gin-blog/pkg/limiter/method_limiter.go

43 lines
870 B
Go
Raw Normal View History

package limiter
import (
"github.com/gin-gonic/gin"
"github.com/juju/ratelimit"
"strings"
)
type MethodLimiter struct {
*Limiter
}
func NewMethodLimiter() LimiterIface {
return MethodLimiter{
Limiter: &Limiter{limiterBuckets: make(map[string]*ratelimit.Bucket)},
}
}
func (l MethodLimiter) Key(c *gin.Context) string {
uri := c.Request.RequestURI
index := strings.Index(uri, "?")
if index == -1 {
return uri
}
return uri[:index]
}
func (l MethodLimiter) GetBucket(key string) (*ratelimit.Bucket, bool) {
bucket, ok := l.limiterBuckets[key]
return bucket, ok
}
func (l MethodLimiter) AddBuckets(rules ...LimiterBucketRule) LimiterIface {
for _, rule := range rules {
if _, ok := l.limiterBuckets[rule.Key]; !ok {
l.limiterBuckets[rule.Key] = ratelimit.NewBucketWithQuantum(rule.FillInterval, rule.Capacity, rule.Quantum)
}
}
return l
}