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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package middleware
import (
"context"
"net/http"
"github.com/miniflux/miniflux/logger"
"github.com/miniflux/miniflux/model"
"github.com/miniflux/miniflux/server/cookie"
"github.com/miniflux/miniflux/server/route"
"github.com/miniflux/miniflux/storage"
"github.com/gorilla/mux"
)
// UserSessionMiddleware represents a user session middleware.
type UserSessionMiddleware struct {
store *storage.Storage
router *mux.Router
}
// Handler execute the middleware.
func (s *UserSessionMiddleware) Handler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
session := s.getSessionFromCookie(r)
if session == nil {
logger.Debug("[Middleware:UserSession] Session not found")
if s.isPublicRoute(r) {
next.ServeHTTP(w, r)
} else {
http.Redirect(w, r, route.Path(s.router, "login"), http.StatusFound)
}
} else {
logger.Debug("[Middleware:UserSession] %s", session)
ctx := r.Context()
ctx = context.WithValue(ctx, UserIDContextKey, session.UserID)
ctx = context.WithValue(ctx, IsAuthenticatedContextKey, true)
ctx = context.WithValue(ctx, UserSessionTokenContextKey, session.Token)
next.ServeHTTP(w, r.WithContext(ctx))
}
})
}
func (s *UserSessionMiddleware) isPublicRoute(r *http.Request) bool {
route := mux.CurrentRoute(r)
switch route.GetName() {
case "login", "checkLogin", "stylesheet", "javascript", "oauth2Redirect", "oauth2Callback", "appIcon", "favicon":
return true
default:
return false
}
}
func (s *UserSessionMiddleware) getSessionFromCookie(r *http.Request) *model.UserSession {
sessionCookie, err := r.Cookie(cookie.CookieUserSessionID)
if err == http.ErrNoCookie {
return nil
}
session, err := s.store.UserSessionByToken(sessionCookie.Value)
if err != nil {
logger.Error("[Middleware:UserSession] %v", err)
return nil
}
return session
}
// NewUserSessionMiddleware returns a new UserSessionMiddleware.
func NewUserSessionMiddleware(s *storage.Storage, r *mux.Router) *UserSessionMiddleware {
return &UserSessionMiddleware{store: s, router: r}
}
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