From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 .../Transport/Esmtp/Auth/CramMd5Authenticator.php  |  88 +++++++
 .../Transport/Esmtp/Auth/LoginAuthenticator.php    |  58 +++++
 .../Transport/Esmtp/Auth/PlainAuthenticator.php    |  57 +++++
 .../classes/Swift/Transport/Esmtp/AuthHandler.php  | 262 +++++++++++++++++++++
 .../Swift/Transport/Esmtp/Authenticator.php        |  38 +++
 5 files changed, 503 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php

(limited to 'External/swiftmailer/lib/classes/Swift/Transport/Esmtp')

diff --git a/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
new file mode 100755
index 0000000..4c7e0f2
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
@@ -0,0 +1,88 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles CRAM-MD5 authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_CramMd5Authenticator
+  implements Swift_Transport_Esmtp_Authenticator
+{
+  
+  /**
+   * Get the name of the AUTH mechanism this Authenticator handles.
+   * @return string
+   */
+  public function getAuthKeyword()
+  {
+    return 'CRAM-MD5';
+  }
+  
+  /**
+   * Try to authenticate the user with $username and $password.
+   * @param Swift_Transport_SmtpAgent $agent
+   * @param string $username
+   * @param string $password
+   * @return boolean
+   */
+  public function authenticate(Swift_Transport_SmtpAgent $agent,
+    $username, $password)
+  {
+    try
+    {
+      $challenge = $agent->executeCommand("AUTH CRAM-MD5\r\n", array(334));
+      $challenge = base64_decode(substr($challenge, 4));
+      $message = base64_encode(
+        $username . ' ' . $this->_getResponse($password, $challenge)
+        );
+      $agent->executeCommand(sprintf("%s\r\n", $message), array(235));
+      return true;
+    }
+    catch (Swift_TransportException $e)
+    {
+      $agent->executeCommand("RSET\r\n", array(250));
+      return false;
+    }
+  }
+  
+  /**
+   * Generate a CRAM-MD5 response from a server challenge.
+   * @param string $secret
+   * @param string $challenge
+   * @return string
+   */
+  private function _getResponse($secret, $challenge)
+  {
+    if (strlen($secret) > 64)
+    {
+      $secret = pack('H32', md5($secret));
+    }
+    
+    if (strlen($secret) < 64)
+    {
+      $secret = str_pad($secret, 64, chr(0));
+    }
+    
+    $k_ipad = substr($secret, 0, 64) ^ str_repeat(chr(0x36), 64);
+    $k_opad = substr($secret, 0, 64) ^ str_repeat(chr(0x5C), 64);
+
+    $inner  = pack('H32', md5($k_ipad . $challenge));
+    $digest = md5($k_opad . $inner);
+
+    return $digest;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
new file mode 100755
index 0000000..bd22617
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles LOGIN authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_LoginAuthenticator
+  implements Swift_Transport_Esmtp_Authenticator
+{
+  
+  /**
+   * Get the name of the AUTH mechanism this Authenticator handles.
+   * @return string
+   */
+  public function getAuthKeyword()
+  {
+    return 'LOGIN';
+  }
+  
+  /**
+   * Try to authenticate the user with $username and $password.
+   * @param Swift_Transport_SmtpAgent $agent
+   * @param string $username
+   * @param string $password
+   * @return boolean
+   */
+  public function authenticate(Swift_Transport_SmtpAgent $agent,
+    $username, $password)
+  {
+    try
+    {
+      $agent->executeCommand("AUTH LOGIN\r\n", array(334));
+      $agent->executeCommand(sprintf("%s\r\n", base64_encode($username)), array(334));
+      $agent->executeCommand(sprintf("%s\r\n", base64_encode($password)), array(235));
+      return true;
+    }
+    catch (Swift_TransportException $e)
+    {
+      $agent->executeCommand("RSET\r\n", array(250));
+      return false;
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
new file mode 100755
index 0000000..ddd8094
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles PLAIN authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_PlainAuthenticator
+  implements Swift_Transport_Esmtp_Authenticator
+{
+  
+  /**
+   * Get the name of the AUTH mechanism this Authenticator handles.
+   * @return string
+   */
+  public function getAuthKeyword()
+  {
+    return 'PLAIN';
+  }
+  
+  /**
+   * Try to authenticate the user with $username and $password.
+   * @param Swift_Transport_SmtpAgent $agent
+   * @param string $username
+   * @param string $password
+   * @return boolean
+   */
+  public function authenticate(Swift_Transport_SmtpAgent $agent,
+    $username, $password)
+  {
+    try
+    {
+      $message = base64_encode($username . chr(0) . $username . chr(0) . $password);
+      $agent->executeCommand(sprintf("AUTH PLAIN %s\r\n", $message), array(235));
+      return true;
+    }
+    catch (Swift_TransportException $e)
+    {
+      $agent->executeCommand("RSET\r\n", array(250));
+      return false;
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php
new file mode 100755
index 0000000..a223169
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php
@@ -0,0 +1,262 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/TransportException.php';
+//@require 'Swift/Transport/EsmtpHandler.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+
+/**
+ * An ESMTP handler for AUTH support.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_Esmtp_AuthHandler implements Swift_Transport_EsmtpHandler
+{
+  
+  /**
+   * Authenticators available to process the request.
+   * @var Swift_Transport_Esmtp_Authenticator[]
+   * @access private
+   */
+  private $_authenticators = array();
+  
+  /**
+   * The username for authentication.
+   * @var string
+   * @access private
+   */
+  private $_username;
+  
+  /**
+   * The password for authentication.
+   * @var string
+   * @access private
+   */
+  private $_password;
+  
+  /**
+   * The auth mode for authentication.
