improve engagement and increase revenue. To get started: 1) Click the "Activate" link to the left of this description, 2) Sign up to get your Adknowledge Engage™ API key, and 3) Go to your Adknowledge Engage configuration to save your API key and set up this plugin.
* Author: Adknowledge
* Author URI: http://www.adknowledge.com
* Version: 1.1
* Text Domain: related content
*/
define('ADENG_PLUGIN_NAME', plugin_basename(__FILE__));
define('ADENG_DOMAIN', 'app.engage.bidsystem.com');
define('ADENG_CHECK_DOMAIN', 'api.engage.bidsystem.com');
define('ADENG_SIDEBAR_URL', 'http://api.engage.bidsystem.com/engage_plugin_sidebar.html');
/**
* Method that is available to the users to insert into their themes.
* @usage
*/
function adk_engage() {
global $post;
$apiKey = get_option('adeng_api_key');
$aId = get_option('adeng_affiliate_id');
$verified = get_option('adeng_api_key_verified');
$display = (array)get_option('adeng_display');
$inject = false;
$script = '';
if (! $apiKey) {
// no API key has been set, do nothing
return;
}
$script = '
';
echo $script;
}
function adeng_display($content) {
global $post;
$apiKey = get_option('adeng_api_key');
$aId = get_option('adeng_affiliate_id');
$verified = get_option('adeng_api_key_verified');
$display = (array)get_option('adeng_display');
$excludes = (array)get_option('adeng_exclude');
$inject = false;
$script = '';
if (! $apiKey) {
// no API key has been set, simply return the content untouched
return $content;
}
if (is_front_page() && in_array('front', $display)) {
$inject = true;
} elseif (is_home() && in_array('home', $display)) {
$inject = true;
} elseif (is_single() && in_array('single', $display)) {
$inject = true;
$cats = wp_get_post_categories($post->ID);
if (isset($excludes['categories'])) {
foreach ($cats as $id) {
if (in_array($id, $excludes['categories'])) {
$inject = false;
break;
}
}
}
$tags = wp_get_post_tags($post->ID);
if (isset($excludes['tags'])) {
foreach ($tags as $tag) {
if (in_array($tag->term_id, $excludes['tags'])) {
$inject = false;
break;
}
}
}
} elseif (is_page() && in_array('page', $display)) {
$inject = true;
$cats = wp_get_post_categories($post->ID);
if (isset($excludes['categories'])) {
foreach ($cats as $id) {
if (in_array($id, $excludes['categories'])) {
$inject = false;
break;
}
}
}
$tags = wp_get_post_tags($post->ID);
if (isset($excludes['tags'])) {
foreach ($tags as $tag) {
if (in_array($tag->term_id, $excludes['tags'])) {
$inject = false;
break;
}
}
}
} elseif (is_category() && in_array('category', $display)) {
$inject = true;
$cats = wp_get_post_categories($post->ID);
if (isset($excludes['categories'])) {
foreach ($cats as $id) {
if (in_array($id, $excludes['categories'])) {
$inject = false;
break;
}
}
}
} elseif (is_tag() && in_array('tag', $display)) {
$inject = true;
$tags = wp_get_post_tags($post->ID);
if (isset($excludes['tags'])) {
foreach ($tags as $tag) {
if (in_array($tag->term_id, $excludes['tags'])) {
$inject = false;
break;
}
}
}
} elseif (is_author() && in_array('author', $display)) {
$inject = true;
} elseif (is_date() && in_array('date', $display)) {
$inject = true;
} elseif (is_search() && in_array('search', $display)) {
$inject = true;
} elseif (is_attachment() && in_array('attachments', $display)) {
$inject = true;
}
if ($inject) {
$script = '
';
$top = (bool)get_option('adeng_display_top', 0);
$bottom = (bool)get_option('adeng_display_bottom', 0);
if ($top) {
$content = $script . $content;
}
if ($bottom) {
$content = $content . $script;
}
}
return $content;
}
// add admin options page
function adeng_add_submenu_page(){
add_menu_page(__('Settings','adeng'), __('Adknowledge Engage','adeng'), 'manage_options', 'adeng-main', 'adeng_basic_form');
add_submenu_page('adeng-main', __('Basic Settings','adeng'), __('Basic Settings','adeng'), 'manage_options', 'adeng-main', 'adeng_basic_form');
}
// Add settings link on plugin page
function adeng_settings_link($links) {
$settings_link = 'Settings';
array_unshift($links, $settings_link);
return $links;
}
function adeng_rewrite_rules($incoming) {
global $wp_rewrite;
$apiKey = get_option('adeng_api_key');
$adengRules = array();
if ($apiKey) {
$adengRules = array(
$apiKey.'.txt(/)?' => 'index.php?adeng_robots=1',
);
}
$wp_rewrite->rules = $adengRules + $wp_rewrite->rules;
}
function adeng_query_vars($vars) {
$vars[] = 'adeng_robots';
return $vars;
}
function adeng_robots_page() {
global $wp_query, $wpdb;
if (isset($wp_query->query_vars['adeng_robots']) && $wp_query->query_vars['adeng_robots'] == 1) {
$base = get_site_url();
// categories
$cat = get_categories('number=1');
$txt = '';
$catTxt = '';
if (count($cat) > 0) {
$cat = $cat[0];
$url = get_category_link($cat->term_id);
$parts = explode('/', $url);
unset($parts[count($parts)-1], $parts[count($parts)-1]);
$url = implode('/', $parts) .'/';
$url = str_replace($base, '', $url);
