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pay-with-a-like.php
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<?php
/*
Plugin Name: Pay With a Like
Description: Allows protecting posts/pages until visitor likes the page or parts of the page with Facebook, Linkedin, Twitter or Google +1.
Plugin URI: http://premium.wpmudev.org/project/pay-with-a-like
Version: 2.0.2-BETA-1
Author: WPMU DEV
Author URI: http://premium.wpmudev.org/
TextDomain: pwal
Domain Path: /languages
WDP ID: 7330
*/
/*
Copyright 2009-2014 Incsub (http://incsub.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License (Version 2 - GPLv2) as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//include_once( dirname(__FILE__) .'/pwal-uninstall.php');
if ( !class_exists( 'PayWithaLike' ) ) {
class PayWithaLike {
var $version = "2.0.2-BETA-1";
var $pwal_js_data = array();
var $_pagehooks = array();
var $_options_defaults = array();
var $options = array();
var $doing_set_cookie;
var $cookie_key = 'pay_with_a_like';
var $cookies = array();
var $facebook_sdk_ref;
var $facebook_user_profile;
var $_registered_scripts = array();
var $_registered_styles = array();
var $_fb_api_ep = 'https://graph.facebook.com/' ;
var $_fb_api_ver = 'v2.8' ;
var $_fb_api_acctoken;
var $sitewide_id;
/**
* Constructor
*/
function __construct() {
// Constants
$this->plugin_name = "pay-with-a-like";
$this->plugin_dir = WP_PLUGIN_DIR . '/' . $this->plugin_name;
$this->plugin_url = plugins_url( '/' . $this->plugin_name );
$this->page = 'settings_page_' . $this->plugin_name;
$this->doing_set_cookie = false;
$this->sitewide_id = defined('PWAL_SITEWIDE_ID') ? PWAL_SITEWIDE_ID : 'XXX123456789';
$this->facebook_sdk_ref = false;
$this->facebook_user_profile = false;
register_activation_hook( __FILE__, array( &$this, 'install' ) );
register_deactivation_hook( __FILE__, array( &$this, 'uninstall' ) );
// Support for WPMU DEV Dashboard plugin
global $wpmudev_notices;
$wpmudev_notices[] = array( 'id'=> 7330, 'name'=> 'Pay With a Like', 'screens' => array( 'toplevel_page_pay-with-a-like', 'pay-with-a-like_page_pay-with-a-like-buttons', 'pay-with-a-like_page_pay-with-a-like-statistics', 'pay-with-a-like_page_pay-with-a-like-customization' ) );
include_once( dirname(__FILE__) . '/lib/dash-notices/wpmudev-dash-notification.php' );
add_action( 'init', array(&$this, 'init'));
// Admin side actions
add_action( 'admin_notices', array($this, 'no_button') ); // Warn admin if no Social button is selected
add_action( 'admin_notices', array($this, 'notice_settings') ); // Notice admin to make some settings
add_filter( 'plugin_row_meta', array(&$this,'set_plugin_meta'), 10, 2 ); // Add settings link on plugin page
add_action( 'admin_menu', array( &$this, 'admin_menu' ) ); // Creates admin settings window
add_action( 'add_meta_boxes', array( &$this, 'add_custom_box' ) ); // Add meta box to posts
//add_action( 'wp_ajax_delete_stats', array( &$this, 'delete_stats' ) ); // Clear statistics
add_action( 'wp_ajax_pwal_export_stats', array( &$this, 'export_stats' ) ); // Export statistics
add_action( 'admin_print_scripts-'. $this->page , array(&$this,'admin_scripts'));
add_action( 'wp_head', array(&$this, 'wp_head') );
add_action( 'wp_enqueue_scripts', array(&$this, 'wp_enqueue_scripts') );
add_action( 'admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts') );
add_action( 'plugins_loaded', array(&$this, 'localization') ); // Localize the plugin
add_action( 'save_post', array( &$this, 'save_postmeta' ), 10, 2 ); // Calls post meta addition function on each save
add_filter( 'the_content', array( &$this, 'content' ), 8 ); // Manipulate the content.
