From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 17 Nov 2019 20:45:02 +0100
Subject: initial checking of customized version 1.0rc9

---
 .../ByteStream/AbstractFilterableInputStream.php   | 181 ++++++++++++++++
 .../classes/Swift/ByteStream/ArrayByteStream.php   | 182 ++++++++++++++++
 .../classes/Swift/ByteStream/FileByteStream.php    | 231 +++++++++++++++++++++
 .../Swift/ByteStream/TemporaryFileByteStream.php   |  42 ++++
 4 files changed, 636 insertions(+)
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/ArrayByteStream.php
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/FileByteStream.php
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php

(limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream')

diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php
new file mode 100644
index 0000000..a7b0e3a
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php
@@ -0,0 +1,181 @@
+<?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.
+ */
+
+/**
+ * Provides the base functionality for an InputStream supporting filters.
+ *
+ * @author Chris Corbyn
+ */
+abstract class Swift_ByteStream_AbstractFilterableInputStream implements Swift_InputByteStream, Swift_Filterable
+{
+    /**
+     * Write sequence.
+     */
+    protected $_sequence = 0;
+
+    /**
+     * StreamFilters.
+     *
+     * @var Swift_StreamFilter[]
+     */
+    private $_filters = array();
+
+    /**
+     * A buffer for writing.
+     */
+    private $_writeBuffer = '';
+
+    /**
+     * Bound streams.
+     *
+     * @var Swift_InputByteStream[]
+     */
+    private $_mirrors = array();
+
+    /**
+     * Commit the given bytes to the storage medium immediately.
+     *
+     * @param string $bytes
+     */
+    abstract protected function _commit($bytes);
+
+    /**
+     * Flush any buffers/content with immediate effect.
+     */
+    abstract protected function _flush();
+
+    /**
+     * Add a StreamFilter to this InputByteStream.
+     *
+     * @param Swift_StreamFilter $filter
+     * @param string             $key
+     */
+    public function addFilter(Swift_StreamFilter $filter, $key)
+    {
+        $this->_filters[$key] = $filter;
+    }
+
+    /**
+     * Remove an already present StreamFilter based on its $key.
+     *
+     * @param string $key
+     */
+    public function removeFilter($key)
+    {
+        unset($this->_filters[$key]);
+    }
+
+    /**
+     * Writes $bytes to the end of the stream.
+     *
+     * @param string $bytes
+     *
+     * @throws Swift_IoException
+     *
+     * @return int
+     */
+    public function write($bytes)
+    {
+        $this->_writeBuffer .= $bytes;
+        foreach ($this->_filters as $filter) {
+            if ($filter->shouldBuffer($this->_writeBuffer)) {
+                return;
+            }
+        }
+        $this->_doWrite($this->_writeBuffer);
+
+        return ++$this->_sequence;
+    }
+
+    /**
+     * For any bytes that are currently buffered inside the stream, force them
+     * off the buffer.
+     *
+     * @throws Swift_IoException
+     */
+    public function commit()
+    {
+        $this->_doWrite($this->_writeBuffer);
+    }
+
+    /**
+     * Attach $is to this stream.
+     *
+     * The stream acts as an observer, receiving all data that is written.
+     * All {@link write()} and {@link flushBuffers()} operations will be mirrored.
+     *
+     * @param Swift_InputByteStream $is
+     */
+    public function bind(Swift_InputByteStream $is)
+    {
+        $this->_mirrors[] = $is;
+    }
+
+    /**
+     * Remove an already bound stream.
+     *
+     * If $is is not bound, no errors will be raised.
+     * If the stream currently has any buffered data it will be written to $is
+     * before unbinding occurs.
+     *
+     * @param Swift_InputByteStream $is
+     */
+    public function unbind(Swift_InputByteStream $is)
+    {
+        foreach ($this->_mirrors as $k => $stream) {
+            if ($is === $stream) {
+                if ($this->_writeBuffer !== '') {
+                    $stream->write($this->_writeBuffer);
+                }
+                unset($this->_mirrors[$k]);
+            }
+        }
+    }
+
+    /**
+     * Flush the contents of the stream (empty it) and set the internal pointer
+     * to the beginning.
