Issue #5458 Also adds support for site_hosts configuration option.

Minimum PHP version set to 8 during installation.

e107_handlers/e107_class.php

@@ -73,6 +73,13 @@ class e107
 	 */
 	protected $HTTP_SCHEME;
 
+	/**
+	 * Storage for host configuration from siteurl or e107_config $config['other']['site_hosts']
+	 *
+	 * @var array
+	 */
+	protected $hosts = [];
+
 	/**
 	 * Used for runtime caching of user extended struct
 	 *
@@ -622,6 +629,11 @@ class e107
 			$this->site_path = $this->makeSiteHash($e107_config_mysql_info['defaultdb'], $e107_config_mysql_info['prefix']);
 		}
 
+		if(!empty($e107_config_override['site_hosts']))
+		{
+			$this->hosts = (array) $e107_config_override['site_hosts'];
+		}
+
 		// Set default folder (and override paths) if missing from e107_config.php
 		$this->setDirs($e107_paths, $e107_config_override);
 
@@ -5534,18 +5546,19 @@ class e107
 	 */
 	public function set_urls_deferred()
 	{
-		$siteurl = self::getPref('siteurl');
-		$configured_host = parse_url($siteurl, PHP_URL_HOST);
+		$siteurl        = self::getPref('siteurl');
+		$defaultHost    = (array) parse_url($siteurl, PHP_URL_HOST);
+		$hosts          = !empty($this->hosts) ? $this->hosts : $defaultHost;
 
 		if(self::isCli())
 		{
 			define('SITEURL', $siteurl);
 			define('SITEURLBASE', rtrim(SITEURL,'/'));
 		}
-		elseif(!empty($configured_host) && strpos($siteurl,'http')!== false && $configured_host !== $_SERVER['HTTP_HOST'] && substr($_SERVER['HTTP_HOST'], - strlen('.' . $configured_host)) !== ('.' . $configured_host))
+		elseif(!empty($hosts) && !$this->isAllowedHost($hosts, $_SERVER['HTTP_HOST']))
 		{
+			error_log('The configured siteurl in your preferences or e107_config "host" value does not match the HTTP_HOST: '.$_SERVER['HTTP_HOST']);
 			die('Site Configuration Issue Detected. Please contact your webmaster.');
-			error_log('The configured siteurl in your preferences does not match the HTTP_HOST: '.$_SERVER['HTTP_HOST']);
 		}
 		else
 		{
@@ -5553,7 +5566,6 @@ class e107
 			define('SITEURL', SITEURLBASE.e_HTTP);
 		}
 
-
 		// login/signup
 		define('e_SIGNUP', SITEURL.(file_exists(e_BASE.'customsignup.php') ? 'customsignup.php' : 'signup.php'));
 
@@ -5565,6 +5577,34 @@ class e107
 		return $this;
 	}
 
+
+	/**
+	 * Check if the current host ($_SERVER['HTTP_HOST']) matches any configured host(s).
+	 *
+	 * @param array  $allowedHosts Array of configured hostnames.
+	 * @param string $httpHost     HTTP_HOST being validated.
+	 *
+	 * @return bool True if host is allowed, false otherwise.
+	 */
+	private function isAllowedHost(array $allowedHosts, string $httpHost): bool
+	{
+		if (empty($allowedHosts))
+		{
+			error_log('The configured siteurl in your preferences does not contain a a domain name');
+			return true; // Allowed if no hosts.
+		}
+
+		foreach ($allowedHosts as $host)
+		{
+			if ($httpHost === $host || str_ends_with($httpHost, '.' . $host))
+			{
+				return true;
+			}
+		}
+
+		return false;
+	}
+
 	/**
 	 * Defines e_QUERY in a format that can be used in HTML and defines e_MENU
 	 * @param boolean $no_cbrace remove curly brackets from the url

e107_tests/tests/_data/e107_config.php.sample

@@ -62,4 +62,4 @@ return [
     'other' =>  [
             'site_path' => '000000test'
     ]
-        ];
+];

install.php

@@ -11,7 +11,7 @@
 */
 
 // minimal software version
-define('MIN_PHP_VERSION',   '7.4');
+define('MIN_PHP_VERSION',   '8.0');
 define('MIN_MYSQL_VERSION', '4.1.2');
 define('MAKE_INSTALL_LOG', true);
 
@@ -1577,8 +1577,9 @@ return [
         'media'      => '{$this->e107->e107_dirs['MEDIA_DIRECTORY']}',
         'system'     => '{$this->e107->e107_dirs['SYSTEM_DIRECTORY']}',
     ],
-    'site' => [
+    'other' => [
         'site_path'  => '{$this->previous_steps['paths']['hash']}',
+    //  'site_hosts'      => ['localhost','parked-domain.com'],
     ]
 ];
 ";