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Fix problem with Large tables #4

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Fix problem with Large tables #4

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0238a7d
Fix issue with too large DB
ksiamro Jul 23, 2024
466ad7a
Revert changes for PHPdocs
ksiamro Jul 23, 2024
0b78b5f
Fix issue for never ending loop for update
ksiamro Jul 23, 2024
838fac1
Change key-index to proper key-number in Readme
ksiamro Jul 23, 2024
a7e6fb9
Allow to run update command without defined dump param
ksiamro Jul 23, 2024
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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,8 @@ This command DOES CHANGE the database!!! Be careful!! Only run it when old enc

```
update-encryption.php update-table --table=core_config_data\
--id-field=config_id --field=value --key=NEW_KEY --key-index=1\
--old-key-index=[0/1]
--id-field=config_id --field=value --key=NEW_KEY --key-number=1\
--old-key-number=[0/1]
--dump=rotation.sql
--dry-run
```
Expand Down
153 changes: 94 additions & 59 deletions update-encryption.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
'dry-run' => false,
'key-number' => 1,
'old-key-number' => 0,
'dump' => false,
'output' => 'encrypted-values.csv'
];

Expand Down Expand Up @@ -88,7 +89,7 @@
$key = $keyLines[$params['old-key-number']];
else
exit("OLD KEY NUMBER IS WRONG, NO KEY WITH NUMBER " . $params['old-key-number'] . " FOUND IN app/etc/env.php\n");

}

$crypt = new \Magento\Framework\Encryption\Adapter\SodiumChachaIetf($key);
Expand All @@ -112,51 +113,65 @@
}
if ($skipTable)
continue;

$data = $db->query("SELECT * FROM $table")->fetchAll(PDO::FETCH_ASSOC);
if (!$data)
continue;
foreach ($data as $row) {
$idField = '';
$idValue = '';
$isCoreConfigData = false;
if (preg_match("%core_config_data%", $table)) {
$idField = 'config_id';
$idValue = $row['config_id'];
$isCoreConfigData = true;

$offset = 0;
$limit = 1000; // Adjust the chunk size as needed
$moreRowsAvailable = true;

while ($moreRowsAvailable) {
$query = $db->prepare("SELECT * FROM $table LIMIT :offset, :limit");
$query->bindParam(':offset', $offset, PDO::PARAM_INT);
$query->bindParam(':limit', $limit, PDO::PARAM_INT);
$query->execute();
$data = $query->fetchAll(PDO::FETCH_ASSOC);

if (!$data) {
$moreRowsAvailable = false;
} else {
foreach ($row as $fieldName => $value) {
if (preg_match('%_id$%', $fieldName)) {
$idField = $fieldName;
$idValue = $value;
foreach ($data as $row) {
$idField = '';
$idValue = '';
$isCoreConfigData = false;
if (preg_match("%core_config_data%", $table)) {
$idField = 'config_id';
$idValue = $row['config_id'];
$isCoreConfigData = true;
} else {
foreach ($row as $fieldName => $value) {
if (preg_match('%_id$%', $fieldName)) {
$idField = $fieldName;
$idValue = $value;
}
}
}
}
}
foreach ($row as $fieldName => $value) {
if (($value !== null) && preg_match("%^\d\:\d\:%", $value)) {
$chunks = explode(':', $value);
$decrypted = 'N/A';
$reEncrypted = 'N/A';
$path = $isCoreConfigData ? $row['path'] : 'N/A';
if ($params['decrypt'] && isset($params['key'])) {
$decrypted = $crypt->decrypt(base64_decode($chunks[2]));
}
if ($params['re-encrypt'] && isset($params['key'])) {
$reEncrypted = sprintf("%d:3:%s", $params['key-number'], base64_encode($cryptNew->encrypt($decrypted)));
}
$update = [
$table, $idField, $idValue, $path, $fieldName, $value, $decrypted, $reEncrypted
];
fputcsv($f, $update);
$encryptedField = sprintf("$table::$fieldName");
if (!in_array($encryptedField, $encryptedFields)) {
$encryptedFields[] = $encryptedField;
foreach ($row as $fieldName => $value) {
if (($value !== null) && preg_match("%^\d\:\d\:%", $value)) {
$chunks = explode(':', $value);
$decrypted = 'N/A';
$reEncrypted = 'N/A';
$path = $isCoreConfigData ? $row['path'] : 'N/A';
if ($params['decrypt'] && isset($params['key'])) {
$decrypted = $crypt->decrypt(base64_decode($chunks[2]));
}
if ($params['re-encrypt'] && isset($params['key'])) {
$reEncrypted = sprintf("%d:3:%s", $params['key-number'], base64_encode($cryptNew->encrypt($decrypted)));
}
$update = [$table, $idField, $idValue, $path, $fieldName, $value, $decrypted, $reEncrypted];
fputcsv($f, $update);
$encryptedField = sprintf("$table::$fieldName");
if (!in_array($encryptedField, $encryptedFields)) {
$encryptedFields[] = $encryptedField;
}
}
}
$offset += $limit;

