func federatedLogin()

in cmd/saml2alibabacloud/commands/console.go [107:169]
51 lines of code
9 McCabe index (conditional complexity)

func federatedLogin(creds *alibabacloudconfig.AliCloudCredentials, consoleFlags *flags.ConsoleFlags) error {
	jsonBytes, err := json.Marshal(map[string]string{
		"sessionId":    creds.AliCloudAccessKey,
		"sessionKey":   creds.AliCloudSecretKey,
		"sessionToken": creds.AliCloudSessionToken,
	})
	if err != nil {
		return err
	}

	req, err := http.NewRequest("GET", federationURL, nil)
	if err != nil {
		return err
	}
	q := req.URL.Query()
	q.Add("Action", "getSigninToken")
	q.Add("Session", string(jsonBytes))

	req.URL.RawQuery = q.Encode()

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		return err
	}

	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return err
	}

	if resp.StatusCode != http.StatusOK {
		return fmt.Errorf("Call to getSigninToken failed with %v", resp.Status)
	}

	var respParsed map[string]string
	if err = json.Unmarshal([]byte(body), &respParsed); err != nil {
		return err
	}

	signinToken, ok := respParsed["SigninToken"]
	if !ok {
		return err
	}

	destination := "https://home.console.aliyun.com/"

	loginURL := fmt.Sprintf(
		"%s?Action=login&Issuer=%s&Destination=%s&SigninToken=%s",
		federationURL,
		issuer,
		url.QueryEscape(destination),
		url.QueryEscape(signinToken),
	)

	// write the URL to stdout making it easy to capture seperately and use in a shell function
	if consoleFlags.Link {
		fmt.Println(loginURL)
		return nil
	}

	return open.Run(loginURL)
}