42 lines
907 B
Go
42 lines
907 B
Go
package lishwist
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import (
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"errors"
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"fmt"
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"golang.org/x/crypto/bcrypt"
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)
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var ErrorUsernameTaken = errors.New("username is taken")
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func Register(username, newPassword string) (*User, error) {
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if username == "" {
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return nil, errors.New("Username required")
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}
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if newPassword == "" {
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return nil, errors.New("newPassword required")
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}
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existingUser, _ := getUserByName(username)
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if existingUser != nil {
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return nil, ErrorUsernameTaken
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}
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hashedPasswordBytes, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.MinCost)
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if err != nil {
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return nil, fmt.Errorf("failed to hash password: %w", err)
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}
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usersExist, err := hasUsers()
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if err != nil {
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return nil, fmt.Errorf("failed to count users: %w", err)
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}
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user, err := createUser(username, hashedPasswordBytes, !usersExist)
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if err != nil {
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return nil, fmt.Errorf("failed to create user: %w", err)
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}
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return user, nil
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}
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