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Copy pathuser.go
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307 lines (248 loc) · 6.61 KB
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package controller
import (
"context"
b64 "encoding/base64"
"encoding/json"
"fmt"
"net/http"
"os"
"strconv"
"sync"
"time"
"github.com/pkg/browser"
configs "github.com/railwayapp/cli/configs"
"github.com/railwayapp/cli/entity"
"github.com/railwayapp/cli/errors"
"github.com/railwayapp/cli/ui"
)
const (
baseRailwayURL string = "https://railway.app"
baseStagingURL string = "https://railway-staging.app"
baseLocalhostURL string = "https://railway-develop.app"
)
const (
loginInvalidResponse string = "Invalid code"
loginSuccessResponse string = "Ok"
)
type LoginResponse struct {
Status string `json:"status,omitempty"`
Error string `json:"error,omitempty"`
}
const maxAttempts = 2 * 60
const pollInterval = 1 * time.Second
func (c *Controller) GetUser(ctx context.Context) (*entity.User, error) {
userCfg, err := c.cfg.GetUserConfigs()
if err != nil {
return nil, err
}
if userCfg.Token == "" {
return nil, errors.UserConfigNotFound
}
return c.gtwy.GetUser(ctx)
}
func (c *Controller) browserBasedLogin(ctx context.Context) (*entity.User, error) {
var token string
var returnedCode string
port, err := c.randomizer.Port()
if err != nil {
return nil, err
}
code := c.randomizer.Code()
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
ctx := context.Background()
srv := &http.Server{Addr: strconv.Itoa(port)}
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", getAPIURL())
if r.Method == http.MethodGet {
w.Header().Set("Content-Type", "application/json")
token = r.URL.Query().Get("token")
returnedCode = r.URL.Query().Get("code")
if code != returnedCode {
res := LoginResponse{Error: loginInvalidResponse}
byteRes, err := json.Marshal(&res)
if err != nil {
fmt.Println(err)
}
w.WriteHeader(400)
_, err = w.Write(byteRes)
if err != nil {
fmt.Println("Invalid login response failed to serialize!")
}
return
}
res := LoginResponse{Status: loginSuccessResponse}
byteRes, err := json.Marshal(&res)
if err != nil {
fmt.Println(err)
}
w.WriteHeader(200)
_, err = w.Write(byteRes)
if err != nil {
fmt.Println("Valid login response failed to serialize!")
}
} else if r.Method == http.MethodOptions {
w.Header().Set("Access-Control-Allow-Methods", "GET, HEAD, PUT, PATCH, POST, DELETE")
w.Header().Set("Access-Control-Allow-Headers", "*")
w.Header().Set("Content-Length", "0")
w.WriteHeader(204)
return
}
wg.Done()
if err := srv.Shutdown(ctx); err != nil {
fmt.Println(err)
}
})
if err := http.ListenAndServe(fmt.Sprintf("localhost:%d", port), nil); err != nil {
fmt.Println("Login server handshake failed!")
}
}()
url := getBrowserBasedLoginURL(port, code)
err = c.ConfirmBrowserOpen("Logging in...", url)
if err != nil {
// Opening the browser failed. Try browserless login
return c.browserlessLogin(ctx)
}
fmt.Println("No dice? Try railway login --browserless")
wg.Wait()
if code != returnedCode {
return nil, errors.LoginFailed
}
err = c.cfg.SetUserConfigs(&entity.UserConfig{
Token: token,
})
if err != nil {
return nil, err
}
user, err := c.gtwy.GetUser(ctx)
if err != nil {
return nil, err
}
return user, nil
}
func (c *Controller) pollForToken(ctx context.Context, code string) (string, error) {
var count = 0
for count < maxAttempts {
token, err := c.gtwy.ConsumeLoginSession(ctx, code)
if err != nil {
return "", errors.LoginFailed
}
if token != "" {
return token, nil
}
count++
time.Sleep(pollInterval)
}
return "", errors.LoginTimeout
}
func (c *Controller) browserlessLogin(ctx context.Context) (*entity.User, error) {
wordCode, err := c.gtwy.CreateLoginSession(ctx)
if err != nil {
return nil, err
}
url := getBrowserlessLoginURL(wordCode)
fmt.Printf("Your pairing code is: %s\n", ui.MagentaText(wordCode))
fmt.Printf("To authenticate with Railway, please go to \n %s\n", url)
token, err := c.pollForToken(ctx, wordCode)
if err != nil {
return nil, err
}
err = c.cfg.SetUserConfigs(&entity.UserConfig{
Token: token,
})
if err != nil {
return nil, err
}
user, err := c.gtwy.GetUser(ctx)
if err != nil {
return nil, err
}
return user, nil
}
func (c *Controller) Login(ctx context.Context, isBrowserless bool) (*entity.User, error) {
// Invalidate current session if it exists
if loggedIn, _ := c.IsLoggedIn(ctx); loggedIn {
if err := c.gtwy.Logout(ctx); err != nil {
return nil, err
}
}
if isBrowserless || isSSH() || isCodeSpaces() {
return c.browserlessLogin(ctx)
}
return c.browserBasedLogin(ctx)
}
func (c *Controller) Logout(ctx context.Context) error {
if loggedIn, _ := c.IsLoggedIn(ctx); !loggedIn {
fmt.Printf("🚪 %s\n", ui.YellowText("Already logged out"))
return nil
}
err := c.gtwy.Logout(ctx)
if err != nil {
return err
}
err = c.cfg.SetUserConfigs(&entity.UserConfig{})
if err != nil {
return err
}
fmt.Printf("👋 %s\n", ui.YellowText("Logged out"))
return nil
}
func (c *Controller) IsLoggedIn(ctx context.Context) (bool, error) {
userCfg, err := c.cfg.GetUserConfigs()
if err != nil {
return false, err
}
isLoggedIn := userCfg.Token != ""
return isLoggedIn, nil
}
func (c *Controller) ConfirmBrowserOpen(spinnerMsg string, url string) error {
fmt.Printf("Press Enter to open the browser (^C to quit)")
fmt.Fscanln(os.Stdin)
ui.StartSpinner(&ui.SpinnerCfg{
Message: spinnerMsg,
})
err := browser.OpenURL(url)
if err != nil {
ui.StopSpinner("Failed to open browser, attempting browserless login.")
return err
}
return nil
}
func getAPIURL() string {
if configs.IsDevMode() {
return baseLocalhostURL
}
if configs.IsStagingMode() {
return baseStagingURL
}
return baseRailwayURL
}
func getHostName() string {
name, err := os.Hostname()
if err != nil {
return ""
}
return name
}
func getBrowserBasedLoginURL(port int, code string) string {
hostname := getHostName()
buffer := b64.URLEncoding.EncodeToString([]byte(fmt.Sprintf("port=%d&code=%s&hostname=%s", port, code, hostname)))
url := fmt.Sprintf("%s/cli-login?d=%s", getAPIURL(), buffer)
return url
}
func getBrowserlessLoginURL(wordCode string) string {
hostname := getHostName()
buffer := b64.URLEncoding.EncodeToString([]byte(fmt.Sprintf("wordCode=%s&hostname=%s", wordCode, hostname)))
url := fmt.Sprintf("%s/cli-login?d=%s", getAPIURL(), buffer)
return url
}
func isSSH() bool {
if os.Getenv("SSH_TTY") != "" || os.Getenv("SSH_CONNECTION") != "" || os.Getenv("SSH_CLIENT") != "" {
return true
}
return false
}
func isCodeSpaces() bool {
return os.Getenv("CODESPACES") == "true"
}