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Initial PKT implementation 

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
This commit is contained in:
Roeland Jago Douma 2018-05-18 19:48:08 +02:00
parent 8eec3a9c9a
commit 02e0af1287
No known key found for this signature in database
GPG Key ID: F941078878347C0C
8 changed files with 678 additions and 11 deletions
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3
lib/composer/composer/autoload_classmap.php
View File

@ -422,6 +422,9 @@ return array(
'OC\\Authentication\\Token\\IProvider' => $baseDir . '/lib/private/Authentication/Token/IProvider.php',
'OC\\Authentication\\Token\\IToken' => $baseDir . '/lib/private/Authentication/Token/IToken.php',
'OC\\Authentication\\Token\\Manager' => $baseDir . '/lib/private/Authentication/Token/Manager.php',
'OC\\Authentication\\Token\\PublicKeyToken' => $baseDir . '/lib/private/Authentication/Token/PublicKeyToken.php',
'OC\\Authentication\\Token\\PublicKeyTokenMapper' => $baseDir . '/lib/private/Authentication/Token/PublicKeyTokenMapper.php',
'OC\\Authentication\\Token\\PublicKeyTokenProvider' => $baseDir . '/lib/private/Authentication/Token/PublicKeyTokenProvider.php',
'OC\\Authentication\\TwoFactorAuth\\Manager' => $baseDir . '/lib/private/Authentication/TwoFactorAuth/Manager.php',
'OC\\Avatar' => $baseDir . '/lib/private/Avatar.php',
'OC\\AvatarManager' => $baseDir . '/lib/private/AvatarManager.php',

3
lib/composer/composer/autoload_static.php
View File

@ -452,6 +452,9 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
'OC\\Authentication\\Token\\IProvider' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/IProvider.php',
'OC\\Authentication\\Token\\IToken' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/IToken.php',
'OC\\Authentication\\Token\\Manager' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/Manager.php',
'OC\\Authentication\\Token\\PublicKeyToken' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/PublicKeyToken.php',
'OC\\Authentication\\Token\\PublicKeyTokenMapper' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/PublicKeyTokenMapper.php',
'OC\\Authentication\\Token\\PublicKeyTokenProvider' => __DIR__ . '/../../..' . '/lib/private/Authentication/Token/PublicKeyTokenProvider.php',
'OC\\Authentication\\TwoFactorAuth\\Manager' => __DIR__ . '/../../..' . '/lib/private/Authentication/TwoFactorAuth/Manager.php',
'OC\\Avatar' => __DIR__ . '/../../..' . '/lib/private/Avatar.php',
'OC\\AvatarManager' => __DIR__ . '/../../..' . '/lib/private/AvatarManager.php',

7
lib/private/Authentication/Token/DefaultToken.php
View File

@ -37,6 +37,7 @@ use OCP\AppFramework\Db\Entity;
* @method void setRemember(int $remember)
* @method void setLastActivity(int $lastactivity)
* @method int getLastActivity()
* @method void setVersion(int $version)
*/
class DefaultToken extends Entity implements IToken {
@ -73,6 +74,9 @@ class DefaultToken extends Entity implements IToken {
/** @var int */
protected $expires;
/** @var int */
protected $version;
public function __construct() {
$this->addType('uid', 'string');
$this->addType('loginName', 'string');
@ -85,6 +89,9 @@ class DefaultToken extends Entity implements IToken {
$this->addType('lastCheck', 'int');
$this->addType('scope', 'string');
$this->addType('expires', 'int');
$this->addType('version', 'int');
$this->setVersion(1);
}
public function getId(): int {

