Update dependencies to add service fabric mesh via new azure-sdk-go

This commit is contained in:
Jeremy Rickard
2018-08-03 11:57:00 -06:00
parent bcea8b955b
commit 636b4120f1
130 changed files with 9430 additions and 9975 deletions

View File

@@ -26,10 +26,10 @@ const (
// OAuthConfig represents the endpoints needed
// in OAuth operations
type OAuthConfig struct {
AuthorityEndpoint url.URL
AuthorizeEndpoint url.URL
TokenEndpoint url.URL
DeviceCodeEndpoint url.URL
AuthorityEndpoint url.URL `json:"authorityEndpoint"`
AuthorizeEndpoint url.URL `json:"authorizeEndpoint"`
TokenEndpoint url.URL `json:"tokenEndpoint"`
DeviceCodeEndpoint url.URL `json:"deviceCodeEndpoint"`
}
// IsZero returns true if the OAuthConfig object is zero-initialized.

View File

@@ -22,8 +22,10 @@ import (
"crypto/x509"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"math"
"net"
"net/http"
"net/url"
@@ -33,6 +35,7 @@ import (
"time"
"github.com/Azure/go-autorest/autorest/date"
"github.com/Azure/go-autorest/version"
"github.com/dgrijalva/jwt-go"
)
@@ -59,6 +62,9 @@ const (
// msiEndpoint is the well known endpoint for getting MSI authentications tokens
msiEndpoint = "http://169.254.169.254/metadata/identity/oauth2/token"
// the default number of attempts to refresh an MSI authentication token
defaultMaxMSIRefreshAttempts = 5
)
// OAuthTokenProvider is an interface which should be implemented by an access token retriever
@@ -136,6 +142,12 @@ func (t *Token) OAuthToken() string {
return t.AccessToken
}
// ServicePrincipalSecret is an interface that allows various secret mechanism to fill the form
// that is submitted when acquiring an oAuth token.
type ServicePrincipalSecret interface {
SetAuthenticationValues(spt *ServicePrincipalToken, values *url.Values) error
}
// ServicePrincipalNoSecret represents a secret type that contains no secret
// meaning it is not valid for fetching a fresh token. This is used by Manual
type ServicePrincipalNoSecret struct {
@@ -147,15 +159,19 @@ func (noSecret *ServicePrincipalNoSecret) SetAuthenticationValues(spt *ServicePr
return fmt.Errorf("Manually created ServicePrincipalToken does not contain secret material to retrieve a new access token")
}
// ServicePrincipalSecret is an interface that allows various secret mechanism to fill the form
// that is submitted when acquiring an oAuth token.
type ServicePrincipalSecret interface {
SetAuthenticationValues(spt *ServicePrincipalToken, values *url.Values) error
// MarshalJSON implements the json.Marshaler interface.
func (noSecret ServicePrincipalNoSecret) MarshalJSON() ([]byte, error) {
type tokenType struct {
Type string `json:"type"`
}
return json.Marshal(tokenType{
Type: "ServicePrincipalNoSecret",
})
}
// ServicePrincipalTokenSecret implements ServicePrincipalSecret for client_secret type authorization.
type ServicePrincipalTokenSecret struct {
ClientSecret string
ClientSecret string `json:"value"`
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
@@ -165,49 +181,24 @@ func (tokenSecret *ServicePrincipalTokenSecret) SetAuthenticationValues(spt *Ser
return nil
}
// MarshalJSON implements the json.Marshaler interface.
func (tokenSecret ServicePrincipalTokenSecret) MarshalJSON() ([]byte, error) {
type tokenType struct {
Type string `json:"type"`
Value string `json:"value"`
}
return json.Marshal(tokenType{
Type: "ServicePrincipalTokenSecret",
Value: tokenSecret.ClientSecret,
})
}
// ServicePrincipalCertificateSecret implements ServicePrincipalSecret for generic RSA cert auth with signed JWTs.
type ServicePrincipalCertificateSecret struct {
Certificate *x509.Certificate
PrivateKey *rsa.PrivateKey
}
// ServicePrincipalMSISecret implements ServicePrincipalSecret for machines running the MSI Extension.
