mirror of https://github.com/docker/cli.git
Refactor `cli/command/registry`
Signed-off-by: Laura Brehm <laurabrehm@hey.com>
This commit is contained in:
Laura Brehm
parent
fcfdd7b91f
commit
6e4818e7d6
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@ -41,7 +41,7 @@ func RegistryAuthenticationPrivilegedFunc(cli Cli, index *registrytypes.IndexInf
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default:
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}
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err = ConfigureAuth(ctx, cli, "", "", &authConfig, isDefaultRegistry)
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authConfig, err = PromptUserForCredentials(ctx, cli, "", "", authConfig.Username, indexServer)
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if err != nil {
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return "", err
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}
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@ -86,8 +86,32 @@ func GetDefaultAuthConfig(cfg *configfile.ConfigFile, checkCredStore bool, serve
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return registrytypes.AuthConfig(authconfig), nil
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}
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// ConfigureAuth handles prompting of user's username and password if needed
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func ConfigureAuth(ctx context.Context, cli Cli, flUser, flPassword string, authconfig *registrytypes.AuthConfig, isDefaultRegistry bool) error {
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// ConfigureAuth handles prompting of user's username and password if needed.
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// Deprecated: use PromptUserForCredentials instead.
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func ConfigureAuth(ctx context.Context, cli Cli, flUser, flPassword string, authConfig *registrytypes.AuthConfig, _ bool) error {
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defaultUsername := authConfig.Username
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serverAddress := authConfig.ServerAddress
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newAuthConfig, err := PromptUserForCredentials(ctx, cli, flUser, flPassword, defaultUsername, serverAddress)
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if err != nil {
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return err
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}
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authConfig.Username = newAuthConfig.Username
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authConfig.Password = newAuthConfig.Password
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return nil
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}
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// PromptUserForCredentials handles the CLI prompt for the user to input
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// credentials.
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// If argUser is not empty, then the user is only prompted for their password.
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// If argPassword is not empty, then the user is only prompted for their username
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// If neither argUser nor argPassword are empty, then the user is not prompted and
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// an AuthConfig is returned with those values.
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// If defaultUsername is not empty, the username prompt includes that username
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// and the user can hit enter without inputting a username to use that default
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// username.
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func PromptUserForCredentials(ctx context.Context, cli Cli, argUser, argPassword, defaultUsername, serverAddress string) (authConfig registrytypes.AuthConfig, err error) {
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// On Windows, force the use of the regular OS stdin stream.
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//
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// See:
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@ -107,13 +131,14 @@ func ConfigureAuth(ctx context.Context, cli Cli, flUser, flPassword string, auth
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// Linux will hit this if you attempt `cat | docker login`, and Windows
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// will hit this if you attempt docker login from mintty where stdin
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// is a pipe, not a character based console.
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if flPassword == "" && !cli.In().IsTerminal() {
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return errors.Errorf("Error: Cannot perform an interactive login from a non TTY device")
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if argPassword == "" && !cli.In().IsTerminal() {
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return authConfig, errors.Errorf("Error: Cannot perform an interactive login from a non TTY device")
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}
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authconfig.Username = strings.TrimSpace(authconfig.Username)
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isDefaultRegistry := serverAddress == registry.IndexServer
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defaultUsername = strings.TrimSpace(defaultUsername)
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if flUser = strings.TrimSpace(flUser); flUser == "" {
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if argUser = strings.TrimSpace(argUser); argUser == "" {
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if isDefaultRegistry {
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// if this is a default registry (docker hub), then display the following message.
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fmt.Fprintln(cli.Out(), "Log in with your Docker ID or email address to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com/ to create one.")
