summaryrefslogtreecommitdiff
path: root/vendor/swiftmailer/classes/Swift/Mime/MimePart.php
blob: f67a864bd152581629db31b2e721d85b006aab0f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
<?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 part, in a multipart message.
 *
 * @author     Chris Corbyn
 */
class Swift_Mime_MimePart extends Swift_Mime_SimpleMimeEntity
{
    /** The format parameter last specified by the user */
    protected $_userFormat;

    /** The charset last specified by the user */
    protected $_userCharset;

    /** The delsp parameter last specified by the user */
    protected $_userDelSp;

    /** The nesting level of this MimePart */
    private $_nestingLevel = self::LEVEL_ALTERNATIVE;

    /**
     * Create a new MimePart with $headers, $encoder and $cache.
     *
     * @param Swift_Mime_HeaderSet      $headers
     * @param Swift_Mime_ContentEncoder $encoder
     * @param Swift_KeyCache            $cache
     * @param Swift_Mime_Grammar        $grammar
     * @param string                    $charset
     */
    public function __construct(Swift_Mime_HeaderSet $headers, Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, Swift_Mime_Grammar $grammar, $charset = null)
    {
        parent::__construct($headers, $encoder, $cache, $grammar);
        $this->setContentType('text/plain');
        if (!is_null($charset)) {
            $this->setCharset($charset);
        }
    }

    /**
     * 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
     * @param string $charset     optional
     *
     * @return Swift_Mime_MimePart
     */
    public function setBody($body, $contentType = null, $charset = null)
    {
        if (isset($charset)) {
            $this->setCharset($charset);
        }
        $body = $this->_convertString($body);

        parent::setBody($body, $contentType);

        return $this;
    }

    /**
     * Get the character set of this entity.
     *
     * @return string
     */
    public function getCharset()
    {
        return $this->_getHeaderParameter('Content-Type', 'charset');
    }

    /**
     * Set the character set of this entity.
     *
     * @param string $charset
     *
     * @return Swift_Mime_MimePart
     */
    public function setCharset($charset)
    {
        $this->_setHeaderParameter('Content-Type', 'charset', $charset);
        if ($charset !== $this->_userCharset) {
            $this->_clearCache();
        }
        $this->_userCharset = $charset;
        parent::charsetChanged($charset);

        return $this;
    }

    /**
     * Get the format of this entity (i.e. flowed or fixed).
     *
     * @return string
     */
    public function getFormat()
    {
        return $this->_getHeaderParameter('Content-Type', 'format');
    }

    /**
     * Set the format of this entity (flowed or fixed).
     *
     * @param string $format
     *
     * @return Swift_Mime_MimePart
     */
    public function setFormat($format)
    {
        $this->_setHeaderParameter('Content-Type', 'format', $format);
        $this->_userFormat = $format;

        return $this;
    }

    /**
     * Test if delsp is being used for this entity.
     *
     * @return bool
     */
    public function getDelSp()
    {
        return ($this->_getHeaderParameter('Content-Type', 'delsp') == 'yes')
            ? true
            : false;
    }

    /**
     * Turn delsp on or off for this entity.
     *
     * @param bool    $delsp
     *
     * @return Swift_Mime_MimePart
     */
    public function setDelSp($delsp = true)
    {
        $this->_setHeaderParameter('Content-Type', 'delsp', $delsp ? 'yes' : null);
        $this->_userDelSp = $delsp;

        return $this;
    }

    /**
     * Get the nesting level of this entity.
     *
     * @see LEVEL_TOP, LEVEL_ALTERNATIVE, LEVEL_MIXED, LEVEL_RELATED
     *
     * @return int
     */
    public function getNestingLevel()
    {
        return $this->_nestingLevel;
    }

    /**
     * Receive notification that the charset has changed on this document, or a
     * parent document.
     *
     * @param string $charset
     */
    public function charsetChanged($charset)
    {
        $this->setCharset($charset);
    }

    /** Fix the content-type and encoding of this entity */
    protected function _fixHeaders()
    {
        parent::_fixHeaders();
        if (count($this->getChildren())) {
            $this->_setHeaderParameter('Content-Type', 'charset', null);
            $this->_setHeaderParameter('Content-Type', 'format', null);
            $this->_setHeaderParameter('Content-Type', 'delsp', null);
        } else {
            $this->setCharset($this->_userCharset);
            $this->setFormat($this->_userFormat);
            $this->setDelSp($this->_userDelSp);
        }
    }

    /** Set the nesting level of this entity */
    protected function _setNestingLevel($level)
    {
        $this->_nestingLevel = $level;
    }

    /** Encode charset when charset is not utf-8 */
    protected function _convertString($string)
    {
        $charset = strtolower($this->getCharset());
        if (!in_array($charset, array('utf-8', 'iso-8859-1', ''))) {
            // mb_convert_encoding must be the first one to check, since iconv cannot convert some words.
            if (function_exists('mb_convert_encoding')) {
                $string = mb_convert_encoding($string, 'utf-8', $charset);
            } elseif (function_exists('iconv')) {
                $string = iconv($charset, 'utf-8//TRANSLIT//IGNORE', $string);
            } else {
                throw new Swift_SwiftException('No suitable convert encoding function (use UTF-8 as your charset or install the mbstring or iconv extension).');
            }

            return $string;
        }

        return $string;
    }
}