20
lib/private/Authentication/Token/DefaultTokenMapper.php
View File

@ -50,8 +50,8 @@ class DefaultTokenMapper extends QBMapper {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('token', $qb->createParameter('token')))
->setParameter('token', $token)
->where($qb->expr()->eq('token', $qb->createNamedParameter($token, IQueryBuilder::PARAM_STR)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)))
->execute();
}
@ -66,6 +66,7 @@ class DefaultTokenMapper extends QBMapper {
->where($qb->expr()->lt('last_activity', $qb->createNamedParameter($olderThan, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('type', $qb->createNamedParameter(IToken::TEMPORARY_TOKEN, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('remember', $qb->createNamedParameter($remember, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)))
->execute();
}
@ -79,9 +80,10 @@ class DefaultTokenMapper extends QBMapper {
public function getToken(string $token): DefaultToken {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$result = $qb->select('*')
$result = $qb->select('id', 'uid', 'login_name', 'password', 'name', 'token', 'type', 'remember', 'last_activity', 'last_check', 'scope', 'expires', 'version')
->from('authtoken')
->where($qb->expr()->eq('token', $qb->createNamedParameter($token)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)))
->execute();
$data = $result->fetch();
@ -102,9 +104,10 @@ class DefaultTokenMapper extends QBMapper {
public function getTokenById(int $id): DefaultToken {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$result = $qb->select('*')
$result = $qb->select('id', 'uid', 'login_name', 'password', 'name', 'token', 'type', 'remember', 'last_activity', 'last_check', 'scope', 'expires', 'version')
->from('authtoken')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)))
->execute();
$data = $result->fetch();
@ -127,9 +130,10 @@ class DefaultTokenMapper extends QBMapper {
public function getTokenByUser(IUser $user): array {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->select('*')
$qb->select('id', 'uid', 'login_name', 'password', 'name', 'token', 'type', 'remember', 'last_activity', 'last_check', 'scope', 'expires', 'version')
->from('authtoken')
->where($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)))
->setMaxResults(1000);
$result = $qb->execute();
$data = $result->fetchAll();
@ -151,7 +155,8 @@ class DefaultTokenMapper extends QBMapper {
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())));
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)));
$qb->execute();
}
@ -163,7 +168,8 @@ class DefaultTokenMapper extends QBMapper {
public function deleteByName(string $name) {
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('name', $qb->createNamedParameter($name), IQueryBuilder::PARAM_STR));
->where($qb->expr()->eq('name', $qb->createNamedParameter($name), IQueryBuilder::PARAM_STR))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)));
$qb->execute();
}

8
lib/private/Authentication/Token/Manager.php
View File

@ -76,9 +76,9 @@ class Manager implements IProvider {
public function updateToken(IToken $token) {
if ($token instanceof DefaultToken) {
$this->defaultTokenProvider->updateToken($token);
} else {
throw new InvalidTokenException();
}
throw new InvalidTokenException();
}
/**
@ -90,9 +90,9 @@ class Manager implements IProvider {
public function updateTokenActivity(IToken $token) {
if ($token instanceof DefaultToken) {
$this->defaultTokenProvider->updateTokenActivity($token);
} else {
throw new InvalidTokenException();
}
throw new InvalidTokenException();
}
/**

