Caleb Gardner
63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package darkstorm
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import (
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"crypto/rand"
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"encoding/base64"
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"github.com/google/uuid"
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"golang.org/x/crypto/argon2"
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)
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func generateSalt() (string, error) {
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out := make([]byte, 16)
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_, err := rand.Read(out)
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return base64.RawStdEncoding.EncodeToString(out), err
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}
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type User struct {
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Perm map[string]string
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ID string
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Username string
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Password string
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Salt string
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Email string
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PasswordChange uint64
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}
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func NewUser(username, password, email string) (*User, error) {
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id, err := uuid.NewV7()
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if err != nil {
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return nil, err
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}
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salt, err := generateSalt()
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if err != nil {
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return nil, err
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}
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out := &User{
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Perm: make(map[string]string),
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ID: id.String(),
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Username: username,
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Salt: salt,
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Email: email,
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}
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out.Password, err = out.HashPassword(password)
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return out, err
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}
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func (u *User) HashPassword(password string) (string, error) {
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salt, err := base64.RawStdEncoding.DecodeString(u.Salt)
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if err != nil {
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return "", err
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}
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res := argon2.IDKey([]byte(password), salt, 1, 64*1024, 4, 32)
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return base64.RawStdEncoding.EncodeToString(res), nil
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}
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func (u *User) ValidatePassword(password string) (bool, error) {
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hsh, err := u.HashPassword(password)
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if err != nil {
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return false, err
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}
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return hsh == u.Password, nil
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}
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