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user.go
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user.go
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package model
import (
"encoding/binary"
"encoding/json"
"fmt"
"time"
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/alist-org/alist/v3/pkg/utils/random"
"github.com/go-webauthn/webauthn/webauthn"
"github.com/pkg/errors"
)
const (
GENERAL = iota
GUEST // only one exists
ADMIN
)
const StaticHashSalt = "https://github.com/alist-org/alist"
type User struct {
ID uint `json:"id" gorm:"primaryKey"` // unique key
Username string `json:"username" gorm:"unique" binding:"required"` // username
PwdHash string `json:"-"` // password hash
PwdTS int64 `json:"-"` // password timestamp
Salt string `json:"-"` // unique salt
Password string `json:"password"` // password
BasePath string `json:"base_path"` // base path
Role int `json:"role"` // user's role
Disabled bool `json:"disabled"`
// Determine permissions by bit
// 0: can see hidden files
// 1: can access without password
// 2: can add offline download tasks
// 3: can mkdir and upload
// 4: can rename
// 5: can move
// 6: can copy
// 7: can remove
// 8: webdav read
// 9: webdav write
Permission int32 `json:"permission"`
OtpSecret string `json:"-"`
SsoID string `json:"sso_id"` // unique by sso platform
Authn string `gorm:"type:text" json:"-"`
}
func (u *User) IsGuest() bool {
return u.Role == GUEST
}
func (u *User) IsAdmin() bool {
return u.Role == ADMIN
}
func (u *User) ValidateRawPassword(password string) error {
return u.ValidatePwdStaticHash(StaticHash(password))
}
func (u *User) ValidatePwdStaticHash(pwdStaticHash string) error {
if pwdStaticHash == "" {
return errors.WithStack(errs.EmptyPassword)
}
if u.PwdHash != HashPwd(pwdStaticHash, u.Salt) {
return errors.WithStack(errs.WrongPassword)
}
return nil
}
func (u *User) SetPassword(pwd string) *User {
u.Salt = random.String(16)
u.PwdHash = TwoHashPwd(pwd, u.Salt)
u.PwdTS = time.Now().Unix()
return u
}
func (u *User) CanSeeHides() bool {
return u.IsAdmin() || u.Permission&1 == 1
}
func (u *User) CanAccessWithoutPassword() bool {
return u.IsAdmin() || (u.Permission>>1)&1 == 1
}
func (u *User) CanAddOfflineDownloadTasks() bool {
return u.IsAdmin() || (u.Permission>>2)&1 == 1
}
func (u *User) CanWrite() bool {
return u.IsAdmin() || (u.Permission>>3)&1 == 1
}
func (u *User) CanRename() bool {
return u.IsAdmin() || (u.Permission>>4)&1 == 1
}
func (u *User) CanMove() bool {
return u.IsAdmin() || (u.Permission>>5)&1 == 1
}
func (u *User) CanCopy() bool {
return u.IsAdmin() || (u.Permission>>6)&1 == 1
}
func (u *User) CanRemove() bool {
return u.IsAdmin() || (u.Permission>>7)&1 == 1
}
func (u *User) CanWebdavRead() bool {
return u.IsAdmin() || (u.Permission>>8)&1 == 1
}
func (u *User) CanWebdavManage() bool {
return u.IsAdmin() || (u.Permission>>9)&1 == 1
}
func (u *User) JoinPath(reqPath string) (string, error) {
return utils.JoinBasePath(u.BasePath, reqPath)
}
func StaticHash(password string) string {
return utils.HashData(utils.SHA256, []byte(fmt.Sprintf("%s-%s", password, StaticHashSalt)))
}
func HashPwd(static string, salt string) string {
return utils.HashData(utils.SHA256, []byte(fmt.Sprintf("%s-%s", static, salt)))
}
func TwoHashPwd(password string, salt string) string {
return HashPwd(StaticHash(password), salt)
}
func (u *User) WebAuthnID() []byte {
bs := make([]byte, 8)
binary.LittleEndian.PutUint64(bs, uint64(u.ID))
return bs
}
func (u *User) WebAuthnName() string {
return u.Username
}
func (u *User) WebAuthnDisplayName() string {
return u.Username
}
func (u *User) WebAuthnCredentials() []webauthn.Credential {
var res []webauthn.Credential
err := json.Unmarshal([]byte(u.Authn), &res)
if err != nil {
fmt.Println(err)
}
return res
}
func (u *User) WebAuthnIcon() string {
return "https://alist.nn.ci/logo.svg"
}