216
lib/private/Authentication/Token/PublicKeyToken.php Normal file
View File

@ -0,0 +1,216 @@
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Authentication\Token;
use OCP\AppFramework\Db\Entity;
/**
* @method void setId(int $id)
* @method void setUid(string $uid);
* @method void setLoginName(string $loginname)
* @method void setName(string $name)
* @method string getToken()
* @method void setType(int $type)
* @method int getType()
* @method void setRemember(int $remember)
* @method void setLastActivity(int $lastactivity)
* @method int getLastActivity()
* @method string getPrivateKey()
* @method void setPrivateKey(string $key)
* @method string getPublicKey()
* @method void setPublicKey(string $key)
* @method void setVersion(int $version)
*/
class PublicKeyToken extends Entity implements IToken {
/** @var string user UID */
protected $uid;
/** @var string login name used for generating the token */
protected $loginName;
/** @var string encrypted user password */
protected $password;
/** @var string token name (e.g. browser/OS) */
protected $name;
/** @var string */
protected $token;
/** @var int */
protected $type;
/** @var int */
protected $remember;
/** @var int */
protected $lastActivity;
/** @var int */
protected $lastCheck;
/** @var string */
protected $scope;
/** @var int */
protected $expires;
/** @var string */
protected $privateKey;
/** @var string */
protected $publicKey;
/** @var int */
protected $version;
public function __construct() {
$this->addType('uid', 'string');
$this->addType('loginName', 'string');
$this->addType('password', 'string');
$this->addType('name', 'string');
$this->addType('token', 'string');
$this->addType('type', 'int');
$this->addType('remember', 'int');
$this->addType('lastActivity', 'int');
$this->addType('lastCheck', 'int');
$this->addType('scope', 'string');
$this->addType('expires', 'int');
$this->addType('publicKey', 'string');
$this->addType('privateKey', 'string');
$this->addType('version', 'int');
$this->setVersion(2);
}
public function getId(): int {
return $this->id;
}
public function getUID(): string {
return $this->uid;
}
/**
* Get the login name used when generating the token
*
* @return string
*/
public function getLoginName(): string {
return parent::getLoginName();
}
/**
* Get the (encrypted) login password
*
* @return string|null
*/
public function getPassword() {
return parent::getPassword();
}
public function jsonSerialize() {
return [
'id' => $this->id,
'name' => $this->name,
'lastActivity' => $this->lastActivity,
'type' => $this->type,
'scope' => $this->getScopeAsArray()
];
}
/**
* Get the timestamp of the last password check
*
* @return int
*/
public function getLastCheck(): int {
return parent::getLastCheck();
}
/**
* Get the timestamp of the last password check
*
* @param int $time
*/
public function setLastCheck(int $time) {
parent::setLastCheck($time);
}
public function getScope(): string {
$scope = parent::getScope();
if ($scope === null) {
return '';
}
return $scope;
}
public function getScopeAsArray(): array {
$scope = json_decode($this->getScope(), true);
if (!$scope) {
return [
'filesystem'=> true
];
}
return $scope;
}
public function setScope($scope) {
if (\is_array($scope)) {
parent::setScope(json_encode($scope));
} else {
parent::setScope((string)$scope);
}
}
public function getName(): string {
return parent::getName();
}
public function getRemember(): int {
return parent::getRemember();
}
public function setToken(string $token) {
parent::setToken($token);
}
public function setPassword(string $password = null) {
parent::setPassword($password);
}
public function setExpires($expires) {
parent::setExpires($expires);
}
/**
* @return int|null
*/
public function getExpires() {
return parent::getExpires();
}
}

167
lib/private/Authentication/Token/PublicKeyTokenMapper.php Normal file
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@ -0,0 +1,167 @@
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Authentication\Token;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\QBMapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\IUser;
class PublicKeyTokenMapper extends QBMapper {
public function __construct(IDBConnection $db) {
parent::__construct($db, 'authtoken');
}
/**
* Invalidate (delete) a given token
*
* @param string $token
*/
public function invalidate(string $token) {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('token', $qb->createNamedParameter($token)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)))
->execute();
}
/**
* @param int $olderThan
* @param int $remember
*/
public function invalidateOld(int $olderThan, int $remember = IToken::DO_NOT_REMEMBER) {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->lt('last_activity', $qb->createNamedParameter($olderThan, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('type', $qb->createNamedParameter(IToken::TEMPORARY_TOKEN, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('remember', $qb->createNamedParameter($remember, IQueryBuilder::PARAM_INT)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)))
->execute();
}
/**
* Get the user UID for the given token
*
* @throws DoesNotExistException
*/
public function getToken(string $token): PublicKeyToken {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$result = $qb->select('*')
->from('authtoken')
->where($qb->expr()->eq('token', $qb->createNamedParameter($token)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)))
->execute();
$data = $result->fetch();
$result->closeCursor();
if ($data === false) {
throw new DoesNotExistException('token does not exist');
}
return PublicKeyToken::fromRow($data);
}
/**
* Get the token for $id
*
* @throws DoesNotExistException
*/
public function getTokenById(int $id): PublicKeyToken {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$result = $qb->select('*')
->from('authtoken')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)))
->execute();
$data = $result->fetch();
$result->closeCursor();
if ($data === false) {
throw new DoesNotExistException('token does not exist');
}
return PublicKeyToken::fromRow($data);
}
/**
* Get all tokens of a user
*
* The provider may limit the number of result rows in case of an abuse
* where a high number of (session) tokens is generated
*
* @param IUser $user
* @return DefaultToken[]
*/
public function getTokenByUser(IUser $user): array {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from('authtoken')
->where($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)))
->setMaxResults(1000);
$result = $qb->execute();
$data = $result->fetchAll();
$result->closeCursor();
$entities = array_map(function ($row) {
return PublicKeyToken::fromRow($row);
}, $data);
return $entities;
}
/**
* @param IUser $user
* @param int $id
*/
public function deleteById(IUser $user, int $id) {
/* @var $qb IQueryBuilder */
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)));
$qb->execute();
}
/**
* delete all auth token which belong to a specific client if the client was deleted
*
* @param string $name
*/
public function deleteByName(string $name) {
$qb = $this->db->getQueryBuilder();
$qb->delete('authtoken')
->where($qb->expr()->eq('name', $qb->createNamedParameter($name), IQueryBuilder::PARAM_STR))
->andWhere($qb->expr()->eq('version', $qb->createNamedParameter(2, IQueryBuilder::PARAM_INT)));
$qb->execute();
}
}

