Enhance USER_DISABLED_FEATURES to allow disabling change username or full name

custom/conf/app.example.ini

@@ -1505,6 +1505,8 @@ LEVEL = Info
 ;; - manage_gpg_keys: a user cannot configure gpg keys
 ;; - manage_mfa: a user cannot configure mfa devices
 ;; - manage_credentials: a user cannot configure emails, passwords, or openid
+;; - change_username: a user cannot change their username
+;; - change_full_name: a user cannot change their full name
 ;;EXTERNAL_USER_DISABLE_FEATURES =
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

modules/setting/admin.go

@@ -29,4 +29,6 @@ const (
 	UserFeatureManageGPGKeys     = "manage_gpg_keys"
 	UserFeatureManageMFA         = "manage_mfa"
 	UserFeatureManageCredentials = "manage_credentials"
+	UserFeatureChangeUsername    = "change_username"
+	UserFeatureChangeFullName    = "change_full_name"
 )

options/locale/locale_en-US.ini

@@ -580,6 +580,8 @@ lang_select_error = Select a language from the list.
 
 username_been_taken = The username is already taken.
 username_change_not_local_user = Non-local users are not allowed to change their username.
+change_username_disabled = Changing username is disabled.
+change_full_name_disabled = Changing full name is disabled.
 username_has_not_been_changed = Username has not been changed
 repo_name_been_taken = The repository name is already used.
 repository_force_private = Force Private is enabled: private repositories cannot be made public.
@@ -705,7 +707,8 @@ public_profile = Public Profile
 biography_placeholder = Tell us a little bit about yourself! (You can use Markdown)
 location_placeholder = Share your approximate location with others
 profile_desc = Control how your profile is show to other users. Your primary email address will be used for notifications, password recovery and web-based Git operations.
-password_username_disabled = Non-local users are not allowed to change their username. Please contact your site administrator for more details.
+password_username_disabled = You are not allowed to change their username. Please contact your site administrator for more details.
+password_full_name_disabled = You are not allowed to change their full name. Please contact your site administrator for more details.
 full_name = Full Name
 website = Website
 location = Location

routers/web/user/setting/profile.go

@@ -69,6 +69,11 @@ func ProfilePost(ctx *context.Context) {
 	form := web.GetForm(ctx).(*forms.UpdateProfileForm)
 
 	if form.Name != "" {
+		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureChangeUsername) {
+			ctx.Flash.Error(ctx.Tr("user.form.change_username_disabled"))
+			ctx.Redirect(setting.AppSubURL + "/user/settings")
+			return
+		}
 		if err := user_service.RenameUser(ctx, ctx.Doer, form.Name); err != nil {
 			switch {
 			case user_model.IsErrUserIsNotLocal(err):
@@ -91,14 +96,23 @@ func ProfilePost(ctx *context.Context) {
 	}
 
 	opts := &user_service.UpdateOptions{
-		FullName:            optional.Some(form.FullName),
 		KeepEmailPrivate:    optional.Some(form.KeepEmailPrivate),
 		Description:         optional.Some(form.Description),
 		Website:             optional.Some(form.Website),
 		Location:            optional.Some(form.Location),
 		Visibility:          optional.Some(form.Visibility),
 		KeepActivityPrivate: optional.Some(form.KeepActivityPrivate),
 	}
+
+	if form.FullName != "" {
+		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureChangeFullName) {
+			ctx.Flash.Error(ctx.Tr("user.form.change_full_name_disabled"))
+			ctx.Redirect(setting.AppSubURL + "/user/settings")
+			return
+		}
+		opts.FullName = optional.Some(form.FullName)
+	}
+
 	if err := user_service.UpdateUser(ctx, ctx.Doer, opts); err != nil {
 		ctx.ServerError("UpdateUser", err)
 		return

templates/user/settings/profile.tmpl

@@ -12,14 +12,17 @@
 						<span class="text red tw-hidden" id="name-change-prompt"> {{ctx.Locale.Tr "settings.change_username_prompt"}}</span>
 						<span class="text red tw-hidden" id="name-change-redirect-prompt"> {{ctx.Locale.Tr "settings.change_username_redirect_prompt"}}</span>
 					</label>
-					<input id="username" name="name" value="{{.SignedUser.Name}}" data-name="{{.SignedUser.Name}}" autofocus required {{if or (not .SignedUser.IsLocal) .IsReverseProxy}}disabled{{end}} maxlength="40">
-					{{if or (not .SignedUser.IsLocal) .IsReverseProxy}}
+					<input id="username" name="name" value="{{.SignedUser.Name}}" data-name="{{.SignedUser.Name}}" autofocus required {{if or (or (not .SignedUser.IsLocal) ($.UserDisabledFeatures.Contains "change_username")) .IsReverseProxy}}disabled{{end}} maxlength="40">
+					{{if or (or (not .SignedUser.IsLocal) ($.UserDisabledFeatures.Contains "change_username")) .IsReverseProxy}}
 					<p class="help text blue">{{ctx.Locale.Tr "settings.password_username_disabled"}}</p>
 					{{end}}
 				</div>
 				<div class="field {{if .Err_FullName}}error{{end}}">
 					<label for="full_name">{{ctx.Locale.Tr "settings.full_name"}}</label>
-					<input id="full_name" name="full_name" value="{{.SignedUser.FullName}}" maxlength="100">
+					<input id="full_name" name="full_name" value="{{.SignedUser.FullName}}" {{if ($.UserDisabledFeatures.Contains "change_full_name")}}disabled{{end}} maxlength="100">
+					{{if ($.UserDisabledFeatures.Contains "change_full_name")}}
+					<p class="help text blue">{{ctx.Locale.Tr "settings.password_full_name_disabled"}}</p>
+					{{end}}
 				</div>
 				<div class="field {{if .Err_Email}}error{{end}}">
 					<label>{{ctx.Locale.Tr "email"}}</label>