Allow only internal registration (go-gitea#15795)

* Add ALLOW_ONLY_INTERNAL_REGISTRATION into settings

* OpenID respect setting too

Author: 6543

custom/conf/app.example.ini

@@ -633,6 +633,8 @@ EMAIL_DOMAIN_WHITELIST =
 EMAIL_DOMAIN_BLOCKLIST =
 ; Disallow registration, only allow admins to create accounts.
 DISABLE_REGISTRATION = false
+; Allow registration only using gitea itself, it works only when DISABLE_REGISTRATION is false
+ALLOW_ONLY_INTERNAL_REGISTRATION = false
 ; Allow registration only using third-party services, it works only when DISABLE_REGISTRATION is false
 ALLOW_ONLY_EXTERNAL_REGISTRATION = false
 ; User must sign in to view anything.

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -483,6 +483,7 @@ relation to port exhaustion.
 - `AUTO_WATCH_ON_CHANGES`: **false**: Enable this to make users watch a repository after their first commit to it
 - `DEFAULT_ORG_VISIBILITY`: **public**: Set default visibility mode for organisations, either "public", "limited" or "private".
 - `DEFAULT_ORG_MEMBER_VISIBLE`: **false** True will make the membership of the users visible when added to the organisation.
+- `ALLOW_ONLY_INTERNAL_REGISTRATION`: **false** Set to true to force registration only via gitea.
 - `ALLOW_ONLY_EXTERNAL_REGISTRATION`: **false** Set to true to force registration only using third-party services.
 - `NO_REPLY_ADDRESS`: **DOMAIN** Default value for the domain part of the user's email address in the git log if he has set KeepEmailPrivate to true.
   The user's email will be replaced with a concatenation of the user name in lower case, "@" and NO_REPLY_ADDRESS.

modules/setting/service.go

@@ -23,6 +23,7 @@ var Service struct {
 	EmailDomainWhitelist                    []string
 	EmailDomainBlocklist                    []string
 	DisableRegistration                     bool
+	AllowOnlyInternalRegistration           bool
 	AllowOnlyExternalRegistration           bool
 	ShowRegistrationButton                  bool
 	ShowMilestonesDashboardPage             bool
@@ -73,7 +74,12 @@ func newService() {
 	Service.ActiveCodeLives = sec.Key("ACTIVE_CODE_LIVE_MINUTES").MustInt(180)
 	Service.ResetPwdCodeLives = sec.Key("RESET_PASSWD_CODE_LIVE_MINUTES").MustInt(180)
 	Service.DisableRegistration = sec.Key("DISABLE_REGISTRATION").MustBool()
+	Service.AllowOnlyInternalRegistration = sec.Key("ALLOW_ONLY_INTERNAL_REGISTRATION").MustBool()
 	Service.AllowOnlyExternalRegistration = sec.Key("ALLOW_ONLY_EXTERNAL_REGISTRATION").MustBool()
+	if Service.AllowOnlyExternalRegistration && Service.AllowOnlyInternalRegistration {
+		log.Warn("ALLOW_ONLY_INTERNAL_REGISTRATION and ALLOW_ONLY_EXTERNAL_REGISTRATION are true - disabling registration")
+		Service.DisableRegistration = true
+	}
 	if !sec.Key("REGISTER_EMAIL_CONFIRM").MustBool() {
 		Service.RegisterManualConfirm = sec.Key("REGISTER_MANUAL_CONFIRM").MustBool(false)
 	} else {

options/locale/locale_en-US.ini

@@ -2386,6 +2386,7 @@ config.db_path = Path
 config.service_config = Service Configuration
 config.register_email_confirm = Require Email Confirmation to Register
 config.disable_register = Disable Self-Registration
+config.allow_only_internal_registration = Allow Registration Only Through Gitea itself
 config.allow_only_external_registration = Allow Registration Only Through External Services
 config.enable_openid_signup = Enable OpenID Self-Registration
 config.enable_openid_signin = Enable OpenID Sign-In

routers/user/auth.go

@@ -754,6 +754,7 @@ func LinkAccount(ctx *context.Context) {
 	ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
 	ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
 	ctx.Data["DisableRegistration"] = setting.Service.DisableRegistration
+	ctx.Data["AllowOnlyInternalRegistration"] = setting.Service.AllowOnlyInternalRegistration
 	ctx.Data["ShowRegistrationButton"] = false
 
 	// use this to set the right link into the signIn and signUp templates in the link_account template
@@ -912,8 +913,8 @@ func LinkAccountPostRegister(ctx *context.Context) {
 		return
 	}
 