add_filter( 'the_content', array($this, 'clear'), 130 ); // Clear if a shortcode is left
add_shortcode('pwal', array($this, 'pwal_shortcode'));
// add_action( 'wp_ajax_nopriv_pwal_action', array(&$this, 'set_cookie') );// Ajax request after a button is clicked
// add_action( 'wp_ajax_pwal_action', array(&$this, 'set_cookie') ); // Ajax request after a button is clicked
add_action( 'wp_ajax_nopriv_pwal_buttons_action', array(&$this, 'handle_buttons_action') );// Ajax request after a button is clicked
add_action( 'wp_ajax_pwal_buttons_action', array(&$this, 'handle_buttons_action') ); // Ajax request after a button is clicked
add_action( 'wp_footer', array(&$this, 'footer') );
// tinyMCE stuff
add_action( 'wp_ajax_pwalTinymceOptions', array(&$this, 'tinymce_options') );
add_action( 'admin_init', array(&$this, 'load_tinymce') );
add_action( 'wp_ajax__pwal_getstats', array(&$this,'ajax__pwal_getstats') );
// By default assume that pages are cachable (Cache plugins are allowed)
$this->buttons_added = false;
$this->footer_script = "";
}
function PayWithaLike() {
$this->__construct();
}
function init() {
$this->set_option_defaults();
// Read all options at once
$this->options = get_option( 'pwal_options', array() );
$this->options['salt'] = get_option( 'pay_with_a_like_salt' );
$this->pwal_js_data['debug'] = "false";
if (isset($_GET['PWAL_DEBUG']))
$this->pwal_js_data['debug'] = "true";
$this->options = wp_parse_args( $this->options, $this->_options_defaults );
if (($this->options['use_facebook'])
&& ($this->options['facebook_api_key']) && (!empty($this->options['facebook_api_key']))
&& ($this->options['facebook_api_secret']) && (!empty($this->options['facebook_api_secret']))) {
$this->options['facebook_api_use'] = 'true';
//$this->facebook_sdk_setup();
} else {
$this->options['facebook_api_use'] = 'false';
$this->options['facebook_auth_polling'] = 'no';
}
//unset($this->options['post_types']);
if (!isset($this->options['post_types'])) {
$this->options['post_types'] = array();
if ((isset($this->options['post_default'])) && ($this->options['post_default'] == 'enable')) {
$this->options['post_types']['post'] = 'enable';
}
if ((isset($this->options['page_default'])) && ($this->options['page_default'] == 'enable')) {
$this->options['post_types']['page'] = 'enable';
}
if ((isset($this->options['custom_default'])) && ($this->options['custom_default'] == 'enable')) {
//echo "in here<br />";
$post_types = get_post_types(array('public' => true), 'objects');
//echo "post_types<pre>"; print_r($post_types); echo "</pre>";
if (!empty($post_types)) {
foreach($post_types as $slug => $post_type) {
if (($slug == 'attachment') || ($slug == 'post') || ($slug == "page")) {
continue;
}
$this->options['post_types'][$slug] = 'enable';
}
}
}
}
if (!isset($this->options['show_metabox'])) {
$this->options['show_metabox'] = $this->options['post_types'];
}
$this->load_cookie_likes();
}
function set_option_defaults() {
if ( !$salt = get_option( "pay_with_a_like_salt" ) ) {
$salt = mt_rand();
add_option( "pay_with_a_like_salt", $salt ); // Save it to be used until it is cleared manually
}
$this->_options_defaults = array(
'post_default' => 'enable',
'page_default' => '',
'custom_default' => '',
'method' => 'automatic',
'excerpt' => 100,
'content_reload' => 'refresh',
'admin' => 'true',
'home' => '',
'multi' => 'true',
'authorized' => '',
'level' => 'editor',
'bot' => '',
'usermeta' => 'true',
'cookie' => 24,
'social_buttons' => array(
'facebook' => __('Facebook', 'pwal'),
'linkedin' => __('Linkedin', 'pwal'),
'twitter' => __('Twitter', 'pwal'),
'google' => __('Google+1', 'pwal')
