mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-23 22:34:27 +02:00
git-svn-id: http://svn.automattic.com/wordpress/trunk@6697 1a063a9b-81f0-0310-95a4-ce76da25c4cd
487 lines
12 KiB
PHP
487 lines
12 KiB
PHP
<?php
|
|
|
|
class WP_Roles {
|
|
var $roles;
|
|
|
|
var $role_objects = array();
|
|
var $role_names = array();
|
|
var $role_key;
|
|
var $use_db = true;
|
|
|
|
function WP_Roles() {
|
|
$this->_init();
|
|
}
|
|
|
|
function _init () {
|
|
global $wpdb;
|
|
global $wp_user_roles;
|
|
$this->role_key = $wpdb->prefix . 'user_roles';
|
|
if ( ! empty($wp_user_roles) ) {
|
|
$this->roles = $wp_user_roles;
|
|
$this->use_db = false;
|
|
} else {
|
|
$this->roles = get_option($this->role_key);
|
|
}
|
|
|
|
if ( empty($this->roles) )
|
|
return;
|
|
|
|
$this->role_objects = array();
|
|
$this->role_names = array();
|
|
foreach ($this->roles as $role => $data) {
|
|
$this->role_objects[$role] = new WP_Role($role, $this->roles[$role]['capabilities']);
|
|
$this->role_names[$role] = $this->roles[$role]['name'];
|
|
}
|
|
}
|
|
|
|
function add_role($role, $display_name, $capabilities = '') {
|
|
if ( isset($this->roles[$role]) )
|
|
return;
|
|
|
|
$this->roles[$role] = array(
|
|
'name' => $display_name,
|
|
'capabilities' => $capabilities);
|
|
if ( $this->use_db )
|
|
update_option($this->role_key, $this->roles);
|
|
$this->role_objects[$role] = new WP_Role($role, $capabilities);
|
|
$this->role_names[$role] = $display_name;
|
|
return $this->role_objects[$role];
|
|
}
|
|
|
|
function remove_role($role) {
|
|
if ( ! isset($this->role_objects[$role]) )
|
|
return;
|
|
|
|
unset($this->role_objects[$role]);
|
|
unset($this->role_names[$role]);
|
|
unset($this->roles[$role]);
|
|
|
|
if ( $this->use_db )
|
|
update_option($this->role_key, $this->roles);
|
|
}
|
|
|
|
function add_cap($role, $cap, $grant = true) {
|
|
$this->roles[$role]['capabilities'][$cap] = $grant;
|
|
if ( $this->use_db )
|
|
update_option($this->role_key, $this->roles);
|
|
}
|
|
|
|
function remove_cap($role, $cap) {
|
|
unset($this->roles[$role]['capabilities'][$cap]);
|
|
if ( $this->use_db )
|
|
update_option($this->role_key, $this->roles);
|
|
}
|
|
|
|
function &get_role($role) {
|
|
if ( isset($this->role_objects[$role]) )
|
|
return $this->role_objects[$role];
|
|
else
|
|
return null;
|
|
}
|
|
|
|
function get_names() {
|
|
return $this->role_names;
|
|
}
|
|
|
|
function is_role($role)
|
|
{
|
|
return isset($this->role_names[$role]);
|
|
}
|
|
}
|
|
|
|
class WP_Role {
|
|
var $name;
|
|
var $capabilities;
|
|
|
|
function WP_Role($role, $capabilities) {
|
|
$this->name = $role;
|
|
$this->capabilities = $capabilities;
|
|
}
|
|
|
|
function add_cap($cap, $grant = true) {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
$this->capabilities[$cap] = $grant;
|
|
$wp_roles->add_cap($this->name, $cap, $grant);
|
|
}
|
|
|
|
function remove_cap($cap) {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
unset($this->capabilities[$cap]);
|
|
$wp_roles->remove_cap($this->name, $cap);
|
|
}
|
|
|
|
function has_cap($cap) {
|
|
$capabilities = apply_filters('role_has_cap', $this->capabilities, $cap, $this->name);
|
|
if ( !empty($capabilities[$cap]) )
|
|
return $capabilities[$cap];
|
|
else
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
class WP_User {
|
|
var $data;
|
|
var $ID = 0;
|
|
var $id = 0; // Deprecated, use $ID instead.
