88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package entity
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import (
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"time"
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"golang.org/x/crypto/bcrypt"
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)
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// Password represents a password hash.
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type Password struct {
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UID string `gorm:"type:VARBINARY(255);primary_key;" json:"UID"`
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Hash string `deepcopier:"skip" gorm:"type:VARBINARY(255);" json:"Hash"`
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CreatedAt time.Time `deepcopier:"skip" json:"CreatedAt"`
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UpdatedAt time.Time `deepcopier:"skip" json:"UpdatedAt"`
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}
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// TableName returns the entity database table name.
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func (Password) TableName() string {
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return "passwords"
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}
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// NewPassword creates a new password instance.
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func NewPassword(uid, password string) Password {
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if uid == "" {
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panic("auth: cannot set password without uid")
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}
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m := Password{UID: uid}
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if password != "" {
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if err := m.SetPassword(password); err != nil {
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log.Errorf("auth: failed setting password for %s", uid)
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}
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}
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return m
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}
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// SetPassword sets a new password stored as hash.
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func (m *Password) SetPassword(password string) error {
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if bytes, err := bcrypt.GenerateFromPassword([]byte(password), 14); err != nil {
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return err
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} else {
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m.Hash = string(bytes)
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return nil
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}
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}
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// InvalidPassword returns true if the given password does not match the hash.
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func (m *Password) InvalidPassword(password string) bool {
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if m.Hash == "" && password == "" {
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return false
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}
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err := bcrypt.CompareHashAndPassword([]byte(m.Hash), []byte(password))
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return err != nil
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}
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// Create inserts a new row to the database.
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func (m *Password) Create() error {
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return Db().Create(m).Error
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}
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// Save inserts a new row to the database or updates a row if the primary key already exists.
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func (m *Password) Save() error {
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return Db().Save(m).Error
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}
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// FindPassword returns an entity pointer if exists.
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func FindPassword(uid string) *Password {
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result := Password{}
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if err := Db().Where("uid = ?", uid).First(&result).Error; err == nil {
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return &result
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}
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return nil
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}
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// String returns the password hash.
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func (m *Password) String() string {
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return m.Hash
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}
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// Unknown returns true if the password is an empty string.
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func (m *Password) Unknown() bool {
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return m.Hash == ""
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}
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