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.

---
 .../Mime/ContentEncoder/Base64ContentEncoder.php   |  81 ++++++++++
 .../Mime/ContentEncoder/PlainContentEncoder.php    | 175 +++++++++++++++++++++
 .../Swift/Mime/ContentEncoder/QpContentEncoder.php | 117 ++++++++++++++
 3 files changed, 373 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php

(limited to 'External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder')

diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
new file mode 100755
index 0000000..e89938e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
@@ -0,0 +1,81 @@
+<?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/Mime/ContentEncoder.php';
+//@require 'Swift/Encoder/Base64Encoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Handles Base 64 Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_Base64ContentEncoder
+  extends Swift_Encoder_Base64Encoder
+  implements Swift_Mime_ContentEncoder
+{
+  
+  /**
+   * Encode stream $in to stream $out.
+   * @param Swift_OutputByteStream $in
+   * @param Swift_InputByteStream $out
+   * @param int $firstLineOffset
+   * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if (0 >= $maxLineLength || 76 < $maxLineLength)
+    {
+      $maxLineLength = 76;
+    }
+    
+    $remainder = 0;
+    
+    while (false !== $bytes = $os->read(8190))
+    {
+      $encoded = base64_encode($bytes);
+      $encodedTransformed = '';
+      $thisMaxLineLength = $maxLineLength - $remainder - $firstLineOffset;
+      
+      while ($thisMaxLineLength < strlen($encoded))
+      {
+        $encodedTransformed .= substr($encoded, 0, $thisMaxLineLength) . "\r\n";
+        $firstLineOffset = 0;
+        $encoded = substr($encoded, $thisMaxLineLength);
+        $thisMaxLineLength = $maxLineLength;
+        $remainder = 0;
+      }
+      
+      if (0 < $remainingLength = strlen($encoded))
+      {
+        $remainder += $remainingLength;
+        $encodedTransformed .= $encoded;
+        $encoded = null;
+      }
+      
+      $is->write($encodedTransformed);
+    }
+  }
+  
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'base64'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'base64';
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
new file mode 100755
index 0000000..4a725d8
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
@@ -0,0 +1,175 @@
+<?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/Mime/ContentEncoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Handles binary/7/8-bit Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_PlainContentEncoder
+  implements Swift_Mime_ContentEncoder
+{
+  
+  /**
+   * The name of this encoding scheme (probably 7bit or 8bit).
+   * @var string
+   * @access private
+   */
+  private $_name;
+  
+  /**
+   * True if canonical transformations should be done.
+   * @var boolean
+   * @access private
+   */
+  private $_canonical;
+  
+  /**
+   * Creates a new PlainContentEncoder with $name (probably 7bit or 8bit).
+   * @param string $name
+   * @param boolean $canonical If canonicalization transformation should be done.
+   */
+  public function __construct($name, $canonical = false)
+  {
+    $this->_name = $name;
+    $this->_canonical = $canonical;
+  }
+  
+  /**
+   * Encode a given string to produce an encoded string.
+   * @param string $string
+   * @param int $firstLineOffset, ignored
+   * @param int $maxLineLength - 0 means no wrapping will occur
+   * @return string
+   */
+  public function encodeString($string, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if ($this->_canonical)
+    {
+      $string = $this->_canonicalize($string);
+    }
+    return $this->_safeWordWrap($string, $maxLineLength, "\r\n");
+  }
+  
+  /**
+   * Encode stream $in to stream $out.
+   * @param Swift_OutputByteStream $in
+   * @param Swift_InputByteStream $out
+   * @param int $firstLineOffset, ignored
+   * @param int $maxLineLength, optional, 0 means no wrapping will occur
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    $leftOver = '';
+    while (false !== $bytes = $os->read(8192))
+    {
+      $toencode = $leftOver . $bytes;
+      if ($this->_canonical)
+      {
+        $toencode = $this->_canonicalize($toencode);
+      }
+      $wrapped = $this->_safeWordWrap($toencode, $maxLineLength, "\r\n");
+      $lastLinePos = strrpos($wrapped, "\r\n");
+      $leftOver = substr($wrapped, $lastLinePos);
+      $wrapped = substr($wrapped, 0, $lastLinePos);
+      
+      $is->write($wrapped);
+    }
+    if (strlen($leftOver))
+    {
+      $is->write($leftOver);
+    }
+  }
+  
+  /**
