✨ Add backup FROM SFTP to local

2021-06-30 16:02:14 +02:00 · 2020-04-16 17:57:14 +02:00
parent c18d517afb
commit 0952cf2db3
9 changed files with 184 additions and 17 deletions
--- a/app/code/backup/SFTP.php
+++ b/app/code/backup/SFTP.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace Shikiryu\Backup\Backup;
+
+use phpseclib\Crypt\RSA;
+use phpseclib\Net\SFTP as LibSFTP;
+use phpseclib\Net\SSH2;
+
+class SFTP extends BackupAbstract
+{
+    use IsDistantTrait;
+
+    /**
+     * @var LibSFTP
+     */
+    private $connection;
+    /** @var string */
+    protected $host;
+    /** @var int */
+    protected $port = 22;
+    /** @var string */
+    protected $login;
+    /** @var string */
+    protected $password;
+    /** @var string */
+    protected $key;
+
+    public function __construct($config = [])
+    {
+        if (!isset($config['files'])) {
+            throw new \Exception('Files needs a "files" configuration.');
+        }
+        $filesToBackup = $config['files'];
+        if (!empty($filesToBackup) && is_array($filesToBackup)) {
+            $names = array_map('basename', $filesToBackup);
+            $this->files_to_backup = array_combine($filesToBackup, $names);
+        }
+
+        parent::__construct($config);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function preBuild()
+    {
+        // TODO: Implement preBuild() method.
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function postBuild()
+    {
+        // TODO: Implement postBuild() method.
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function build()
+    {
+        // TODO: Implement build() method.
+    }
+
+    /**
+     * @inheritDoc
+     * @throws \Exception
+     */
+    public function isValid()
+    {
+        if (empty($this->password) && empty($this->key)) {
+            return false;
+        }
+        define('NET_SSH2_LOGGING', SSH2::LOG_COMPLEX);
+        $this->connection = new LibSFTP($this->host, $this->port);
+        if (!empty($this->key)) {
+            $this->password = new RSA();
+            $this->password->loadKey(file_get_contents($this->key));
+        }
+        if (!$this->connection->login($this->login, $this->password)) {
+            throw new \Exception(sprintf('I can\'t connect to the SFTP %s', $this->host));
+        }
+
+        $this->connection->enableQuietMode();
+        $this->connection->exec('whoami');
+
+        return $this->connection->getStdError() === '' && $this->connection->read() !== '';
+    }
+
+    /**
+     * @return Files
+     */
+    public function retrieve()
+    {
+        $tmp_files = [];
+        foreach ($this->files_to_backup as $path => $name) {
+            $tmp_file = TEMP_DIR.$name;
+            $tmp_files[] = $tmp_file;
+            $this->connection->get($path, $tmp_file);
+        }
+        unset($tmp_file);
+        try {
+            $tmp_backup = new Files(['files' => $tmp_files]);
+            unset($tmp_files);
+        } catch (\Exception $e) {
+            echo $e->getMessage();
+        }
+
+        return $tmp_backup;
+    }
+}