110 lines
2.7 KiB
Go
110 lines
2.7 KiB
Go
/*
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Copyright The containerd 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 commands
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import (
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"bufio"
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gocontext "context"
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"crypto/tls"
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"fmt"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/containerd/console"
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"github.com/containerd/containerd/remotes"
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"github.com/containerd/containerd/remotes/docker"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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// PushTracker returns a new InMemoryTracker which tracks the ref status
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var PushTracker = docker.NewInMemoryTracker()
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func passwordPrompt() (string, error) {
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c := console.Current()
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defer c.Reset()
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if err := c.DisableEcho(); err != nil {
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return "", errors.Wrap(err, "failed to disable echo")
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}
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line, _, err := bufio.NewReader(c).ReadLine()
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if err != nil {
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return "", errors.Wrap(err, "failed to read line")
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}
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return string(line), nil
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}
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// GetResolver prepares the resolver from the environment and options
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func GetResolver(ctx gocontext.Context, clicontext *cli.Context) (remotes.Resolver, error) {
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username := clicontext.String("user")
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var secret string
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if i := strings.IndexByte(username, ':'); i > 0 {
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secret = username[i+1:]
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username = username[0:i]
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}
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options := docker.ResolverOptions{
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PlainHTTP: clicontext.Bool("plain-http"),
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Tracker: PushTracker,
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}
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if username != "" {
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if secret == "" {
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fmt.Printf("Password: ")
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var err error
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secret, err = passwordPrompt()
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if err != nil {
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return nil, err
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}
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fmt.Print("\n")
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}
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} else if rt := clicontext.String("refresh"); rt != "" {
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secret = rt
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}
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tr := &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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DualStack: true,
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}).DialContext,
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MaxIdleConns: 10,
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IdleConnTimeout: 30 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: clicontext.Bool("skip-verify"),
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},
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ExpectContinueTimeout: 5 * time.Second,
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}
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options.Client = &http.Client{
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Transport: tr,
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}
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credentials := func(host string) (string, string, error) {
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// Only one host
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return username, secret, nil
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}
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options.Authorizer = docker.NewAuthorizer(options.Client, credentials)
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return docker.NewResolver(options), nil
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}
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