TinySkin/service/yggdrasil/authenticate.go
2023-09-03 23:19:38 +08:00

119 lines
3.1 KiB
Go

package yggdrasil
import (
"context"
"encoding/binary"
"errors"
"fmt"
"strconv"
"strings"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/google/uuid"
"github.com/xmdhs/authlib-skin/db/ent"
"github.com/xmdhs/authlib-skin/db/ent/user"
"github.com/xmdhs/authlib-skin/model"
"github.com/xmdhs/authlib-skin/model/yggdrasil"
"github.com/xmdhs/authlib-skin/utils"
)
var (
ErrRate = errors.New("频率限制")
ErrPassWord = errors.New("错误的密码或邮箱")
)
func (y *Yggdrasil) Authenticate(cxt context.Context, auth yggdrasil.Authenticate) (yggdrasil.Token, error) {
key := []byte("Authenticate" + auth.Username)
v, err := y.cache.Get(key)
if err != nil {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", err)
}
if v != nil {
u := binary.BigEndian.Uint64(v)
t := time.Unix(int64(u), 0)
if time.Now().Before(t) {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", ErrRate)
}
}
b := make([]byte, 8)
binary.BigEndian.PutUint64(b, uint64(time.Now().Add(5*time.Second).Unix()))
err = y.cache.Put(key, b, time.Now().Add(20*time.Second))
if err != nil {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", err)
}
u, err := y.client.User.Query().Where(user.EmailEQ(auth.Username)).WithProfile().First(cxt)
if err != nil {
var nf *ent.NotFoundError
if errors.As(err, &nf) {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", ErrPassWord)
}
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", err)
}
if !utils.Argon2Compare(auth.Password, u.Password, u.Salt) {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", ErrPassWord)
}
clientToken := auth.ClientToken
if clientToken == "" {
clientToken = strings.ReplaceAll(uuid.New().String(), "-", "")
}
var utoken *ent.UserToken
err = utils.WithTx(cxt, y.client, func(tx *ent.Tx) error {
utoken, err = tx.User.QueryToken(u).ForUpdate().First(cxt)
if err != nil {
var nf *ent.NotFoundError
if !errors.As(err, &nf) {
return err
}
}
if utoken == nil {
ut, err := tx.UserToken.Create().SetTokenID(1).Save(cxt)
if err != nil {
return err
}
err = tx.User.UpdateOne(u).SetToken(ut).Exec(cxt)
if err != nil {
return err
}
utoken = ut
}
return nil
})
if err != nil {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", err)
}
claims := model.TokenClaims{
Tid: strconv.FormatUint(utoken.TokenID, 10),
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(time.Now().Add(15 * 24 * time.Hour)),
Issuer: "authlib-skin",
Subject: u.Edges.Profile.UUID,
IssuedAt: jwt.NewNumericDate(time.Now()),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
jwts, err := token.SignedString([]byte(y.config.JwtKey))
if err != nil {
return yggdrasil.Token{}, fmt.Errorf("Authenticate: %w", err)
}
p := yggdrasil.TokenProfile{
ID: u.Edges.Profile.UUID,
Name: u.Edges.Profile.Name,
}
return yggdrasil.Token{
AccessToken: jwts,
AvailableProfiles: []yggdrasil.TokenProfile{p},
ClientToken: clientToken,
SelectedProfile: p,
User: yggdrasil.TokenUser{
ID: u.Edges.Profile.UUID,
Properties: []any{},
},
}, nil
}