144 lines
3.9 KiB
Go
144 lines
3.9 KiB
Go
/*
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Copyright 2019 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 registries
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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corev1 "k8s.io/api/core/v1"
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log "k8s.io/klog"
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"kubesphere.io/kubesphere/pkg/informers"
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"net/http"
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"net/url"
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"strings"
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)
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const (
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loginSuccess = "Login Succeeded"
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StatusFailed = "failed"
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StatusSuccess = "succeeded"
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)
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type DockerConfigJson struct {
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Auths DockerConfigMap `json:"auths"`
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}
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// DockerConfig represents the config file used by the docker CLI.
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// This config that represents the credentials that should be used
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// when pulling images from specific image repositories.
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type DockerConfigMap map[string]DockerConfigEntry
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type DockerConfigEntry struct {
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Username string `json:"username"`
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Password string `json:"password"`
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Email string `json:"email"`
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ServerAddress string `json:"serverAddress,omitempty"`
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}
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func RegistryVerify(authInfo AuthInfo) error {
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auth := base64.StdEncoding.EncodeToString([]byte(authInfo.Username + ":" + authInfo.Password))
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ctx := context.Background()
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cli, err := client.NewClientWithOpts(client.WithAPIVersionNegotiation())
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if err != nil {
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log.Error(err)
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}
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config := types.AuthConfig{
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Username: authInfo.Username,
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Password: authInfo.Password,
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Auth: auth,
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ServerAddress: authInfo.ServerHost,
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}
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if !strings.HasPrefix(authInfo.ServerHost, "https://") && !strings.HasPrefix(authInfo.ServerHost, "http://") {
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authInfo.ServerHost = "https://" + authInfo.ServerHost
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}
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u, err := url.Parse(authInfo.ServerHost)
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if err != nil {
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return err
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}
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if u.Host != DefaultDockerHub {
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_, err := http.Get(authInfo.ServerHost + "/v2/")
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if err != nil {
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return err
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}
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}
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// TODO: deprecated, use native Docker Registry v2 authentication.
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resp, err := cli.RegistryLogin(ctx, config)
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cli.Close()
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if err != nil {
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return err
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}
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if resp.Status == loginSuccess {
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return nil
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} else {
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return fmt.Errorf(resp.Status)
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}
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}
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func GetEntryBySecret(namespace, secretName string) (dockerConfigEntry *DockerConfigEntry, err error) {
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if namespace == "" || secretName == "" {
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return &DockerConfigEntry{}, nil
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}
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secret, err := informers.SharedInformerFactory().Core().V1().Secrets().Lister().Secrets(namespace).Get(secretName)
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if err != nil {
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log.Errorf("%+v", err)
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return nil, err
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}
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entry, err := getDockerEntryFromDockerSecret(secret)
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if err != nil {
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log.Errorf("%+v", err)
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return nil, err
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}
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return entry, nil
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}
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func getDockerEntryFromDockerSecret(instance *corev1.Secret) (dockerConfigEntry *DockerConfigEntry, err error) {
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if instance.Type != corev1.SecretTypeDockerConfigJson {
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return nil, fmt.Errorf("secret %s in ns %s type should be %s",
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instance.Name, instance.Namespace, corev1.SecretTypeDockerConfigJson)
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}
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dockerConfigBytes, ok := instance.Data[corev1.DockerConfigJsonKey]
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if !ok {
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return nil, fmt.Errorf("could not get data %s", corev1.DockerConfigJsonKey)
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}
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dockerConfig := &DockerConfigJson{}
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err = json.Unmarshal(dockerConfigBytes, dockerConfig)
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if err != nil {
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return nil, err
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}
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if len(dockerConfig.Auths) == 0 {
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return nil, fmt.Errorf("docker config auth len should not be 0")
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}
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for registryAddress, dockerConfigEntry := range dockerConfig.Auths {
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dockerConfigEntry.ServerAddress = registryAddress
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return &dockerConfigEntry, nil
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}
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return nil, nil
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}
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