<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/really-simple-ssl/class-server.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/really-simple-ssl/class-server.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
defined( &#039;ABSPATH&#039; ) or die( &#039;you do not have access to this page!&#039; );

if ( ! class_exists( &#039;rsssl_server&#039; ) ) {
	class rsssl_server {
		private static $_this;
		private $sapi = false;

		public function __construct() {
			if ( isset( self::$_this ) ) {
				wp_die( &#039;you cannot create a second instance.&#039; );
			}
			self::$_this = $this;
		}

		/**
		 * @Since 2.5.1
		 * Checks if the server uses .htaccess
		 * @return bool
		 */

		public function uses_htaccess() {
			// No .htaccess on WP Engine
			if ( function_exists( &#039;is_wpe&#039; ) &amp;&amp; is_wpe() ) {
				return false;
			}

			if ( $this-&gt;get_server() === &#039;apache&#039; || $this-&gt;get_server() === &#039;litespeed&#039; ) {
				return true;
			}

			return false;
		}

		/**
		 * Returns the server type of the plugin user.
		 *
		 * @return string|bool server type the user is using of false if undetectable.
		 */

		public function get_server() {
			//Allows to override server authentication for testing or other reasons.
			if ( defined( &#039;RSSSL_SERVER_OVERRIDE&#039; ) ) {
				return RSSSL_SERVER_OVERRIDE;
			}

			$server_raw = strtolower( htmlspecialchars( $_SERVER[&#039;SERVER_SOFTWARE&#039;] ) );
			if ( strpos( $server_raw, &#039;apache&#039; ) !== false ) {
				return &#039;apache&#039;;
			} elseif ( strpos( $server_raw, &#039;nginx&#039; ) !== false ) {
				return &#039;nginx&#039;;
			} elseif ( strpos( $server_raw, &#039;litespeed&#039; ) !== false ) {
				return &#039;litespeed&#039;;
			} elseif ( strpos( $server_raw, &#039;openresty&#039; ) !== false ) {
				return &#039;openresty&#039;;
			} elseif ( strpos( $server_raw, &#039;microsoft-iis&#039; ) !== false ) {
				return &#039;microsoft-iis&#039;;
			} else { //unsupported server
				return false;
			}
		}

		/**
		 * Get the Auto prepend configuration
		 *
		 * @return string
		 */
		public function auto_prepend_config(): string
        {
            $return = &#039;&#039;;
			if ( $this-&gt;isApacheModPHP() ){
				$return = &quot;apache-mod_php&quot;; //Apache _ modphp
			} else if ( $this-&gt;isApacheSuPHP() ) {
                $return = &quot;apache-suphp&quot;; //Apache + SuPHP
			} else if ( $this-&gt;isApache() &amp;&amp; !$this-&gt;isApacheSuPHP() &amp;&amp; ($this-&gt;isCGI() || $this-&gt;isFastCGI()) ) {
                $return = &quot;cgi&quot;; //Apache + CGI/FastCGI
			} else if ($this-&gt;isLiteSpeed()){
                $return = &quot;litespeed&quot;;
			} else if ( $this-&gt;isNGINX() ) {
                $return = &quot;nginx&quot;;
			} else if ( $this-&gt;isIIS() ) {
                $return = &quot;iis&quot;;
			} else {
                $return = &quot;apache-mod_php&quot;;
			}
            update_option(&#039;rsssl_auto_prepend_config&#039;, $return, true);
            return $return;
		}

		/**
		 * If Apache
		 * @return bool
		 */
		public function isApache():bool {
			return $this-&gt;get_server() === &#039;apache&#039;;
		}

		/**
		 * If NGINX
		 * @return bool
		 */
		public function isNGINX():bool {
			return $this-&gt;get_server() === &#039;nginx&#039;;
		}

		/**
		 * If Litespeed
		 * @return bool
		 */
		public function isLiteSpeed():bool {
			return $this-&gt;get_server() === &#039;litespeed&#039;;
		}

		/**
		 * If IIS
		 * @return bool
		 */
		public function isIIS():bool {
			return $this-&gt;get_server() === &#039;iis&#039;;
		}

		/**
		 * If ModPHP
		 * @return bool
		 */
		public function isApacheModPHP():bool {
			return $this-&gt;isApache() &amp;&amp; function_exists(&#039;apache_get_modules&#039;);
		}

		/**
		 * If SupPHP
		 * Not sure if this can be implemented at the PHP level.
		 * @return bool
		 */
		public function isApacheSuPHP():bool {
			return $this-&gt;isApache() &amp;&amp; $this-&gt;isCGI() &amp;&amp;
			       function_exists(&#039;posix_getuid&#039;) &amp;&amp;
			       function_exists(&#039;getmyuid&#039;) &amp;&amp;
			       getmyuid() === posix_getuid();
		}

		/**
		 * If CGI
		 * @return bool
		 */
		public function isCGI():bool {
			return !$this-&gt;isFastCGI() &amp;&amp; stripos($this-&gt;sapi(), &#039;cgi&#039;) !== false;
		}

		/**
		 * If FastCGI
		 * @return bool
		 */
		public function isFastCGI():bool {
			return stripos($this-&gt;sapi(), &#039;fastcgi&#039;) !== false || stripos($this-&gt;sapi(), &#039;fpm-fcgi&#039;) !== false;
		}


		/**
		 * If Sapi
		 * @return bool|string
		 */
		private function sapi(){
			if ( !$this-&gt;sapi ) {
				$this-&gt;sapi = function_exists(&#039;php_sapi_name&#039;) ? php_sapi_name() : &#039;false&#039;;
			}
			if ( &#039;false&#039; === $this-&gt;sapi ) {
				return false;
			}
			return $this-&gt;sapi;
		}
	} //class closure
}
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