update ios cert config.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

global.go

@@ -1,5 +1,10 @@
 package main
 
+import (
+	"crypto/tls"
+)
+
 var (
 	PushConf ConfYaml
+	CertificatePemIos tls.Certificate
 )

main.go

@@ -6,6 +6,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"log"
 	"net/http"
+	"github.com/sideshow/apns2/certificate"
 )
 
 func AbortWithError(c *gin.Context, code int, message string) {
@@ -55,11 +56,13 @@ func GetMainEngine() *gin.Engine {
 }
 
 func main() {
+	var err error
 
-	// set default parameters
+	// set default parameters.
 	PushConf = BuildDefaultPushConf()
 
-	config, err := LoadConfYaml("config.yaml")
+	// load user define config.
+	PushConf, err = LoadConfYaml("config.yaml")
 
 	if err != nil {
 		log.Printf("Unable to load config file: '%v'", err)
@@ -67,7 +70,13 @@ func main() {
 		return
 	}
 
-	PushConf = config
+	CertificatePemIos, err = certificate.FromPemFile(PushConf.Ios.PemKeyPath, "")
+
+	if err != nil {
+		log.Println("Cert Error:", err)
+
+		return
+	}
 
 	endless.ListenAndServe(":"+PushConf.Core.Port, GetMainEngine())
 }

notification.go

@@ -3,7 +3,6 @@ package main
 import (
 	"github.com/google/go-gcm"
 	apns "github.com/sideshow/apns2"
-	"github.com/sideshow/apns2/certificate"
 	"github.com/sideshow/apns2/payload"
 	"log"
 )
@@ -64,12 +63,7 @@ func pushNotification(notification RequestPushNotification) bool {
 		success bool
 	)
 
-	cert, err := certificate.FromPemFile("./key.pem", "")
-	if err != nil {
-		log.Println("Cert Error:", err)
-	}
-
-	apnsClient := apns.NewClient(cert).Development()
+	apnsClient := apns.NewClient(CertificatePemIos).Development()
 
 	switch notification.Platform {
 	case PlatFormIos: