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76 lines
1.9 KiB
76 lines
1.9 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 getter
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"k8s.io/helm/pkg/tlsutil"
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"k8s.io/helm/pkg/urlutil"
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)
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//httpGetter is the efault HTTP(/S) backend handler
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type httpGetter struct {
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client *http.Client
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}
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//Get performs a Get from repo.Getter and returns the body.
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func (g *httpGetter) Get(href string) (*bytes.Buffer, error) {
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buf := bytes.NewBuffer(nil)
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resp, err := g.client.Get(href)
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if err != nil {
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return buf, err
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}
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if resp.StatusCode != 200 {
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return buf, fmt.Errorf("Failed to fetch %s : %s", href, resp.Status)
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}
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_, err = io.Copy(buf, resp.Body)
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resp.Body.Close()
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return buf, err
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}
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// newHTTPGetter constructs a valid http/https client as Getter
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func newHTTPGetter(URL, CertFile, KeyFile, CAFile string) (Getter, error) {
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var client httpGetter
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if CertFile != "" && KeyFile != "" {
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tlsConf, err := tlsutil.NewClientTLS(CertFile, KeyFile, CAFile)
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if err != nil {
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return nil, fmt.Errorf("can't create TLS config for client: %s", err.Error())
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}
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tlsConf.BuildNameToCertificate()
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sni, err := urlutil.ExtractHostname(URL)
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if err != nil {
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return nil, err
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}
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tlsConf.ServerName = sni
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client.client = &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: tlsConf,
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},
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}
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} else {
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client.client = http.DefaultClient
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}
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return &client, nil
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}
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