type ServicePrincipalMSISecret struct {
}
// ServicePrincipalUsernamePasswordSecret implements ServicePrincipalSecret for username and password auth.
type ServicePrincipalUsernamePasswordSecret struct {
Username string
Password string
}
// ServicePrincipalAuthorizationCodeSecret implements ServicePrincipalSecret for authorization code auth.
type ServicePrincipalAuthorizationCodeSecret struct {
ClientSecret string
AuthorizationCode string
RedirectURI string
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (secret *ServicePrincipalAuthorizationCodeSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
v.Set("code", secret.AuthorizationCode)
v.Set("client_secret", secret.ClientSecret)
v.Set("redirect_uri", secret.RedirectURI)
return nil
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (secret *ServicePrincipalUsernamePasswordSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
v.Set("username", secret.Username)
v.Set("password", secret.Password)
return nil
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (msiSecret *ServicePrincipalMSISecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
return nil
}
// SignJwt returns the JWT signed with the certificate's private key.
func (secret *ServicePrincipalCertificateSecret) SignJwt(spt *ServicePrincipalToken) (string, error) {
hasher := sha1.New()
@@ -228,9 +219,9 @@ func (secret *ServicePrincipalCertificateSecret) SignJwt(spt *ServicePrincipalTo
token := jwt.New(jwt.SigningMethodRS256)
token.Header["x5t"] = thumbprint
token.Claims = jwt.MapClaims{
"aud": spt.oauthConfig.TokenEndpoint.String(),
"iss": spt.clientID,
"sub": spt.clientID,
"aud": spt.inner.OauthConfig.TokenEndpoint.String(),
"iss": spt.inner.ClientID,
"sub": spt.inner.ClientID,
"jti": base64.URLEncoding.EncodeToString(jti),
"nbf": time.Now().Unix(),
"exp": time.Now().Add(time.Hour * 24).Unix(),
@@ -253,19 +244,151 @@ func (secret *ServicePrincipalCertificateSecret) SetAuthenticationValues(spt *Se
return nil
}
// MarshalJSON implements the json.Marshaler interface.
func (secret ServicePrincipalCertificateSecret) MarshalJSON() ([]byte, error) {
return nil, errors.New("marshalling ServicePrincipalCertificateSecret is not supported")
}
// ServicePrincipalMSISecret implements ServicePrincipalSecret for machines running the MSI Extension.
type ServicePrincipalMSISecret struct {
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (msiSecret *ServicePrincipalMSISecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
return nil
}
// MarshalJSON implements the json.Marshaler interface.
func (msiSecret ServicePrincipalMSISecret) MarshalJSON() ([]byte, error) {
return nil, errors.New("marshalling ServicePrincipalMSISecret is not supported")
}
// ServicePrincipalUsernamePasswordSecret implements ServicePrincipalSecret for username and password auth.
type ServicePrincipalUsernamePasswordSecret struct {
Username string `json:"username"`
Password string `json:"password"`
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (secret *ServicePrincipalUsernamePasswordSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
v.Set("username", secret.Username)
v.Set("password", secret.Password)
return nil
}
// MarshalJSON implements the json.Marshaler interface.
func (secret ServicePrincipalUsernamePasswordSecret) MarshalJSON() ([]byte, error) {
type tokenType struct {
Type string `json:"type"`
Username string `json:"username"`
Password string `json:"password"`
}
return json.Marshal(tokenType{
Type: "ServicePrincipalUsernamePasswordSecret",
Username: secret.Username,
Password: secret.Password,
})
}
// ServicePrincipalAuthorizationCodeSecret implements ServicePrincipalSecret for authorization code auth.
type ServicePrincipalAuthorizationCodeSecret struct {
ClientSecret string `json:"value"`
AuthorizationCode string `json:"authCode"`
RedirectURI string `json:"redirect"`
}
// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
func (secret *ServicePrincipalAuthorizationCodeSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
v.Set("code", secret.AuthorizationCode)
v.Set("client_secret", secret.ClientSecret)
v.Set("redirect_uri", secret.RedirectURI)
return nil
}
// MarshalJSON implements the json.Marshaler interface.