+   * @var string
+   * @access private
+   */
+  private $_auth_mode;
+  
+  /**
+   * The ESMTP AUTH parameters available.
+   * @var string[]
+   * @access private
+   */
+  private $_esmtpParams = array();
+  
+  /**
+   * Create a new AuthHandler with $authenticators for support.
+   * @param Swift_Transport_Esmtp_Authenticator[] $authenticators
+   */
+  public function __construct(array $authenticators)
+  {
+    $this->setAuthenticators($authenticators);
+  }
+  
+  /**
+   * Set the Authenticators which can process a login request.
+   * @param Swift_Transport_Esmtp_Authenticator[] $authenticators
+   */
+  public function setAuthenticators(array $authenticators)
+  {
+    $this->_authenticators = $authenticators;
+  }
+  
+  /**
+   * Get the Authenticators which can process a login request.
+   * @return Swift_Transport_Esmtp_Authenticator[]
+   */
+  public function getAuthenticators()
+  {
+    return $this->_authenticators;
+  }
+  
+  /**
+   * Set the username to authenticate with.
+   * @param string $username
+   */
+  public function setUsername($username)
+  {
+    $this->_username = $username;
+  }
+  
+  /**
+   * Get the username to authenticate with.
+   * @return string
+   */
+  public function getUsername()
+  {
+    return $this->_username;
+  }
+  
+  /**
+   * Set the password to authenticate with.
+   * @param string $password
+   */
+  public function setPassword($password)
+  {
+    $this->_password = $password;
+  }
+  
+  /**
+   * Get the password to authenticate with.
+   * @return string
+   */
+  public function getPassword()
+  {
+    return $this->_password;
+  }
+  
+  /**
+   * Set the auth mode to use to authenticate.
+   * @param string $mode
+   */
+  public function setAuthMode($mode)
+  {
+    $this->_auth_mode = $mode;
+  }
+  
+  /**
+   * Get the auth mode to use to authenticate.
+   * @return string
+   */
+  public function getAuthMode()
+  {
+    return $this->_auth_mode;
+  }
+  
+  /**
+   * Get the name of the ESMTP extension this handles.
+   * @return boolean
+   */
+  public function getHandledKeyword()
+  {
+    return 'AUTH';
+  }
+  
+  /**
+   * Set the parameters which the EHLO greeting indicated.
+   * @param string[] $parameters
+   */
+  public function setKeywordParams(array $parameters)
+  {
+    $this->_esmtpParams = $parameters;
+  }
+  
+  /**
+   * Runs immediately after a EHLO has been issued.
+   * @param Swift_Transport_SmtpAgent $agent to read/write
+   */
+  public function afterEhlo(Swift_Transport_SmtpAgent $agent)
+  {
+    if ($this->_username)
+    {
+      $count = 0;
+      foreach ($this->_getAuthenticatorsForAgent() as $authenticator)
+      {
+        if (in_array(strtolower($authenticator->getAuthKeyword()),
+          array_map('strtolower', $this->_esmtpParams)))
+        {
+          $count++;
+          if ($authenticator->authenticate($agent, $this->_username, $this->_password))
+          {
+            return;
+          }
+        }
+      }
+      throw new Swift_TransportException(
+        'Failed to authenticate on SMTP server with username "' .
+        $this->_username . '" using ' . $count . ' possible authenticators'
+        );
+    }
+  }
+  
+  /**
+   * Not used.
+   */
+  public function getMailParams()
+  {
+    return array();
+  }
+  
+  /**
+   * Not used.
+   */
+  public function getRcptParams()
+  {
+    return array();
+  }
+  
+  /**
+   * Not used.
+   */
+  public function onCommand(Swift_Transport_SmtpAgent $agent,
+    $command, $codes = array(), &$failedRecipients = null, &$stop = false)
+  {
+  }
+    
+  /**
+   * Returns +1, -1 or 0 according to the rules for usort().
+   * This method is called to ensure extensions can be execute in an appropriate order.
+   * @param string $esmtpKeyword to compare with
+   * @return int
+   */
+  public function getPriorityOver($esmtpKeyword)
+  {
+    return 0;
+  }
+  
+  /**
+   * Returns an array of method names which are exposed to the Esmtp class.
+   * @return string[]
+   */
+  public function exposeMixinMethods()
+  {
+    return array('setUsername', 'getUsername', 'setPassword', 'getPassword', 'setAuthMode', 'getAuthMode');
+  }
+  
+  /**
+   * Not used.
+   */
+  public function resetState()
+  {
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Returns the authenticator list for the given agent.
+   * @param  Swift_Transport_SmtpAgent $agent
+   * @return array
+   * @access protected
+   */
+  protected function _getAuthenticatorsForAgent()
+  {
+    if (!$mode = strtolower($this->_auth_mode))
+    {
+      return $this->_authenticators;
+    }
+
+    foreach ($this->_authenticators as $authenticator)
+    {
+      if (strtolower($authenticator->getAuthKeyword()) == $mode)
+      {
+        return array($authenticator);
+      }
+    }
+
+    throw new Swift_TransportException('Auth mode '.$mode.' is invalid');
+  }
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php
new file mode 100755
index 0000000..bf166d3
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Transport/SmtpAgent.php';
+
+/**
+ * An Authentication mechanism.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+interface Swift_Transport_Esmtp_Authenticator
+{
+  
+  /**
+   * Get the name of the AUTH mechanism this Authenticator handles.
+   * @return string
+   */
+  public function getAuthKeyword();
+  
+  /**
+   * Try to authenticate the user with $username and $password.
+   * @param Swift_Transport_SmtpAgent $agent
+   * @param string $username
+   * @param string $password
+   * @return boolean
+   */
+  public function authenticate(Swift_Transport_SmtpAgent $agent,
+    $username, $password);
+  
+}
-- 
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