'.
'
'
);
}
}
function display_message_row($id, $wrap=true) {
extract(get_option(wpgb::get_name()));
if($messages[$id]['disable']){
$a_action = 'activate';
$a_class = 'inactive';
$a_text= 'Activate';
}
else{
$a_action = 'deactivate';
$a_class = 'active';
$a_text = 'Deactivate';
}
if($wrap){
echo(
''
);
}
echo(
'
'.
''.
''.
''
);
if($wrap){
echo(
'
'.
''.
''.
''.strtoupper($type).'
'.
'.'/images/loading.gif)
'.
'
'
);
}
}
function admin_ajax_update_custom($id, $wpgb_message) {
// convert "on" to 1 and "off" to 0 for checkbox fields
// and set defaults for fields that are left blank
if ( $wpgb_message['disable'] == 'off' )
$wpgb_message['disable'] = 0;
elseif ( $wpgb_message['disable'] == 'on' )
$wpgb_message['disable'] = 1;
if ( !$wpgb_message['timeout'] )
$wpgb_message['timeout'] = 0;
// Update options
$wpgb_options = get_option(wpgb::get_name());
$wpgb_options['messages'][$id] = $wpgb_message;
update_option(wpgb::get_name(), $wpgb_options );
}
function admin_ajax_update_default($type, $wpgb_message) {
// convert "on" to 1 and "off" to 0 for checkbox fields
// and set defaults for fields that are left blank
if ( $wpgb_message['disable'] == 'off' )
$wpgb_message['disable'] = 0;
elseif ( $wpgb_message['disable'] == 'on' )
$wpgb_message['disable'] = 1;
if ( !$wpgb_message['timeout'] )
$wpgb_message['timeout'] = 0;
// Update options
$wpgb_options = get_option(wpgb::get_name());
$wpgb_options['message_'.$type] = $wpgb_message;
update_option(wpgb::get_name(), $wpgb_options );
}
function update_options_exclusion() {
$wpgb_options_exclusion = stripslashes_deep($_POST['wpgb_options_exclusion']);
// convert "on" to 1 and "off" to 0 for checkbox fields
// and set defaults for fields that are left blank
if ( isset($wpgb_options_exclusion['regex_rules']) )
$wpgb_options_exclusion['regex_rules'] = 1;
else
$wpgb_options_exclusion['regex_rules'] = 0;
// Update options
$wpgb_options = get_option(wpgb::get_name());
foreach($wpgb_options_exclusion as $key => $value) {
$wpgb_options[$key] = $value;
}
update_option(wpgb::get_name(), $wpgb_options);
}
function update_options_general() {
$wpgb_options_general = stripslashes_deep($_POST['wpgb_options_general']);
// convert "on" to 1 and "off" to 0 for checkbox fields
// and set defaults for fields that are left blank
if ( isset($wpgb_options_general['show_page']) )
$wpgb_options_general['show_page'] = 1;
else
$wpgb_options_general['show_page'] = 0;
if ( isset($wpgb_options_general['show_post']) )
$wpgb_options_general['show_post'] = 1;
else
$wpgb_options_general['show_post'] = 0;
if ( isset($wpgb_options_general['regex_rules']) )
$wpgb_options_general['regex_rules'] = 1;
else
$wpgb_options_general['regex_rules'] = 0;
if ( isset($wpgb_options_general['can_close']) )
$wpgb_options_general['can_close'] = 1;
else
$wpgb_options_general['can_close'] = 0;
if ( isset($wpgb_options_general['show_link']) && $wpgb_options_general['show_link'] == 'off' )
$wpgb_options_general['show_link'] = 0;
else
$wpgb_options_general['show_link'] = 1;
if ( isset($wpgb_options_general['show_related']) )
$wpgb_options_general['show_related'] = 1;
else
$wpgb_options_general['show_related'] = 0;
if ( isset($wpgb_options_general['show_related_excerpt']) )
$wpgb_options_general['show_related_excerpt'] = 1;
else
$wpgb_options_general['show_related_excerpt'] = 0;
if ( !isset($wpgb_options_general['related_limit']) || $wpgb_options_general['related_limit'] == '' || !is_numeric($wpgb_options_general['related_limit']))
