Current File : /var/www/html/itworks/wp-content/plugins/paid-memberships-pro/includes/content.php
<?php
/*
Functions to detect member content and protect it.
*/
function pmpro_has_membership_access($post_id = NULL, $user_id = NULL, $return_membership_levels = false)
{
global $post, $wpdb, $current_user;
//get queried object in case we check against that
if(!is_admin())
$queried_object = get_queried_object();
else
$queried_object = NULL;
//use post global or queried object if no $post_id was passed in
if(!$post_id && !empty($post) && !empty($post->ID))
$post_id = $post->ID;
elseif(!$post_id && !empty($queried_object) && !empty($queried_object->ID))
$post_id = $queried_object->ID;
//no post, return true (changed from false in version 1.7.2)
if(!$post_id)
return true;
//use current user if no value is supplied
if(!$user_id)
$user_id = $current_user->ID;
//if no post or current_user object, set them up
if(isset($queried_object->ID) && !empty($queried_object->ID) && $post_id == $queried_object->ID)
$mypost = $queried_object;
elseif(isset($post->ID) && !empty($post->ID) && $post_id == $post->ID)
$mypost = $post;
else
$mypost = get_post($post_id);
if($user_id == $current_user->ID)
$myuser = $current_user;
else
$myuser = get_userdata($user_id);
//for these post types, we want to check the parent
if(isset($mypost->post_type) && in_array( $mypost->post_type, array("attachment", "revision")))
{
$mypost = get_post($mypost->post_parent);
}
// Allow plugins and themes to find the protected post
$mypost = apply_filters( 'pmpro_membership_access_post', $mypost, $myuser );
if(isset($mypost->post_type) && $mypost->post_type == "post")
{
$post_categories = wp_get_post_categories($mypost->ID);
if(!$post_categories)
{
//just check for entries in the memberships_pages table
$sqlQuery = "SELECT m.id, m.name FROM $wpdb->pmpro_memberships_pages mp LEFT JOIN $wpdb->pmpro_membership_levels m ON mp.membership_id = m.id WHERE mp.page_id = '" . $mypost->ID . "'";
}
else
{
//are any of the post categories associated with membership levels? also check the memberships_pages table
$sqlQuery = "(SELECT m.id, m.name FROM $wpdb->pmpro_memberships_categories mc LEFT JOIN $wpdb->pmpro_membership_levels m ON mc.membership_id = m.id WHERE mc.category_id IN(" . implode(",", $post_categories) . ") AND m.id IS NOT NULL) UNION (SELECT m.id, m.name FROM $wpdb->pmpro_memberships_pages mp LEFT JOIN $wpdb->pmpro_membership_levels m ON mp.membership_id = m.id WHERE mp.page_id = '" . $mypost->ID . "')";
}
}
else
{
//are any membership levels associated with this page?
$sqlQuery = "SELECT m.id, m.name FROM $wpdb->pmpro_memberships_pages mp LEFT JOIN $wpdb->pmpro_membership_levels m ON mp.membership_id = m.id WHERE mp.page_id = '" . $mypost->ID . "'";
}
$post_membership_levels = $wpdb->get_results($sqlQuery);
$post_membership_levels_ids = array();
$post_membership_levels_names = array();
if(!$post_membership_levels)
{
$hasaccess = true;
}
else
{
//we need to see if the user has access
foreach($post_membership_levels as $level)
{
$post_membership_levels_ids[] = $level->id;
$post_membership_levels_names[] = $level->name;
}
//levels found. check if this is in a feed or if the current user is in at least one of those membership levels
if(is_feed())
{
//always block restricted feeds
$hasaccess = false;
}
elseif(!empty($myuser->ID))
{
$myuser->membership_level = pmpro_getMembershipLevelForUser($myuser->ID); // kept in for legacy filter users below.
$myuser->membership_levels = pmpro_getMembershipLevelsForUser($myuser->ID);
$mylevelids = array();
foreach($myuser->membership_levels as $curlevel) {
$mylevelids[] = $curlevel->id;
}
if(count($myuser->membership_levels)>0 && count(array_intersect($mylevelids, $post_membership_levels_ids))>0)
{
//the users membership id is one that will grant access
$hasaccess = true;
}
else
{
//user isn't a member of a level with access
$hasaccess = false;
}
}
else
{
//user is not logged in and this content requires membership
$hasaccess = false;
}
}
/*
Filters
The generic filter is run first. Then if there is a filter for this post type, that is run.
