mirror of
https://github.com/go-gitea/gitea
synced 2024-08-22 02:05:10 +02:00
Co-authored-by: Kyle D <kdumontnu@gmail.com> Co-authored-by: Jonathan Tran <jonnytran@gmail.com>
256 lines
7.7 KiB
Go
256 lines
7.7 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package auth
|
|
|
|
import (
|
|
"net/http"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/models/auth"
|
|
user_model "code.gitea.io/gitea/models/user"
|
|
"code.gitea.io/gitea/modules/context"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/web/middleware"
|
|
)
|
|
|
|
// Auth is a middleware to authenticate a web user
|
|
func Auth(authMethod Method) func(*context.Context) {
|
|
return func(ctx *context.Context) {
|
|
ar, err := authShared(ctx.Base, ctx.Session, authMethod)
|
|
if err != nil {
|
|
log.Error("Failed to verify user: %v", err)
|
|
ctx.Error(http.StatusUnauthorized, "Verify")
|
|
return
|
|
}
|
|
ctx.Doer = ar.Doer
|
|
ctx.IsSigned = ar.Doer != nil
|
|
ctx.IsBasicAuth = ar.IsBasicAuth
|
|
if ctx.Doer == nil {
|
|
// ensure the session uid is deleted
|
|
_ = ctx.Session.Delete("uid")
|
|
}
|
|
}
|
|
}
|
|
|
|
// APIAuth is a middleware to authenticate an api user
|
|
func APIAuth(authMethod Method) func(*context.APIContext) {
|
|
return func(ctx *context.APIContext) {
|
|
ar, err := authShared(ctx.Base, nil, authMethod)
|
|
if err != nil {
|
|
ctx.Error(http.StatusUnauthorized, "APIAuth", err)
|
|
return
|
|
}
|
|
ctx.Doer = ar.Doer
|
|
ctx.IsSigned = ar.Doer != nil
|
|
ctx.IsBasicAuth = ar.IsBasicAuth
|
|
}
|
|
}
|
|
|
|
type authResult struct {
|
|
Doer *user_model.User
|
|
IsBasicAuth bool
|
|
}
|
|
|
|
func authShared(ctx *context.Base, sessionStore SessionStore, authMethod Method) (ar authResult, err error) {
|
|
ar.Doer, err = authMethod.Verify(ctx.Req, ctx.Resp, ctx, sessionStore)
|
|
if err != nil {
|
|
return ar, err
|
|
}
|
|
if ar.Doer != nil {
|
|
if ctx.Locale.Language() != ar.Doer.Language {
|
|
ctx.Locale = middleware.Locale(ctx.Resp, ctx.Req)
|
|
}
|
|
ar.IsBasicAuth = ctx.Data["AuthedMethod"].(string) == BasicMethodName
|
|
|
|
ctx.Data["IsSigned"] = true
|
|
ctx.Data[middleware.ContextDataKeySignedUser] = ar.Doer
|
|
ctx.Data["SignedUserID"] = ar.Doer.ID
|
|
ctx.Data["IsAdmin"] = ar.Doer.IsAdmin
|
|
} else {
|
|
ctx.Data["SignedUserID"] = int64(0)
|
|
}
|
|
return ar, nil
|
|
}
|
|
|
|
// VerifyOptions contains required or check options
|
|
type VerifyOptions struct {
|
|
SignInRequired bool
|
|
SignOutRequired bool
|
|
AdminRequired bool
|
|
DisableCSRF bool
|
|
}
|
|
|
|
// VerifyAuthWithOptions checks authentication according to options
|
|
func VerifyAuthWithOptions(options *VerifyOptions) func(ctx *context.Context) {
|
|
return func(ctx *context.Context) {
|
|
// Check prohibit login users.
|
|
if ctx.IsSigned {
|
|
if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
|
|
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
|
|
ctx.HTML(http.StatusOK, "user/auth/activate")
|
|
return
|
|
}
|
|
if !ctx.Doer.IsActive || ctx.Doer.ProhibitLogin {
|
|
log.Info("Failed authentication attempt for %s from %s", ctx.Doer.Name, ctx.RemoteAddr())
|
|
ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
|
|
ctx.HTML(http.StatusOK, "user/auth/prohibit_login")
|
|
return
|
|
}
|
|
|
|
if ctx.Doer.MustChangePassword {
|
|
if ctx.Req.URL.Path != "/user/settings/change_password" {
|
|
if strings.HasPrefix(ctx.Req.UserAgent(), "git") {
|
|
ctx.Error(http.StatusUnauthorized, ctx.Tr("auth.must_change_password"))
|
|
return
|
|
}
|
|
ctx.Data["Title"] = ctx.Tr("auth.must_change_password")
|
|
ctx.Data["ChangePasscodeLink"] = setting.AppSubURL + "/user/change_password"
|
|
if ctx.Req.URL.Path != "/user/events" {
|
|
middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
|
|
}
|
|
ctx.Redirect(setting.AppSubURL + "/user/settings/change_password")
|
|
return
|
|
}
|
|
} else if ctx.Req.URL.Path == "/user/settings/change_password" {
|
|
// make sure that the form cannot be accessed by users who don't need this
|
|
ctx.Redirect(setting.AppSubURL + "/")
|
|
return
|
|
}
|
|
}
|
|
|
|
// Redirect to dashboard (or alternate location) if user tries to visit any non-login page.
