kolaente
c1d06c5e5a
Some checks failed
continuous-integration/drone/push Build is failing
This caused the frontend to not show such projects, throwing errors in the process and sometimes made it hang.
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
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import (
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"code.vikunja.io/api/pkg/user"
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"code.vikunja.io/web"
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"xorm.io/builder"
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"xorm.io/xorm"
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)
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// CanUpdate checks if a user can update a label
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func (l *Label) CanUpdate(s *xorm.Session, a web.Auth) (bool, error) {
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return l.isLabelOwner(s, a) // Only owners should be allowed to update a label
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}
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// CanDelete checks if a user can delete a label
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func (l *Label) CanDelete(s *xorm.Session, a web.Auth) (bool, error) {
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return l.isLabelOwner(s, a) // Only owners should be allowed to delete a label
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}
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// CanRead checks if a user can read a label
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func (l *Label) CanRead(s *xorm.Session, a web.Auth) (bool, int, error) {
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return l.hasAccessToLabel(s, a)
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}
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// CanCreate checks if the user can create a label
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// Currently a dummy.
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func (l *Label) CanCreate(_ *xorm.Session, a web.Auth) (bool, error) {
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if _, is := a.(*LinkSharing); is {
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return false, nil
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}
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return true, nil
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}
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func (l *Label) isLabelOwner(s *xorm.Session, a web.Auth) (bool, error) {
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if _, is := a.(*LinkSharing); is {
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return false, nil
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}
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lorig, err := getLabelByIDSimple(s, l.ID)
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if err != nil {
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return false, err
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}
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return lorig.CreatedByID == a.GetID(), nil
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}
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// Helper method to check if a user can see a specific label
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func (l *Label) hasAccessToLabel(s *xorm.Session, a web.Auth) (has bool, maxRight int, err error) {
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if _, is := a.(*LinkSharing); is {
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return false, 0, nil
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}
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u, err := user.GetUserByID(s, a.GetID())
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if err != nil {
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return false, 0, err
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}
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cond := builder.In("label_tasks.task_id",
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builder.
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Select("id").
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From("tasks").
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Where(builder.In("project_id", getUserProjectsStatement(u.ID, "", false).Select("l.id"))),
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)
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ll := &LabelTask{}
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has, err = s.Table("labels").
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Select("label_tasks.*").
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Join("LEFT", "label_tasks", "label_tasks.label_id = labels.id").
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Where("label_tasks.label_id is not null OR labels.created_by_id = ?", u.ID).
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Or(cond).
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And("labels.id = ?", l.ID).
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Exist(ll)
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if err != nil {
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return
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}
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// Since the right depends on the task the label is associated with, we need to check that too.
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if ll.TaskID > 0 {
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t := &Task{ID: ll.TaskID}
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_, maxRight, err = t.CanRead(s, a)
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if err != nil {
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return
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}
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}
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return
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}
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