mirror of
https://github.com/avecms/AVE.cms.git
synced 2025-10-31 05:36:39 +00:00
844 lines
23 KiB
PHP
844 lines
23 KiB
PHP
<?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.
|
|
*/
|
|
|
|
/**
|
|
* A MIME entity, in a multipart message.
|
|
*
|
|
* @author Chris Corbyn
|
|
*/
|
|
class Swift_Mime_SimpleMimeEntity implements Swift_Mime_MimeEntity
|
|
{
|
|
/** A collection of Headers for this mime entity */
|
|
private $_headers;
|
|
|
|
/** The body as a string, or a stream */
|
|
private $_body;
|
|
|
|
/** The encoder that encodes the body into a streamable format */
|
|
private $_encoder;
|
|
|
|
/** The grammar to use for id validation */
|
|
private $_grammar;
|
|
|
|
/** A mime boundary, if any is used */
|
|
private $_boundary;
|
|
|
|
/** Mime types to be used based on the nesting level */
|
|
private $_compositeRanges = array(
|
|
'multipart/mixed' => array(self::LEVEL_TOP, self::LEVEL_MIXED),
|
|
'multipart/alternative' => array(self::LEVEL_MIXED, self::LEVEL_ALTERNATIVE),
|
|
'multipart/related' => array(self::LEVEL_ALTERNATIVE, self::LEVEL_RELATED),
|
|
);
|
|
|
|
/** A set of filter rules to define what level an entity should be nested at */
|
|
private $_compoundLevelFilters = array();
|
|
|
|
/** The nesting level of this entity */
|
|
private $_nestingLevel = self::LEVEL_ALTERNATIVE;
|
|
|
|
/** A KeyCache instance used during encoding and streaming */
|
|
private $_cache;
|
|
|
|
/** Direct descendants of this entity */
|
|
private $_immediateChildren = array();
|
|
|
|
/** All descendants of this entity */
|
|
private $_children = array();
|
|
|
|
/** The maximum line length of the body of this entity */
|
|
private $_maxLineLength = 78;
|
|
|
|
/** The order in which alternative mime types should appear */
|
|
private $_alternativePartOrder = array(
|
|
'text/plain' => 1,
|
|
'text/html' => 2,
|
|
'multipart/related' => 3,
|
|
);
|
|
|
|
/** The CID of this entity */
|
|
private $_id;
|
|
|
|
/** The key used for accessing the cache */
|
|
private $_cacheKey;
|
|
|
|
protected $_userContentType;
|
|
|
|
/**
|
|
* Create a new SimpleMimeEntity with $headers, $encoder and $cache.
|
|
*
|
|
* @param Swift_Mime_HeaderSet $headers
|
|
* @param Swift_Mime_ContentEncoder $encoder
|
|
* @param Swift_KeyCache $cache
|
|
* @param Swift_Mime_Grammar $grammar
|
|
*/
|
|
public function __construct(Swift_Mime_HeaderSet $headers, Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, Swift_Mime_Grammar $grammar)
|
|
{
|
|
$this->_cacheKey = md5(uniqid(getmypid().mt_rand(), true));
|
|
$this->_cache = $cache;
|
|
$this->_headers = $headers;
|
|
$this->_grammar = $grammar;
|
|
$this->setEncoder($encoder);
|
|
$this->_headers->defineOrdering(array('Content-Type', 'Content-Transfer-Encoding'));
|
|
|
|
// This array specifies that, when the entire MIME document contains
|
|
// $compoundLevel, then for each child within $level, if its Content-Type
|
|
// is $contentType then it should be treated as if it's level is
|
|
// $neededLevel instead. I tried to write that unambiguously! :-\
|
|
// Data Structure:
|
|
// array (
|
|
// $compoundLevel => array(
|
|
// $level => array(
|
|
// $contentType => $neededLevel
|
|
// )
|
|
// )
|
|
// )
|
|
|
|
$this->_compoundLevelFilters = array(
|
|
(self::LEVEL_ALTERNATIVE + self::LEVEL_RELATED) => array(
|
|
self::LEVEL_ALTERNATIVE => array(
|
|
'text/plain' => self::LEVEL_ALTERNATIVE,
|
|
'text/html' => self::LEVEL_RELATED,
|
|
),
|
|
),
|
|
);
|
|
|
|
$this->_id = $this->getRandomId();
|
|
}
|
|
|
|
/**
|
|
* Generate a new Content-ID or Message-ID for this MIME entity.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function generateId()
|
|
{
|
|
$this->setId($this->getRandomId());
|
|
|
|
return $this->_id;
|
|
}
|
|
|
|
/**
|
|
* Get the {@link Swift_Mime_HeaderSet} for this entity.