$wpgb_options_general['related_limit'] = 5;
if ( !isset($wpgb_options_general['related_excerpt_len']) || $wpgb_options_general['related_excerpt_len'] == '' || !is_numeric($wpgb_options_general['related_excerpt_len']))
$wpgb_options_general['related_excerpt_len'] = 20;
// set defaults if some fields that are left blank
if ( !$wpgb_options_general['rss_link'] )
$wpgb_options_general['rss_link'] = get_bloginfo('rss_url');
// Update options
$wpgb_options = get_option(wpgb::get_name());
foreach($wpgb_options_general as $key => $value) {
$wpgb_options[$key] = $value;
}
update_option(wpgb::get_name(), $wpgb_options);
}
function admin_ajax_add($wpgb_message) {
// convert "on" to 1 and "off" to 0 for checkbox fields
// and set defaults for fields that are left blank
if ( $wpgb_message['disable'] == 'off' )
$wpgb_message['disable'] = 0;
elseif ( $wpgb_message['disable'] == 'on' )
$wpgb_message['disable'] = 1;
if ( !$wpgb_message['timeout'] )
$wpgb_message['timeout'] = 0;
// Add to options
$wpgb_options = get_option(wpgb::get_name());
$wpgb_options['messages'][] = $wpgb_message;
update_option(wpgb::get_name(), $wpgb_options );
return sizeof($wpgb_options['messages']) - 1;
}
function admin_ajax_delete($id) {
$wpgb_options = get_option(wpgb::get_name());
// delete item but can't reindex yet
unset($wpgb_options['messages'][$id]);
// Update options
update_option(wpgb::get_name(), $wpgb_options );
return sizeof($wpgb_options['messages']) - 1;
}
function upgrade_options() {
$wpgb_options = get_option(wpgb::get_name());
if ( !$wpgb_options ) {
add_option(wpgb::get_name(), wpgb::get_default_options());
}
else {
$default_options = wpgb::get_default_options();
foreach($default_options as $option_name => $option_value) {
if(!isset($wpgb_options[$option_name])) {
$wpgb_options[$option_name] = $option_value;
}
}
foreach($default_options['messages'] as $def_message) {
$found = false;
foreach($wpgb_options['messages'] as $message) {
if($message['referrer'] == $def_message['referrer']) {
$found = true;
break;
}
}
if(!$found) {
$wpgb_options['messages'][] = $def_message;
}
}
update_option(wpgb::get_name(), $wpgb_options);
}
}
function reset_options() {
if ( !get_option(wpgb::get_name()) ) {
add_option(wpgb::get_name(), wpgb::get_default_options());
}
else {
update_option(wpgb::get_name(), wpgb::get_default_options());
}
}
function get_nonce() {
return wp_create_nonce(wpgb::get_name());
}
function get_name() {
return 'wp_greet_box';
}
function get_plugin_dir() {
// Pre-2.6 compatibility
if ( !defined('WP_CONTENT_DIR') )
define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
return WP_CONTENT_DIR.'/plugins/'.plugin_basename(dirname(__FILE__));
}
function get_plugin_url() {
// Pre-2.6 compatibility
if ( !defined('WP_CONTENT_URL') )
define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content');
return WP_CONTENT_URL.'/plugins/'.plugin_basename(dirname(__FILE__));
}
function get_current_page_url() {
$isHTTPS = (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on");
$port = (isset($_SERVER["SERVER_PORT"]) && ((!$isHTTPS && $_SERVER["SERVER_PORT"] != "80") || ($isHTTPS && $_SERVER["SERVER_PORT"] != "443")));
$port = ($port) ? ':'.$_SERVER["SERVER_PORT"] : '';
$url = ($isHTTPS ? 'https://' : 'http://').$_SERVER["SERVER_NAME"].$port.$_SERVER["REQUEST_URI"];
return $url;
}
function get_icon_html($icon_file) {
return ''
);
}
echo(
'
'.
