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044a28cd | 1 | <?php |
82202428 | 2 | |
044a28cd GJ |
3 | /* |
4 | * Uguu | |
5 | * | |
5156099c | 6 | * @copyright Copyright (c) 2022 Go Johansson (nokonoko) <neku@pomf.se> |
044a28cd GJ |
7 | * |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
82202428 | 22 | |
044a28cd GJ |
23 | namespace Core { |
24 | ||
82202428 GJ |
25 | require_once 'Upload.class.php'; |
26 | ||
4c21cfa0 | 27 | use Exception; |
044a28cd GJ |
28 | use PDO; |
29 | use Upload as Upload; | |
30 | ||
31 | class Settings | |
32 | { | |
33 | ||
34 | public static mixed $DB; | |
35 | ||
36 | public static string $DB_MODE; | |
37 | public static string $DB_PATH; | |
38 | public static string $DB_USER; | |
39 | public static string $DB_PASS; | |
40 | ||
41 | public static bool $LOG_IP; | |
42 | public static bool $ANTI_DUPE; | |
43 | public static bool $BLACKLIST_DB; | |
44 | public static bool $FILTER_MODE; | |
45 | ||
46 | public static string $FILES_ROOT; | |
47 | public static int $FILES_RETRIES; | |
48 | ||
49 | public static bool $SSL; | |
50 | public static string $URL; | |
51 | ||
52 | public static int $NAME_LENGTH; | |
53 | public static string $ID_CHARSET; | |
044a28cd GJ |
54 | public static array $BLOCKED_EXTENSIONS; |
55 | public static array $BLOCKED_MIME; | |
56 | ||
57 | ||
4c21cfa0 GJ |
58 | /** |
59 | * @throws Exception | |
60 | */ | |
82202428 GJ |
61 | public static function loadConfig() |
62 | { | |
edfde395 | 63 | if (!file_exists('/var/www/uguu/dist.json')) { |
4c21cfa0 | 64 | throw new Exception('Cant read settings file.', 500); |
82202428 GJ |
65 | } |
66 | try { | |
67 | $settings_array = json_decode( | |
edfde395 | 68 | file_get_contents('/var/www/uguu/dist.json'), |
82202428 GJ |
69 | true |
70 | ); | |
71 | self::$DB_MODE = $settings_array['DB_MODE']; | |
72 | self::$DB_PATH = $settings_array['DB_PATH']; | |
73 | self::$DB_USER = $settings_array['DB_USER']; | |
74 | self::$DB_PASS = $settings_array['DB_PASS']; | |
75 | self::$LOG_IP = $settings_array['LOG_IP']; | |
76 | self::$ANTI_DUPE = $settings_array['ANTI_DUPE']; | |
77 | self::$BLACKLIST_DB = $settings_array['BLACKLIST_DB']; | |
78 | self::$FILTER_MODE = $settings_array['FILTER_MODE']; | |
79 | self::$FILES_ROOT = $settings_array['FILES_ROOT']; | |
80 | self::$FILES_RETRIES = $settings_array['FILES_RETRIES']; | |
81 | self::$SSL = $settings_array['SSL']; | |
82 | self::$URL = $settings_array['URL']; | |
83 | self::$NAME_LENGTH = $settings_array['NAME_LENGTH']; | |
84 | self::$ID_CHARSET = $settings_array['ID_CHARSET']; | |
85 | self::$BLOCKED_EXTENSIONS = $settings_array['BLOCKED_EXTENSIONS']; | |
86 | self::$BLOCKED_MIME = $settings_array['BLOCKED_MIME']; | |
4c21cfa0 GJ |
87 | } catch (Exception) { |
88 | throw new Exception('Cant populate settings.', 500); | |
82202428 GJ |
89 | } |
90 | (new Database())->assemblePDO(); | |
044a28cd GJ |
91 | } |
92 | } | |
93 | ||
94 | class cuteGrills | |
95 | { | |
96 | public static array $GRILLS; | |
97 | ||
044a28cd GJ |
98 | public static function showGrills() |
99 | { | |
82202428 | 100 | self::loadGrills(); |
044a28cd | 101 | if (!headers_sent()) { |
82202428 GJ |
102 | header( |
103 | 'Location: /img/grills/' . | |
104 | self::$GRILLS[array_rand(self::$GRILLS)], | |
105 | true, | |
106 | 303 | |
107 | ); | |
044a28cd GJ |
108 | } |
109 | } | |
82202428 GJ |