|
|
var $caps = array();
|
|
var $cap_key;
|
|
var $roles = array();
|
|
var $allcaps = array();
|
|
|
|
function WP_User($id, $name = '') {
|
|
|
|
if ( empty($id) && empty($name) )
|
|
return;
|
|
|
|
if ( ! is_numeric($id) ) {
|
|
$name = $id;
|
|
$id = 0;
|
|
}
|
|
|
|
if ( ! empty($id) )
|
|
$this->data = get_userdata($id);
|
|
else
|
|
$this->data = get_userdatabylogin($name);
|
|
|
|
if ( empty($this->data->ID) )
|
|
return;
|
|
|
|
foreach (get_object_vars($this->data) as $key => $value) {
|
|
$this->{$key} = $value;
|
|
}
|
|
|
|
$this->id = $this->ID;
|
|
$this->_init_caps();
|
|
}
|
|
|
|
function _init_caps() {
|
|
global $wpdb;
|
|
$this->cap_key = $wpdb->prefix . 'capabilities';
|
|
$this->caps = &$this->{$this->cap_key};
|
|
if ( ! is_array($this->caps) )
|
|
$this->caps = array();
|
|
$this->get_role_caps();
|
|
}
|
|
|
|
function get_role_caps() {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
//Filter out caps that are not role names and assign to $this->roles
|
|
if(is_array($this->caps))
|
|
$this->roles = array_filter(array_keys($this->caps), array(&$wp_roles, 'is_role'));
|
|
|
|
//Build $allcaps from role caps, overlay user's $caps
|
|
$this->allcaps = array();
|
|
foreach( (array) $this->roles as $role) {
|
|
$role = $wp_roles->get_role($role);
|
|
$this->allcaps = array_merge($this->allcaps, $role->capabilities);
|
|
}
|
|
$this->allcaps = array_merge($this->allcaps, $this->caps);
|
|
}
|
|
|
|
function add_role($role) {
|
|
$this->caps[$role] = true;
|
|
update_usermeta($this->ID, $this->cap_key, $this->caps);
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
}
|
|
|
|
function remove_role($role) {
|
|
if ( empty($this->roles[$role]) || (count($this->roles) <= 1) )
|
|
return;
|
|
unset($this->caps[$role]);
|
|
update_usermeta($this->ID, $this->cap_key, $this->caps);
|
|
$this->get_role_caps();
|
|
}
|
|
|
|
function set_role($role) {
|
|
foreach($this->roles as $oldrole)
|
|
unset($this->caps[$oldrole]);
|
|
if ( !empty($role) ) {
|
|
$this->caps[$role] = true;
|
|
$this->roles = array($role => true);
|
|
} else {
|
|
$this->roles = false;
|
|
}
|
|
update_usermeta($this->ID, $this->cap_key, $this->caps);
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
}
|
|
|
|
function level_reduction($max, $item) {
|
|
if(preg_match('/^level_(10|[0-9])$/i', $item, $matches)) {
|
|
$level = intval($matches[1]);
|
|
return max($max, $level);
|
|
} else {
|
|
return $max;
|
|
}
|
|
}
|
|
|
|
function update_user_level_from_caps() {
|
|
global $wpdb;
|
|
$this->user_level = array_reduce(array_keys($this->allcaps), array(&$this, 'level_reduction'), 0);
|
|
update_usermeta($this->ID, $wpdb->prefix.'user_level', $this->user_level);
|
|
}
|
|
|
|
function add_cap($cap, $grant = true) {
|
|
$this->caps[$cap] = $grant;
|
|
update_usermeta($this->ID, $this->cap_key, $this->caps);
|
|
}
|
|
|
|
function remove_cap($cap) {
|
|
if ( empty($this->caps[$cap]) ) return;
|
|
unset($this->caps[$cap]);
|
|
update_usermeta($this->ID, $this->cap_key, $this->caps);
|
|
}
|
|
|
|
function remove_all_caps() {
|
|
global $wpdb;
|
|
$this->caps = array();
|
|
update_usermeta($this->ID, $this->cap_key, '');
|
|
update_usermeta($this->ID, $wpdb->prefix.'user_level', '');
|
|
$this->get_role_caps();
|
|
}
|
|
|
|
//has_cap(capability_or_role_name) or
|
|
//has_cap('edit_post', post_id)
|
|
function has_cap($cap) {
|
|
if ( is_numeric($cap) )
|
|
$cap = $this->translate_level_to_cap($cap);
|
|
|
|
$args = array_slice(func_get_args(), 1);
|
|
$args = array_merge(array($cap, $this->ID), $args);
|
|
$caps = call_user_func_array('map_meta_cap', $args);
|
|
// Must have ALL requested caps
|
|
$capabilities = apply_filters('user_has_cap', $this->allcaps, $caps, $args);
|
|
foreach ($caps as $cap) {
|
|
//echo "Checking cap $cap<br />";
|
|
if(empty($capabilities[$cap]) || !$capabilities[$cap])
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function translate_level_to_cap($level) {
|
|
return 'level_' . $level;
|
|
}
|
|
|
|
}
|
|
|
|
// Map meta capabilities to primitive capabilities.
