Files
fn-serverless/examples/blog/routes/server.go
2016-08-30 16:47:34 -03:00

146 lines
3.4 KiB
Go

package route
import (
"encoding/json"
"fmt"
"os"
"strings"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/iron-io/functions/examples/blog/database"
"github.com/iron-io/functions/examples/blog/models"
"golang.org/x/crypto/bcrypt"
)
// import "github.com/iron-io/functions/examples/blog/database"
var jwtSignKey = []byte("mysecretblog")
type Response map[string]interface{}
func SendResponse(resp Response) {
data, _ := json.Marshal(resp)
fmt.Println(string(data))
}
func SendError(err interface{}) {
SendResponse(Response{
"error": err,
})
}
func HandleToken(db *database.Database) {
var login *models.User
err := json.Unmarshal([]byte(os.Getenv("PAYLOAD")), &login)
if err != nil {
fmt.Println("Missing username and password")
return
}
user, err := db.GetUser(login.Username)
if err != nil {
SendError("Couldn't create a token")
return
}
if err := bcrypt.CompareHashAndPassword(user.Password, []byte(login.NewPassword)); err != nil {
SendError("Couldn't create a token")
return
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"user": login.Username,
"exp": time.Now().Add(1 * time.Hour),
})
// Sign and get the complete encoded token as a string using the secret
tokenString, err := token.SignedString(jwtSignKey)
if err != nil {
SendError("Couldn't create a token")
return
}
SendResponse(Response{"token": tokenString})
}
func Authentication() (map[string]interface{}, bool) {
authorization := os.Getenv("HEADER_AUTHORIZATION")
p := strings.Split(authorization, " ")
if len(p) <= 1 {
return nil, false
}
token, err := jwt.Parse(p[1], func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
}
return jwtSignKey, nil
})
if err != nil {
return nil, false
}
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
return claims, true
}
return nil, false
}
// func New(db *database.Database) *gin.Engine {
// DB = db
// r := gin.New()
// r.POST("/auth", func(c *gin.Context) {
// username := c.PostForm("username")
// password := c.PostForm("password")
// user, err := db.GetUser(username)
// if err != nil {
// c.JSON(500, gin.H{"message": "Could not generate token"})
// return
// }
// err = bcrypt.CompareHashAndPassword(user.Password, []byte(password))
// if err != nil {
// c.JSON(500, gin.H{"message": "Could not generate token"})
// return
// }
// token := jwt_lib.New(jwt_lib.GetSigningMethod("HS256"))
// claims := token.Claims.(jwt_lib.MapClaims)
// claims["ID"] = username
// claims["exp"] = time.Now().Add(time.Hour * 1).Unix()
// tokenString, err := token.SignedString([]byte(jwtSignKey))
// if err != nil {
// c.JSON(500, gin.H{"message": "Could not generate token"})
// return
// }
// c.JSON(200, gin.H{"token": tokenString})
// })
// r.POST("/testuser", func(c *gin.Context) {
// _, err := db.SaveUser(&models.User{
// Username: "test",
// Password: []byte("test"),
// })
// if err != nil {
// c.JSON(500, gin.H{"message": "Could create test user"})
// return
// }
// c.JSON(200, gin.H{"message": "test user created"})
// })
// blog := r.Group("/blog")
// blog.Use(jwtAuth(jwtSignKey))
// blog.GET("/posts", handlePostList)
// blog.POST("/posts", handlePostCreate)
// blog.GET("/posts/:id", handlePostRead)
// return r
// }