|
|
*
|
|
* @return Swift_Mime_HeaderSet
|
|
*/
|
|
public function getHeaders()
|
|
{
|
|
return $this->_headers;
|
|
}
|
|
|
|
/**
|
|
* Get the nesting level of this entity.
|
|
*
|
|
* @see LEVEL_TOP, LEVEL_MIXED, LEVEL_RELATED, LEVEL_ALTERNATIVE
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getNestingLevel()
|
|
{
|
|
return $this->_nestingLevel;
|
|
}
|
|
|
|
/**
|
|
* Get the Content-type of this entity.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getContentType()
|
|
{
|
|
return $this->_getHeaderFieldModel('Content-Type');
|
|
}
|
|
|
|
/**
|
|
* Set the Content-type of this entity.
|
|
*
|
|
* @param string $type
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setContentType($type)
|
|
{
|
|
$this->_setContentTypeInHeaders($type);
|
|
// Keep track of the value so that if the content-type changes automatically
|
|
// due to added child entities, it can be restored if they are later removed
|
|
$this->_userContentType = $type;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the CID of this entity.
|
|
*
|
|
* The CID will only be present in headers if a Content-ID header is present.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getId()
|
|
{
|
|
$tmp = (array) $this->_getHeaderFieldModel($this->_getIdField());
|
|
|
|
return $this->_headers->has($this->_getIdField()) ? current($tmp) : $this->_id;
|
|
}
|
|
|
|
/**
|
|
* Set the CID of this entity.
|
|
*
|
|
* @param string $id
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setId($id)
|
|
{
|
|
if (!$this->_setHeaderFieldModel($this->_getIdField(), $id)) {
|
|
$this->_headers->addIdHeader($this->_getIdField(), $id);
|
|
}
|
|
$this->_id = $id;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the description of this entity.
|
|
*
|
|
* This value comes from the Content-Description header if set.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getDescription()
|
|
{
|
|
return $this->_getHeaderFieldModel('Content-Description');
|
|
}
|
|
|
|
/**
|
|
* Set the description of this entity.
|
|
*
|
|
* This method sets a value in the Content-ID header.
|
|
*
|
|
* @param string $description
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setDescription($description)
|
|
{
|
|
if (!$this->_setHeaderFieldModel('Content-Description', $description)) {
|
|
$this->_headers->addTextHeader('Content-Description', $description);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the maximum line length of the body of this entity.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getMaxLineLength()
|
|
{
|
|
return $this->_maxLineLength;
|
|
}
|
|
|
|
/**
|
|
* Set the maximum line length of lines in this body.
|
|
*
|
|
* Though not enforced by the library, lines should not exceed 1000 chars.
|
|
*
|
|
* @param int $length
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setMaxLineLength($length)
|
|
{
|
|
$this->_maxLineLength = $length;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get all children added to this entity.
|
|
*
|
|
* @return Swift_Mime_MimeEntity[]
|
|
*/
|
|
public function getChildren()
|
|
{
|
|
return $this->_children;
|
|
}
|
|
|
|
/**
|
|
* Set all children of this entity.
