Rename module: middleware -> context

modules/context/auth.go

@@ -0,0 +1,85 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package context
+
+import (
+	"net/url"
+
+	"github.com/go-macaron/csrf"
+	"gopkg.in/macaron.v1"
+
+	"github.com/gogits/gogs/modules/auth"
+	"github.com/gogits/gogs/modules/setting"
+)
+
+type ToggleOptions struct {
+	SignInRequired  bool
+	SignOutRequired bool
+	AdminRequired   bool
+	DisableCSRF     bool
+}
+
+func Toggle(options *ToggleOptions) macaron.Handler {
+	return func(ctx *Context) {
+		// Cannot view any page before installation.
+		if !setting.InstallLock {
+			ctx.Redirect(setting.AppSubUrl + "/install")
+			return
+		}
+
+		// Checking non-logged users landing page.
+		if !ctx.IsSigned && ctx.Req.RequestURI == "/" && setting.LandingPageUrl != setting.LANDING_PAGE_HOME {
+			ctx.Redirect(setting.AppSubUrl + string(setting.LandingPageUrl))
+			return
+		}
+
+		// Redirect to dashboard if user tries to visit any non-login page.
+		if options.SignOutRequired && ctx.IsSigned && ctx.Req.RequestURI != "/" {
+			ctx.Redirect(setting.AppSubUrl + "/")
+			return
+		}
+
+		if !options.SignOutRequired && !options.DisableCSRF && ctx.Req.Method == "POST" && !auth.IsAPIPath(ctx.Req.URL.Path) {
+			csrf.Validate(ctx.Context, ctx.csrf)
+			if ctx.Written() {
+				return
+			}
+		}
+
+		if options.SignInRequired {
+			if !ctx.IsSigned {
+				// Restrict API calls with error message.
+				if auth.IsAPIPath(ctx.Req.URL.Path) {
+					ctx.APIError(403, "", "Only signed in user is allowed to call APIs.")
+					return
+				}
+
+				ctx.SetCookie("redirect_to", url.QueryEscape(setting.AppSubUrl+ctx.Req.RequestURI), 0, setting.AppSubUrl)
+				ctx.Redirect(setting.AppSubUrl + "/user/login")
+				return
+			} else if !ctx.User.IsActive && setting.Service.RegisterEmailConfirm {
+				ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
+				ctx.HTML(200, "user/auth/activate")
+				return
+			}
+		}
+
+		// Redirect to log in page if auto-signin info is provided and has not signed in.
+		if !options.SignOutRequired && !ctx.IsSigned && !auth.IsAPIPath(ctx.Req.URL.Path) &&
+			len(ctx.GetCookie(setting.CookieUserName)) > 0 {
+			ctx.SetCookie("redirect_to", url.QueryEscape(setting.AppSubUrl+ctx.Req.RequestURI), 0, setting.AppSubUrl)
+			ctx.Redirect(setting.AppSubUrl + "/user/login")
+			return
+		}
+
+		if options.AdminRequired {
+			if !ctx.User.IsAdmin {
+				ctx.Error(403)
+				return
+			}
+			ctx.Data["PageIsAdmin"] = true
+		}
+	}
+}