}
}

}

}
fclose($f);
print_r($encryptedFields);
} else if ($command == 'update-table' || $command == 'update-record') {
if (!isset($params['table']))
Expand All @@ -180,33 +195,53 @@
$recordFilter = sprintf(" AND `%s`='%d'", $idField, $id);
$query = sprintf("SELECT * FROM `%s` WHERE `%s` LIKE '%d:3%%' %s", $table, $field, $keyNumber, $recordFilter);
echo $query . "\n";
$data = $db->query($query)->fetchAll(PDO::FETCH_ASSOC);

$offset = 0;
$limit = 1000; // Adjust the chunk size as needed
$moreRowsAvailable = true;

$fileHandler = null;
$backupHandler = null;
if ($params['dump']) {
$fileHandler = fopen($params['dump'], 'a');
$backupHandler = fopen('backup-' . $params['dump'], 'a');
}
foreach ($data as $row) {
$value = $row[$field];
$chunks = explode(':', $value);
$decrypted = $crypt->decrypt(base64_decode($chunks[2]));
$reEncrypted = sprintf("%d:3:%s", $params['key-number'], base64_encode($cryptNew->encrypt($decrypted)));

echo "UPDATING row $idField=" . $idField . ", $field=" . $row[$field] . "; New value = " . $reEncrypted . "\n";
$updateQuery = sprintf("UPDATE `%s` SET `%s`='%s' WHERE `%s`='%d' LIMIT 1;", $table, $field, $reEncrypted, $idField, $row[$idField]);
$backupQuery = sprintf("UPDATE `%s` SET `%s`='%s' WHERE `%s`='%d' LIMIT 1;", $table, $field, $value, $idField, $row[$idField]);

if ($params['dump']) {
fwrite($fileHandler, $updateQuery . "\n");
fwrite($backupHandler, $backupQuery . "\n");
}
echo " " . $updateQuery . "\n";
if (!isset($params['dry-run']) || !$params['dry-run']) {
echo "UPDATING !\n";
$db->query($updateQuery);
while ($moreRowsAvailable) {
$query = sprintf("SELECT * FROM `%s` WHERE `%s` LIKE '%d:3%%' %s LIMIT :offset, :limit", $table, $field, $keyNumber, $recordFilter);
$stmt = $db->prepare($query);
$stmt->bindParam(':offset', $offset, PDO::PARAM_INT);
$stmt->bindParam(':limit', $limit, PDO::PARAM_INT);
$stmt->execute();
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);

if (!$data) {
$moreRowsAvailable = false;
} else {
foreach ($data as $row) {
$value = $row[$field];
$chunks = explode(':', $value);
$decrypted = $crypt->decrypt(base64_decode($chunks[2]));
$reEncrypted = sprintf("%d:3:%s", $params['key-number'], base64_encode($cryptNew->encrypt($decrypted)));

echo "UPDATING row $idField=" . $idField . ", $field=" . $row[$field] . "; New value = " . $reEncrypted . "\n";
$updateQuery = sprintf("UPDATE `%s` SET `%s`='%s' WHERE `%s`='%d' LIMIT 1;", $table, $field, $reEncrypted, $idField, $row[$idField]);
$backupQuery = sprintf("UPDATE `%s` SET `%s`='%s' WHERE `%s`='%d' LIMIT 1;", $table, $field, $value, $idField, $row[$idField]);

if ($params['dump']) {
fwrite($fileHandler, $updateQuery . "\n");
fwrite($backupHandler, $backupQuery . "\n");
}
echo " " . $updateQuery . "\n";
if (!isset($params['dry-run']) || !$params['dry-run']) {
echo "UPDATING !\n";
$db->query($updateQuery);
}
}
}
$offset += $limit;
}
if ($params['dump']) {
fclose($fileHandler);
fclose($backupHandler);
}
}