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<?php |
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namespace SilverStripe\Security; |
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use BadMethodCallException; |
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use InvalidArgumentException; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Extensible; |
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use SilverStripe\Core\Injector\Injectable; |
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/** |
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* Provides access to the default admin |
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*/ |
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class DefaultAdminService |
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{ |
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use Extensible; |
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use Configurable; |
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use Injectable; |
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/** |
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* @var bool |
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*/ |
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protected static $has_default_admin = false; |
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/** |
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* @var string |
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*/ |
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protected static $default_username = null; |
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/** |
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* @var string |
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*/ |
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protected static $default_password = null; |
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public function __construct() |
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{ |
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$this->constructExtensions(); |
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} |
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/** |
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* Set the default admin credentials |
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* |
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* @param string $username |
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* @param string $password |
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*/ |
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public static function setDefaultAdmin($username, $password) |
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{ |
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// don't overwrite if already set |
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if (static::hasDefaultAdmin()) { |
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throw new BadMethodCallException( |
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"Default admin already exists. Use clearDefaultAdmin() first." |
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); |
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} |
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if (empty($username) || empty($password)) { |
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throw new InvalidArgumentException("Default admin username / password cannot be empty"); |
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} |
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static::$default_username = $username; |
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static::$default_password = $password; |
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static::$has_default_admin = true; |
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} |
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/** |
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* @return string The default admin username |
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* @throws BadMethodCallException Throws exception if there is no default admin |
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*/ |
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public static function getDefaultAdminUsername() |
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{ |
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if (!static::hasDefaultAdmin()) { |
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throw new BadMethodCallException( |
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"No default admin configured. Please call hasDefaultAdmin() before getting default admin username" |
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); |
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} |
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return static::$default_username; |
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} |
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/** |
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* @return string The default admin password |
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* @throws BadMethodCallException Throws exception if there is no default admin |
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*/ |
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public static function getDefaultAdminPassword() |
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{ |
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if (!static::hasDefaultAdmin()) { |
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throw new BadMethodCallException( |
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"No default admin configured. Please call hasDefaultAdmin() before getting default admin password" |
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); |
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} |
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return static::$default_password; |
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} |
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/** |
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* Check if there is a default admin |
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* |
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* @return bool |
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*/ |
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public static function hasDefaultAdmin() |
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{ |
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return static::$has_default_admin; |
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} |
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/** |
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* Flush the default admin credentials |
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*/ |
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public static function clearDefaultAdmin() |
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{ |
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static::$has_default_admin = false; |
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static::$default_username = null; |
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static::$default_password = null; |
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} |
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/** |
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* @return Member|null |
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*/ |
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public function findOrCreateDefaultAdmin() |
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{ |
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$this->extend('beforeFindOrCreateDefaultAdmin'); |
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// Check if we have default admins |
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if (!static::hasDefaultAdmin()) { |
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return null; |
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} |
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// Find or create ADMIN group |
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Group::singleton()->requireDefaultRecords(); |
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$adminGroup = Permission::get_groups_by_permission('ADMIN')->first(); |
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if (!$adminGroup) { |
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Group::singleton()->requireDefaultRecords(); |
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$adminGroup = Permission::get_groups_by_permission('ADMIN')->first(); |
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} |
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// Find member |
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/** @skipUpgrade */ |
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$admin = Member::get() |
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->filter('Email', static::getDefaultAdminUsername()) |
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->first(); |
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// If no admin is found, create one |
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if (!$admin) { |
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// 'Password' is not set to avoid creating |
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// persistent logins in the database. See Security::setDefaultAdmin(). |
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// Set 'Email' to identify this as the default admin |
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$admin = Member::create(); |
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$admin->FirstName = _t(__CLASS__ . '.DefaultAdminFirstname', 'Default Admin'); |
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$admin->Email = static::getDefaultAdminUsername(); |
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$admin->write(); |
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} |
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// Ensure this user is in the admin group |
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if (!$admin->inGroup($adminGroup)) { |
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// Add member to group instead of adding group to member |
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// This bypasses the privilege escallation code in Member_GroupSet |
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$adminGroup |
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->DirectMembers() |
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->add($admin); |
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} |
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$this->extend('afterFindOrCreateDefaultAdmin', $admin); |
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return $admin; |
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} |
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/** |
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* Check if the user is a default admin. |
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* Returns false if there is no default admin. |
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* |
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* @param string $username |
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* @return bool |
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*/ |
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public static function isDefaultAdmin($username) |
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{ |
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return static::hasDefaultAdmin() |
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&& $username |
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&& $username === static::getDefaultAdminUsername(); |
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} |
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/** |
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* Check if the user credentials match the default admin. |
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* Returns false if there is no default admin. |
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* |
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* @param string $username |
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* @param string $password |
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* @return bool |
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*/ |
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public static function isDefaultAdminCredentials($username, $password) |
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{ |
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return static::isDefaultAdmin($username) |
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&& $password |
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&& $password === static::getDefaultAdminPassword(); |
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} |
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} |
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