forked from remote/oauth2
google: support AWS 3rd party credentials
This commit is contained in:
Ryan Kohler
@@ -5,7 +5,10 @@
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package externalaccount
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"reflect"
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"strings"
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"testing"
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@@ -21,24 +24,33 @@ func setTime(testTime time.Time) func() time.Time {
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}
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}
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func setEnvironment(env map[string]string) func(string) string {
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return func(key string) string {
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value, _ := env[key]
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return value
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}
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}
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var defaultRequestSigner = &awsRequestSigner{
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RegionName: "us-east-1",
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AwsSecurityCredentials: map[string]string{
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"access_key_id": "AKIDEXAMPLE",
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"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
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AwsSecurityCredentials: awsSecurityCredentials{
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AccessKeyId: "AKIDEXAMPLE",
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SecretAccessKey: "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
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},
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}
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const accessKeyId = "ASIARD4OQDT6A77FR3CL"
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const secretAccessKey = "Y8AfSaucF37G4PpvfguKZ3/l7Id4uocLXxX0+VTx"
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const securityToken = "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"
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const (
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accessKeyId = "ASIARD4OQDT6A77FR3CL"
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secretAccessKey = "Y8AfSaucF37G4PpvfguKZ3/l7Id4uocLXxX0+VTx"
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securityToken = "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"
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)
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var requestSignerWithToken = &awsRequestSigner{
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RegionName: "us-east-2",
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AwsSecurityCredentials: map[string]string{
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"access_key_id": accessKeyId,
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"secret_access_key": secretAccessKey,
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"security_token": securityToken,
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AwsSecurityCredentials: awsSecurityCredentials{
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AccessKeyId: accessKeyId,
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SecretAccessKey: secretAccessKey,
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SecurityToken: securityToken,
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},
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}
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@@ -373,9 +385,9 @@ func TestAwsV4Signature_PostRequestWithSecurityTokenAndAdditionalHeaders(t *test
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func TestAwsV4Signature_PostRequestWithAmzDateButNoSecurityToken(t *testing.T) {
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var requestSigner = &awsRequestSigner{
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RegionName: "us-east-2",
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AwsSecurityCredentials: map[string]string{
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"access_key_id": accessKeyId,
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"secret_access_key": secretAccessKey,
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AwsSecurityCredentials: awsSecurityCredentials{
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AccessKeyId: accessKeyId,
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SecretAccessKey: secretAccessKey,
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},
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}
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@@ -394,3 +406,369 @@ func TestAwsV4Signature_PostRequestWithAmzDateButNoSecurityToken(t *testing.T) {
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testRequestSigner(t, requestSigner, input, output)
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}
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type testAwsServer struct {
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url string
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securityCredentialUrl string
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regionUrl string
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regionalCredVerificationUrl string
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Credentials map[string]string
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WriteRolename func(http.ResponseWriter)
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WriteSecurityCredentials func(http.ResponseWriter)
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WriteRegion func(http.ResponseWriter)
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}
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func createAwsTestServer(url, regionUrl, regionalCredVerificationUrl, rolename, region string, credentials map[string]string) *testAwsServer {
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server := &testAwsServer{
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url: url,
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securityCredentialUrl: fmt.Sprintf("%s/%s", url, rolename),
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regionUrl: regionUrl,
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regionalCredVerificationUrl: regionalCredVerificationUrl,
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Credentials: credentials,
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WriteRolename: func(w http.ResponseWriter) {
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w.Write([]byte(rolename))
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},
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WriteRegion: func(w http.ResponseWriter) {
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w.Write([]byte(region))
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},
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}
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server.WriteSecurityCredentials = func(w http.ResponseWriter) {
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jsonCredentials, _ := json.Marshal(server.Credentials)
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w.Write(jsonCredentials)
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}
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return server
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}
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func createDefaultAwsTestServer() *testAwsServer {
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return createAwsTestServer(
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"/latest/meta-data/iam/security-credentials",
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"/latest/meta-data/placement/availability-zone",
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"https://sts.{region}.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
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"gcp-aws-role",
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"us-east-2b",
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map[string]string{
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"SecretAccessKey": secretAccessKey,
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"AccessKeyId": accessKeyId,
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"Token": securityToken,
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},
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)
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}
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func (server *testAwsServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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switch p := r.URL.Path; p {
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case server.url:
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server.WriteRolename(w)
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case server.securityCredentialUrl:
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server.WriteSecurityCredentials(w)
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case server.regionUrl:
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server.WriteRegion(w)
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}
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}
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func notFound(w http.ResponseWriter) {
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w.WriteHeader(404)
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w.Write([]byte("Not Found"))
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}
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func (server *testAwsServer) getCredentialSource(url string) CredentialSource {
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return CredentialSource{
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EnvironmentID: "aws1",
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URL: url + server.url,
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RegionURL: url + server.regionUrl,
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RegionalCredVerificationURL: server.regionalCredVerificationUrl,
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}
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}
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func getExpectedSubjectToken(url, region, accessKeyId, secretAccessKey, securityToken string) string {
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req, _ := http.NewRequest("POST", url, nil)
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req.Header.Add("x-goog-cloud-target-resource", testFileConfig.Audience)
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signer := &awsRequestSigner{
