vikunja-api/pkg/models/label_rights.go
konrad bd8c1c3bb7 Return rights when reading a single item (#626)
Fix lint

Update docs

Fix loading all rights (list & namespace)

Add tests

Update web framework

Make tests run again

Update all calls to CanRead methods

Update task attachment & task comment & task rights to return the max right

Update team rights to return the max right

Update namespace rights to return the max right

Update list rights to return the max right

Update link share rights to return the max right

Update label rights to return the max right

Update web dependency

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/626
2020-08-10 12:11:43 +00:00

97 lines
2.7 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package models
import (
"code.vikunja.io/api/pkg/user"
"code.vikunja.io/web"
"xorm.io/builder"
)
// CanUpdate checks if a user can update a label
func (l *Label) CanUpdate(a web.Auth) (bool, error) {
return l.isLabelOwner(a) // Only owners should be allowed to update a label
}
// CanDelete checks if a user can delete a label
func (l *Label) CanDelete(a web.Auth) (bool, error) {
return l.isLabelOwner(a) // Only owners should be allowed to delete a label
}
// CanRead checks if a user can read a label
func (l *Label) CanRead(a web.Auth) (bool, int, error) {
return l.hasAccessToLabel(a)
}
// CanCreate checks if the user can create a label
// Currently a dummy.
func (l *Label) CanCreate(a web.Auth) (bool, error) {
if _, is := a.(*LinkSharing); is {
return false, nil
}
return true, nil
}
func (l *Label) isLabelOwner(a web.Auth) (bool, error) {
if _, is := a.(*LinkSharing); is {
return false, nil
}
lorig, err := getLabelByIDSimple(l.ID)
if err != nil {
return false, err
}
return lorig.CreatedByID == a.GetID(), nil
}
// Helper method to check if a user can see a specific label
func (l *Label) hasAccessToLabel(a web.Auth) (has bool, maxRight int, err error) {
// TODO: add an extra check for link share handling
// Get all tasks
taskIDs, err := getUserTaskIDs(&user.User{ID: a.GetID()})
if err != nil {
return false, 0, err
}
// Get all labels associated with these tasks
ll := &LabelTask{}
has, err = x.Table("labels").
Select("label_task.*").
Join("LEFT", "label_task", "label_task.label_id = labels.id").
Where("label_task.label_id is not null OR labels.created_by_id = ?", a.GetID()).
Or(builder.In("label_task.task_id", taskIDs)).
And("labels.id = ?", l.ID).
Exist(ll)
if err != nil {
return
}
// Since the right depends on the task the label is associated with, we need to check that too.
if ll.TaskID > 0 {
t := &Task{ID: ll.TaskID}
_, maxRight, err = t.CanRead(a)
if err != nil {
return
}
}
return
}