func()

in pkg/provider/googleapps/googleapps.go [200:284]
74 lines of code
9 McCabe index (conditional complexity)

func (kc *Client) loadFirstPage(loginDetails *creds.LoginDetails) (string, url.Values, error) {
	firstPageURL := loginDetails.URL + "&hl=en&loc=US"

	req, err := http.NewRequest("GET", firstPageURL, nil)
	if err != nil {
		return "", nil, errors.Wrap(err, "error retrieving login form from idp")
	}

	res, err := kc.client.Do(req)
	if err != nil {
		return "", nil, errors.Wrap(err, "failed to make request to login form")
	}

	doc, err := goquery.NewDocumentFromReader(res.Body)
	if err != nil {
		return "", nil, errors.Wrap(err, "error parsing first page html document")
	}

	doc.Url, err = url.Parse(firstPageURL)
	if err != nil {
		return "", url.Values{}, errors.Wrap(err, "failed to define URL for html doc")
	}

	authForm, submitURL, err := extractInputsByFormID(doc, "gaia_loginform", "challenge")
	if err != nil {
		return "", nil, errors.Wrap(err, "failed to build login form data")
	}

	_, loginPageV1 := authForm["GALX"]

	var postForm url.Values
	// using a field which is known to be in the original login page
	if loginPageV1 {
		// Login page v1
		postForm = url.Values{
			"bgresponse":               []string{"js_disabled"},
			"checkConnection":          []string{""},
			"checkedDomains":           []string{"youtube"},
			"continue":                 []string{authForm.Get("continue")},
			"gxf":                      []string{authForm.Get("gxf")},
			"identifier-captcha-input": []string{""},
			"identifiertoken":          []string{""},
			"identifiertoken_audio":    []string{""},
			"ltmpl":                    []string{"popup"},
			"oauth":                    []string{"1"},
			"Page":                     []string{authForm.Get("Page")},
			"Passwd":                   []string{""},
			"PersistentCookie":         []string{"yes"},
			"ProfileInformation":       []string{""},
			"pstMsg":                   []string{"0"},
			"sarp":                     []string{"1"},
			"scc":                      []string{"1"},
			"SessionState":             []string{authForm.Get("SessionState")},
			"signIn":                   []string{authForm.Get("signIn")},
			"_utf8":                    []string{authForm.Get("_utf8")},
			"GALX":                     []string{authForm.Get("GALX")},
		}
	} else {
		// Login page v2
		postForm = url.Values{
			"challengeId":     []string{"1"},
			"challengeType":   []string{"1"},
			"continue":        []string{authForm.Get("continue")},
			"scc":             []string{"1"},
			"sarp":            []string{"1"},
			"checkeddomains":  []string{"youtube"},
			"checkConnection": []string{"youtube:930:1"},
			"pstMessage":      []string{"1"},
			"oauth":           []string{authForm.Get("oauth")},
			"flowName":        []string{authForm.Get("flowName")},
			"faa":             []string{"1"},
			"Email":           []string{""},
			"Passwd":          []string{""},
			"TrustDevice":     []string{"on"},
			"bgresponse":      []string{"js_disabled"},
		}
		for _, k := range []string{"TL", "gxf"} {
			if v, ok := authForm[k]; ok {
				postForm.Set(k, v[0])
			}
		}
	}

	return submitURL, postForm, err
}