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php-decrypt data crypted using js

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Marc Ducobu 2021-11-19 14:19:41 +01:00 committed by marcu
parent 1bf595334e
commit a7af7e7874
1 changed files with 43 additions and 12 deletions
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55
src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php
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@ -26,6 +26,10 @@ use PhpOffice\PhpWord\TemplateProcessor;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\HeaderUtils;
use ChampsLibres\AsyncUploaderBundle\TempUrl\TempUrlOpenstackGenerator;
use Jose\Component\Core\JWK;
use Base64Url\Base64Url;
// TODO à mettre dans services
use Symfony\Component\HttpFoundation\Response;
@ -48,11 +52,39 @@ class DocGeneratorTemplateController extends AbstractController
): Response {
$getUrlGen = $tempUrlGenerator->generate(
'GET',
$template->getFile()
);
$template->getFile()->getFilename());
$tmpfname = tempnam(sys_get_temp_dir(), 'DOC_TEMPLATE');
file_put_contents($tmpfname, file_get_contents($getUrlGen->url));
$data = file_get_contents($getUrlGen->url);
$iv = $template->getFile()->getIv(); // iv as an Array
$ivGoodFormat = pack('C*', ...$iv); // iv as a String (ok for openssl_decrypt)
$method = 'AES-256-CBC';
$key = $template->getFile()->getKeyInfos()['k'];
$keyGoodFormat = Base64Url::decode($key);
$dataDecrypted = openssl_decrypt($data, $method, $keyGoodFormat, 1, $ivGoodFormat);
if ($dataDecrypted === FALSE) {
throw new \Exception("Error during Decrypt ", 1);
}
$tmpfnameDeCrypted = tempnam(sys_get_temp_dir(), 'DECRYPT_DOC_TEMPLATE');
if (!$handle = fopen($tmpfnameDeCrypted, 'a')) {
echo "Cannot open file ($tmpfnameDeCrypted)";
exit;
}
if (fwrite($handle, $dataDecrypted) === FALSE) {
echo "Cannot write to file ($tmpfnameDeCrypted)";
exit;
}
dump("Success, wrote ($dataDecrypted) to file ($tmpfnameDeCrypted)");
fclose($handle);
$entity = $this->getDoctrine()->getRepository($entityClassName)->find($entityId);
@ -63,7 +95,7 @@ class DocGeneratorTemplateController extends AbstractController
throw new Exception('Not implemented', 1);
}
$templateProcessor = new TemplateProcessor($tmpfname);
$templateProcessor = new TemplateProcessor($tmpfnameDeCrypted);
foreach ($datas['setValues'] as $setValuesConf) {
$templateProcessor->setValues($setValuesConf);
@ -73,12 +105,10 @@ class DocGeneratorTemplateController extends AbstractController
$templateProcessor->cloneRowAndSetValues($cloneRowAndSetValues[0], $cloneRowAndSetValues[1]);
}
$tmpfname2 = tempnam(sys_get_temp_dir(), 'DOC_GENERATED');
$templateProcessor->saveAs($tmpfname2);
$tmpfnameGenerated = tempnam(sys_get_temp_dir(), 'DOC_GENERATED');
$templateProcessor->saveAs($tmpfnameGenerated);
unlink($tmpfname);
$fileContent = fopen($tmpfname2, 'rb'); // the generated file content
$fileContent = fopen($tmpfnameGenerated, 'rb'); // the generated file content
$genDocName = 'doc_' . sprintf('%010d', mt_rand()) . '.docx';
@ -87,7 +117,8 @@ class DocGeneratorTemplateController extends AbstractController
$genDocName
);
unlink($tmpfname2);
unlink($tmpfnameDeCrypted);
unlink($tmpfnameGenerated);
$client = new Client();
@ -128,7 +159,7 @@ class DocGeneratorTemplateController extends AbstractController
}
throw new Exception('Unable to generate document.');
}
}
/**
* @Route(