fusenapi/utils/basic/request_parse.go
2023-08-28 16:58:53 +08:00

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package basic
import (
"errors"
"fmt"
"log"
"fusenapi/shared"
"fusenapi/utils/auth"
"net/http"
"reflect"
"github.com/golang-jwt/jwt"
"github.com/zeromicro/go-zero/core/logx"
"github.com/zeromicro/go-zero/rest/httpx"
"gorm.io/gorm"
)
type IJWTParse interface {
ParseJwtToken(r *http.Request) (jwt.MapClaims, error)
}
func BeforeLogic(w http.ResponseWriter, r *http.Request, l reflect.Value) (isNext bool) {
m := l.MethodByName("BeforeLogic")
if m.IsValid() {
result := m.Call([]reflect.Value{reflect.ValueOf(w), reflect.ValueOf(r)})
if len(result) != 0 {
return false
}
}
return true
}
func AfterLogic(w http.ResponseWriter, r *http.Request, l reflect.Value, resp *Response) bool {
m := l.MethodByName("AfterLogic")
if m.IsValid() {
m.Call([]reflect.Value{reflect.ValueOf(w), reflect.ValueOf(r), reflect.ValueOf(resp)})
return true
}
return false
}
func NormalAfterLogic(w http.ResponseWriter, r *http.Request, resp *Response) {
// 如果响应不为nil则使用httpx.OkJsonCtx方法返回JSON响应;
if resp != nil {
httpx.OkJsonCtx(r.Context(), w, resp)
} else {
err := errors.New("server logic is error, resp must not be nil")
httpx.ErrorCtx(r.Context(), w, err)
logx.Error(err)
}
}
func ParseJwtToken(r *http.Request, svcCtx any) (*auth.UserInfo, error) {
var userinfo *auth.UserInfo
var err error
// log.Println(io.ReadAll(r.Body))
// token := r.Header.Get("Authorization")
// userId, err := strconv.ParseInt(token, 10, 64)
var secret uint64 = 0
token, info, err := auth.ParseJwtTokenHeader[auth.UserInfo](r) //解析Token头, 和payload信息
if err != nil {
logx.Error(err)
return nil, err
}
if info != nil {
if info.IsUser() {
// us, err := state.GetUserState(info.UserId) //获取缓存的用户状态
reflect.ValueOf(svcCtx)
ctxValue := reflect.ValueOf(svcCtx).FieldByName("MysqlConn")
gdb := ctxValue.Interface().(*gorm.DB)
us, err := shared.GetUserState(info.UserId, gdb)
if err != nil {
log.Println(info)
logx.Error(err)
return nil, err
}
secret = us.PwdHash // 获取密码的hash做jwt, 便于重置密码的使用
} else if info.IsGuest() {
secret = auth.DefaultJwtSecret //获取默认的hash
}
}
if secret != 0 {
claims, err := auth.ParseJwtTokenUint64Secret(token, secret)
// 如果解析JWT token出错,则返回未授权的JSON响应并记录错误消息
if err != nil {
log.Println(token)
if err != nil {
return nil, fmt.Errorf("unauthorized")
}
return nil, err
}
if claims != nil {
// 从token中获取对应的用户信息
userinfo, err = auth.GetUserInfoFormMapClaims(claims)
// 如果获取用户信息出错,则返回未授权的JSON响应并记录错误消息
if err != nil {
return nil, fmt.Errorf("unauthorized")
}
}
} else {
// 白板用户
userinfo = &auth.UserInfo{UserId: 0, GuestId: 0}
}
return userinfo, nil
}
func RequestParse(w http.ResponseWriter, r *http.Request, svcCtx any, LogicRequest any) (*auth.UserInfo, error) {
// 新的解析jwtToken
userinfo, err := ParseJwtToken(r, svcCtx)
if err != nil {
httpx.OkJsonCtx(r.Context(), w, &Response{
Code: 510,
Message: err.Error(),
})
}
// 如果端点有请求结构体则使用httpx.Parse方法从HTTP请求体中解析请求数据
if err = httpx.Parse(r, LogicRequest); err != nil {
httpx.OkJsonCtx(r.Context(), w, &Response{
Code: 510,
Message: "parameter error",
})
logx.Error(err)
return nil, err
}
// userinfo := &auth.UserInfo{UserId: 39}
return userinfo, err
}
func RequestParseBackend(w http.ResponseWriter, r *http.Request, svcCtx IJWTParse, LogicRequest any) (userinfo *auth.BackendUserInfo, err error) {
// 解析JWT token,并对空用户进行判断
claims, err := svcCtx.ParseJwtToken(r)
// 如果解析JWT token出错,则返回未授权的JSON响应并记录错误消息
if err != nil {
httpx.OkJsonCtx(r.Context(), w, &Response{
Code: 401, // 返回401状态码,表示未授权
Message: "unauthorized", // 返回未授权信息
})
logx.Info("unauthorized:", err.Error()) // 记录错误日志
return
}
if claims != nil {
// 从token中获取对应的用户信息
userinfo, err = auth.GetBackendUserInfoFormMapClaims(claims)
// 如果获取用户信息出错,则返回未授权的JSON响应并记录错误消息
if err != nil {
httpx.OkJsonCtx(r.Context(), w, &Response{
Code: 401,
Message: "unauthorized",
})
logx.Info("unauthorized:", err.Error())
return
}
}
// var req types.RequestGoogleLogin
// 如果端点有请求结构体则使用httpx.Parse方法从HTTP请求体中解析请求数据
if err = httpx.Parse(r, LogicRequest); err != nil {
httpx.OkJsonCtx(r.Context(), w, &Response{
Code: 510,
Message: "parameter error",
})
logx.Info(err)
return
}
return userinfo, err
}