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<?php
namespace Zotlabs\Access;
/**
* @brief AccessList class.
*
* A class to hold an AccessList object with allowed and denied contacts and
* groups.
*/
class AccessList {
/**
* @brief Allow contacts
* @var string
*/
private $allow_cid;
/**
* @brief Allow groups
* @var string
*/
private $allow_gid;
/**
* @brief Deny contacts
* @var string
*/
private $deny_cid;
/**
* @brief Deny groups
* @var string
*/
private $deny_gid;
/**
* @brief Indicates if we are using the default constructor values or
* values that have been set explicitly.
* @var boolean
*/
private $explicit;
/**
* @brief Constructor for AccessList class.
*
* @note The array to pass to the constructor is different from the array
* that you provide to the set() or set_from_array() functions.
*
* @param array $channel A channel array, where these entries are evaluated:
* * \e string \b channel_allow_cid => string of allowed cids
* * \e string \b channel_allow_gid => string of allowed gids
* * \e string \b channel_deny_cid => string of denied cids
* * \e string \b channel_deny_gid => string of denied gids
*/
function __construct($channel) {
if($channel) {
$this->allow_cid = $channel['channel_allow_cid'];
$this->allow_gid = $channel['channel_allow_gid'];
$this->deny_cid = $channel['channel_deny_cid'];
$this->deny_gid = $channel['channel_deny_gid'];
}
else {
$this->allow_cid = '';
$this->allow_gid = '';
$this->deny_cid = '';
$this->deny_gid = '';
}
$this->explicit = false;
}
/**
* @brief Get if we are using the default constructor values
* or values that have been set explicitly.
*
* @return boolean
*/
function get_explicit() {
return $this->explicit;
}
/**
* @brief Set access list from strings such as those in already
* existing stored data items.
*
* @note The array to pass to this set function is different from the array
* that you provide to the constructor or set_from_array().
*
* @param array $arr
* * \e string \b allow_cid => string of allowed cids
* * \e string \b allow_gid => string of allowed gids
* * \e string \b deny_cid => string of denied cids
* * \e string \b deny_gid => string of denied gids
* @param boolean $explicit (optional) default true
*/
function set($arr, $explicit = true) {
$this->allow_cid = $arr['allow_cid'];
$this->allow_gid = $arr['allow_gid'];
$this->deny_cid = $arr['deny_cid'];
$this->deny_gid = $arr['deny_gid'];
$this->explicit = $explicit;
}
/**
* @brief Return an array consisting of the current access list components
* where the elements are directly storable.
*
* @return Associative array with:
* * \e string \b allow_cid => string of allowed cids
* * \e string \b allow_gid => string of allowed gids
* * \e string \b deny_cid => string of denied cids
* * \e string \b deny_gid => string of denied gids
*/
function get() {
return [
'allow_cid' => $this->allow_cid,
'allow_gid' => $this->allow_gid,
'deny_cid' => $this->deny_cid,
'deny_gid' => $this->deny_gid,
];
}
/**
* @brief Set access list components from arrays, such as those provided by
* acl_selector().
*
* For convenience, a string (or non-array) input is assumed to be a
* comma-separated list and auto-converted into an array.
*
* @note The array to pass to this set function is different from the array
* that you provide to the constructor or set().
*
* @param array $arr An associative array with:
* * \e array|string \b contact_allow => array with cids or comma-seperated string
* * \e array|string \b group_allow => array with gids or comma-seperated string
* * \e array|string \b contact_deny => array with cids or comma-seperated string
* * \e array|string \b group_deny => array with gids or comma-seperated string
* @param boolean $explicit (optional) default true
*/
function set_from_array($arr, $explicit = true) {
$this->allow_cid = perms2str((is_array($arr['contact_allow']))
? $arr['contact_allow'] : explode(',', $arr['contact_allow']));
$this->allow_gid = perms2str((is_array($arr['group_allow']))
? $arr['group_allow'] : explode(',', $arr['group_allow']));
$this->deny_cid = perms2str((is_array($arr['contact_deny']))
? $arr['contact_deny'] : explode(',', $arr['contact_deny']));
$this->deny_gid = perms2str((is_array($arr['group_deny']))
? $arr['group_deny'] : explode(',', $arr['group_deny']));
$this->explicit = $explicit;
}
/**
* @brief Returns true if any access lists component is set.
*
* @return boolean Return true if any of allow_* deny_* values is set.
*/
function is_private() {
return (($this->allow_cid || $this->allow_gid || $this->deny_cid || $this->deny_gid) ? true : false);
}
}
|
