MRBS 1.12.2 等保2.0二级整改完整提交
包含：登录失败锁定、90天密码有效期、30分钟会话超时、 强制改密、登录审计日志、屏幕水印、企业背景图、 备案信息固定底部、favicon、JS空集合保护、 会话过期体验优化（403 JSON）、display_errors 关闭、 固定 key 根治 Integrity check failed 等全部改动 注意：config.inc.php/.htaccess/.user.ini 含敏感信息， 通过 .gitignore 排除，勿推送到公开仓库。
This commit is contained in:
人事系统开发
+491
@@ -0,0 +1,491 @@
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<?php
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declare(strict_types=1);
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namespace MRBS;
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use MRBS\Auth\AuthFactory;
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use MRBS\Session\Session;
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use MRBS\Session\SessionFactory;
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// Convenience wrapper function to provide access to an Auth object
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function auth()
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{
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global $auth;
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static $auth_obj = null;
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if (is_null($auth_obj))
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{
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$auth_obj = AuthFactory::create($auth['type']);
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}
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return $auth_obj;
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}
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// Convenience wrapper function to provide access to a Session object
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function session() : Session
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{
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global $auth;
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static $session_obj = null;
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if (is_null($session_obj))
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{
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$session_obj = SessionFactory::create($auth['session']);
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}
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return $session_obj;
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}
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// Checks if a page is open to users, using the config variables
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// $auth['only_admin_can_book'] and $auth['only_admin_can_book_before']
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function booking_level() : int
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{
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global $auth;
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if ($auth['allow_anonymous_booking'])
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{
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return 0;
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}
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if ($auth['only_admin_can_book'])
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{
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return 2;
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}
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elseif ($auth['only_admin_can_book_before'])
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{
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$go_live = strtotime($auth['only_admin_can_book_before']);
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if ($go_live === false)
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{
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$message = "Could not calculate time from '" . $auth['only_admin_can_book_before'] . "'.";
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trigger_error($message);
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return 2;
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}
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else
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{
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return (time() >= $go_live) ? 1 : 2;
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}
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}
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return 1;
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}
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// Gets the minimum user level required to access a page
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function get_page_level($page)
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{
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global $auth, $max_level;
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// If you're resetting your password you won't be logged in and $auth['deny_public_access']
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// should not apply. (change_password.php 同样放行：页面自身强制要求已登录，未登录会引导登录)
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if (in_array($page, array('reset_password.php', 'reset_password_handler.php', 'change_password.php')))
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{
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return 0;
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}
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// Otherwise ...
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switch ($page)
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{
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// These pages are open to the public by default as they only contain
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// read features.
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case 'help.php':
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case 'index.php':
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$result = 0;
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break;
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// These pages reveal usernames, which could be of assistance to someone trying to
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// break into the system, so users are required to be logged in before viewing them.
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case 'search.php':
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$result = 1;
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break;
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case 'view_entry.php':
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$result = ($auth['allow_anonymous_booking']) ? 0 : 1;
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break;
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// These pages are set to have a minimum access level of 1 as ordinary users
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// should be able to access them because they will have read access and in some
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// cases write access for their own entries. Where necessary further checks are
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// made within the page to prevent ordinary users gaining access to admin features.
