Files
mgmt/engine/graphqueryable.go
James Shubin 336a38081a legal: Happy 2021 everyone...
Done with:

ack '2020+' -l | xargs sed -i -e 's/2020+/2021+/g'

Checked manually with:

git add -p

Hello to future James from 2022, and Happy Hacking!
2021-01-31 16:52:46 -05:00

71 lines
2.7 KiB
Go

// Mgmt
// Copyright (C) 2013-2021+ 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 <http://www.gnu.org/licenses/>.
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
}
}