forked from Wavyzz/dolibarr
Add Swift Mailer to send mails
This commit is contained in:
frederic34
@@ -0,0 +1,229 @@
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<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Allows reading and writing of bytes to and from a file.
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*
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* @author Chris Corbyn
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*/
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class Swift_ByteStream_FileByteStream extends Swift_ByteStream_AbstractFilterableInputStream implements Swift_FileStream
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{
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/** The internal pointer offset */
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private $_offset = 0;
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/** The path to the file */
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private $_path;
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/** The mode this file is opened in for writing */
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private $_mode;
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/** A lazy-loaded resource handle for reading the file */
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private $_reader;
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/** A lazy-loaded resource handle for writing the file */
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private $_writer;
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/** If magic_quotes_runtime is on, this will be true */
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private $_quotes = false;
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/** If stream is seekable true/false, or null if not known */
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private $_seekable = null;
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/**
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* Create a new FileByteStream for $path.
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*
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* @param string $path
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* @param bool $writable if true
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*/
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public function __construct($path, $writable = false)
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{
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if (empty($path)) {
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throw new Swift_IoException('The path cannot be empty');
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}
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$this->_path = $path;
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$this->_mode = $writable ? 'w+b' : 'rb';
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if (function_exists('get_magic_quotes_runtime') && @get_magic_quotes_runtime() == 1) {
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$this->_quotes = true;
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}
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}
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/**
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* Get the complete path to the file.
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*
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* @return string
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*/
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public function getPath()
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{
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return $this->_path;
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}
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/**
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* Reads $length bytes from the stream into a string and moves the pointer
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* through the stream by $length.
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*
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* If less bytes exist than are requested the
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* remaining bytes are given instead. If no bytes are remaining at all, boolean
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* false is returned.
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*
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* @param int $length
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*
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* @throws Swift_IoException
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*
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* @return string|bool
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*/
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public function read($length)
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{
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$fp = $this->_getReadHandle();
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if (!feof($fp)) {
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if ($this->_quotes) {
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ini_set('magic_quotes_runtime', 0);
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}
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$bytes = fread($fp, $length);
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if ($this->_quotes) {
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ini_set('magic_quotes_runtime', 1);
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}
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$this->_offset = ftell($fp);
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// If we read one byte after reaching the end of the file
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// feof() will return false and an empty string is returned
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if ($bytes === '' && feof($fp)) {
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$this->_resetReadHandle();
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return false;
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}
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return $bytes;
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}
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$this->_resetReadHandle();
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return false;
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}
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/**
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* Move the internal read pointer to $byteOffset in the stream.
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*
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* @param int $byteOffset
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*
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* @return bool
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*/
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public function setReadPointer($byteOffset)
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{
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if (isset($this->_reader)) {
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$this->_seekReadStreamToPosition($byteOffset);
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}
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$this->_offset = $byteOffset;
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}
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/** Just write the bytes to the file */
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protected function _commit($bytes)
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{
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fwrite($this->_getWriteHandle(), $bytes);
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$this->_resetReadHandle();
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}
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/** Not used */
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protected function _flush()
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{
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}
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/** Get the resource for reading */
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private function _getReadHandle()
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{
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if (!isset($this->_reader)) {
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if (!$this->_reader = fopen($this->_path, 'rb')) {
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throw new Swift_IoException(
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'Unable to open file for reading ['.$this->_path.']'
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);
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}
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if ($this->_offset != 0) {
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$this->_getReadStreamSeekableStatus();
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$this->_seekReadStreamToPosition($this->_offset);
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}
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}
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return $this->_reader;
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}
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/** Get the resource for writing */
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private function _getWriteHandle()
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{
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if (!isset($this->_writer)) {
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if (!$this->_writer = fopen($this->_path, $this->_mode)) {
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throw new Swift_IoException(
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'Unable to open file for writing ['.$this->_path.']'
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);
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}
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}
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return $this->_writer;
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}
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/** Force a reload of the resource for reading */
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private function _resetReadHandle()
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{
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if (isset($this->_reader)) {
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fclose($this->_reader);
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$this->_reader = null;
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}
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}
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/** Check if ReadOnly Stream is seekable */
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private function _getReadStreamSeekableStatus()
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{
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$metas = stream_get_meta_data($this->_reader);
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$this->_seekable = $metas['seekable'];
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}
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/** Streams in a readOnly stream ensuring copy if needed */
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private function _seekReadStreamToPosition($offset)
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{
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if ($this->_seekable === null) {
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$this->_getReadStreamSeekableStatus();
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}
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if ($this->_seekable === false) {
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$currentPos = ftell($this->_reader);
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if ($currentPos < $offset) {
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$toDiscard = $offset - $currentPos;
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fread($this->_reader, $toDiscard);
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return;
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}
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$this->_copyReadStream();
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}
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fseek($this->_reader, $offset, SEEK_SET);
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}
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/** Copy a readOnly Stream to ensure seekability */
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private function _copyReadStream()
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{
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if ($tmpFile = fopen('php://temp/maxmemory:4096', 'w+b')) {
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/* We have opened a php:// Stream Should work without problem */
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} elseif (function_exists('sys_get_temp_dir') && is_writable(sys_get_temp_dir()) && ($tmpFile = tmpfile())) {
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/* We have opened a tmpfile */
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} else {
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throw new Swift_IoException('Unable to copy the file to make it seekable, sys_temp_dir is not writable, php://memory not available');
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}
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$currentPos = ftell($this->_reader);
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fclose($this->_reader);
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$source = fopen($this->_path, 'rb');
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if (!$source) {
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throw new Swift_IoException('Unable to open file for copying ['.$this->_path.']');
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}
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fseek($tmpFile, 0, SEEK_SET);
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while (!feof($source)) {
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fwrite($tmpFile, fread($source, 4096));
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}
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fseek($tmpFile, $currentPos, SEEK_SET);
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fclose($source);
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$this->_reader = $tmpFile;
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}
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}
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