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			136 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			3.3 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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| 
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| package middleware
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| 
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| import (
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| 	"fmt"
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| 	"net/url"
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| 
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| 	"github.com/Unknwon/macaron"
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| 	"github.com/macaron-contrib/csrf"
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| 
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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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| 
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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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| 
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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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| 	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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 		if !options.SignOutRequire && !options.DisableCsrf && ctx.Req.Method == "POST" {
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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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| 
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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.HandleAPI(403, "Only signed in user is allowed to call APIs.")
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| 					return
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| 				}
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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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| 
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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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| 
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| // Contexter middleware already checks token for user sign in process.
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| func ApiReqToken() macaron.Handler {
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| 	return func(ctx *Context) {
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| 		if !ctx.IsSigned {
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| 			ctx.Error(403)
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| 			return
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| 		}
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| 	}
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| }
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| 
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| func ApiReqBasicAuth() macaron.Handler {
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| 	return func(ctx *Context) {
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| 		if !ctx.IsBasicAuth {
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| 			ctx.Error(403)
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| 			return
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| 		}
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| 	}
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| }
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