147 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2014 The Gogs Authors. All rights reserved.
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| // Copyright 2019 The Gitea 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 sso
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| 
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| import (
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| 	"fmt"
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| 	"reflect"
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| 	"strings"
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| 
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| 	"code.gitea.io/gitea/models"
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| 	"code.gitea.io/gitea/modules/log"
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| 	"code.gitea.io/gitea/modules/setting"
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| 
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| 	"gitea.com/macaron/macaron"
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| 	"gitea.com/macaron/session"
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| )
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| 
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| // ssoMethods contains the list of SSO authentication plugins in the order they are expected to be
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| // executed.
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| //
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| // The OAuth2 plugin is expected to be executed first, as it must ignore the user id stored
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| // in the session (if there is a user id stored in session other plugins might return the user
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| // object for that id).
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| //
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| // The Session plugin is expected to be executed second, in order to skip authentication
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| // for users that have already signed in.
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| var ssoMethods = []SingleSignOn{
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| 	&OAuth2{},
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| 	&Session{},
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| 	&ReverseProxy{},
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| 	&Basic{},
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| }
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| 
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| // The purpose of the following three function variables is to let the linter know that
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| // those functions are not dead code and are actually being used
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| var (
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| 	_ = handleSignIn
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| )
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| 
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| // Methods returns the instances of all registered SSO methods
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| func Methods() []SingleSignOn {
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| 	return ssoMethods
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| }
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| 
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| // Register adds the specified instance to the list of available SSO methods
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| func Register(method SingleSignOn) {
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| 	ssoMethods = append(ssoMethods, method)
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| }
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| 
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| // Init should be called exactly once when the application starts to allow SSO plugins
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| // to allocate necessary resources
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| func Init() {
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| 	for _, method := range Methods() {
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| 		err := method.Init()
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| 		if err != nil {
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| 			log.Error("Could not initialize '%s' SSO method, error: %s", reflect.TypeOf(method).String(), err)
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| 		}
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| 	}
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| }
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| 
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| // Free should be called exactly once when the application is terminating to allow SSO plugins
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| // to release necessary resources
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| func Free() {
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| 	for _, method := range Methods() {
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| 		err := method.Free()
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| 		if err != nil {
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| 			log.Error("Could not free '%s' SSO method, error: %s", reflect.TypeOf(method).String(), err)
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| 		}
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| 	}
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| }
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| 
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| // SessionUser returns the user object corresponding to the "uid" session variable.
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| func SessionUser(sess session.Store) *models.User {
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| 	// Get user ID
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| 	uid := sess.Get("uid")
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| 	if uid == nil {
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| 		return nil
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| 	}
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| 	id, ok := uid.(int64)
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| 	if !ok {
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| 		return nil
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| 	}
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| 
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| 	// Get user object
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| 	user, err := models.GetUserByID(id)
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| 	if err != nil {
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| 		if !models.IsErrUserNotExist(err) {
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| 			log.Error("GetUserById: %v", err)
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| 		}
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| 		return nil
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| 	}
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| 	return user
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| }
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| 
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| // isAPIPath returns true if the specified URL is an API path
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| func isAPIPath(ctx *macaron.Context) bool {
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| 	return strings.HasPrefix(ctx.Req.URL.Path, "/api/")
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| }
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| 
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| // isInternalPath returns true if the specified URL is an internal API path
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| func isInternalPath(ctx *macaron.Context) bool {
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| 	return strings.HasPrefix(ctx.Req.URL.Path, "/api/internal/")
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| }
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| 
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| // isAttachmentDownload check if request is a file download (GET) with URL to an attachment
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| func isAttachmentDownload(ctx *macaron.Context) bool {
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| 	return strings.HasPrefix(ctx.Req.URL.Path, "/attachments/") && ctx.Req.Method == "GET"
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| }
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| 
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| // handleSignIn clears existing session variables and stores new ones for the specified user object
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| func handleSignIn(ctx *macaron.Context, sess session.Store, user *models.User) {
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| 	_ = sess.Delete("openid_verified_uri")
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| 	_ = sess.Delete("openid_signin_remember")
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| 	_ = sess.Delete("openid_determined_email")
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| 	_ = sess.Delete("openid_determined_username")
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| 	_ = sess.Delete("twofaUid")
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| 	_ = sess.Delete("twofaRemember")
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| 	_ = sess.Delete("u2fChallenge")
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| 	_ = sess.Delete("linkAccount")
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| 	err := sess.Set("uid", user.ID)
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| 	if err != nil {
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| 		log.Error(fmt.Sprintf("Error setting session: %v", err))
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| 	}
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| 	err = sess.Set("uname", user.Name)
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| 	if err != nil {
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| 		log.Error(fmt.Sprintf("Error setting session: %v", err))
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| 	}
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| 
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| 	// Language setting of the user overwrites the one previously set
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| 	// If the user does not have a locale set, we save the current one.
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| 	if len(user.Language) == 0 {
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| 		user.Language = ctx.Locale.Language()
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| 		if err := models.UpdateUserCols(user, "language"); err != nil {
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| 			log.Error(fmt.Sprintf("Error updating user language [user: %d, locale: %s]", user.ID, user.Language))
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| 			return
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| 		}
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| 	}
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| 
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| 	ctx.SetCookie("lang", user.Language, nil, setting.AppSubURL, setting.SessionConfig.Domain, setting.SessionConfig.Secure, true)
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| 
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| 	// Clear whatever CSRF has right now, force to generate a new one
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| 	ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubURL, setting.SessionConfig.Domain, setting.SessionConfig.Secure, true)
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| }
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