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@ -124,44 +149,43 @@ func ConfigureAuth(ctx context.Context, cli Cli, flUser, flPassword string, auth
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}
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var prompt string
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if authconfig.Username == "" {
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if defaultUsername == "" {
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prompt = "Username: "
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} else {
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prompt = fmt.Sprintf("Username (%s): ", authconfig.Username)
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prompt = fmt.Sprintf("Username (%s): ", defaultUsername)
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}
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var err error
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flUser, err = PromptForInput(ctx, cli.In(), cli.Out(), prompt)
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argUser, err = PromptForInput(ctx, cli.In(), cli.Out(), prompt)
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if err != nil {
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return err
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return authConfig, err
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}
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if flUser == "" {
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flUser = authconfig.Username
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if argUser == "" {
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argUser = defaultUsername
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}
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}
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if flUser == "" {
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return errors.Errorf("Error: Non-null Username Required")
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if argUser == "" {
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return authConfig, errors.Errorf("Error: Non-null Username Required")
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}
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if flPassword == "" {
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if argPassword == "" {
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restoreInput, err := DisableInputEcho(cli.In())
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if err != nil {
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return err
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return authConfig, err
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}
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defer restoreInput()
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flPassword, err = PromptForInput(ctx, cli.In(), cli.Out(), "Password: ")
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argPassword, err = PromptForInput(ctx, cli.In(), cli.Out(), "Password: ")
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if err != nil {
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return err
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return authConfig, err
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}
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fmt.Fprint(cli.Out(), "\n")
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if flPassword == "" {
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return errors.Errorf("Error: Password Required")
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if argPassword == "" {
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return authConfig, errors.Errorf("Error: Password Required")
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}
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}
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authconfig.Username = flUser
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authconfig.Password = flPassword
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return nil
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authConfig.Username = argUser
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authConfig.Password = argPassword
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authConfig.ServerAddress = serverAddress
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return authConfig, nil
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}
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// RetrieveAuthTokenFromImage retrieves an encoded auth token given a complete
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@ -80,80 +80,137 @@ func verifyloginOptions(dockerCli command.Cli, opts *loginOptions) error {
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return nil
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}
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func runLogin(ctx context.Context, dockerCli command.Cli, opts loginOptions) error { //nolint:gocyclo
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clnt := dockerCli.Client()
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func runLogin(ctx context.Context, dockerCli command.Cli, opts loginOptions) error {
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if err := verifyloginOptions(dockerCli, &opts); err != nil {
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return err
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}
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var (
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serverAddress string
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response registrytypes.AuthenticateOKBody
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response *registrytypes.AuthenticateOKBody
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)
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if opts.serverAddress != "" && opts.serverAddress != registry.DefaultNamespace {
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serverAddress = opts.serverAddress
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} else {
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serverAddress = registry.IndexServer
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}
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isDefaultRegistry := serverAddress == registry.IndexServer
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// attempt login with current (stored) credentials
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authConfig, err := command.GetDefaultAuthConfig(dockerCli.ConfigFile(), opts.user == "" && opts.password == "", serverAddress, isDefaultRegistry)
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if err == nil && authConfig.Username != "" && authConfig.Password != "" {
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response, err = loginWithCredStoreCreds(ctx, dockerCli, &authConfig)
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response, err = loginWithStoredCredentials(ctx, dockerCli, authConfig)
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}
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if err != nil || authConfig.Username == "" || authConfig.Password == "" {
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if isDefaultRegistry && opts.user == "" && opts.password == "" {
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// todo(laurazard: clean this up
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store := dockerCli.ConfigFile().GetCredentialsStore(serverAddress)
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oauthAuthConfig, err := manager.NewManager(store).LoginDevice(ctx, dockerCli.Err())
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if err != nil {
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return err
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}
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authConfig = registrytypes.AuthConfig(*oauthAuthConfig)
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} else {
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err = command.ConfigureAuth(ctx, dockerCli, opts.user, opts.password, &authConfig, isDefaultRegistry)
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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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response, err = clnt.RegistryLogin(ctx, authConfig)
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if err != nil && client.IsErrConnectionFailed(err) {
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// If the server isn't responding (yet) attempt to login purely client side
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response, err = loginClientSide(ctx, authConfig)
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}
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// If we (still) have an error, give up
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// if we failed to authenticate with stored credentials (or didn't have stored credentials),
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// prompt the user for new credentials
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if err != nil || authConfig.Username == "" || authConfig.Password == "" {
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response, err = loginUser(ctx, dockerCli, opts, authConfig.Username, serverAddress)
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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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if response != nil && response.Status != "" {
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_, _ = fmt.Fprintln(dockerCli.Out(), response.Status)
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}
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return nil
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}
