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<?php /* * This file is part of SwiftMailer. * (c) 2004-2009 Chris Corbyn * * For the..
Decoded Output download
<?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.
*/
/**
* An abstract base MIME Header.
*
* @package Swift
* @subpackage Mime
* @author Chris Corbyn
*/
class Swift_Mime_Headers_ParameterizedHeader extends Swift_Mime_Headers_UnstructuredHeader implements Swift_Mime_ParameterizedHeader
{
/**
* RFC 2231's definition of a token.
*
* @var string
*/
const TOKEN_REGEX = '(?:[!#-'*+-.0-9A-Z^-~]+)';
/**
* The Encoder used to encode the parameters.
*
* @var Swift_Encoder
*/
private $_paramEncoder;
/**
* The parameters as an associative array.
*
* @var string[]
*/
private $_params = array();
/**
* Creates a new ParameterizedHeader with $name.
*
* @param string $name
* @param Swift_Mime_HeaderEncoder $encoder
* @param Swift_Encoder $paramEncoder, optional
* @param Swift_Mime_Grammar $grammar
*/
public function __construct($name, Swift_Mime_HeaderEncoder $encoder, Swift_Encoder $paramEncoder = null, Swift_Mime_Grammar $grammar)
{
parent::__construct($name, $encoder, $grammar);
$this->_paramEncoder = $paramEncoder;
}
/**
* Get the type of Header that this instance represents.
*
* @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
* @see TYPE_DATE, TYPE_ID, TYPE_PATH
*
* @return int
*/
public function getFieldType()
{
return self::TYPE_PARAMETERIZED;
}
/**
* Set the character set used in this Header.
*
* @param string $charset
*/
public function setCharset($charset)
{
parent::setCharset($charset);
if (isset($this->_paramEncoder)) {
$this->_paramEncoder->charsetChanged($charset);
}
}
/**
* Set the value of $parameter.
*
* @param string $parameter
* @param string $value
*/
public function setParameter($parameter, $value)
{
$this->setParameters(array_merge($this->getParameters(), array($parameter => $value)));
}
/**
* Get the value of $parameter.
*
* @param string $parameter
*
* @return string
*/
public function getParameter($parameter)
{
$params = $this->getParameters();
return array_key_exists($parameter, $params)
? $params[$parameter]
: null;
}
/**
* Set an associative array of parameter names mapped to values.
*
* @param string[] $parameters
*/
public function setParameters(array $parameters)
{
$this->clearCachedValueIf($this->_params != $parameters);
$this->_params = $parameters;
}
/**
* Returns an associative array of parameter names mapped to values.
*
* @return string[]
*/
public function getParameters()
{
return $this->_params;
}
/**
* Get the value of this header prepared for rendering.
*
* @return string
*/
public function getFieldBody() //TODO: Check caching here
{
$body = parent::getFieldBody();
foreach ($this->_params as $name => $value) {
if (!is_null($value)) {
// Add the parameter
$body .= '; ' . $this->_createParameter($name, $value);
}
}
return $body;
}
// -- Protected methods
/**
* Generate a list of all tokens in the final header.
*
* This doesn't need to be overridden in theory, but it is for implementation
* reasons to prevent potential breakage of attributes.
*
* @param string $string The string to tokenize
*
* @return array An array of tokens as strings
*/
protected function toTokens($string = null)
{
$tokens = parent::toTokens(parent::getFieldBody());
// Try creating any parameters
foreach ($this->_params as $name => $value) {
if (!is_null($value)) {
// Add the semi-colon separator
$tokens[count($tokens)-1] .= ';';
$tokens = array_merge($tokens, $this->generateTokenLines(
' ' . $this->_createParameter($name, $value)
));
}
}
return $tokens;
}
// -- Private methods
/**
* Render a RFC 2047 compliant header parameter from the $name and $value.
*
* @param string $name
* @param string $value
*
* @return string
*/
private function _createParameter($name, $value)
{
$origValue = $value;
$encoded = false;
// Allow room for parameter name, indices, "=" and DQUOTEs
$maxValueLength = $this->getMaxLineLength() - strlen($name . '=*N"";') - 1;
$firstLineOffset = 0;
// If it's not already a valid parameter value...
if (!preg_match('/^' . self::TOKEN_REGEX . '$/D', $value)) {
// TODO: text, or something else??
