From 9fcd472d3f7efe04f6762c12f64f43730a2461b8 Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Sun, 25 Jun 2023 19:17:26 +0900
Subject: [PATCH] Display the current site's favicon if favicon.ico is
 requested

---
 common/framework/Router.php    |  6 ++++++
 modules/module/conf/module.xml | 13 ++++++------
 modules/module/module.view.php | 38 ++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 6 deletions(-)

diff --git a/common/framework/Router.php b/common/framework/Router.php
index 4a6c13710..3908b864d 100644
--- a/common/framework/Router.php
+++ b/common/framework/Router.php
@@ -64,6 +64,12 @@ class Router
 			'extra_vars' => ['act' => 'dispAdminRewriteTest'],
 			'priority' => 0,
 		),
+		'favicon\.ico' => array(
+			'regexp' => '#^favicon\.ico$#',
+			'vars' => [],
+			'extra_vars' => ['module' => 'module', 'act' => 'dispModuleCurrentSiteFavicon'],
+			'priority' => 0,
+		)
 	);
 
 	/**
diff --git a/modules/module/conf/module.xml b/modules/module/conf/module.xml
index 01b315c99..4ea9c0fc6 100644
--- a/modules/module/conf/module.xml
+++ b/modules/module/conf/module.xml
@@ -6,17 +6,18 @@
 		<action name="dispModuleSkinInfo" type="view" permission="all-managers" meta-noindex="true" />
 		<action name="dispModuleFileBox" type="view" permission="root" meta-noindex="true" />
 		<action name="dispModuleFileBoxAdd" type="view" permission="root" meta-noindex="true" />
+		<action name="dispModuleCurrentSiteFavicon" type="view" standalone="true" />
 		<action name="dispModuleChangeLang" type="view" />
-		
+
 		<action name="getModuleSkinInfoList" type="model" permission="root" />
 		<action name="getFileBoxListHtml" type="model" permission="root" />
 		<action name="getModuleInfoByMenuItemSrl" type="model" permission="root" />
 		<action name="getLangListByLangcodeForAutoComplete" type="model" permission="manager" />
 		<action name="getLangByLangcode" type="model" />
-		
+
 		<action name="procModuleFileBoxAdd" type="controller" permission="root" />
 		<action name="procModuleFileBoxDelete" type="controller" permission="root" />
-		
+
 		<action name="dispModuleAdminContent" type="view" menu_name="installedModule" menu_index="true" admin_index="true" />
 		<action name="dispModuleAdminCategory" type="view" menu_name="installedModule" />
 		<action name="dispModuleAdminInfo" type="view" />
@@ -26,7 +27,7 @@
 		<action name="dispModuleAdminCopyModule" type="view" />
 		<action name="dispModuleAdminFileBox" type="view" menu_name="filebox" menu_index="true" />
 		<action name="dispModuleAdminLangcode" type="view" menu_name="multilingual" menu_index="true" />
-		
+
 		<action name="getModuleAdminModuleList" type="model" />
 		<action name="getModuleAdminModuleInfo" type="model" />
 		<action name="getModuleAdminGrant" type="model" />
@@ -36,12 +37,12 @@
 		<action name="getModuleAdminModuleSearcherHtml" type="model" />
 		<action name="getModuleAdminMultilingualHtml" type="model" permission="manager" />
 		<action name="getModuleAdminLangListHtml" type="model" permission="manager" />
-		
+
 		<action name="procModuleAdminInsertCategory" type="controller" ruleset="insertCategory" />
 		<action name="procModuleAdminUpdateCategory" type="controller" ruleset="updateCategory" />
 		<action name="procModuleAdminDeleteCategory" type="controller" ruleset="deleteCategory" />
 		<action name="procModuleAdminModuleSetup" type="controller" ruleset="insertModuleSetup" />
-		<action name="procModuleAdminModuleGrantSetup" type="controller" ruleset="insertModulesGrant" />		
+		<action name="procModuleAdminModuleGrantSetup" type="controller" ruleset="insertModulesGrant" />
 		<action name="procModuleAdminCopyModule" type="controller" ruleset="copyModule" />
 		<action name="procModuleAdminInsertGrant" type="controller" permission="manager" check_var="module_srl" />
 		<action name="procModuleAdminUpdateSkinInfo" type="controller" permission="manager" check_var="module_srl" />
diff --git a/modules/module/module.view.php b/modules/module/module.view.php
index b93143cc2..a1eb7a6b9 100644
--- a/modules/module/module.view.php
+++ b/modules/module/module.view.php
@@ -143,6 +143,44 @@ class ModuleView extends Module
 		$this->setTemplateFile('filebox_add');
 	}
 
+	/**
+	 * Display the current site's favicon
+	 */
+	public function dispModuleCurrentSiteFavicon()
+	{
+		$domain = ModuleModel::getSiteInfoByDomain($_SERVER['HTTP_HOST']) ?: ModuleModel::getDefaultDomainInfo();
+		$domain_srl = $domain->domain_srl ?? 0;
+		$filename = \RX_BASEDIR . 'files/attach/xeicon/' . ($domain_srl ? ($domain_srl . '/') : '') . 'favicon.ico';
+
+		if (Rhymix\Framework\Storage::exists($filename))
+		{
+			// Handle 304 Not Modified
+			if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) > filemtime($uploaded_filename))
+			{
+				header('HTTP/1.1 304 Not Modified');
+				exit();
+			}
+
+			// Clear buffer
+			while(ob_get_level()) ob_end_clean();
+
+			// Set headers
+			header('Content-Type: image/x-icon');
+			header('Content-Length: ' . filesize($filename));
+			header('Cache-Control: private; max-age=3600');
+			header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+			// Print icon and exit
+			readfile($filename);
+			exit();
+		}
+		else
+		{
+			$this->stop('msg_not_founded');
+			$this->setHttpStatusCode(404);
+		}
+	}
+
 	/**
 	 * Moved from mobile class
 	 */