-	if setting.Service.DisableRegistration {
-		ctx.Error(403)
+	if setting.Service.DisableRegistration || setting.Service.AllowOnlyInternalRegistration {
+		ctx.Error(http.StatusForbidden)
 		return
 	}
 

routers/user/auth_openid.go

@@ -6,6 +6,7 @@ package user
 
 import (
 	"fmt"
+	"net/http"
 	"net/url"
 
 	"code.gitea.io/gitea/models"
@@ -250,7 +251,7 @@ func signInOpenIDVerify(ctx *context.Context) {
 		log.Error("signInOpenIDVerify: Unable to save changes to the session: %v", err)
 	}
 
-	if u != nil || !setting.Service.EnableOpenIDSignUp {
+	if u != nil || !setting.Service.EnableOpenIDSignUp || setting.Service.AllowOnlyInternalRegistration {
 		ctx.Redirect(setting.AppSubURL + "/user/openid/connect")
 	} else {
 		ctx.Redirect(setting.AppSubURL + "/user/openid/register")
@@ -268,6 +269,7 @@ func ConnectOpenID(ctx *context.Context) {
 	ctx.Data["PageIsSignIn"] = true
 	ctx.Data["PageIsOpenIDConnect"] = true
 	ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
+	ctx.Data["AllowOnlyInternalRegistration"] = setting.Service.AllowOnlyInternalRegistration
 	ctx.Data["OpenID"] = oid
 	userName, _ := ctx.Session.Get("openid_determined_username").(string)
 	if userName != "" {
@@ -329,6 +331,7 @@ func RegisterOpenID(ctx *context.Context) {
 	ctx.Data["PageIsSignIn"] = true
 	ctx.Data["PageIsOpenIDRegister"] = true
 	ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
+	ctx.Data["AllowOnlyInternalRegistration"] = setting.Service.AllowOnlyInternalRegistration
 	ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
 	ctx.Data["Captcha"] = context.GetImageCaptcha()
 	ctx.Data["CaptchaType"] = setting.Service.CaptchaType
@@ -368,6 +371,11 @@ func RegisterOpenIDPost(ctx *context.Context) {
 	ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
 	ctx.Data["OpenID"] = oid
 
+	if setting.Service.AllowOnlyInternalRegistration {
+		ctx.Error(http.StatusForbidden)
+		return
+	}
+
 	if setting.Service.EnableCaptcha {
 		var valid bool
 		var err error

templates/admin/config.tmpl

@@ -149,6 +149,8 @@
 				<dd>{{if .Service.RegisterEmailConfirm}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
 				<dt>{{.i18n.Tr "admin.config.disable_register"}}</dt>
 				<dd>{{if .Service.DisableRegistration}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
+				<dt>{{.i18n.Tr "admin.config.allow_only_internal_registration"}}</dt>
+				<dd>{{if .Service.AllowOnlyInternalRegistration}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
 				<dt>{{.i18n.Tr "admin.config.allow_only_external_registration"}}</dt>
 				<dd>{{if .Service.AllowOnlyExternalRegistration}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
 				<dt>{{.i18n.Tr "admin.config.show_registration_button"}}</dt>

templates/user/auth/link_account.tmpl

@@ -3,10 +3,12 @@
 	<div class="ui secondary pointing tabular top attached borderless menu new-menu navbar">
 		<div class="new-menu-inner">
 			<!-- TODO handle .ShowRegistrationButton once other login bugs are fixed -->
-			<a class="item {{if not .user_exists}}active{{end}}"
-				data-tab="auth-link-signup-tab">
-				{{.i18n.Tr "auth.oauth_signup_tab"}}
-			</a>
+			{{if not .AllowOnlyInternalRegistration}}
+				<a class="item {{if not .user_exists}}active{{end}}"
+					data-tab="auth-link-signup-tab">
+					{{.i18n.Tr "auth.oauth_signup_tab"}}
+				</a>
+			{{end}}
 			<a class="item {{if .user_exists}}active{{end}}"
 				data-tab="auth-link-signin-tab">
 				{{.i18n.Tr "auth.oauth_signin_tab"}}

templates/user/auth/signup_openid_navbar.tmpl

@@ -3,7 +3,7 @@
 		<a class="{{if .PageIsOpenIDConnect}}active{{end}} item" href="{{AppSubUrl}}/user/openid/connect">
 			{{.i18n.Tr "auth.openid_connect_title"}}
 		</a>
-		{{if .EnableOpenIDSignUp}}
+		{{if and .EnableOpenIDSignUp (not .AllowOnlyInternalRegistration)}}
 			<a class="{{if .PageIsOpenIDRegister}}active{{end}} item" href="{{AppSubUrl}}/user/openid/register">
 				{{.i18n.Tr "auth.openid_register_title"}}
 			</a>