+   * Get the name of this encoding scheme.
+   * @return string
+   */
+  public function getName()
+  {
+    return $this->_name;
+  }
+  
+  /**
+   * Not used.
+   */
+  public function charsetChanged($charset)
+  {
+  }
+  
+  // -- Private methods
+  
+  /**
+   * A safer (but weaker) wordwrap for unicode.
+   * @param string $string
+   * @param int $length
+   * @param string $le
+   * @return string
+   * @access private
+   */
+  private function _safeWordwrap($string, $length = 75, $le = "\r\n")
+  {
+    if (0 >= $length)
+    {
+      return $string;
+    }
+    
+    $originalLines = explode($le, $string);
+    
+    $lines = array();
+    $lineCount = 0;
+    
+    foreach ($originalLines as $originalLine)
+    {
+      $lines[] = '';
+      $currentLine =& $lines[$lineCount++];
+      
+      //$chunks = preg_split('/(?<=[\ \t,\.!\?\-&\+\/])/', $originalLine);
+      $chunks = preg_split('/(?<=\s)/', $originalLine);
+      
+      foreach ($chunks as $chunk)
+      {
+        if (0 != strlen($currentLine)
+          && strlen($currentLine . $chunk) > $length)
+        {
+          $lines[] = '';
+          $currentLine =& $lines[$lineCount++];
+        }
+        $currentLine .= $chunk;
+      }
+    }
+    
+    return implode("\r\n", $lines);
+  }
+  
+  /**
+   * Canonicalize string input (fix CRLF).
+   * @param string $string
+   * @return string
+   * @access private
+   */
+  private function _canonicalize($string)
+  {
+    return str_replace(
+      array("\r\n", "\r", "\n"),
+      array("\n", "\n", "\r\n"),
+      $string
+      );
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
new file mode 100755
index 0000000..3beeb63
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
@@ -0,0 +1,117 @@
+<?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/Mime/ContentEncoder.php';
+//@require 'Swift/Encoder/QpEncoder.php';
+//@require 'Swift/InputByteStrean.php';
+//@require 'Swift/OutputByteStream.php';
+//@require 'Swift/CharacterStream.php';
+
+/**
+ * Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_QpContentEncoder extends Swift_Encoder_QpEncoder
+  implements Swift_Mime_ContentEncoder
+{
+
+  /**
+   * Creates a new QpContentEncoder for the given CharacterStream.
+   * @param Swift_CharacterStream $charStream to use for reading characters
+   * @param Swift_StreamFilter $filter if canonicalization should occur
+   */
+  public function __construct(Swift_CharacterStream $charStream,
+    Swift_StreamFilter $filter = null)
+  {
+    parent::__construct($charStream, $filter);
+  }
+
+  /**
+   * Encode stream $in to stream $out.
+   * QP encoded strings have a maximum line length of 76 characters.
+   * If the first line needs to be shorter, indicate the difference with
+   * $firstLineOffset.
+   * @param Swift_OutputByteStream $os output stream
+   * @param Swift_InputByteStream $is input stream
+   * @param int $firstLineOffset
+   * @param int $maxLineLength
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if ($maxLineLength > 76 || $maxLineLength <= 0)
+    {
+      $maxLineLength = 76;
+    }
+
+    $thisLineLength = $maxLineLength - $firstLineOffset;
+
+    $this->_charStream->flushContents();
+    $this->_charStream->importByteStream($os);
+    
+    $currentLine = '';
+    $prepend = '';
+    $size=$lineLen=0;
+
+    while (false !== $bytes = $this->_nextSequence())
+    {
+      //If we're filtering the input
+      if (isset($this->_filter))
+      {
+        //If we can't filter because we need more bytes
+        while ($this->_filter->shouldBuffer($bytes))
+        {
+          //Then collect bytes into the buffer
+          if (false === $moreBytes = $this->_nextSequence(1))
+          {
+            break;
+          }
+
+          foreach ($moreBytes as $b)
+          {
+            $bytes[] = $b;
+          }
+        }
+        //And filter them
+        $bytes = $this->_filter->filter($bytes);
+      }
+
+      $enc = $this->_encodeByteSequence($bytes, $size);
+      if ($currentLine && $lineLen+$size >= $thisLineLength)
+      {
+        $is->write($prepend . $this->_standardize($currentLine));
+        $currentLine = '';
+        $prepend = "=\r\n";
+        $thisLineLength = $maxLineLength;
+        $lineLen=0;
+      }
+      $lineLen+=$size;
+      $currentLine .= $enc;
+    }
+    if (strlen($currentLine))
+    {
+      $is->write($prepend . $this->_standardize($currentLine));
+    }
+  }
+
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'quoted-printable'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'quoted-printable';
+  }
+
+}
-- 
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