''.
''.
''
);
if($wrap){
echo(
'
'.
''.
''.
''.$messages[$id]['referrer'].'
'.
'You were searching for "'.wpgb::get_ref_info('terms', $http_referrer).'". See posts relating to your search »';
$greet_html .= '
';
}
if($show_link) {
$greet_html .= '';
}
$greet_html .= $after_text.$after_greet;
// use default title and URL if none is passed
if($page_url == '')
$permalink_r = wpgb::get_current_page_url();
else
$permalink_r = $page_url;
if($page_title == '')
$title_r = wp_title('', false);
else
$title_r = $page_title;
// replace tags
$greet_html = str_replace('[[rss-link]]', $rss_link, $greet_html);
$greet_html = str_replace('[[permalink]]', $permalink_r, $greet_html);
$greet_html = str_replace('[[escaped-permalink]]', rawurlencode($permalink_r), $greet_html);
$greet_html = str_replace('[[title]]', $title_r, $greet_html);
$greet_html = str_replace('[[escaped-title]]', rawurlencode($title_r), $greet_html);
return $greet_html;
}
function is_excluded($referrer) {
extract(get_option(wpgb::get_name()));
if(!isset($exclude_referrer) || !strlen($exclude_referrer)) {
return false;
}
$rules = split(chr(10), $exclude_referrer);
foreach( $rules as $rule ) {
if($regex_rules) {
$rule = str_replace('/', '\\/', $rule);
if(preg_match('/'.$rule.'/', $referrer)) {
return true;
}
}
else {
if(strlen($rule) > 0 && stristr($referrer, $rule)) {
return true;
}
}
}
return false;
}
function find_greet_html($http_referrer, $visit_delta, $page_url, $page_title) {
extract(get_option(wpgb::get_name()));
$referrer_domain = wpgb::get_ref_domain($http_referrer, false);
if(strlen(trim($referrer_domain)) > 0 && stristr(get_option('siteurl'), $referrer_domain)) {
return ""; // if self referral
}
if(!wpgb::is_excluded($http_referrer)) {
// if not one of the excluded URLs
if(strlen(trim($referrer_domain)) > 0){
// if referrer is defined and is a regular URL
foreach($messages as $message){
if(!$message['disable'] && strlen(trim($message['referrer'])) > 0 && strlen(trim($message['text'])) > 0){
// if message referrer & text is defined and message is enabled
// prepare regex for matching
$referrer_regex = str_replace(' ', '', $message['referrer']);
$referrer_regex = str_replace('.', '\\.', $referrer_regex);
$referrer_regex = str_replace('/', '\\/', $referrer_regex);
$referrer_regex = str_replace(',', '|', $referrer_regex);
$referrer_regex = str_replace('*', '.*', $referrer_regex);
$referrer_regex = '/'.$referrer_regex.'/';
// compare regex
if(preg_match($referrer_regex, $http_referrer)){
if($visit_delta < 0 || $visit_delta >= $message['timeout']){
return wpgb::get_greet_html($message['icon'], $message['text'], $http_referrer, $page_url, $page_title);
}
}
}
}
}
// if referrer not defined or no custom greeting messages match, display default
if(!$message_default['disable'] && strlen(trim($message_default['text'])) > 0){
if($visit_delta < 0 || $visit_delta >= $message_default['timeout']){
return wpgb::get_greet_html($message_default['icon'], $message_default['text'], $http_referrer, $page_url, $page_title);
}
}
}
else{
// if it is an excluded referrer then return nothing
return "";
}
}
function get_ref_delim($http_referrer) {
$ref = wpgb::get_ref_domain($http_referrer);
// Search engine match array
// Used for fast delimiter lookup for single host search engines.
