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Authenticator.go
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/
Authenticator.go
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package implementation
import (
"encoding/json"
"fmt"
)
type authenticator struct{}
type AuthData struct {
AuthMethod string
Password string
}
func getData(data interface{}) (*AuthData, error) {
asJson, err := json.Marshal(data.(map[string]interface{}))
if err != nil {
return nil, err
}
var passData AuthData
if err = json.Unmarshal(asJson, &passData); err != nil {
return nil, err
}
return &passData, nil
}
func NewAuthenticator() *authenticator {
return &authenticator{}
}
func (auth *authenticator) Validate(authData interface{}) error {
data, err := getData(authData)
if err != nil {
return err
}
if data.AuthMethod == "password" {
return validatePasswordData(data)
}
return fmt.Errorf("Unsuported auth method: [%+v]", data.AuthMethod)
}
func (auth *authenticator) Authenticate(authDataRaw, loginDataRaw interface{}) error {
authData, err := getData(authDataRaw)
loginData, err := getData(loginDataRaw)
if err != nil {
return fmt.Errorf("Error building login Data: %+v", err)
}
if authData.AuthMethod == "password" && authData.Password == loginData.Password {
return nil
}
return fmt.Errorf("AuthFailed")
}
func validatePasswordData(passwordData *AuthData) error {
if passwordData.Password == "" {
return fmt.Errorf("No password provided")
}
return nil
}