/**
* check protection
*
* @param string $content
* @param string $type
* @return string $content
*/
function mgm_content_protection_check($content, $type = 'excerpt')
{
global $wpdb, $post;
// system
$system_obj = mgm_get_class('system');
// by pass content protection for excerpt if setting is off
// get user
$user = wp_get_current_user();
// to disable showing multiple private messages on home page listing(issue#: 384), disabled due to #429
// $show_message = true; // (is_home() && $type == 'content') ? false : true;
// filter first
$content = mgm_replace_message_tags($content);
// filter payment messages
$content = mgm_replace_payment_message_tags($content);
// no check for admin or if user has access or user logged in
if (is_super_admin() || mgm_user_has_access()) {
return $content;
}
//comments protection check
if ($system_obj->setting['enable_comments_protection'] == 'Y') {
//hook
add_filter('comments_template', 'mgm_hide_comments');
}
//to honour MORE(<!--more-tag-->) tag: issue#: 671
//case: home page listing,category listing,archives
if ($type == 'excerpt' || !is_single() && $type == 'content' && (is_archive() || is_home() || is_search())) {
//check the content has more tag: eg: The link: http://magicmediagroup.com/ppp/#more-540
if (preg_match("/\\/#more-" . $post->ID . "/", $content) || preg_match("/<!--more-->/", $content)) {
return $content;
}
// if excerpt display and enable_excerpt_protection is disbled , bypass protection:issue#: 887
if (!bool_from_yn($system_obj->get_setting('enable_excerpt_protection'))) {
return $content;
}
}
// for full / or part protection, honor manual private tag setting via post interface or , mgm settings
// protection level
$protection_level = $system_obj->setting['content_protection'];
// no check for post/page set as no access redirect, custom register/login urls
if ($post->ID) {
// get permalink
$permalink = get_permalink($post->ID);
// no_access_urls
$no_access_urls = array('no_access_redirect_loggedin_users', 'no_access_redirect_loggedout_users');
// init
$return = false;
// loop
foreach ($no_access_urls as $no_access_url) {
// get setting
$no_access_url_is = $system_obj->setting[$no_access_url];
// match
if (!empty($no_access_url_is) && $permalink == trailingslashit($no_access_url_is)) {
// set flag
$return = true;
break;
}
}
// return
if ($return) {
return $content;
}
// check urls
$custom_pages_url = $system_obj->get_custom_pages_url();
// check
foreach ($custom_pages_url as $key => $page_url) {
// match
if (!empty($page_url) && $permalink == trailingslashit($page_url)) {
// set flag
$return = true;
break;
}
}
// return
if ($return) {
return $content;
}
// get post object
$post_obj = mgm_get_post($post->ID);
}
// post_is_purchasable
$post_is_purchasable = mgm_post_is_purchasable();
// is post_is_purchasable and expired
if ($post_is_purchasable && $user->ID && mgm_is_user_purchased_post_expired($post->ID, $user->ID)) {
$protected_message = __('Purchased Post expired, Please re-purchase to access the post', 'mgm');
} else {
// message code
if ($user->ID) {
// logged in user
$message_code = $post_is_purchasable ? 'private_text_purchasable' : 'private_text_no_access';
} else {
// logged out/guest user
$message_code = $post_is_purchasable ? 'private_text_purchasable_login' : 'private_text';
}
// protected_message
$protected_message = sprintf('<div class="mgm_private_no_access">%s</div>', mgm_private_text_tags(mgm_stripslashes_deep($system_obj->get_template($message_code, array(), true))));
// filter message
$protected_message = mgm_replace_message_tags($protected_message);
}
// return $content;
// check
switch ($protection_level) {
case 'full':
// full protection
// check redirect condition
// Skip content protection if manually protected:(To honour private tags)
// Double check as the next line was removed before
if (!mgm_is_manually_protected($content)) {
// had redirect
if (!mgm_check_redirect_condition($system_obj)) {
$content = $protected_message;
} else {
// default
$content = mgm_no_access_redirect($system_obj);
}
}
break;
case 'partly':
// partly protection
// Skip content protection if manually protected:(To honour private tags)
// Double check as the next line was removed before
if (!mgm_is_manually_protected($content)) {
