139 lines
4 KiB
Go
139 lines
4 KiB
Go
// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018 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 General Public License 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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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/log"
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"code.vikunja.io/web"
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)
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// IsAdmin returns true or false if the user is admin on that namespace or not
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func (n *Namespace) IsAdmin(a web.Auth) bool {
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u := getUserForRights(a)
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// Owners always have admin rights
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if u.ID == n.Owner.ID {
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return true
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}
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// Check user rights
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if n.checkUserRights(u, UserRightAdmin) {
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return true
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}
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// Check if that user is in a team which has admin rights to that namespace
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return n.checkTeamRights(u, TeamRightAdmin)
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}
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// CanWrite checks if a user has write access to a namespace
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func (n *Namespace) CanWrite(a web.Auth) bool {
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u := getUserForRights(a)
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// Admins always have write access
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if n.IsAdmin(u) {
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return true
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}
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// Check user rights
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if n.checkUserRights(u, UserRightWrite) {
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return true
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}
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// Check if that user is in a team which has write rights to that namespace
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return n.checkTeamRights(u, TeamRightWrite)
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}
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// CanRead checks if a user has read access to that namespace
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func (n *Namespace) CanRead(a web.Auth) bool {
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u := getUserForRights(a)
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// Admins always have read access
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if n.IsAdmin(u) {
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return true
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}
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// Check user rights
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if n.checkUserRights(u, UserRightRead) {
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return true
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}
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// Check if the user is in a team which has access to the namespace
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return n.checkTeamRights(u, TeamRightRead)
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}
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// CanUpdate checks if the user can update the namespace
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func (n *Namespace) CanUpdate(a web.Auth) bool {
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u := getUserForRights(a)
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nn, err := GetNamespaceByID(n.ID)
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if err != nil {
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log.Log.Error("Error occurred during CanUpdate for Namespace: %s", err)
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return false
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}
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return nn.IsAdmin(u)
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}
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// CanDelete checks if the user can delete a namespace
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func (n *Namespace) CanDelete(a web.Auth) bool {
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u := getUserForRights(a)
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nn, err := GetNamespaceByID(n.ID)
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if err != nil {
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log.Log.Error("Error occurred during CanDelete for Namespace: %s", err)
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return false
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}
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return nn.IsAdmin(u)
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}
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// CanCreate checks if the user can create a new namespace
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func (n *Namespace) CanCreate(a web.Auth) bool {
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// This is currently a dummy function, later on we could imagine global limits etc.
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return true
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}
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func (n *Namespace) checkTeamRights(u *User, r TeamRight) bool {
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exists, err := x.Select("namespaces.*").
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Table("namespaces").
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Join("LEFT", "team_namespaces", "namespaces.id = team_namespaces.namespace_id").
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Join("LEFT", "team_members", "team_members.team_id = team_namespaces.team_id").
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Where("namespaces.id = ? AND ("+
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"(team_members.user_id = ? AND team_namespaces.right = ?) "+
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"OR namespaces.owner_id = ?)", n.ID, u.ID, r, u.ID).
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Get(&Namespace{})
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if err != nil {
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log.Log.Error("Error occurred during checkTeamRights for Namespace: %s, TeamRight: %d", err, r)
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return false
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}
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return exists
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}
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func (n *Namespace) checkUserRights(u *User, r UserRight) bool {
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exists, err := x.Select("namespaces.*").
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Table("namespaces").
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Join("LEFT", "users_namespace", "users_namespace.namespace_id = namespaces.id").
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Where("namespaces.id = ? AND ("+
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"(users_namespace.user_id = ? AND users_namespace.right = ?) "+
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"OR namespaces.owner_id = ?)", n.ID, u.ID, r, u.ID).
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Get(&Namespace{})
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if err != nil {
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log.Log.Error("Error occurred during checkUserRights for Namespace: %s, UserRight: %d", err, r)
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return false
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}
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return exists
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}
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