110 | |
111 | public static function loadGrills() | |
112 | { | |
113 | self::$GRILLS = array_slice(scandir('img/grills/'), 2); | |
114 | } | |
044a28cd GJ |
115 | } |
116 | ||
117 | class Response | |
118 | { | |
4c21cfa0 | 119 | private mixed $type; |
82202428 | 120 | |
82202428 | 121 | public function __construct($response_type = null) |
044a28cd | 122 | { |
82202428 GJ |
123 | switch ($response_type) { |
124 | case 'csv': | |
125 | header('Content-Type: text/csv; charset=UTF-8'); | |
126 | $this->type = $response_type; | |
127 | break; | |
128 | case 'html': | |
129 | header('Content-Type: text/html; charset=UTF-8'); | |
130 | $this->type = $response_type; | |
131 | break; | |
132 | case 'json': | |
133 | header('Content-Type: application/json; charset=UTF-8'); | |
134 | $this->type = $response_type; | |
135 | break; | |
136 | case 'gyazo': | |
137 | header('Content-Type: text/plain; charset=UTF-8'); | |
138 | $this->type = 'text'; | |
139 | break; | |
140 | case 'text': | |
141 | header('Content-Type: text/plain; charset=UTF-8'); | |
142 | $this->type = $response_type; | |
143 | break; | |
144 | default: | |
145 | header('Content-Type: application/json; charset=UTF-8'); | |
146 | $this->type = 'json'; | |
147 | $this->error(400, 'Invalid response type. Valid options are: csv, html, json, text.'); | |
148 | break; | |
149 | } | |
150 | } | |
151 | ||
82202428 GJ |
152 | public function error($code, $desc) |
153 | { | |
154 | $response = null; | |
155 | ||
156 | switch ($this->type) { | |
157 | case 'csv': | |
158 | $response = $this->csvError($desc); | |
159 | break; | |
160 | case 'html': | |
161 | $response = $this->htmlError($code, $desc); | |
162 | break; | |
163 | case 'json': | |
164 | $response = $this->jsonError($code, $desc); | |
165 | break; | |
166 | case 'text': | |
167 | $response = $this->textError($code, $desc); | |
168 | break; | |
169 | } | |
044a28cd | 170 | http_response_code($code); |
82202428 GJ |
171 | echo $response; |
172 | } | |
173 | ||
4c21cfa0 | 174 | private static function csvError($description): string |
82202428 GJ |
175 | { |
176 | return '"error"' . "\r\n" . "\"$description\"" . "\r\n"; | |
177 | } | |
178 | ||
4c21cfa0 | 179 | private static function htmlError($code, $description): string |
82202428 GJ |
180 | { |
181 | return '<p>ERROR: (' . $code . ') ' . $description . '</p>'; | |
182 | } | |
183 | ||
4c21cfa0 | 184 | private static function jsonError($code, $description): bool|string |
82202428 GJ |
185 | { |
186 | return json_encode([ | |
044a28cd | 187 | 'success' => false, |
82202428 GJ |
188 | 'errorcode' => $code, |
189 | 'description' => $description, | |
190 | ], JSON_PRETTY_PRINT); | |
044a28cd GJ |
191 | } |
192 | ||
4c21cfa0 GJ |
193 | |
194 | private static function textError($code, $description): string | |
044a28cd | 195 | { |
82202428 | 196 | return 'ERROR: (' . $code . ') ' . $description; |
044a28cd GJ |
197 | } |
198 | ||
82202428 | 199 | public function send($files) |
044a28cd | 200 | { |
82202428 GJ |
201 | $response = null; |
202 | ||
203 | switch ($this->type) { | |
204 | case 'csv': | |
205 | $response = $this->csvSuccess($files); | |
206 | break; | |
207 | case 'html': | |
208 | $response = $this->htmlSuccess($files); | |
209 | break; | |
210 | case 'json': | |
211 | $response = $this->jsonSuccess($files); | |
212 | break; | |
213 | case 'text': | |
