initial commit

hamrokhaanpaan/wp-content/__plugins/wp-optimize/webp/class-wpo-server-info.php

@@ -0,0 +1,104 @@
+<?php
+if (!defined('WPO_PLUGIN_MAIN_PATH')) die('No direct access allowed');
+
+class WPO_Server_Info {
+
+	private static $_instance = null;
+
+	/**
+	 * @var $_server_name Web server engine name
+	 */
+	private $_server_name;
+
+	/**
+	 * @var $_rewrite_status Web server's URL rewrite ability
+	 */
+	private $_rewrite_status;
+
+	/**
+	 * Setup server information
+	 */
+	public function __construct() {
+		$this->set_server_name();
+		$this->set_rewrite_status();
+	}
+
+	/**
+	 * Gets singleton instance
+	 *
+	 * @return object
+	 */
+	public static function get_instance() {
+		if (null === self::$_instance) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+	/**
+	 * Detect and set web server names
+	 */
+	private function set_server_name() {
+		global $is_apache, $is_nginx, $is_iis7, $is_IIS;
+		
+		if ($is_apache) {
+			$this->_server_name = 'apache';
+		}
+
+		if ($is_iis7) {
+			$this->_server_name = 'iis7';
+		}
+
+		if ($is_IIS) {
+			$this->_server_name = 'iis';
+		}
+
+		if ($is_nginx) {
+			$this->_server_name = 'nginx';
+		}
+	}
+
+	/**
+	 * Sets web server's rewrite ability
+	 */
+	private function set_rewrite_status() {
+		if ('apache' === $this->_server_name) {
+			$this->test_htaccess_capabilities();
+		} else {
+			$this->_rewrite_status = false;
+		}
+	}
+
+	/**
+	 * Test Apache/LiteSpeed server's htaccess capabilities, and sets status and info
+	 */
+	private function test_htaccess_capabilities() {
+		if (!class_exists('WPO_Htaccess_Capabilities')) {
+			include_once WPO_PLUGIN_MAIN_PATH . 'webp/class-wpo-htaccess-capabilities.php';
+		}
+		$htc = WPO_Htaccess_Capabilities::get_instance();
+		if ($htc->htaccess_enabled && $htc->mod_rewrite && $htc->mod_headers && $htc->mod_mime) {
+			$this->_rewrite_status = true;
+		} elseif ($htc->htaccess_enabled) {
+			$this->_rewrite_status = false;
+		}
+	}
+
+	/**
+	 * Getter for web server name
+	 *
+	 * @return string
+	 */
+	public function get_server_name() {
+		return $this->_server_name;
+	}
+
+	/**
+	 * Getter for web server's rewrite capability
+	 *
+	 * @return bool
+	 */
+	public function get_rewrite_status() {
+		return $this->_rewrite_status;
+	}
+}