split db and bolt to store interface

This commit is contained in:
ston1th 2018-09-11 14:50:53 +02:00
commit 7e77fd7d27
14 changed files with 419 additions and 545 deletions

View file

@ -1,66 +1,47 @@
package db
import (
"github.com/boltdb/bolt"
"errors"
"git.giftfish.de/ston1th/gowiki/pkg/core"
"golang.org/x/crypto/bcrypt"
)
type User struct {
Username string
Password string
Admin bool
Locked int
}
var (
errUserNotFound = dbErr("user not found")
errUserExists = dbErr("user already exist")
)
func (bs *BoltStore) GetUsers() (users []User, err error) {
users, err = bs.DumpUsers()
func (db *DB) GetUsers() (users []core.User, err error) {
// TODO
/*users, err = db.DumpUsers()
for i := range users {
users[i].Password = ""
}
}*/
return
}
func (bs *BoltStore) GetUserWithoutPassword(username string) (u User, err error) {
u, err = bs.GetUser(username)
func (db *DB) GetUserWithoutPassword(username string) (u core.User, err error) {
u, err = db.GetUser(username)
u.Password = ""
return
}
func (bs *BoltStore) GetUser(username string) (u User, err error) {
err = bs.db.View(func(tx *bolt.Tx) error {
v := tx.Bucket([]byte(userTable)).Get([]byte(username))
if v == nil {
return errUserNotFound
}
return bs.Unmarshal(v, &u)
})
func (db *DB) GetUser(username string) (u core.User, err error) {
err = db.users.Get(username, &u)
return
}
func (bs *BoltStore) UserIsAdmin(username string) (admin bool) {
bs.db.View(func(tx *bolt.Tx) error {
u, _ := bs.GetUser(username)
admin = u.Admin
return nil
})
return
func (db *DB) UserIsAdmin(username string) bool {
u, _ := db.GetUser(username)
return u.Admin
}
func (bs *BoltStore) UserExists(username string) error {
return bs.db.View(func(tx *bolt.Tx) error {
if tx.Bucket([]byte(userTable)).Get([]byte(username)) == nil {
return errUserNoFound
}
return nil
})
func (db *DB) UserExists(username string) error {
return db.users.Get(username, nil)
}
func (bs *BoltStore) DumpUsers() (users []User, err error) {
// TODO
/*func (bs *BoltStore) DumpUsers() (users []User, err error) {
var buf [][]byte
err = bs.db.View(func(tx *bolt.Tx) error {
return tx.Bucket([]byte(userTable)).ForEach(func(k, v []byte) error {
@ -102,135 +83,101 @@ func (bs *BoltStore) RestoreUsers(users []User) error {
}
return nil
})
}
}*/
func (bs *BoltStore) CreateUser(username, password string, admin bool) error {
if err := bs.UserExists(username); err == nil {
func (db *DB) CreateUser(username, password string, admin bool) error {
if err := db.UserExists(username); err == nil {
return errUserExists
}
return bs.db.Update(func(tx *bolt.Tx) error {
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
v, err := bs.Marshal(&User{
Username: username,
Password: string(hash),
Admin: admin,
})
if err != nil {
return err
}
return tx.Bucket([]byte(userTable)).Put([]byte(username), v)
})
}
func (bs *BoltStore) Login(username, password string) error {
var e error
err := bs.db.Update(func(tx *bolt.Tx) error {
us, err := bs.GetUser(username)
if err != nil {
return err
}
if us.Locked == 3 {
return errors.New("db: user locked")
}
b := tx.Bucket([]byte(userTable))
if err := bcrypt.CompareHashAndPassword([]byte(us.Password), validatePassword(password)); err != nil {
us.Locked++
v, err := bs.Marshal(us)
if err != nil {
return err
}
if err = b.Put([]byte(username), v); err != nil {
return err
}
e = errors.New("db: wrong login")
return nil
}
us.Locked = 0
v, err := bs.Marshal(us)
if err != nil {
return err
}
return b.Put([]byte(username), v)
})
if e != nil {
return e
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
if err != nil {
return err
}
return err
return db.users.Set(username, &core.User{
Username: username,
Password: string(hash),
Admin: admin,
})
}
func (bs *BoltStore) UnlockUser(username string) error {
return bs.db.Update(func(tx *bolt.Tx) error {
u, err := bs.GetUser(username)
func (db *DB) Login(username, password string) (err error) {
var u core.User
u, err = db.GetUser(username)
if err != nil {
return
}
if u.Locked == 3 {
return errors.New("db: user locked")
}
if err = bcrypt.CompareHashAndPassword([]byte(u.Password), validatePassword(password)); err != nil {
u.Locked++
err = db.users.Set(username, u)
if err != nil {
return err
}
if u.Locked < 3 {
return nil
return
}
return errors.New("db: wrong login")
}
if u.Locked > 0 {
u.Locked = 0
v, err := bs.Marshal(u)
err = db.users.Set(username, u)
if err != nil {
return err
return
}
return tx.Bucket([]byte(userTable)).Put([]byte(username), v)
})
}
return
}
func (bs *BoltStore) UpdateUserPassword(username, password string) error {
return bs.db.Update(func(tx *bolt.Tx) error {
if password != "" {
us, err := bs.GetUser(username)
if err != nil {
return err
}
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
if err != nil {
return err
}
us.Password = string(hash)
v, err := bs.Marshal(us)
if err != nil {
return err
}
return tx.Bucket([]byte(userTable)).Put([]byte(username), v)
func (db *DB) UnlockUser(username string) (err error) {
var u core.User
u, err = db.GetUser(username)
if err != nil {
return
}
if u.Locked > 0 {
u.Locked = 0
err = db.users.Set(username, u)
if err != nil {
return
}
return nil
})
}
return
}
func (bs *BoltStore) AdminUpdateUser(username, password string, admin bool) error {
func (db *DB) UpdateUserPassword(username, password string) error {
u, err := db.GetUser(username)
if err != nil {
return err
}
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
if err != nil {
return err
}
u.Password = string(hash)
return db.users.Set(username, u)
}
func (db *DB) AdminUpdateUser(username, password string, admin bool) error {
if username == defUser && !admin {
return errors.New("user '" + defUser + "' cannot lose admin privileges")
}
return bs.db.Update(func(tx *bolt.Tx) error {
us, err := bs.GetUser(username)
u, err := db.GetUser(username)
if err != nil {
return err
}
u.Admin = admin
if password != "" {
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
if err != nil {
return err
}
us.Admin = admin
if password != "" {
hash, err := bcrypt.GenerateFromPassword(validatePassword(password), bcryptCost)
if err != nil {
return err
}
us.Password = string(hash)
}
v, err := bs.Marshal(us)
if err != nil {
return err
}
return tx.Bucket([]byte(userTable)).Put([]byte(username), v)
})
u.Password = string(hash)
}
return db.users.Set(username, u)
}
func (bs *BoltStore) DeleteUser(username string) error {
func (db *DB) DeleteUser(username string) error {
if username == defUser {
return errors.New("user '" + defUser + "' cannot be deleted")
}
if err := bs.UserExists(username); err != nil {
return err
}
return bs.db.Update(func(tx *bolt.Tx) error {
return tx.Bucket([]byte(userTable)).Delete([]byte(username))
})
return db.users.Delete(username)
}