gosora/common/mfa_store.go

102 lines
2.6 KiB
Go

package common
import (
"database/sql"
"errors"
"strings"
qgen "github.com/Azareal/Gosora/query_gen"
)
var MFAstore MFAStore
var ErrMFAScratchIndexOutOfBounds = errors.New("That MFA scratch index is out of bounds")
type MFAItemStmts struct {
update *sql.Stmt
delete *sql.Stmt
}
var mfaItemStmts MFAItemStmts
func init() {
DbInits.Add(func(acc *qgen.Accumulator) error {
mfaItemStmts = MFAItemStmts{
update: acc.Update("users_2fa_keys").Set("scratch1=?,scratch2=?,scratch3=?,scratch4=?,scratch5=?,scratch6=?,scratch7=?,scratch8=?").Where("uid=?").Prepare(),
delete: acc.Delete("users_2fa_keys").Where("uid=?").Prepare(),
}
return acc.FirstError()
})
}
type MFAItem struct {
UID int
Secret string
Scratch []string
}
func (i *MFAItem) BurnScratch(index int) error {
if index < 0 || len(i.Scratch) <= index {
return ErrMFAScratchIndexOutOfBounds
}
newScratch, err := mfaCreateScratch()
if err != nil {
return err
}
i.Scratch[index] = newScratch
_, err = mfaItemStmts.update.Exec(i.Scratch[0], i.Scratch[1], i.Scratch[2], i.Scratch[3], i.Scratch[4], i.Scratch[5], i.Scratch[6], i.Scratch[7], i.UID)
return err
}
func (i *MFAItem) Delete() error {
_, err := mfaItemStmts.delete.Exec(i.UID)
return err
}
func mfaCreateScratch() (string, error) {
code, err := GenerateStd32SafeString(8)
return strings.Replace(code, "=", "", -1), err
}
type MFAStore interface {
Get(id int) (*MFAItem, error)
Create(secret string, uid int) (err error)
}
type SQLMFAStore struct {
get *sql.Stmt
create *sql.Stmt
}
func NewSQLMFAStore(acc *qgen.Accumulator) (*SQLMFAStore, error) {
return &SQLMFAStore{
get: acc.Select("users_2fa_keys").Columns("secret,scratch1,scratch2,scratch3,scratch4,scratch5,scratch6,scratch7,scratch8").Where("uid=?").Prepare(),
create: acc.Insert("users_2fa_keys").Columns("uid,secret,scratch1,scratch2,scratch3,scratch4,scratch5,scratch6,scratch7,scratch8,createdAt").Fields("?,?,?,?,?,?,?,?,?,?,UTC_TIMESTAMP()").Prepare(),
}, acc.FirstError()
}
// TODO: Write a test for this
func (s *SQLMFAStore) Get(id int) (*MFAItem, error) {
i := MFAItem{UID: id, Scratch: make([]string, 8)}
err := s.get.QueryRow(id).Scan(&i.Secret, &i.Scratch[0], &i.Scratch[1], &i.Scratch[2], &i.Scratch[3], &i.Scratch[4], &i.Scratch[5], &i.Scratch[6], &i.Scratch[7])
return &i, err
}
// TODO: Write a test for this
func (s *SQLMFAStore) Create(secret string, uid int) (err error) {
params := make([]interface{}, 10)
params[0] = uid
params[1] = secret
for i := 2; i < len(params); i++ {
code, err := mfaCreateScratch()
if err != nil {
return err
}
params[i] = code
}
_, err = s.create.Exec(params...)
return err
}