This file is indexed.

/usr/share/php/Horde/Mime/Headers/Deprecated.php is in php-horde-mime 2.10.2-1.

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
<?php
/**
 * Copyright 2014-2016 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (LGPL). If you
 * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 *
 * @category  Horde
 * @copyright 2014-2016 Horde LLC
 * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package   Mime
 */

/**
 * Deprecated Horde_Mime_Headers methods.
 *
 * @author     Michael Slusarz <slusarz@horde.org>
 * @deprecated
 * @category   Horde
 * @copyright  2014-2016 Horde LLC
 * @internal
 * @license    http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package    Mime
 * @since      2.5.0
 */
class Horde_Mime_Headers_Deprecated
{
    /**
     * Base headers object.
     *
     * @var Horde_Mime_Headers
     */
    private $_headers;

    /**
     */
    public function __construct(Horde_Mime_Headers $headers)
    {
        $this->_headers = $headers;
    }

    /**
     */
    public function addMessageIdHeader()
    {
        $this->_headers->addHeaderOb(Horde_Mime_Headers_MessageId::create());
    }

    /**
     */
    public function addUserAgentHeader()
    {
        $this->_headers->addHeaderOb(Horde_Mime_Headers_UserAgent::create());
    }

    /**
     */
    public function getUserAgent()
    {
        return strval(Horde_Mime_Headers_UserAgent::create());
    }

    /**
     */
    public function setUserAgent($agent)
    {
        $this->_headers->addHeaderOb(
            new Horde_Mime_Headers_UserAgent(null, $agent)
        );
    }

    /**
     */
    public function addReceivedHeader(array $opts = array())
    {
        $old_error = error_reporting(0);
        if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            /* This indicates the user is connecting through a proxy. */
            $remote_path = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
            $remote_addr = $remote_path[0];
            if (!empty($opts['dns'])) {
                $remote = $remote_addr;
                try {
                    if ($response = $opts['dns']->query($remote_addr, 'PTR')) {
                        foreach ($response->answer as $val) {
                            if (isset($val->ptrdname)) {
                                $remote = $val->ptrdname;
                                break;
                            }
                        }
                    }
                } catch (Net_DNS2_Exception $e) {}
            } else {
                $remote = gethostbyaddr($remote_addr);
            }
        } else {
            $remote_addr = $_SERVER['REMOTE_ADDR'];
            if (empty($_SERVER['REMOTE_HOST'])) {
                if (!empty($opts['dns'])) {
                    $remote = $remote_addr;
                    try {
                        if ($response = $opts['dns']->query($remote_addr, 'PTR')) {
                            foreach ($response->answer as $val) {
                                if (isset($val->ptrdname)) {
                                    $remote = $val->ptrdname;
                                    break;
                                }
                            }
                        }
                    } catch (Net_DNS2_Exception $e) {}
                } else {
                    $remote = gethostbyaddr($remote_addr);
                }
            } else {
                $remote = $_SERVER['REMOTE_HOST'];
            }
        }
        error_reporting($old_error);

        if (!empty($_SERVER['REMOTE_IDENT'])) {
            $remote_ident = $_SERVER['REMOTE_IDENT'] . '@' . $remote . ' ';
        } elseif ($remote != $_SERVER['REMOTE_ADDR']) {
            $remote_ident = $remote . ' ';
        } else {
            $remote_ident = '';
        }

        if (!empty($opts['server'])) {
            $server_name = $opts['server'];
        } elseif (!empty($_SERVER['SERVER_NAME'])) {
            $server_name = $_SERVER['SERVER_NAME'];
        } elseif (!empty($_SERVER['HTTP_HOST'])) {
            $server_name = $_SERVER['HTTP_HOST'];
        } else {
            $server_name = 'unknown';
        }

        $is_ssl = isset($_SERVER['HTTPS']) &&
                 $_SERVER['HTTPS'] != 'off';

        $this->_headers->addHeaderOb(new Horde_Mime_Headers_Element_Multiple(
            'Received',
            'from ' . $remote . ' (' . $remote_ident .
            '[' . $remote_addr . ']) ' .
            'by ' . $server_name . ' (Horde Framework) with HTTP' .
            ($is_ssl ? 'S' : '') . '; ' . date('r')
        ));
    }

    /**
     */
    public function getOb($field)
    {
        return ($h = $this->_headers[$field])
            ? $h->getAddressList(true)
            : null;
    }

    /**
     */
    public function getValue($header, $type = Horde_Mime_Headers::VALUE_STRING)
    {
        if (!($ob = $this->_headers[$header])) {
            return null;
        }

        switch ($type) {
        case Horde_Mime_Headers::VALUE_BASE:
            $tmp = $ob->value;
            break;

        case Horde_Mime_Headers::VALUE_PARAMS:
            return array_change_key_case($ob->params, CASE_LOWER);

        case Horde_Mime_Headers::VALUE_STRING:
            $tmp = $ob->full_value;
            break;
        }

        return (is_array($tmp) && (count($tmp) === 1))
            ? reset($tmp)
            : $tmp;
    }

    /**
     */
    public function listHeaders()
    {
        $lhdrs = new Horde_ListHeaders();
        return $lhdrs->headers();
    }

    /**
     */
    public function listHeadersExist()
    {
        $lhdrs = new Horde_ListHeaders();
        return $lhdrs->listHeadersExist($this->_headers);
    }

    /**
     */
    public function replaceHeader($header, $value, array $opts = array())
    {
        $this->_headers->removeHeader($header);
        $this->_headers->addHeader($header, $value, $opts);
    }

    /**
     */
    public function getString($header)
    {
        return (($hdr = $this->_headers[$header]) === null)
            ? null
            : $this->_headers[$header]->name;
    }

    /**
     */
    public function addressFields()
    {
        return array(
            'from', 'to', 'cc', 'bcc', 'reply-to', 'resent-to', 'resent-cc',
            'resent-bcc', 'resent-from', 'sender'
        );
    }

    /**
     */
    public function singleFields($list = true)
    {
        $fields = array(
            'to', 'from', 'cc', 'bcc', 'date', 'sender', 'reply-to',
            'message-id', 'in-reply-to', 'references', 'subject',
            'content-md5', 'mime-version', 'content-type',
            'content-transfer-encoding', 'content-id', 'content-description',
            'content-base', 'content-disposition', 'content-duration',
            'content-location', 'content-features', 'content-language',
            'content-alternative', 'importance', 'x-priority'
        );

        $list_fields = array(
            'list-help', 'list-unsubscribe', 'list-subscribe', 'list-owner',
            'list-post', 'list-archive', 'list-id'
        );

        return $list
            ? array_merge($fields, $list_fields)
            : $fields;
    }

    /**
     */
    public function mimeParamFields()
    {
        return array('content-type', 'content-disposition');
    }

}