),
'social_button_sort' => '', // empty will load based on social_button order
'use_facebook' => 'true',
'use_linkedin' => 'true',
'use_twitter' => 'true',
'use_google' => 'true',
'url_to_like' => '',
'salt' => $salt,
'sitewide' => '',
'description' => __('To see the full content, share this page by clicking one of the buttons below','pwal'),
'random' => '',
'no_visit' => '',
'load_facebook' => 'true',
'load_linkedin' => 'true',
'load_twitter' => 'true',
'load_google' => 'true',
'container_width' => '',
'container_height' => '',
'container_border_width' => '1',
'container_border_style' => 'solid',
'container_border_color' => '#E3E3E3',
'show_facebook_comment_popup' => 'false',
'facebook_api_key' => '',
'facebook_api_secret' => '',
'facebook_fan_pages' => array(),
'facebook_layout_style' => 'box_count',
'facebook_auth_polling' => 'yes',
'facebook_auth_polling_interval' => '1',
'linkedin_layout_style' => 'top',
'linkedin_button_lang' => '',
'twitter_layout_style' => 'vertical',
//'twitter_button_size' => 'medium',
'twitter_message' => '',
'twitter_button_lang' => '',
'google_layout_style' => 'tall-bubble',
'google_button_lang' => '',
//'facebook_color_scheme' => '',
'facebook_verb' => 'like',
'facebook_button_lang' => '',
'facebook_include_share' => '',
'facebook_include_faces' => ''
);
}
function wp_head() {
if (is_admin()) return;
if ( $this->options["use_linkedin"] && $this->options["load_linkedin"] ) {
$locale = $this->options["linkedin_button_lang"];
if (!empty($locale)) {
?><script src="//platform.linkedin.com/in.js" type="text/javascript">lang: <?php echo $locale ?></script><?php
}
}
}
/**
* Make it possible to save status of postboxes
*/
function admin_enqueue_scripts() {
wp_enqueue_script('jquery');
wp_enqueue_script('postbox');
}
/**
* Add Settings link to the plugin page
* @ http://wpengineer.com/1295/meta-links-for-wordpress-plugins/
*/
function set_plugin_meta($links, $file) {
// create link
$plugin = plugin_basename(__FILE__);
if ($file == $plugin) {
return array_merge(
$links,
array( sprintf( '<a href="options-general.php?page=%s">%s</a>', $this->plugin_name, __('Settings') ) )
);
}
return $links;
}
/**
* Load css and js
*/
function wp_enqueue_scripts() {
if (is_admin()) return;
wp_enqueue_script('jquery');
wp_enqueue_script( 'pay-with-a-like-js', plugins_url('/js/pay-with-a-like.js', __FILE__), array('jquery'), $this->version, true);
$this->_registered_scripts['pay-with-a-like-js'] = 'pay-with-a-like-js';
//echo "user_facebook[". $this->options["use_facebook"] ."] load_facebook[". $this->options["load_facebook"] ."]<br />";
if ( $this->options["use_facebook"] && $this->options["load_facebook"] ) {
$locale = $this->options["facebook_button_lang"];
if (empty($locale)) {
$locale = get_locale();
$locale = preg_replace('/-/', '_', $locale);
// Fix for de_DE_Sie type locale
if ( substr_count( $locale, '_' ) > 1 ) {
$l = explode( '_', $locale );
$locale = $l[0] . '_' . $l[1];
}
$locale = apply_filters( 'pwal_fb_locale', $locale );
}
// We don't enqueue the JS just yet. We pass the JS url to out script where it will be loaded dynamcially. If needed.
$this->pwal_js_data['facebook-all-js'] = '//connect.facebook.net/' . $locale . '/all.js';
}
// See also the wp_head function in thei class. The logic is such that when a button_lang is defined we need load
// the in.js via the wp_head call because within the <script></script> wrapper we need to pass in the language. We
// do this in wp_head ONLY if the button_lang value is not empty. If it is empty we instea us the code just below
// to properly enqueue the JS. damn linkedin!
