func()

in internal/auth/auth.go [382:424]

• 32 lines of code
• 6 McCabe index (conditional complexity)

func (a *Auth) fetchAccessToken(ctx context.Context, code string) (tokenResponse, error) {
	token := tokenResponse{}

	// Prepare request
	fetchURL, err := url.Parse(fmt.Sprintf(tokenURLTemplate, a.internalGitlabServer))
	if err != nil {
		return token, err
	}

	content := url.Values{}
	content.Set("client_id", a.clientID)
	content.Set("client_secret", a.clientSecret)
	content.Set("code", code)
	content.Set("grant_type", "authorization_code")
	content.Set("redirect_uri", a.redirectURI)

	req, err := http.NewRequestWithContext(ctx, "POST", fetchURL.String(), strings.NewReader(content.Encode()))
	if err != nil {
		return token, err
	}

	// Request token
	resp, err := a.apiClient.Do(req)
	if err != nil {
		return token, err
	}

	defer resp.Body.Close()

	if resp.StatusCode != 200 {
		err = errResponseNotOk
		errortracking.CaptureErrWithReqAndStackTrace(err, req)
		return token, err
	}

	// Parse response
	err = json.NewDecoder(resp.Body).Decode(&token)
	if err != nil {
		return token, err
	}

	return token, nil
}