uniqid(),
'blockadblock' => uniqid(),
'show' => uniqid(),
'impsc' => uniqid(),
'static' => uniqid(),
);
update_option( ADBLADE_OPTIONS_KEY, $options, 'yes' );
}
}
add_action('adblade_cron_event', 'adblade_regenerate_bypass_rules');
function adblade_deactivation() {
wp_clear_scheduled_hook( ADBLADE_CRON );
}
register_deactivation_hook(__FILE__, 'adblade_deactivation');
// But WordPress has a whitelist of variables it allows, so we must put it on that list
function adblade_query_vars( $queryVars ) {
$options = get_option( ADBLADE_OPTIONS_KEY );
if (array_key_exists( 'query_var', $options )) {
$queryVars[] = $options['query_var'];
$queryVars[] = $options['query_var'] . 'path';
}
return $queryVars;
}
add_action( 'query_vars', 'adblade_query_vars' );
// add "settings" link on plugins page
function add_action_links ( $links ) {
$links[] = 'Settings';
return $links;
}
add_filter( 'plugin_action_links_' . plugin_basename(__FILE__), 'add_action_links' );
// If this is done, we can access it later
// This example checks very early in the process:
// if the variable is set, we include our page and stop execution after it
function adblade_parse_request( &$wp ) {
$options = get_option( ADBLADE_OPTIONS_KEY );
if (do_adblade_bypass() && array_key_exists( 'query_var', $options )) {
$queryVars = $wp->query_vars;
$queryVar = $options['query_var'];
if ( array_key_exists($queryVar, $queryVars ) ) {
$url = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
switch($queryVars[$queryVar]) {
case $options['redirect_actions']['blockadblock']:
header('Content-Type: application/javascript');
echo file_get_contents( WP_PLUGIN_DIR . '/adblade-publisher-tools/js/blockadblock.js' );
break;
case $options['redirect_actions']['logab']:
header('Content-Type: application/javascript');
include WP_PLUGIN_DIR . '/adblade-publisher-tools/js/log-ab.php';
break;
case $options['redirect_actions']['show']:
header('Content-Type: application/javascript');
adblade_proxy( 'web.adblade.com', '/js/ads/async/show.js');
break;
case $options['redirect_actions']['impsc']:
$queryString = filter_input( INPUT_SERVER, 'QUERY_STRING' );
if ( ! empty( $queryString ) ) {
adblade_proxy( 'web.adblade.com', sprintf( '/impsc.php?%s=1&%s', ADBLADE_URL_PARAM, $queryString ), true );
}
break;
case $options['redirect_actions']['static']:
$path = $queryVars[$queryVar . 'path'];
adblade_proxy( 'staticd.cdn.adblade.com', $path);
break;
default:
include WP_PLUGIN_DIR . '/adblade-publisher-tools/' . $queryVars[$queryVar];
};
exit();
}
}
}
add_action( 'parse_request', 'adblade_parse_request' );
/**
* Add shortcode for Adblade ads.
* e.g.[adblade container_id="####-##########"]
* @param array $atts - The short code attribures.
* @return An ad tag
*/
function adblade_shortcode( $atts ) {
$a = shortcode_atts(
array(
'container_id' => '',
'host' => 'web.adblade.com',
'protocol' => 'http',
'type' => 2,
'width' => 1,
'height' => 1,
),
$atts
);
// Do nothing if no container id was set.
if ( empty( $a['container_id'] ) ) {
return '';
}
return sprintf(
'',
$a['container_id'], $a['host'], $a['protocol'], $a['width'], $a['height'], $a['type'], $a['protocol'], $a['host']
);
}
add_shortcode( 'adblade', 'adblade_shortcode' );
/**
* Replace "[AdsWithin] with a specified ad tag
* @param array $atts - The short code attribures.
* @return The replacement text
*/
function adblade_ads_within_shortcode( $atts ) {
$options = get_option( ADBLADE_OPTIONS_KEY );
if ( array_key_exists( 'adsWithinTag', $options ) && ! empty( $options['adsWithinTag'] ) ) {
return $options['adsWithinTag'];
}
return '';
}
add_shortcode( 'AdsWithin', 'adblade_ads_within_shortcode' );
/**
* Filter posts so we can add tags before and after the content.
* @param string $content The content of the post.
* @return filtered content
*/
function adblade_content_filter( $content ) {
if ( ! is_single() ) {
return $content;
}
$options = get_option( ADBLADE_OPTIONS_KEY );
$beforeTag = '';
$afterTag = '';
if ( array_key_exists( 'beforePostTag', $options ) && ! empty( $options['beforePostTag'] ) ) {
$beforeTag = stripslashes( $options['beforePostTag'] );
}
if ( array_key_exists( 'afterPostTag', $options ) && ! empty( $options['afterPostTag'] ) ) {
$afterTag = stripslashes( $options['afterPostTag'] );
}
return $beforeTag . $content . $afterTag;
}
add_filter( 'the_content', 'adblade_content_filter' );
/**
* Add scripts to page.
