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0001 <?php
0002 /**
0003  * Zend Framework
0004  *
0005  * LICENSE
0006  *
0007  * This source file is subject to the new BSD license that is bundled
0008  * with this package in the file LICENSE.txt.
0009  * It is also available through the world-wide-web at this URL:
0010  * http://framework.zend.com/license/new-bsd
0011  * If you did not receive a copy of the license and are unable to
0012  * obtain it through the world-wide-web, please send an email
0013  * to license@zend.com so we can send you a copy immediately.
0014  *
0015  * @category   Zend
0016  * @package    Zend_Mime
0017  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0018  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0019  * @version    $Id$
0020  */
0021 
0022 /**
0023  * Zend_Mime
0024  */
0025 // require_once 'Zend/Mime.php';
0026 
0027 /**
0028  * Class representing a MIME part.
0029  *
0030  * @category   Zend
0031  * @package    Zend_Mime
0032  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0033  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0034  */
0035 class Zend_Mime_Part
0036 {
0037 
0038     /**
0039      * Type
0040      *
0041      * @var string
0042      */
0043     public $type = Zend_Mime::TYPE_OCTETSTREAM;
0044 
0045     /**
0046      * Encoding
0047      *
0048      * @var string
0049      */
0050     public $encoding = Zend_Mime::ENCODING_8BIT;
0051 
0052     /**
0053      * ID
0054      *
0055      * @var string
0056      */
0057     public $id;
0058 
0059     /**
0060      * Disposition
0061      *
0062      * @var string
0063      */
0064     public $disposition;
0065 
0066     /**
0067      * Filename
0068      *
0069      * @var string
0070      */
0071     public $filename;
0072 
0073     /**
0074      * Description
0075      *
0076      * @var string
0077      */
0078     public $description;
0079 
0080     /**
0081      * Character set
0082      *
0083      * @var string
0084      */
0085     public $charset;
0086 
0087     /**
0088      * Boundary
0089      *
0090      * @var string
0091      */
0092     public $boundary;
0093 
0094     /**
0095      * Location
0096      *
0097      * @var string
0098      */
0099     public $location;
0100 
0101     /**
0102      * Language
0103      *
0104      * @var string
0105      */
0106     public $language;
0107 
0108     /**
0109      * Content
0110      *
0111      * @var mixed
0112      */
0113     protected $_content;
0114 
0115     /**
0116      * @var bool
0117      */
0118     protected $_isStream = false;
0119 
0120     /**
0121      * create a new Mime Part.
0122      * The (unencoded) content of the Part as passed
0123      * as a string or stream
0124      *
0125      * @param mixed $content String or Stream containing the content
0126      */
0127     public function __construct($content)
0128     {
0129         $this->_content = $content;
0130         if (is_resource($content)) {
0131             $this->_isStream = true;
0132         }
0133     }
0134 
0135     /**
0136      * @todo setters/getters
0137      * @todo error checking for setting $type
0138      * @todo error checking for setting $encoding
0139      */
0140 
0141     /**
0142      * check if this part can be read as a stream.
0143      * if true, getEncodedStream can be called, otherwise
0144      * only getContent can be used to fetch the encoded
0145      * content of the part
0146      *
0147      * @return bool
0148      */
0149     public function isStream()
0150     {
0151         return $this->_isStream;
0152     }
0153 
0154     /**
0155      * if this was created with a stream, return a filtered stream for
0156      * reading the content. very useful for large file attachments.
0157      *
0158      * @return mixed Stream
0159      * @throws Zend_Mime_Exception if not a stream or unable to append filter
0160      */
0161     public function getEncodedStream()
0162     {
0163         if (!$this->_isStream) {
0164             // require_once 'Zend/Mime/Exception.php';
0165             throw new Zend_Mime_Exception(
0166                 'Attempt to get a stream from a string part'
0167             );
0168         }
0169 
0170         //stream_filter_remove(); // ??? is that right?