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case 'admin.php':
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case 'approve_entry_handler.php': // Ordinary users are allowed to remind admins
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case 'edit_message.php': // Booking admins can edit messages
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case 'edit_message_handler.php': // Booking admins can edit messages
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case 'edit_room.php': // Ordinary users can view room details
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case 'edit_users.php': // Ordinary users can edit their own details
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case 'pending.php': // Ordinary users can view their own entries
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case 'registration_handler.php': // Ordinary users can register for an event
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case 'usernames.php': // Ajax page for getting a list of users (booking admins can use this)
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$result = 1;
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break;
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// These pages allow users to create and delete entries
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case 'check_slot.php': // Ajax page used by edit_entry.php
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case 'del_entry.php':
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case 'edit_entry.php':
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case 'edit_entry_handler.php':
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return booking_level();
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break;
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// Everything else is for admins only
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default:
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$result = (isset($max_level)) ? $max_level : 2;
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break;
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}
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if ($auth['deny_public_access'])
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{
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$result = max($result, 1);
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}
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// Can always access index.php when in kiosk mode
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if ($page == 'index.php' && is_kiosk_mode())
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{
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$result = 0;
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}
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return $result;
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}
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/* getAuthorised($level)
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*
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* Check to see if the current user has a certain level of rights
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*
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* $level - The access level required
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* $returl - The URL to return to eventually
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*
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* Returns:
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* false - The user does not have the required access
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* true - The user has the required access
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*/
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function getAuthorised($level, $returl) : bool
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{
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// If the minimum level is zero (or not set) then they are
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// authorised, whoever they are
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if (empty($level))
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{
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return true;
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}
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// Otherwise we need to check who they are
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$mrbs_user = session()->getCurrentUser();
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if(!isset($mrbs_user))
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{
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// Ask them to authenticate, if the session scheme supports it
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if (method_exists(session(), 'authGet'))
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{
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session()->authGet(null, $returl);
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}
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return false;
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}
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return ($mrbs_user->level >= $level);
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}
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/* checkAuthorised()
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*
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* Checks to see that a user is authorised to access a page.
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* If they are not, then shows an "Access Denied" message and exits.
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*
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*/
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function checkAuthorised($page, $just_check=false)
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{
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global $view, $view_all, $year, $month, $day, $area, $room;
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global $returl;
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// Get the minimum authorisation level for this page
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$required_level = get_page_level($page);
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if ($just_check)
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{
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if ($required_level == 0)
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{
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return true;
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}
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$mrbs_user = session()->getCurrentUser();
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return (isset($mrbs_user) && ($mrbs_user->level >= $required_level));
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}
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// Check that the user has this level
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if (getAuthorised($required_level, $returl))
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{
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return true;
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}
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// If we don't know the right date then use today's
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if (!isset($day) or !isset($month) or !isset($year))
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{
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$day = date('d');
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$month = date('m');
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$year = date('Y');
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}
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if (empty($area))
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{
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$area = get_default_area();
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}
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showAccessDenied($view, $view_all, $year, $month, $day, $area, isset($room) ? $room : null);
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exit();
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}
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/* getWritable($creator, $room)
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*
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* Determines if the current user is able to modify an entry
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*
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* $creator - The creator of the entry
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* $rooms - The id(s) of the room(s) that the entries are in. Can
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* be a scalar or an array.
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* $all - Whether to check that the creator has write access
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* for all ($all=true) or just some ($all=false) of the
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* rooms.
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*
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* Returns:
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* false - The user does not have the required access
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* true - The user has the required access
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*/
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function getWritable($creator, $rooms=null, $all=true) : bool
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{
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if (is_array($rooms) && (count($rooms) > 0))
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{
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if ($all)
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{
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// We want the user to have write access for all the rooms,
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// so if for any one room they are not, then return false.
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foreach ($rooms as $room)
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{
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if (!getWritable($creator, $room))
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{
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return false;
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}
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}
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return true;
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}
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else
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{
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// We want the user to have write access for at least one room,
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// so if there are no rooms for which they do, then return false.
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foreach ($rooms as $room)
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{
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if (getWritable($creator, $room))
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{
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return true;
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}
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}
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return false;
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}
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}
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if (is_null($rooms) && !$all)
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{
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// Not yet supported. Could support it but need to decide what $rooms=null means.
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// Does it mean all rooms in the system or just all rooms in the current area?
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throw new \Exception('$rooms===null and $all===false not yet supported.');
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}
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// You can't make bookings in rooms which are invisible
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if (!is_visible($rooms))
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{
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return false;
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}
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// Always allowed to modify your own stuff
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$mrbs_user = session()->getCurrentUser();
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if (isset($mrbs_user) && isset($creator) && (compare_usernames($creator, $mrbs_user->username) === 0))
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{
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return true;
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}
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// Otherwise you have to be a (booking) admin for this room
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if (is_book_admin($rooms))
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{
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return true;
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}
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// Unauthorised access
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return false;
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}
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/* showAccessDenied()
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*
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* Displays an appropriate message when access has been denied
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*
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* Returns: Nothing
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*/
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function showAccessDenied($view=null, $view_all=null, $year=null, $month=null, $day=null, $area=null, $room=null)
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{
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global $server;
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$context = array(
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'view' => $view,
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'view_all' => $view_all,
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'year' => $year,
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'month' => $month,
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'day' => $day,
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'area' => $area,
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'room' => isset($room) ? $room : null
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);
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print_header($context);
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// Wrap the contents in a <div> to help with styling. Not a very nice solution, but anyway.
