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<?php
/**
* protector package limits content based on user role
*
* @copyright (c) 2004-15 bitweaver.org
* @package protector
*/
/**
* required setup
*/
namespace Bitweaver\Liberty;
/**
* Protector class to illustrate best practices when creating a new bitweaver package that
* builds on core bitweaver functionality, such as the Liberty CMS engine
*
* @package protector
*/
class LibertyProtector extends LibertyBase {
/**
* During initialisation, be sure to call our base constructors
**/
public function __construct( $pContentId=0 ) {
$this->mContentId = $pContentId ;
parent::__construct();
}
/**
* Update the liberty_content_role_map table with corrected role_id(s).
*
* In -1 for anonymouse is not stored, switching content to anonymouse will clear array
*
* @param object $pParamHash
*/
public function storeProtection( &$pParamHash ) {
global $gBitSystem;
if( isset( $pParamHash['protector']['role_id'] ) && \Bitweaver\BitBase::verifyId( $pParamHash['content_id'] ) ) {
$this->mDb->query( "DELETE FROM `".BIT_DB_PREFIX."liberty_content_role_map` WHERE `content_id`=?", [ $pParamHash['content_id'] ] );
if( $gBitSystem->isFeatureActive( 'protector_single_role' ) ) {
if( $pParamHash['protector']['role_id'] != -1 )
$this->mDb->query( "INSERT INTO `".BIT_DB_PREFIX."liberty_content_role_map` ( `role_id`, `content_id` ) VALUES ( ?, ? )", [ $pParamHash['protector']['role_id'], $pParamHash['content_id'] ] );
} else {
foreach( $pParamHash['protector']['role_id'] AS $roleId ) {
if( $roleId != -1 )
$this->mDb->query( "INSERT INTO `".BIT_DB_PREFIX."liberty_content_role_map` ( `role_id`, `content_id` ) VALUES ( ?, ? )", [ $roleId, $pParamHash['content_id'] ] );
}
}
}
return \count( $this->mErrors ) == 0;
}
/**
* Delete entry(ies) from liberty_content_role_map table with content_id.
*
* @var object $pContent
*/
public function expunge(): bool {
if( \Bitweaver\BitBase::verifyId( $this->mContentId ) ) {
$this->mDb->query( "DELETE FROM `".BIT_DB_PREFIX."liberty_content_role_map` WHERE `content_id`=?", [ $this->mContentId ] );
}
return true;
}
/**
* @param integer $ContentId
* @return array liberty_content_role_map for selected content_id
* Ret -1 for anonymouse if alternatives are not stored
**/
public function getProtectionList( $ContentId = 0 ) {
$ret = [];
if( \Bitweaver\BitBase::verifyId( $ContentId ) ) {
$ret = $this->mDb->GetAssoc( "SELECT `role_id`, `content_id` FROM `".BIT_DB_PREFIX."liberty_content_role_map` WHERE `content_id`=?", [ $ContentId ] );
}
return $ret;
}
}
/**
* function to provide list of filtered content
**/
function protector_content_list() {
global $gBitUser;
$userId = $gBitUser->mUserId ?? 0;
$roles = \array_keys($gBitUser->getRoles( $userId ?? 0, true )) ?: [-1];
$ret = [
'join_sql' => " LEFT JOIN `" . BIT_DB_PREFIX . "liberty_content_role_map` lcrm ON ( lc.`content_id`=lcrm.`content_id` ) LEFT OUTER JOIN `" . BIT_DB_PREFIX . "users_roles_map` purm ON ( purm.`user_id` = " . $userId . " ) AND ( purm.`role_id`=lcrm.`role_id` ) ",
'where_sql' => " AND (lcrm.`content_id` IS null OR lcrm.`role_id` IN(" . implode( ',', array_fill( 0, count( $roles ), '?' ) ) . " ) OR purm.`user_id` = ? ) ",
'bind_vars' => [ ...$roles, $userId ],
];
return $ret;
}
/**
* function to load a filtered content element
*
* @param object $pContent
*/
function protector_content_load( $pContent = null ) {
global $gBitUser;
$userId = $gBitUser->mUserId ?? -1;
$roles = \array_keys($gBitUser->getRoles( $userId, true )) ?: [-1];
protector_content_verify_access( $pContent, $roles );
$ret = [
'join_sql' => " LEFT JOIN `" . BIT_DB_PREFIX . "liberty_content_role_map` lcrm ON ( lc.`content_id`=lcrm.`content_id` ) LEFT OUTER JOIN `" . BIT_DB_PREFIX . "users_roles_map` purm ON ( purm.`role_id`=lcrm.`role_id` ) ",
'where_sql' => " AND (lcrm.`content_id` IS null OR lcrm.`role_id` IN(" . implode( ',', array_fill( 0, count( $roles ), '?' ) ) . " ) OR purm.`user_id`=?) ",
'bind_vars' => [ $userId ],
];
$ret['bind_vars'] = [ ...$roles, ...$ret['bind_vars'] ];
return $ret;