$catTxt = $url;
}
// users
$tagTxt = '/tag/';
$userTxt = '/author/';
$archives= '/archives/';
// date-based archives
$permaTxt = '';
// get the starting year
$rows = $wpdb->get_results("SELECT DISTINCT YEAR( post_date ) AS year, MONTH (post_date) AS month
FROM $wpdb->posts
WHERE post_status = 'publish' and post_date <= now( )
and post_type = 'post'
ORDER BY post_date DESC"
);
$now = date("Y");
foreach ($rows as $row) {
$permaTxt .= 'Disallow: /'. $row->year .'/'. $row->month .'/$'. "\n";
$permaTxt .= 'Disallow: /'. $row->year .'/'. $row->month .'/page/'. "\n";
}
$txt = "Disallow: /wp-\nDisallow: /page/\nDisallow: $catTxt\nDisallow: $userTxt\nDisallow: $tagTxt\nDisallow: $archives\n$permaTxt";
header("Content-Type: text/plain");
die($txt);
}
}
function adeng_basic_form() {
global $wpdb;
include dirname(__FILE__) .'/adeng_settings.php';
}
function adeng_update_settings() {
global $wpdb;
$css = $_POST['css'];
$display = (array)$_POST['display'];
$top = isset($_POST['top']) ? 1 : 0;
$bottom = isset($_POST['bottom']) ? 1 : 0;
$show = array();
foreach ($display as $key => $val) {
$show[] = $key;
}
// exlusion list
$excluded = array(
'categories' => array(),
'tags' => array(),
'users' => array()
);
if (isset($_POST['exclude']) && !empty($_POST['exclude'])) {
// categories
if (isset($_POST['exclude']['category']) && !empty($_POST['exclude']['category'])) {
$excluded['categories'] = $_POST['exclude']['category'];
}
if (isset($_POST['exclude']['tags']) && !empty($_POST['exclude']['tags'])) {
$excluded['tags'] = $_POST['exclude']['tags'];
}
if (isset($_POST['exclude']['users']) && !empty($_POST['exclude']['users'])) {
$excluded['users'] = $_POST['exclude']['users'];
}
}
update_option('adeng_exclude', $excluded);
update_option('adeng_inline_css', $css);
update_option('adeng_display', $show);
update_option('adeng_display_top', $top);
update_option('adeng_display_bottom', $bottom);
header("Location: admin.php?page=adeng-main&saved=1");
exit;
}
function adeng_verify_api() {
global $wp_rewrite;
$old = get_option('adeng_api_key');
$apiKey = $_POST['api_key'];
$affId = $_POST['affiliate_id'];
// verify the keys
$fp = @fsockopen(ADENG_CHECK_DOMAIN, 80, $errno, $errstr, 30);
$xml = '';
$resp = '';
if (!$fp) {
die(json_encode(array('ack' => 'ERR', 'msg' => $errstr)));
} else {
$out = "GET /?aid=$affId&apikey=$apiKey HTTP/1.1\r\n";
$out .= "Host: ". ADENG_CHECK_DOMAIN ."\r\n";
$out .= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
while (!feof($fp)) {
$resp .= fgets($fp, 128);
}
fclose($fp);
$parts = explode("\r\n\r\n", $resp);
$xml = $parts[1];
$parser = xml_parser_create();
xml_parse_into_struct($parser, $xml, $tags);
$valid = false;
foreach ((array)$tags as $tag) {
if ($tag['tag'] == 'RESULT' && $tag['value'] == 'true') {
$valid = true;
break;
}
}
}
if ($valid) {
update_option('adeng_api_key_verified', true);
update_option('adeng_api_key', $apiKey);
update_option('adeng_affiliate_id', $affId);
// flush rewrite rules
$wp_rewrite->flush_rules();
die(json_encode(array('ack' => 'OK')));
} else {
update_option('adeng_api_key_verified', false);
update_option('adeng_api_key', $apiKey);
update_option('adeng_affiliate_id', $affId);
die(json_encode(array('ack' => 'ERR', 'msg' => 'Invalid API Key/Affiliate ID')));
}
}
function adeng_print_css() {
$css = get_option('adeng_inline_css');
if (! $css || empty($css)) {
return;
}
echo "\n".''."\n";
}
function adeng_admin_scripts() {
wp_enqueue_script('jquery-ui', 'https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js');
wp_enqueue_style('jquery-colorpicker', plugins_url() .'/adknowledge-engage/colorpicker/css/colorpicker.css');
wp_enqueue_script('jquery-colorpicker', plugins_url() .'/adknowledge-engage/colorpicker/js/colorpicker.js');
?>
'Display related content') );
}
function widget($args, $instance) {
extract( $args );
echo $before_widget;
adk_engage();
echo $after_widget;
}
function update($new, $old) {
}
function form($instance) {
}
}
function adeng_register_widget() {
register_widget('AdEngWidget');
}
add_filter("plugin_action_links_". ADENG_PLUGIN_NAME, 'adeng_settings_link' );
add_filter("generate_rewrite_rules", "adeng_rewrite_rules");
add_filter("query_vars", "adeng_query_vars");
add_action('template_redirect', 'adeng_robots_page');
add_filter('the_content', 'adeng_display', -10000);
add_filter('the_excerpt', 'adeng_display', -10000);
add_action('wp_print_styles', 'adeng_print_css');
add_action('admin_enqueue_scripts', 'adeng_admin_scripts');
add_action('admin_menu', 'adeng_add_submenu_page');
add_action('admin_post_adeng_update_settings', 'adeng_update_settings');
add_action('admin_post_adeng_update_advanced', 'adeng_update_advanced');
add_action('wp_ajax_adeng_verify_api', 'adeng_verify_api');
add_action('widgets_init', 'adeng_register_widget');
register_activation_hook(__FILE__, 'adeng_activate');