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https://github.com/superseriousbusiness/gotosocial.git
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bee8458a2d* feat: add rate limit middleware * chore: update vendor dir * chore: update readme with new dependency * chore: add rate limit infos to swagger.md file * refactor: add ipv6 mask limiter option Add IPv6 CIDR /64 mask * refactor: increase rate limit to 1000 Address https://github.com/superseriousbusiness/gotosocial/pull/741#discussion_r945584800 Co-authored-by: tobi <31960611+tsmethurst@users.noreply.github.com>
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
package limiter
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import (
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"context"
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)
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// -----------------------------------------------------------------
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// Context
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// -----------------------------------------------------------------
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// Context is the limit context.
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type Context struct {
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Limit int64
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Remaining int64
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Reset int64
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Reached bool
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}
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// -----------------------------------------------------------------
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// Limiter
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// -----------------------------------------------------------------
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// Limiter is the limiter instance.
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type Limiter struct {
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Store Store
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Rate Rate
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Options Options
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}
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// New returns an instance of Limiter.
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func New(store Store, rate Rate, options ...Option) *Limiter {
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opt := Options{
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IPv4Mask: DefaultIPv4Mask,
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IPv6Mask: DefaultIPv6Mask,
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TrustForwardHeader: false,
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}
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for _, o := range options {
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o(&opt)
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}
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return &Limiter{
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Store: store,
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Rate: rate,
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Options: opt,
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}
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}
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// Get returns the limit for given identifier.
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func (limiter *Limiter) Get(ctx context.Context, key string) (Context, error) {
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return limiter.Store.Get(ctx, key, limiter.Rate)
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}
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// Peek returns the limit for given identifier, without modification on current values.
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func (limiter *Limiter) Peek(ctx context.Context, key string) (Context, error) {
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return limiter.Store.Peek(ctx, key, limiter.Rate)
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}
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// Reset sets the limit for given identifier to zero.
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func (limiter *Limiter) Reset(ctx context.Context, key string) (Context, error) {
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return limiter.Store.Reset(ctx, key, limiter.Rate)
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}
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// Increment increments the limit by given count & gives back the new limit for given identifier
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func (limiter *Limiter) Increment(ctx context.Context, key string, count int64) (Context, error) {
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return limiter.Store.Increment(ctx, key, count, limiter.Rate)
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}
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