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package service
import (
"context"
"golang.org/x/crypto/bcrypt"
"git.sr.ht/~gabrielgio/img/pkg/database/repository"
"git.sr.ht/~gabrielgio/img/pkg/ext"
)
type AuthController struct {
authRepository repository.AuthRepository
userRepository repository.UserRepository
key []byte
}
func NewAuthController(
authRepository repository.AuthRepository,
userRepository repository.UserRepository,
key []byte,
) *AuthController {
return &AuthController{
authRepository: authRepository,
userRepository: userRepository,
key: key,
}
}
func (c *AuthController) Login(ctx context.Context, username, password []byte) ([]byte, error) {
id, err := c.authRepository.GetIDByUsername(ctx, string(username))
if err != nil {
return nil, err
}
hashedPassword, err := c.authRepository.GetPassword(ctx, id)
if err != nil {
return nil, err
}
if err := bcrypt.CompareHashAndPassword(hashedPassword, password); err != nil {
return nil, err
}
token := &ext.Token{
UserID: id,
Username: string(username),
}
return ext.WriteToken(token, c.key)
}
// InitialRegister register a initial user, it will validate if there is another
// user stored already. If so an error `InvlidaInput` will be returned
func (c *AuthController) InitialRegister(ctx context.Context, username, password []byte, path []byte) error {
exist, err := c.userRepository.Any(ctx)
if err != nil {
return err
}
if exist {
return InvlidInput
}
hash, err := bcrypt.GenerateFromPassword(password, bcrypt.MinCost)
if err != nil {
return err
}
_, err = c.userRepository.Create(ctx, &repository.CreateUser{
Username: string(username),
Password: hash,
Path: string(path),
})
return err
}
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