0171         switch ($this->encoding) {
0172             case Zend_Mime::ENCODING_QUOTEDPRINTABLE:
0173                 $filter = stream_filter_append(
0174                     $this->_content,
0175                     'convert.quoted-printable-encode',
0176                     STREAM_FILTER_READ,
0177                     array(
0178                         'line-length'      => 76,
0179                         'line-break-chars' => Zend_Mime::LINEEND
0180                     )
0181                 );
0182                 if (!is_resource($filter)) {
0183                     // require_once 'Zend/Mime/Exception.php';
0184                     throw new Zend_Mime_Exception(
0185                         'Failed to append quoted-printable filter'
0186                     );
0187                 }
0188                 break;
0189 
0190             case Zend_Mime::ENCODING_BASE64:
0191                 $filter = stream_filter_append(
0192                     $this->_content,
0193                     'convert.base64-encode',
0194                     STREAM_FILTER_READ,
0195                     array(
0196                         'line-length'      => 76,
0197                         'line-break-chars' => Zend_Mime::LINEEND
0198                     )
0199                 );
0200                 if (!is_resource($filter)) {
0201                     // require_once 'Zend/Mime/Exception.php';
0202                     throw new Zend_Mime_Exception(
0203                         'Failed to append base64 filter'
0204                     );
0205                 }
0206                 break;
0207 
0208             default:
0209         }
0210 
0211         return $this->_content;
0212     }
0213 
0214     /**
0215      * Get the Content of the current Mime Part in the given encoding.
0216      *
0217      * @param  string $EOL Line end; defaults to {@link Zend_Mime::LINEEND}
0218      * @throws Zend_Mime_Exception
0219      * @return string
0220      */
0221     public function getContent($EOL = Zend_Mime::LINEEND)
0222     {
0223         if ($this->_isStream) {
0224             return stream_get_contents($this->getEncodedStream());
0225         } else {
0226             return Zend_Mime::encode($this->_content, $this->encoding, $EOL);
0227         }
0228     }
0229 
0230     /**
0231      * Get the RAW unencoded content from this part
0232      *
0233      * @return string
0234      */
0235     public function getRawContent()
0236     {
0237         if ($this->_isStream) {
0238             return stream_get_contents($this->_content);
0239         } else {
0240             return $this->_content;
0241         }
0242     }
0243 
0244     /**
0245      * Create and return the array of headers for this MIME part
0246      *
0247      * @param  string $EOL Line end; defaults to {@link Zend_Mime::LINEEND}
0248      * @return array
0249      */
0250     public function getHeadersArray($EOL = Zend_Mime::LINEEND)
0251     {
0252         $headers = array();
0253 
0254         $contentType = $this->type;
0255         if ($this->charset) {
0256             $contentType .= '; charset=' . $this->charset;
0257         }
0258 
0259         if ($this->boundary) {
0260             $contentType .= ';' . $EOL
0261                             . " boundary=\"" . $this->boundary . '"';
0262         }
0263 
0264         $headers[] = array(
0265             'Content-Type',
0266             $contentType
0267         );
0268 
0269         if ($this->encoding) {
0270             $headers[] = array(
0271                 'Content-Transfer-Encoding',
0272                 $this->encoding
0273             );
0274         }
0275 
0276         if ($this->id) {
0277             $headers[] = array(
0278                 'Content-ID',
0279                 '<' . $this->id . '>'
0280             );
0281         }
0282 
0283         if ($this->disposition) {
0284             $disposition = $this->disposition;
0285             if ($this->filename) {
0286                 $disposition .= '; filename="' . $this->filename . '"';
0287             }
0288             $headers[] = array(
0289                 'Content-Disposition',
0290                 $disposition
0291             );
0292         }
0293 
0294         if ($this->description) {
0295             $headers[] = array(
0296                 'Content-Description',
0297                 $this->description
0298             );
0299         }
0300 
0301         if ($this->location) {
0302             $headers[] = array(
0303                 'Content-Location',
0304                 $this->location
0305             );
0306         }
0307 
0308         if ($this->language) {
0309             $headers[] = array(
0310                 'Content-Language',
0311                 $this->language
0312             );
0313         }
0314 
0315         return $headers;
0316     }
0317 
0318     /**
0319      * Return the headers for this part as a string
0320      *
0321      * @param  string $EOL Line end; defaults to {@link Zend_Mime::LINEEND}
0322      * @return string
0323      */
0324     public function getHeaders($EOL = Zend_Mime::LINEEND)
0325     {
0326         $res = '';
0327         foreach ($this->getHeadersArray($EOL) as $header) {
0328             $res .= $header[0] . ': ' . $header[1] . $EOL;
0329         }
0330 
0331         return $res;
0332     }
0333 }