Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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FileBag.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation;
013
014 use Symfony\Component\HttpFoundation\File\UploadedFile;
015
016 /**
017 * FileBag is a container for uploaded files.
018 *
019 * @author Fabien Potencier <fabien@symfony.com>
020 * @author Bulat Shakirzyanov <mallluhuct@gmail.com>
021 */
022 class FileBag extends ParameterBag
023 {
024 private static $fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
025
026 /**
027 * Constructor.
028 *
029 * @param array $parameters An array of HTTP files
030 */
031 public function __construct(array $parameters = array())
032 {
033 $this->replace($parameters);
034 }
035
036 /**
037 * {@inheritdoc}
038 */
039 public function replace(array $files = array())
040 {
041 $this->parameters = array();
042 $this->add($files);
043 }
044
045 /**
046 * {@inheritdoc}
047 */
048 public function set($key, $value)
049 {
050 if (!is_array($value) && !$value instanceof UploadedFile) {
051 throw new \InvalidArgumentException('An uploaded file must be an array or an instance of UploadedFile.');
052 }
053
054 parent::set($key, $this->convertFileInformation($value));
055 }
056
057 /**
058 * {@inheritdoc}
059 */
060 public function add(array $files = array())
061 {
062 foreach ($files as $key => $file) {
063 $this->set($key, $file);
064 }
065 }
066
067 /**
068 * Converts uploaded files to UploadedFile instances.
069 *
070 * @param array|UploadedFile $file A (multi-dimensional) array of uploaded file information
071 *
072 * @return array A (multi-dimensional) array of UploadedFile instances
073 */
074 protected function convertFileInformation($file)
075 {
076 if ($file instanceof UploadedFile) {
077 return $file;
078 }
079
080 $file = $this->fixPhpFilesArray($file);
081 if (is_array($file)) {
082 $keys = array_keys($file);
083 sort($keys);
084
085 if ($keys == self::$fileKeys) {
086 if (UPLOAD_ERR_NO_FILE == $file['error']) {
087 $file = null;
088 } else {
089 $file = new UploadedFile($file['tmp_name'], $file['name'], $file['type'], $file['size'], $file['error']);
090 }
091 } else {
092 $file = array_map(array($this, 'convertFileInformation'), $file);
093 }
094 }
095
096 return $file;
097 }
098
099 /**
100 * Fixes a malformed PHP $_FILES array.
101 *
102 * PHP has a bug that the format of the $_FILES array differs, depending on
103 * whether the uploaded file fields had normal field names or array-like
104 * field names ("normal" vs. "parent[child]").
105 *
106 * This method fixes the array to look like the "normal" $_FILES array.
107 *
108 * It's safe to pass an already converted array, in which case this method
109 * just returns the original array unmodified.
110 *
111 * @param array $data
112 *
113 * @return array
114 */
115 protected function fixPhpFilesArray($data)
116 {
117 if (!is_array($data)) {
118 return $data;
119 }
120
121 $keys = array_keys($data);
122 sort($keys);
123
124 if (self::$fileKeys != $keys || !isset($data['name']) || !is_array($data['name'])) {
125 return $data;
126 }
127
128 $files = $data;
129 foreach (self::$fileKeys as $k) {
130 unset($files[$k]);
131 }
132
133 foreach ($data['name'] as $key => $name) {
134 $files[$key] = $this->fixPhpFilesArray(array(
135 'error' => $data['error'][$key],
136 'name' => $name,
137 'type' => $data['type'][$key],
138 'tmp_name' => $data['tmp_name'][$key],
139 'size' => $data['size'][$key],
140 ));
141 }
142
143 return $files;
144 }
145 }
146