func (secret ServicePrincipalAuthorizationCodeSecret) MarshalJSON() ([]byte, error) {
type tokenType struct {
Type string `json:"type"`
Value string `json:"value"`
AuthCode string `json:"authCode"`
Redirect string `json:"redirect"`
}
return json.Marshal(tokenType{
Type: "ServicePrincipalAuthorizationCodeSecret",
Value: secret.ClientSecret,
AuthCode: secret.AuthorizationCode,
Redirect: secret.RedirectURI,
})
}
// ServicePrincipalToken encapsulates a Token created for a Service Principal.
type ServicePrincipalToken struct {
token Token
secret ServicePrincipalSecret
oauthConfig OAuthConfig
clientID string
resource string
autoRefresh bool
refreshLock *sync.RWMutex
refreshWithin time.Duration
sender Sender
inner servicePrincipalToken
refreshLock *sync.RWMutex
sender Sender
refreshCallbacks []TokenRefreshCallback
// MaxMSIRefreshAttempts is the maximum number of attempts to refresh an MSI token.
MaxMSIRefreshAttempts int
}
// MarshalTokenJSON returns the marshalled inner token.
func (spt ServicePrincipalToken) MarshalTokenJSON() ([]byte, error) {
return json.Marshal(spt.inner.Token)
}
// SetRefreshCallbacks replaces any existing refresh callbacks with the specified callbacks.
func (spt *ServicePrincipalToken) SetRefreshCallbacks(callbacks []TokenRefreshCallback) {
spt.refreshCallbacks = callbacks
}
// MarshalJSON implements the json.Marshaler interface.
func (spt ServicePrincipalToken) MarshalJSON() ([]byte, error) {
return json.Marshal(spt.inner)
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (spt *ServicePrincipalToken) UnmarshalJSON(data []byte) error {
// need to determine the token type
raw := map[string]interface{}{}
err := json.Unmarshal(data, &raw)
if err != nil {
return err
}
secret := raw["secret"].(map[string]interface{})
switch secret["type"] {
case "ServicePrincipalNoSecret":
spt.inner.Secret = &ServicePrincipalNoSecret{}
case "ServicePrincipalTokenSecret":
spt.inner.Secret = &ServicePrincipalTokenSecret{}
case "ServicePrincipalCertificateSecret":
return errors.New("unmarshalling ServicePrincipalCertificateSecret is not supported")
case "ServicePrincipalMSISecret":
return errors.New("unmarshalling ServicePrincipalMSISecret is not supported")
case "ServicePrincipalUsernamePasswordSecret":
spt.inner.Secret = &ServicePrincipalUsernamePasswordSecret{}
case "ServicePrincipalAuthorizationCodeSecret":
spt.inner.Secret = &ServicePrincipalAuthorizationCodeSecret{}
default:
return fmt.Errorf("unrecognized token type '%s'", secret["type"])
}
err = json.Unmarshal(data, &spt.inner)
if err != nil {
return err
}
spt.refreshLock = &sync.RWMutex{}
spt.sender = &http.Client{}
return nil
}
// internal type used for marshalling/unmarshalling
type servicePrincipalToken struct {
Token Token `json:"token"`
Secret ServicePrincipalSecret `json:"secret"`
OauthConfig OAuthConfig `json:"oauth"`
ClientID string `json:"clientID"`
Resource string `json:"resource"`
AutoRefresh bool `json:"autoRefresh"`
RefreshWithin time.Duration `json:"refreshWithin"`
}
func validateOAuthConfig(oac OAuthConfig) error {
@@ -290,13 +413,15 @@ func NewServicePrincipalTokenWithSecret(oauthConfig OAuthConfig, id string, reso
return nil, fmt.Errorf("parameter 'secret' cannot be nil")
}
spt := &ServicePrincipalToken{
oauthConfig: oauthConfig,
secret: secret,
clientID: id,
resource: resource,
autoRefresh: true,
inner: servicePrincipalToken{
OauthConfig: oauthConfig,
Secret: secret,
ClientID: id,
Resource: resource,
AutoRefresh: true,
RefreshWithin: defaultRefresh,
},
refreshLock: &sync.RWMutex{},
refreshWithin: defaultRefresh,
sender: &http.Client{},
refreshCallbacks: callbacks,
}
@@ -327,7 +452,39 @@ func NewServicePrincipalTokenFromManualToken(oauthConfig OAuthConfig, clientID s
return nil, err
}
spt.token = token
spt.inner.Token = token
return spt, nil
}
// NewServicePrincipalTokenFromManualTokenSecret creates a ServicePrincipalToken using the supplied token and secret
func NewServicePrincipalTokenFromManualTokenSecret(oauthConfig OAuthConfig, clientID string, resource string, token Token, secret ServicePrincipalSecret, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
if err := validateOAuthConfig(oauthConfig); err != nil {
return nil, err
}
if err := validateStringParam(clientID, "clientID"); err != nil {
return nil, err
}
if err := validateStringParam(resource, "resource"); err != nil {
return nil, err
}
if secret == nil {
return nil, fmt.Errorf("parameter 'secret' cannot be nil")
}
if token.IsZero() {
return nil, fmt.Errorf("parameter 'token' cannot be zero-initialized")
}
spt, err := NewServicePrincipalTokenWithSecret(
oauthConfig,
clientID,
resource,
secret,
callbacks...)