+     *
+     * @throws Swift_IoException
+     */
+    public function flushBuffers()
+    {
+        if ($this->_writeBuffer !== '') {
+            $this->_doWrite($this->_writeBuffer);
+        }
+        $this->_flush();
+
+        foreach ($this->_mirrors as $stream) {
+            $stream->flushBuffers();
+        }
+    }
+
+    /** Run $bytes through all filters */
+    private function _filter($bytes)
+    {
+        foreach ($this->_filters as $filter) {
+            $bytes = $filter->filter($bytes);
+        }
+
+        return $bytes;
+    }
+
+    /** Just write the bytes to the stream */
+    private function _doWrite($bytes)
+    {
+        $this->_commit($this->_filter($bytes));
+
+        foreach ($this->_mirrors as $stream) {
+            $stream->write($bytes);
+        }
+
+        $this->_writeBuffer = '';
+    }
+}
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/ArrayByteStream.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/ArrayByteStream.php
new file mode 100644
index 0000000..ef05a6d
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/ArrayByteStream.php
@@ -0,0 +1,182 @@
+<?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.
+ */
+
+/**
+ * Allows reading and writing of bytes to and from an array.
+ *
+ * @author Chris Corbyn
+ */
+class Swift_ByteStream_ArrayByteStream implements Swift_InputByteStream, Swift_OutputByteStream
+{
+    /**
+     * The internal stack of bytes.
+     *
+     * @var string[]
+     */
+    private $_array = array();
+
+    /**
+     * The size of the stack.
+     *
+     * @var int
+     */
+    private $_arraySize = 0;
+
+    /**
+     * The internal pointer offset.
+     *
+     * @var int
+     */
+    private $_offset = 0;
+
+    /**
+     * Bound streams.
+     *
+     * @var Swift_InputByteStream[]
+     */
+    private $_mirrors = array();
+
+    /**
+     * Create a new ArrayByteStream.
+     *
+     * If $stack is given the stream will be populated with the bytes it contains.
+     *
+     * @param mixed $stack of bytes in string or array form, optional
+     */
+    public function __construct($stack = null)
+    {
+        if (is_array($stack)) {
+            $this->_array = $stack;
+            $this->_arraySize = count($stack);
+        } elseif (is_string($stack)) {
+            $this->write($stack);
+        } else {
+            $this->_array = array();
+        }
+    }
+
+    /**
+     * Reads $length bytes from the stream into a string and moves the pointer
+     * through the stream by $length.
+     *
+     * If less bytes exist than are requested the
+     * remaining bytes are given instead. If no bytes are remaining at all, boolean
+     * false is returned.
+     *
+     * @param int $length
+     *
+     * @return string
+     */
+    public function read($length)
+    {
+        if ($this->_offset == $this->_arraySize) {
+            return false;
+        }
+
+        // Don't use array slice
+        $end = $length + $this->_offset;
+        $end = $this->_arraySize < $end ? $this->_arraySize : $end;
+        $ret = '';
+        for (; $this->_offset < $end; ++$this->_offset) {
+            $ret .= $this->_array[$this->_offset];
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Writes $bytes to the end of the stream.
+     *
+     * @param string $bytes
+     */
+    public function write($bytes)
+    {
+        $to_add = str_split($bytes);
+        foreach ($to_add as $value) {
+            $this->_array[] = $value;
+        }
+        $this->_arraySize = count($this->_array);
+
+        foreach ($this->_mirrors as $stream) {
+            $stream->write($bytes);
+        }
+    }
+
+    /**
+     * Not used.
+     */
+    public function commit()
+    {
+    }
+
+    /**
+     * Attach $is to this stream.
+     *
+     * The stream acts as an observer, receiving all data that is written.
+     * All {@link write()} and {@link flushBuffers()} operations will be mirrored.
+     *
+     * @param Swift_InputByteStream $is
+     */
+    public function bind(Swift_InputByteStream $is)
+    {
+        $this->_mirrors[] = $is;
+    }
+
+    /**
+     * Remove an already bound stream.
+     *
+     * If $is is not bound, no errors will be raised.
+     * If the stream currently has any buffered data it will be written to $is
+     * before unbinding occurs.
+     *
+     * @param Swift_InputByteStream $is
+     */
+    public function unbind(Swift_InputByteStream $is)
+    {
+        foreach ($this->_mirrors as $k => $stream) {
+            if ($is === $stream) {
+                unset($this->_mirrors[$k]);
+            }
+        }
+    }
+
+    /**
+     * Move the internal read pointer to $byteOffset in the stream.
