forked from Mirrors/oauth2
76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
package externalaccount
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
func ExchangeToken(endpoint string, request *STSTokenExchangeRequest, authentication ClientAuthentication, headers http.Header, options map[string]interface{}) (*STSTokenExchangeResponse, error) {
|
|
|
|
client := &http.Client{}
|
|
|
|
data := url.Values{}
|
|
data.Set("audience", request.Audience)
|
|
data.Set("grant_type", "urn:ietf:params:oauth:grant-type:token-exchange")
|
|
data.Set("requested_token_type", "urn:ietf:params:oauth:token-type:access_token")
|
|
data.Set("subject_token_type", request.SubjectTokenType)
|
|
data.Set("subject_token", request.SubjectToken)
|
|
data.Set("scope", strings.Join(request.Scope, " "))
|
|
|
|
authentication.InjectAuthentication(data, headers)
|
|
req, err := http.NewRequest("POST", endpoint, strings.NewReader(data.Encode()))
|
|
if err != nil {
|
|
fmt.Errorf("oauth2/google: failed to properly build http request")
|
|
}
|
|
for key, _ := range headers {
|
|
for _, val := range headers.Values(key) {
|
|
req.Header.Add(key, val)
|
|
}
|
|
}
|
|
req.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
|
|
|
|
resp, err := client.Do(req)
|
|
if err != nil {
|
|
fmt.Errorf("oauth2/google: invalid response from Secure Token Server: #{err}")
|
|
}
|
|
defer resp.Body.Close()
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
fmt.Errorf("oauth2/google: invalid body in Secute Token Server response: #{err}")
|
|
}
|
|
var stsResp STSTokenExchangeResponse
|
|
err = json.Unmarshal(body, &stsResp)
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
}
|
|
return &stsResp, nil
|
|
}
|
|
|
|
type STSTokenExchangeRequest struct {
|
|
ActingParty struct {
|
|
ActorToken string
|
|
ActorTokenType string
|
|
}
|
|
GrantType string
|
|
Resource string
|
|
Audience string
|
|
Scope []string
|
|
RequestedTokenType string
|
|
SubjectToken string
|
|
SubjectTokenType string
|
|
}
|
|
|
|
type STSTokenExchangeResponse struct {
|
|
AccessToken string `json:"access_token"`
|
|
IssuedTokenType string `json:"issued_token_type"`
|
|
TokenType string `json:"token_type"`
|
|
ExpiresIn int `json:"expires_in"`
|
|
Scope string `json:"scope"`
|
|
RefreshToken string `json:"refresh_token"`
|
|
}
|