Golang Config Examples

Example #1

File: complete_auth.go Project: outrightmental/go-omniauth

// CompleteAuth takes a map of arguments that are used to
// complete the authorisation process, completes it, and returns
// the appropriate common.Credentials.
//
// The data must contain an OAuth2KeyCode obtained from the auth
// server.
func CompleteAuth(tripperFactory common.TripperFactory, data objx.Map, config *common.Config, provider common.Provider) (*common.Credentials, error) {

	// get the code
	codeList := data.Get(OAuth2KeyCode).Data()

	code, ok := codeList.(string)
	if !ok {

		if codeList == nil || len(codeList.([]string)) == 0 {
			return nil, &common.MissingParameterError{ParameterName: OAuth2KeyCode}
		}
		code = codeList.([]string)[0]
		if len(code) == 0 {
			return nil, &common.MissingParameterError{ParameterName: OAuth2KeyCode}
		}
	}

	client, clientErr := GetClient(tripperFactory, common.EmptyCredentials, provider)
	if clientErr != nil {
		return nil, clientErr
	}

	params := objx.MSI(OAuth2KeyGrantType, OAuth2GrantTypeAuthorizationCode,
		OAuth2KeyRedirectUrl, config.Get(OAuth2KeyRedirectUrl).Str(),
		OAuth2KeyScope, config.Get(OAuth2KeyScope).Str(),
		OAuth2KeyCode, code,
		OAuth2KeyClientID, config.Get(OAuth2KeyClientID).Str(),
		OAuth2KeySecret, config.Get(OAuth2KeySecret).Str())

	// post the form
	response, requestErr := client.PostForm(config.Get(OAuth2KeyTokenURL).Str(), params.URLValues())

	if requestErr != nil {
		return nil, requestErr
	}

	// make sure we close the body
	defer func() {
		if response.Body != nil {
			response.Body.Close()
		}
	}()

	// make sure we have an OK response
	if response.StatusCode != http.StatusOK {
		return nil, &common.AuthServerError{
			ErrorMessage: fmt.Sprintf("Server replied with %s.", response.Status),
			Response:     response,
		}
	}

	content, _, mimeTypeErr := mime.ParseMediaType(response.Header.Get("Content-Type"))

	if mimeTypeErr != nil {
		return nil, mimeTypeErr
	}

	// prepare the credentials object
	creds := &common.Credentials{Map: objx.MSI()}

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

	switch content {
	case "application/x-www-form-urlencoded", "text/plain":

		vals, err := objx.FromURLQuery(string(body))
		if err != nil {
			return nil, err
		}

		// did an error occur?
		if len(vals.Get("error").Str()) > 0 {
			return nil, &common.AuthServerError{
				ErrorMessage: vals.Get("error").Str(),
				Response:     response,
			}
		}

		expiresIn, _ := time.ParseDuration(vals.Get(OAuth2KeyExpiresIn).Str() + "s")

		creds.Set(OAuth2KeyAccessToken, vals.Get(OAuth2KeyAccessToken).Str())
		creds.Set(OAuth2KeyRefreshToken, vals.Get(OAuth2KeyRefreshToken).Str())
		creds.Set(OAuth2KeyExpiresIn, expiresIn)

	default: // use JSON

		var data objx.Map

		jsonErr := json.Unmarshal(body, &data)

		if jsonErr != nil {
			return nil, jsonErr
		}

		// handle the time
		timeDuration := data.Get(OAuth2KeyExpiresIn).Float64()
		data.Set(OAuth2KeyExpiresIn, time.Duration(timeDuration)*time.Second)

		// merge this data into the creds
		creds.MergeHere(data)

	}

	return creds, nil
}

Example #2

File: url.go Project: outrightmental/go-omniauth

// GetBeginAuthURLWithBase returns the OAuth2 authorization URL from the given arguments.
//
// The state object will be encoded to base64 and signed to ensure integrity.
func GetBeginAuthURLWithBase(base string, state *common.State, config *common.Config) (string, error) {

	if config == nil {
		panic("OAuth2Handler: Must have valid Config specified.")
	}

	// copy the config
	params := objx.MSI(
		OAuth2KeyClientID, config.Get(OAuth2KeyClientID).Str(),
		OAuth2KeyRedirectUrl, config.Get(OAuth2KeyRedirectUrl).Str(),
		OAuth2KeyScope, config.Get(OAuth2KeyScope).Str(),
		OAuth2KeyAccessType, config.Get(OAuth2KeyAccessType).Str(),
		OAuth2KeyApprovalPrompt, config.Get(OAuth2KeyApprovalPrompt).Str(),
		OAuth2KeyResponseType, config.Get(OAuth2KeyResponseType).Str())

	if state != nil {

		// set the state
		stateValue, stateErr := state.SignedBase64(common.GetSecurityKey())

		if stateErr != nil {
			return "", stateErr
		}

		params.Set("state", stateValue)

	}

	// generate the query part
	query, queryErr := params.URLQuery()

	if queryErr != nil {
		return "", queryErr
	}

	// put the strings together
	return base + "?" + query, nil
}