store
This commit is contained in:
parent
578da90b55
commit
8b2d298488
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@ -0,0 +1,65 @@
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package store
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import (
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"go.uber.org/fx"
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"gorm.io/gorm"
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"sneak.berlin/go/directory/internal/config"
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"sneak.berlin/go/directory/internal/database"
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"sneak.berlin/go/directory/internal/logger"
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)
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const (
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UsersTableName string = "users"
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UserAttributesTableName string = "userattributes"
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)
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type StoreParams struct {
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fx.In
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Logger *logger.Logger
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Config *config.Config
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Database *database.Database
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}
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type Store struct {
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dbdir string
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dbfn string
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db *gorm.DB
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logger *logger.Logger
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log *zerolog.Logger
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params *StoreParams
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}
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func New(lc fx.Lifecycle, params *StoreParams) (*Store, error) {
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s := new(Store)
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s.logger = params.Logger
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s.log = params.Logger.Get()
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var err error
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s.db, err = params.Database.Get()
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if err != nil {
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log.Error().Err(err).Msg("failed to get database object")
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return nil, err
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}
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// Auto migrate the schema
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err = s.db.AutoMigrate(&User{}, &UserAttribute{})
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if err != nil {
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log.Error().Err(err).Msg("failed to migrate database schema")
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return nil, err
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}
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return s, nil
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}
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func (s *Store) Close() {
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log.Info().Msg("closing store db")
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db, err := s.db.DB()
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if err != nil {
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log.Error().Err(err).Msg("failed to get generic database object from gorm")
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return
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}
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db.Close()
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}
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@ -0,0 +1,207 @@
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package store
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import (
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"crypto/rand"
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"errors"
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"net/http"
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"time"
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"github.com/oklog/ulid/v2"
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"github.com/rs/zerolog/log"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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type User struct {
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ID string `gorm:"primaryKey"`
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Username string `gorm:"unique"`
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Email *string
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PasswordHash string
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CreatedAt *time.Time
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LastLogin *time.Time
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LastSeen *time.Time
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LastFailedAuth *time.Time
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RecentFailedAuthCount int
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LastSeenIP *string
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Disabled bool
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Attributes []UserAttribute `gorm:"foreignKey:UserID"`
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db *gorm.DB `gorm:"-"`
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}
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func (User) TableName() string {
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return UsersTableName
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}
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func (u *User) IsDisabled() bool {
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return u.Disabled
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}
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func (s *Store) AddUser(username, password string) (*User, error) {
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var hashedPassword string
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if password != "" {
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hashedPasswordBytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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log.Error().Err(err).Msg("unable to hash password")
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return nil, err
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}
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hashedPassword = string(hashedPasswordBytes)
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}
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userID := ulid.MustNew(ulid.Timestamp(time.Now()), rand.Reader).String()
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createdAt := time.Now()
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user := &User{
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ID: userID,
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Username: username,
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PasswordHash: hashedPassword,
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CreatedAt: &createdAt,
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db: s.db,
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}
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result := s.db.Create(user)
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if result.Error != nil {
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log.Error().
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Str("username", username).
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Err(result.Error).
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Msg("unable to insert user into db")
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return nil, result.Error
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}
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log.Debug().
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Str("username", username).
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Msg("user added to db")
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return user, nil
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}
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func (s *Store) FindUserByUsername(username string) (*User, error) {
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if len(username) < 3 {
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return nil, errors.New("usernames are at least 3 characters")
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}
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var user User
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result := s.db.Where("username = ? AND disabled = ?", username, false).First(&user)
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to find user")
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return nil, result.Error
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}
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user.db = s.db
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return &user, nil
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}
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func (s *Store) FindUserByID(userID string) (*User, error) {
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var user User
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result := s.db.Where("id = ? and disabled = ?", userID, false).First(&user)
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to find user")
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return nil, result.Error
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}
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user.db = s.db
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return &user, nil
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}
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func (s *Store) LogFailedAuth(UserID string, r *http.Request) {
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// FIXME implement
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}
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func (s *Store) LogSuccessfulAuth(UserID string, r *http.Request) {
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now := time.Now()
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u, err := s.FindUserByID(UserID)
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if err != nil {
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panic("unable to find user")
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}
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s.db.Model(u).Update("LastSeen", now)
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//s.db.Model(u).Update("LastSeenIP", FIXME)
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}
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func (s *Store) AuthenticateUser(username, password, rootPasswordHash string, r *http.Request) (bool, *User, error) {
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if username == "root" {
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user, err := s.FindUserByUsername(username)
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if err != nil {
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// we probably need to create the root user in the db
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// and set 'user' because it's returned
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user, err = s.AddUser("root", "*")
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if err != nil {
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log.Error().Err(err).Msg("unable to create root user")
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return false, nil, err
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}
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}
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// we also ignore if the root user in the database is disabled,
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// because root can always log in using the env var password
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// even if the root user exists in the db, we still use the root
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// password from the environment var, and ignore the root password
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// hash in the database
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err = bcrypt.CompareHashAndPassword([]byte(rootPasswordHash), []byte(password))
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if err != nil {
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s.LogFailedAuth(user.ID, r)
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return false, nil, nil
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}
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s.LogSuccessfulAuth(user.ID, r)
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return true, user, nil
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}
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// FIXME update user record when auth fails
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user, err := s.FindUserByUsername(username)
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if err != nil {
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return false, nil, err
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}
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if user == nil {
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return false, nil, nil
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}
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if len(password) < 8 {
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s.LogFailedAuth(user.ID, r)
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return false, nil, nil
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}
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// how long are bcrypt hashes anyway?