if ( $this->options["use_linkedin"] && $this->options["load_linkedin"] ) {
if (empty($this->options["linkedin_button_lang"])) {
wp_enqueue_script( 'linkedin', '//platform.linkedin.com/in.js', array( 'jquery' ), '', true );
$this->_registered_scripts['linkedin'] = 'linkedin';
}
}
if ( $this->options["use_twitter"] && $this->options["load_twitter"] ) {
wp_enqueue_script( 'twitter', '//platform.twitter.com/widgets.js', array( 'jquery' ), '', true );
$this->_registered_scripts['twitter'] = 'twitter';
}
if ( $this->options["use_google"] && $this->options["load_google"] ) {
$this->pwal_js_data['google-plusone-js'] = '//apis.google.com/js/plusone.js';
$google_button_lang = $this->options["google_button_lang"];
if (!empty($google_button_lang)) {
$this->pwal_js_data['google_button_lang'] = $google_button_lang;
}
}
do_action("pwal_additional_button_scripts");
if ( current_theme_supports( 'pay_with_a_like_style' ) )
return;
$uploads = wp_upload_dir();
if ( !$uploads['error'] && file_exists( $uploads['basedir'] . "/". $this->plugin_name .".css" ) ) {
wp_enqueue_style( $this->plugin_name, $uploads['baseurl']. "/". $this->plugin_name .".css", array(), $this->version );
} else if ( file_exists( $this->plugin_dir. "/css/front.css" ) ) {
wp_enqueue_style( $this->plugin_name, $this->plugin_url. "/css/front.css", array(), $this->version );
}
if ( $this->buttons_added == true ) {
if (!empty($this->_registered_scripts)) {
foreach($this->_registered_scripts as $_handle) {
wp_dequeue_script($_handle);
wp_deregister_script($_handle);
}
}
}
}
/**
* Localize the plugin
*/
function localization() {
// Load up the localization file if we're using WordPress in a different language
// Place it in this plugin's "languages" folder and name it "pwal-[value in wp-config].mo"
//load_plugin_textdomain( 'pwal', false, '/pay-with-a-like/languages/' );
load_plugin_textdomain('pwal', false, dirname(plugin_basename(__FILE__)).'/languages/');
}
function get_user_role_highest_level($user_role_capabilities = array()) {
$user_role_hightest_level = 0;
foreach($user_role_capabilities as $capability => $is_set) {
if (strncasecmp($capability, 'level_', strlen('level_')) == 0) {
$capability_int = intval(str_replace('level_', '', $capability));
if ($capability_int > $user_role_hightest_level)
$user_role_hightest_level = $capability_int;
}
}
return $user_role_hightest_level;
}
function pwal_shortcode($atts, $content = null) {
$default_atts = array(
'id' => '',
'post_id' => '',
'post_url' => '',
'wpautop' => 'yes',
'content_reload' => '',
'container_width' => '',
'description' => ''
);
$atts = shortcode_atts( $default_atts, $atts );
$atts['method'] = 'tool';
$atts['content_id'] = $atts['id'];
unset($atts['id']);
// IF there is no hidden content. Then no point continuing.
if ((!$content) || (empty($content))) return '';
// We need to see if we are here from a post_content shortcode or some template calling do_shortcode
//$post_id = 0;
if ((empty($atts['post_id'])) && (in_the_loop())) {
// We basically attempt to verify the post_id being being process is the correct one by parsing the shortcode from the post content if found.
global $post;
if ((isset($post->post_content))
&& (!empty($post->post_content))
&& (has_shortcode( $post->post_content, 'pwal' ))) {
$pattern = get_shortcode_regex();
preg_match_all( '/'. $pattern .'/s', $post->post_content, $matches, PREG_SET_ORDER );
if (!empty($matches)) {
//echo "matches<pre>"; print_r($matches); echo "</pre>";
foreach($matches as $match_set) {
if ($match_set[2] = 'pwal') {
$shortcode_atts = shortcode_parse_atts( $match_set[3] );
//echo "shortcode_atts<pre>"; print_r($shortcode_atts); echo "</pre>";
if ((is_array($shortcode_atts)) && (isset($shortcode_atts['id']))
&& ($shortcode_atts['id'] == $atts['content_id'])) {
$atts['post_id'] = $post->ID;
break;
}
}
}
}
}
}
if (!empty($atts['post_id'])) {
if ((!isset($atts['description'])) || (empty($atts['description']))) {
$description = get_post_meta( $atts['post_id'], 'pwal_description', true );
if (!empty($description)) {
$atts['description'] = $description;
}
}
if ((!isset($atts['content_reload'])) || (empty($atts['content_reload']))) {
$content_reload = get_post_meta( $post->ID, 'pwal_content_reload', true );
if (!empty($content_reload)) {
$atts['content_reload'] = $content_reload;
}
}
if ((!isset($atts['container_width'])) || (empty($atts['container_width']))) {
$container_width = get_post_meta( $post->ID, 'pwal_container_width', true );
if (!empty($container_width)) {
$atts['container_width'] = $container_width;
}
}
}
if ((!isset($atts['description'])) || (empty($atts['description']))) {
$atts['description'] = $this->options['description'];
}
if ((!isset($atts['content_reload'])) || (empty($atts['content_reload']))) {
$atts['content_reload'] = $this->options['content_reload'];
}
if ((!isset($atts['container_width'])) || (empty($atts['container_width']))) {
$atts['container_width'] = $this->options['container_width'];
}
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": atts<pre>". print_r($atts, true) ."</pre>";
}
}
$display_buttons = $this->can_display_buttons($atts);
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
if ($display_buttons === true) {
echo "PWAL_DEBUG: ". __FUNCTION__ .": can_display_buttons returned: TRUE<br />";
} else {
echo "PWAL_DEBUG: ". __FUNCTION__ .": can_display_buttons returned: FALSE<br />";
}
}
}
$display_buttons_filtered = apply_filters('pwal_display_buttons', $display_buttons, $atts['post_id'], $atts['content_id']);
if ($display_buttons_filtered != $display_buttons) {
