initial support for JWT

based on these slides https://developer.apple.com/videos/play/wwdc2016/724/

#63

push/errors.go

@@ -30,6 +30,10 @@ var (
  ErrBadPriority = errors.New("BadPriority")
  ErrBadTopic = errors.New("BadTopic")
 
+ // Token authentication errors.
+ ErrInvalidProviderToken = errors.New("InvalidProviderToken")
+ ErrExpiredProviderToken = errors.New("ExpiredProviderToken")
+
  // Certificate and topic errors.
  ErrBadCertificate = errors.New("BadCertificate")
  ErrBadCertificateEnvironment = errors.New("BadCertificateEnvironment")
@@ -80,6 +84,10 @@ func mapErrorReason(reason string) error {
  e = ErrUnregistered
  case "DuplicateHeaders":
  e = ErrDuplicateHeaders
+ case "InvalidProviderToken":
+ e = ErrInvalidProviderToken
+ case "ExpiredProviderToken":
+ e = ErrExpiredProviderToken
  case "BadCertificateEnvironment":
  e = ErrBadCertificateEnvironment
  case "BadCertificate":
@@ -128,6 +136,10 @@ func (e *Error) Error() string {
  return "the apns-priority value is bad"
  case ErrBadTopic:
  return "the Topic header was invalid"
+ case ErrInvalidProviderToken:
+ return "JWT authentication token is invalid"
+ case ErrExpiredProviderToken:
+ return "JWT authentication token expired"
  case ErrBadCertificate:
  return "the certificate was bad"
  case ErrBadCertificateEnvironment:

push/header.go

@@ -21,6 +21,9 @@ type Headers struct {
 
  // Topic for certificates with multiple topics.
  Topic string
+
+ // Authorization for Token Authentication (JWT)
+ Authorization string
 }
 
 // set headers for an HTTP request
@@ -46,4 +49,8 @@ func (h *Headers) set(reqHeader http.Header) {
  reqHeader.Set("apns-topic", h.Topic)
  }
 
+ if h.Authorization != "" {
+ reqHeader.Set("authorization", "bearer "+h.Authorization)
+ }
+
 }

push/header_test.go

@@ -8,10 +8,11 @@ import (
 
 func TestHeaders(t *testing.T) {
  headers := Headers{
- ID: "uuid",
- Expiration: time.Unix(12622780800, 0),
- LowPriority: true,
- Topic: "bundle-id",
+ ID: "uuid",
+ Expiration: time.Unix(12622780800, 0),
+ LowPriority: true,
+ Topic: "bundle-id",
+ Authorization: "eyJhbGciOiJFUzI1N",
  }
 
  reqHeader := http.Header{}
@@ -21,6 +22,7 @@ func TestHeaders(t *testing.T) {
  testHeader(t, reqHeader, "apns-expiration", "12622780800")
  testHeader(t, reqHeader, "apns-priority", "5")
  testHeader(t, reqHeader, "apns-topic", "bundle-id")
+ testHeader(t, reqHeader, "authorization", "bearer eyJhbGciOiJFUzI1N")
 }
 
 func TestNilHeader(t *testing.T) {
@@ -32,6 +34,7 @@ func TestNilHeader(t *testing.T) {
  testHeader(t, reqHeader, "apns-expiration", "")
  testHeader(t, reqHeader, "apns-priority", "")
  testHeader(t, reqHeader, "apns-topic", "")
+ testHeader(t, reqHeader, "authorization", "")
 }
 
 func TestEmptyHeaders(t *testing.T) {
@@ -43,6 +46,7 @@ func TestEmptyHeaders(t *testing.T) {
  testHeader(t, reqHeader, "apns-expiration", "")
  testHeader(t, reqHeader, "apns-priority", "")
  testHeader(t, reqHeader, "apns-topic", "")
+ testHeader(t, reqHeader, "authorization", "")
 }
 
 func testHeader(t *testing.T, reqHeader http.Header, key, expected string) {