ocket8888 commented on a change in pull request #3996: Rewrote /user/current to 
Go
URL: https://github.com/apache/trafficcontrol/pull/3996#discussion_r358488081
 
 

 ##########
 File path: traffic_ops/traffic_ops_golang/user/current.go
 ##########
 @@ -80,3 +144,184 @@ WHERE u.id=$1
        u.LocalUser = util.BoolPtr(localPassword.Valid)
        return u, nil
 }
+
+func ReplaceCurrent(w http.ResponseWriter, r *http.Request) {
+       inf, userErr, sysErr, errCode := api.NewInfo(r, nil, nil)
+       tx := inf.Tx.Tx
+       if userErr != nil || sysErr != nil {
+               api.HandleErr(w, r, tx, errCode, userErr, sysErr)
+               return
+       }
+       defer inf.Close()
+
+       var userRequest tc.CurrentUserUpdateRequest
+       if err := json.NewDecoder(r.Body).Decode(&userRequest); err != nil {
+               errCode = http.StatusBadRequest
+               userErr = fmt.Errorf("Couldn't parse request: %v", err)
+               api.HandleErr(w, r, tx, errCode, userErr, nil)
+               return
+       }
+
+       user, exists, err := dbhelpers.GetUserByID(inf.User.ID, tx)
+       if err != nil {
+               sysErr = fmt.Errorf("Getting user by ID %d: %v", inf.User.ID, 
err)
+               errCode = http.StatusInternalServerError
+               api.HandleErr(w, r, tx, errCode, nil, sysErr)
+               return
+       }
+       if !exists {
+               sysErr = fmt.Errorf("Current user (#%d) doesn't exist... ??", 
inf.User.ID)
+               errCode = http.StatusInternalServerError
+               api.HandleErr(w, r, tx, errCode, nil, sysErr)
+               return
+       }
+
+       if err := userRequest.User.UnmarshalAndValidate(&user); err != nil {
+               errCode = http.StatusBadRequest
+               userErr = fmt.Errorf("Couldn't parse request: %v", err)
+               api.HandleErr(w, r, tx, errCode, userErr, nil)
+               return
+       }
+
+       changePasswd := false
+
+       // obfuscate passwords (UnmarshalAndValidate checks for equality with 
ConfirmLocalPassword)
+       // TODO: check for valid password via bad password list like Perl did? 
User creation doesn't...
 
 Review comment:
   `user` doesn't use `GenericCreate`, the only validation I can see being done 
before the user is `INSERT`ed is checking that the password is non-nil. I also 
can't find a `tc.User.Validate` function, so if there is more validation being 
done my question is: where? I'd like to see it so I know how to write that 
enforcement.

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