265
lib/private/Authentication/Token/PublicKeyTokenProvider.php Normal file
View File

@ -0,0 +1,265 @@
<?php
declare(strict_types=1);
/**
* @copyright Copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Authentication\Token;
use OC\Authentication\Exceptions\InvalidTokenException;
use OC\Authentication\Exceptions\PasswordlessTokenException;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IUser;
use OCP\Security\ICrypto;
class PublicKeyTokenProvider implements IProvider {
/** @var PublicKeyTokenMapper */
private $mapper;
/** @var ICrypto */
private $crypto;
/** @var IConfig */
private $config;
/** @var ILogger $logger */
private $logger;
/** @var ITimeFactory $time */
private $time;
public function __construct(PublicKeyTokenMapper $mapper,
ICrypto $crypto,
IConfig $config,
ILogger $logger,
ITimeFactory $time) {
$this->mapper = $mapper;
$this->crypto = $crypto;
$this->config = $config;
$this->logger = $logger;
$this->time = $time;
}
public function generateToken(string $token,
string $uid,
string $loginName,
$password,
string $name,
int $type = IToken::TEMPORARY_TOKEN,
int $remember = IToken::DO_NOT_REMEMBER): IToken {
$dbToken = new PublicKeyToken();
$dbToken->setUid($uid);
$dbToken->setLoginName($loginName);
$config = [
'digest_alg' => 'sha512',
'private_key_bits' => 2048,
];
// Generate new key
$res = openssl_pkey_new($config);
openssl_pkey_export($res, $privateKey);
// Extract the public key from $res to $pubKey
$publicKey = openssl_pkey_get_details($res);
$publicKey = $publicKey['key'];
$dbToken->setPublicKey($publicKey);
$dbToken->setPrivateKey($this->encrypt($privateKey, $token));
if (!is_null($password)) {
$dbToken->setPassword($this->encryptPassword($password, $publicKey));
}
$dbToken->setName($name);
$dbToken->setToken($this->hashToken($token));
$dbToken->setType($type);
$dbToken->setRemember($remember);
$dbToken->setLastActivity($this->time->getTime());
$dbToken->setLastCheck($this->time->getTime());
$this->mapper->insert($dbToken);
return $dbToken;
}
public function getToken(string $tokenId): IToken {
try {
$token = $this->mapper->getToken($this->hashToken($tokenId));
} catch (DoesNotExistException $ex) {
throw new InvalidTokenException();
}
if ($token->getExpires() !== null && $token->getExpires() < $this->time->getTime()) {
throw new ExpiredTokenException($token);
}
return $token;
}
public function getTokenById(int $tokenId): IToken {
try {
$token = $this->mapper->getTokenById($tokenId);
} catch (DoesNotExistException $ex) {
throw new InvalidTokenException();
}
if ($token->getExpires() !== null && $token->getExpires() < $this->time->getTime()) {
throw new ExpiredTokenException($token);
}
return $token;
}
public function renewSessionToken(string $oldSessionId, string $sessionId) {
$token = $this->getToken($oldSessionId);
$password = null;
if (!is_null($token->getPassword())) {
$password = $this->decryptPassword($token->getPassword(), $oldSessionId);
}
$this->generateToken(
$sessionId,
$token->getUID(),
$token->getLoginName(),
$password,
$token->getName(),
IToken::TEMPORARY_TOKEN,
$token->getRemember()
);
$this->mapper->delete($token);
}
public function invalidateToken(string $token) {
$this->mapper->invalidate($this->hashToken($token));
}
public function invalidateTokenById(IUser $user, int $id) {
$this->mapper->deleteById($user, $id);
}
public function invalidateOldTokens() {