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RegionName: region,
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AwsSecurityCredentials: awsSecurityCredentials{
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AccessKeyId: accessKeyId,
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SecretAccessKey: secretAccessKey,
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SecurityToken: securityToken,
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},
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}
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signer.SignRequest(req)
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result := AwsRequest{
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URL: url,
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Method: "POST",
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Headers: []AwsRequestHeader{
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AwsRequestHeader{
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Key: "Authorization",
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Value: req.Header.Get("Authorization"),
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},
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AwsRequestHeader{
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Key: "Host",
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Value: req.Header.Get("Host"),
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},
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AwsRequestHeader{
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Key: "X-Amz-Date",
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Value: req.Header.Get("X-Amz-Date"),
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},
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},
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}
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if securityToken != "" {
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result.Headers = append(result.Headers, AwsRequestHeader{
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Key: "X-Amz-Security-Token",
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Value: securityToken,
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})
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}
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result.Headers = append(result.Headers, AwsRequestHeader{
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Key: "X-Goog-Cloud-Target-Resource",
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Value: testFileConfig.Audience,
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})
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str, _ := json.Marshal(result)
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return string(str)
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}
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func TestAwsCredential_BasicRequest(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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out, err := tfc.parse(nil).subjectToken()
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if err != nil {
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t.Fatalf("retrieveSubjectToken() failed: %v", err)
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}
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expected := getExpectedSubjectToken(
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"https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
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"us-east-2",
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accessKeyId,
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secretAccessKey,
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securityToken,
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)
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if got, want := out, expected; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_BasicRequestWithEnv(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{
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"AWS_ACCESS_KEY_ID": "AKIDEXAMPLE",
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"AWS_SECRET_ACCESS_KEY": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
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"AWS_REGION": "us-west-1",
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})
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out, err := tfc.parse(nil).subjectToken()
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if err != nil {
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t.Fatalf("retrieveSubjectToken() failed: %v", err)
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}
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expected := getExpectedSubjectToken(
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"https://sts.us-west-1.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
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"us-west-1",
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"AKIDEXAMPLE",
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"wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
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"",
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)
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if got, want := out, expected; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithBadVersion(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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tfc.CredentialSource.EnvironmentID = "aws3"
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
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if got, want := err.Error(), "oauth2/google: aws version '3' is not supported in the current build."; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithNoRegionUrl(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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tfc.CredentialSource.RegionURL = ""
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
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if got, want := err.Error(), "oauth2/google: Unable to determine AWS region."; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithBadRegionUrl(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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server.WriteRegion = notFound
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
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if got, want := err.Error(), "oauth2/google: Unable to retrieve AWS region - Not Found."; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithMissingCredential(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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server.WriteSecurityCredentials = func(w http.ResponseWriter) {
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w.Write([]byte("{}"))
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}
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
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if got, want := err.Error(), "oauth2/google: missing AccessKeyId credential."; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithIncompleteCredential(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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server.WriteSecurityCredentials = func(w http.ResponseWriter) {
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w.Write([]byte("{\"AccessKeyId\":\"FOOBARBAS\"}"))
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}
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
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if got, want := err.Error(), "oauth2/google: missing SecretAccessKey credential."; !reflect.DeepEqual(got, want) {
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t.Errorf("subjectToken = %q, want %q", got, want)
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}
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}
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func TestAwsCredential_RequestWithNoCredentialUrl(t *testing.T) {
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server := createDefaultAwsTestServer()
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ts := httptest.NewServer(server)
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tfc := testFileConfig
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tfc.CredentialSource = server.getCredentialSource(ts.URL)
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tfc.CredentialSource.URL = ""
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oldGetenv := getenv
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defer func() { getenv = oldGetenv }()
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getenv = setEnvironment(map[string]string{})
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_, err := tfc.parse(nil).subjectToken()
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if err == nil {
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t.Fatalf("retrieveSubjectToken() should have failed")
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}
|
||||
|
||||
if got, want := err.Error(), "oauth2/google: Unable to determine the AWS metadata server security credentials endpoint."; !reflect.DeepEqual(got, want) {
|
||||
t.Errorf("subjectToken = %q, want %q", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
func TestAwsCredential_RequestWithBadCredentialUrl(t *testing.T) {
|
||||
server := createDefaultAwsTestServer()
|
||||
ts := httptest.NewServer(server)
|
||||
server.WriteRolename = notFound
|
||||
|
||||
tfc := testFileConfig
|
||||
tfc.CredentialSource = server.getCredentialSource(ts.URL)
|
||||
|
||||
oldGetenv := getenv
|
||||
defer func() { getenv = oldGetenv }()
|
||||
getenv = setEnvironment(map[string]string{})
|
||||
|
||||
_, err := tfc.parse(nil).subjectToken()
|
||||
if err == nil {
|
||||
t.Fatalf("retrieveSubjectToken() should have failed")
|
||||
}
|
||||
|
||||
if got, want := err.Error(), "oauth2/google: Unable to retrieve AWS role name - Not Found."; !reflect.DeepEqual(got, want) {
|
||||
t.Errorf("subjectToken = %q, want %q", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
func TestAwsCredential_RequestWithBadFinalCredentialUrl(t *testing.T) {
|
||||
server := createDefaultAwsTestServer()
|
||||
ts := httptest.NewServer(server)
|
||||
server.WriteSecurityCredentials = notFound
|
||||
|
||||
tfc := testFileConfig
|
||||
tfc.CredentialSource = server.getCredentialSource(ts.URL)
|
||||
|
||||
oldGetenv := getenv
|
||||
defer func() { getenv = oldGetenv }()
|
||||
getenv = setEnvironment(map[string]string{})
|
||||
|
||||
_, err := tfc.parse(nil).subjectToken()
|
||||
if err == nil {
|
||||
t.Fatalf("retrieveSubjectToken() should have failed")
|
||||
}
|
||||
|
||||
if got, want := err.Error(), "oauth2/google: Unable to retrieve AWS security credentials - Not Found."; !reflect.DeepEqual(got, want) {
|
||||
t.Errorf("subjectToken = %q, want %q", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user