76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
/*
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Copyright 2014 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 responsewriters
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import (
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"fmt"
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"net/http"
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"k8s.io/kubernetes/pkg/auth/authorizer"
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"k8s.io/kubernetes/pkg/util/runtime"
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)
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// BadGatewayError renders a simple bad gateway error.
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func BadGatewayError(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "text/plain")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.WriteHeader(http.StatusBadGateway)
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fmt.Fprintf(w, "Bad Gateway: %#v", req.RequestURI)
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}
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// Forbidden renders a simple forbidden error
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func Forbidden(attributes authorizer.Attributes, w http.ResponseWriter, req *http.Request, reason string) {
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msg := forbiddenMessage(attributes)
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w.Header().Set("Content-Type", "text/plain")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.WriteHeader(http.StatusForbidden)
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fmt.Fprintf(w, "%s: %q", msg, reason)
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}
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func forbiddenMessage(attributes authorizer.Attributes) string {
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username := ""
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if user := attributes.GetUser(); user != nil {
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username = user.GetName()
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}
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resource := attributes.GetResource()
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if group := attributes.GetAPIGroup(); len(group) > 0 {
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resource = resource + "." + group
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}
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if ns := attributes.GetNamespace(); len(ns) > 0 {
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return fmt.Sprintf("User %q cannot %s %s in the namespace %q.", username, attributes.GetVerb(), resource, ns)
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}
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return fmt.Sprintf("User %q cannot %s %s at the cluster scope.", username, attributes.GetVerb(), resource)
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}
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// InternalError renders a simple internal error
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func InternalError(w http.ResponseWriter, req *http.Request, err error) {
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w.Header().Set("Content-Type", "text/plain")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.WriteHeader(http.StatusInternalServerError)
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fmt.Fprintf(w, "Internal Server Error: %#v: %v", req.RequestURI, err)
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runtime.HandleError(err)
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}
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// NotFound renders a simple not found error.
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func NotFound(w http.ResponseWriter, req *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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fmt.Fprintf(w, "Not Found: %#v", req.RequestURI)
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}
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