*/
//general filter for all posts
$hasaccess = apply_filters("pmpro_has_membership_access_filter", $hasaccess, $mypost, $myuser, $post_membership_levels);
//filter for this post type
if( isset($mypost->post_type) && has_filter("pmpro_has_membership_access_filter_" . $mypost->post_type))
$hasaccess = apply_filters("pmpro_has_membership_access_filter_" . $mypost->post_type, $hasaccess, $mypost, $myuser, $post_membership_levels);
//return
if($return_membership_levels)
return array($hasaccess, $post_membership_levels_ids, $post_membership_levels_names);
else
return $hasaccess;
}
function pmpro_search_filter($query)
{
global $current_user, $wpdb, $pmpro_pages;
//hide pmpro pages from search results
if(!$query->is_admin && $query->is_search && empty($query->query['post_parent']))
{
if(empty($query->query_vars['post_parent'])) //avoiding post_parent queries for now
$query->set('post__not_in', $pmpro_pages );
$query->set('post__not_in', $pmpro_pages ); // id of page or post
}
//hide member pages from non-members (make sure they aren't hidden from members)
if(!$query->is_admin &&
!$query->is_singular &&
empty($query->query['post_parent']) &&
(
empty($query->query_vars['post_type']) ||
in_array($query->query_vars['post_type'], apply_filters('pmpro_search_filter_post_types', array("page", "post")))
) && (
( ! defined('REST_REQUEST') || ( defined( 'REST_REQUEST' ) && false === REST_REQUEST ) )
)
)
{
//get page ids that are in my levels
if(!empty($current_user->ID))
$levels = pmpro_getMembershipLevelsForUser($current_user->ID);
else
$levels = false;
$my_pages = array();
$member_pages = array();
if($levels) {
foreach($levels as $key => $level) {
//get restricted posts for level
// make sure the object contains membership info.
if (isset($level->ID)) {
$sql = $wpdb->prepare("
SELECT page_id
FROM {$wpdb->pmpro_memberships_pages}
WHERE membership_id = %d",
$level->ID
);
$member_pages = $wpdb->get_col($sql);
$my_pages = array_unique(array_merge($my_pages, $member_pages));
}
} // foreach
} // if($levels)
//get hidden page ids
if(!empty($my_pages))
$sql = "SELECT page_id FROM $wpdb->pmpro_memberships_pages WHERE page_id NOT IN(" . implode(',', $my_pages) . ")";
else
$sql = "SELECT page_id FROM $wpdb->pmpro_memberships_pages";
$hidden_page_ids = array_values(array_unique($wpdb->get_col($sql)));
if($hidden_page_ids)
{
if(empty($query->query_vars['post_parent'])) //avoiding post_parent queries for now
$query->set('post__not_in', $hidden_page_ids);
}
//get categories that are filtered by level, but not my level
global $pmpro_my_cats;
$pmpro_my_cats = array();
if($levels) {
foreach($levels as $key => $level) {
$member_cats = pmpro_getMembershipCategories($level->id);
$pmpro_my_cats = array_unique(array_merge($pmpro_my_cats, $member_cats));
}
}
//get hidden cats
if(!empty($pmpro_my_cats))
$sql = "SELECT category_id FROM $wpdb->pmpro_memberships_categories WHERE category_id NOT IN(" . implode(',', $pmpro_my_cats) . ")";
else
$sql = "SELECT category_id FROM $wpdb->pmpro_memberships_categories";
$hidden_cat_ids = array_values(array_unique($wpdb->get_col($sql)));
//make this work
if($hidden_cat_ids)
{
$query->set('category__not_in', $hidden_cat_ids);
//filter so posts in this member's categories are allowed
add_action('posts_where', 'pmpro_posts_where_unhide_cats');
}
}
return $query;
}
$filterqueries = pmpro_getOption("filterqueries");
if(!empty($filterqueries))
add_filter( 'pre_get_posts', 'pmpro_search_filter' );
/*
* Find taxonomy filters and make sure member categories are not hidden from members.