|
|
function map_meta_cap($cap, $user_id) {
|
|
$args = array_slice(func_get_args(), 2);
|
|
$caps = array();
|
|
|
|
switch ($cap) {
|
|
case 'delete_user':
|
|
$caps[] = 'delete_users';
|
|
break;
|
|
case 'edit_user':
|
|
if ( !isset($args[0]) || $user_id != $args[0] ) {
|
|
$caps[] = 'edit_users';
|
|
}
|
|
break;
|
|
case 'delete_post':
|
|
$author_data = get_userdata($user_id);
|
|
//echo "post ID: {$args[0]}<br />";
|
|
$post = get_post($args[0]);
|
|
if ( 'page' == $post->post_type ) {
|
|
$args = array_merge(array('delete_page', $user_id), $args);
|
|
return call_user_func_array('map_meta_cap', $args);
|
|
}
|
|
$post_author_data = get_userdata($post->post_author);
|
|
//echo "current user id : $user_id, post author id: " . $post_author_data->ID . "<br />";
|
|
// If the user is the author...
|
|
if ($user_id == $post_author_data->ID) {
|
|
// If the post is published...
|
|
if ($post->post_status == 'publish')
|
|
$caps[] = 'delete_published_posts';
|
|
else
|
|
// If the post is draft...
|
|
$caps[] = 'delete_posts';
|
|
} else {
|
|
// The user is trying to edit someone else's post.
|
|
$caps[] = 'delete_others_posts';
|
|
// The post is published, extra cap required.
|
|
if ($post->post_status == 'publish')
|
|
$caps[] = 'delete_published_posts';
|
|
else if ($post->post_status == 'private')
|
|
$caps[] = 'delete_private_posts';
|
|
}
|
|
break;
|
|
case 'delete_page':
|
|
$author_data = get_userdata($user_id);
|
|
//echo "post ID: {$args[0]}<br />";
|
|
$page = get_page($args[0]);
|
|
$page_author_data = get_userdata($page->post_author);
|
|
//echo "current user id : $user_id, page author id: " . $page_author_data->ID . "<br />";
|
|
// If the user is the author...
|
|
if ($user_id == $page_author_data->ID) {
|
|
// If the page is published...
|
|
if ($page->post_status == 'publish')
|
|
$caps[] = 'delete_published_pages';
|
|
else
|
|
// If the page is draft...
|
|
$caps[] = 'delete_pages';
|
|
} else {
|
|
// The user is trying to edit someone else's page.
|
|
$caps[] = 'delete_others_pages';
|
|
// The page is published, extra cap required.
|
|
if ($page->post_status == 'publish')
|
|
$caps[] = 'delete_published_pages';
|
|
else if ($page->post_status == 'private')
|
|
$caps[] = 'delete_private_pages';
|
|
}
|
|
break;
|
|
// edit_post breaks down to edit_posts, edit_published_posts, or
|
|
// edit_others_posts
|
|
case 'edit_post':
|
|
$author_data = get_userdata($user_id);
|
|
//echo "post ID: {$args[0]}<br />";
|
|
$post = get_post($args[0]);
|
|
if ( 'page' == $post->post_type ) {
|
|
$args = array_merge(array('edit_page', $user_id), $args);
|
|
return call_user_func_array('map_meta_cap', $args);
|
|
}
|
|
$post_author_data = get_userdata($post->post_author);
|
|
//echo "current user id : $user_id, post author id: " . $post_author_data->ID . "<br />";
|
|
// If the user is the author...
