChronoUnit = ChronoUnit.SECONDS, | ||
| val amount: Long = 5, | ||
| ) | ||
|
|
||
| @Aspect | ||
| @Component | ||
| class LimitConcurrentRequestAspect( | ||
| private val redisLockRepository: RedisLockRepository, | ||
| ) { | ||
| private val parser = SpelExpressionParser() | ||
| private val parameterNameDiscoverer = DefaultParameterNameDiscoverer() | ||
|
|
||
| @Around("@annotation(RateLimiter)") | ||
| fun limitConcurrentRequest(joinPoint: ProceedingJoinPoint): Any? { | ||
| val signature = joinPoint.signature as MethodSignature | ||
| val method = signature.method | ||
| val annotation = method.getAnnotation(LimitConcurrentRequest::class.java) | ||
|
|
||
| val key = "req_concurrent_limit:${method.name}" | ||
| val epochSecond = Instant.now().epochSecond.toDouble() | ||
|
|
||
| val member = generateMember( | ||
| memberSuffix = epochSecond.toString(), | ||
| joinPoint = joinPoint, | ||
| signature = signature, | ||
| annotation = annotation | ||
| ) | ||
|
|
||
| val ttl = Duration.of(annotation.amount, annotation.timeUnit) | ||
| redisLockRepository.removeOutOfWindow(key, epochSecond, ttl) | ||
| if (redisLockRepository.getCountRequestsInWindow(key) >= annotation.maxRequestCount) { | ||
| throw ServiceException(ExceptionCode.REQUEST_LIMIT_EXCEEDED_IN_TIME_WINDOW) | ||
| } | ||
|
|
||
| redisLockRepository.increaseRequestsInWindow(key, member, epochSecond, ttl) | ||
| return joinPoint.proceed() | ||
| } | ||
|
|
||
| /** | ||
| * 요청 인식용 Member parsing | ||
| * - using SpEL parsed value | ||
| */ | ||
| private fun generateMember( | ||
| memberSuffix: String, | ||
| joinPoint: ProceedingJoinPoint, | ||
| signature: MethodSignature, | ||
| annotation: LimitConcurrentRequest, | ||
| ): String { | ||
| val method = signature.method | ||
| val expression = parser.parseExpression(annotation.key) | ||
| val context = | ||
| MethodBasedEvaluationContext( | ||
| joinPoint.target, | ||
| method, | ||
| joinPoint.args, | ||
| parameterNameDiscoverer, | ||
| ) | ||
| val member = expression.getValue(context, String::class.java) | ||
| ?: throw ServiceException( | ||
| ExceptionCode.NOT_FOUNDED, | ||
| "LimitConcurrentRequest member 추출에 실패했습니다 (method: ${method.name}, annotation key: ${annotation.key})", | ||
| ) | ||
| return "$member:$memberSuffix" | ||
| } | ||
|
|
||
| } |
96 changes: 96 additions & 0 deletions
96
...http/src/main/kotlin/com/piikii/input/http/aspect/PreventDuplicateAspectWithConcurrent.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package com.piikii.input.http.aspect | ||
|
|
||
| import com.piikii.common.exception.ExceptionCode | ||
| import com.piikii.common.exception.ServiceException | ||
| import org.aspectj.lang.ProceedingJoinPoint | ||
| import org.aspectj.lang.annotation.Around | ||
| import org.aspectj.lang.annotation.Aspect | ||
| import org.aspectj.lang.reflect.MethodSignature | ||
| import org.springframework.context.expression.MethodBasedEvaluationContext | ||
| import org.springframework.core.DefaultParameterNameDiscoverer | ||
| import org.springframework.expression.spel.standard.SpelExpressionParser | ||
| import org.springframework.stereotype.Component | ||
| import java.time.temporal.ChronoUnit | ||
| import java.util.concurrent.ConcurrentHashMap | ||
| import java.util.concurrent.Executors | ||
| import java.util.concurrent.TimeUnit | ||
| import java.util.concurrent.TimeoutException | ||
|
|
||
| /** | ||
| * 중복요청 방지 제어 Annotation | ||
| * | ||
| * @property key key to determine duplicate requests (support SpEL) | ||
| * @property timeUnit time unit of timeout | ||
| * @property amount time amount of timeout | ||
| */ | ||
| @Target(AnnotationTarget.FUNCTION) | ||
| @Retention(AnnotationRetention.RUNTIME) | ||
| annotation class PreventDuplicateAspectWithConcurrent( | ||
| val key: String, | ||
| val timeUnit: ChronoUnit = ChronoUnit.SECONDS, | ||
| val amount: Long = 5, | ||
| ) | ||
|
|
||
| @Aspect | ||
| @Component | ||
| class PreventDuplicateAspectWithConcurrentAspect { | ||
| private val processingRequests = ConcurrentHashMap.newKeySet<String>() | ||
| private val parser = SpelExpressionParser() | ||
| private val parameterNameDiscoverer = DefaultParameterNameDiscoverer() | ||
| private val executor = Executors.newVirtualThreadPerTaskExecutor() | ||
|
|
||
| @Around("@annotation(PreventDuplicateRequest)") | ||
| fun preventDuplicateRequest(joinPoint: ProceedingJoinPoint): Any? { | ||
| val signature = joinPoint.signature as MethodSignature | ||
| val method = signature.method | ||
| val annotation = method.getAnnotation(PreventDuplicateRequest::class.java) | ||
| val key = generateKey(joinPoint, signature, annotation) | ||
|
|
||
| if (!processingRequests.add(key)) { | ||
| // if exists, throw Duplicated Request Exception | ||
| throw ServiceException(ExceptionCode.DUPLICATED_REQUEST) | ||
| } | ||
|
|
||
