29 lines
748 B
Go
29 lines
748 B
Go
package auth
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// Authenticator is an interface for user authentication.
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type Authenticator interface {
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Authenticate(user, password string) bool
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}
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// authenticator is an Authenticator that authenticates client by key-value pairs.
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type authenticator struct {
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kvs map[string]string
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}
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// NewAuthenticator creates an Authenticator that authenticates client by pre-defined user mapping.
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func NewAuthenticator(kvs map[string]string) Authenticator {
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return &authenticator{
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kvs: kvs,
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}
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}
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// Authenticate checks the validity of the provided user-password pair.
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func (au *authenticator) Authenticate(user, password string) bool {
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if au == nil || len(au.kvs) == 0 {
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return true
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}
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v, ok := au.kvs[user]
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return ok && (v == "" || password == v)
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}
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