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0d7f109e42
Listing repository tags will fail if the repository name contains string 'service' Fixed in registryutils.go. Use regrexp instead of splitting strings by 'service'.
114 lines
3.0 KiB
Go
114 lines
3.0 KiB
Go
/*
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Copyright (c) 2016 VMware, Inc. 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 utils
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"regexp"
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"github.com/vmware/harbor/utils/log"
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)
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// BuildRegistryURL ...
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func BuildRegistryURL(segments ...string) string {
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registryURL := os.Getenv("REGISTRY_URL")
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if registryURL == "" {
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registryURL = "http://localhost:5000"
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}
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url := registryURL + "/v2"
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for _, s := range segments {
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if s == "v2" {
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log.Debugf("unnecessary v2 in %v", segments)
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continue
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}
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url += "/" + s
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}
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return url
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}
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// RegistryAPIGet triggers GET request to the URL which is the endpoint of registry and returns the response body.
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// It will attach a valid jwt token to the request if registry requires.
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func RegistryAPIGet(url, username string) ([]byte, error) {
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log.Debugf("Registry API url: %s", url)
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response, err := http.Get(url)
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if err != nil {
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return nil, err
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}
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result, err := ioutil.ReadAll(response.Body)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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if response.StatusCode == http.StatusOK {
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return result, nil
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} else if response.StatusCode == http.StatusUnauthorized {
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authenticate := response.Header.Get("WWW-Authenticate")
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log.Debugf("authenticate header: %s", authenticate)
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var service string
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var scope string
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re := regexp.MustCompile(`service=\"(.*?)\".*scope=\"(.*?)\"`)
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res := re.FindStringSubmatch(authenticate)
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if len(res) > 2 {
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service = res[1]
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scope = res[2]
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}
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token, err := GenTokenForUI(username, service, scope)
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if err != nil {
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return nil, err
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}
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request, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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request.Header.Add("Authorization", "Bearer "+token)
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client := &http.Client{}
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client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
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// log.Infof("via length: %d\n", len(via))
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if len(via) >= 10 {
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return fmt.Errorf("too many redirects")
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}
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for k, v := range via[0].Header {
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if _, ok := req.Header[k]; !ok {
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req.Header[k] = v
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}
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}
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return nil
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}
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response, err = client.Do(request)
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if err != nil {
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return nil, err
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}
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if response.StatusCode != http.StatusOK {
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errMsg := fmt.Sprintf("Unexpected return code from registry: %d", response.StatusCode)
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log.Error(errMsg)
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return nil, fmt.Errorf(errMsg)
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}
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result, err = ioutil.ReadAll(response.Body)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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return result, nil
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} else {
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return nil, errors.New(string(result))
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}
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}
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