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
if ($display_buttons === true) {
echo "PWAL_DEBUG: ". __FUNCTION__ .": pwal_display_buttons filter returned: TRUE<br />";
} else {
echo "PWAL_DEBUG: ". __FUNCTION__ .": pwal_display_buttons filter returned: FALSE<br />";
}
}
}
}
if (!$display_buttons) {
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": display_buttons is FALSE: returning hidden content.<br />";
}
}
return $this->the_content_filter($content, $atts['wpautop']);
}
delete_transient('pwal_'.$atts['content_id']);
set_transient( 'pwal_'.$atts['content_id'], $content, 1 * HOUR_IN_SECONDS );
$pwal_content = '<div id="pwal_content_wrapper_'. $atts['content_id'] .'" class="pwal_content_wrapper">'. $this->render_buttons( $atts ) .'</div>';
return $pwal_content;
}
function the_content_filter($content, $wpautop = 'yes') {
$content = stripslashes($content);
if ((has_filter('the_content', 'wpautop')) && ($wpautop == 'no')) {
$wpautop_org_state = true;
remove_filter( 'the_content', 'wpautop' );
} else if ((!has_filter('the_content', 'wpautop')) && ($wpautop == 'yes')) {
$wpautop_org_state = false;
add_filter( 'the_content', 'wpautop' );
}
$content = apply_filters( 'the_content', $content );
$content = str_replace( ']]>', ']]>', $content );
if ($wpautop_org_state == true) {
add_filter( 'the_content', 'wpautop' );
} else if ($wpautop_org_state == false) {
remove_filter( 'the_content', 'wpautop' );
}
return $content;
}
function can_display_buttons($atts) {
global $post;
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": atts<pre>". print_r($atts, true) ."</pre>";
}
// Show the bot full content, if selected so
if ($this->options["bot"] == 'true') {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(bot): true<br />";
if ($this->is_bot()) {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_bot: true<br />";
return false;
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_bot: false<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(bot): false<br />";
}
if ( $this->options["sitewide"] ) {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(sitewide): enabled<br />";
$post_id = $this->sitewide_id;
// Check if this post is liked or sitewide like is selected
foreach ( $this->cookie_likes['data'] as $like ) {
// Cookie is already encrypted, so we are looking if post_id matches to the encryption
if ( $like["post_id"] == md5( $post_id . $this->options["salt"] ) ) {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": sitewide cookie exists<br />";
return false;
}
}
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": sitewide cookie not found<br />";
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(sitewide): disabled<br />";
}
if (!empty($this->cookie_likes['data'])) {
foreach ( $this->cookie_likes['data'] as $like ) {
if (!empty($atts['post_id'])) {
if ( $like["post_id"] == md5( $atts['post_id'] . $this->options["salt"] ) ) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": found like cookie for post_id[". $atts['post_id'] ."]<br />";
}
return false;
}
} else {
if ( $like["content_id"] == $atts['content_id'] ) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": found like cookie for content_id[". $atts['content_id'] ."]<br />";
}
return false;
}
}
}
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": previous cookie likes not found<br />";
}
if (is_user_logged_in()) {
global $current_user;
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": current user logged into WP: true<br />";
if ($this->options["usermeta"] == 'true') {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(usermeta): true<br />";
$usermeta_likes = get_user_meta($current_user->ID, 'pwal_likes', true);
if (!empty($usermeta_likes)) {
$usermeta_likes = maybe_unserialize($usermeta_likes);
if (isset($usermeta_likes[$atts['content_id']])) {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": previous usermeta like found<br />";
return false;
}
}
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": previous usermeta like not found<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(usermeta): false<br />";
}
}
// Show the admin full content, if selected so
//echo "admin[". $this->options["admin"] ."]<br />";
if ( $this->options["admin"] == 'true') {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(admin): true<br />";
if ((current_user_can('administrator')) || (is_super_admin())) {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": current user is admin/super admin<br />";
return false;
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": current user is not admin/super admin<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(admin): false<br />";
}
//echo "authorized[". $this->options['authorized'] ."]<br />";
if ( $this->options["authorized"] == 'true') {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(authorized): true<br />";
//echo "current_user<pre>"; print_r($current_user); echo "</pre>";
$current_user_role_level = $this->get_user_role_highest_level($current_user->allcaps);
if (!$current_user_role_level) {
$current_user_role_level = 0;
}
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": current_user_role_level[". $current_user_role_level ."]<br />";
//echo "level[". $this->options['level'] ."]<br />";
$log_user_role_level = intval(str_replace('level_', '', $this->options['level']));
if (!$log_user_role_level) {
$log_user_role_level = 0;
}
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": log_user_role_level[". $log_user_role_level ."]<br />";
// If the current user level is less than our limit return the empty content.
