87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package authorizer
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import (
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"errors"
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"k8s.io/apiserver/pkg/authorization/authorizer"
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)
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// alwaysAllowAuthorizer is an implementation of authorizer.Attributes
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// which always says yes to an authorization request.
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// It is useful in tests and when using kubernetes in an open manner.
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type alwaysAllowAuthorizer struct{}
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func (alwaysAllowAuthorizer) Authorize(a authorizer.Attributes) (authorized bool, reason string, err error) {
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return true, "", nil
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}
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func NewAlwaysAllowAuthorizer() authorizer.Authorizer {
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return new(alwaysAllowAuthorizer)
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}
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// alwaysDenyAuthorizer is an implementation of authorizer.Attributes
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// which always says no to an authorization request.
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// It is useful in unit tests to force an operation to be forbidden.
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type alwaysDenyAuthorizer struct{}
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func (alwaysDenyAuthorizer) Authorize(a authorizer.Attributes) (authorized bool, reason string, err error) {
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return false, "Everything is forbidden.", nil
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}
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func NewAlwaysDenyAuthorizer() authorizer.Authorizer {
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return new(alwaysDenyAuthorizer)
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}
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// alwaysFailAuthorizer is an implementation of authorizer.Attributes
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// which always says no to an authorization request.
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// It is useful in unit tests to force an operation to fail with error.
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type alwaysFailAuthorizer struct{}
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func (alwaysFailAuthorizer) Authorize(a authorizer.Attributes) (authorized bool, reason string, err error) {
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return false, "", errors.New("Authorization failure.")
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}
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func NewAlwaysFailAuthorizer() authorizer.Authorizer {
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return new(alwaysFailAuthorizer)
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}
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type privilegedGroupAuthorizer struct {
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groups []string
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}
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func (r *privilegedGroupAuthorizer) Authorize(attr authorizer.Attributes) (bool, string, error) {
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if attr.GetUser() == nil {
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return false, "Error", errors.New("no user on request.")
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}
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for _, attr_group := range attr.GetUser().GetGroups() {
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for _, priv_group := range r.groups {
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if priv_group == attr_group {
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return true, "", nil
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}
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}
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}
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return false, "", nil
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}
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// NewPrivilegedGroups is for use in loopback scenarios
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func NewPrivilegedGroups(groups ...string) *privilegedGroupAuthorizer {
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return &privilegedGroupAuthorizer{
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groups: groups,
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}
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}
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