socialbox-php/src/Socialbox/Classes/StandardMethods/Verification/VerificationGetImageCaptcha.php

74 lines
No EOL
2.8 KiB
PHP

<?php
namespace Socialbox\Classes\StandardMethods\Verification;
use Gregwar\Captcha\CaptchaBuilder;
use Socialbox\Abstracts\Method;
use Socialbox\Enums\Flags\SessionFlags;
use Socialbox\Enums\StandardError;
use Socialbox\Exceptions\DatabaseOperationException;
use Socialbox\Exceptions\Standard\StandardRpcException;
use Socialbox\Interfaces\SerializableInterface;
use Socialbox\Managers\CaptchaManager;
use Socialbox\Objects\ClientRequest;
use Socialbox\Objects\RpcRequest;
use Socialbox\Objects\Standard\ImageCaptchaVerification;
class VerificationGetImageCaptcha extends Method
{
/**
* @inheritDoc
*/
public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
{
try
{
$session = $request->getSession();
}
catch (DatabaseOperationException $e)
{
throw new StandardRpcException('An error occurred while trying to get the session', StandardError::INTERNAL_SERVER_ERROR, $e);
}
// Check for session conditions
if(!$session->flagExists(SessionFlags::VER_IMAGE_CAPTCHA))
{
return $rpcRequest->produceError(StandardError::METHOD_NOT_ALLOWED, 'Solving an image captcha is not required at this time');
}
try
{
$peer = $request->getPeer();
if(CaptchaManager::captchaExists($peer))
{
$captchaRecord = CaptchaManager::getCaptcha($peer);
if($captchaRecord->isExpired())
{
$answer = CaptchaManager::createCaptcha($peer);
$captchaRecord = CaptchaManager::getCaptcha($peer);
}
else
{
$answer = $captchaRecord->getAnswer();
}
}
else
{
$answer = CaptchaManager::createCaptcha($peer);
$captchaRecord = CaptchaManager::getCaptcha($peer);
}
}
catch (DatabaseOperationException $e)
{
throw new StandardRpcException("There was an unexpected error while trying create the captcha", StandardError::INTERNAL_SERVER_ERROR, $e);
}
// Build the captcha
// Returns HTML base64 encoded image of the captcha
// Important note: Must always be data URI scheme eg; data:content/type;base64,
return $rpcRequest->produceResponse(new ImageCaptchaVerification([
'expires' => $captchaRecord->getExpires(),
'content' => (new CaptchaBuilder($answer))->build()->inline()
]));
}
}