mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-22 18:17:52 -05:00
71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package internet
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import (
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"v2ray.com/core/common"
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"v2ray.com/core/common/alloc"
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)
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type Authenticator interface {
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Seal(*alloc.Buffer)
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Open(*alloc.Buffer) bool
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Overhead() int
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}
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type AuthenticatorFactory interface {
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Create(interface{}) Authenticator
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}
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var (
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authenticatorCache = make(map[string]AuthenticatorFactory)
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)
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func RegisterAuthenticator(name string, factory AuthenticatorFactory) error {
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if _, found := authenticatorCache[name]; found {
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return common.ErrDuplicatedName
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}
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authenticatorCache[name] = factory
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return nil
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}
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func CreateAuthenticator(name string, config interface{}) (Authenticator, error) {
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factory, found := authenticatorCache[name]
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if !found {
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return nil, common.ErrObjectNotFound
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}
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return factory.Create(config), nil
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}
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type AuthenticatorChain struct {
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authenticators []Authenticator
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}
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func NewAuthenticatorChain(auths ...Authenticator) Authenticator {
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return &AuthenticatorChain{
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authenticators: auths,
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}
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}
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func (this *AuthenticatorChain) Overhead() int {
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total := 0
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for _, auth := range this.authenticators {
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total += auth.Overhead()
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}
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return total
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}
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func (this *AuthenticatorChain) Open(payload *alloc.Buffer) bool {
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for _, auth := range this.authenticators {
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if !auth.Open(payload) {
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return false
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}
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}
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return true
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}
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func (this *AuthenticatorChain) Seal(payload *alloc.Buffer) {
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for i := len(this.authenticators) - 1; i >= 0; i-- {
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auth := this.authenticators[i]
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auth.Seal(payload)
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}
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}
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