if err != nil {
return nil, err
}
spt.inner.Token = token
return spt, nil
}
@@ -495,20 +652,23 @@ func newServicePrincipalTokenFromMSI(msiEndpoint, resource string, userAssignedI
msiEndpointURL.RawQuery = v.Encode()
spt := &ServicePrincipalToken{
oauthConfig: OAuthConfig{
TokenEndpoint: *msiEndpointURL,
inner: servicePrincipalToken{
OauthConfig: OAuthConfig{
TokenEndpoint: *msiEndpointURL,
},
Secret: &ServicePrincipalMSISecret{},
Resource: resource,
AutoRefresh: true,
RefreshWithin: defaultRefresh,
},
secret: &ServicePrincipalMSISecret{},
resource: resource,
autoRefresh: true,
refreshLock: &sync.RWMutex{},
refreshWithin: defaultRefresh,
sender: &http.Client{},
refreshCallbacks: callbacks,
refreshLock: &sync.RWMutex{},
sender: &http.Client{},
refreshCallbacks: callbacks,
MaxMSIRefreshAttempts: defaultMaxMSIRefreshAttempts,
}
if userAssignedID != nil {
spt.clientID = *userAssignedID
spt.inner.ClientID = *userAssignedID
}
return spt, nil
@@ -543,12 +703,12 @@ func (spt *ServicePrincipalToken) EnsureFresh() error {
// EnsureFreshWithContext will refresh the token if it will expire within the refresh window (as set by
// RefreshWithin) and autoRefresh flag is on. This method is safe for concurrent use.
func (spt *ServicePrincipalToken) EnsureFreshWithContext(ctx context.Context) error {
if spt.autoRefresh && spt.token.WillExpireIn(spt.refreshWithin) {
if spt.inner.AutoRefresh && spt.inner.Token.WillExpireIn(spt.inner.RefreshWithin) {
// take the write lock then check to see if the token was already refreshed
spt.refreshLock.Lock()
defer spt.refreshLock.Unlock()
if spt.token.WillExpireIn(spt.refreshWithin) {
return spt.refreshInternal(ctx, spt.resource)
if spt.inner.Token.WillExpireIn(spt.inner.RefreshWithin) {
return spt.refreshInternal(ctx, spt.inner.Resource)
}
}
return nil
@@ -558,7 +718,7 @@ func (spt *ServicePrincipalToken) EnsureFreshWithContext(ctx context.Context) er
func (spt *ServicePrincipalToken) InvokeRefreshCallbacks(token Token) error {
if spt.refreshCallbacks != nil {
for _, callback := range spt.refreshCallbacks {
err := callback(spt.token)
err := callback(spt.inner.Token)
if err != nil {
return fmt.Errorf("adal: TokenRefreshCallback handler failed. Error = '%v'", err)
}
@@ -578,7 +738,7 @@ func (spt *ServicePrincipalToken) Refresh() error {
func (spt *ServicePrincipalToken) RefreshWithContext(ctx context.Context) error {
spt.refreshLock.Lock()
defer spt.refreshLock.Unlock()
return spt.refreshInternal(ctx, spt.resource)
return spt.refreshInternal(ctx, spt.inner.Resource)
}
// RefreshExchange refreshes the token, but for a different resource.
