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$gps_time = urldecode($wp_query->query_vars['gpstime']);
// gpstime of '0000-00-00 00:00:00' is how we determine if its a nonce request
if ($gps_time == '0000-00-00 00:00:00') {
$session_id = $wp_query->query_vars['sessionid'];
$session_id_pattern = '[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}';
if (preg_match($session_id_pattern, $session_id)) {
$wpnonce = wp_create_nonce($session_id);
} else {
$wpnonce = '0';
}
header("Content-Type:text/plain");
echo $nonce;
exit;
} else { // we have a date, so check if the nonce is the one we set above
if (!wp_verify_nonce($wp_query->query_vars['wpnonce'], $wp_query->query_vars['sessionid'])) {
exit;
} else {
global $wpdb;
$table_name = $wpdb->prefix . 'gps_locations';
$wpdb->insert(
$table_name,
array(
'latitude' => $wp_query->query_vars['latitude'],
'longitude' => $wp_query->query_vars['longitude'],
'phone_number' => $wp_query->query_vars['phonenumber'],
'session_id' => $wp_query->query_vars['sessionid'],
'speed' => $wp_query->query_vars['speed'],
'direction' => $wp_query->query_vars['direction'],
'distance' => $wp_query->query_vars['distance'],
'gps_time' => $gps_time,
'location_method' => $wp_query->query_vars['locationmethod'],
'accuracy' => $wp_query->query_vars['accuracy'],
'extra_info' => $wp_query->query_vars['extrainfo'],
'event_type' => urldecode($wp_query->query_vars['eventtype'])
),
array(
'%f', '%f', '%s', '%s', '%d', '%d', '%f', '%s', '%s', '%d', '%s', '%s'
)
);
header("Content-Type:text/plain");
echo 'data';
exit;
}
}
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