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                <?php declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace SilverStripe\MFA\Extension\AccountReset;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\Forms\FieldList;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\ORM\DataExtension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\ORM\DataObject;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\ORM\FieldType\DBDatetime;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\Security\Member;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\Security\RandomGenerator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Provides DB columns / methods for account resets on Members  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package SilverStripe\MFA\Extension  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @property Member&MemberExtension owner  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @property string AccountResetHash  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @property DBDatetime AccountResetExpired  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class MemberExtension extends DataExtension  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private static $db = [  | 
            
                            
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                        'AccountResetHash' => 'Varchar(160)',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'AccountResetExpired' => 'Datetime',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function updateCMSFields(FieldList $fields)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fields->removeByName(['AccountResetHash', 'AccountResetExpired']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $fields;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Mirrors the implementation in Member::generateAutologinTokenAndStoreHash(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * but against the AccountReset fields.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function generateAccountResetTokenAndStoreHash(): string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $lifetime = $this->owner->config()->auto_login_token_lifetime;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $generator = new RandomGenerator();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        do { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $token = $generator->randomToken();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $hash = $this->owner->encryptWithUserSettings($token);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        } while (DataObject::get_one(Member::class, [  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            '"Member"."AccountResetHash"' => $hash,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ]));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->owner->AccountResetHash = $hash;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->owner->AccountResetExpired = DBDatetime::create()->setValue(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            DBDatetime::now()->getTimestamp() + $lifetime  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        )->Rfc2822();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->owner->write();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $token;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Based on Member::validateAutoLoginToken() and Member::member_from_autologinhash().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $token  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function verifyAccountResetToken(string $token): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$this->owner->exists()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $hash = $this->owner->encryptWithUserSettings($token);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->owner->AccountResetHash === $hash &&  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->owner->AccountResetExpired >= DBDatetime::now()->getValue()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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