83 lines
3.4 KiB
Go
83 lines
3.4 KiB
Go
// Mgmt
|
|
// Copyright (C) 2013-2024+ James Shubin and the project contributors
|
|
// Written by James Shubin <james@shubin.ca> and the project contributors
|
|
//
|
|
// 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/>.
|
|
//
|
|
// Additional permission under GNU GPL version 3 section 7
|
|
//
|
|
// If you modify this program, or any covered work, by linking or combining it
|
|
// with embedded mcl code and modules (and that the embedded mcl code and
|
|
// modules which link with this program, contain a copy of their source code in
|
|
// the authoritative form) containing parts covered by the terms of any other
|
|
// license, the licensors of this program grant you additional permission to
|
|
// convey the resulting work. Furthermore, the licensors of this program grant
|
|
// the original author, James Shubin, additional permission to update this
|
|
// additional permission if he deems it necessary to achieve the goals of this
|
|
// additional permission.
|
|
|
|
package engine
|
|
|
|
// GraphQueryableRes is the interface that must be implemented if you want your
|
|
// resource to be allowed to be queried from another resource in the graph. This
|
|
// is done as a form of explicit authorization tracking so that we can consider
|
|
// security aspects more easily. Ultimately, all resource code should be
|
|
// trusted, but it's still a good idea to know if a particular resource is even
|
|
// able to access information about another one, and if your resource doesn't
|
|
// add the trait supporting this, then it won't be allowed.
|
|
type GraphQueryableRes interface {
|
|
Res // implement everything in Res but add the additional requirements
|
|
|
|
// GraphQueryAllowed returns nil if you're allowed to query the graph.
|
|
GraphQueryAllowed(...GraphQueryableOption) error
|
|
}
|
|
|
|
// GraphQueryableOption is an option that can be used to specify the
|
|
// authentication.
|
|
type GraphQueryableOption func(*GraphQueryableOptions)
|
|
|
|
// GraphQueryableOptions represents the different possible configurable options.
|
|
type GraphQueryableOptions struct {
|
|
// Kind is the kind of the resource making the access.
|
|
Kind string
|
|
// Name is the name of the resource making the access.
|
|
Name string
|
|
// TODO: add more options if needed
|
|
}
|
|
|
|
// Apply is a helper function to apply a list of options to the struct. You
|
|
// should initialize it with defaults you want, and then apply any you've
|
|
// received like this.
|
|
func (obj *GraphQueryableOptions) Apply(opts ...GraphQueryableOption) {
|
|
for _, optionFunc := range opts { // apply the options
|
|
optionFunc(obj)
|
|
}
|
|
}
|
|
|
|
// GraphQueryableOptionKind tells the GraphQueryAllowed function what the
|
|
// resource kind is.
|
|
func GraphQueryableOptionKind(kind string) GraphQueryableOption {
|
|
return func(gqo *GraphQueryableOptions) {
|
|
gqo.Kind = kind
|
|
}
|
|
}
|
|
|
|
// GraphQueryableOptionName tells the GraphQueryAllowed function what the
|
|
// resource name is.
|
|
func GraphQueryableOptionName(name string) GraphQueryableOption {
|
|
return func(gqo *GraphQueryableOptions) {
|
|
gqo.Name = name
|
|
}
|
|
}
|