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<?php |
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/****************************************************************************** |
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* Wikipedia Account Creation Assistance tool * |
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* ACC Development Team. Please see team.json for a list of contributors. * |
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* * |
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* This is free and unencumbered software released into the public domain. * |
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* Please see LICENSE.md for the full licencing statement. * |
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******************************************************************************/ |
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namespace Waca\Security; |
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use PDO; |
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use Waca\DataObjects\User; |
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use Waca\Helpers\HttpHelper; |
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use Waca\PdoDatabase; |
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use Waca\Security\CredentialProviders\ICredentialProvider; |
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use Waca\Security\CredentialProviders\PasswordCredentialProvider; |
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use Waca\Security\CredentialProviders\ScratchTokenCredentialProvider; |
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use Waca\Security\CredentialProviders\TotpCredentialProvider; |
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use Waca\Security\CredentialProviders\YubikeyOtpCredentialProvider; |
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use Waca\SiteConfiguration; |
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class AuthenticationManager |
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{ |
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const AUTH_OK = 1; |
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const AUTH_FAIL = 2; |
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const AUTH_REQUIRE_NEXT_STAGE = 3; |
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private $typeMap = array(); |
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/** |
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* @var PdoDatabase |
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*/ |
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private $database; |
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/** |
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* AuthenticationManager constructor. |
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* |
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* @param PdoDatabase $database |
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* @param SiteConfiguration $siteConfiguration |
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* @param HttpHelper $httpHelper |
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*/ |
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public function __construct(PdoDatabase $database, SiteConfiguration $siteConfiguration, HttpHelper $httpHelper) |
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{ |
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// setup providers |
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// note on type map: this *must* be the value in the database, as this is what it maps. |
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$this->typeMap['password'] = new PasswordCredentialProvider($database, $siteConfiguration); |
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$this->typeMap['yubikeyotp'] = new YubikeyOtpCredentialProvider($database, $siteConfiguration, $httpHelper); |
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$this->typeMap['totp'] = new TotpCredentialProvider($database, $siteConfiguration); |
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$this->typeMap['scratch'] = new ScratchTokenCredentialProvider($database, $siteConfiguration); |
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$this->database = $database; |
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} |
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public function authenticate(User $user, $data, $stage) |
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{ |
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$sql = 'SELECT type FROM credential WHERE user = :user AND factor = :stage AND disabled = 0 ORDER BY priority ASC'; |
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$statement = $this->database->prepare($sql); |
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$statement->execute(array(':user' => $user->getId(), ':stage' => $stage)); |
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$options = $statement->fetchAll(PDO::FETCH_COLUMN); |
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$sql = 'SELECT count(DISTINCT factor) FROM credential WHERE user = :user AND factor > :stage AND disabled = 0 AND type <> :scratch'; |
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$statement = $this->database->prepare($sql); |
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$statement->execute(array(':user' => $user->getId(), ':stage' => $stage, ':scratch' => 'scratch')); |
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$requiredFactors = $statement->fetchColumn(); |
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// prep the correct OK response based on how many factors are ahead of this one |
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$success = self::AUTH_OK; |
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if ($requiredFactors > 0) { |
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$success = self::AUTH_REQUIRE_NEXT_STAGE; |
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} |
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foreach ($options as $type) { |
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if (!isset($this->typeMap[$type])) { |
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// does this type have a credentialProvider registered? |
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continue; |
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} |
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/** @var ICredentialProvider $credentialProvider */ |
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$credentialProvider = $this->typeMap[$type]; |
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if ($credentialProvider->authenticate($user, $data)) { |
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return $success; |
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} |
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} |
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// We've iterated over all the available providers for this stage. |
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// They all hate you. |
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return self::AUTH_FAIL; |
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} |
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} |
enwikipedia-acc /
waca
