Set proxy origin

Godeps/Godeps.json

@@ -12,6 +12,11 @@
 			"Comment": "v6.1.0-4-g6cef6a7",
 			"Rev": "6cef6a7f8b01a4288118f1a4c5c303f117c1c7f0"
 		},
+		{
+			"ImportPath": "github.com/gin-contrib/cors",
+			"Comment": "v1.3.0-1-g2a8f489",
+			"Rev": "2a8f489b42294786cbf465c1f20588b49117f1fe"
+		},
 		{
 			"ImportPath": "github.com/gin-contrib/sse",
 			"Comment": "v0.1.0-1-g43f0f29",

main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"gitea-issue/giteaClient"
 	"github.com/caarlos0/env"
+	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
 	"github.com/jinzhu/gorm"
 	_ "github.com/jinzhu/gorm/dialects/sqlite"
@@ -14,8 +15,13 @@ import (
 var (
 	db *gorm.DB
 	giteaConfig giteaClient.GiteaConfig
+	proxyConfig ProxyConfig
 )
 
+type ProxyConfig struct {
+	ProjectOrigin   string `env:"PROJECT_ORIGIN,required"`
+}
+
 func init() {
 	//open a db connection
 	var err error
@@ -26,6 +32,9 @@ func init() {
 	if err := env.Parse(&giteaConfig); err != nil {
 		panic("ENV error")
 	}
+	if err := env.Parse(&proxyConfig); err != nil {
+		panic("ENV error")
+	}
 
 	giteaClient.SetUp(giteaConfig)
 	db.AutoMigrate(&userModel{})
@@ -34,6 +43,9 @@ func init() {
 func main() {
 
 	router := gin.Default()
+	config := cors.DefaultConfig()
+	config.AllowOrigins = []string{proxyConfig.ProjectOrigin}
+	router.Use(cors.New(config))
 
 	v1 := router.Group("/api/v1/issues")
 	{