if ($log_user_role_level <= $current_user_role_level ) {
return false;
}
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(authorized): false<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true')
echo "PWAL_DEBUG: ". __FUNCTION__ .": current user logged into WP: false<br />";
}
if ((is_object( $post )) && (isset($post->ID)) && ($post->ID > 0) && ($post->ID == $atts['post_id'])) {
if ( is_singular($this->options['post_types'])) {
$post_info = array(
'post' => false,
'post_type' => false
);
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": post->ID: [". $post->ID ."] post->post_type: [". $post->post_type ."]<br />";
}
if (get_post_meta( $post->ID, 'pwal_enable', true ) == 'enable') {
$post_info['post'] = true;
}
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": options[post_types]:<pre>[". print_r($this->options['post_types'], true) ."]</pre>";
}
if (isset($this->options['post_types'][$post->post_type])) {
$post_info['post_type'] = true;
}
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_singular<br />";
}
if ($post_info['post_type'] != true) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": post type [". $post->post_type ."] not enabled<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": post type [". $post->post_type ."] is enabled<br />";
}
}
if ($post_info['post'] != true) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": post not enabled<br />";
}
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": post is enabled<br />";
}
}
if ($this->pwal_js_data['debug'] == 'true') {
echo "post_info<pre>"; print_r($post_info); echo "</pre>";
}
if (($post_info['post'] != true) && ($post_info['post_type'] != true))
return false;
} else if (is_front_page()) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_front_page: true<br />";
}
if ($this->options["home"] != 'true') {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(home) not true<br />";
}
return false;
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(home) is true<br />";
}
}
} else if ( is_archive() ) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_archive<br />";
}
if ($this->options["multi"] != 'true') {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(multi): not true<br />";
}
return false;
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": option(multi): true<br />";
}
}
}
} else {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": not a valid post->ID<br />";
}
}
//die();
return true;
}
/**
* Changes the content according to selected settings
*
*/
function content( $content, $force=false ) {
if (is_admin()) return $content;
global $post;
// Find method
$method = get_post_meta( $post->ID, 'pwal_method', true );
// IF the post doesn't have a method defined use the global
if ( empty($method) ) {
$method = $this->options["method"];
}
if ($method == 'tool') {
// If this post is using the select tool (shortcode) the we let it pass and catch the processing there
if ( has_shortcode( $content, 'pwal' ) !== false) {
return $content;
}
}
// But check the post type to make sure it supports an excerpt.
if ($method == "manual") {
// If not set the method to auto.