}
/**
* function to store a filtered content element
*
* @param object $pObject
* @param array $pParamHash
**/
function protector_content_store( $pObject, $pParamHash ) {
global $gBitSystem, $gProtector;
$errors = null;
// If a content access system is active, let's call it
if( $gBitSystem->isPackageActive( 'protector' ) ) {
if( !$gProtector->storeProtection( $pParamHash ) ) {
$errors['protector'] = $gProtector->mErrors['security'];
}
}
return $errors;
}
/**
* function to store a filtered comment element
*
* @param object $pContent
* @param array $pParamHash
**/
function protector_comment_store( $pContent, $pParamHash ) {
global $gBitSystem, $gProtector;
$errors = null;
// If a content access system is active, let's call it
if( $gBitSystem->isPackageActive( 'protector' ) ) {
if( isset( $pParamHash['comments_parent_id'] ) ) {
$pParamHash['protector']['role_id'] = $pContent->mDb->GetOne( "SELECT `role_id` FROM `".BIT_DB_PREFIX."liberty_content_role_map` WHERE `content_id`=?", [ $pParamHash['comments_parent_id'] ] );
}
if( !$gProtector->storeProtection( $pParamHash ) ) {
$errors['protector'] = $gProtector->mErrors['security'];
}
}
return $errors;
}
/**
* function to delete a filtered content element
*
* @param object $pContent
**/
function protector_content_expunge( $pContent = null ) {
if( \Bitweaver\BitBase::verifyId( $pContent->mContentId ) ) {
$pContent->mDb->query( "DELETE FROM `".BIT_DB_PREFIX."liberty_content_role_map` WHERE `content_id`=?", [ $pContent->mContentId ] );
}
}
/**
* function to display a filtered content element
*
* @param object $pContent
* @param array $pParamHash
**/
function protector_content_display( &$pContent, &$pParamHash ) {
global $gBitSystem, $gBitSmarty;
$pContent->hasUserPermission( $pParamHash['perm_name'] ?? '' );
}
/**
* function to verify access to a filtered content element
*
* @param object $pContent
* @param array $pHash
**/
function protector_content_verify_access( $pContent, $pHash ) {
global $gBitUser, $gBitSystem;
$error = null;
if ( $pContent && $pContent->isValid() ) {
if( !$pContent->verifyId( $pContent->mContentId ) ) {
}
if( $pContent->verifyId( $pContent->mContentId ) ) {
$query = "SELECT lc.`content_id`, lcrm.`role_id` as `is_protected`
FROM `".BIT_DB_PREFIX."liberty_content` lc
LEFT JOIN `".BIT_DB_PREFIX."liberty_content_role_map` lcrm ON ( lc.`content_id`=lcrm.`content_id` ) LEFT OUTER JOIN `".BIT_DB_PREFIX."users_roles_map` urm ON ( urm.`user_id`=". ( $gBitUser->mUserId ?? 0 ) ." ) AND ( urm.`role_id`=lcrm.`role_id` )
WHERE lc.`content_id` = ?";
$ret = $pContent->mDb->getRow( $query, [ $pContent->mContentId ] );
if( $ret and is_numeric($ret['is_protected']) and !\in_array( $ret['is_protected'], $pHash ?? [] ) ) {
$gBitSystem->fatalPermission( 'protector permission fail' );
} else {
if ( $ret and is_numeric($ret['is_protected']) and $ret['is_protected'] == -1 )
$pContent->mViewPublic = 'public';
}
}
}
return $error;
}
/**
* function to edit a filtered content element
*
* @param object $pContent
**/
function protector_content_edit( $pContent, $pFunctionParam ) {
global $gProtector, $gBitUser, $gBitSmarty;
$roles = $gBitUser->getRoles();
$roles[-1]['role_name'] = "~~ System Default ~~";
ksort( $roles );
foreach( array_keys( $roles ) as $roleId ) {
$protectorRolesId[$roleId] = $roleId != -1 ? $roles[$roleId]['role_name'] : "~~ System Default ~~";
}
if ( $pContent->mContentId ) {
$serviceHash['protector']['role'] = $gProtector->getProtectionList( $pContent->mContentId );
} else {
if ( isset( $pContent->mInfo['parent_id'] ) ) {
$serviceHash['protector']['role'] = $gProtector->getProtectionList( $pContent->mInfo['parent_id'] );
}
}
if ( isset( $serviceHash['protector']['role'] ) ) { $prot = array_keys( $serviceHash['protector']['role'] ); }
$serviceHash['protector']['role_id'] = empty( $prot[0] ) ? -1 : $prot[0];
$gBitSmarty->assign( 'serviceHash', $serviceHash );
$gBitSmarty->assign( 'protectorRolesId', $protectorRolesId );
$gBitSmarty->assign( 'protectorRoles', $roles );
}
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