108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
/*
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Copyright 2020 The KubeSphere 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 helmrepoindex
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import (
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"bytes"
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"context"
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"fmt"
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"net/url"
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"strings"
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"time"
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"helm.sh/helm/v3/pkg/getter"
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"kubesphere.io/api/application/v1alpha1"
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"kubesphere.io/kubesphere/pkg/simple/client/s3"
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)
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func parseS3Url(parse *url.URL) (region, endpoint, bucket, path string) {
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if strings.HasPrefix(parse.Host, "s3.") {
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region = strings.Split(parse.Host, ".")[1]
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endpoint = fmt.Sprintf("https://%s", parse.Host)
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} else {
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region = "us-east-1"
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endpoint = fmt.Sprintf("http://%s", parse.Host)
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}
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parts := strings.Split(strings.TrimPrefix(parse.Path, "/"), "/")
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if len(parts) > 0 {
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bucket = parts[0]
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path = strings.Join(parts[1:], "/")
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} else {
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bucket = parse.Path
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}
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return region, endpoint, bucket, path
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}
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func loadData(ctx context.Context, u string, cred *v1alpha1.HelmRepoCredential) (*bytes.Buffer, error) {
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parsedURL, err := url.Parse(u)
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if err != nil {
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return nil, err
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}
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var resp *bytes.Buffer
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if strings.HasPrefix(u, "s3://") {
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region, endpoint, bucket, p := parseS3Url(parsedURL)
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client, err := s3.NewS3Client(&s3.Options{
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Endpoint: endpoint,
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Bucket: bucket,
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Region: region,
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AccessKeyID: cred.AccessKeyID,
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SecretAccessKey: cred.SecretAccessKey,
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DisableSSL: !strings.HasPrefix(region, "https://"),
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ForcePathStyle: true,
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})
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if err != nil {
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return nil, err
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}
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data, err := client.Read(p)
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if err != nil {
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return nil, err
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}
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resp = bytes.NewBuffer(data)
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} else {
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skipTLS := true
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if cred.InsecureSkipTLSVerify != nil && !*cred.InsecureSkipTLSVerify {
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skipTLS = false
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}
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indexURL := parsedURL.String()
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// TODO add user-agent
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g, _ := getter.NewHTTPGetter()
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resp, err = g.Get(indexURL,
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getter.WithTimeout(5*time.Minute),
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getter.WithURL(u),
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getter.WithInsecureSkipVerifyTLS(skipTLS),
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getter.WithTLSClientConfig(cred.CertFile, cred.KeyFile, cred.CAFile),
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getter.WithBasicAuth(cred.Username, cred.Password),
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)
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if err != nil {
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return nil, err
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}
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}
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return resp, nil
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}
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func LoadChart(ctx context.Context, u string, cred *v1alpha1.HelmRepoCredential) (*bytes.Buffer, error) {
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return loadData(ctx, u, cred)
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}
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