// check if custom page is loaded
$custompage_loaded = mgm_is_custompage_loaded();
// how many words to allow
$allowed_word_limit = (int) $system_obj->get_setting('public_content_words');
$allow_html = bool_from_yn($system_obj->get_setting('content_protection_allow_html'));
// apply if only more than 0
if (!$custompage_loaded && $allowed_word_limit > 0) {
// #125 iss / issue#: 510
// check redirect condition
if (!mgm_check_redirect_condition($system_obj)) {
// redirect if set
// on type
switch ($type) {
case 'excerpt':
//issue #1059
$content_post = get_post($post->ID);
$my_content = $content_post->post_content;
if (preg_match("/<!--nextpage-->/", $my_content)) {
$content = str_replace('<!--nextpage-->', '', $my_content);
}
// already parsed by shortcode
if (preg_match('#<div class="mgm_private_no_access">(.*?)<\\/div\\>#s', $content, $match)) {
// get message only
$prev_message = $match[0];
// remove message
$content = preg_replace('#<div class="mgm_private_no_access">(.*?)<\\/div\\>#s', '', $content);
// get words
$content = mgm_words_from_content($content, $allowed_word_limit, $allow_html);
// append
if ($allowed_word_limit < 50) {
$content .= $prev_message;
}
} else {
// not processed
// get words
$content = mgm_words_from_content($content, $allowed_word_limit, $allow_html);
// append
if ($allowed_word_limit < 50) {
$content .= $protected_message;
}
}
break;
case 'content':
//issue #1059
$content_post = get_post($post->ID);
$my_content = $content_post->post_content;
if (preg_match("/<!--nextpage-->/", $my_content)) {
$content = str_replace('<!--nextpage-->', '', $my_content);
}
// already parsed by shortcode
// issue #: 450
if (preg_match('#<div class="mgm_private_no_access">(.*?)<\\/div\\>#s', $content, $match)) {
// get message only
$prev_message = $match[0];
// remove message
$content = preg_replace('#<div class="mgm_private_no_access">(.*?)<\\/div\\>#s', '', $content);
// get words
$content = mgm_words_from_content($content, $allowed_word_limit, $allow_html);
// add message
$content .= $prev_message;
} else {
// get words
$content = mgm_words_from_content($content, $allowed_word_limit, $allow_html) . $protected_message;
}
break;
}
} else {
// default
$content = mgm_no_access_redirect($system_obj);
}
}
}
break;
case 'none':
// no protection, trim all private tags, honor [private] tags
// just check purchasable, other wise trim
if (!$post_is_purchasable) {
// remove tags
$content = str_replace(array('[private]', '[/private]', '[private_or]', '[/private_or]', '[private_and]', '[/private_and]'), '', $content);
}
break;
default:
// disable protection
$content = str_replace(array('[private]', '[/private]', '[private_or]', '[/private_or]', '[private_and]', '[/private_and]'), '', $content);
break;
}
// issue#: 450
if ($post_is_purchasable && !mgm_is_buynow_form_included($content)) {
//issue #1397
if (mgm_is_manually_protected($content) ? false : true) {
$return = mgm_parse_post_template($post->ID);
} else {
//issue #1537
if (is_super_admin() || $user->ID) {
$return = mgm_get_post_purchase_button($post->ID, mgm_is_manually_protected($content) ? false : true);
}
}
// get button
// replace message tags if any
$return = mgm_replace_message_tags($return);
// wrap with css class
$content .= sprintf('<div class="mgm_private_no_access">%s</div>', $return);
}
// return
return $content;
}
/**
* check post protected
*
* @param int $post_id
* @return bool
*/
function mgm_post_is_protected($post_id = false, $post_obj = NULL)
{
// default
$return = false;
// get post id
if (!$post_id) {
$post_id = get_the_ID();
}
// mgm post setting object
if (!$post_obj) {
$post_obj = mgm_get_post($post_id);
}
// wp post object
$post =& get_post($post_id);
// access
$access_types = $post_obj->get_access_membership_types();
// count
$access_types_count = count($access_types);
// content
$content = $post->post_content;
// has tag
$has_tag = mgm_is_manually_protected($content);
// content protection settings
$cp_setting = mgm_get_class('system')->get_setting('content_protection');
// protection
$has_cp = (bool) in_array($cp_setting, array('full', 'partly'));
// purchasable
if ($access_types_count > 0 && ($has_tag || $has_cp)) {
// return
$return = true;
}
// return
return $return;
}