Update vendor

vendor/github.com/labstack/echo/cookbook/twitter/handler/user.go

@@ -0,0 +1,97 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	jwt "github.com/dgrijalva/jwt-go"
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/cookbook/twitter/model"
+	mgo "gopkg.in/mgo.v2"
+	"gopkg.in/mgo.v2/bson"
+)
+
+func (h *Handler) Signup(c echo.Context) (err error) {
+	// Bind
+	u := &model.User{ID: bson.NewObjectId()}
+	if err = c.Bind(u); err != nil {
+		return
+	}
+
+	// Validate
+	if u.Email == "" || u.Password == "" {
+		return &echo.HTTPError{Code: http.StatusBadRequest, Message: "invalid email or password"}
+	}
+
+	// Save user
+	db := h.DB.Clone()
+	defer db.Close()
+	if err = db.DB("twitter").C("users").Insert(u); err != nil {
+		return
+	}
+
+	return c.JSON(http.StatusCreated, u)
+}
+
+func (h *Handler) Login(c echo.Context) (err error) {
+	// Bind
+	u := new(model.User)
+	if err = c.Bind(u); err != nil {
+		return
+	}
+
+	// Find user
+	db := h.DB.Clone()
+	defer db.Close()
+	if err = db.DB("twitter").C("users").
+		Find(bson.M{"email": u.Email, "password": u.Password}).One(u); err != nil {
+		if err == mgo.ErrNotFound {
+			return &echo.HTTPError{Code: http.StatusUnauthorized, Message: "invalid email or password"}
+		}
+		return
+	}
+
+	//-----
+	// JWT
+	//-----
+
+	// Create token
+	token := jwt.New(jwt.SigningMethodHS256)
+
+	// Set claims
+	claims := token.Claims.(jwt.MapClaims)
+	claims["id"] = u.ID
+	claims["exp"] = time.Now().Add(time.Hour * 72).Unix()
+
+	// Generate encoded token and send it as response
+	u.Token, err = token.SignedString([]byte(Key))
+	if err != nil {
+		return err
+	}
+
+	u.Password = "" // Don't send password
+	return c.JSON(http.StatusOK, u)
+}
+
+func (h *Handler) Follow(c echo.Context) (err error) {
+	userID := userIDFromToken(c)
+	id := c.Param("id")
+
+	// Add a follower to user
+	db := h.DB.Clone()
+	defer db.Close()
+	if err = db.DB("twitter").C("users").
+		UpdateId(bson.ObjectIdHex(id), bson.M{"$addToSet": bson.M{"followers": userID}}); err != nil {
+		if err == mgo.ErrNotFound {
+			return echo.ErrNotFound
+		}
+	}
+
+	return
+}
+
+func userIDFromToken(c echo.Context) string {
+	user := c.Get("user").(*jwt.Token)
+	claims := user.Claims.(jwt.MapClaims)
+	return claims["id"].(string)
+}