feat: 增加`GLOBAL_API_RATE_LIMIT_ENABLE`与`GLOBAL_WEB_RATE_LIMIT_ENABLE`环境变量，支持是否开启访问速率控制

common/constants.go

@@ -144,9 +144,11 @@ var (
 // All duration's unit is seconds
 // Shouldn't larger then RateLimitKeyExpirationDuration
 var (
+	GlobalApiRateLimitEnable   = GetEnvOrDefaultBool("GLOBAL_API_RATE_LIMIT_ENABLE", true)
 	GlobalApiRateLimitNum      = GetEnvOrDefault("GLOBAL_API_RATE_LIMIT", 180)
 	GlobalApiRateLimitDuration = int64(GetEnvOrDefault("GLOBAL_API_RATE_LIMIT_DURATION", 180))
 
+	GlobalWebRateLimitEnable   = GetEnvOrDefaultBool("GLOBAL_WEB_RATE_LIMIT_ENABLE", true)
 	GlobalWebRateLimitNum      = GetEnvOrDefault("GLOBAL_WEB_RATE_LIMIT", 60)
 	GlobalWebRateLimitDuration = int64(GetEnvOrDefault("GLOBAL_WEB_RATE_LIMIT_DURATION", 180))
 

middleware/rate-limit.go

@@ -13,6 +13,10 @@ var timeFormat = "2006-01-02T15:04:05.000Z"
 
 var inMemoryRateLimiter common.InMemoryRateLimiter
 
+var defNext = func(c *gin.Context) {
+	c.Next()
+}
+
 func redisRateLimiter(c *gin.Context, maxRequestNum int, duration int64, mark string) {
 	ctx := context.Background()
 	rdb := common.RDB
@@ -83,11 +87,17 @@ func rateLimitFactory(maxRequestNum int, duration int64, mark string) func(c *gi
 }
 
 func GlobalWebRateLimit() func(c *gin.Context) {
-	return rateLimitFactory(common.GlobalWebRateLimitNum, common.GlobalWebRateLimitDuration, "GW")
+	if common.GlobalWebRateLimitEnable {
+		return rateLimitFactory(common.GlobalWebRateLimitNum, common.GlobalWebRateLimitDuration, "GW")
+	}
+	return defNext
 }
 
 func GlobalAPIRateLimit() func(c *gin.Context) {
-	return rateLimitFactory(common.GlobalApiRateLimitNum, common.GlobalApiRateLimitDuration, "GA")
+	if common.GlobalApiRateLimitEnable {
+		return rateLimitFactory(common.GlobalApiRateLimitNum, common.GlobalApiRateLimitDuration, "GA")
+	}
+	return defNext
 }
 
 func CriticalRateLimit() func(c *gin.Context) {