func()

in pkg/provider/f5apm/f5apm.go [45:111]
57 lines of code
12 McCabe index (conditional complexity)

func (ac *Client) Authenticate(loginDetails *creds.LoginDetails) (string, error) {
	logger.Debug("Get Login Form")
	logger.Debugf("Login URL: %s", loginDetails.URL)
	logger.Debugf("Login Username: %s", loginDetails.Username)
	authForm, err := ac.getLoginForm(loginDetails)
	if err != nil {
		return "", errors.Wrap(err, "Error getting login form IDP")
	}

	// Post username/password
	logger.Debug("Post UP Login Form")
	debugAuthForm(authForm)

	upData, err := ac.postLoginForm(loginDetails, authForm)
	if err != nil {
		return "", errors.Wrap(err, "Error submitting login form")
	}

	upDoc, err := goquery.NewDocumentFromReader(bytes.NewBuffer(upData))
	if err != nil {
		return "", errors.Wrap(err, "Error reading UP data")
	}
	mfaFound, mfaMethods := containsMFAForm(upDoc)

	// Prompt for MFA if needed
	if mfaFound {
		logger.Debug(mfaMethods)
		mfaAuthForm := url.Values{}
		var mfaToken string
		mfaMethod, err := prompter.ChooseWithDefault("MFA Method", mfaMethods[0], mfaMethods)
		if err != nil {
			return "", errors.Wrap(err, "Error selecting MFA method")
		}
		switch mfaMethod {
		case "token":
			mfaToken = prompter.RequestSecurityCode("000000")
		case "push":
			mfaToken = ""
		}
		// Post mfatoken
		mfaAuthForm.Add("mfatoken", mfaToken)
		mfaAuthForm.Add("mfamethod", mfaMethod)
		mfaAuthForm.Add("mfa_retry", "")
		logger.Debug("Post Token Form")
		debugAuthForm(mfaAuthForm)
		_, err = ac.postLoginForm(loginDetails, mfaAuthForm)
		if err != nil {
			return "", errors.Wrap(err, "Error submitting MFA login form")
		}
	}

	// Post to saml endpoint
	logger.Debug("Get SAML Form")
	samlAssertion, err := ac.getSAMLAssertion(loginDetails)
	if err != nil {
		return "", errors.Wrap(err, "Error getting saml assertion")
	}
	decodedAssertion, err := base64.StdEncoding.DecodeString(samlAssertion)
	if err != nil {
		return "", errors.Wrap(err, "Error decoding saml assertion")
	}
	if dump.ContentEnable() {
		logger.Debugf("SAMLAssertion: %s", string(decodedAssertion))

	}
	return samlAssertion, nil
}