131 lines
3.7 KiB
Go
131 lines
3.7 KiB
Go
package user
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import (
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"context"
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"tydata-server/app/main/model"
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"tydata-server/common/xerr"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"time"
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"github.com/pkg/errors"
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"tydata-server/app/main/api/internal/svc"
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"tydata-server/app/main/api/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type WxH5AuthLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewWxH5AuthLogic(ctx context.Context, svcCtx *svc.ServiceContext) *WxH5AuthLogic {
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return &WxH5AuthLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *WxH5AuthLogic) WxH5Auth(req *types.WXH5AuthReq) (resp *types.WXH5AuthResp, err error) {
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// Step 1: 使用code获取access_token
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accessTokenResp, err := l.GetAccessToken(req.Code)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取access_token失败: %v", err)
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}
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// Step 2: 查找用户授权信息
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userAuth, findErr := l.svcCtx.UserAuthModel.FindOneByAuthTypeAuthKey(l.ctx, model.UserAuthTypeWxh5OpenID, accessTokenResp.Openid)
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if findErr != nil && !errors.Is(findErr, model.ErrNotFound) {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询用户授权失败: %v", findErr)
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}
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// Step 3: 处理用户信息
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var userID int64
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var userType int64
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if userAuth != nil {
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// 已存在用户，直接登录
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userID = userAuth.UserId
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userType = model.UserTypeNormal
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} else {
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// 检查临时用户表
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userTemp, err := l.svcCtx.UserTempModel.FindOneByAuthTypeAuthKey(l.ctx, model.UserAuthTypeWxh5OpenID, accessTokenResp.Openid)
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if err != nil && !errors.Is(err, model.ErrNotFound) {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询用户临时信息失败: %v", err)
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}
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if userTemp == nil {
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// 创建临时用户记录
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userTemp = &model.UserTemp{
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AuthType: model.UserAuthTypeWxh5OpenID,
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AuthKey: accessTokenResp.Openid,
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}
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result, err := l.svcCtx.UserTempModel.Insert(l.ctx, nil, userTemp)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建临时用户信息失败: %v", err)
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}
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userID, err = result.LastInsertId()
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "获取新创建的临时用户ID失败: %v", err)
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}
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} else {
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userID = userTemp.Id
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}
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userType = model.UserTypeTemp
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}
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// Step 4: 生成JWT Token
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token, err := l.svcCtx.UserService.GeneralUserToken(l.ctx, userID, userType)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成JWT token失败: %v", err)
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}
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// Step 5: 返回登录结果
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now := time.Now().Unix()
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return &types.WXH5AuthResp{
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AccessToken: token,
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AccessExpire: now + l.svcCtx.Config.JwtAuth.AccessExpire,
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RefreshAfter: now + l.svcCtx.Config.JwtAuth.RefreshAfter,
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}, nil
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}
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type AccessTokenResp struct {
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AccessToken string `json:"access_token"`
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Openid string `json:"openid"`
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}
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// GetAccessToken 通过code获取access_token
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func (l *WxH5AuthLogic) GetAccessToken(code string) (*AccessTokenResp, error) {
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appID := l.svcCtx.Config.WechatH5.AppID
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appSecret := l.svcCtx.Config.WechatH5.AppSecret
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url := fmt.Sprintf("https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code", appID, appSecret, code)
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resp, err := http.Get(url)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var accessTokenResp AccessTokenResp
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if err = json.Unmarshal(body, &accessTokenResp); err != nil {
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return nil, err
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}
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if accessTokenResp.AccessToken == "" || accessTokenResp.Openid == "" {
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return nil, errors.New("accessTokenResp.AccessToken为空")
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}
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return &accessTokenResp, nil
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}
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