if (!post_type_supports($post->post_type, 'excerpt')) {
$method = 'automatic';
} else if ( empty($post->post_excerpt) ) {
$method = 'automatic';
}
}
// Unsupported post type
if ( (!is_object( $post )) && (!$content) )
return $content;
$description = get_post_meta( $post->ID, 'pwal_description', true );
if (empty($description))
$description = $this->options['description'];
$content_reload = get_post_meta( $post->ID, 'pwal_content_reload', true );
if (empty($content_reload))
$content_reload = $this->options['content_reload'];
$container_width = get_post_meta( $post->ID, 'pwal_container_width', true );
if (empty($container_width))
$container_width = $this->options['container_width'];
$buttons_atts = array(
'content_id' => $post->ID,
'post_id' => $post->ID,
'container_width' => $container_width,
'description' => $description,
'content_reload' => $content_reload
);
// $display_buttons = $this->can_display_buttons($buttons_atts);
// $display_buttons = apply_filters('pwal_display_buttons', $display_buttons, $post->ID, $post->ID);
// if (!$display_buttons)
// return $content;
$display_buttons = $this->can_display_buttons($buttons_atts);
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
if ($display_buttons === true) {
echo "PWAL_DEBUG: ". __FUNCTION__ .": can_display_buttons returned: TRUE<br />";
} else {
echo "PWAL_DEBUG: ". __FUNCTION__ .": can_display_buttons returned: FALSE<br />";
}
}
}
$display_buttons_filtered = apply_filters('pwal_display_buttons', $display_buttons, $post->ID, $post->ID);
if ($display_buttons_filtered != $display_buttons) {
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
if ($display_buttons === true) {
echo "PWAL_DEBUG: ". __FUNCTION__ .": pwal_display_buttons filter returned: TRUE<br />";
} else {
echo "PWAL_DEBUG: ". __FUNCTION__ .": pwal_display_buttons filter returned: FALSE<br />";
}
}
}
}
// echo "after can_display_buttons<br />";
// die();
if ($display_buttons == false) {
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": display_buttons is FALSE: returning hidden content.<br />";
}
}
return $this->clear($content);
}
$pwal_enable = $this->is_content_enabled( $post->ID );
if ($pwal_enable != 'enable') {
if (!defined( 'DOING_AJAX' ) || !DOING_AJAX) {
if ($this->pwal_js_data['debug'] == 'true') {
if ($pwal_enable === true) {
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_content_enabled returned: TRUE<br />";
} else {
echo "PWAL_DEBUG: ". __FUNCTION__ .": is_content_enabled returned: FALSE<br />";
}
}
}
return $this->clear($content);
}
//if ( $this->facebook_check_like_post($post->ID) ) {
// return $this->clear($content);
// break;
//}
//if ( $this->facebook_check_like_fan_pages() ) {
// return $this->clear($content);
// break;
//}
// If we are here, it means content will be restricted.
// Now prepare the restricted output
if ( $method == "automatic" ) {
$buttons_atts['method'] = 'automatic';
$content = preg_replace( '%\[pwal(.*?)\](.*?)\[( *)\/pwal( *)\]%is', '$2', $content ); // Clean shortcode
$temp_arr = explode( " ", $content );
// If the article is shorter than excerpt, show full content
// Zero value is also valid
$excerpt_len = get_post_meta( $post->ID, 'pwal_excerpt', true );
if ( empty($excerpt_len) ) {
$excerpt_len = $this->options["excerpt"];
}
if ( count( $temp_arr ) <= $excerpt_len ) {
if ($this->pwal_js_data['debug'] == 'true') {
echo "PWAL_DEBUG: ". __FUNCTION__ .": content length [". count( $temp_arr ) ."] less then excerpt length [". $excerpt_len ."]<br />";
}
if ($this->doing_set_cookie !== true) {
return $this->clear($content);
} else {
return '';
}
}
// Otherwise prepare excerpt
$e = "";
$e_arr = array_slice($temp_arr, 0, intval($excerpt_len)-1);
if ($e_arr) {
$e = join(' ', $e_arr);
}
// If a tag is broken, try to complete it within reasonable limits, i.e. 50 words
if ( substr_count( $e, '<') != substr_count( $e, '>' ) ) {
// Save existing excerpt
$e_saved = $e;
$found = false;
for ( $n=$excerpt_len; $n<$excerpt_len+50; $n++ ) {
if ( isset( $temp_arr[$n] ) ) {
$e .= $temp_arr[$n] . " ";
if ( substr_count( $e, '<') == substr_count( $e, '>' ) ) {
$found = true;
break;
}
}
}
// Revert back to original excerpt if a fix is not found
if ( !$found )
$e = $e_saved;
}
if ($this->doing_set_cookie !== true) {
return '<div id="pwal_content_wrapper_'. $post->ID .'" class="pwal_content_wrapper">'. $e . $this->render_buttons( $buttons_atts ) .'</div>';
} else {
return $this->clear($content);
}
} else if ( $method == "manual" ) {