// Non .com Google/MSN/Yahoo referrals are checked for after this array is checked
$search_engines = array(
'google.fr' => 'q',
'google.com' => 'q',
'search.yahoo.com' => 'p',
'fr.search.yahoo.com' => 'p',
'search.msn.com' => 'q',
'search.live.com' => 'q',
'rechercher.aliceadsl.fr' => 'qs',
'vachercher.lycos.fr' => 'query',
'search.lycos.com' => 'query',
'alltheweb.com' => 'q',
'search.aol.com' => 'query',
'search.ke.voila.fr' => 'rdata',
'recherche.club-internet.fr' => 'q',
'ask.com' => 'q',
'hotbot.com' => 'query',
'overture.com' => 'Keywords',
'search.netscape.com' => 'query',
'search.looksmart.com' => 'qt',
'search.earthlink.net' => 'q',
'search.viewpoint.com' => 'k',
'mamma.com' => 'query'
);
$delim = false;
// Check to see if we have a host match in our lookup array
if (isset($search_engines[$ref])) {
$delim = $search_engines[$ref];
}
else {
// Lets check for referrals for international TLDs and sites with strange formats
if (strpos($ref, 'google.') !== false && strpos($ref, 'reader') === false)
$delim = 'q';
elseif (strpos($ref, 'search.msn.') !== false)
$delim = 'q';
elseif (strpos($ref, '.search.yahoo.') !== false)
$delim = 'q';
elseif (strpos($ref, 'exalead.') !== false)
$delim = 'q';
elseif (strpos($ref, 'search.aol.') !== false)
$delim = 'query';
elseif (strpos($ref, '.ask.com') !== false)
$delim = 'q';
elseif (strpos($ref, 'recherche.aol.fr') !== false)
$delim = (strpos($http_referrer, 'query')!==false)?'query':'q';
}
return $delim;
}
function get_ref_terms($http_referrer) {
$terms = null;
$delimiter = wpgb::get_ref_delim($http_referrer);
if($delimiter) {
$query_array = array();
$query_terms = null;
// Get raw query
$query = explode($delimiter.'=', $http_referrer);
$query = explode('&', $query[1]);
$query = urldecode($query[0]);
// Remove quotes, split into words, and format for HTML display
$query = str_replace("'", '', $query);
$query = str_replace('"', '', $query);
$query_array = preg_split('/[\s,\+\.]+/',$query);
$query_terms = implode(' ', $query_array);
$terms = htmlspecialchars(urldecode($query_terms));
}
return $terms;
}
function get_ref_domain($http_referrer, $strip_www=true) {
// Break out quickly so we don't waste CPU cycles on non referrals
if (!isset($http_referrer) || ($http_referrer == '')) return false;
$referer_info = parse_url($http_referrer);
$referer = $referer_info['host'];
if($strip_www && substr($referer, 0, 4) == 'www.') {
// Remove www. if necessary
$referer = substr($referer, 4);
}
return $referer;
}
function get_ref_related($http_referrer, $limit=5, $before_title='', $after_title='', $before_post='', $after_post='', $show_pass_post=false, $show_excerpt=false, $excerpt_len=20) {
global $wpdb, $id;
// Is this a supported search engine?