* @since 1.7.15
*/
function pmpro_posts_where_unhide_cats($where)
{
global $pmpro_my_cats, $wpdb;
//if we have member cats, make sure they are allowed in taxonomy queries
if(!empty($where) && !empty($pmpro_my_cats))
{
$pattern = "/$wpdb->posts.ID NOT IN \(\s*SELECT object_id\s*FROM dev_term_relationships\s*WHERE term_taxonomy_id IN \((.*)\)\s*\)/";
$replacement = $wpdb->posts . '.ID NOT IN (
SELECT tr1.object_id
FROM ' . $wpdb->term_relationships . ' tr1
LEFT JOIN ' . $wpdb->term_relationships . ' tr2 ON tr1.object_id = tr2.object_id AND tr2.term_taxonomy_id IN(' . implode($pmpro_my_cats) . ')
WHERE tr1.term_taxonomy_id IN(${1}) AND tr2.term_taxonomy_id IS NULL ) ';
$where = preg_replace($pattern, $replacement, $where);
}
//remove filter for next query
remove_action('posts_where', 'pmpro_posts_where_unhide_cats');
return $where;
}
function pmpro_membership_content_filter($content, $skipcheck = false)
{
global $post, $current_user;
if(!$skipcheck)
{
$hasaccess = pmpro_has_membership_access(NULL, NULL, true);
if(is_array($hasaccess))
{
//returned an array to give us the membership level values
$post_membership_levels_ids = $hasaccess[1];
$post_membership_levels_names = $hasaccess[2];
$hasaccess = $hasaccess[0];
}
}
if($hasaccess)
{
//all good, return content
return $content;
}
else
{
//if show excerpts is set, return just the excerpt
if(pmpro_getOption("showexcerpts"))
{
//show excerpt
global $post;
if($post->post_excerpt)
{
//defined exerpt
$content = wpautop($post->post_excerpt);
}
elseif(strpos($content, "<span id=\"more-" . $post->ID . "\"></span>") !== false)
{
//more tag
$pos = strpos($content, "<span id=\"more-" . $post->ID . "\"></span>");
$content = wpautop(substr($content, 0, $pos));
}
elseif(strpos($content, 'class="more-link">') !== false)
{
//more link
$content = preg_replace("/\<a.*class\=\"more\-link\".*\>.*\<\/a\>/", "", $content);
}
else
{
//auto generated excerpt. pulled from wp_trim_excerpt
$content = strip_shortcodes( $content );
$content = str_replace(']]>', ']]>', $content);
$content = strip_tags($content);
$excerpt_length = apply_filters('excerpt_length', 55);
$words = preg_split("/[\n\r\t ]+/", $content, $excerpt_length + 1, PREG_SPLIT_NO_EMPTY);
if ( count($words) > $excerpt_length ) {
array_pop($words);
$content = implode(' ', $words);
$content = $content . "... ";
} else {
$content = implode(' ', $words) . "... ";
}
$content = wpautop($content);
}
}
else
{
//else hide everything
$content = "";
}
if(empty($post_membership_levels_ids))
$post_membership_levels_ids = array();
if(empty($post_membership_levels_names))
$post_membership_levels_names = array();
//hide levels which don't allow signups by default
if(!apply_filters("pmpro_membership_content_filter_disallowed_levels", false, $post_membership_levels_ids, $post_membership_levels_names))
{
foreach($post_membership_levels_ids as $key=>$id)
{
//does this level allow registrations?
$level_obj = pmpro_getLevel($id);
if(empty($level_obj) || empty($level_obj->allow_signups))
{
unset($post_membership_levels_ids[$key]);
unset($post_membership_levels_names[$key]);
}
}
}
$pmpro_content_message_pre = '<div class="pmpro_content_message">';
$pmpro_content_message_post = '</div>';
$sr_search = array("!!levels!!", "!!referrer!!");
$sr_replace = array(pmpro_implodeToEnglish($post_membership_levels_names), urlencode(site_url($_SERVER['REQUEST_URI'])));
//get the correct message to show at the bottom
if(is_feed())
{
$newcontent = apply_filters("pmpro_rss_text_filter", stripslashes(pmpro_getOption("rsstext")));
$content .= $pmpro_content_message_pre . str_replace($sr_search, $sr_replace, $newcontent) . $pmpro_content_message_post;
}
elseif($current_user->ID)
{
//not a member
$newcontent = apply_filters("pmpro_non_member_text_filter", stripslashes(pmpro_getOption("nonmembertext")));
$content .= $pmpro_content_message_pre . str_replace($sr_search, $sr_replace, $newcontent) . $pmpro_content_message_post;
}
else
{
//not logged in!
$newcontent = apply_filters("pmpro_not_logged_in_text_filter", stripslashes(pmpro_getOption("notloggedintext")));
$content .= $pmpro_content_message_pre . str_replace($sr_search, $sr_replace, $newcontent) . $pmpro_content_message_post;
}
}
return $content;
}
add_filter('the_content', 'pmpro_membership_content_filter', 5);
add_filter('the_content_rss', 'pmpro_membership_content_filter', 5);
add_filter('comment_text_rss', 'pmpro_membership_content_filter', 5);
/*
If the_excerpt is called, we want to disable the_content filters so the PMPro messages aren't added to the content before AND after the ecerpt.
