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feat: update limiter & style check (#2)
* feat: 更新限流器 * update: style check
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| Original file line number | Diff line number | Diff line change |
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@@ -41,7 +41,7 @@ signs: | |
| "--output", | ||
| "${signature}", | ||
| "--detach-sign", | ||
| "${artifact}", | ||
| "${artifact}" | ||
| ] | ||
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| snapshot: | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| singleQuote: false | ||
| semi: false | ||
| printWidth: 100 | ||
| trailingComma: none | ||
| endOfLine: crlf |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,45 +1,26 @@ | ||
| package cache | ||
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| import ( | ||
| "fmt" | ||
| "time" | ||
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| "github.com/TensoRaws/NuxBT-Backend/module/cache" | ||
| "github.com/TensoRaws/NuxBT-Backend/module/log" | ||
| "github.com/TensoRaws/NuxBT-Backend/module/util" | ||
| "github.com/gin-gonic/gin" | ||
| "github.com/redis/go-redis/v9" | ||
| "github.com/ulule/limiter/v3" | ||
| mgin "github.com/ulule/limiter/v3/drivers/middleware/gin" | ||
| redisLimiter "github.com/ulule/limiter/v3/drivers/store/redis" | ||
| ) | ||
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| func NewRateLimiter(redisClient *cache.Client, key string, limit int, slidingWindow time.Duration) gin.HandlerFunc { | ||
| _, err := redisClient.Ping().Result() | ||
| func NewRateLimiter(redisClient *cache.Client, limit int, slidingWindow time.Duration) gin.HandlerFunc { | ||
| rate := limiter.Rate{ | ||
| Period: slidingWindow, | ||
| Limit: int64(limit), | ||
| } | ||
| store, err := redisLimiter.NewStore(redisClient.C) | ||
| if err != nil { | ||
| panic(fmt.Sprint("error init redis", err.Error())) | ||
| log.Logger.Error(err) | ||
| } | ||
| l := limiter.New(store, rate, limiter.WithClientIPHeader("True-Client-IP")) | ||
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| return func(c *gin.Context) { | ||
| now := time.Now().UnixNano() | ||
| log.Logger.Infof("-------------------> path: %v", c.Request.URL.Path) | ||
| userCntKey := fmt.Sprint(c.ClientIP(), ":", key, ":", c.Request.URL.Path) | ||
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| _, err := redisClient.ZRemRangeByScore(userCntKey, | ||
| "0", | ||
| fmt.Sprint(now-(slidingWindow.Nanoseconds()))).Result() | ||
| if err != nil { | ||
| log.Logger.Error(err) | ||
| return | ||
| } | ||
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| reqs, _ := redisClient.ZRange(userCntKey, 0, -1).Result() | ||
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| if len(reqs) >= limit { | ||
| util.AbortWithMsg(c, "Too many request...") | ||
| log.Logger.Warnf("------------------> too many request, key: %v", userCntKey) | ||
| return | ||
| } | ||
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| c.Next() | ||
| redisClient.ZAddNX(userCntKey, redis.Z{Score: float64(now), Member: float64(now)}) | ||
| redisClient.Expire(userCntKey, slidingWindow) | ||
| } | ||
| return mgin.NewMiddleware(l) | ||
| } |
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