@@ -596,7 +756,7 @@ func (spt *ServicePrincipalToken) RefreshExchangeWithContext(ctx context.Context
}
func (spt *ServicePrincipalToken) getGrantType() string {
switch spt.secret.(type) {
switch spt.inner.Secret.(type) {
case *ServicePrincipalUsernamePasswordSecret:
return OAuthGrantTypeUserPass
case *ServicePrincipalAuthorizationCodeSecret:
@@ -615,22 +775,31 @@ func isIMDS(u url.URL) bool {
}
func (spt *ServicePrincipalToken) refreshInternal(ctx context.Context, resource string) error {
req, err := http.NewRequest(http.MethodPost, spt.oauthConfig.TokenEndpoint.String(), nil)
req, err := http.NewRequest(http.MethodPost, spt.inner.OauthConfig.TokenEndpoint.String(), nil)
if err != nil {
return fmt.Errorf("adal: Failed to build the refresh request. Error = '%v'", err)
}
req.Header.Add("User-Agent", version.UserAgent())
req = req.WithContext(ctx)
if !isIMDS(spt.oauthConfig.TokenEndpoint) {
if !isIMDS(spt.inner.OauthConfig.TokenEndpoint) {
v := url.Values{}
v.Set("client_id", spt.clientID)
v.Set("client_id", spt.inner.ClientID)
v.Set("resource", resource)
if spt.token.RefreshToken != "" {
if spt.inner.Token.RefreshToken != "" {
v.Set("grant_type", OAuthGrantTypeRefreshToken)
v.Set("refresh_token", spt.token.RefreshToken)
v.Set("refresh_token", spt.inner.Token.RefreshToken)
// web apps must specify client_secret when refreshing tokens
// see https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-protocols-oauth-code#refreshing-the-access-tokens
if spt.getGrantType() == OAuthGrantTypeAuthorizationCode {
err := spt.inner.Secret.SetAuthenticationValues(spt, &v)
if err != nil {
return err
}
}
} else {
v.Set("grant_type", spt.getGrantType())
err := spt.secret.SetAuthenticationValues(spt, &v)
err := spt.inner.Secret.SetAuthenticationValues(spt, &v)
if err != nil {
return err
}
@@ -643,14 +812,14 @@ func (spt *ServicePrincipalToken) refreshInternal(ctx context.Context, resource
req.Body = body
}
if _, ok := spt.secret.(*ServicePrincipalMSISecret); ok {
if _, ok := spt.inner.Secret.(*ServicePrincipalMSISecret); ok {
req.Method = http.MethodGet
req.Header.Set(metadataHeader, "true")
}
var resp *http.Response
if isIMDS(spt.oauthConfig.TokenEndpoint) {
resp, err = retry(spt.sender, req)
if isIMDS(spt.inner.OauthConfig.TokenEndpoint) {
resp, err = retryForIMDS(spt.sender, req, spt.MaxMSIRefreshAttempts)
} else {
resp, err = spt.sender.Do(req)
}
@@ -684,12 +853,14 @@ func (spt *ServicePrincipalToken) refreshInternal(ctx context.Context, resource
return fmt.Errorf("adal: Failed to unmarshal the service principal token during refresh. Error = '%v' JSON = '%s'", err, string(rb))
}
spt.token = token
spt.inner.Token = token
return spt.InvokeRefreshCallbacks(token)
}
func retry(sender Sender, req *http.Request) (resp *http.Response, err error) {
// retry logic specific to retrieving a token from the IMDS endpoint
func retryForIMDS(sender Sender, req *http.Request, maxAttempts int) (resp *http.Response, err error) {
// copied from client.go due to circular dependency
retries := []int{
http.StatusRequestTimeout, // 408
http.StatusTooManyRequests, // 429
@@ -698,8 +869,10 @@ func retry(sender Sender, req *http.Request) (resp *http.Response, err error) {
http.StatusServiceUnavailable, // 503
http.StatusGatewayTimeout, // 504
}
// Extra retry status codes requered
retries = append(retries, http.StatusNotFound,
// extra retry status codes specific to IMDS
retries = append(retries,
http.StatusNotFound,
http.StatusGone,
// all remaining 5xx
http.StatusNotImplemented,
http.StatusHTTPVersionNotSupported,
@@ -709,36 +882,52 @@ func retry(sender Sender, req *http.Request) (resp *http.Response, err error) {
http.StatusNotExtended,
http.StatusNetworkAuthenticationRequired)
// see https://docs.microsoft.com/en-us/azure/active-directory/managed-service-identity/how-to-use-vm-token#retry-guidance
const maxDelay time.Duration = 60 * time.Second
attempt := 0
maxAttempts := 5
delay := time.Duration(0)
for attempt < maxAttempts {
resp, err = sender.Do(req)
// retry on temporary network errors, e.g. transient network failures.
