Issue #2242405 by mikebarkas, jlbellido | alexpott: Fixed FileTransfer::connect is protected yet the implementations are public and this is relied upon.

core/lib/Drupal/Core/FileTransfer/FileTransfer.php

@@ -110,7 +110,7 @@ abstract class FileTransfer {
   /**
    * Connects to the server.
    */
-  abstract protected function connect();
+  abstract public function connect();
 
   /**
    * Copies a directory.

core/lib/Drupal/Core/FileTransfer/Local.php

@@ -15,7 +15,7 @@ class Local extends FileTransfer implements ChmodInterface {
   /**
    * Implements Drupal\Core\FileTransfer\FileTransfer::connect().
    */
-  function connect() {
+  public function connect() {
     // No-op
   }
 

core/lib/Drupal/Core/FileTransfer/SSH.php

@@ -26,7 +26,7 @@ class SSH extends FileTransfer implements ChmodInterface {
   /**
    * Implements Drupal\Core\FileTransfer\FileTransfer::connect().
    */
-  function connect() {
+  public function connect() {
     $this->connection = @ssh2_connect($this->hostname, $this->port);
     if (!$this->connection) {
       throw new FileTransferException('SSH Connection failed to @host:@port', NULL, array('@host' => $this->hostname, '@port' => $this->port));

core/modules/system/src/Tests/FileTransfer/TestFileTransfer.php

@@ -32,7 +32,7 @@ class TestFileTransfer extends FileTransfer {
     return new TestFileTransfer($jail, $settings['username'], $settings['password'], $settings['hostname'], $settings['port']);
   }
 
-  function connect() {
+  public function connect() {
     $this->connection = new MockTestConnection();
     $this->connection->connectionString = 'test://' . urlencode($this->username) . ':' . urlencode($this->password) . "@$this->host:$this->port/";
   }