|
|
if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
|
|
ctx.RedirectToFirst(ctx.FormString("redirect_to"))
|
|
return
|
|
}
|
|
|
|
if !options.SignOutRequired && !options.DisableCSRF && ctx.Req.Method == "POST" {
|
|
ctx.Csrf.Validate(ctx)
|
|
if ctx.Written() {
|
|
return
|
|
}
|
|
}
|
|
|
|
if options.SignInRequired {
|
|
if !ctx.IsSigned {
|
|
if ctx.Req.URL.Path != "/user/events" {
|
|
middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
|
|
}
|
|
ctx.Redirect(setting.AppSubURL + "/user/login")
|
|
return
|
|
} else if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
|
|
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
|
|
ctx.HTML(http.StatusOK, "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 &&
|
|
len(ctx.GetSiteCookie(setting.CookieUserName)) > 0 {
|
|
if ctx.Req.URL.Path != "/user/events" {
|
|
middleware.SetRedirectToCookie(ctx.Resp, setting.AppSubURL+ctx.Req.URL.RequestURI())
|
|
}
|
|
ctx.Redirect(setting.AppSubURL + "/user/login")
|
|
return
|
|
}
|
|
|
|
if options.AdminRequired {
|
|
if !ctx.Doer.IsAdmin {
|
|
ctx.Error(http.StatusForbidden)
|
|
return
|
|
}
|
|
ctx.Data["PageIsAdmin"] = true
|
|
}
|
|
}
|
|
}
|
|
|
|
// VerifyAuthWithOptionsAPI checks authentication according to options
|
|
func VerifyAuthWithOptionsAPI(options *VerifyOptions) func(ctx *context.APIContext) {
|
|
return func(ctx *context.APIContext) {
|
|
// Check prohibit login users.
|
|
if ctx.IsSigned {
|
|
if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
|
|
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "This account is not activated.",
|
|
})
|
|
return
|
|
}
|
|
if !ctx.Doer.IsActive || ctx.Doer.ProhibitLogin {
|
|
log.Info("Failed authentication attempt for %s from %s", ctx.Doer.Name, ctx.RemoteAddr())
|
|
ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "This account is prohibited from signing in, please contact your site administrator.",
|
|
})
|
|
return
|
|
}
|
|
|
|
if ctx.Doer.MustChangePassword {
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "You must change your password. Change it at: " + setting.AppURL + "/user/change_password",
|
|
})
|
|
return
|
|
}
|
|
}
|
|
|
|
// Redirect to dashboard if user tries to visit any non-login page.
|
|
if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
|
|
ctx.Redirect(setting.AppSubURL + "/")
|
|
return
|
|
}
|
|
|
|
if options.SignInRequired {
|
|
if !ctx.IsSigned {
|
|
// Restrict API calls with error message.
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "Only signed in user is allowed to call APIs.",
|
|
})
|
|
return
|
|
} else if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
|
|
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "This account is not activated.",
|
|
})
|
|
return
|
|
}
|
|
if ctx.IsSigned && ctx.IsBasicAuth {
|
|
if skip, ok := ctx.Data["SkipLocalTwoFA"]; ok && skip.(bool) {
|
|
return // Skip 2FA
|
|
}
|
|
twofa, err := auth.GetTwoFactorByUID(ctx.Doer.ID)
|
|
if err != nil {
|
|
if auth.IsErrTwoFactorNotEnrolled(err) {
|
|
return // No 2FA enrollment for this user
|
|
}
|
|
ctx.InternalServerError(err)
|
|
return
|
|
}
|
|
otpHeader := ctx.Req.Header.Get("X-Gitea-OTP")
|
|
ok, err := twofa.ValidateTOTP(otpHeader)
|
|
if err != nil {
|
|
ctx.InternalServerError(err)
|
|
return
|
|
}
|
|
if !ok {
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "Only signed in user is allowed to call APIs.",
|
|
})
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
if options.AdminRequired {
|
|
if !ctx.Doer.IsAdmin {
|
|
ctx.JSON(http.StatusForbidden, map[string]string{
|
|
"message": "You have no permission to request for this.",
|
|
})
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|