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1 | <?php declare(strict_types=1); |
2 | /* |
3 | * This file is part of Aplus Framework Validation Library. |
4 | * |
5 | * (c) Natan Felles <natanfelles@gmail.com> |
6 | * |
7 | * For the full copyright and license information, please view the LICENSE |
8 | * file that was distributed with this source code. |
9 | */ |
10 | namespace Framework\Validation; |
11 | |
12 | use Framework\Helpers\ArraySimple; |
13 | |
14 | /** |
15 | * Class FilesValidator. |
16 | * |
17 | * @package validation |
18 | */ |
19 | class FilesValidator |
20 | { |
21 | /** |
22 | * @var array<string,mixed> |
23 | */ |
24 | protected static array $files; |
25 | |
26 | /** |
27 | * Get $_FILES in a re-organized way. |
28 | * |
29 | * @return array<string,mixed> |
30 | */ |
31 | protected static function getOrganizedFiles() : array |
32 | { |
33 | return static::$files ?? (static::$files = ArraySimple::files()); |
34 | } |
35 | |
36 | /** |
37 | * @param string $field |
38 | * |
39 | * @return array<string,mixed>|null |
40 | */ |
41 | protected static function getFile(string $field) : array | null |
42 | { |
43 | $files = static::getOrganizedFiles(); |
44 | return ArraySimple::value($field, $files); |
45 | } |
46 | |
47 | /** |
48 | * Validates file is uploaded. |
49 | * |
50 | * @param string $field |
51 | * @param array<string,mixed> $data |
52 | * |
53 | * @return bool |
54 | */ |
55 | public static function uploaded(string $field, array $data = []) : bool |
56 | { |
57 | $file = static::getFile($field); |
58 | if ($file === null) { |
59 | return false; |
60 | } |
61 | return $file['error'] === \UPLOAD_ERR_OK && \is_uploaded_file($file['tmp_name']); |
62 | } |
63 | |
64 | /** |
65 | * Validates file size. |
66 | * |
67 | * @param string $field |
68 | * @param array<string,mixed> $data |
69 | * @param int $kilobytes |
70 | * |
71 | * @return bool |
72 | */ |
73 | public static function maxSize(string $field, array $data, int $kilobytes) : bool |
74 | { |
75 | $uploaded = static::uploaded($field); |
76 | if ( ! $uploaded) { |
77 | return false; |
78 | } |
79 | $file = static::getFile($field); |
80 | return $file['size'] <= ($kilobytes * 1024); |
81 | } |
82 | |
83 | /** |
84 | * Validates file accepted MIME types. |
85 | * |
86 | * @param string $field |
87 | * @param array<string,mixed> $data |
88 | * @param string ...$allowedTypes |
89 | * |
90 | * @return bool |
91 | */ |
92 | public static function mimes(string $field, array $data, string ...$allowedTypes) : bool |
93 | { |
94 | $uploaded = static::uploaded($field); |
95 | if ( ! $uploaded) { |
96 | return false; |
97 | } |
98 | $file = static::getFile($field); |
99 | $mimeType = \mime_content_type($file['tmp_name']); |
100 | return \in_array($mimeType, $allowedTypes, true); |
101 | } |
102 | |
103 | /** |
104 | * Validates file accepted extensions. |
105 | * |
106 | * NOTE: For greater security use the {@see FilesValidator::mimes()} method |
107 | * to filter the file type. |
108 | * |
109 | * @param string $field |
110 | * @param array<string,mixed> $data |
111 | * @param string ...$allowedExtensions |
112 | * |
113 | * @return bool |
114 | */ |
115 | public static function ext(string $field, array $data, string ...$allowedExtensions) : bool |
116 | { |
117 | $uploaded = static::uploaded($field); |
118 | if ( ! $uploaded) { |
119 | return false; |
120 | } |
121 | $file = static::getFile($field); |
122 | foreach ($allowedExtensions as $extension) { |
123 | if (\str_ends_with($file['name'], '.' . $extension)) { |
124 | return true; |
125 | } |
126 | } |
127 | return false; |
128 | } |
129 | |
130 | /** |
131 | * Validates file is an image. |
132 | * |
133 | * @param string $field |
134 | * @param array<string,mixed> $data |
135 | * |
136 | * @return bool |
137 | */ |
138 | public static function image(string $field, array $data = []) : bool |
139 | { |
140 | $uploaded = static::uploaded($field); |
141 | if ( ! $uploaded) { |
142 | return false; |
143 | } |
144 | $file = static::getFile($field); |
145 | $mime = \mime_content_type($file['tmp_name']) ?: 'application/octet-stream'; |
146 | return \str_starts_with($mime, 'image/'); |
147 | } |
148 | |
149 | /** |
150 | * Validates image max dimensions. |
151 | * |
152 | * @param string $field |
153 | * @param array<string,mixed> $data |
154 | * @param int $width |
155 | * @param int $height |
156 | * |
157 | * @return bool |
158 | */ |
159 | public static function maxDim(string $field, array $data, int $width, int $height) : bool |
160 | { |
161 | $isImage = static::image($field); |
162 | if ( ! $isImage) { |
163 | return false; |
164 | } |
165 | $file = static::getFile($field); |
166 | $sizes = \getimagesize($file['tmp_name']); |
167 | return ! ($sizes === false || $sizes[0] > $width || $sizes[1] > $height); |
168 | } |
169 | |
170 | /** |
171 | * Validates image min dimensions. |
172 | * |
173 | * @param string $field |
174 | * @param array<string,mixed> $data |
175 | * @param int $width |
176 | * @param int $height |
177 | * |
178 | * @return bool |
179 | */ |
180 | public static function minDim(string $field, array $data, int $width, int $height) : bool |
181 | { |
182 | $isImage = static::image($field); |
183 | if ( ! $isImage) { |
184 | return false; |
185 | } |
186 | $file = static::getFile($field); |
187 | $sizes = \getimagesize($file['tmp_name']); |
188 | return ! ($sizes === false || $sizes[0] < $width || $sizes[1] < $height); |
189 | } |
190 | |
191 | /** |
192 | * Validates image dimensions. |
193 | * |
194 | * @param string $field |
195 | * @param array<string,mixed> $data |
196 | * @param int $width |
197 | * @param int $height |
198 | * |
199 | * @return bool |
200 | */ |
201 | public static function dim(string $field, array $data, int $width, int $height) : bool |
202 | { |
203 | $isImage = static::image($field); |
204 | if ( ! $isImage) { |
205 | return false; |
206 | } |
207 | $file = static::getFile($field); |
208 | $sizes = \getimagesize($file['tmp_name']); |
209 | return ! ($sizes === false || $sizes[0] !== $width || $sizes[1] !== $height); |
210 | } |
211 | } |