<?php

class All_in_One_SEO_Pack {

 	var $version = "1.6.15.2";

 	/** Max numbers of chars in auto-generated description */

 	var $maximum_description_length = 160;

 	/** Minimum number of chars an excerpt should be so that it can be used

 	 * as description. Touch only if you know what you're doing

 	 */

 	var $minimum_description_length = 1;

 	var $ob_start_detected = false;

 	var $title_start = -1;

 	var $title_end = -1;

 	/** The title before rewriting */

 	var $orig_title = '';

 	/** Temp filename for the latest version. */

// 	var $upgrade_filename = 'temp.zip';

 	/** Where to extract the downloaded newest version. */

// 	var $upgrade_folder;

 	/** Any error in upgrading. */

// 	var $upgrade_error;

 	/** Which zip to download in order to upgrade .*/

// 	var $upgrade_url = 'http://downloads.wordpress.org/plugin/all-in-one-seo-pack.zip';

 	/** Filename of log file. */

 	var $log_file;

 	/** Flag whether there should be logging. */

 	var $do_log;

 	var $wp_version;

	var $aioseop_op;

 	//var $aioseop_options = get_option('aioseop_options');

	function All_in_One_SEO_Pack() {

		global $wp_version;

		global $aioseop_options;

		$this->wp_version = $wp_version;

		$this->log_file = dirname(__FILE__) . '/all_in_one_seo_pack.log';

		if ($aioseop_options['aiosp_do_log']) {

			$this->do_log = true;

		} else {

			$this->do_log = false;

		}

//		$this->upgrade_filename = dirname(__FILE__) . '/' . $this->upgrade_filename;

//		$this->upgrade_folder = dirname(__FILE__);

	}

	/*** Case conversion; handle non UTF-8 encodings and fallback ***/

	function convert_case( $str, $mode = 'upper' ) {

		static $charset = null;

		if ($charset == null) $charset = get_bloginfo( 'charset' );

		if ( $charset == 'UTF-8' ) {

			global $UTF8_TABLES;

			include_once( 'aioseop_utility.php' );

		}

		if ( $charset == 'UTF-8' && is_array($UTF8_TABLES) ) {		

			if ( $mode == 'upper' ) return strtr( $str, $UTF8_TABLES['strtoupper'] );

			if ( $mode == 'lower' ) return strtr( $str, $UTF8_TABLES['strtolower'] );

			return $str;

		} else {

			if ( $mode == 'upper' && function_exists( 'mb_strtoupper' ) ) {

				return mb_strtoupper( $str, $charset );

			} elseif ( $mode == 'lower' && function_exists( 'mb_strtolower' ) ) {

				return mb_strtolower( $str, $charset );

			} else {

				if ( $mode == 'upper' ) return strtoupper( $str );

				if ( $mode == 'lower' ) return strtolower( $str );

				return $str;

			}

		}

	}

	/**      

	 * Convert a string to lower case

	 * Compatible with mb_strtolower(), an UTF-8 friendly replacement for strtolower()

	 */

	function strtolower( $str ) {

		return $this->convert_case( $str, 'lower' );

	}

	/**      

	 * Convert a string to upper case

	 * Compatible with mb_strtoupper(), an UTF-8 friendly replacement for strtoupper()

	 */

	function strtoupper( $str ) {

		return $this->convert_case( $str, 'upper' );

	}

	function template_redirect() {

		global $wp_query;

		global $aioseop_options;

		$post = $wp_query->get_queried_object();

		if( $this->aioseop_mrt_exclude_this_page()){

			return;

		}

		if (is_feed()) {

			return;

		}

		if (is_single() || is_page()) {

		    $aiosp_disable = htmlspecialchars(stripcslashes(get_post_meta($post->ID, '_aioseop_disable', true)));

		    if ($aiosp_disable) {

		    	return;

		    }

		}

		if ($aioseop_options['aiosp_rewrite_titles']) {

			ob_start(array($this, 'output_callback_for_title'));

		}

	}

	function aioseop_mrt_exclude_this_page(){

			global $aioseop_options;

			$currenturl = trim($_SERVER['REQUEST_URI'],'/');

	/*		echo "<br /><br />";

			echo $aioseop_options['aiosp_ex_pages'];

			echo "<br /><br />";

*/

			if ( !isset( $aioseop_options['aiosp_ex_pages'] ) ) $aioseop_options['aiosp_ex_pages'] = '';

			$excludedstuff = explode(',',$aioseop_options['aiosp_ex_pages']);

			foreach($excludedstuff as $exedd){

				//echo $exedd;

			    $exedd = trim($exedd);

			            if($exedd){

			                if(stristr($currenturl, $exedd)){

			                    return true;

				}

			}

		}

		return false;

	}

	function output_callback_for_title($content) {

		return $this->rewrite_title($content);

	}

//

//CHECK IF ARRAY EXISTS IN DB, IF SO, GET ARRAY, ADD EVERYTHING, CHECK FOR ISSET?