+     *
+     * @param int $byteOffset
+     *
+     * @return bool
+     */
+    public function setReadPointer($byteOffset)
+    {
+        if ($byteOffset > $this->_arraySize) {
+            $byteOffset = $this->_arraySize;
+        } elseif ($byteOffset < 0) {
+            $byteOffset = 0;
+        }
+
+        $this->_offset = $byteOffset;
+    }
+
+    /**
+     * Flush the contents of the stream (empty it) and set the internal pointer
+     * to the beginning.
+     */
+    public function flushBuffers()
+    {
+        $this->_offset = 0;
+        $this->_array = array();
+        $this->_arraySize = 0;
+
+        foreach ($this->_mirrors as $stream) {
+            $stream->flushBuffers();
+        }
+    }
+}
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/FileByteStream.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/FileByteStream.php
new file mode 100644
index 0000000..9ed8523
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/FileByteStream.php
@@ -0,0 +1,231 @@
+<?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.
+ */
+
+/**
+ * Allows reading and writing of bytes to and from a file.
+ *
+ * @author Chris Corbyn
+ */
+class Swift_ByteStream_FileByteStream extends Swift_ByteStream_AbstractFilterableInputStream implements Swift_FileStream
+{
+    /** The internal pointer offset */
+    private $_offset = 0;
+
+    /** The path to the file */
+    private $_path;
+
+    /** The mode this file is opened in for writing */
+    private $_mode;
+
+    /** A lazy-loaded resource handle for reading the file */
+    private $_reader;
+
+    /** A lazy-loaded resource handle for writing the file */
+    private $_writer;
+
+    /** If magic_quotes_runtime is on, this will be true */
+    private $_quotes = false;
+
+    /** If stream is seekable true/false, or null if not known */
+    private $_seekable = null;
+
+    /**
+     * Create a new FileByteStream for $path.
+     *
+     * @param string $path
+     * @param bool   $writable if true
+     */
+    public function __construct($path, $writable = false)
+    {
+        if (empty($path)) {
+            throw new Swift_IoException('The path cannot be empty');
+        }
+        $this->_path = $path;
+        $this->_mode = $writable ? 'w+b' : 'rb';
+
+        if (function_exists('get_magic_quotes_runtime') && @get_magic_quotes_runtime() == 1) {
+            $this->_quotes = true;
+        }
+    }
+
+    /**
+     * Get the complete path to the file.
+     *
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->_path;
+    }
+
+    /**
+     * Reads $length bytes from the stream into a string and moves the pointer
+     * through the stream by $length.
+     *
+     * If less bytes exist than are requested the
+     * remaining bytes are given instead. If no bytes are remaining at all, boolean
+     * false is returned.
+     *
+     * @param int $length
+     *
+     * @throws Swift_IoException
+     *
+     * @return string|bool
+     */
+    public function read($length)
+    {
+        $fp = $this->_getReadHandle();
+        if (!feof($fp)) {
+            if ($this->_quotes) {
+                ini_set('magic_quotes_runtime', 0);
+            }
+            $bytes = fread($fp, $length);
+            if ($this->_quotes) {
+                ini_set('magic_quotes_runtime', 1);
+            }
+            $this->_offset = ftell($fp);
+
+            // If we read one byte after reaching the end of the file
+            // feof() will return false and an empty string is returned
+            if ($bytes === '' && feof($fp)) {
+                $this->_resetReadHandle();
+
+                return false;
+            }
+
+            return $bytes;
+        }
+
+        $this->_resetReadHandle();
+
+        return false;
+    }
+
+    /**
+     * Move the internal read pointer to $byteOffset in the stream.
+     *
+     * @param int $byteOffset
+     *
+     * @return bool
+     */
+    public function setReadPointer($byteOffset)
+    {
+        if (isset($this->_reader)) {
+            $this->_seekReadStreamToPosition($byteOffset);
+        }
+        $this->_offset = $byteOffset;
+    }
+
+    /** Just write the bytes to the file */
+    protected function _commit($bytes)
+    {
+        fwrite($this->_getWriteHandle(), $bytes);
+        $this->_resetReadHandle();
+    }
+
+    /** Not used */
+    protected function _flush()
+    {
+    }
+
+    /** Get the resource for reading */
+    private function _getReadHandle()
+    {
+        if (!isset($this->_reader)) {
+            $pointer = @fopen($this->_path, 'rb');
+            if (!$pointer) {
+                throw new Swift_IoException(
+                    'Unable to open file for reading ['.$this->_path.']'
