From 9eeded33f68872515954a2fc177fcb47a9273ae9 Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Fri, 15 Aug 2014 17:23:41 -0700
Subject: Add email notifications

---
 .../classes/Swift/ByteStream/FileByteStream.php    | 229 +++++++++++++++++++++
 1 file changed, 229 insertions(+)
 create mode 100644 vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php

(limited to 'vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php')

diff --git a/vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php b/vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php
new file mode 100644
index 00000000..9f3218f7
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php
@@ -0,0 +1,229 @@
+<?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     $length
+     *
+     * @return string|bool
+     *
+     * @throws Swift_IoException
+     */
+    public function read($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)) {
+            if (!$this->_reader = fopen($this->_path, 'rb')) {
+                throw new Swift_IoException(
+                    'Unable to open file for reading [' . $this->_path . ']'
+                );
+            }
+            if ($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;
+    }
+}
-- 
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