// ... and it's not ascii
if (!preg_match('/^' . $this->getGrammar()->getDefinition('text') . '*$/D', $value)) {
$encoded = true;
// Allow space for the indices, charset and language
$maxValueLength = $this->getMaxLineLength() - strlen($name . '*N*="";') - 1;
$firstLineOffset = strlen(
$this->getCharset() . "'" . $this->getLanguage() . "'"
);
}
}
// Encode if we need to
if ($encoded || strlen($value) > $maxValueLength) {
if (isset($this->_paramEncoder)) {
$value = $this->_paramEncoder->encodeString(
$origValue, $firstLineOffset, $maxValueLength, $this->getCharset()
);
} else { // We have to go against RFC 2183/2231 in some areas for interoperability
$value = $this->getTokenAsEncodedWord($origValue);
$encoded = false;
}
}
$valueLines = isset($this->_paramEncoder) ? explode("
", $value) : array($value);
// Need to add indices
if (count($valueLines) > 1) {
$paramLines = array();
foreach ($valueLines as $i => $line) {
$paramLines[] = $name . '*' . $i .
$this->_getEndOfParameterValue($line, true, $i == 0);
}
return implode(";
", $paramLines);
} else {
return $name . $this->_getEndOfParameterValue(
$valueLines[0], $encoded, true
);
}
}
/**
* Returns the parameter value from the "=" and beyond.
*
* @param string $value to append
* @param boolean $encoded
* @param boolean $firstLine
*
* @return string
*/
private function _getEndOfParameterValue($value, $encoded = false, $firstLine = false)
{
if (!preg_match('/^' . self::TOKEN_REGEX . '$/D', $value)) {
$value = '"' . $value . '"';
}
$prepend = '=';
if ($encoded) {
$prepend = '*=';
if ($firstLine) {
$prepend = '*=' . $this->getCharset() . "'" . $this->getLanguage() .
"'";
}
}
return $prepend . $value;
}
}
?>
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Original Code
<?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.
*/
/**
* An abstract base MIME Header.
*
* @package Swift
* @subpackage Mime
* @author Chris Corbyn
*/
class Swift_Mime_Headers_ParameterizedHeader extends Swift_Mime_Headers_UnstructuredHeader implements Swift_Mime_ParameterizedHeader
{
/**
* RFC 2231's definition of a token.
*
* @var string
*/
const TOKEN_REGEX = '(?:[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)';
/**
* The Encoder used to encode the parameters.
*
* @var Swift_Encoder
*/
private $_paramEncoder;
/**
* The parameters as an associative array.
*
* @var string[]
*/
private $_params = array();
/**
* Creates a new ParameterizedHeader with $name.
*
* @param string $name
* @param Swift_Mime_HeaderEncoder $encoder
* @param Swift_Encoder $paramEncoder, optional
* @param Swift_Mime_Grammar $grammar
*/
public function __construct($name, Swift_Mime_HeaderEncoder $encoder, Swift_Encoder $paramEncoder = null, Swift_Mime_Grammar $grammar)
{
parent::__construct($name, $encoder, $grammar);
$this->_paramEncoder = $paramEncoder;
}
/**
* Get the type of Header that this instance represents.
*
* @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
* @see TYPE_DATE, TYPE_ID, TYPE_PATH
*
* @return int
*/
public function getFieldType()
{
return self::TYPE_PARAMETERIZED;
}
/**
* Set the character set used in this Header.
*
* @param string $charset
*/
public function setCharset($charset)
{
parent::setCharset($charset);
if (isset($this->_paramEncoder)) {
$this->_paramEncoder->charsetChanged($charset);
}
}
/**
* Set the value of $parameter.
*
* @param string $parameter
* @param string $value
*/
public function setParameter($parameter, $value)
{
$this->setParameters(array_merge($this->getParameters(), array($parameter => $value)));
}
/**
* Get the value of $parameter.
*
* @param string $parameter
*
* @return string
*/
public function getParameter($parameter)
{
$params = $this->getParameters();
return array_key_exists($parameter, $params)
? $params[$parameter]
: null;
}
/**
* Set an associative array of parameter names mapped to values.
