134 lines
3.4 KiB
Go
134 lines
3.4 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package middleware
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import (
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"fmt"
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"net/url"
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"github.com/go-macaron/csrf"
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"gopkg.in/macaron.v1"
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"github.com/gogits/gogs/models"
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"github.com/gogits/gogs/modules/auth"
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"github.com/gogits/gogs/modules/base"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/setting"
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)
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type ToggleOptions struct {
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SignInRequire bool
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SignOutRequire bool
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AdminRequire bool
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DisableCsrf bool
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}
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// AutoSignIn reads cookie and try to auto-login.
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func AutoSignIn(ctx *Context) (bool, error) {
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if !models.HasEngine {
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return false, nil
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}
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uname := ctx.GetCookie(setting.CookieUserName)
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if len(uname) == 0 {
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return false, nil
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}
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isSucceed := false
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defer func() {
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if !isSucceed {
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log.Trace("auto-login cookie cleared: %s", uname)
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ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubUrl)
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ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubUrl)
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}
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}()
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u, err := models.GetUserByName(uname)
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if err != nil {
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if !models.IsErrUserNotExist(err) {
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return false, fmt.Errorf("GetUserByName: %v", err)
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}
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return false, nil
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}
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if val, _ := ctx.GetSuperSecureCookie(
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base.EncodeMD5(u.Rands+u.Passwd), setting.CookieRememberName); val != u.Name {
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return false, nil
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}
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isSucceed = true
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ctx.Session.Set("uid", u.Id)
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ctx.Session.Set("uname", u.Name)
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return true, nil
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}
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func Toggle(options *ToggleOptions) macaron.Handler {
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return func(ctx *Context) {
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// Cannot view any page before installation.
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if !setting.InstallLock {
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ctx.Redirect(setting.AppSubUrl + "/install")
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return
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}
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// Checking non-logged users landing page.
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if !ctx.IsSigned && ctx.Req.RequestURI == "/" && setting.LandingPageUrl != setting.LANDING_PAGE_HOME {
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ctx.Redirect(setting.AppSubUrl + string(setting.LandingPageUrl))
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return
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}
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// Redirect to dashboard if user tries to visit any non-login page.
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if options.SignOutRequire && ctx.IsSigned && ctx.Req.RequestURI != "/" {
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ctx.Redirect(setting.AppSubUrl + "/")
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return
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}
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if !options.SignOutRequire && !options.DisableCsrf && ctx.Req.Method == "POST" && !auth.IsAPIPath(ctx.Req.URL.Path) {
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csrf.Validate(ctx.Context, ctx.csrf)
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if ctx.Written() {
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return
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}
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}
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if options.SignInRequire {
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if !ctx.IsSigned {
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// Restrict API calls with error message.
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if auth.IsAPIPath(ctx.Req.URL.Path) {
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ctx.APIError(403, "", "Only signed in user is allowed to call APIs.")
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return
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}
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ctx.SetCookie("redirect_to", url.QueryEscape(setting.AppSubUrl+ctx.Req.RequestURI), 0, setting.AppSubUrl)
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ctx.Redirect(setting.AppSubUrl + "/user/login")
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return
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} else if !ctx.User.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.HTML(200, "user/auth/activate")
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return
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}
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}
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// Try auto-signin when not signed in.
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if !options.SignOutRequire && !ctx.IsSigned && !auth.IsAPIPath(ctx.Req.URL.Path) {
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succeed, err := AutoSignIn(ctx)
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if err != nil {
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ctx.Handle(500, "AutoSignIn", err)
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return
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} else if succeed {
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log.Trace("Auto-login succeed: %s", ctx.Session.Get("uname"))
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ctx.Redirect(setting.AppSubUrl + ctx.Req.RequestURI)
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return
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}
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}
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if options.AdminRequire {
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if !ctx.User.IsAdmin {
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ctx.Error(403)
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return
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}
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ctx.Data["PageIsAdmin"] = true
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}
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}
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}
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