| val future = executor.submit<Any> { joinPoint.proceed() } | ||
| try { | ||
| return future.get(annotation.amount, TimeUnit.of(annotation.timeUnit)) | ||
| } catch (e: TimeoutException) { | ||
| future.cancel(true) | ||
| throw ServiceException(ExceptionCode.REQUEST_TIMEOUT) | ||
| } finally { | ||
| processingRequests.remove(key) | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * 중복 요청으로 판단할 key 생성 | ||
| * - method name + SpEL parsed value | ||
| * | ||
| * @param joinPoint | ||
| * @param signature | ||
| * @param annotation | ||
| * @return Key to determine duplicate requests | ||
| */ | ||
| private fun generateKey( | ||
| joinPoint: ProceedingJoinPoint, | ||
| signature: MethodSignature, | ||
| annotation: PreventDuplicateRequest, | ||
| ): String { | ||
| val method = signature.method | ||
| val expression = parser.parseExpression(annotation.key) | ||
| val context = | ||
| MethodBasedEvaluationContext( | ||
| joinPoint.target, | ||
| method, | ||
| joinPoint.args, | ||
| parameterNameDiscoverer, | ||
| ) | ||
| val parsedValue = | ||
| expression.getValue(context, String::class.java) | ||
| ?: throw ServiceException( | ||
| ExceptionCode.NOT_FOUNDED, | ||
| "중복요청 계산에 사용될 key가 없습니다 (method: ${method.name}, annotation key: ${annotation.key})", | ||
| ) | ||
| return "${method.name}:$parsedValue" | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
88 changes: 88 additions & 0 deletions
88
piikii-input-http/src/main/kotlin/com/piikii/input/http/aspect/RateLimiter.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package com.piikii.input.http.aspect | ||
|
|
||
| import com.piikii.common.exception.ExceptionCode | ||
| import com.piikii.common.exception.ServiceException | ||
| import com.piikii.output.redis.RedisLockRepository | ||
| import org.aspectj.lang.ProceedingJoinPoint | ||
| import org.aspectj.lang.annotation.Around | ||
| import org.aspectj.lang.annotation.Aspect | ||
| import org.aspectj.lang.reflect.MethodSignature | ||
| import org.springframework.context.expression.MethodBasedEvaluationContext | ||
| import org.springframework.core.DefaultParameterNameDiscoverer | ||
| import org.springframework.expression.spel.standard.SpelExpressionParser | ||
| import org.springframework.stereotype.Component | ||
| import java.time.Duration | ||
| import java.time.Instant | ||
| import java.time.temporal.ChronoUnit | ||
|
|
||
| @Target(AnnotationTarget.FUNCTION) | ||
| @Retention(AnnotationRetention.RUNTIME) | ||
| annotation class RateLimiter( | ||
| val key: String, | ||
| val maxRequestCount: Long = 1, | ||
| val timeUnit: ChronoUnit = ChronoUnit.SECONDS, | ||
| val amount: Long = 5, | ||
| ) | ||
|
|
||
| @Aspect | ||
| @Component | ||
| class RateLimiterAspect( | ||
| private val redisLockRepository: RedisLockRepository, | ||
| ) { | ||
| private val parser = SpelExpressionParser() | ||
| private val parameterNameDiscoverer = DefaultParameterNameDiscoverer() | ||
|
|
||
| @Around("@annotation(RateLimiter)") | ||
| fun rateLimiter(joinPoint: ProceedingJoinPoint): Any? { | ||
| val signature = joinPoint.signature as MethodSignature | ||
| val method = signature.method | ||
| val annotation = method.getAnnotation(RateLimiter::class.java) | ||
|
|
||
| val key = "rate_limit:${method.name}" | ||
| val epochSecond = Instant.now().epochSecond.toDouble() | ||
|
|
||
| val member = generateMember( | ||
| memberSuffix = epochSecond.toString(), | ||
| joinPoint = joinPoint, | ||
| signature = signature, | ||
| annotation = annotation | ||
| ) | ||
|
|
||
| val ttl = Duration.of(annotation.amount, annotation.timeUnit) | ||
| redisLockRepository.removeOutOfWindow(key, epochSecond, ttl) | ||
| if (redisLockRepository.getCountRequestsInWindow(key) >= annotation.maxRequestCount) { | ||
| throw ServiceException(ExceptionCode.REQUEST_LIMIT_EXCEEDED_IN_TIME_WINDOW) | ||
| } | ||
|
|
||
| redisLockRepository.increaseRequestsInWindow(key, member, epochSecond, ttl) | ||
| return joinPoint.proceed() | ||
| } | ||
|
|
||
| /** | ||
| * 요청 인식용 Member parsing | ||
| * - using SpEL parsed value | ||
| */ | ||
| private fun generateMember( | ||
| memberSuffix: String, | ||
| joinPoint: ProceedingJoinPoint, | ||
| signature: MethodSignature, | ||
| annotation: RateLimiter, | ||
| ): String { | ||
| val method = signature.method | ||
| val expression = parser.parseExpression(annotation.key) | ||
| val context = | ||
| MethodBasedEvaluationContext( | ||
| joinPoint.target, | ||
| method, | ||
| joinPoint.args, | ||
| parameterNameDiscoverer, | ||
| ) | ||
| val member = expression.getValue(context, String::class.java) | ||
| ?: throw ServiceException( | ||
| ExceptionCode.NOT_FOUNDED, | ||
| "RateLimit member 추출에 실패했습니다 (method: ${method.name}, annotation key: ${annotation.key})", | ||
| ) | ||
| return "$member:$memberSuffix" | ||
| } | ||
|
|
||
| } |
Oops, something went wrong.