This file is indexed.

/usr/share/php/HTTP/Request2/MultipartBody.php is in php-http-request2 2.1.1-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
<?php
/**
 * Helper class for building multipart/form-data request body
 *
 * PHP version 5
 *
 * LICENSE:
 *
 * Copyright (c) 2008-2012, Alexey Borzov <avb@php.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * The names of the authors may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category HTTP
 * @package  HTTP_Request2
 * @author   Alexey Borzov <avb@php.net>
 * @license  http://opensource.org/licenses/bsd-license.php New BSD License
 * @version  SVN: $Id: MultipartBody.php 324415 2012-03-21 10:50:50Z avb $
 * @link     http://pear.php.net/package/HTTP_Request2
 */

/**
 * Class for building multipart/form-data request body
 *
 * The class helps to reduce memory consumption by streaming large file uploads
 * from disk, it also allows monitoring of upload progress (see request #7630)
 *
 * @category HTTP
 * @package  HTTP_Request2
 * @author   Alexey Borzov <avb@php.net>
 * @license  http://opensource.org/licenses/bsd-license.php New BSD License
 * @version  Release: 2.1.1
 * @link     http://pear.php.net/package/HTTP_Request2
 * @link     http://tools.ietf.org/html/rfc1867
 */
class HTTP_Request2_MultipartBody
{
    /**
     * MIME boundary
     * @var  string
     */
    private $_boundary;

    /**
     * Form parameters added via {@link HTTP_Request2::addPostParameter()}
     * @var  array
     */
    private $_params = array();

    /**
     * File uploads added via {@link HTTP_Request2::addUpload()}
     * @var  array
     */
    private $_uploads = array();

    /**
     * Header for parts with parameters
     * @var  string
     */
    private $_headerParam = "--%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n";

    /**
     * Header for parts with uploads
     * @var  string
     */
    private $_headerUpload = "--%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\nContent-Type: %s\r\n\r\n";

    /**
     * Current position in parameter and upload arrays
     *
     * First number is index of "current" part, second number is position within
     * "current" part
     *
     * @var  array
     */
    private $_pos = array(0, 0);


    /**
     * Constructor. Sets the arrays with POST data.
     *
     * @param array $params      values of form fields set via
     *                           {@link HTTP_Request2::addPostParameter()}
     * @param array $uploads     file uploads set via
     *                           {@link HTTP_Request2::addUpload()}
     * @param bool  $useBrackets whether to append brackets to array variable names
     */
    public function __construct(array $params, array $uploads, $useBrackets = true)
    {
        $this->_params = self::_flattenArray('', $params, $useBrackets);
        foreach ($uploads as $fieldName => $f) {
            if (!is_array($f['fp'])) {
                $this->_uploads[] = $f + array('name' => $fieldName);
            } else {
                for ($i = 0; $i < count($f['fp']); $i++) {
                    $upload = array(
                        'name' => ($useBrackets? $fieldName . '[' . $i . ']': $fieldName)
                    );
                    foreach (array('fp', 'filename', 'size', 'type') as $key) {
                        $upload[$key] = $f[$key][$i];
                    }
                    $this->_uploads[] = $upload;
                }
            }
        }
    }

    /**
     * Returns the length of the body to use in Content-Length header
     *
     * @return   integer
     */
    public function getLength()
    {
        $boundaryLength     = strlen($this->getBoundary());
        $headerParamLength  = strlen($this->_headerParam) - 4 + $boundaryLength;
        $headerUploadLength = strlen($this->_headerUpload) - 8 + $boundaryLength;
        $length             = $boundaryLength + 6;
        foreach ($this->_params as $p) {
            $length += $headerParamLength + strlen($p[0]) + strlen($p[1]) + 2;
        }
        foreach ($this->_uploads as $u) {
            $length += $headerUploadLength + strlen($u['name']) + strlen($u['type']) +
                       strlen($u['filename']) + $u['size'] + 2;
        }
        return $length;
    }

