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webauth.go
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webauth.go
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package webauth
import (
"context"
"errors"
"fmt"
"io"
"time"
"github.com/azazeal/pause"
"github.com/briandowns/spinner"
"github.com/skratchdot/open-golang/open"
"github.com/superfly/fly-go"
"github.com/superfly/flyctl/agent"
"github.com/superfly/flyctl/internal/config"
"github.com/superfly/flyctl/internal/flyutil"
"github.com/superfly/flyctl/internal/logger"
"github.com/superfly/flyctl/internal/state"
"github.com/superfly/flyctl/iostreams"
)
func SaveToken(ctx context.Context, token string) error {
if ac, err := agent.DefaultClient(ctx); err == nil {
_ = ac.Kill(ctx)
}
config.Clear(state.ConfigFile(ctx))
if err := persistAccessToken(ctx, token); err != nil {
return err
}
user, err := flyutil.NewClientFromOptions(ctx, fly.ClientOptions{
AccessToken: token,
}).GetCurrentUser(ctx)
if err != nil {
return fmt.Errorf("failed retrieving current user: %w", err)
}
io := iostreams.FromContext(ctx)
colorize := io.ColorScheme()
fmt.Fprintf(io.Out, "successfully logged in as %s\n", colorize.Bold(user.Email))
return nil
}
func RunWebLogin(ctx context.Context, signup bool) (string, error) {
auth, err := fly.StartCLISessionWebAuth(state.Hostname(ctx), signup)
if err != nil {
return "", err
}
io := iostreams.FromContext(ctx)
if err := open.Run(auth.URL); err != nil {
fmt.Fprintf(io.ErrOut,
"failed opening browser. Copy the url (%s) into a browser and continue\n",
auth.URL,
)
}
logger := logger.FromContext(ctx)
colorize := io.ColorScheme()
fmt.Fprintf(io.Out, "Opening %s ...\n\n", colorize.Bold(auth.URL))
token, err := waitForCLISession(ctx, logger, io.ErrOut, auth.ID)
switch {
case errors.Is(err, context.DeadlineExceeded):
return "", errors.New("Login expired, please try again")
case err != nil:
return "", err
case token == "":
return "", errors.New("failed to log in, please try again")
}
return token, nil
}
// TODO: this does NOT break on interrupts
func waitForCLISession(parent context.Context, logger *logger.Logger, w io.Writer, id string) (token string, err error) {
ctx, cancel := context.WithTimeout(parent, 15*time.Minute)
defer cancel()
s := spinner.New(spinner.CharSets[11], 100*time.Millisecond)
s.Writer = w
s.Prefix = "Waiting for session..."
s.Start()
for ctx.Err() == nil {
if token, err = fly.GetAccessTokenForCLISession(ctx, id); err != nil {
logger.Debugf("failed retrieving token: %v", err)
pause.For(ctx, time.Second)
continue
}
logger.Debug("retrieved access token.")
s.FinalMSG = "Waiting for session... Done\n"
s.Stop()
break
}
return
}
func persistAccessToken(ctx context.Context, token string) (err error) {
path := state.ConfigFile(ctx)
if err = config.SetAccessToken(path, token); err != nil {
err = fmt.Errorf("failed persisting %s in %s: %w\n",
config.AccessTokenFileKey, path, err)
}
return
}