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login_command.go
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login_command.go
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package v7
import (
"errors"
"fmt"
"io"
"net/url"
"strings"
"code.cloudfoundry.org/cli/api/uaa"
"code.cloudfoundry.org/cli/resources"
"code.cloudfoundry.org/cli/util/ui"
"code.cloudfoundry.org/clock"
"code.cloudfoundry.org/cli/actor/actionerror"
"code.cloudfoundry.org/cli/actor/v7action"
"code.cloudfoundry.org/cli/api/uaa/constant"
"code.cloudfoundry.org/cli/cf/configuration/coreconfig"
"code.cloudfoundry.org/cli/command"
"code.cloudfoundry.org/cli/command/translatableerror"
"code.cloudfoundry.org/cli/command/v7/shared"
)
//go:generate counterfeiter . ActorReloader
type ActorReloader interface {
Reload(command.Config, command.UI) (Actor, error)
}
type ActualActorReloader struct{}
func (a ActualActorReloader) Reload(config command.Config, ui command.UI) (Actor, error) {
ccClient, uaaClient, routingClient, err := shared.GetNewClientsAndConnectToCF(config, ui, "")
if err != nil {
return nil, err
}
return v7action.NewActor(ccClient, config, nil, uaaClient, routingClient, clock.NewClock()), nil
}
const maxLoginTries = 3
type LoginCommand struct {
UI command.UI
Actor Actor
Config command.Config
ActorReloader ActorReloader
APIEndpoint string `short:"a" description:"API endpoint (e.g. https://api.example.com)"`
Organization string `short:"o" description:"Org"`
Password string `short:"p" description:"Password"`
Space string `short:"s" description:"Space"`
SkipSSLValidation bool `long:"skip-ssl-validation" description:"Skip verification of the API endpoint. Not recommended!"`
SSO bool `long:"sso" description:"Prompt for a one-time passcode to login"`
SSOPasscode string `long:"sso-passcode" description:"One-time passcode"`
Username string `short:"u" description:"Username"`
Origin string `long:"origin" description:"Indicates the identity provider to be used for login"`
usage interface{} `usage:"CF_NAME login [-a API_URL] [-u USERNAME] [-p PASSWORD] [-o ORG] [-s SPACE] [--sso | --sso-passcode PASSCODE] [--origin ORIGIN]\n\nWARNING:\n Providing your password as a command line option is highly discouraged\n Your password may be visible to others and may be recorded in your shell history\n\nEXAMPLES:\n CF_NAME login (omit username and password to login interactively -- CF_NAME will prompt for both)\n CF_NAME login -u name@example.com -p pa55woRD (specify username and password as arguments)\n CF_NAME login -u name@example.com -p \"my password\" (use quotes for passwords with a space)\n CF_NAME login -u name@example.com -p \"\\\"password\\\"\" (escape quotes if used in password)\n CF_NAME login --sso (CF_NAME will provide a url to obtain a one-time passcode to login)\n CF_NAME login --origin ldap"`
relatedCommands interface{} `related_commands:"api, auth, target"`
}
func (cmd *LoginCommand) Setup(config command.Config, ui command.UI) error {
ccClient, _ := shared.NewWrappedCloudControllerClient(config, ui)
cmd.Actor = v7action.NewActor(ccClient, config, nil, nil, nil, clock.NewClock())
cmd.ActorReloader = ActualActorReloader{}
cmd.UI = ui
cmd.Config = config
return nil
}
func (cmd *LoginCommand) Execute(args []string) error {
if cmd.Config.UAAGrantType() == string(constant.GrantTypeClientCredentials) {
return translatableerror.PasswordGrantTypeLogoutRequiredError{}
}
if cmd.Config.UAAOAuthClient() != "cf" || cmd.Config.UAAOAuthClientSecret() != "" {
return translatableerror.ManualClientCredentialsError{}
}
err := cmd.validateFlags()
if err != nil {
return err
}
endpoint, err := cmd.determineAPIEndpoint()
if err != nil {
return err
}
err = cmd.targetAPI(endpoint)
if err != nil {
translatedErr := translatableerror.ConvertToTranslatableError(err)
if invalidSSLErr, ok := translatedErr.(translatableerror.InvalidSSLCertError); ok {
invalidSSLErr.SuggestedCommand = "login"
return invalidSSLErr
}
return err
}
versionWarning, err := shared.CheckCCAPIVersion(cmd.Config.APIVersion())
if err != nil {
cmd.UI.DisplayWarning("Warning: unable to determine whether targeted API's version meets minimum supported.")