if (!wpgb::get_ref_domain($http_referrer)) return false;
$terms = $wpdb->escape(wpgb::get_ref_terms($http_referrer));
if ($terms) {
$time_difference = get_option('gmt_offset');
$now = gmdate("Y-m-d H:i:s", (time()+($time_difference*3600)));
// Primary SQL query
$sql = 'SELECT ID, post_title, post_content,'
. "MATCH (post_title, post_content) AGAINST ('".$terms."') AS score "
. 'FROM '.$wpdb->posts.' WHERE '
. "MATCH (post_title, post_content) AGAINST ('".$terms."') "
. "AND post_date <= '".$now."' "
. "AND (post_status IN ( 'publish', 'static' )) "
. "AND post_type = 'post' ";
if ($show_pass_post == false) {
$sql .= "AND post_password = '' ";
}
$sql .= "ORDER BY score DESC LIMIT $limit";
$results = $wpdb->get_results($sql);
$output = '';
if ($results) {
foreach ($results as $result) {
$title = stripslashes(apply_filters('the_title', $result->post_title));
$permalink = get_permalink($result->ID);
$post_content = strip_tags($result->post_content);
$post_content = stripslashes($post_content);
$output .= $before_title . '' . $title . '' . $after_title;
if ($show_excerpt) {
$words=split(" ",$post_content);
$post_strip = join(" ", array_slice($words,0,$excerpt_len));
$output .= $before_post . $post_strip . $after_post;
}
}
return $output;
} else {
return $before_title.__('No related posts.').$after_title;
}
}
}
// Return true if the referer is a search engine
function get_ref_info($what, $http_referrer) {
// Is this a supported search engine?
if (!wpgb::get_ref_domain($http_referrer)) return false;
$terms = wpgb::get_ref_terms($http_referrer);
if($terms) {
if ($what == 'isref') {
return ($terms != ''?true:false);
}
if ($what == 'terms') {
return $terms;
}
}
}
function get_html() {
$html .= '';
extract(get_option(wpgb::get_name()));
if(!$message_noscript['disable']) {
$html .= '';
}
$html .= '
';
return $html;
}
function display() {
global $wpgb_shown;
extract(get_option(wpgb::get_name()));
if(is_feed() || ($show_page && is_page()) || ($show_post && is_single())){
return;
}
else{
$wpgb_shown = true;
echo wpgb::get_html();
}
}
function filter_content($content) {
global $wpgb_shown;
extract(get_option(wpgb::get_name()));
if((is_page() && $show_page) || (is_single() && $show_post)) {
if($position == 'after') {
$wpgb_shown = true;
return $content . wpgb::get_html();
}
else {
$wpgb_shown = true;
return wpgb::get_html() . $content;
}
}
else {
return $content;
}
}
function admin_request_handler() {
check_ajax_referer(wpgb::get_name());
if(isset($_POST['wpgb_action'])){
if(isset($_POST['wpgb_id'])){
if ( strtolower($_POST['wpgb_action']) == 'activate' ) {
wpgb::admin_ajax_activate($_POST['wpgb_id']);
}
elseif ( strtolower($_POST['wpgb_action']) == 'deactivate' ) {
wpgb::admin_ajax_deactivate($_POST['wpgb_id']);
}
elseif ( strtolower($_POST['wpgb_action']) == 'delete' ) {
wpgb::admin_ajax_delete($_POST['wpgb_id']);
}
elseif ( strtolower($_POST['wpgb_action']) == 'get_add_form' ) {
wpgb::admin_ajax_get_add_form($_POST['wpgb_id']);
}
elseif ( strtolower($_POST['wpgb_action']) == 'get_edit_form' ) {
if(is_numeric($_POST['wpgb_id'])){
wpgb::admin_ajax_get_edit_form($_POST['wpgb_id']);
}
else{
wpgb::admin_ajax_get_edit_form_default($_POST['wpgb_id']);
}
}
elseif ( strtolower($_POST['wpgb_action']) == 'update' ) {
if(is_numeric($_POST['wpgb_id'])){
wpgb::admin_ajax_update_custom($_POST['wpgb_id'], stripslashes_deep($_POST['wpgb_message']));
