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API v2: added method for downloading backup files #11

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68 changes: 60 additions & 8 deletions modules/v2/controllers/NodeController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@

use app\helpers\ApiHelper;
use app\models\Node;
use app\models\OutBackup;
use app\models\OutStp;
use Yii;
use yii\rest\Controller;
Expand Down Expand Up @@ -97,7 +98,7 @@ public function behaviors()
'rules' => [
[
'allow' => true,
'actions' => ['search', 'list', 'get', 'get-nodes', 'lookup', 'get-stp', 'interim'],
'actions' => ['search', 'list', 'get', 'get-nodes', 'lookup', 'get-stp', 'interim', 'download-backup'],
'roles' => ['APIReader', 'admin'],
],
],
Expand All @@ -106,13 +107,14 @@ public function behaviors()
$behaviors['verbs'] = [
'class' => VerbFilter::class,
'actions' => [
'list' => ['get'],
'get' => ['get'],
'get-nodes' => ['get'],
'get-stp' => ['get'],
'interim' => ['post'],
'search' => ['post'],
'lookup' => ['post'],
'list' => ['get'],
'get' => ['get'],
'get-nodes' => ['get'],
'get-stp' => ['get'],
'interim' => ['post'],
'search' => ['post'],
'lookup' => ['post'],
'download-backup' => ['get'],
],
];

Expand Down Expand Up @@ -359,5 +361,55 @@ public function actionInterim(): array
return $nodes;

}

/**
* @param $id
* @param string $put
* @param string|null $hash
* @param bool $crlf
* @return Response
* @throws \yii\web\RangeNotSatisfiableHttpException
* @throws \yii\base\ExitException
*/
public function actionDownload($id, $put, $hash = null, $crlf = false)
{

$config = '';
$suffix = null;

/** Get configuration backup based on put */
if(!empty($hash)) {

$meta = Node::getCommitMetaData($hash);
$config = Node::getBackupGitVersion($id, $hash);

if( array_key_exists(3, $meta) ) {
$suffix = preg_replace(['/:/', '/[^\d|\-]/'], ['-', '_'], $meta[3]);
$suffix = ".".substr($suffix, 0, -7);
}

}
elseif ($put == 'file') {
$file_path = \Y::param('dataPath') . DIRECTORY_SEPARATOR . 'backup' . DIRECTORY_SEPARATOR . "{$id}.txt";
$config = file_get_contents($file_path);
}
elseif ($put == 'db') {
$config = OutBackup::find()->select('config')->where(['node_id' => $id])->scalar();
}
else {
\Y::flashAndRedirect('warning', Yii::t('node', 'Unknown backup destination passed'), 'node/view', ['id' => $id]);
Yii::$app->end();
}

if( isset($crlf) && $crlf == true ) {
$config = preg_replace('~\R~u', "\r\n", $config);
}

return Yii::$app->response->sendContentAsFile($config, "$id.conf{$suffix}.txt", [
'mimeType' => 'text/plain',
'inline' => false,
]);

}

}