}
if versionWarning != "" {
cmd.UI.DisplayWarning(versionWarning)
}
cmd.UI.DisplayNewline()
cmd.Actor, err = cmd.ActorReloader.Reload(cmd.Config, cmd.UI)
if err != nil {
return err
}
defer cmd.showStatus()
var authErr error
if cmd.SSO || cmd.SSOPasscode != "" {
authErr = cmd.authenticateSSO()
} else {
authErr = cmd.authenticate()
}
if authErr != nil {
return errors.New("Unable to authenticate.")
}
err = cmd.Config.WriteConfig()
if err != nil {
return fmt.Errorf("Error writing config: %s", err.Error())
}
if cmd.Organization != "" {
org, warnings, err := cmd.Actor.GetOrganizationByName(cmd.Organization)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
cmd.Config.SetOrganizationInformation(org.GUID, org.Name)
} else {
orgs, warnings, err := cmd.Actor.GetOrganizations("")
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
filteredOrgs, err := cmd.filterOrgsForSpace(orgs)
if err != nil {
return err
}
if len(filteredOrgs) == 1 {
cmd.Config.SetOrganizationInformation(filteredOrgs[0].GUID, filteredOrgs[0].Name)
} else if len(filteredOrgs) > 1 {
chosenOrg, err := cmd.promptChosenOrg(filteredOrgs)
if err != nil {
return err
}
if chosenOrg.GUID != "" {
cmd.Config.SetOrganizationInformation(chosenOrg.GUID, chosenOrg.Name)
}
}
}
targetedOrg := cmd.Config.TargetedOrganization()
if targetedOrg.GUID != "" {
cmd.UI.DisplayTextWithFlavor("Targeted org {{.Organization}}.", map[string]interface{}{
"Organization": cmd.Config.TargetedOrganizationName(),
})
cmd.UI.DisplayNewline()
if cmd.Space != "" {
space, warnings, err := cmd.Actor.GetSpaceByNameAndOrganization(cmd.Space, targetedOrg.GUID)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
cmd.targetSpace(space)
} else {
spaces, warnings, err := cmd.Actor.GetOrganizationSpaces(targetedOrg.GUID)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
if len(spaces) == 1 {
cmd.targetSpace(spaces[0])
} else if len(spaces) > 1 {
chosenSpace, err := cmd.promptChosenSpace(spaces)
if err != nil {
return err
}
if chosenSpace.Name != "" {
cmd.targetSpace(chosenSpace)
}
}
}
}
return nil
}
func (cmd *LoginCommand) determineAPIEndpoint() (v7action.TargetSettings, error) {
endpoint := cmd.APIEndpoint
skipSSLValidation := cmd.SkipSSLValidation
var configTarget = cmd.Config.Target()
if endpoint == "" && configTarget != "" {
endpoint = configTarget
skipSSLValidation = cmd.Config.SkipSSLValidation() || cmd.SkipSSLValidation
}
if len(endpoint) > 0 {
cmd.UI.DisplayTextWithFlavor("API endpoint: {{.APIEndpoint}}", map[string]interface{}{
"APIEndpoint": endpoint,
})
} else {
userInput, err := cmd.UI.DisplayTextPrompt("API endpoint")
if err != nil {
return v7action.TargetSettings{}, err
}
endpoint = userInput
}
strippedEndpoint := strings.TrimRight(endpoint, "/")
parsedURL, err := url.Parse(strippedEndpoint)
if err != nil {
return v7action.TargetSettings{}, err
}
if parsedURL.Scheme == "" {
parsedURL.Scheme = "https"
}
return v7action.TargetSettings{URL: parsedURL.String(), SkipSSLValidation: skipSSLValidation}, nil
}
func (cmd *LoginCommand) targetAPI(settings v7action.TargetSettings) error {
warnings, err := cmd.Actor.SetTarget(settings)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
if strings.HasPrefix(settings.URL, "http:") {
cmd.UI.DisplayWarning("Warning: Insecure http API endpoint detected: secure https API endpoints are recommended")
}
return nil
}
func (cmd *LoginCommand) authenticate() error {
var err error
var credentials = make(map[string]string)
prompts := cmd.Actor.GetLoginPrompts()
nonPasswordPrompts, passwordPrompts := cmd.groupPrompts(prompts)
if value, ok := prompts["username"]; ok {
credentials["username"], err = cmd.getFlagValOrPrompt(&cmd.Username, value, true)
if err != nil {
return err
}
}
for key, prompt := range nonPasswordPrompts {
credentials[key], err = cmd.UI.DisplayTextPrompt(prompt.DisplayName)
if err != nil {
return err
}
}
for i := 0; i < maxLoginTries; i++ {
// ensure that password gets prompted before other codes (eg. mfa code)
if prompt, ok := prompts["password"]; ok {
credentials["password"], err = cmd.getFlagValOrPrompt(&cmd.Password, prompt, false)
if err != nil {
return err
}
}
for key, prompt := range passwordPrompts {
credentials[key], err = cmd.UI.DisplayPasswordPrompt(prompt.DisplayName)
if err != nil {
return err
}
}
cmd.UI.DisplayNewline()
cmd.UI.DisplayText("Authenticating...")