wpgb::display_message_row($_POST['wpgb_id'], false);
}
else{
wpgb::admin_ajax_update_default($_POST['wpgb_id'], stripslashes_deep($_POST['wpgb_message']));
wpgb::display_default_row($_POST['wpgb_id'], false);
}
}
else {
echo 'Invalid wpgb_action.';
}
}
else{
if ( strtolower($_POST['wpgb_action']) == 'add' ) {
$id = wpgb::admin_ajax_add(stripslashes_deep($_POST['wpgb_message']));
wpgb::display_message_row($id, true);
}
elseif ( strtolower($_POST['wpgb_action']) == 'show_advanced_options' ) {
wpgb::admin_ajax_enable_advanced_options(true);
}
elseif ( strtolower($_POST['wpgb_action']) == 'hide_advanced_options' ) {
wpgb::admin_ajax_enable_advanced_options(false);
}
else {
echo 'Invalid wpgb_action.';
}
}
exit();
}
}
function set_header() {
if (wpgb::get_ref_info('isref', $_SCRIPT['HTTP_REFERER'])) header('Vary: Referer', false);
}
function public_request_handler() {
if(isset($_GET['wpgb_public_action'])){
if ( strtolower($_GET['wpgb_public_action']) == 'query' ) {
echo wpgb::find_greet_html(urldecode($_GET['referrer']),$_GET['visit_delta'],urldecode($_GET['url']),urldecode($_GET['title']));
}
exit;
}
}
function admin_ajax_activate($id) {
$wpgb_options = get_option(wpgb::get_name());
if($id == 'default'){
$wpgb_options['message_default']['disable'] = 0;
}
elseif($id == 'noscript'){
$wpgb_options['message_noscript']['disable'] = 0;
}
else{
$wpgb_options['messages'][$id]['disable'] = 0;
}
update_option(wpgb::get_name(), $wpgb_options );
}
function admin_ajax_deactivate($id) {
$wpgb_options = get_option(wpgb::get_name());
if($id == 'default'){
$wpgb_options['message_default']['disable'] = 1;
}
elseif($id == 'noscript'){
$wpgb_options['message_noscript']['disable'] = 1;
}
else{
$wpgb_options['messages'][$id]['disable'] = 1;
}
update_option(wpgb::get_name(), $wpgb_options );
}
function admin_ajax_get_add_form($status) {
extract(get_option(wpgb::get_name()));
if($status == 'active'){
$disable = 'off';
}
else{
$disable = 'on';
}
echo(
''.
''.
'
'
);
}
function admin_ajax_get_edit_form($id) {
extract(get_option(wpgb::get_name()));
if ( $messages[$id]['disable'] )
$checkmark = 'checked';
else
$checkmark = '';
echo(
''
);
}
function admin_ajax_get_edit_form_default($type) {
extract(get_option(wpgb::get_name()));
if($type == "default"){
$m = $message_default;
$type = 'default';
$visitor_timeout = 'Visitor Timeout (minutes):'; } else{ $m = $message_noscript; $type = 'noscript'; $visitor_timeout = ''; } if ( $m['disable'] ) $checkmark = 'checked'; else $checkmark = ''; echo( '' ); } function admin_ajax_enable_advanced_options($enable) { $wpgb_options = get_option(wpgb::get_name()); if($enable == true){ $wpgb_options['show_advanced_options'] = 1; } else{ $wpgb_options['show_advanced_options'] = 0; } update_option(wpgb::get_name(), $wpgb_options ); } function admin_menu() { $options_page = add_options_page('WP Greet Box', 'WP Greet Box', 'manage_options', 'wp-greet-box', array('wpgb', 'admin_page')); add_action('admin_head-'.$options_page, array('wpgb', 'load_admin_scripts')); } function admin_page() { if ( isset($_POST['wpgb_options_general_submit']) ) { check_admin_referer('wpgb'); wpgb::update_options_general(); echo '
WP Greet Box options updated.
WP Greet Box options updated.
WP Greet Box options has been upgraded.
WP Greet Box options has been reset.