    /**
     * Returns the boundary to use in Content-Type header
     *
     * @return   string
     */
    public function getBoundary()
    {
        if (empty($this->_boundary)) {
            $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
        }
        return $this->_boundary;
    }

    /**
     * Returns next chunk of request body
     *
     * @param integer $length Number of bytes to read
     *
     * @return   string  Up to $length bytes of data, empty string if at end
     */
    public function read($length)
    {
        $ret         = '';
        $boundary    = $this->getBoundary();
        $paramCount  = count($this->_params);
        $uploadCount = count($this->_uploads);
        while ($length > 0 && $this->_pos[0] <= $paramCount + $uploadCount) {
            $oldLength = $length;
            if ($this->_pos[0] < $paramCount) {
                $param = sprintf(
                    $this->_headerParam, $boundary, $this->_params[$this->_pos[0]][0]
                ) . $this->_params[$this->_pos[0]][1] . "\r\n";
                $ret    .= substr($param, $this->_pos[1], $length);
                $length -= min(strlen($param) - $this->_pos[1], $length);

            } elseif ($this->_pos[0] < $paramCount + $uploadCount) {
                $pos    = $this->_pos[0] - $paramCount;
                $header = sprintf(
                    $this->_headerUpload, $boundary, $this->_uploads[$pos]['name'],
                    $this->_uploads[$pos]['filename'], $this->_uploads[$pos]['type']
                );
                if ($this->_pos[1] < strlen($header)) {
                    $ret    .= substr($header, $this->_pos[1], $length);
                    $length -= min(strlen($header) - $this->_pos[1], $length);
                }
                $filePos  = max(0, $this->_pos[1] - strlen($header));
                if ($length > 0 && $filePos < $this->_uploads[$pos]['size']) {
                    $ret     .= fread($this->_uploads[$pos]['fp'], $length);
                    $length  -= min($length, $this->_uploads[$pos]['size'] - $filePos);
                }
                if ($length > 0) {
                    $start   = $this->_pos[1] + ($oldLength - $length) -
                               strlen($header) - $this->_uploads[$pos]['size'];
                    $ret    .= substr("\r\n", $start, $length);
                    $length -= min(2 - $start, $length);
                }

            } else {
                $closing  = '--' . $boundary . "--\r\n";
                $ret     .= substr($closing, $this->_pos[1], $length);
                $length  -= min(strlen($closing) - $this->_pos[1], $length);
            }
            if ($length > 0) {
                $this->_pos     = array($this->_pos[0] + 1, 0);
            } else {
                $this->_pos[1] += $oldLength;
            }
        }
        return $ret;
    }

    /**
     * Sets the current position to the start of the body
     *
     * This allows reusing the same body in another request
     */
    public function rewind()
    {
        $this->_pos = array(0, 0);
        foreach ($this->_uploads as $u) {
            rewind($u['fp']);
        }
    }

    /**
     * Returns the body as string
     *
     * Note that it reads all file uploads into memory so it is a good idea not
     * to use this method with large file uploads and rely on read() instead.
     *
     * @return   string
     */
    public function __toString()
    {
        $this->rewind();
        return $this->read($this->getLength());
    }


    /**
     * Helper function to change the (probably multidimensional) associative array
     * into the simple one.
     *
     * @param string $name        name for item
     * @param mixed  $values      item's values
     * @param bool   $useBrackets whether to append [] to array variables' names
     *
     * @return   array   array with the following items: array('item name', 'item value');
     */
    private static function _flattenArray($name, $values, $useBrackets)
    {
        if (!is_array($values)) {
            return array(array($name, $values));
        } else {
            $ret = array();
            foreach ($values as $k => $v) {
                if (empty($name)) {
                    $newName = $k;
                } elseif ($useBrackets) {
                    $newName = $name . '[' . $k . ']';
                } else {
                    $newName = $name;
                }
                $ret = array_merge($ret, self::_flattenArray($newName, $v, $useBrackets));
            }
            return $ret;
        }
    }
}
?>