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Merge pull request #3 from jezzsantos/master
Declarative Limits
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43 changes: 43 additions & 0 deletions
43
src/ServiceStack.RateLimit.Redis/AttributeLimitProvider.cs
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|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
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| namespace ServiceStack.RateLimit.Redis | ||
| { | ||
| using Configuration; | ||
| using Interfaces; | ||
| using Models; | ||
| using Web; | ||
|
|
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| public class AttributeLimitProvider : ILimitProvider | ||
| { | ||
| private readonly IAppSettings appSettings; | ||
|
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| public AttributeLimitProvider(IAppSettings appSettings) | ||
| { | ||
| appSettings.ThrowIfNull(nameof(appSettings)); | ||
|
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| this.appSettings = appSettings; | ||
| } | ||
|
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| public Limits GetLimits(IRequest request) | ||
| { | ||
| var limits = request.Items.GetValueOrDefault(LimitRateAttribute.RequestItemName) as Limits; | ||
| if (limits != null) | ||
| { | ||
| return limits; | ||
| } | ||
|
|
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| return new Limits | ||
| { | ||
| Request = LimitProviderConstants.DefaultLimits, | ||
| User = null | ||
| }; | ||
| } | ||
|
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| public string GetRateLimitScriptId() | ||
| { | ||
| return appSettings.GetString(LimitProviderConstants.ScriptKey); | ||
| } | ||
| } | ||
| } |
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24 changes: 24 additions & 0 deletions
24
src/ServiceStack.RateLimit.Redis/LimitProviderConstants.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| namespace ServiceStack.RateLimit.Redis | ||
| { | ||
| using System.Collections.Generic; | ||
| using Models; | ||
|
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| public class LimitProviderConstants | ||
| { | ||
| public const string ScriptKey = "script:ratelimit"; | ||
| public const int DefaultPerMinute = 10; | ||
| public const int DefaultPerHour = 30; | ||
|
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| public static readonly LimitGroup DefaultLimits=new LimitGroup | ||
| { | ||
| Limits = new List<LimitPerSecond> | ||
| { | ||
| new LimitPerSecond { Seconds = 60, Limit = DefaultPerMinute }, | ||
| new LimitPerSecond { Seconds = 3600, Limit = DefaultPerHour } | ||
| } | ||
| }; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
||
| namespace ServiceStack.RateLimit.Redis | ||
| { | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using Models; | ||
| using Web; | ||
|
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| [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)] | ||
| public class LimitRateAttribute : RequestFilterAttribute | ||
| { | ||
| public const string RequestItemName = "RateLimit.Limits"; | ||
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| public LimitRateAttribute() : this(LimitType.PerRequest, LimitProviderConstants.DefaultPerMinute, | ||
| (int) RatePeriod.PerMinute) | ||
| { | ||
| } | ||
|
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| public LimitRateAttribute(LimitType type) : this(type, LimitProviderConstants.DefaultPerMinute, | ||
| (int) RatePeriod.PerMinute) | ||
| { | ||
| } | ||
|
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| public LimitRateAttribute(int limit, int seconds) : this(LimitType.PerRequest, limit, seconds) | ||
| { | ||
| } | ||
|
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| public LimitRateAttribute(int limit, RatePeriod period = RatePeriod.PerMinute) : this(LimitType.PerRequest, | ||
| limit, (int) period) | ||
| { | ||
| } | ||
|
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| public LimitRateAttribute(LimitType type, int limit, RatePeriod period = RatePeriod.PerMinute) : this(type, | ||
| limit, (int) period) | ||
| { | ||
| } | ||
|
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| public LimitRateAttribute(LimitType type, int limit, int seconds) | ||
| { | ||
| if (limit <= 0) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(limit)); | ||
| } | ||
| if (seconds <= 0) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(seconds)); | ||
| } | ||
|
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| Limit = limit; | ||
| Seconds = seconds; | ||
| Type = type; | ||
| } | ||
|
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| public int Limit { get; } | ||
|
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| public int Seconds { get; } | ||
|
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| public LimitType Type { get; } | ||
|
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| public override void Execute(IRequest req, IResponse res, object requestDto) | ||
| { | ||
| var limits = req.Items.GetValueOrDefault(RequestItemName) as Limits; | ||
| if (limits == null) | ||
| { | ||
| req.Items[RequestItemName] = new Limits | ||
| { | ||
| Request = Type == LimitType.PerRequest | ||
| ? new LimitGroup | ||
| { | ||
| Limits = new List<LimitPerSecond> | ||
| { | ||
| this.ConvertTo<LimitPerSecond>() | ||
| } | ||
| } | ||
| : null, | ||
| User = Type == LimitType.PerUser | ||
| ? new LimitGroup | ||
| { | ||
| Limits = new List<LimitPerSecond> | ||
| { | ||
| this.ConvertTo<LimitPerSecond>() | ||
| } | ||
| } | ||
| : null | ||
| }; | ||
| } | ||
| else | ||
| { | ||
| var group = Type == LimitType.PerRequest ? limits.Request : limits.User; | ||
| var limit = (group ?? new LimitGroup()).Limits.Safe().ToList(); | ||
| limit.Add(this.ConvertTo<LimitPerSecond>()); | ||
| group.Limits = limit; | ||
| } | ||
| } | ||
| } | ||
|
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| public enum RatePeriod | ||
| { | ||
| PerSecond = 1, | ||
| PerMinute = 60, | ||
| PerHour = 3600, | ||
| PerDay = 86400 | ||
| } | ||
|
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| public enum LimitType | ||
| { | ||
| PerUser = 0, | ||
| PerRequest = 1 | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,9 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <packages> | ||
| <package id="ServiceStack" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack.Client" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack.Common" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack.Interfaces" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack.Redis" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack.Text" version="4.0.56" targetFramework="net452" /> | ||
| <package id="ServiceStack" version="4.5.14" targetFramework="net452" /> | ||
| <package id="ServiceStack.Client" version="4.5.14" targetFramework="net452" /> | ||
| <package id="ServiceStack.Common" version="4.5.14" targetFramework="net452" /> | ||
| <package id="ServiceStack.Interfaces" version="4.5.14" targetFramework="net452" /> | ||
| <package id="ServiceStack.Redis" version="4.5.14" targetFramework="net452" /> | ||
| <package id="ServiceStack.Text" version="4.5.14" targetFramework="net452" /> | ||
| </packages> |
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