|
|
*
|
|
* @param Swift_Mime_MimeEntity[] $children
|
|
* @param int $compoundLevel For internal use only
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setChildren(array $children, $compoundLevel = null)
|
|
{
|
|
// TODO: Try to refactor this logic
|
|
|
|
$compoundLevel = isset($compoundLevel) ? $compoundLevel : $this->_getCompoundLevel($children);
|
|
$immediateChildren = array();
|
|
$grandchildren = array();
|
|
$newContentType = $this->_userContentType;
|
|
|
|
foreach ($children as $child) {
|
|
$level = $this->_getNeededChildLevel($child, $compoundLevel);
|
|
if (empty($immediateChildren)) {
|
|
//first iteration
|
|
$immediateChildren = array($child);
|
|
} else {
|
|
$nextLevel = $this->_getNeededChildLevel($immediateChildren[0], $compoundLevel);
|
|
if ($nextLevel == $level) {
|
|
$immediateChildren[] = $child;
|
|
} elseif ($level < $nextLevel) {
|
|
// Re-assign immediateChildren to grandchildren
|
|
$grandchildren = array_merge($grandchildren, $immediateChildren);
|
|
// Set new children
|
|
$immediateChildren = array($child);
|
|
} else {
|
|
$grandchildren[] = $child;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($immediateChildren) {
|
|
$lowestLevel = $this->_getNeededChildLevel($immediateChildren[0], $compoundLevel);
|
|
|
|
// Determine which composite media type is needed to accommodate the
|
|
// immediate children
|
|
foreach ($this->_compositeRanges as $mediaType => $range) {
|
|
if ($lowestLevel > $range[0] && $lowestLevel <= $range[1]) {
|
|
$newContentType = $mediaType;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Put any grandchildren in a subpart
|
|
if (!empty($grandchildren)) {
|
|
$subentity = $this->_createChild();
|
|
$subentity->_setNestingLevel($lowestLevel);
|
|
$subentity->setChildren($grandchildren, $compoundLevel);
|
|
array_unshift($immediateChildren, $subentity);
|
|
}
|
|
}
|
|
|
|
$this->_immediateChildren = $immediateChildren;
|
|
$this->_children = $children;
|
|
$this->_setContentTypeInHeaders($newContentType);
|
|
$this->_fixHeaders();
|
|
$this->_sortChildren();
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the body of this entity as a string.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getBody()
|
|
{
|
|
return $this->_body instanceof Swift_OutputByteStream ? $this->_readStream($this->_body) : $this->_body;
|
|
}
|
|
|
|
/**
|
|
* Set the body of this entity, either as a string, or as an instance of
|
|
* {@link Swift_OutputByteStream}.
|
|
*
|
|
* @param mixed $body
|
|
* @param string $contentType optional
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setBody($body, $contentType = null)
|
|
{
|
|
if ($body !== $this->_body) {
|
|
$this->_clearCache();
|
|
}
|
|
|
|
$this->_body = $body;
|
|
if (isset($contentType)) {
|
|
$this->setContentType($contentType);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the encoder used for the body of this entity.
|
|
*
|
|
* @return Swift_Mime_ContentEncoder
|
|
*/
|
|
public function getEncoder()
|
|
{
|
|
return $this->_encoder;
|
|
}
|
|
|
|
/**
|
|
* Set the encoder used for the body of this entity.
|
|
*
|
|
* @param Swift_Mime_ContentEncoder $encoder
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setEncoder(Swift_Mime_ContentEncoder $encoder)
|
|
{
|
|
if ($encoder !== $this->_encoder) {
|
|
$this->_clearCache();
|
|
}
|
|
|
|
$this->_encoder = $encoder;
|
|
$this->_setEncoding($encoder->getName());
|
|
$this->_notifyEncoderChanged($encoder);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the boundary used to separate children in this entity.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getBoundary()
|
|
{
|
|
if (!isset($this->_boundary)) {
|
|
$this->_boundary = '_=_swift_v4_'.time().'_'.md5(getmypid().mt_rand().uniqid('', true)).'_=_';
|
|
}
|
|
|
|
return $this->_boundary;
|
|
}
|
|
|
|
/**
|
|
* Set the boundary used to separate children in this entity.
|
|
*
|
|
* @param string $boundary
|
|
*
|
|
* @throws Swift_RfcComplianceException
|
|
*
|
|
* @return Swift_Mime_SimpleMimeEntity
|
|
*/
|
|
public function setBoundary($boundary)
|
|
{
|
|
$this->_assertValidBoundary($boundary);
|
|
$this->_boundary = $boundary;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Receive notification that the charset of this entity, or a parent entity
|
|
* has changed.
|
|
*
|
|
* @param string $charset
|
|
*/
|
|
public function charsetChanged($charset)
|
|
{
|
|
$this->_notifyCharsetChanged($charset);
|
|
}
|
|
|
|
/**
|
|
* Receive notification that the encoder of this entity or a parent entity
|
|
* has changed.
