Refactor handlers package

Fixes #19.

handlers/token.go

@@ -0,0 +1,90 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"time"
+
+	"github.com/thermokarst/bactdb/Godeps/_workspace/src/github.com/gorilla/context"
+	"github.com/thermokarst/bactdb/Godeps/_workspace/src/github.com/thermokarst/jwt"
+	"github.com/thermokarst/bactdb/auth"
+	"github.com/thermokarst/bactdb/errors"
+	"github.com/thermokarst/bactdb/helpers"
+	"github.com/thermokarst/bactdb/models"
+	"github.com/thermokarst/bactdb/types"
+)
+
+func verifyClaims(claims []byte, r *http.Request) error {
+	// TODO: use helper
+	currentTime := time.Now()
+	var c types.Claims
+	err := json.Unmarshal(claims, &c)
+	if err != nil {
+		return err
+	}
+	if currentTime.After(time.Unix(c.Exp, 0)) {
+		return errors.ErrExpiredToken
+	}
+	context.Set(r, "claims", c)
+	return nil
+}
+func tokenHandler(h http.Handler) http.Handler {
+	token := func(w http.ResponseWriter, r *http.Request) {
+		recorder := httptest.NewRecorder()
+		h.ServeHTTP(recorder, r)
+
+		for key, val := range recorder.Header() {
+			w.Header()[key] = val
+		}
+
+		w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+		w.WriteHeader(recorder.Code)
+
+		tokenData := string(recorder.Body.Bytes())
+
+		var data []byte
+
+		if recorder.Code != 200 {
+			data, _ = json.Marshal(struct {
+				Error string `json:"error"`
+			}{
+				Error: tokenData,
+			})
+		} else {
+			data, _ = json.Marshal(struct {
+				Token string `json:"token"`
+			}{
+				Token: tokenData,
+			})
+		}
+
+		w.Write(data)
+		return
+
+	}
+	return http.HandlerFunc(token)
+}
+
+func tokenRefresh(j *jwt.Middleware) errorHandler {
+	t := func(w http.ResponseWriter, r *http.Request) *types.AppError {
+		claims := helpers.GetClaims(r)
+		user, err := models.GetUser(claims.Sub, "", &claims)
+		if err != nil {
+			return newJSONError(err, http.StatusInternalServerError)
+		}
+		user.Password = ""
+		token, err := auth.Middleware.CreateToken(user.Email)
+		if err != nil {
+			return newJSONError(err, http.StatusInternalServerError)
+		}
+		data, _ := json.Marshal(struct {
+			Token string `json:"token"`
+		}{
+			Token: token,
+		})
+		w.Write(data)
+		return nil
+	}
+	return t
+}