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if len(user.PasswordHash) < 10 {
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s.LogFailedAuth(user.ID, r)
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return false, nil, nil
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}
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if user.Disabled {
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s.LogFailedAuth(user.ID, r)
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return false, nil, nil
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}
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err = bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password))
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if err != nil {
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if err == bcrypt.ErrMismatchedHashAndPassword {
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s.LogFailedAuth(user.ID, r)
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return false, nil, nil
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}
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log.Error().Err(err).Msg("password comparison error")
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return false, nil, err
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}
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s.LogSuccessfulAuth(user.ID, r)
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return true, user, nil
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}
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func (u *User) Disable() error {
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u.Disabled = true
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result := u.db.Save(u)
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if result.Error != nil {
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log.Error().
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Str("email", *u.Email).
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Err(result.Error).
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Msg("unable to disable user")
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return result.Error
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}
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log.Debug().
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Str("email", *u.Email).
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Msg("user disabled")
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return nil
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}
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func (u *User) IsAdmin() bool {
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return u.HasAttribute("admin")
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}
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func (u *User) IsSuperAdmin() bool {
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return u.HasAttribute("superadmin")
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}
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@ -0,0 +1,87 @@
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package store
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import (
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"strings"
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"github.com/rs/zerolog/log"
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"gorm.io/gorm"
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)
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type UserAttribute struct {
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ID uint `gorm:"primaryKey"`
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UserID string `gorm:"not null"`
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Value string `gorm:"not null"`
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db *gorm.DB `gorm:"-"`
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}
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func (UserAttribute) TableName() string {
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return UserAttributesTableName
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}
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func (u *User) AddAttribute(value string) error {
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value = strings.ToLower(value)
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if u.HasAttribute(value) {
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log.Debug().Str("attribute", value).Msg("attribute already exists")
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return nil
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}
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attribute := &UserAttribute{
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UserID: u.ID,
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Value: value,
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db: u.db,
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}
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result := u.db.Create(attribute)
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to add user attribute")
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return result.Error
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}
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log.Debug().
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Str("email", *u.Email).
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Str("attribute", value).
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Msg("user attribute added")
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return nil
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}
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func (u *User) DeleteAttribute(value string) error {
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value = strings.ToLower(value)
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result := u.db.Where("user_id = ? AND value = ?", u.ID, value).Delete(&UserAttribute{})
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to delete user attribute")
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return result.Error
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}
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log.Debug().
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Str("email", *u.Email).
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Str("attribute", value).
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Msg("user attribute deleted")
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return nil
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}
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func (u *User) HasAttribute(value string) bool {
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value = strings.ToLower(value)
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var count int64
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result := u.db.Model(&UserAttribute{}).Where("user_id = ? AND value = ?", u.ID, value).Count(&count)
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to check user attribute")
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return false
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}
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return count > 0
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}
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func (u *User) GetAttributes() ([]string, error) {
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var attributes []UserAttribute
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result := u.db.Where("user_id = ?", u.ID).Find(&attributes)
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if result.Error != nil {
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log.Error().Err(result.Error).Msg("unable to get user attributes")
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return nil, result.Error
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}
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var attributeValues []string
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for _, attr := range attributes {
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attributeValues = append(attributeValues, attr.Value)
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}
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return attributeValues, nil
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}
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