feat(account): add login command #375
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package account | ||
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| import ( | ||
| "fmt" | ||
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|
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| "github.com/UpCloudLtd/progress/messages" | ||
| "github.com/UpCloudLtd/upcloud-cli/v3/internal/commands" | ||
| "github.com/UpCloudLtd/upcloud-cli/v3/internal/commands/account/tokenreceiver" | ||
| "github.com/UpCloudLtd/upcloud-cli/v3/internal/output" | ||
| "github.com/zalando/go-keyring" | ||
| ) | ||
|
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| // LoginCommand creates the "account login" command | ||
| func LoginCommand() commands.Command { | ||
| return &loginCommand{ | ||
| BaseCommand: commands.New( | ||
| "login", | ||
| "Configure a authentication token.", | ||
| "upctl account login", | ||
| ), | ||
| } | ||
| } | ||
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| type loginCommand struct { | ||
| *commands.BaseCommand | ||
| } | ||
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| // ExecuteWithoutArguments implements commands.NoArgumentCommand | ||
| func (s *loginCommand) ExecuteWithoutArguments(exec commands.Executor) (output.Output, error) { | ||
| msg := "Waiting to receive token from browser." | ||
| exec.PushProgressStarted(msg) | ||
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| receiver := tokenreceiver.New() | ||
| err := receiver.Start() | ||
| if err != nil { | ||
| return commands.HandleError(exec, msg, err) | ||
| } | ||
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| err = receiver.OpenBrowser() | ||
| if err != nil { | ||
| url := receiver.GetLoginURL() | ||
| exec.PushProgressUpdate(messages.Update{ | ||
| Message: "Failed to open browser.", | ||
| Status: messages.MessageStatusError, | ||
| Details: fmt.Sprintf("Please open a browser and navigate to %s to continue with the login.", url), | ||
| }) | ||
| } | ||
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| token, err := receiver.Wait(exec.Context()) | ||
| if err != nil { | ||
| return commands.HandleError(exec, msg, err) | ||
| } | ||
|
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| err = keyring.Set("UpCloud", "", token) | ||
| if err != nil { | ||
| return commands.HandleError(exec, msg, fmt.Errorf("failed to save token to keyring: %w", err)) | ||
| } | ||
|
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| exec.PushProgressSuccess(msg) | ||
|
There was a problem hiding this comment. Update progress message to something like |
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| return output.None{}, nil | ||
|
There was a problem hiding this comment. Should maybe output the token if saving to keyring fails 🤔 |
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package tokenreceiver | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "net/http" | ||
| "time" | ||
|
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| "github.com/cli/browser" | ||
| ) | ||
|
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| type ReceiverServer struct { | ||
| server *http.Server | ||
| token string | ||
| port string | ||
| } | ||
|
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| func New() *ReceiverServer { | ||
| return &ReceiverServer{} | ||
| } | ||
|
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| func getPort(listener net.Listener) string { | ||
| _, port, _ := net.SplitHostPort(listener.Addr().String()) | ||
| return port | ||
| } | ||
|
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| func getURL(target string) string { | ||
| return fmt.Sprintf("http://localhost:3000/account/upctl-login/%s", target) | ||
| } | ||
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| func (s *ReceiverServer) GetLoginURL() string { | ||
| return getURL(s.port) | ||
| } | ||
|
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| func (s *ReceiverServer) Start() error { | ||
| handler := http.NewServeMux() | ||
| handler.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) { | ||
| token := req.URL.Query().Get("token") | ||
| if token == "" { | ||
| http.Redirect(w, req, getURL("error"), http.StatusSeeOther) | ||
| return | ||
| } | ||
| s.token = token | ||
| http.Redirect(w, req, getURL("success"), http.StatusSeeOther) | ||
|
Comment on lines
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There was a problem hiding this comment. Should the token be delivered with fetch request instead of redirects? |
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| }) | ||
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| listener, err := net.Listen("tcp", "127.0.0.1:0") | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create receiver server: %w", err) | ||
| } | ||
|
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| go func() { | ||
| defer listener.Close() | ||
| s.server = &http.Server{ | ||
| Handler: handler, | ||
| ReadHeaderTimeout: time.Second, | ||
| } | ||
| _ = s.server.Serve(listener) | ||
| }() | ||
| s.port = getPort(listener) | ||
| return nil | ||
| } | ||
|
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| func (s *ReceiverServer) OpenBrowser() error { | ||
| return browser.OpenURL(s.GetLoginURL()) | ||
| } | ||
|
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| func (s *ReceiverServer) Wait(ctx context.Context) (string, error) { | ||
| ticker := time.NewTicker(time.Second * 2) | ||
| defer ticker.Stop() | ||
|
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| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| _ = s.server.Shutdown(context.TODO()) | ||
| return "", ctx.Err() | ||
| case <-ticker.C: | ||
| if s.token != "" { | ||
| _ = s.server.Shutdown(context.TODO()) | ||
| return s.token, nil | ||
| } | ||
| } | ||
| } | ||
| } | ||
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Do we want to use config file as fallback? I guess the file should be generic to be able to use it also with e.g. Terraform provider 🤔