vikunja-api/models/namespace_rights.go
kolaente 6d971c5fe1
fmt
2018-09-06 08:46:47 +02:00

100 lines
2.7 KiB
Go

package models
// IsAdmin returns true or false if the user is admin on that namespace or not
func (n *Namespace) IsAdmin(user *User) bool {
// Owners always have admin rights
if user.ID == n.Owner.ID {
return true
}
// Check user rights
if n.checkUserRights(user, UserRightAdmin) {
return true
}
// Check if that user is in a team which has admin rights to that namespace
return n.checkTeamRights(user, TeamRightAdmin)
}
// CanWrite checks if a user has write access to a namespace
func (n *Namespace) CanWrite(user *User) bool {
// Admins always have write access
if n.IsAdmin(user) {
return true
}
// Check user rights
if n.checkUserRights(user, UserRightWrite) {
return true
}
// Check if that user is in a team which has write rights to that namespace
return n.checkTeamRights(user, TeamRightWrite)
}
// CanRead checks if a user has read access to that namespace
func (n *Namespace) CanRead(user *User) bool {
// Admins always have read access
if n.IsAdmin(user) {
return true
}
// Check user rights
if n.checkUserRights(user, UserRightRead) {
return true
}
// Check if the user is in a team which has access to the namespace
return n.checkTeamRights(user, TeamRightRead)
}
// CanUpdate checks if the user can update the namespace
func (n *Namespace) CanUpdate(user *User) bool {
nn, _ := GetNamespaceByID(n.ID)
return nn.IsAdmin(user)
}
// CanDelete checks if the user can delete a namespace
func (n *Namespace) CanDelete(user *User) bool {
nn, _ := GetNamespaceByID(n.ID)
return nn.IsAdmin(user)
}
// CanCreate checks if the user can create a new namespace
func (n *Namespace) CanCreate(user *User) bool {
// This is currently a dummy function, later on we could imagine global limits etc.
return true
}
func (n *Namespace) checkTeamRights(user *User, r TeamRight) bool {
exists, err := x.Select("namespaces.*").
Table("namespaces").
Join("LEFT", "team_namespaces", "namespaces.id = team_namespaces.namespace_id").
Join("LEFT", "team_members", "team_members.team_id = team_namespaces.team_id").
Where("namespaces.id = ? "+
"AND ((team_members.user_id = ? AND team_namespaces.right = ?) "+
"OR namespaces.owner_id = ? ", n.ID, user.ID, r, user.ID).
Get(&Namespace{})
if err != nil {
return false
}
return exists
}
func (n *Namespace) checkUserRights(user *User, r UserRight) bool {
exists, err := x.Select("namespaces.*").
Table("namespaces").
Join("LEFT", "users_namespace", "users_namespace.namespace_id = namespaces.id").
Where("namespaces.id = ? "+
"OR namespaces.owner_id = ? "+
"OR (users_namespace.user_id = ? AND users_namespace.right = ?))", n.ID, user.ID, user.ID, r).
Get(&Namespace{})
if err != nil {
return false
}
return exists
}