mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-27 14:16:39 +00:00
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
|
package limiter
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
)
|
||
|
|
||
|
// -----------------------------------------------------------------
|
||
|
// Context
|
||
|
// -----------------------------------------------------------------
|
||
|
|
||
|
// Context is the limit context.
|
||
|
type Context struct {
|
||
|
Limit int64
|
||
|
Remaining int64
|
||
|
Reset int64
|
||
|
Reached bool
|
||
|
}
|
||
|
|
||
|
// -----------------------------------------------------------------
|
||
|
// Limiter
|
||
|
// -----------------------------------------------------------------
|
||
|
|
||
|
// Limiter is the limiter instance.
|
||
|
type Limiter struct {
|
||
|
Store Store
|
||
|
Rate Rate
|
||
|
Options Options
|
||
|
}
|
||
|
|
||
|
// New returns an instance of Limiter.
|
||
|
func New(store Store, rate Rate, options ...Option) *Limiter {
|
||
|
opt := Options{
|
||
|
IPv4Mask: DefaultIPv4Mask,
|
||
|
IPv6Mask: DefaultIPv6Mask,
|
||
|
TrustForwardHeader: false,
|
||
|
}
|
||
|
for _, o := range options {
|
||
|
o(&opt)
|
||
|
}
|
||
|
return &Limiter{
|
||
|
Store: store,
|
||
|
Rate: rate,
|
||
|
Options: opt,
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Get returns the limit for given identifier.
|
||
|
func (limiter *Limiter) Get(ctx context.Context, key string) (Context, error) {
|
||
|
return limiter.Store.Get(ctx, key, limiter.Rate)
|
||
|
}
|
||
|
|
||
|
// Peek returns the limit for given identifier, without modification on current values.
|
||
|
func (limiter *Limiter) Peek(ctx context.Context, key string) (Context, error) {
|
||
|
return limiter.Store.Peek(ctx, key, limiter.Rate)
|
||
|
}
|
||
|
|
||
|
// Reset sets the limit for given identifier to zero.
|
||
|
func (limiter *Limiter) Reset(ctx context.Context, key string) (Context, error) {
|
||
|
return limiter.Store.Reset(ctx, key, limiter.Rate)
|
||
|
}
|
||
|
|
||
|
// Increment increments the limit by given count & gives back the new limit for given identifier
|
||
|
func (limiter *Limiter) Increment(ctx context.Context, key string, count int64) (Context, error) {
|
||
|
return limiter.Store.Increment(ctx, key, count, limiter.Rate)
|
||
|
}
|