$olderThan = $this->time->getTime() - (int) $this->config->getSystemValue('session_lifetime', 60 * 60 * 24);
$this->logger->debug('Invalidating session tokens older than ' . date('c', $olderThan), ['app' => 'cron']);
$this->mapper->invalidateOld($olderThan, IToken::DO_NOT_REMEMBER);
$rememberThreshold = $this->time->getTime() - (int) $this->config->getSystemValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
$this->logger->debug('Invalidating remembered session tokens older than ' . date('c', $rememberThreshold), ['app' => 'cron']);
$this->mapper->invalidateOld($rememberThreshold, IToken::REMEMBER);
}
public function updateToken(IToken $token) {
if (!($token instanceof PublicKeyToken)) {
throw new InvalidTokenException();
}
$this->mapper->update($token);
}
public function updateTokenActivity(IToken $token) {
if (!($token instanceof PublicKeyToken)) {
throw new InvalidTokenException();
}
/** @var DefaultToken $token */
$now = $this->time->getTime();
if ($token->getLastActivity() < ($now - 60)) {
// Update token only once per minute
$token->setLastActivity($now);
$this->mapper->update($token);
}
}
public function getTokenByUser(IUser $user): array {
return $this->mapper->getTokenByUser($user);
}
public function getPassword(IToken $token, string $tokenId): string {
if (!($token instanceof PublicKeyToken)) {
throw new InvalidTokenException();
}
// Decrypt private key with tokenId
$privateKey = $this->decrypt($token->getPrivateKey(), $tokenId);
// Decrypt password with private key
return $this->decryptPassword($token->getPassword(), $privateKey);
}
public function setPassword(IToken $token, string $tokenId, string $password) {
// Kill all temp tokens except the current token
// Update pass for all permanent tokens by rencrypting
}
public function rotate(IToken $token, string $oldTokenId, string $newTokenId): IToken {
if (!($token instanceof PublicKeyToken)) {
throw new InvalidTokenException();
}
// Decrypt private key with oldTokenId
$privateKey = $this->decrypt($token->getPrivateKey(), $oldTokenId);
// Encrypt with the new token
$token->setPrivateKey($this->encrypt($privateKey, $newTokenId));
$token->setToken($this->hashToken($newTokenId));
$this->updateToken($token);
return $token;
}
private function encrypt(string $plaintext, string $token): string {
$secret = $this->config->getSystemValue('secret');
return $this->crypto->encrypt($plaintext, $token . $secret);
}
/**
* @throws InvalidTokenException
*/
private function decrypt(string $cipherText, string $token): string {
$secret = $this->config->getSystemValue('secret');
try {
return $this->crypto->decrypt($cipherText, $token . $secret);
} catch (\Exception $ex) {
// Delete the invalid token
$this->invalidateToken($token);
throw new InvalidTokenException();
}
}
private function encryptPassword(string $password, string $publicKey): string {
openssl_public_encrypt($password, $encryptedPassword, $publicKey, OPENSSL_PKCS1_OAEP_PADDING);
return $encryptedPassword;
}
private function decryptPassword(string $encryptedPassword, string $privateKey): string {
openssl_private_decrypt($encryptedPassword, $password, $privateKey, OPENSSL_PKCS1_OAEP_PADDING);
return $password;
}
private function hashToken(string $token): string {
$secret = $this->config->getSystemValue('secret');
return hash('sha512', $token . $secret);
}
}