first commit

pgserver/application/lib/SFTPConnection.php

@@ -0,0 +1,86 @@
+<?php
+
+
+namespace app\lib;
+
+use think\Exception;
+use think\facade\Log;
+
+class SFTPConnection
+{
+    private $connection;
+    private $sftp;
+
+    public function __construct($host, $port=22)
+    {
+        $this->connection = @ssh2_connect($host, $port);
+        if (! $this->connection)
+            throw new Exception("Could not connect to $host on port $port.");
+    }
+
+    public function login($user_name, $password)
+    {
+        if (! @ssh2_auth_password($this->connection, $user_name, $password))
+            throw new Exception("Could not authenticate with user_name $user_name " .
+                "and password $password.");
+
+        $this->sftp = @ssh2_sftp($this->connection);
+        if (! $this->sftp)
+            throw new Exception("Could not initialize SFTP subsystem.");
+    }
+
+    public function fileIsExists($remote_file)
+    {
+        $sftp = $this->sftp;
+        $resource = "ssh2.sftp://{$sftp}" . $remote_file;
+        return file_exists($resource);
+    }
+
+    public function getFile( $remote_file){
+        $sftp = $this->sftp;
+        $resource = "ssh2.sftp://{$sftp}" . $remote_file;
+        return file_get_contents($resource);
+   }
+    public function uploadFile($local_file, $path, $remote_file)
+    {
+        $sftp = $this->sftp;
+//        $findChar = '/';
+//
+//        $pos1 = strripos($remote_file, $findChar);
+//        $path =substr($remote_file, 0, $pos1);
+        //$is_exist = $sftp->dir_exits($path);//判断文件夹是否存在
+        //$path = '/cebbank/llz/send/20230326';
+        //if ($is_exist === false) {
+        //ssh2_sftp_mkdir($sftp, '/home/user_name/newdir');
+        /* Or:  mkdir("ssh2.sftp://$sftp/home/user_name/newdir"); */
+        if (!is_dir("ssh2.sftp://".intval($sftp) . $path)) {
+            ssh2_sftp_mkdir($sftp, $path,0777,true);
+        }//不存在则创建
+
+        $stream = @fopen("ssh2.sftp://".intval($sftp) . $remote_file, 'wr');
+
+        if (! $stream)
+            throw new Exception("Could not open file: $remote_file");
+
+        $data_to_send = @file_get_contents($local_file);
+        if ($data_to_send === false)
+            throw new Exception("Could not open local file: $local_file.");
+
+        if (@fwrite($stream, $data_to_send) === false)
+            throw new Exception("Could not send data from file: $local_file.");
+
+        @fclose($stream);
+    }
+
+    public function __destruct()
+    {
+        $this->connection = null;
+//        try{
+//            @ssh2_exec($this->connection, 'exit');
+//        }catch(Exception $e) {
+//            Log::warning($e->getMessage());
+//        }
+
+    }
+
+}