if (err != nil && !isTemporaryNetworkError(err)) || resp.StatusCode == http.StatusOK || !containsInt(retries, resp.StatusCode) {
// if we don't receive a response then assume we can't connect to the
// endpoint so we're likely not running on an Azure VM so don't retry.
if (err != nil && !isTemporaryNetworkError(err)) || resp == nil || resp.StatusCode == http.StatusOK || !containsInt(retries, resp.StatusCode) {
return
}
if !delay(resp, req.Context().Done()) {
select {
case <-time.After(time.Second):
attempt++
case <-req.Context().Done():
err = req.Context().Err()
return
}
// perform exponential backoff with a cap.
// must increment attempt before calculating delay.
attempt++
// the base value of 2 is the "delta backoff" as specified in the guidance doc
delay += (time.Duration(math.Pow(2, float64(attempt))) * time.Second)
if delay > maxDelay {
delay = maxDelay
}
select {
case <-time.After(delay):
// intentionally left blank
case <-req.Context().Done():
err = req.Context().Err()
return
}
}
return
}
// returns true if the specified error is a temporary network error or false if it's not.
// if the error doesn't implement the net.Error interface the return value is true.
func isTemporaryNetworkError(err error) bool {
if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
if netErr, ok := err.(net.Error); !ok || (ok && netErr.Temporary()) {
return true
}
return false
}
// returns true if slice ints contains the value n
func containsInt(ints []int, n int) bool {
for _, i := range ints {
if i == n {
@@ -748,31 +937,15 @@ func containsInt(ints []int, n int) bool {
return false
}
func delay(resp *http.Response, cancel <-chan struct{}) bool {
if resp == nil {
return false
}
retryAfter, _ := strconv.Atoi(resp.Header.Get("Retry-After"))
if resp.StatusCode == http.StatusTooManyRequests && retryAfter > 0 {
select {
case <-time.After(time.Duration(retryAfter) * time.Second):
return true
case <-cancel:
return false
}
}
return false
}
// SetAutoRefresh enables or disables automatic refreshing of stale tokens.
func (spt *ServicePrincipalToken) SetAutoRefresh(autoRefresh bool) {
spt.autoRefresh = autoRefresh
spt.inner.AutoRefresh = autoRefresh
}
// SetRefreshWithin sets the interval within which if the token will expire, EnsureFresh will
// refresh the token.
func (spt *ServicePrincipalToken) SetRefreshWithin(d time.Duration) {
spt.refreshWithin = d
spt.inner.RefreshWithin = d
return
}
@@ -784,12 +957,12 @@ func (spt *ServicePrincipalToken) SetSender(s Sender) { spt.sender = s }
func (spt *ServicePrincipalToken) OAuthToken() string {
spt.refreshLock.RLock()
defer spt.refreshLock.RUnlock()
return spt.token.OAuthToken()
return spt.inner.Token.OAuthToken()
}
// Token returns a copy of the current token.
func (spt *ServicePrincipalToken) Token() Token {
spt.refreshLock.RLock()
defer spt.refreshLock.RUnlock()
return spt.token
return spt.inner.Token
}