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<?php |
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/** |
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* This file is part of the ZBateson\MailMimeParser project. |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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*/ |
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namespace ZBateson\MailMimeParser\Message\Part; |
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/** |
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* Represents a single part of a multi-part mime message. |
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* |
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* A MimePart object may have any number of child parts, or may be a child |
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* itself with its own parent or parents. |
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* |
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* The content of the part can be read from its PartStream resource handle, |
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* accessible via MessagePart::getContentResourceHandle. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class MimePart extends ParentHeaderPart |
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{ |
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/** |
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* Returns true if this part's mime type is multipart/* |
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* |
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* @return bool |
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*/ |
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public function isMultiPart() |
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{ |
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// casting to bool, preg_match returns 1 for true |
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return (bool) (preg_match( |
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'~multipart/\w+~i', |
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$this->getContentType() |
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)); |
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} |
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/** |
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* Returns a filename for the part if one is defined, or null otherwise. |
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* |
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* @return string |
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*/ |
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public function getFilename() |
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{ |
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return $this->getHeaderParameter( |
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'Content-Disposition', |
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'filename', |
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$this->getHeaderParameter( |
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'Content-Type', |
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'name' |
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) |
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); |
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} |
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/** |
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* Returns true. |
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* |
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* @return bool |
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*/ |
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public function isMime() |
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{ |
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return true; |
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} |
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/** |
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* Returns true if this part's mime type is text/plain, text/html or if the |
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* Content-Type header defines a charset. |
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* |
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* @return bool |
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*/ |
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public function isTextPart() |
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{ |
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return ($this->getCharset() !== null); |
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} |
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/** |
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* Returns the lower-cased, trimmed value of the Content-Type header. |
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* |
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* Parses the Content-Type header, defaults to returning text/plain if not |
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* defined. |
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* |
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* @return string |
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*/ |
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public function getContentType($default = 'text/plain') |
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{ |
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return trim(strtolower($this->getHeaderValue('Content-Type', $default))); |
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} |
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/** |
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* Returns the upper-cased charset of the Content-Type header's charset |
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* parameter if set, ISO-8859-1 if the Content-Type is text/plain or |
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* text/html and the charset parameter isn't set, or null otherwise. |
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* |
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* @return string |
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*/ |
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public function getCharset() |
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{ |
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$charset = $this->getHeaderParameter('Content-Type', 'charset'); |
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if ($charset === null) { |
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$contentType = $this->getContentType(); |
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if ($contentType === 'text/plain' || $contentType === 'text/html') { |
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return 'ISO-8859-1'; |
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} |
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return null; |
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} |
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return trim(strtoupper($charset)); |
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} |
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/** |
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* Returns the content's disposition, defaulting to 'inline' if not set. |
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* |
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* @return string |
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*/ |
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public function getContentDisposition($default = 'inline') |
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{ |
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return strtolower($this->getHeaderValue('Content-Disposition', $default)); |
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} |
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/** |
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* Returns the content-transfer-encoding used for this part, defaulting to |
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* '7bit' if not set. |
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* |
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* @return string |
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*/ |
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public function getContentTransferEncoding($default = '7bit') |
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{ |
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static $translated = [ |
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'x-uue' => 'x-uuencode', |
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'uue' => 'x-uuencode', |
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'uuencode' => 'x-uuencode' |
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]; |
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$type = strtolower($this->getHeaderValue('Content-Transfer-Encoding', $default)); |
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if (isset($translated[$type])) { |
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return $translated[$type]; |
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} |
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return $type; |
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} |
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} |
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zbateson /
mail-mime-parser
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