forked from Arcavias/arcavias-demo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
MediaMimeStream.php
190 lines (167 loc) · 5.54 KB
/
MediaMimeStream.php
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
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Gdata
* @subpackage Gdata
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: MediaMimeStream.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* @see Zend_Gdata_MimeFile
*/
require_once 'Zend/Gdata/MimeFile.php';
/**
* @see Zend_Gdata_MimeBodyString
*/
require_once 'Zend/Gdata/MimeBodyString.php';
/**
* A streaming Media MIME class that allows for buffered read operations.
*
* @category Zend
* @package Zend_Gdata
* @subpackage Gdata
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Gdata_MediaMimeStream
{
/**
* A valid MIME boundary.
*
* @var string
*/
protected $_boundaryString = null;
/**
* A handle to the file that is part of the message.
*
* @var resource
*/
protected $_fileHandle = null;
/**
* The current part being read from.
* @var integer
*/
protected $_currentPart = 0;
/**
* The size of the MIME message.
* @var integer
*/
protected $_totalSize = 0;
/**
* An array of all the parts to be sent. Array members are either a
* MimeFile or a MimeBodyString object.
* @var array
*/
protected $_parts = null;
/**
* Create a new MimeMediaStream object.
*
* @param string $xmlString The string corresponding to the XML section
* of the message, typically an atom entry or feed.
* @param string $filePath The path to the file that constitutes the binary
* part of the message.
* @param string $fileContentType The valid internet media type of the file.
* @throws Zend_Gdata_App_IOException If the file cannot be read or does
* not exist. Also if mbstring.func_overload has been set > 1.
*/
public function __construct($xmlString = null, $filePath = null,
$fileContentType = null)
{
if (!file_exists($filePath) || !is_readable($filePath)) {
require_once 'Zend/Gdata/App/IOException.php';
throw new Zend_Gdata_App_IOException('File to be uploaded at ' .
$filePath . ' does not exist or is not readable.');
}
$this->_fileHandle = fopen($filePath, 'rb', TRUE);
$this->_boundaryString = '=_' . md5(microtime(1) . rand(1,20));
$entry = $this->wrapEntry($xmlString, $fileContentType);
$closingBoundary = new Zend_Gdata_MimeBodyString("\r\n--{$this->_boundaryString}--\r\n");
$file = new Zend_Gdata_MimeFile($this->_fileHandle);
$this->_parts = array($entry, $file, $closingBoundary);
$fileSize = filesize($filePath);
$this->_totalSize = $entry->getSize() $fileSize
$closingBoundary->getSize();
}
/**
* Sandwiches the entry body into a MIME message
*
* @return void
*/
private function wrapEntry($entry, $fileMimeType)
{
$wrappedEntry = "--{$this->_boundaryString}\r\n";
$wrappedEntry .= "Content-Type: application/atom xml\r\n\r\n";
$wrappedEntry .= $entry;
$wrappedEntry .= "\r\n--{$this->_boundaryString}\r\n";
$wrappedEntry .= "Content-Type: $fileMimeType\r\n\r\n";
return new Zend_Gdata_MimeBodyString($wrappedEntry);
}
/**
* Read a specific chunk of the the MIME multipart message.
*
* @param integer $bufferSize The size of the chunk that is to be read,
* must be lower than MAX_BUFFER_SIZE.
* @return string A corresponding piece of the message. This could be
* binary or regular text.
*/
public function read($bytesRequested)
{
if($this->_currentPart >= count($this->_parts)) {
return FALSE;
}
$activePart = $this->_parts[$this->_currentPart];
$buffer = $activePart->read($bytesRequested);
while(strlen($buffer) < $bytesRequested) {
$this->_currentPart = 1;
$nextBuffer = $this->read($bytesRequested - strlen($buffer));
if($nextBuffer === FALSE) {
break;
}
$buffer .= $nextBuffer;
}
return $buffer;
}
/**
* Return the total size of the mime message.
*
* @return integer Total size of the message to be sent.
*/
public function getTotalSize()
{
return $this->_totalSize;
}
/**
* Close the internal file that we are streaming to the socket.
*
* @return void
*/
public function closeFileHandle()
{
if ($this->_fileHandle !== null) {
fclose($this->_fileHandle);
}
}
/**
* Return a Content-type header that includes the current boundary string.
*
* @return string A valid HTTP Content-Type header.
*/
public function getContentType()
{
return 'multipart/related;boundary="' .
$this->_boundaryString . '"' . "\r\n";
}
}