Vendor main dependencies.

vendor/k8s.io/client-go/1.5/pkg/apis/rbac/helpers.go

@@ -0,0 +1,164 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package rbac
+
+import (
+	"fmt"
+	"strings"
+
+	"k8s.io/client-go/1.5/pkg/api/unversioned"
+)
+
+func RoleRefGroupKind(roleRef RoleRef) unversioned.GroupKind {
+	return unversioned.GroupKind{Group: roleRef.APIGroup, Kind: roleRef.Kind}
+}
+
+func VerbMatches(rule PolicyRule, requestedVerb string) bool {
+	for _, ruleVerb := range rule.Verbs {
+		if ruleVerb == VerbAll {
+			return true
+		}
+		if ruleVerb == requestedVerb {
+			return true
+		}
+	}
+
+	return false
+}
+
+func APIGroupMatches(rule PolicyRule, requestedGroup string) bool {
+	for _, ruleGroup := range rule.APIGroups {
+		if ruleGroup == APIGroupAll {
+			return true
+		}
+		if ruleGroup == requestedGroup {
+			return true
+		}
+	}
+
+	return false
+}
+
+func ResourceMatches(rule PolicyRule, requestedResource string) bool {
+	for _, ruleResource := range rule.Resources {
+		if ruleResource == ResourceAll {
+			return true
+		}
+		if ruleResource == requestedResource {
+			return true
+		}
+	}
+
+	return false
+}
+
+func ResourceNameMatches(rule PolicyRule, requestedName string) bool {
+	if len(rule.ResourceNames) == 0 {
+		return true
+	}
+
+	for _, ruleName := range rule.ResourceNames {
+		if ruleName == requestedName {
+			return true
+		}
+	}
+
+	return false
+}
+
+func NonResourceURLMatches(rule PolicyRule, requestedURL string) bool {
+	for _, ruleURL := range rule.NonResourceURLs {
+		if ruleURL == NonResourceAll {
+			return true
+		}
+		if ruleURL == requestedURL {
+			return true
+		}
+		if strings.HasSuffix(ruleURL, "*") && strings.HasPrefix(requestedURL, strings.TrimRight(ruleURL, "*")) {
+			return true
+		}
+	}
+
+	return false
+}
+
+// +k8s:deepcopy-gen=false
+// PolicyRuleBuilder let's us attach methods.  A no-no for API types.
+// We use it to construct rules in code.  It's more compact than trying to write them
+// out in a literal and allows us to perform some basic checking during construction
+type PolicyRuleBuilder struct {
+	PolicyRule PolicyRule
+}
+
+func NewRule(verbs ...string) *PolicyRuleBuilder {
+	return &PolicyRuleBuilder{
+		PolicyRule: PolicyRule{Verbs: verbs},
+	}
+}
+
+func (r *PolicyRuleBuilder) Groups(groups ...string) *PolicyRuleBuilder {
+	r.PolicyRule.APIGroups = append(r.PolicyRule.APIGroups, groups...)
+	return r
+}
+
+func (r *PolicyRuleBuilder) Resources(resources ...string) *PolicyRuleBuilder {
+	r.PolicyRule.Resources = append(r.PolicyRule.Resources, resources...)
+	return r
+}
+
+func (r *PolicyRuleBuilder) Names(names ...string) *PolicyRuleBuilder {
+	r.PolicyRule.ResourceNames = append(r.PolicyRule.ResourceNames, names...)
+	return r
+}
+
+func (r *PolicyRuleBuilder) URLs(urls ...string) *PolicyRuleBuilder {
+	r.PolicyRule.NonResourceURLs = append(r.PolicyRule.NonResourceURLs, urls...)
+	return r
+}
+
+func (r *PolicyRuleBuilder) RuleOrDie() PolicyRule {
+	ret, err := r.Rule()
+	if err != nil {
+		panic(err)
+	}
+	return ret
+}
+
+func (r *PolicyRuleBuilder) Rule() (PolicyRule, error) {
+	if len(r.PolicyRule.Verbs) == 0 {
+		return PolicyRule{}, fmt.Errorf("verbs are required: %#v", r.PolicyRule)
+	}
+
+	switch {
+	case len(r.PolicyRule.NonResourceURLs) > 0:
+		if len(r.PolicyRule.APIGroups) != 0 || len(r.PolicyRule.Resources) != 0 || len(r.PolicyRule.ResourceNames) != 0 {
+			return PolicyRule{}, fmt.Errorf("non-resource rule may not have apiGroups, resources, or resourceNames: %#v", r.PolicyRule)
+		}
+	case len(r.PolicyRule.Resources) > 0:
+		if len(r.PolicyRule.NonResourceURLs) != 0 {
+			return PolicyRule{}, fmt.Errorf("resource rule may not have nonResourceURLs: %#v", r.PolicyRule)
+		}
+		if len(r.PolicyRule.APIGroups) == 0 {
+			// this a common bug
+			return PolicyRule{}, fmt.Errorf("resource rule must have apiGroups: %#v", r.PolicyRule)
+		}
+	default:
+		return PolicyRule{}, fmt.Errorf("a rule must have either nonResourceURLs or resources: %#v", r.PolicyRule)
+	}
+
+	return r.PolicyRule, nil
+}