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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\Validation; |
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use Exception; |
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use Waca\DataObjects\Request; |
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use Waca\Helpers\HttpHelper; |
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use Waca\Helpers\Interfaces\IBanHelper; |
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use Waca\PdoDatabase; |
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use Waca\Providers\Interfaces\IAntiSpoofProvider; |
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use Waca\Providers\Interfaces\IXffTrustProvider; |
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use Waca\Providers\TorExitProvider; |
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/** |
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* Performs the validation of an incoming request. |
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*/ |
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class RequestValidationHelper |
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{ |
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/** @var IBanHelper */ |
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private $banHelper; |
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/** @var Request */ |
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private $request; |
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private $emailConfirmation; |
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/** @var PdoDatabase */ |
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private $database; |
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/** @var IAntiSpoofProvider */ |
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private $antiSpoofProvider; |
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/** @var IXffTrustProvider */ |
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private $xffTrustProvider; |
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/** @var HttpHelper */ |
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private $httpHelper; |
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/** |
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* @var string |
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*/ |
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private $mediawikiApiEndpoint; |
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private $titleBlacklistEnabled; |
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/** |
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* @var TorExitProvider |
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*/ |
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private $torExitProvider; |
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/** |
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* Summary of __construct |
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* |
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* @param IBanHelper $banHelper |
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* @param Request $request |
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* @param string $emailConfirmation |
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* @param PdoDatabase $database |
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* @param IAntiSpoofProvider $antiSpoofProvider |
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* @param IXffTrustProvider $xffTrustProvider |
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* @param HttpHelper $httpHelper |
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* @param string $mediawikiApiEndpoint |
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* @param boolean $titleBlacklistEnabled |
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* @param TorExitProvider $torExitProvider |
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*/ |
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public function __construct( |
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IBanHelper $banHelper, |
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Request $request, |
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$emailConfirmation, |
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PdoDatabase $database, |
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IAntiSpoofProvider $antiSpoofProvider, |
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IXffTrustProvider $xffTrustProvider, |
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HttpHelper $httpHelper, |
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$mediawikiApiEndpoint, |
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$titleBlacklistEnabled, |
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TorExitProvider $torExitProvider |
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) { |
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$this->banHelper = $banHelper; |
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$this->request = $request; |
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$this->emailConfirmation = $emailConfirmation; |
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$this->database = $database; |
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$this->antiSpoofProvider = $antiSpoofProvider; |
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$this->xffTrustProvider = $xffTrustProvider; |
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$this->httpHelper = $httpHelper; |
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$this->mediawikiApiEndpoint = $mediawikiApiEndpoint; |
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$this->titleBlacklistEnabled = $titleBlacklistEnabled; |
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$this->torExitProvider = $torExitProvider; |
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} |
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/** |
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* Summary of validateName |
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* @return ValidationError[] |
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*/ |
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public function validateName() |
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{ |
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$errorList = array(); |
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// ERRORS |
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// name is empty |
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if (trim($this->request->getName()) == "") { |
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$errorList[ValidationError::NAME_EMPTY] = new ValidationError(ValidationError::NAME_EMPTY); |
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} |
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// username already exists |
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if ($this->userExists()) { |
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$errorList[ValidationError::NAME_EXISTS] = new ValidationError(ValidationError::NAME_EXISTS); |
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} |
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// username part of SUL account |
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if ($this->userSulExists()) { |
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// using same error slot as name exists - it's the same sort of error, and we probably only want to show one. |
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$errorList[ValidationError::NAME_EXISTS] = new ValidationError(ValidationError::NAME_EXISTS_SUL); |
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} |
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// username is numbers |
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if (preg_match("/^[0-9]+$/", $this->request->getName()) === 1) { |
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$errorList[ValidationError::NAME_NUMONLY] = new ValidationError(ValidationError::NAME_NUMONLY); |
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} |
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// username can't contain #@/<>[]|{} |
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if (preg_match("/[" . preg_quote("#@/<>[]|{}", "/") . "]/", $this->request->getName()) === 1) { |
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$errorList[ValidationError::NAME_INVALIDCHAR] = new ValidationError(ValidationError::NAME_INVALIDCHAR); |
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} |
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// existing non-closed request for this name |
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if ($this->nameRequestExists()) { |
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$errorList[ValidationError::OPEN_REQUEST_NAME] = new ValidationError(ValidationError::OPEN_REQUEST_NAME); |
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} |
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return $errorList; |
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} |
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/** |
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* Summary of validateEmail |
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* @return ValidationError[] |
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*/ |
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public function validateEmail() |
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{ |
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$errorList = array(); |
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// ERRORS |
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// email addresses must match |
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if ($this->request->getEmail() != $this->emailConfirmation) { |
