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3 changes: 2 additions & 1 deletion google/internal/externalaccount/aws.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import (
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path"
"sort"
Expand Down Expand Up @@ -334,7 +335,7 @@ func (cs awsCredentialSource) subjectToken() (string, error) {
if err != nil {
return "", err
}
return string(result), nil
return url.QueryEscape(string(result)), nil
}

func (cs *awsCredentialSource) getRegion() (string, error) {
Expand Down
3 changes: 2 additions & 1 deletion google/internal/externalaccount/aws_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import (
"fmt"
"net/http"
"net/http/httptest"
neturl "net/url"
"reflect"
"strings"
"testing"
Expand Down Expand Up @@ -527,7 +528,7 @@ func getExpectedSubjectToken(url, region, accessKeyID, secretAccessKey, security
})

str, _ := json.Marshal(result)
return string(str)
return neturl.QueryEscape(string(str))
}

func TestAwsCredential_BasicRequest(t *testing.T) {
Expand Down
2 changes: 1 addition & 1 deletion google/internal/externalaccount/basecredentials_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ var testConfig = Config{
}

var (
baseCredsRequestBody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&options=null&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdevstorage.full_control&subject_token=street123&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
baseCredsRequestBody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdevstorage.full_control&subject_token=street123&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
baseCredsResponseBody = `{"access_token":"Sample.Access.Token","issued_token_type":"urn:ietf:params:oauth:token-type:access_token","token_type":"Bearer","expires_in":3600,"scope":"https://www.googleapis.com/auth/cloud-platform"}`
correctAT = "Sample.Access.Token"
expiry int64 = 234852
Expand Down
2 changes: 1 addition & 1 deletion google/internal/externalaccount/impersonate_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ var testImpersonateConfig = Config{
}

var (
baseImpersonateCredsReqBody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&options=null&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform&subject_token=street123&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
baseImpersonateCredsReqBody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform&subject_token=street123&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
baseImpersonateCredsRespBody = `{"accessToken":"Second.Access.Token","expireTime":"2020-12-28T15:01:23Z"}`
)

Expand Down
10 changes: 6 additions & 4 deletions google/internal/externalaccount/sts_exchange.go
Original file line number Diff line number Diff line change
Expand Up @@ -32,11 +32,13 @@ func ExchangeToken(ctx context.Context, endpoint string, request *STSTokenExchan
data.Set("subject_token_type", request.SubjectTokenType)
data.Set("subject_token", request.SubjectToken)
data.Set("scope", strings.Join(request.Scope, " "))
opts, err := json.Marshal(options)
if err != nil {
return nil, fmt.Errorf("oauth2/google: failed to marshal additional options: %v", err)
if options != nil {
opts, err := json.Marshal(options)
if err != nil {
return nil, fmt.Errorf("oauth2/google: failed to marshal additional options: %v", err)
}
data.Set("options", string(opts))
}
data.Set("options", string(opts))

authentication.InjectAuthentication(data, headers)
encodedData := data.Encode()
Expand Down
2 changes: 1 addition & 1 deletion google/internal/externalaccount/sts_exchange_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ var tokenRequest = STSTokenExchangeRequest{
SubjectTokenType: "urn:ietf:params:oauth:token-type:jwt",
}

var requestbody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&options=null&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdevstorage.full_control&subject_token=Sample.Subject.Token&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
var requestbody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdevstorage.full_control&subject_token=Sample.Subject.Token&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
var responseBody = `{"access_token":"Sample.Access.Token","issued_token_type":"urn:ietf:params:oauth:token-type:access_token","token_type":"Bearer","expires_in":3600,"scope":"https://www.googleapis.com/auth/cloud-platform"}`
var expectedToken = STSTokenExchangeResponse{
AccessToken: "Sample.Access.Token",
Expand Down