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53 lines
1.3 KiB
PHP
53 lines
1.3 KiB
PHP
#!/usr/bin/env php
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<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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if ($_SERVER['argc'] != 3)
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{
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echo "Please specify the secret key and filename for which the signature should be created, e.g. generate_signature.php mySecretSecret path/to/file\n";
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exit(1);
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}
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$secret_key = base64_decode($_SERVER['argv'][1]);
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$file_path = $_SERVER['argv'][2];
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if (!extension_loaded('sodium'))
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{
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die('Required sodium extension not loaded');
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}
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if (!file_exists($file_path))
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{
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die('File does not exist');
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}
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$hash = hash_file('sha384', $file_path, true);
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try
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{
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$signature = sodium_crypto_sign_detached($hash, $secret_key);
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}
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catch (SodiumException $e)
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{
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$keypair = sodium_crypto_sign_keypair();
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$secret_key = base64_encode(sodium_crypto_sign_secretkey($keypair));
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$public_key = base64_encode(sodium_crypto_sign_publickey($keypair));
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echo 'Unable to create the signature: ' . $e->getMessage() . "\n";
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echo "Maybe use these keys:\nPublic key: {$public_key}\nSecret key: {$secret_key}\n";
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die();
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}
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$signature = base64_encode($signature);
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file_put_contents($file_path . '.sig', $signature);
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