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$errorList[ValidationError::EMAIL_MISMATCH] = new ValidationError(ValidationError::EMAIL_MISMATCH); |
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} |
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// email address must be validly formed |
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if (trim($this->request->getEmail()) == "") { |
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$errorList[ValidationError::EMAIL_EMPTY] = new ValidationError(ValidationError::EMAIL_EMPTY); |
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} |
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// email address must be validly formed |
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if (!filter_var($this->request->getEmail(), FILTER_VALIDATE_EMAIL)) { |
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if (trim($this->request->getEmail()) != "") { |
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$errorList[ValidationError::EMAIL_INVALID] = new ValidationError(ValidationError::EMAIL_INVALID); |
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} |
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} |
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// email address can't be wikimedia/wikipedia .com/org |
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if (preg_match('/.*@.*wiki(m.dia|p.dia)\.(org|com)/i', $this->request->getEmail()) === 1) { |
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$errorList[ValidationError::EMAIL_WIKIMEDIA] = new ValidationError(ValidationError::EMAIL_WIKIMEDIA); |
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} |
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// WARNINGS |
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return $errorList; |
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} |
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/** |
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* Summary of validateOther |
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* @return ValidationError[] |
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*/ |
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public function validateOther() |
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{ |
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$errorList = array(); |
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$trustedIp = $this->xffTrustProvider->getTrustedClientIp($this->request->getIp(), |
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$this->request->getForwardedIp()); |
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// ERRORS |
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// TOR nodes |
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if ($this->torExitProvider->isTorExit($trustedIp)) { |
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$errorList[ValidationError::BANNED] = new ValidationError(ValidationError::BANNED_TOR); |
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} |
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// Bans |
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if ($this->banHelper->isBanned($this->request)) { |
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$errorList[ValidationError::BANNED] = new ValidationError(ValidationError::BANNED); |
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} |
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// WARNINGS |
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// Antispoof check |
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$this->checkAntiSpoof(); |
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// Blacklist check |
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$this->checkTitleBlacklist(); |
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return $errorList; |
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} |
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private function checkAntiSpoof() |
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{ |
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try { |
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if (count($this->antiSpoofProvider->getSpoofs($this->request->getName())) > 0) { |
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// If there were spoofs an Admin should handle the request. |
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$this->request->setStatus("Flagged users"); |
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} |
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} |
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catch (Exception $ex) { |
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// logme |
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} |
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} |
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private function checkTitleBlacklist() |
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{ |
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if ($this->titleBlacklistEnabled == 1) { |
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$apiResult = $this->httpHelper->get( |
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$this->mediawikiApiEndpoint, |
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array( |
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'action' => 'titleblacklist', |
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'tbtitle' => $this->request->getName(), |
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'tbaction' => 'new-account', |
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'tbnooverride' => true, |
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'format' => 'php', |
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) |
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); |
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$data = unserialize($apiResult); |
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$requestIsOk = $data['titleblacklist']['result'] == "ok"; |
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if (!$requestIsOk) { |
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$this->request->setStatus("Flagged users"); |
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} |
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} |
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} |
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private function userExists() |
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{ |
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$userExists = $this->httpHelper->get( |
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$this->mediawikiApiEndpoint, |
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array( |
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'action' => 'query', |
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'list' => 'users', |
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'ususers' => $this->request->getName(), |
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'format' => 'php', |
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) |
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); |
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$ue = unserialize($userExists); |
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if (!isset ($ue['query']['users']['0']['missing']) && isset ($ue['query']['users']['0']['userid'])) { |
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return true; |
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} |
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return false; |
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} |
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private function userSulExists() |
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{ |
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$requestName = $this->request->getName(); |
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$userExists = $this->httpHelper->get( |
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$this->mediawikiApiEndpoint, |
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array( |
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'action' => 'query', |
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'meta' => 'globaluserinfo', |
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'guiuser' => $requestName, |
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'format' => 'php', |
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) |
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); |
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$ue = unserialize($userExists); |
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if (isset ($ue['query']['globaluserinfo']['id'])) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Checks if a request with this name is currently open |
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* |
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* @return bool |
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*/ |
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private function nameRequestExists() |
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{ |
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$query = "SELECT COUNT(id) FROM request WHERE status != 'Closed' AND name = :name;"; |
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$statement = $this->database->prepare($query); |
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$statement->execute(array(':name' => $this->request->getName())); |
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if (!$statement) { |
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return false; |
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} |
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return $statement->fetchColumn() > 0; |
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} |
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} |
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enwikipedia-acc /
waca