*/
function pmpro_membership_excerpt_filter($content, $skipcheck = false)
{
remove_filter('the_content', 'pmpro_membership_content_filter', 5);
$content = pmpro_membership_content_filter($content, $skipcheck);
add_filter('the_content', 'pmpro_membership_content_filter', 5);
return $content;
}
function pmpro_membership_get_excerpt_filter_start($content, $skipcheck = false)
{
remove_filter('the_content', 'pmpro_membership_content_filter', 5);
return $content;
}
function pmpro_membership_get_excerpt_filter_end($content, $skipcheck = false)
{
add_filter('the_content', 'pmpro_membership_content_filter', 5);
return $content;
}
add_filter('the_excerpt', 'pmpro_membership_excerpt_filter', 15);
add_filter('get_the_excerpt', 'pmpro_membership_get_excerpt_filter_start', 1);
add_filter('get_the_excerpt', 'pmpro_membership_get_excerpt_filter_end', 100);
function pmpro_comments_filter($comments, $post_id = NULL)
{
global $post, $wpdb, $current_user;
if(!$post_id)
$post_id = $post->ID;
if(!$comments)
return $comments; //if they are closed anyway, we don't need to check
global $post, $current_user;
$hasaccess = pmpro_has_membership_access(NULL, NULL, true);
if(is_array($hasaccess))
{
//returned an array to give us the membership level values
$post_membership_levels_ids = $hasaccess[1];
$post_membership_levels_names = $hasaccess[2];
$hasaccess = $hasaccess[0];
}
if($hasaccess)
{
//all good, return content
return $comments;
}
else
{
if(!$post_membership_levels_ids)
$post_membership_levels_ids = array();
if(!$post_membership_levels_names)
$post_membership_levels_names = array();
//get the correct message
if(is_feed())
{
if(is_array($comments))
return array();
else
return false;
}
elseif($current_user->ID)
{
//not a member
if(is_array($comments))
return array();
else
return false;
}
else
{
//not logged in!
if(is_array($comments))
return array();
else
return false;
}
}
return $comments;
}
add_filter("comments_array", "pmpro_comments_filter", 10, 2);
add_filter("comments_open", "pmpro_comments_filter", 10, 2);
//keep non-members from getting to certain pages (attachments, etc)
function pmpro_hide_pages_redirect()
{
global $post;
if(!is_admin() && !empty($post->ID))
{
if($post->post_type == "attachment")
{
//check if the user has access to the parent
if(!pmpro_has_membership_access($post->ID))
{
wp_redirect(pmpro_url("levels"));
exit;
}
}
}
}
add_action('wp', 'pmpro_hide_pages_redirect');
/**
* Adds custom classes to the array of post classes.
*
* pmpro-level-required = this post requires at least one level
* pmpro-level-1 = this post requires level 1
* pmpro-has-access = this post is usually locked, but the current user has access to this post
*
* @param array $classes Classes for the post element.
* @return array
*
* @since 1.8.5.4
*/
function pmpro_post_classes( $classes, $class, $post_id ) {
$post = get_post($post_id);
if(empty($post))
return $classes;
$post_levels = array();
$post_levels = pmpro_has_membership_access($post->ID,NULL,true);
if(!empty($post_levels))
{
if(!empty($post_levels[1]))
{
$classes[] = 'pmpro-level-required';
foreach($post_levels[1] as $post_level)
$classes[] = 'pmpro-level-' . $post_level[0];
}
if(!empty($post_levels[0]) && $post_levels[0] == true)
$classes[] = 'pmpro-has-access';
else
$classes[] = 'pmpro-no-access';
}
return $classes;
}
add_filter( 'post_class', 'pmpro_post_classes', 10, 3 );
/**
* Adds custom classes to the array of body classes.
* Same as the above, but acts on the "queried object" instead of the post global.
*
* pmpro-body-level-required = this post requires at least one level
* pmpro-body-level-1 = this post requires level 1
* pmpro-body-has-access = this post is usually locked, but the current user has access to this post
*
* @param array $classes Classes for the body element.
* @return array
*
* @since 1.8.6.1
*/
function pmpro_body_classes( $classes ) {
$post = get_queried_object();
if(empty($post) || !is_singular())
return $classes;
$post_levels = array();
$post_levels = pmpro_has_membership_access($post->ID,NULL,true);
if(!empty($post_levels))
{
if(!empty($post_levels[1]))
{
$classes[] = 'pmpro-body-level-required';
foreach($post_levels[1] as $post_level)
$classes[] = 'pmpro-body-level-' . $post_level[0];
}
if(!empty($post_levels[0]) && $post_levels[0] == true)
$classes[] = 'pmpro-body-has-access';
}
return $classes;
}
add_filter( 'body_class', 'pmpro_body_classes' );
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