github.com/loggregator/cli@v6.33.1-0.20180224010324-82334f081791+incompatible/api/uaa/refresh_token.go (about)

     1  package uaa
     2  
     3  import (
     4  	"fmt"
     5  	"net/http"
     6  	"net/url"
     7  	"strings"
     8  
     9  	"code.cloudfoundry.org/cli/api/uaa/constant"
    10  	"code.cloudfoundry.org/cli/api/uaa/internal"
    11  )
    12  
    13  // RefreshedTokens represents the UAA refresh token response.
    14  type RefreshedTokens struct {
    15  	AccessToken  string `json:"access_token"`
    16  	RefreshToken string `json:"refresh_token"`
    17  	Type         string `json:"token_type"`
    18  }
    19  
    20  // AuthorizationToken returns formatted authorization header.
    21  func (refreshTokenResponse RefreshedTokens) AuthorizationToken() string {
    22  	return fmt.Sprintf("%s %s", refreshTokenResponse.Type, refreshTokenResponse.AccessToken)
    23  }
    24  
    25  // RefreshAccessToken refreshes the current access token.
    26  func (client *Client) RefreshAccessToken(refreshToken string) (RefreshedTokens, error) {
    27  	values := url.Values{
    28  		"client_id":     {client.config.UAAOAuthClient()},
    29  		"client_secret": {client.config.UAAOAuthClientSecret()},
    30  	}
    31  
    32  	// An empty grant_type implies that the authentication grant_type is 'password'
    33  	if client.config.UAAGrantType() != "" {
    34  		values.Add("grant_type", client.config.UAAGrantType())
    35  	} else {
    36  		values.Add("grant_type", string(constant.GrantTypeRefreshToken))
    37  		values.Add("refresh_token", refreshToken)
    38  	}
    39  
    40  	body := strings.NewReader(values.Encode())
    41  
    42  	request, err := client.newRequest(requestOptions{
    43  		RequestName: internal.PostOAuthTokenRequest,
    44  		Header:      http.Header{"Content-Type": {"application/x-www-form-urlencoded"}},
    45  		Body:        body,
    46  	})
    47  	if err != nil {
    48  		return RefreshedTokens{}, err
    49  	}
    50  
    51  	if client.config.UAAGrantType() != string(constant.GrantTypeClientCredentials) {
    52  		request.SetBasicAuth(client.config.UAAOAuthClient(), client.config.UAAOAuthClientSecret())
    53  	}
    54  
    55  	var refreshResponse RefreshedTokens
    56  	response := Response{
    57  		Result: &refreshResponse,
    58  	}
    59  
    60  	err = client.connection.Make(request, &response)
    61  	if err != nil {
    62  		return RefreshedTokens{}, err
    63  	}
    64  
    65  	return refreshResponse, nil
    66  }