|
|
*
|
|
* @param Swift_Mime_ContentEncoder $encoder
|
|
*/
|
|
public function encoderChanged(Swift_Mime_ContentEncoder $encoder)
|
|
{
|
|
$this->_notifyEncoderChanged($encoder);
|
|
}
|
|
|
|
/**
|
|
* Get this entire entity as a string.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function toString()
|
|
{
|
|
$string = $this->_headers->toString();
|
|
$string .= $this->_bodyToString();
|
|
|
|
return $string;
|
|
}
|
|
|
|
/**
|
|
* Get this entire entity as a string.
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function _bodyToString()
|
|
{
|
|
$string = '';
|
|
|
|
if (isset($this->_body) && empty($this->_immediateChildren)) {
|
|
if ($this->_cache->hasKey($this->_cacheKey, 'body')) {
|
|
$body = $this->_cache->getString($this->_cacheKey, 'body');
|
|
} else {
|
|
$body = "\r\n".$this->_encoder->encodeString($this->getBody(), 0, $this->getMaxLineLength());
|
|
$this->_cache->setString($this->_cacheKey, 'body', $body, Swift_KeyCache::MODE_WRITE);
|
|
}
|
|
$string .= $body;
|
|
}
|
|
|
|
if (!empty($this->_immediateChildren)) {
|
|
foreach ($this->_immediateChildren as $child) {
|
|
$string .= "\r\n\r\n--".$this->getBoundary()."\r\n";
|
|
$string .= $child->toString();
|
|
}
|
|
$string .= "\r\n\r\n--".$this->getBoundary()."--\r\n";
|
|
}
|
|
|
|
return $string;
|
|
}
|
|
|
|
/**
|
|
* Returns a string representation of this object.
|
|
*
|
|
* @see toString()
|
|
*
|
|
* @return string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return $this->toString();
|
|
}
|
|
|
|
/**
|
|
* Write this entire entity to a {@see Swift_InputByteStream}.
|
|
*
|
|
* @param Swift_InputByteStream
|
|
*/
|
|
public function toByteStream(Swift_InputByteStream $is)
|
|
{
|
|
$is->write($this->_headers->toString());
|
|
$is->commit();
|
|
|
|
$this->_bodyToByteStream($is);
|
|
}
|
|
|
|
/**
|
|
* Write this entire entity to a {@link Swift_InputByteStream}.
|
|
*
|
|
* @param Swift_InputByteStream
|
|
*/
|
|
protected function _bodyToByteStream(Swift_InputByteStream $is)
|
|
{
|
|
if (empty($this->_immediateChildren)) {
|
|
if (isset($this->_body)) {
|
|
if ($this->_cache->hasKey($this->_cacheKey, 'body')) {
|
|
$this->_cache->exportToByteStream($this->_cacheKey, 'body', $is);
|
|
} else {
|
|
$cacheIs = $this->_cache->getInputByteStream($this->_cacheKey, 'body');
|
|
if ($cacheIs) {
|
|
$is->bind($cacheIs);
|
|
}
|
|
|
|
$is->write("\r\n");
|
|
|
|
if ($this->_body instanceof Swift_OutputByteStream) {
|
|
$this->_body->setReadPointer(0);
|
|
|
|
$this->_encoder->encodeByteStream($this->_body, $is, 0, $this->getMaxLineLength());
|
|
} else {
|
|
$is->write($this->_encoder->encodeString($this->getBody(), 0, $this->getMaxLineLength()));
|
|
}
|
|
|
|
if ($cacheIs) {
|
|
$is->unbind($cacheIs);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($this->_immediateChildren)) {
|
|
foreach ($this->_immediateChildren as $child) {
|
|
$is->write("\r\n\r\n--".$this->getBoundary()."\r\n");
|
|
$child->toByteStream($is);
|
|
}
|
|
$is->write("\r\n\r\n--".$this->getBoundary()."--\r\n");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the name of the header that provides the ID of this entity.
|
|
*/
|
|
protected function _getIdField()
|
|
{
|
|
return 'Content-ID';
|
|
}
|
|
|
|
/**
|
|
* Get the model data (usually an array or a string) for $field.
