51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package services
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import (
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"fmt"
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"time"
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"github.com/pquerna/otp"
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"github.com/pquerna/otp/totp"
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"golang.org/x/crypto/bcrypt"
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)
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type AuthService struct {
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issuer string
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}
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func NewAuthService(issuer string) *AuthService {
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return &AuthService{issuer: issuer}
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}
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func (a *AuthService) HashPassword(password string) (string, error) {
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hashed, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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return "", err
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}
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return string(hashed), nil
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}
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func (a *AuthService) ComparePassword(hash, password string) error {
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return bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
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}
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func (a *AuthService) NewOTP(email string) (*otp.Key, error) {
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return totp.Generate(totp.GenerateOpts{
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Issuer: a.issuer,
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AccountName: email,
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})
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}
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func (a *AuthService) VerifyOTP(secret, code string) bool {
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return totp.Validate(code, secret)
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}
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func (a *AuthService) BuildOTPURI(email, secret string) string {
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return fmt.Sprintf("otpauth://totp/%s:%s?secret=%s&issuer=%s", a.issuer, email, secret, a.issuer)
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}
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func (a *AuthService) OTPCode(secret string, at time.Time) (string, error) {
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return totp.GenerateCode(secret, at)
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}
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