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package dbx
import (
"database/sql"
"errors"
"golang.org/x/crypto/bcrypt"
"golang.org/x/text/unicode/norm"
)
type User struct {
Email string
Username string
Password string
AdminP bool
}
var LoginFailed = errors.New("No user with the given username and password")
func CreateUser(user User) error {
user.Username = norm.NFC.String(user.Username)
user.Password = norm.NFC.String(user.Password)
hash, err := bcrypt.GenerateFromPassword([]byte(user.Password), 15)
if err != nil {
return err
}
_, err = DB.Exec(`
INSERT INTO users (
email,
username,
password,
adminp
) VALUES (?, ?, ?, ?)
`, user.Email, user.Username, string(hash), user.AdminP)
return err
}
func Login(username, password string) (User, error) {
username = norm.NFC.String(username)
password = norm.NFC.String(password)
u := User{}
/* TODO: Pass a context here? */
err := DB.QueryRow(`SELECT * FROM users WHERE username = ?`, username).
Scan(&u.Email, &u.Username, &u.Password, &u.AdminP)
switch {
case errors.Is(err, sql.ErrNoRows):
return User{}, LoginFailed
case err != nil:
return User{}, err
}
err = bcrypt.CompareHashAndPassword([]byte(u.Password), []byte(password))
switch {
case errors.Is(err, bcrypt.ErrMismatchedHashAndPassword):
return User{}, LoginFailed
case err != nil:
return User{}, err
}
return u, nil
}
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