gitea/models/auth/u2f.go
2022-01-02 21:12:35 +08:00

155 lines
4.9 KiB
Go

// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package auth
import (
"fmt"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
"github.com/tstranex/u2f"
)
// ____ ________________________________ .__ __ __ .__
// | | \_____ \_ _____/\______ \ ____ ____ |__| _______/ |_____________ _/ |_|__| ____ ____
// | | // ____/| __) | _// __ \ / ___\| |/ ___/\ __\_ __ \__ \\ __\ |/ _ \ / \
// | | // \| \ | | \ ___// /_/ > |\___ \ | | | | \// __ \| | | ( <_> ) | \
// |______/ \_______ \___ / |____|_ /\___ >___ /|__/____ > |__| |__| (____ /__| |__|\____/|___| /
// \/ \/ \/ \/_____/ \/ \/ \/
// ErrU2FRegistrationNotExist represents a "ErrU2FRegistrationNotExist" kind of error.
type ErrU2FRegistrationNotExist struct {
ID int64
}
func (err ErrU2FRegistrationNotExist) Error() string {
return fmt.Sprintf("U2F registration does not exist [id: %d]", err.ID)
}
// IsErrU2FRegistrationNotExist checks if an error is a ErrU2FRegistrationNotExist.
func IsErrU2FRegistrationNotExist(err error) bool {
_, ok := err.(ErrU2FRegistrationNotExist)
return ok
}
// U2FRegistration represents the registration data and counter of a security key
type U2FRegistration struct {
ID int64 `xorm:"pk autoincr"`
Name string
UserID int64 `xorm:"INDEX"`
Raw []byte
Counter uint32 `xorm:"BIGINT"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
}
func init() {
db.RegisterModel(new(U2FRegistration))
}
// TableName returns a better table name for U2FRegistration
func (reg U2FRegistration) TableName() string {
return "u2f_registration"
}
// Parse will convert the db entry U2FRegistration to an u2f.Registration struct
func (reg *U2FRegistration) Parse() (*u2f.Registration, error) {
r := new(u2f.Registration)
return r, r.UnmarshalBinary(reg.Raw)
}
func (reg *U2FRegistration) updateCounter(e db.Engine) error {
_, err := e.ID(reg.ID).Cols("counter").Update(reg)
return err
}
// UpdateCounter will update the database value of counter
func (reg *U2FRegistration) UpdateCounter() error {
return reg.updateCounter(db.GetEngine(db.DefaultContext))
}
// U2FRegistrationList is a list of *U2FRegistration
type U2FRegistrationList []*U2FRegistration
// ToRegistrations will convert all U2FRegistrations to u2f.Registrations
func (list U2FRegistrationList) ToRegistrations() []u2f.Registration {
regs := make([]u2f.Registration, 0, len(list))
for _, reg := range list {
r, err := reg.Parse()
if err != nil {
log.Error("parsing u2f registration: %v", err)
continue
}
regs = append(regs, *r)
}
return regs
}
func getU2FRegistrationsByUID(e db.Engine, uid int64) (U2FRegistrationList, error) {
regs := make(U2FRegistrationList, 0)
return regs, e.Where("user_id = ?", uid).Find(&regs)
}
// GetU2FRegistrationByID returns U2F registration by id
func GetU2FRegistrationByID(id int64) (*U2FRegistration, error) {
return getU2FRegistrationByID(db.GetEngine(db.DefaultContext), id)
}
func getU2FRegistrationByID(e db.Engine, id int64) (*U2FRegistration, error) {
reg := new(U2FRegistration)
if found, err := e.ID(id).Get(reg); err != nil {
return nil, err
} else if !found {
return nil, ErrU2FRegistrationNotExist{ID: id}
}
return reg, nil
}
// GetU2FRegistrationsByUID returns all U2F registrations of the given user
func GetU2FRegistrationsByUID(uid int64) (U2FRegistrationList, error) {
return getU2FRegistrationsByUID(db.GetEngine(db.DefaultContext), uid)
}
// HasU2FRegistrationsByUID returns whether a given user has U2F registrations
func HasU2FRegistrationsByUID(uid int64) (bool, error) {
return db.GetEngine(db.DefaultContext).Where("user_id = ?", uid).Exist(&U2FRegistration{})
}
func createRegistration(e db.Engine, userID int64, name string, reg *u2f.Registration) (*U2FRegistration, error) {
raw, err := reg.MarshalBinary()
if err != nil {
return nil, err
}
r := &U2FRegistration{
UserID: userID,
Name: name,
Counter: 0,
Raw: raw,
}
_, err = e.InsertOne(r)
if err != nil {
return nil, err
}
return r, nil
}
// CreateRegistration will create a new U2FRegistration from the given Registration
func CreateRegistration(userID int64, name string, reg *u2f.Registration) (*U2FRegistration, error) {
return createRegistration(db.GetEngine(db.DefaultContext), userID, name, reg)
}
// DeleteRegistration will delete U2FRegistration
func DeleteRegistration(reg *U2FRegistration) error {
return deleteRegistration(db.GetEngine(db.DefaultContext), reg)
}
func deleteRegistration(e db.Engine, reg *U2FRegistration) error {
_, err := e.Delete(reg)
return err
}