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func loginWithStoredCredentials(ctx context.Context, dockerCli command.Cli, authConfig registrytypes.AuthConfig) (*registrytypes.AuthenticateOKBody, error) {
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_, _ = fmt.Fprintf(dockerCli.Out(), "Authenticating with existing credentials...\n")
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response, err := dockerCli.Client().RegistryLogin(ctx, authConfig)
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if err != nil {
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if errdefs.IsUnauthorized(err) {
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_, _ = fmt.Fprintf(dockerCli.Err(), "Stored credentials invalid or expired\n")
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} else {
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_, _ = fmt.Fprintf(dockerCli.Err(), "Login did not succeed, error: %s\n", err)
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}
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}
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if response.IdentityToken != "" {
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authConfig.Password = ""
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authConfig.IdentityToken = response.IdentityToken
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}
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creds := dockerCli.ConfigFile().GetCredentialsStore(serverAddress)
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if err := storeCredentials(dockerCli, authConfig); err != nil {
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return nil, err
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}
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return &response, err
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}
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func loginUser(ctx context.Context, dockerCli command.Cli, opts loginOptions, defaultUsername, serverAddress string) (*registrytypes.AuthenticateOKBody, error) {
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// If we're logging into the index server and the user didn't provide a username or password, use the device flow
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if serverAddress == registry.IndexServer && opts.user == "" && opts.password == "" {
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return loginWithDeviceCodeFlow(ctx, dockerCli)
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} else {
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return loginWithUsernameAndPassword(ctx, dockerCli, opts, defaultUsername, serverAddress)
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}
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}
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func loginWithUsernameAndPassword(ctx context.Context, dockerCli command.Cli, opts loginOptions, defaultUsername, serverAddress string) (*registrytypes.AuthenticateOKBody, error) {
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// Prompt user for credentials
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authConfig, err := command.PromptUserForCredentials(ctx, dockerCli, opts.user, opts.password, defaultUsername, serverAddress)
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if err != nil {
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return nil, err
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}
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response, err := loginWithRegistry(ctx, dockerCli, authConfig)
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if err != nil {
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return nil, err
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}
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if response.IdentityToken != "" {
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authConfig.Password = ""
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authConfig.IdentityToken = response.IdentityToken
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}
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if err = storeCredentials(dockerCli, authConfig); err != nil {
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return nil, err
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}
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return &response, nil
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}
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func loginWithDeviceCodeFlow(ctx context.Context, dockerCli command.Cli) (*registrytypes.AuthenticateOKBody, error) {
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store := dockerCli.ConfigFile().GetCredentialsStore(registry.IndexServer)
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authConfig, err := manager.NewManager(store).LoginDevice(ctx, dockerCli.Err())
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if err != nil {
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return nil, err
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}
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response, err := loginWithRegistry(ctx, dockerCli, registrytypes.AuthConfig(*authConfig))
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if err != nil {
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return nil, err
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}
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if err = storeCredentials(dockerCli, registrytypes.AuthConfig(*authConfig)); err != nil {
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return nil, err
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}
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return &response, nil
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}
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func storeCredentials(dockerCli command.Cli, authConfig registrytypes.AuthConfig) error {
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creds := dockerCli.ConfigFile().GetCredentialsStore(authConfig.ServerAddress)
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if err := creds.Store(configtypes.AuthConfig(authConfig)); err != nil {
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return errors.Errorf("Error saving credentials: %v", err)
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}
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if response.Status != "" {
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fmt.Fprintln(dockerCli.Out(), response.Status)
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}
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return nil
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}
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func loginWithCredStoreCreds(ctx context.Context, dockerCli command.Cli, authConfig *registrytypes.AuthConfig) (registrytypes.AuthenticateOKBody, error) {
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fmt.Fprintf(dockerCli.Out(), "Authenticating with existing credentials...\n")
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cliClient := dockerCli.Client()
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response, err := cliClient.RegistryLogin(ctx, *authConfig)
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if err != nil {
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if errdefs.IsUnauthorized(err) {
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fmt.Fprintf(dockerCli.Err(), "Stored credentials invalid or expired\n")
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} else {
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fmt.Fprintf(dockerCli.Err(), "Login did not succeed, error: %s\n", err)
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}
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func loginWithRegistry(ctx context.Context, dockerCli command.Cli, authConfig registrytypes.AuthConfig) (registrytypes.AuthenticateOKBody, error) {
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response, err := dockerCli.Client().RegistryLogin(ctx, authConfig)
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if err != nil && client.IsErrConnectionFailed(err) {
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// If the server isn't responding (yet) attempt to login purely client side
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response, err = loginClientSide(ctx, authConfig)
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}
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return response, err
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// If we (still) have an error, give up
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if err != nil {
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return registrytypes.AuthenticateOKBody{}, err
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}
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return response, nil
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}
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func loginClientSide(ctx context.Context, auth registrytypes.AuthConfig) (registrytypes.AuthenticateOKBody, error) {
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@ -74,7 +74,7 @@ func TestLoginWithCredStoreCreds(t *testing.T) {
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cli := test.NewFakeCli(&fakeClient{})
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errBuf := new(bytes.Buffer)
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cli.SetErr(streams.NewOut(errBuf))
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loginWithCredStoreCreds(ctx, cli, &tc.inputAuthConfig)
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loginWithStoredCredentials(ctx, cli, tc.inputAuthConfig)
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outputString := cli.OutBuffer().String()
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assert.Check(t, is.Equal(tc.expectedMsg, outputString))
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errorString := errBuf.String()
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