vendor dependencies

vendor/k8s.io/apiserver/pkg/authorization/authorizer/interfaces.go

@@ -56,7 +56,7 @@ type Attributes interface {
 	GetAPIVersion() string
 
 	// IsResourceRequest returns true for requests to API resources, like /api/v1/nodes,
-	// and false for non-resource endpoints like /api, /healthz, and /swaggerapi
+	// and false for non-resource endpoints like /api, /healthz
 	IsResourceRequest() bool
 
 	// GetPath returns the path of the request

vendor/k8s.io/apiserver/pkg/authorization/authorizerfactory/OWNERS

@@ -1,4 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - deads2k
 - dims
-- ericchiang

vendor/k8s.io/apiserver/pkg/authorization/authorizerfactory/delegating.go

@@ -20,9 +20,8 @@ import (
 	"time"
 
 	"k8s.io/apiserver/pkg/authorization/authorizer"
-	authorizationclient "k8s.io/client-go/kubernetes/typed/authorization/v1beta1"
-
 	"k8s.io/apiserver/plugin/pkg/authorizer/webhook"
+	authorizationclient "k8s.io/client-go/kubernetes/typed/authorization/v1beta1"
 )
 
 // DelegatingAuthorizerConfig is the minimal configuration needed to create an authenticator

vendor/k8s.io/apiserver/pkg/authorization/path/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2018 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 path contains an authorizer that allows certain paths and path prefixes.
+package path // import "k8s.io/apiserver/pkg/authorization/path"

vendor/k8s.io/apiserver/pkg/authorization/path/path.go

@@ -0,0 +1,67 @@
+/*
+Copyright 2018 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 path
+
+import (
+	"fmt"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+)
+
+// NewAuthorizer returns an authorizer which accepts a given set of paths.
+// Each path is either a fully matching path or it ends in * in case a prefix match is done. A leading / is optional.
+func NewAuthorizer(alwaysAllowPaths []string) (authorizer.Authorizer, error) {
+	var prefixes []string
+	paths := sets.NewString()
+	for _, p := range alwaysAllowPaths {
+		p = strings.TrimPrefix(p, "/")
+		if len(p) == 0 {
+			// matches "/"
+			paths.Insert(p)
+			continue
+		}
+		if strings.ContainsRune(p[:len(p)-1], '*') {
+			return nil, fmt.Errorf("only trailing * allowed in %q", p)
+		}
+		if strings.HasSuffix(p, "*") {
+			prefixes = append(prefixes, p[:len(p)-1])
+		} else {
+			paths.Insert(p)
+		}
+	}
+
+	return authorizer.AuthorizerFunc(func(a authorizer.Attributes) (authorizer.Decision, string, error) {
+		if a.IsResourceRequest() {
+			return authorizer.DecisionNoOpinion, "", nil
+		}
+
+		pth := strings.TrimPrefix(a.GetPath(), "/")
+		if paths.Has(pth) {
+			return authorizer.DecisionAllow, "", nil
+		}
+
+		for _, prefix := range prefixes {
+			if strings.HasPrefix(pth, prefix) {
+				return authorizer.DecisionAllow, "", nil
+			}
+		}
+
+		return authorizer.DecisionNoOpinion, "", nil
+	}), nil
+}