*
* @param string[] $parameters
*/
public function setParameters(array $parameters)
{
$this->clearCachedValueIf($this->_params != $parameters);
$this->_params = $parameters;
}
/**
* Returns an associative array of parameter names mapped to values.
*
* @return string[]
*/
public function getParameters()
{
return $this->_params;
}
/**
* Get the value of this header prepared for rendering.
*
* @return string
*/
public function getFieldBody() //TODO: Check caching here
{
$body = parent::getFieldBody();
foreach ($this->_params as $name => $value) {
if (!is_null($value)) {
// Add the parameter
$body .= '; ' . $this->_createParameter($name, $value);
}
}
return $body;
}
// -- Protected methods
/**
* Generate a list of all tokens in the final header.
*
* This doesn't need to be overridden in theory, but it is for implementation
* reasons to prevent potential breakage of attributes.
*
* @param string $string The string to tokenize
*
* @return array An array of tokens as strings
*/
protected function toTokens($string = null)
{
$tokens = parent::toTokens(parent::getFieldBody());
// Try creating any parameters
foreach ($this->_params as $name => $value) {
if (!is_null($value)) {
// Add the semi-colon separator
$tokens[count($tokens)-1] .= ';';
$tokens = array_merge($tokens, $this->generateTokenLines(
' ' . $this->_createParameter($name, $value)
));
}
}
return $tokens;
}
// -- Private methods
/**
* Render a RFC 2047 compliant header parameter from the $name and $value.
*
* @param string $name
* @param string $value
*
* @return string
*/
private function _createParameter($name, $value)
{
$origValue = $value;
$encoded = false;
// Allow room for parameter name, indices, "=" and DQUOTEs
$maxValueLength = $this->getMaxLineLength() - strlen($name . '=*N"";') - 1;
$firstLineOffset = 0;
// If it's not already a valid parameter value...
if (!preg_match('/^' . self::TOKEN_REGEX . '$/D', $value)) {
// TODO: text, or something else??
// ... and it's not ascii
if (!preg_match('/^' . $this->getGrammar()->getDefinition('text') . '*$/D', $value)) {
$encoded = true;
// Allow space for the indices, charset and language
$maxValueLength = $this->getMaxLineLength() - strlen($name . '*N*="";') - 1;
$firstLineOffset = strlen(
$this->getCharset() . "'" . $this->getLanguage() . "'"
);
}
}
// Encode if we need to
if ($encoded || strlen($value) > $maxValueLength) {
if (isset($this->_paramEncoder)) {
$value = $this->_paramEncoder->encodeString(
$origValue, $firstLineOffset, $maxValueLength, $this->getCharset()
);
} else { // We have to go against RFC 2183/2231 in some areas for interoperability
$value = $this->getTokenAsEncodedWord($origValue);
$encoded = false;
}
}
$valueLines = isset($this->_paramEncoder) ? explode("\r\n", $value) : array($value);
// Need to add indices
if (count($valueLines) > 1) {
$paramLines = array();
foreach ($valueLines as $i => $line) {
$paramLines[] = $name . '*' . $i .
$this->_getEndOfParameterValue($line, true, $i == 0);
}
return implode(";\r\n ", $paramLines);
} else {
return $name . $this->_getEndOfParameterValue(
$valueLines[0], $encoded, true
);
}
}
/**
* Returns the parameter value from the "=" and beyond.
*
* @param string $value to append
* @param boolean $encoded
* @param boolean $firstLine
*
* @return string
*/
private function _getEndOfParameterValue($value, $encoded = false, $firstLine = false)
{
if (!preg_match('/^' . self::TOKEN_REGEX . '$/D', $value)) {
$value = '"' . $value . '"';
}
$prepend = '=';
if ($encoded) {
$prepend = '*=';
if ($firstLine) {
$prepend = '*=' . $this->getCharset() . "'" . $this->getLanguage() .
"'";
}
}
return $prepend . $value;
}
}
Function Calls
None |
Stats
MD5 | c3dd105a536f2348df77c023a798a3d7 |
Eval Count | 0 |
Decode Time | 94 ms |