//

	function init() {

	if ( !defined('WP_PLUGIN_DIR') ) {

		load_plugin_textdomain('all_in_one_seo_pack', str_replace( ABSPATH, '', dirname(__FILE__)));

	} else {

		load_plugin_textdomain('all_in_one_seo_pack', false, dirname(plugin_basename(__FILE__)));

	}

/*

		if (function_exists('load_plugin_textdomain')) {

			load_plugin_textdomain('all_in_one_seo_pack', WP_PLUGIN_DIR . '/all-in-one-seo-pack');

		}

*/

	}

	function is_static_front_page() {

		global $wp_query;

		global $aioseop_options;

		$post = $wp_query->get_queried_object();

		return get_option('show_on_front') == 'page' && is_page() && $post->ID == get_option('page_on_front');

	}

	function is_static_posts_page() {

		global $wp_query;

		$post = $wp_query->get_queried_object();

		return get_option('show_on_front') == 'page' && is_home() && $post->ID == get_option('page_for_posts');

	}

	function get_base() {

   		 return '/'.end(explode('/', str_replace(array('\\','/all_in_one_seo_pack.php'),array('/',''),__FILE__)));

	}

	function seo_mrt_admin_head() {

		$home = get_settings('siteurl');

		$stylesheet = AIOSEOP_PLUGIN_URL . 'style.css';

		echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';

	}

	function wp_head() {

		if (is_feed()) {

			return;

		}

		global $wp_query;

		global $aioseop_options;

		$post = $wp_query->get_queried_object();

		$meta_string = null;

		if($this->is_static_posts_page()){

					$title = strip_tags( apply_filters( 'single_post_title', $post->post_title ) );

				}

		//echo("wp_head() " . wp_title('', false) . " is_home() => " . is_home() . ", is_page() => " . is_page() . ", is_single() => " . is_single() . ", is_static_front_page() => " . $this->is_static_front_page() . ", is_static_posts_page() => " . $this->is_static_posts_page());

		if (is_single() || is_page()) {

		    $aiosp_disable = htmlspecialchars(stripcslashes(get_post_meta($post->ID, '_aioseop_disable', true)));

		    if ($aiosp_disable) {

		    	return;

		    }

		}

			if( $this->aioseop_mrt_exclude_this_page()==TRUE ){

				return;

			}

		if ($aioseop_options['aiosp_rewrite_titles']) {

			// make the title rewrite as short as possible

			if (function_exists('ob_list_handlers')) {

				$active_handlers = ob_list_handlers();

			} else {

				$active_handlers = array();

			}

			if (sizeof($active_handlers) > 0 &&

				strtolower($active_handlers[sizeof($active_handlers) - 1]) ==

				strtolower('All_in_One_SEO_Pack::output_callback_for_title')) {

				ob_end_flush();

			} else {

				$this->log("another plugin interfering?");

				// if we get here there *could* be trouble with another plugin :(

				$this->ob_start_detected = true;

				if (function_exists('ob_list_handlers')) {

					foreach (ob_list_handlers() as $handler) {

						$this->log("detected output handler $handler");

					}

				}

			}

		}

		echo "\n<!-- All in One SEO Pack $this->version by Michael Torbert of Semper Fi Web Design";

		if ($this->ob_start_detected) {

			echo "ob_start_detected ";

		}

		echo "[$this->title_start,$this->title_end] ";

		echo "-->\n";

		$is_front_page = ( ( is_home() && $aioseop_options['aiosp_home_keywords'] && !$this->is_static_posts_page() ) || $this->is_static_front_page() );

		if ( $is_front_page ) {

			$keywords = trim($this->internationalize($aioseop_options['aiosp_home_keywords']));

		} elseif($this->is_static_posts_page() && !$aioseop_options['aiosp_dynamic_postspage_keywords']){  // and if option = use page set keywords instead of keywords from recent posts

				//$keywords = "posts keyyysss" . stripcslashes(get_post_meta($post->ID,'keywords',true));

				$keywords = stripcslashes($this->internationalize(get_post_meta($post->ID, "_aioseop_keywords", true)));

//			$keywords =	$this->get_unique_keywords($keywords);

			}	else {

				$keywords = $this->get_all_keywords();

			}

			if (is_single() || is_page() || $this->is_static_posts_page()) {

				if ($this->is_static_front_page()) {

					$description = trim(stripcslashes($this->internationalize($aioseop_options['aiosp_home_description'])));

				} else {

					$description = $this->get_post_description($post);

					$description = apply_filters('aioseop_description',$description);

				}

			} else if (is_home()) {

				$description = trim(stripcslashes($this->internationalize($aioseop_options['aiosp_home_description'])));

			} else if (is_category()) {

				$description = $this->internationalize(category_description());

			}

			if (isset($description) && (strlen($description) > $this->minimum_description_length) && !(is_home() && is_paged())) {

				$description = trim(strip_tags($description));

				$description = str_replace('"', '', $description);

				// replace newlines on mac / windows?

