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1<?php
2/**
3 * Backend for regular file upload.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 * @ingroup Upload
22 */
23
24use MediaWiki\Request\WebRequest;
25use MediaWiki\Request\WebRequestUpload;
26
27/**
28 * Implements regular file uploads
29 *
30 * @ingroup Upload
31 * @author Bryan Tong Minh
32 */
33class UploadFromFile extends UploadBase {
34    /**
35     * @var WebRequestUpload
36     */
37    protected $mUpload = null;
38
39    /**
40     * @param WebRequest &$request
41     */
42    public function initializeFromRequest( &$request ) {
43        $upload = $request->getUpload( 'wpUploadFile' );
44        $desiredDestName = $request->getText( 'wpDestFile' );
45        if ( !$desiredDestName ) {
46            $desiredDestName = $upload->getName();
47        }
48
49        // @phan-suppress-next-line PhanTypeMismatchArgumentNullable getName only null on failure
50        $this->initialize( $desiredDestName, $upload );
51    }
52
53    /**
54     * Initialize from a filename and a MediaWiki\Request\WebRequestUpload
55     * @param string $name
56     * @param WebRequestUpload $webRequestUpload
57     */
58    public function initialize( $name, $webRequestUpload ) {
59        $this->mUpload = $webRequestUpload;
60        $this->initializePathInfo( $name,
61            $this->mUpload->getTempName(), $this->mUpload->getSize() );
62    }
63
64    /**
65     * @param WebRequest $request
66     * @return bool
67     */
68    public static function isValidRequest( $request ) {
69        # Allow all requests, even if no file is present, so that an error
70        # because a post_max_size or upload_max_filesize overflow
71        return true;
72    }
73
74    /**
75     * @return string
76     */
77    public function getSourceType() {
78        return 'file';
79    }
80
81    /**
82     * @return array
83     */
84    public function verifyUpload() {
85        # Check for a post_max_size or upload_max_size overflow, so that a
86        # proper error can be shown to the user
87        if ( $this->mTempPath === null || $this->isEmptyFile() ) {
88            if ( $this->mUpload->isIniSizeOverflow() ) {
89                return [
90                    'status' => UploadBase::FILE_TOO_LARGE,
91                    'max' => min(
92                        self::getMaxUploadSize( $this->getSourceType() ),
93                        self::getMaxPhpUploadSize()
94                    ),
95                ];
96            }
97        }
98
99        return parent::verifyUpload();
100    }
101}