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<?php |
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/****************************************************************************** |
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* Wikipedia Account Creation Assistance tool * |
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* * |
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* All code in this file is released into the public domain by the ACC * |
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* Development Team. Please see team.json for a list of contributors. * |
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******************************************************************************/ |
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namespace Waca\Security\CredentialProviders; |
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use Waca\DataObjects\User; |
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use Waca\Exceptions\ApplicationLogicException; |
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use Waca\Exceptions\OptimisticLockFailedException; |
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use Waca\PdoDatabase; |
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use Waca\SessionAlert; |
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use Waca\SiteConfiguration; |
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use Wikimedia\PasswordBlacklist\PasswordBlacklist; |
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use ZxcvbnPhp\Zxcvbn; |
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class PasswordCredentialProvider extends CredentialProviderBase |
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{ |
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const PASSWORD_COST = 10; |
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const PASSWORD_ALGO = PASSWORD_BCRYPT; |
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public function __construct(PdoDatabase $database, SiteConfiguration $configuration) |
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{ |
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parent::__construct($database, $configuration, 'password'); |
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} |
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public function authenticate(User $user, $data) |
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{ |
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$storedData = $this->getCredentialData($user->getId()); |
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if($storedData === null) |
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{ |
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// No available credential matching these parameters |
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return false; |
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} |
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if($storedData->getVersion() !== 2) { |
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// Non-2 versions are not supported. |
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return false; |
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} |
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if (!password_verify($data, $storedData->getData())) { |
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return false; |
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} |
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if (password_needs_rehash($storedData->getData(), self::PASSWORD_ALGO, |
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array('cost' => self::PASSWORD_COST))) { |
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try { |
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$this->reallySetCredential($user, $storedData->getFactor(), $data); |
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} |
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catch (OptimisticLockFailedException $e) { |
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// optimistic lock failed, but no biggie. We'll catch it on the next login. |
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} |
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} |
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$strengthTester = new Zxcvbn(); |
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$strength = $strengthTester->passwordStrength($data, [$user->getUsername(), $user->getOnWikiName(), $user->getEmail()]); |
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/* 0 means the password is extremely guessable (within 10^3 guesses), dictionary words like 'password' or 'mother' score a 0 |
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1 is still very guessable (guesses < 10^6), an extra character on a dictionary word can score a 1 |
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2 is somewhat guessable (guesses < 10^8), provides some protection from unthrottled online attacks |
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3 is safely unguessable (guesses < 10^10), offers moderate protection from offline slow-hash scenario |
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4 is very unguessable (guesses >= 10^10) and provides strong protection from offline slow-hash scenario */ |
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if ($strength['score'] <= 1 || PasswordBlacklist::isBlacklisted($data) || mb_strlen($data) < 8) { |
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// prevent login for extremely weak passwords |
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// at this point the user has authenticated via password, so they *know* it's weak. |
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SessionAlert::error('Your password is too weak to permit login. Please choose the "forgotten your password" option below and set a new one.', null); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param User $user |
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* @param int $factor |
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* @param string $password |
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* |
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* @throws OptimisticLockFailedException |
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*/ |
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private function reallySetCredential(User $user, int $factor, string $password) : void { |
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$storedData = $this->getCredentialData($user->getId()); |
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if ($storedData === null) { |
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$storedData = $this->createNewCredential($user); |
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} |
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$storedData->setData(password_hash($password, self::PASSWORD_ALGO, array('cost' => self::PASSWORD_COST))); |
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$storedData->setFactor($factor); |
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$storedData->setVersion(2); |
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$storedData->save(); |
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} |
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/** |
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* @param User $user |
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* @param int $factor |
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* @param string $password |
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* |
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* @throws ApplicationLogicException |
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* @throws OptimisticLockFailedException |
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*/ |
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public function setCredential(User $user, $factor, $password) |
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{ |
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if (PasswordBlacklist::isBlacklisted($password)) { |
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throw new ApplicationLogicException("Your new password is listed in the top 100,000 passwords. Please choose a stronger one.", null); |
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} |
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$strengthTester = new Zxcvbn(); |
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$strength = $strengthTester->passwordStrength($password, [$user->getUsername(), $user->getOnWikiName(), $user->getEmail()]); |
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/* 0 means the password is extremely guessable (within 10^3 guesses), dictionary words like 'password' or 'mother' score a 0 |
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1 is still very guessable (guesses < 10^6), an extra character on a dictionary word can score a 1 |
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2 is somewhat guessable (guesses < 10^8), provides some protection from unthrottled online attacks |
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3 is safely unguessable (guesses < 10^10), offers moderate protection from offline slow-hash scenario |
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4 is very unguessable (guesses >= 10^10) and provides strong protection from offline slow-hash scenario */ |
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if ($strength['score'] <= 2 || mb_strlen($password) < 8) { |
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throw new ApplicationLogicException("Your new password is too weak. Please choose a stronger one.", null); |
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} |
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if ($strength['score'] <= 3) { |
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SessionAlert::warning("Your new password is not as strong as it could be. Consider replacing it with a stronger password.", null); |
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} |
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$this->reallySetCredential($user, $factor, $password); |
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} |
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/** |
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* @param User $user |
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* |
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* @throws ApplicationLogicException |
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*/ |
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public function deleteCredential(User $user) |
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{ |
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throw new ApplicationLogicException('Deletion of password credential is not allowed.'); |
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} |
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} |
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enwikipedia-acc /
waca
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths