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Added change password in pdf snippet #111

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Added change password in pdf snippet #111

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88 changes: 88 additions & 0 deletions UsesCases/EncryptDecrypt/passwordModify.php
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Original file line number Diff line number Diff line change
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<?php

require_once 'vendor/autoload.php';

use Aspose\PDF\Configuration;
use Aspose\PDF\Api\PdfApi;

$credentials = json_decode(file_get_contents(__DIR__ . "/../../../Credentials/credentials.json"), true);

$configParams = [
'LOCAL_FOLDER' => 'C:\\Samples\\',
'PDF_DOCUMENT_NAME' => 'sample.pdf',
'LOCAL_RESULT_DOCUMENT_NAME' => 'output_sample.pdf',
'DOCUMENT_PASSWORD' => 'Owner-Password',
'NEW_USER_PASSWORD' => 'NEW-User-Password',
'NEW_OWNER_PASSWORD' => 'NEW-Owner-Password',
];

class PdfEncoder {
private $pdfApi;
private $configParams;

private function _create_rest_api() {
$credentials = json_decode(file_get_contents("./Credentials/credentials.json"), true);

$configAuth = new Configuration();
$configAuth->setAppKey($credentials['key']);
$configAuth->setAppSid($credentials['id']);

$this->pdfApi = new PdfApi(null, $configAuth);
}

public function __construct($config) {
$this->configParams = $config;
$this->_create_rest_api();
}

public function uploadDocument() {
$filePath = $this->configParams['LOCAL_FOLDER'] . $this->configParams['PDF_DOCUMENT_NAME'];
$fileData = file_get_contents($filePath);

$this->pdfApi->uploadFile($this->configParams['PDF_DOCUMENT_NAME'], $fileData);
echo "File: '{$this->configParams['PDF_DOCUMENT_NAME']}' successfully uploaded.\n";
}

public function downloadResult() {
$result = $this->pdfApi->downloadFile($this->configParams['PDF_DOCUMENT_NAME']);
$outputPath = $this->configParams['LOCAL_FOLDER'] . $this->configParams['LOCAL_RESULT_DOCUMENT_NAME'];
file_put_contents($outputPath, $result['body']);
echo "Downloaded: {$outputPath}\n";
}

public function changePassword() {
$documentPassword = base64_encode($this->configParams['DOCUMENT_PASSWORD']);

$userPassword = base64_encode($this->configParams['NEW_USER_PASSWORD']);
$ownerPassword = base64_encode($this->configParams['NEW_OWNER_PASSWORD']);

$response = $this->pdfApi->postChangePasswordDocumentInStorage(
$this->configParams['PDF_DOCUMENT_NAME'],
$documentPassword,
$userPassword,
$ownerPassword
);

if ($response['body']['code'] == 200) {
echo "changePassword(): Password in document '{$this->configParams['PDF_DOCUMENT_NAME']}' successfully changed.\n";
} else {
throw new Exception("changePassword(): Failed to change password in document '{$this->configParams['PDF_DOCUMENT_NAME']}'. Response code: {$response['code']}");
}
}
}

function main() {
global $configParams;

$encoder = new PdfEncoder($configParams);

try {
$encoder->uploadDocument();
$encoder->changePassword();
$encoder->downloadResult();
} catch (Exception $e) {
echo "Error: " . $e->getMessage() . "\n";
}
}

main();