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package limiter
import (
"net"
)
// Option is a functional option.
type Option func(*Options)
// Options are limiter options.
type Options struct {
// IPv4Mask defines the mask used to obtain a IPv4 address.
IPv4Mask net.IPMask
// IPv6Mask defines the mask used to obtain a IPv6 address.
IPv6Mask net.IPMask
// TrustForwardHeader enable parsing of X-Real-IP and X-Forwarded-For headers to obtain user IP.
TrustForwardHeader bool
}
// WithIPv4Mask will configure the limiter to use given mask for IPv4 address.
func WithIPv4Mask(mask net.IPMask) Option {
return func(o *Options) {
o.IPv4Mask = mask
}
}
// WithIPv6Mask will configure the limiter to use given mask for IPv6 address.
func WithIPv6Mask(mask net.IPMask) Option {
return func(o *Options) {
o.IPv6Mask = mask
}
}
// WithTrustForwardHeader will configure the limiter to trust X-Real-IP and X-Forwarded-For headers.
func WithTrustForwardHeader(enable bool) Option {
return func(o *Options) {
o.TrustForwardHeader = enable
}
}
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