http basic authentication with gin-gonic/gin library

main.go

package main

import (
	"encoding/base64"
	"fmt"
	"net/http"
	"strings"

	"github.com/gin-gonic/gin"
)

func main() {
	fmt.Println("main starting ...")

	router := gin.Default()
	router.Use(func(c *gin.Context) {
		authString := c.Request.Header.Get("Authorization")
		fmt.Println(authString)
		auth := strings.SplitN(authString, " ", 2)
		fmt.Println(auth)
		if len(auth) != 2 || auth[0] != "Basic" {
			c.JSON(http.StatusUnauthorized, gin.H{
				"success": false,
				"message": "Invalid auth",
			})
			c.Abort()
		}
		payload, err := base64.StdEncoding.DecodeString(auth[1])
		if err != nil {
			c.JSON(http.StatusOK, gin.H{
				"success": false,
				"message": err.Error(),
			})
		}
		fmt.Println(payload)
		pair := strings.SplitN(string(payload), ":", 2)
		fmt.Println("User ID: ", pair[0])
		fmt.Println("Password: ", pair[1])

		if pair[0] == "test" && pair[1] == "test" {
			c.Next()
		} else {
			c.JSON(http.StatusUnauthorized, gin.H{
				"success": false,
				"message": "unauthorized",
			})
			c.Abort()
		}
	})
	router.GET("/", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{
			"success": true,
		})
	})
	router.POST("/test", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{
			"success": true,
		})
	})

	router.Run(":9000")
}