err = cmd.Actor.Authenticate(credentials, cmd.Origin, constant.GrantTypePassword)
if err != nil {
cmd.UI.DisplayWarning(translatableerror.ConvertToTranslatableError(err).Error())
cmd.UI.DisplayNewline()
if _, ok := err.(uaa.AccountLockedError); ok {
break
}
}
if err == nil {
cmd.UI.DisplayOK()
break
}
}
return err
}
func (cmd *LoginCommand) authenticateSSO() error {
prompts := cmd.Actor.GetLoginPrompts()
var err error
for i := 0; i < maxLoginTries; i++ {
var passcode string
passcode, err = cmd.getFlagValOrPrompt(&cmd.SSOPasscode, prompts["passcode"], false)
if err != nil {
return err
}
credentials := map[string]string{"passcode": passcode}
cmd.UI.DisplayText("Authenticating...")
err = cmd.Actor.Authenticate(credentials, "", constant.GrantTypePassword)
if err != nil {
cmd.UI.DisplayWarning(translatableerror.ConvertToTranslatableError(err).Error())
cmd.UI.DisplayNewline()
} else {
cmd.UI.DisplayOK()
cmd.UI.DisplayNewline()
break
}
}
return err
}
func (cmd *LoginCommand) groupPrompts(prompts map[string]coreconfig.AuthPrompt) (map[string]coreconfig.AuthPrompt, map[string]coreconfig.AuthPrompt) {
var (
nonPasswordPrompts = make(map[string]coreconfig.AuthPrompt)
passwordPrompts = make(map[string]coreconfig.AuthPrompt)
)
for key, prompt := range prompts {
if prompt.Type == coreconfig.AuthPromptTypePassword {
if key == "passcode" || key == "password" {
continue
}
passwordPrompts[key] = prompt
} else {
if key == "username" {
continue
}
nonPasswordPrompts[key] = prompt
}
}
return nonPasswordPrompts, passwordPrompts
}
func (cmd *LoginCommand) getFlagValOrPrompt(field *string, prompt coreconfig.AuthPrompt, isText bool) (string, error) {
if *field != "" {
value := *field
*field = ""
return value, nil
} else {
if isText {
return cmd.UI.DisplayTextPrompt(prompt.DisplayName)
}
return cmd.UI.DisplayPasswordPrompt(prompt.DisplayName)
}
}
func (cmd *LoginCommand) showStatus() {
tableContent := [][]string{
{
cmd.UI.TranslateText("API endpoint:"),
strings.TrimRight(cmd.Config.Target(), "/"),
},
{
cmd.UI.TranslateText("API version:"),
cmd.Config.APIVersion(),
},
}
user, err := cmd.Config.CurrentUserName()
if user == "" || err != nil {
cmd.UI.DisplayKeyValueTable("", tableContent, 3)
command.DisplayNotLoggedInText(cmd.Config.BinaryName(), cmd.UI)
return
}
tableContent = append(tableContent, []string{cmd.UI.TranslateText("user:"), user})
orgName := cmd.Config.TargetedOrganizationName()
if orgName == "" {
cmd.UI.DisplayKeyValueTable("", tableContent, 3)
cmd.UI.DisplayText("No org or space targeted, use '{{.CFTargetCommand}} -o ORG -s SPACE'",
map[string]interface{}{
"CFTargetCommand": fmt.Sprintf("%s target", cmd.Config.BinaryName()),
},
)
return
}
tableContent = append(tableContent, []string{cmd.UI.TranslateText("org:"), orgName})
spaceContent := cmd.Config.TargetedSpace().Name
if spaceContent == "" {
spaceContent = cmd.UI.TranslateText("No space targeted, use '{{.Command}}'",
map[string]interface{}{
"Command": fmt.Sprintf("%s target -s SPACE", cmd.Config.BinaryName()),
},
)
}
tableContent = append(tableContent, []string{cmd.UI.TranslateText("space:"), spaceContent})
cmd.UI.DisplayKeyValueTable("", tableContent, 3)
}
func (cmd *LoginCommand) filterOrgsForSpace(allOrgs []resources.Organization) ([]resources.Organization, error) {
if cmd.Space == "" {
return allOrgs, nil
}
var filteredOrgs []resources.Organization
