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authorYuchen Pei <hi@ypei.me>2021-10-14 15:16:42 +1100
committerYuchen Pei <hi@ypei.me>2021-10-14 15:16:42 +1100
commit07f5140771388c9e0c8a99b0dd2e5d950bdb173b (patch)
tree323c00faef1edc7dea2e88ff581cc2258b2b6432 /h-source/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php
parente119be145500700f3c465e12664403a07530a421 (diff)
moving h-source subdir out.
Diffstat (limited to 'h-source/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php')
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diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php
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--- a/h-source/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php
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@@ -1,803 +0,0 @@
-<?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.
- */
-
-//@require 'Swift/Mime/HeaderSet.php';
-//@require 'Swift/OutputByteStream.php';
-//@require 'Swift/Mime/ContentEncoder.php';
-//@require 'Swift/KeyCache.php';
-
-/**
- * A MIME entity, in a multipart message.
- * @package Swift
- * @subpackage Mime
- * @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;
-
- /** A mime bounary, 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
- */
- public function __construct(Swift_Mime_HeaderSet $headers,
- Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache)
- {
- $this->_cacheKey = uniqid();
- $this->_cache = $cache;
- $this->_headers = $headers;
- $this->setEncoder($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.
- * @return int
- * @see LEVEL_TOP, LEVEL_MIXED, LEVEL_RELATED, LEVEL_ALTERNATIVE
- */
- 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 $type
- */
- public function setContentType($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()
- {
- return $this->_headers->has($this->_getIdField())
- ? current((array) $this->_getHeaderFieldModel($this->_getIdField()))
- : $this->_id;
- }
-
- /**
- * Set the CID of this entity.
- * @param string $id
- */
- public function setId($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 $description
- */
- public function setDescription($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 $length
- */
- public function setMaxLineLength($length)
- {
- $this->_maxLineLength = $length;
- return $this;
- }
-
- /**
- * Get all children added to this entity.
- * @return array of Swift_Mime_Entity
- */
- public function getChildren()
- {
- return $this->_children;
- }
-
- /**
- * Set all children of this entity.
- * @param array $children Swiift_Mime_Entity instances
- * @param int $compoundLevel For internal use only
- */
- 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 grandchilden
- $grandchildren = array_merge($grandchildren, $immediateChildren);
- //Set new children
- $immediateChildren = array($child);
- }
- else
- {
- $grandchildren[] = $child;
- }
- }
- }
-
- if (!empty($immediateChildren))
- {
- $lowestLevel = $this->_getNeededChildLevel($immediateChildren[0], $compoundLevel);
-
- //Determine which composite media type is needed to accomodate the
- // immediate children
- foreach ($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 $contentType optional
- */
- public function setBody($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
- */
- 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() . uniqid() . '_=_';
- }
- return $this->_boundary;
- }
-
- /**
- * Set the boundary used to separate children in this entity.
- * @param string $boundary
- * @throws Swift_RfcComplianceException
- */
- public function setBoundary($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 = $this->_headers->toString();
- if (isset($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.
- *
- * @return string
- *
- * @see toString()
- */
- public function __toString()
- {
- return $this->toString();
- }
-
- /**
- * Write this entire entity to a {@link Swift_InputByteStream}.
- * @param Swift_InputByteStream
- */
- public function toByteStream(Swift_InputByteStream $is)
- {
- $is->write($this->_headers->toString());
- $is->commit();
-
- if (empty($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");
- }
- }
-
- // -- Protected methods
-
- /**
- * 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;
- }
- else
- {
- 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, $value);
- return true;
- }
- else
- {
- return false;
- }
- }
-
- /**
- * Re-evaluate what content type and encoding should be used on this entity.
- */
- protected function _fixHeaders()
- {
- if (count($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.
- */
- protected function _getCache()
- {
- return $this->_cache;
- }
-
- /**
- * 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 = time() . '.' . uniqid();
- $idRight = !empty($_SERVER['SERVER_NAME'])
- ? $_SERVER['SERVER_NAME']
- : 'swift.generated';
- return $idLeft . '@' . $idRight;
- }
-
- // -- Private methods
-
- private function _readStream(Swift_OutputByteStream $os)
- {
- $string = '';
- while (false !== $bytes = $os->read(8192))
- {
- $string .= $bytes;
- }
- 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];
- }
- else
- {
- return $realLevel;
- }
- }
-
- private function _createChild()
- {
- return new self($this->_headers->newInstance(),
- $this->_encoder, $this->_cache);
- }
-
- 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);
- }
-
-}