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urmic_digital_encoder_decoder
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restore

This commit is contained in:
devdatt 2025-12-29 06:37:31 +05:30
parent cb34d03fa2
commit be527b67d7
2 changed files with 67 additions and 6 deletions
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4
encoder/firewall.php
View File

@ -106,7 +106,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
padding: 14px; padding: 14px;
border-radius: 8px; border-radius: 8px;
border: 1px solid #ccc; border: 1px solid #ccc;
font-size: 17px; font-size: 13px;
line-height: 1.5; line-height: 1.5;
resize: vertical; resize: vertical;
} }
@ -184,7 +184,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
<label>Port <?= htmlspecialchars($port) ?></label> <label>Port <?= htmlspecialchars($port) ?></label>
<textarea <textarea
name="port_<?= $port ?>" name="port_<?= $port ?>"
rows="3" rows="2"
placeholder="IPv4, IPv6 (comma separated)"><?= htmlspecialchars($value) ?></textarea> placeholder="IPv4, IPv6 (comma separated)"><?= htmlspecialchars($value) ?></textarea>
<small>Example: 192.168.1.10/24, 2001:db8::1</small> <small>Example: 192.168.1.10/24, 2001:db8::1</small>

69
encoder/firmware.php
View File

@ -93,11 +93,72 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$restoreDir = __DIR__ . '/var/www/encoder/'; $restoreDir = __DIR__ . '/var/www/encoder/';
$tmpZip = sys_get_temp_dir() . '/restore.zip'; $tmpZip = sys_get_temp_dir() . '/restore.zip';
$privateKey = file_get_contents('/var/www/backup_private.pem'); $upload = $_FILES['shree_bhattji_encoder'];
if (!file_exists($inputFile)) { if ($upload['error'] !== UPLOAD_ERR_OK) {
die("Backup file not found\n"); die('Upload failed');
} }
if (pathinfo($upload['name'], PATHINFO_EXTENSION) !== 'bin') {
die('Invalid file type');
}
$privateKeyPem = file_get_contents('/var/www/backup_private.pem');
if (!$privateKeyPem) {
die('Private key not found');
}
$privateKey = openssl_pkey_get_private($privateKeyPem);
if (!$privateKey) {
die('Invalid private key');
}
$payloadRaw = file_get_contents($upload['tmp_name']);
$payload = json_decode($payloadRaw, true);
if (
!is_array($payload)
|| !isset($payload['key'], $payload['iv'], $payload['data'])
) {
die('Invalid backup file format');
}
$encryptedKey = base64_decode($payload['key'], true);
$iv = base64_decode($payload['iv'], true);
$encryptedData = base64_decode($payload['data'], true);
if ($encryptedKey === false || $iv === false || $encryptedData === false) {
die('Corrupt backup data');
}
if (!openssl_private_decrypt($encryptedKey, $aesKey, $privateKey)) {
die('Key mismatch or wrong private key');
}
$zipBinary = openssl_decrypt(
$encryptedData,
'AES-256-CBC',
$aesKey,
OPENSSL_RAW_DATA,
$iv
);
if ($zipBinary === false) {
die('Failed to decrypt data');
}
$tmpZip = sys_get_temp_dir() . '/restore_' . uniqid() . '.zip';
file_put_contents($tmpZip, $zipBinary);
$zip = new ZipArchive();
if ($zip->open($tmpZip) !== true) {
unlink($tmpZip);
die('Invalid ZIP archive');
}
$zip->extractTo(__DIR__); // overwrites existing JSON
$zip->close();
unlink($tmpZip);
break; break;
} }
} }
@ -136,7 +197,7 @@ include 'header.php';
<label>Select restore file (.bin only):</label><br><br> <label>Select restore file (.bin only):</label><br><br>
<input type="file" <input type="file"
name="shree_bhattji_encoder.bin" name="shree_bhattji_encoder"
accept=".bin" accept=".bin"
required><br><br> required><br><br>