+                );
+            }
+            $this->_reader = $pointer;
+            if ($this->_offset != 0) {
+                $this->_getReadStreamSeekableStatus();
+                $this->_seekReadStreamToPosition($this->_offset);
+            }
+        }
+
+        return $this->_reader;
+    }
+
+    /** Get the resource for writing */
+    private function _getWriteHandle()
+    {
+        if (!isset($this->_writer)) {
+            if (!$this->_writer = fopen($this->_path, $this->_mode)) {
+                throw new Swift_IoException(
+                    'Unable to open file for writing ['.$this->_path.']'
+                );
+            }
+        }
+
+        return $this->_writer;
+    }
+
+    /** Force a reload of the resource for reading */
+    private function _resetReadHandle()
+    {
+        if (isset($this->_reader)) {
+            fclose($this->_reader);
+            $this->_reader = null;
+        }
+    }
+
+    /** Check if ReadOnly Stream is seekable */
+    private function _getReadStreamSeekableStatus()
+    {
+        $metas = stream_get_meta_data($this->_reader);
+        $this->_seekable = $metas['seekable'];
+    }
+
+    /** Streams in a readOnly stream ensuring copy if needed */
+    private function _seekReadStreamToPosition($offset)
+    {
+        if ($this->_seekable === null) {
+            $this->_getReadStreamSeekableStatus();
+        }
+        if ($this->_seekable === false) {
+            $currentPos = ftell($this->_reader);
+            if ($currentPos < $offset) {
+                $toDiscard = $offset - $currentPos;
+                fread($this->_reader, $toDiscard);
+
+                return;
+            }
+            $this->_copyReadStream();
+        }
+        fseek($this->_reader, $offset, SEEK_SET);
+    }
+
+    /** Copy a readOnly Stream to ensure seekability */
+    private function _copyReadStream()
+    {
+        if ($tmpFile = fopen('php://temp/maxmemory:4096', 'w+b')) {
+            /* We have opened a php:// Stream Should work without problem */
+        } elseif (function_exists('sys_get_temp_dir') && is_writable(sys_get_temp_dir()) && ($tmpFile = tmpfile())) {
+            /* We have opened a tmpfile */
+        } else {
+            throw new Swift_IoException('Unable to copy the file to make it seekable, sys_temp_dir is not writable, php://memory not available');
+        }
+        $currentPos = ftell($this->_reader);
+        fclose($this->_reader);
+        $source = fopen($this->_path, 'rb');
+        if (!$source) {
+            throw new Swift_IoException('Unable to open file for copying ['.$this->_path.']');
+        }
+        fseek($tmpFile, 0, SEEK_SET);
+        while (!feof($source)) {
+            fwrite($tmpFile, fread($source, 4096));
+        }
+        fseek($tmpFile, $currentPos, SEEK_SET);
+        fclose($source);
+        $this->_reader = $tmpFile;
+    }
+}
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php
new file mode 100644
index 0000000..1c9a80c
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php
@@ -0,0 +1,42 @@
+<?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.
+*/
+
+/**
+ * @author Romain-Geissler
+ */
+class Swift_ByteStream_TemporaryFileByteStream extends Swift_ByteStream_FileByteStream
+{
+    public function __construct()
+    {
+        $filePath = tempnam(sys_get_temp_dir(), 'FileByteStream');
+
+        if ($filePath === false) {
+            throw new Swift_IoException('Failed to retrieve temporary file name.');
+        }
+
+        parent::__construct($filePath, true);
+    }
+
+    public function getContent()
+    {
+        if (($content = file_get_contents($this->getPath())) === false) {
+            throw new Swift_IoException('Failed to get temporary file content.');
+        }
+
+        return $content;
+    }
+
+    public function __destruct()
+    {
+        if (file_exists($this->getPath())) {
+            @unlink($this->getPath());
+        }
+    }
+}
-- 
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