|
|
if ($user_id == $post_author_data->ID) {
|
|
// If the post is published...
|
|
if ($post->post_status == 'publish')
|
|
$caps[] = 'edit_published_posts';
|
|
else
|
|
// If the post is draft...
|
|
$caps[] = 'edit_posts';
|
|
} else {
|
|
// The user is trying to edit someone else's post.
|
|
$caps[] = 'edit_others_posts';
|
|
// The post is published, extra cap required.
|
|
if ($post->post_status == 'publish')
|
|
$caps[] = 'edit_published_posts';
|
|
else if ($post->post_status == 'private')
|
|
$caps[] = 'edit_private_posts';
|
|
}
|
|
break;
|
|
case 'edit_page':
|
|
$author_data = get_userdata($user_id);
|
|
//echo "post ID: {$args[0]}<br />";
|
|
$page = get_page($args[0]);
|
|
$page_author_data = get_userdata($page->post_author);
|
|
//echo "current user id : $user_id, page author id: " . $page_author_data->ID . "<br />";
|
|
// If the user is the author...
|
|
if ($user_id == $page_author_data->ID) {
|
|
// If the page is published...
|
|
if ($page->post_status == 'publish')
|
|
$caps[] = 'edit_published_pages';
|
|
else
|
|
// If the page is draft...
|
|
$caps[] = 'edit_pages';
|
|
} else {
|
|
// The user is trying to edit someone else's page.
|
|
$caps[] = 'edit_others_pages';
|
|
// The page is published, extra cap required.
|
|
if ($page->post_status == 'publish')
|
|
$caps[] = 'edit_published_pages';
|
|
else if ($page->post_status == 'private')
|
|
$caps[] = 'edit_private_pages';
|
|
}
|
|
break;
|
|
case 'read_post':
|
|
$post = get_post($args[0]);
|
|
if ( 'page' == $post->post_type ) {
|
|
$args = array_merge(array('read_page', $user_id), $args);
|
|
return call_user_func_array('map_meta_cap', $args);
|
|
}
|
|
|
|
if ( 'private' != $post->post_status ) {
|
|
$caps[] = 'read';
|
|
break;
|
|
}
|
|
|
|
$author_data = get_userdata($user_id);
|
|
$post_author_data = get_userdata($post->post_author);
|
|
if ($user_id == $post_author_data->ID)
|
|
$caps[] = 'read';
|
|
else
|
|
$caps[] = 'read_private_posts';
|
|
break;
|
|
case 'read_page':
|
|
$page = get_page($args[0]);
|
|
|
|
if ( 'private' != $page->post_status ) {
|
|
$caps[] = 'read';
|
|
break;
|
|
}
|
|
|
|
$author_data = get_userdata($user_id);
|
|
$page_author_data = get_userdata($page->post_author);
|
|
if ($user_id == $page_author_data->ID)
|
|
$caps[] = 'read';
|
|
else
|
|
$caps[] = 'read_private_pages';
|
|
break;
|
|
default:
|
|
// If no meta caps match, return the original cap.
|
|
$caps[] = $cap;
|
|
}
|
|
|
|
return $caps;
|
|
}
|
|
|
|
// Capability checking wrapper around the global $current_user object.
|
|
function current_user_can($capability) {
|
|
$current_user = wp_get_current_user();
|
|
|
|
if ( empty($current_user) )
|
|
return false;
|
|
|
|
$args = array_slice(func_get_args(), 1);
|
|
$args = array_merge(array($capability), $args);
|
|
|
|
return call_user_func_array(array(&$current_user, 'has_cap'), $args);
|
|
}
|
|
|
|
// Convenience wrappers around $wp_roles.
|
|
function get_role($role) {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
return $wp_roles->get_role($role);
|
|
}
|
|
|
|
function add_role($role, $display_name, $capabilities = '') {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
return $wp_roles->add_role($role, $display_name, $capabilities);
|
|
}
|
|
|
|
function remove_role($role) {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset($wp_roles) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
return $wp_roles->remove_role($role);
|
|
}
|
|
|
|
?>
|