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echo "<div>\n";
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echo "<h1>" . get_vocab("accessdenied") . "</h1>\n";
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echo "<p>" . get_vocab("norights") . "</p>\n";
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$referrer = session()->getReferrer();
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if (isset($referrer))
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{
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echo "<p>\n";
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echo "<a href=\"" . escape_html($referrer) . "\">\n" . get_vocab("returnprev") . "</a>\n";
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echo "</p>\n";
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}
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echo "</div>\n";
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// Print footer and exit
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print_footer(true);
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}
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// Checks whether the current user has admin rights
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function is_admin() : bool
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{
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global $max_level;
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$mrbs_user = session()->getCurrentUser();
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$required_level = (isset($max_level) ? $max_level : 2);
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return (isset($mrbs_user) && ($mrbs_user->level >= $required_level));
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}
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// Checks whether the current user has booking administration rights
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// for $rooms - ie is allowed to modify and delete other people's bookings
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// and to approve bookings.
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//
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// $rooms can be either a single scalar value or an array of room ids. The default
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// value for $rooms is all rooms. (At the moment $room is ignored, but is passed here
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// so that later MRBS can be enhanced to provide fine-grained permissions.)
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//
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// $all specifies whether the user must be a booking for all $rooms, or just some of
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// them, ie at least one.
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//
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// Returns: TRUE if the user is allowed has booking admin rights for
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// the room(s); otherwise FALSE
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function is_book_admin($rooms=null, $all=true) : bool
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{
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global $min_booking_admin_level;
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if (is_array($rooms) && (count($rooms) > 0))
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{
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if ($all)
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{
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// We want the user to be a booking admin for all the rooms,
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// so if for any one room they are not, then return false.
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foreach ($rooms as $room)
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{
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if (!is_book_admin($room))
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{
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return false;
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}
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}
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return true;
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}
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else
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{
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// We want the user to be a booking admin for at least one room,
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// so if there are no rooms for which they are, then return false.
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foreach ($rooms as $room)
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{
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if (is_book_admin($room))
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{
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return true;
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}
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}
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return false;
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}
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}
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if (is_null($rooms) && !$all)
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{
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// Not yet supported. Could support it but need to decide what $rooms=null means.
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// Does it mean all rooms in the system or just all rooms in the current area?
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throw new \Exception('$rooms===null and $all===false not yet supported.');
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}
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$mrbs_user = session()->getCurrentUser();
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return (isset($mrbs_user) && ($mrbs_user->level >= $min_booking_admin_level));
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}
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// Checks whether the current user has user editing rights
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function is_user_admin() : bool
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{
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global $min_user_editing_level;
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$mrbs_user = session()->getCurrentUser();
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return (isset($mrbs_user) && ($mrbs_user->level >= $min_user_editing_level));
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}
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// Checks whether a room is visible to the current user
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// Doesn't do anything at the moment, but allows for customisation or future development
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function is_visible($room) : bool
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{
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return true;
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}
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// Checks whether a user is allowed to register other users for events
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function can_register_others($room_id=null) : bool
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{
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global $auth;
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$mrbs_user = session()->getCurrentUser();
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if (!isset($mrbs_user))
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{
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return false;
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}
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return $auth['users_can_register_others'] || is_book_admin($room_id);
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}
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// Checks whether the current user can see others' email addresses
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function can_see_email_addresses() : bool
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{
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global $auth, $is_private_field;
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// Admins can see everything
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if (is_admin())
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{
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return true;
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}
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$mrbs_user = session()->getCurrentUser();
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// Don't expose email addresses to the public
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if (!isset($mrbs_user))
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{
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return false;
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}
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// MRBS must be configured for logged-in users to see others' details
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if ($auth['only_admin_can_see_other_users'])
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{
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return false;
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}
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// Otherwise the email field in the users table must not be private
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return (!auth()->canCreateUsers() || empty($is_private_field['users.email']));
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}
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