*/
function adblade_enqueue_scripts() {
if (do_adblade_bypass()) {
$options = get_option( ADBLADE_OPTIONS_KEY );
// we only want to do this if the query_var was successfully made.
if (array_key_exists( 'query_var', $options )) {
// These should not be added until after jQuery load.
wp_enqueue_script( 'blockadblock', '/index.php?' . $options['query_var'] . '=' . $options['redirect_actions']['blockadblock'], array( 'jquery' ), null, true );
wp_enqueue_script( 'log-ab', '/index.php?' . $options['query_var'] . '=' . $options['redirect_actions']['logab'], array( 'blockadblock', 'jquery' ), null, true );
}
}
}
add_action( 'wp_enqueue_scripts', 'adblade_enqueue_scripts' );
/**
* Make requests to the adblade servers.
* @param string $host The host the request is going to.
* @param string $path The path of the URL.
* @param boolean $skipCache Whether or not we should skip the cache.
*/
function adblade_proxy( $host, $path, $skipCache = false ) {
// Make sure it is an adblade domain.
$validDomains = array(
'web.adblade.com',
'web.industrybrains.com',
'static.adblade.com',
'staticd.cdn.adblade.com',
'static.industrybrains.com',
'staticd.cdn.industrybrains.com',
);
if ( ! in_array( $host, $validDomains ) ) {
return;
}
// Make sure the request matches one we are familiar with.
$requestMatch = false;
$validRequestPatterns = array(
'#^/banners/images/\d+x\d+/.*\.[a-z]{3,4}$#',
'#^/css/.*css$#',
'#^/impsc?.php#',
'#^/js/ads/async/show.js$#',
);
foreach ( $validRequestPatterns as $pattern ) {
if ( preg_match( $pattern, $path ) ) {
$requestMatch = true;
break;
}
}
if ( ! $requestMatch ) {
return;
}
$url = sprintf( 'http://%s%s', $host, $path );
/**
* A callback function to proxy requests.
* @param $url
* @return mixed (array|false) false if there was an error
*/
$proxy = function ( $url ) {
$options = get_option( ADBLADE_OPTIONS_KEY );
$defaultDisclosure = 'Advertisement';
$replacements = array(
'/\Qimpsc.php?\E/' => sprintf( '/index.php?%s=%s&', $options['query_var'], $options['redirect_actions']['impsc'] ),
'#\Qhttp\Es?\Q://staticd.cdn.adblade.com\E#' => sprintf( '/index.php?%s=%s&%spath=', $options['query_var'], $options['redirect_actions']['static'], $options['query_var'] ),
'/\Qad_type_1\E/' => 'blade_type_1',
'/\QAds by Adblade\E/' => $defaultDisclosure,
'/\Qclicks.php?\E/' => sprintf( 'clicks.php?%s=1&', ADBLADE_URL_PARAM ),
'/\Q_common_dz.css\E/' => sprintf( '/index.php?%s=%s&%spath=/css/zones/_common_dz.css', $options['query_var'], $options['redirect_actions']['static'], $options['query_var'] ),
);
// Make the request.
$response = wp_safe_remote_get(
$url,
array(
'user-agent' => 'Adblade WordPress Plugin',
'headers' => array(
'X-Forwarded-For' => array_key_exists( 'HTTP_X_FORWARDED_FOR', $_SERVER ) ? filter_input( INPUT_SERVER, 'HTTP_X_FORWARDED_FOR' ) : filter_input( INPUT_SERVER, 'REMOTE_ADDR' ),
),
'cookies' => array(
'__tuid' => '6198487235506032324',
),
)
);
if ( is_wp_error( $response ) ) {
header( 'HTTP/1.0 500 Internal Server Error' );
echo $response->get_error_message();
return false;
}
$result = array(
// Replace anything that an ad blocker might not like.
'body' => preg_replace( array_keys( $replacements ), array_values( $replacements ), $response['body'] ),
);
// Add the content type header, if one was sent from adblade.
if ( array_key_exists( 'content-type', $response['headers'] ) ) {
$result['headers'] = array(
'content-type' => $response['headers']['content-type'],
);
}
return $result;
};
$responseHandler = function ( $response ) {
if ( $response ) {
if ( array_key_exists( 'headers', $response ) && array_key_exists( 'content-type', $response['headers'] ) ) {
header( 'Content-type: ' . $response['headers']['content-type'] );
}
echo $response['body'];
return;
}
};
if ( $skipCache ) {
$response = $proxy($url);
$responseHandler($response);
return;
} else {
// This is a static call, use a cache.
header( 'Cache-Control: public' );
header( sprintf( 'Expires: %s GMT', gmdate( 'D, d M Y H:i:s', time() + HOUR_IN_SECONDS ) ) );
$transient = get_transient( $url );
if ( ! $transient ) {
// Get transient and set it.
$response = $proxy($url);
if ( ! $response ) {
set_transient( $url, $response, MINUTE_IN_SECONDS );
}
$responseHandler($response);
return;
} else {
$responseHandler($transient);
return;
}
}
}
/**
* Whether or not bypass is enabled.
* @return boolean -True if enabled.
*/
function do_adblade_bypass() {
$options = get_option( ADBLADE_OPTIONS_KEY );
return array_key_exists( 'bypass', $options ) && intval( $options['bypass'] ) === 1;
}