AppGini Community Forums

Code: Select all

<?php // Save this file as 'hooks/replace-appgini-functions.php'
 $hooks_dir = dirname(__FILE__);
	include("{$hooks_dir}/../defaultLang.php");
	include("{$hooks_dir}/../language.php");
	include("{$hooks_dir}/../lib.php");
	
	// Step 1: Specify the file containing the function we want to overwrite
	$appgini_file = "{$hooks_dir}/../admin/incFunctions.php";
 
	// Step 2: Specify the file containing our version of the function
	$mod_file = "{$hooks_dir}/custom.GetLoggedAdmin.php";
 
	// Step 3: Specify the name of the function we want to overwrite
	$func_name = 'getLoggedAdmin';
 
	echo "<br>{$func_name}: " . replace_function($appgini_file, $func_name, $mod_file);
 
	#######################################
 
	function replace_function($appgini_file, $function_name, $mod_file) {
		// read the new code from the mod file
		$new_code = @file($mod_file);
		if(empty($new_code)) return 'No custom code found.';
 
		// remove the first line containing PHP opening tag and keep the rest as $new_snippet
		array_shift($new_code);
		$new_snippet = implode('', $new_code);
 
		$pattern1 = '/\s*function\s+' . $function_name . '\s*\(.*\).*(\R.*){200}/';
		$pattern2 = '/\t#+(.*\R)*/';
 
		$entire_code = file_get_contents($appgini_file);
		if(!$entire_code) return 'Invalid AppGini file.';
 
		$m = [];
		if(!preg_match_all($pattern1, $entire_code, $m)) return 'Function to replace not found.';
		$snippet = $m[0][0];
 
		if(!preg_match_all($pattern2, $snippet, $m)) return 'Could not find the end of the function.';
		$snippet = str_replace($m[0][0], '', $snippet);
 
		$snippet_nocrlf = str_replace("\r\n", "\n", $snippet);
		$new_snippet_nocrlf = str_replace("\r\n", "\n", $new_snippet);
		if(trim($snippet_nocrlf) == trim($new_snippet_nocrlf)) return 'Function already replaced.';
 
		// back up the file before overwriting
		if(!@copy(
			$appgini_file, 
			preg_replace('/\.php$/', '.backup.' . date('Y.m.d.H.i.s') . '.php', $appgini_file)
		)) return 'Could not make a backup copy of file.';
 
		$new_code = str_replace(trim($snippet), trim($new_snippet), $entire_code);
		if(!@file_put_contents($appgini_file, $new_code)) return "Couldn't overwrite file.";
 
		return 'Function overwritten successfully.';
	}

Code: Select all

	<?php // save this file as 'hooks/custom.getLoggedAdmin.php'
	function getLoggedAdmin() {
		// checks session variables to see whether the admin is logged or not
		// if not, it returns false
		// if logged, it returns the user id

		$adminConfig = config('adminConfig');
		if(!isset($_SESSION['memberID']) || empty($_SESSION['memberID'])) return false;
 
		$current_user = $_SESSION['memberID'];
		$current_user_safe = makeSafe($_SESSION['memberID']);
		$sql = "SELECT COUNT(1) FROM membership_users u 
			LEFT JOIN membership_groups g ON u.groupID = g.groupID
			WHERE LCASE(u.memberID) = LCASE('{$current_user_safe}') AND g.name = 'Admins'";
		$is_admin = sqlValue($sql);
		if(!$is_admin) return false;
 
		$_SESSION['adminUsername'] = $current_user;
		return $current_user;
	}