aceberg/ForAuth

package web

import (
    "log"
    // "fmt"
    "net/http"
    "net/http/httputil"

    "github.com/gin-gonic/gin"

    "github.com/aceberg/ForAuth/internal/auth"
    "github.com/aceberg/ForAuth/internal/models"
    "github.com/aceberg/ForAuth/internal/notify"
)

func loginHandler(c *gin.Context) {

    authOk := auth.Auth(c, &authConf)
    if authOk {
        reverseProxy(c)
    } else {
        loginScreen(c)
    }
}

func reverseProxy(c *gin.Context) {

    director := func(req *http.Request) {
        req.URL.Scheme = "http"
        req.URL.Host = appConfig.Target
    }

    proxy := &httputil.ReverseProxy{Director: director}
    proxy.ServeHTTP(c.Writer, c.Request)
}

func loginScreen(c *gin.Context) {
    var guiData models.GuiData

    username := c.PostForm("username")
    password := c.PostForm("password")

    if username == authConf.User && auth.MatchPasswords(authConf.Password, password) {

        msg := "User '" + username + "' logged in. Session expires in " + authConf.Expire.String() + ". Target: " + appConfig.Target
        log.Println("INFO:", msg)
        notify.Shout("ForAuth: "+msg, appConfig.Notify)

        auth.StartSession(c)

        c.Redirect(http.StatusFound, "/")
    } else {
        guiData.Config = appConfig

        c.HTML(http.StatusOK, "header.html", guiData)
        c.HTML(http.StatusOK, "login.html", guiData)
    }
}