for _, org := range allOrgs {
_, warnings, err := cmd.Actor.GetSpaceByNameAndOrganization(cmd.Space, org.GUID)
cmd.UI.DisplayWarnings(warnings)
if err == nil {
filteredOrgs = append(filteredOrgs, org)
continue
}
if _, ok := err.(actionerror.SpaceNotFoundError); !ok {
return []resources.Organization{}, err
}
}
return filteredOrgs, nil
}
func (cmd *LoginCommand) promptChosenOrg(orgs []resources.Organization) (resources.Organization, error) {
orgNames := make([]string, len(orgs))
for i, org := range orgs {
orgNames[i] = org.Name
}
chosenOrgName, err := cmd.promptMenu(orgNames, "Select an org:", "Org")
if err != nil {
if invalidChoice, ok := err.(ui.InvalidChoiceError); ok {
if cmd.Space != "" {
return resources.Organization{}, translatableerror.OrganizationWithSpaceNotFoundError{Name: invalidChoice.Choice, SpaceName: cmd.Space}
}
return resources.Organization{}, translatableerror.OrganizationNotFoundError{Name: invalidChoice.Choice}
}
if err == io.EOF {
return resources.Organization{}, nil
}
return resources.Organization{}, err
}
for _, org := range orgs {
if org.Name == chosenOrgName {
return org, nil
}
}
return resources.Organization{}, nil
}
func (cmd *LoginCommand) promptChosenSpace(spaces []resources.Space) (resources.Space, error) {
spaceNames := make([]string, len(spaces))
for i, space := range spaces {
spaceNames[i] = space.Name
}
chosenSpaceName, err := cmd.promptMenu(spaceNames, "Select a space:", "Space")
if err != nil {
if invalidChoice, ok := err.(ui.InvalidChoiceError); ok {
return resources.Space{}, translatableerror.SpaceNotFoundError{Name: invalidChoice.Choice}
}
if err == io.EOF {
return resources.Space{}, nil
}
return resources.Space{}, err
}
for _, space := range spaces {
if space.Name == chosenSpaceName {
return space, nil
}
}
return resources.Space{}, nil
}
func (cmd *LoginCommand) promptMenu(choices []string, text string, prompt string) (string, error) {
var choice string
var err error
if len(choices) < 50 {
for {
cmd.UI.DisplayText(text)
choice, err = cmd.UI.DisplayTextMenu(choices, prompt)
if err != ui.ErrInvalidIndex {
break
}
}
} else {
cmd.UI.DisplayText(text)
cmd.UI.DisplayText("There are too many options to display; please type in the name.")
cmd.UI.DisplayNewline()
defaultChoice := "enter to skip"
choice, err = cmd.UI.DisplayOptionalTextPrompt(defaultChoice, prompt)
if choice == defaultChoice {
return "", nil
}
if !contains(choices, choice) {
return "", ui.InvalidChoiceError{Choice: choice}
}
}
return choice, err
}
func (cmd *LoginCommand) targetSpace(space resources.Space) {
cmd.Config.SetSpaceInformation(space.GUID, space.Name, true)
cmd.UI.DisplayTextWithFlavor("Targeted space {{.Space}}.", map[string]interface{}{
"Space": space.Name,
})
cmd.UI.DisplayNewline()
}
func (cmd *LoginCommand) validateFlags() error {
if cmd.Origin != "" && cmd.SSO {
return translatableerror.ArgumentCombinationError{
Args: []string{"--sso", "--origin"},
}
}
if cmd.Origin != "" && cmd.SSOPasscode != "" {
return translatableerror.ArgumentCombinationError{
Args: []string{"--sso-passcode", "--origin"},
}
}
if cmd.SSO && cmd.SSOPasscode != "" {
return translatableerror.ArgumentCombinationError{
Args: []string{"--sso-passcode", "--sso"},
}
}
return nil
}
func contains(s []string, v string) bool {
for _, x := range s {
if x == v {
return true
}
}
return false
}