|
|
*/
|
|
protected function _getHeaderFieldModel($field)
|
|
{
|
|
if ($this->_headers->has($field)) {
|
|
return $this->_headers->get($field)->getFieldBodyModel();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the model data for $field.
|
|
*/
|
|
protected function _setHeaderFieldModel($field, $model)
|
|
{
|
|
if ($this->_headers->has($field)) {
|
|
$this->_headers->get($field)->setFieldBodyModel($model);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the parameter value of $parameter on $field header.
|
|
*/
|
|
protected function _getHeaderParameter($field, $parameter)
|
|
{
|
|
if ($this->_headers->has($field)) {
|
|
return $this->_headers->get($field)->getParameter($parameter);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the parameter value of $parameter on $field header.
|
|
*/
|
|
protected function _setHeaderParameter($field, $parameter, $value)
|
|
{
|
|
if ($this->_headers->has($field)) {
|
|
$this->_headers->get($field)->setParameter($parameter, $value);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Re-evaluate what content type and encoding should be used on this entity.
|
|
*/
|
|
protected function _fixHeaders()
|
|
{
|
|
if (count($this->_immediateChildren)) {
|
|
$this->_setHeaderParameter('Content-Type', 'boundary',
|
|
$this->getBoundary()
|
|
);
|
|
$this->_headers->remove('Content-Transfer-Encoding');
|
|
} else {
|
|
$this->_setHeaderParameter('Content-Type', 'boundary', null);
|
|
$this->_setEncoding($this->_encoder->getName());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the KeyCache used in this entity.
|
|
*
|
|
* @return Swift_KeyCache
|
|
*/
|
|
protected function _getCache()
|
|
{
|
|
return $this->_cache;
|
|
}
|
|
|
|
/**
|
|
* Get the grammar used for validation.
|
|
*
|
|
* @return Swift_Mime_Grammar
|
|
*/
|
|
protected function _getGrammar()
|
|
{
|
|
return $this->_grammar;
|
|
}
|
|
|
|
/**
|
|
* Empty the KeyCache for this entity.
|
|
*/
|
|
protected function _clearCache()
|
|
{
|
|
$this->_cache->clearKey($this->_cacheKey, 'body');
|
|
}
|
|
|
|
/**
|
|
* Returns a random Content-ID or Message-ID.
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function getRandomId()
|
|
{
|
|
$idLeft = md5(getmypid().'.'.time().'.'.uniqid(mt_rand(), true));
|
|
$idRight = !empty($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'swift.generated';
|
|
$id = $idLeft.'@'.$idRight;
|
|
|
|
try {
|
|
$this->_assertValidId($id);
|
|
} catch (Swift_RfcComplianceException $e) {
|
|
$id = $idLeft.'@swift.generated';
|
|
}
|
|
|
|
return $id;
|
|
}
|
|
|
|
private function _readStream(Swift_OutputByteStream $os)
|
|
{
|
|
$string = '';
|
|
while (false !== $bytes = $os->read(8192)) {
|
|
$string .= $bytes;
|
|
}
|
|
|
|
$os->setReadPointer(0);
|
|
|
|
return $string;
|
|
}
|
|
|
|
private function _setEncoding($encoding)
|
|
{
|
|
if (!$this->_setHeaderFieldModel('Content-Transfer-Encoding', $encoding)) {
|
|
$this->_headers->addTextHeader('Content-Transfer-Encoding', $encoding);
|
|
}
|
|
}
|
|
|
|
private function _assertValidBoundary($boundary)
|
|
{
|
|
if (!preg_match('/^[a-z0-9\'\(\)\+_\-,\.\/:=\?\ ]{0,69}[a-z0-9\'\(\)\+_\-,\.\/:=\?]$/Di', $boundary)) {
|
|
throw new Swift_RfcComplianceException('Mime boundary set is not RFC 2046 compliant.');
|
|
}
|
|
}
|
|
|
|
private function _setContentTypeInHeaders($type)
|
|
{
|
|
if (!$this->_setHeaderFieldModel('Content-Type', $type)) {
|
|
