mirror of
https://github.com/labstack/echo.git
synced 2024-12-22 20:06:21 +02:00
72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package main
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import (
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"net/http"
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"time"
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jwt "github.com/dgrijalva/jwt-go"
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"github.com/labstack/echo"
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"github.com/labstack/echo/middleware"
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)
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func login(c echo.Context) error {
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username := c.FormValue("username")
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password := c.FormValue("password")
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if username == "jon" && password == "shhh!" {
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// Create token
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token := jwt.New(jwt.SigningMethodHS256)
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// Set claims
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claims := token.Claims.(jwt.MapClaims)
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claims["name"] = "Jon Snow"
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claims["admin"] = true
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claims["exp"] = time.Now().Add(time.Hour * 72).Unix()
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// Generate encoded token and send it as response.
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t, err := token.SignedString([]byte("secret"))
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if err != nil {
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return err
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}
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return c.JSON(http.StatusOK, map[string]string{
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"token": t,
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})
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}
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return echo.ErrUnauthorized
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}
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func accessible(c echo.Context) error {
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return c.String(http.StatusOK, "Accessible")
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}
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func restricted(c echo.Context) error {
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user := c.Get("user").(*jwt.Token)
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claims := user.Claims.(jwt.MapClaims)
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name := claims["name"].(string)
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return c.String(http.StatusOK, "Welcome "+name+"!")
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}
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func main() {
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e := echo.New()
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// Middleware
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e.Use(middleware.Logger())
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e.Use(middleware.Recover())
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// Login route
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e.POST("/login", login)
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// Unauthenticated route
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e.GET("/", accessible)
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// Restricted group
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r := e.Group("/restricted")
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r.Use(middleware.JWT([]byte("secret")))
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r.GET("", restricted)
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if err := e.Start(":1323"); err != nil {
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e.Logger.Fatal(err)
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}
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}
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