From 5f801d9501cebc664095b286ff25b6d599b48f5e Mon Sep 17 00:00:00 2001
From: FusionPBX <markjcrane@gmail.com>
Date: Wed, 11 Aug 2021 17:10:18 -0600
Subject: [PATCH] Add priorities and debug information.

---
 resources/require.php | 75 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 63 insertions(+), 12 deletions(-)

diff --git a/resources/require.php b/resources/require.php
index 4f6d9e7b41..31a620650e 100644
--- a/resources/require.php
+++ b/resources/require.php
@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <markjcrane@fusionpbx.com>
-	Portions created by the Initial Developer are Copyright (C) 2008-2012
+	Portions created by the Initial Developer are Copyright (C) 2008-2021
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -49,19 +49,70 @@
 				spl_autoload_register(array($this, 'loader'));
 			}
 			private function loader($class_name) {
-				//use glob to get classes (note: GLOB_BRACE doesn't work on some systems)
-					$results_1 = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/resources/classes/".$class_name.".php");
-					$results_2 = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/resources/classes/".$class_name.".php");
-					$results = array_merge((array)$results_1,(array)$results_2);
-					unset($results_1, $results_2);
+				//set the default value
+					$class_found = false;
 
-				//include the class
-					foreach ($results as &$class_file) {
-						if (!class_exists($class_name)) {
-							include $class_file;
-						}
+				//sanitize the class name
+					$class_name = preg_replace('[^a-zA-Z0-9_]', '', $class_name);
+
+				//save the log to the syslog server
+					if ($_REQUEST['debug'] == 'true') {
+						openlog("XML CDR", LOG_PID | LOG_PERROR, LOG_LOCAL0);
+					}
+
+				//find the most relevant class name
+					if (!$class_found && file_exists($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/resources/classes/".$class_name.".php")) {
+						//first priority
+						$path = $_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/resources/classes/".$class_name.".php";
+						$class_found = true;
+						if ($_REQUEST['debug'] == 'true') {
+							syslog(LOG_WARNING, "[php][autoloader] name: ".$class_name.", path: ".$path.", line: ".__line__);
+						}
+						include $path;
+					}
+					elseif (!$class_found && file_exists($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/core/".$class_name."/resources/classes/".$class_name.".php")) {
+						//second priority
+						$path = $_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/core/".$class_name."/resources/classes/".$class_name.".php";
+						$class_found = true;
+						if ($_REQUEST['debug'] == 'true') {
+							syslog(LOG_WARNING, "[php][autoloader] name: ".$class_name.", path: ".$path.", line: ".__line__);
+						}
+						include $path;
+					}
+					elseif (!$class_found && file_exists($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/app/".$class_name."/resources/classes/".$class_name.".php")) {
+						//third priority
+						$path = $_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/app/".$class_name."/resources/classes/".$class_name.".php";
+						$class_found = true;
+						if ($_REQUEST['debug'] == 'true') {
+							syslog(LOG_WARNING, "[php][autoloader] name: ".$class_name.", path: ".$path.", line: ".__line__);
+						}
+						include $path;
+					}
+
+				//use glob for a more exensive search for the classes (note: GLOB_BRACE doesn't work on some systems)
+					if (!$class_found && !class_exists($class_name)) {
+						//fourth priority
+						$results_1 = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/resources/classes/".$class_name.".php");
+						$results_2 = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/resources/classes/".$class_name.".php");
+						$results = array_merge((array)$results_1,(array)$results_2);
+						unset($results_1, $results_2);
+						foreach ($results as &$class_file) {
+							if (!$class_found) {
+								$class_found = true;
+								if ($_REQUEST['debug'] == 'true') {
+									syslog(LOG_WARNING, "[php][autoloader] name: ".$class_name.", path: ".$class_file.", line: ".__line__);
+								}
+								include $class_file;
+								break;
+							}
+						}
+						unset($results);
+					}
+
+				//save the log to the syslog server
+					if ($_REQUEST['debug'] == 'true') {
+						closelog();
 					}
-					unset($results);
 			}
 		}
 	}