$this->_headers->addParameterizedHeader('Content-Type', $type);
|
|
}
|
|
}
|
|
|
|
private function _setNestingLevel($level)
|
|
{
|
|
$this->_nestingLevel = $level;
|
|
}
|
|
|
|
private function _getCompoundLevel($children)
|
|
{
|
|
$level = 0;
|
|
foreach ($children as $child) {
|
|
$level |= $child->getNestingLevel();
|
|
}
|
|
|
|
return $level;
|
|
}
|
|
|
|
private function _getNeededChildLevel($child, $compoundLevel)
|
|
{
|
|
$filter = array();
|
|
foreach ($this->_compoundLevelFilters as $bitmask => $rules) {
|
|
if (($compoundLevel & $bitmask) === $bitmask) {
|
|
$filter = $rules + $filter;
|
|
}
|
|
}
|
|
|
|
$realLevel = $child->getNestingLevel();
|
|
$lowercaseType = strtolower($child->getContentType());
|
|
|
|
if (isset($filter[$realLevel]) && isset($filter[$realLevel][$lowercaseType])) {
|
|
return $filter[$realLevel][$lowercaseType];
|
|
}
|
|
|
|
return $realLevel;
|
|
}
|
|
|
|
private function _createChild()
|
|
{
|
|
return new self($this->_headers->newInstance(), $this->_encoder, $this->_cache, $this->_grammar);
|
|
}
|
|
|
|
private function _notifyEncoderChanged(Swift_Mime_ContentEncoder $encoder)
|
|
{
|
|
foreach ($this->_immediateChildren as $child) {
|
|
$child->encoderChanged($encoder);
|
|
}
|
|
}
|
|
|
|
private function _notifyCharsetChanged($charset)
|
|
{
|
|
$this->_encoder->charsetChanged($charset);
|
|
$this->_headers->charsetChanged($charset);
|
|
foreach ($this->_immediateChildren as $child) {
|
|
$child->charsetChanged($charset);
|
|
}
|
|
}
|
|
|
|
private function _sortChildren()
|
|
{
|
|
$shouldSort = false;
|
|
foreach ($this->_immediateChildren as $child) {
|
|
// NOTE: This include alternative parts moved into a related part
|
|
if ($child->getNestingLevel() == self::LEVEL_ALTERNATIVE) {
|
|
$shouldSort = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Sort in order of preference, if there is one
|
|
if ($shouldSort) {
|
|
usort($this->_immediateChildren, array($this, '_childSortAlgorithm'));
|
|
}
|
|
}
|
|
|
|
private function _childSortAlgorithm($a, $b)
|
|
{
|
|
$typePrefs = array();
|
|
$types = array(strtolower($a->getContentType()), strtolower($b->getContentType()));
|
|
|
|
foreach ($types as $type) {
|
|
$typePrefs[] = array_key_exists($type, $this->_alternativePartOrder) ? $this->_alternativePartOrder[$type] : max($this->_alternativePartOrder) + 1;
|
|
}
|
|
|
|
return $typePrefs[0] >= $typePrefs[1] ? 1 : -1;
|
|
}
|
|
|
|
// -- Destructor
|
|
|
|
/**
|
|
* Empties it's own contents from the cache.
|
|
*/
|
|
public function __destruct()
|
|
{
|
|
$this->_cache->clearAll($this->_cacheKey);
|
|
}
|
|
|
|
/**
|
|
* Throws an Exception if the id passed does not comply with RFC 2822.
|
|
*
|
|
* @param string $id
|
|
*
|
|
* @throws Swift_RfcComplianceException
|
|
*/
|
|
private function _assertValidId($id)
|
|
{
|
|
if (!preg_match('/^'.$this->_grammar->getDefinition('id-left').'@'.$this->_grammar->getDefinition('id-right').'$/D', $id)) {
|
|
throw new Swift_RfcComplianceException('Invalid ID given <'.$id.'>');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Make a deep copy of object.
|
|
*/
|
|
public function __clone()
|
|
{
|
|
$this->_headers = clone $this->_headers;
|
|
$this->_encoder = clone $this->_encoder;
|
|
$this->_cacheKey = md5(uniqid(getmypid().mt_rand(), true));
|
|
$children = array();
|
|
foreach ($this->_children as $pos => $child) {
|
|
$children[$pos] = clone $child;
|
|
}
|
|
$this->setChildren($children);
|
|
}
|
|
}
|