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Ginの Middleware と HandlerFunc でデータの受け渡し

Last updated at Posted at 2016-03-04

gin.*Context.Setgin.*Context.Getで、同一リクエストに限ったデータの受け渡しが可能。

ユーザー認証で使用する例

Middleware でユーザーを認証して、HandlerFunc で認証済みのユーザーを取得。

package main
import 	"github.com/gin-gonic/gin"

// Midleware
func AuthRequired() gin.HandlerFunc {
	return func(c *gin.Context) {
		// Some authorization in Authorization
		user := Authorization()
		c.Set("AuthorizedUser", user)
	}
}

// HandlerFunc
func GetProfile(c *gin.Context) {
	user := c.Get("AuthorizedUser")
}


func main() {
	r := gin.Default()
	r.Use(AuthRequired())
	r.GET("/profile", GetProfile)
	r.run()
}
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