95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
package service
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import (
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"context"
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"crypto/md5"
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"encoding/hex"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/google/uuid"
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"github.com/xmdhs/authlib-skin/db/ent"
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"github.com/xmdhs/authlib-skin/db/ent/user"
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"github.com/xmdhs/authlib-skin/db/ent/userprofile"
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"github.com/xmdhs/authlib-skin/model"
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"github.com/xmdhs/authlib-skin/utils"
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)
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var (
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ErrExistUser = errors.New("邮箱已存在")
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ErrExitsName = errors.New("用户名已存在")
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ErrRegLimit = errors.New("超过注册 ip 限制")
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)
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func (w *WebService) Reg(ctx context.Context, u model.User, ip string) error {
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var userUuid string
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if w.config.OfflineUUID {
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userUuid = uuidGen(u.Name)
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} else {
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userUuid = strings.ReplaceAll(uuid.New().String(), "-", "")
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}
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p, s := utils.Argon2ID(u.Password)
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if w.config.MaxIpUser != 0 {
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c, err := w.client.User.Query().Where(user.RegIPEQ(ip)).Count(ctx)
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if err != nil {
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return fmt.Errorf("Reg: %w", err)
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}
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if c >= w.config.MaxIpUser {
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return fmt.Errorf("Reg: %w", ErrRegLimit)
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}
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}
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err := utils.WithTx(ctx, w.client, func(tx *ent.Tx) error {
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count, err := tx.User.Query().Where(user.EmailEQ(u.Email)).ForUpdate().Count(ctx)
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if err != nil {
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return err
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}
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if count != 0 {
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return ErrExistUser
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}
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nameCount, err := tx.UserProfile.Query().Where(userprofile.NameEQ(u.Name)).ForUpdate().Count(ctx)
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if err != nil {
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return err
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}
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if nameCount != 0 {
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return ErrExitsName
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}
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du, err := tx.User.Create().
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SetEmail(u.Email).
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SetPassword(p).
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SetSalt(s).
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SetRegTime(time.Now().Unix()).
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SetRegIP(ip).
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SetState(0).Save(ctx)
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if err != nil {
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return err
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}
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_, err = tx.UserProfile.Create().
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SetUser(du).
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SetName(u.Name).
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SetUUID(userUuid).
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Save(ctx)
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if err != nil {
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return err
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}
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return nil
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})
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if err != nil {
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return fmt.Errorf("Reg: %w", err)
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}
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return nil
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}
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func uuidGen(t string) string {
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data := []byte("OfflinePlayer:" + t)
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h := md5.New()
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h.Write(data)
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uuid := h.Sum(nil)
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uuid[6] = (uuid[6] & 0x0f) | uint8((3&0xf)<<4)
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uuid[8] = (uuid[8] & 0x3f) | 0x80
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return hex.EncodeToString(uuid)
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}
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