83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package createuser
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import (
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"errors"
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"fmt"
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"net/http"
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"strings"
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"git.artlef.fr/PersonalLibraryManager/internal/config"
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"git.artlef.fr/PersonalLibraryManager/internal/model"
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"git.artlef.fr/PersonalLibraryManager/internal/myvalidator"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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// this method will hash the password
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func CreateUser(db *gorm.DB, username string, password string) error {
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hashedPassword, 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 CreateUserWithHashedPassword(db, username, string(hashedPassword))
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}
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// only call this method with hashed password
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func CreateUserWithHashedPassword(db *gorm.DB, username string, hashedPassword string) error {
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var existingUser model.User
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err := db.Where("name = ?", username).First(&existingUser).Error
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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if err == nil {
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return myvalidator.HttpError{
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StatusCode: http.StatusInternalServerError,
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Err: errors.New("An user with this name already exists."),
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}
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}
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user := model.User{
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Name: username,
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Password: hashedPassword,
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}
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return db.Model(&model.User{}).Save(&user).Error
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}
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func CreateDefaultUsers(db *gorm.DB, config *config.Config) error {
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usersPasswordMap := make(map[string]string)
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var usernames []string
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for _, s := range config.AddUser {
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splittedString := strings.Split(s, ":")
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if len(splittedString) < 2 {
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return fmt.Errorf("Error when creating user from string %s", s)
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}
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usernames = append(usernames, splittedString[0])
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usersPasswordMap[splittedString[0]] = splittedString[1]
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}
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var existingUsers []model.User
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err := db.Where("name IN ?", usernames).Find(&existingUsers).Error
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if err != nil {
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return err
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}
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for _, username := range usernames {
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if isInExistingUsers(username, existingUsers) {
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continue
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}
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err = CreateUserWithHashedPassword(db, username, usersPasswordMap[username])
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if err != nil {
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return err
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}
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}
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return nil
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}
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func isInExistingUsers(username string, existingUsers []model.User) bool {
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for _, existingUser := range existingUsers {
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if username == existingUser.Name {
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return true
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}
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}
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return false
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}
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