				$description = str_replace("\r\n", ' ', $description);

				// maybe linux uses this alone

				$description = str_replace("\n", ' ', $description);

				if (isset($meta_string)) {

					//$meta_string .= "\n";

				} else {

					$meta_string = '';

				}

				// description format

				$description_format = $aioseop_options['aiosp_description_format'];

				if (!isset($description_format) || empty($description_format)) {

					$description_format = "%description%";

				}

				$description = str_replace('%description%', apply_filters('aioseop_description_override', $description), $description_format);

				$description = str_replace('%blog_title%', get_bloginfo('name'), $description);

				$description = str_replace('%blog_description%', get_bloginfo('description'), $description);

				$description = str_replace('%wp_title%', $this->get_original_title(), $description);

				//$description = html_entity_decode($description, ENT_COMPAT, get_bloginfo('charset')); 

				if($aioseop_options['aiosp_can'] && is_attachment()){

					$url = $this->aiosp_mrt_get_url($wp_query);

					if ($url) {

						preg_match_all('/(\d+)/', $url, $matches);

						if (is_array($matches)){

							$uniqueDesc = join('',$matches[0]);

						}

					}

					$description .= ' ' . $uniqueDesc;

				}

				$meta_string .= sprintf("<meta name=\"description\" content=\"%s\" />", $description);

			}

			$keywords = apply_filters('aioseop_keywords',$keywords);		

			if (isset ($keywords) && !empty($keywords) && !(is_home() && is_paged())) {

				if (isset($meta_string)) {

					$meta_string .= "\n";

				}

				$keywords = str_replace('"','',$keywords);

				$meta_string .= sprintf("<meta name=\"keywords\" content=\"%s\" />", $keywords);

			}

			$is_tag = is_tag();

			if ((is_category() && $aioseop_options['aiosp_category_noindex']) || (!is_category() && is_archive() &&!$is_tag && $aioseop_options['aiosp_archive_noindex']) || ($aioseop_options['aiosp_tags_noindex'] && $is_tag)) {

				if (isset($meta_string)) {

					$meta_string .= "\n";

				}

				$meta_string .= '<meta name="robots" content="noindex,follow" />';

			}

			$page_meta = stripcslashes($aioseop_options['aiosp_page_meta_tags']);

			$post_meta = stripcslashes($aioseop_options['aiosp_post_meta_tags']);

			$home_meta = stripcslashes($aioseop_options['aiosp_home_meta_tags']);

			$front_meta = stripcslashes($aioseop_options['aiosp_front_meta_tags']);

			if ( is_page() && isset( $page_meta ) && !empty( $page_meta ) && ( !$is_front_page || empty( $front_meta ) ) ) {

				if ( isset( $meta_string ) ) $meta_string .= "\n";

				$meta_string .= $page_meta;

			}

			if (is_single() && isset($post_meta) && !empty($post_meta)) {

				if (isset($meta_string)) {

					$meta_string .= "\n";

				}

				$meta_string .= "$post_meta";

			}

			if ( !empty( $post ) && isset( $post->post_author ) )

				$googleplus = get_the_author_meta( 'googleplus', $post->post_author );

			if ( empty( $googleplus ) && !empty( $aioseop_options['aiosp_google_publisher'] ) )

				$googleplus = $aioseop_options['aiosp_google_publisher'];

			if ( is_singular() && ( $googleplus ) ) {

				$meta_string = '<link rel="author" href="' . $googleplus . '" />' . "\n" . $meta_string;

			} else if ( !is_home() && !empty( $aioseop_options['aiosp_google_publisher'] ) ) {

				$meta_string = '<link rel="author" href="' . $aioseop_options['aiosp_google_publisher'] . '" />' . "\n" . $meta_string;

			}

			if ( is_home() && !empty( $aioseop_options['aiosp_google_publisher'] ) )

				$meta_string = '<link rel="publisher" href="' . $aioseop_options['aiosp_google_publisher'] . '" />' . "\n" . $meta_string;

			if ( $is_front_page && !empty( $front_meta ) ) {

				if ( isset( $meta_string ) ) $meta_string .= "\n";

				$meta_string .= $front_meta;

			} else {

				if ( is_home() && !empty( $home_meta ) ) {

					if ( isset( $meta_string ) ) $meta_string .= "\n";

					$meta_string .= $home_meta;

				}

			}

			if ($meta_string != null) {