214 | $response = $this->textSuccess($files); | |
215 | break; | |
216 | } | |
217 | ||
218 | http_response_code(200); // "200 OK". Success. | |
219 | echo $response; | |
220 | } | |
221 | ||
4c21cfa0 | 222 | private static function csvSuccess($files): string |
82202428 GJ |
223 | { |
224 | $result = '"name","url","hash","size"' . "\r\n"; | |
225 | foreach ($files as $file) { | |
226 | $result .= '"' . $file['name'] . '"' . ',' . | |
227 | '"' . $file['url'] . '"' . ',' . | |
228 | '"' . $file['hash'] . '"' . ',' . | |
229 | '"' . $file['size'] . '"' . "\r\n"; | |
230 | } | |
231 | ||
232 | return $result; | |
233 | } | |
234 | ||
4c21cfa0 | 235 | private static function htmlSuccess($files): string |
82202428 GJ |
236 | { |
237 | $result = ''; | |
238 | ||
239 | foreach ($files as $file) { | |
240 | $result .= '<a href="' . $file['url'] . '">' . $file['url'] . '</a><br>'; | |
241 | } | |
242 | ||
243 | return $result; | |
244 | } | |
245 | ||
4c21cfa0 | 246 | private static function jsonSuccess($files): bool|string |
82202428 GJ |
247 | { |
248 | return json_encode([ | |
044a28cd | 249 | 'success' => true, |
82202428 GJ |
250 | 'files' => $files, |
251 | ], JSON_PRETTY_PRINT); | |
252 | } | |
253 | ||
4c21cfa0 | 254 | private static function textSuccess($files): string |
82202428 GJ |
255 | { |
256 | $result = ''; | |
257 | ||
258 | foreach ($files as $file) { | |
259 | $result .= $file['url'] . "\n"; | |
260 | } | |
261 | ||
262 | return $result; | |
044a28cd GJ |
263 | } |
264 | } | |
265 | ||
044a28cd GJ |
266 | class Database |
267 | { | |
4c21cfa0 GJ |
268 | /** |
269 | * @throws Exception | |
270 | */ | |
82202428 | 271 | public static function assemblePDO() |
044a28cd | 272 | { |
82202428 GJ |
273 | try { |
274 | Settings::$DB = new PDO( | |
275 | Settings::$DB_MODE . ':' . Settings::$DB_PATH, Settings::$DB_USER, | |
276 | Settings::$DB_PASS | |
277 | ); | |
4c21cfa0 GJ |
278 | } catch (Exception) { |
279 | throw new Exception('Cant connect to DB.', 500); | |
82202428 | 280 | } |
044a28cd GJ |
281 | } |
282 | ||
4c21cfa0 GJ |
283 | /** |
284 | * @throws Exception | |
285 | */ | |
044a28cd GJ |
286 | public function dbCheckNameExists() |
287 | { | |
82202428 GJ |
288 | try { |
289 | $q = Settings::$DB->prepare('SELECT COUNT(filename) FROM files WHERE filename = (:name)'); | |
290 | $q->bindValue(':name', Upload::$NEW_NAME_FULL); | |
291 | $q->execute(); | |
292 | return $q->fetchColumn(); | |
4c21cfa0 GJ |
293 | } catch (Exception) { |
294 | throw new Exception('Cant check if name exists in DB.', 500); | |
82202428 | 295 | } |
044a28cd GJ |
296 | } |
297 | ||
4c21cfa0 GJ |
298 | /** |
299 | * @throws Exception | |
300 | */ | |
044a28cd GJ |
301 | public function checkFileBlacklist() |
302 | { | |
82202428 GJ |
303 | try { |
304 | $q = Settings::$DB->prepare('SELECT hash, COUNT(*) AS count FROM blacklist WHERE hash = (:hash)'); | |
305 | $q->bindValue(':hash', Upload::$SHA1, PDO::PARAM_STR); | |
306 | $q->execute(); | |
307 | $result = $q->fetch(); | |
308 | if ($result['count'] > 0) { | |
4c21cfa0 | 309 | throw new Exception('File blacklisted!', 415); |
82202428 | 310 | } |
4c21cfa0 GJ |
311 | } catch (Exception) { |
312 | throw new Exception('Cant check blacklist DB.', 500); | |
044a28cd GJ |
313 | } |
314 | } | |
315 | ||
4c21cfa0 GJ |
316 | /** |
317 | * @throws Exception | |
318 | */ | |
82202428 GJ |
319 | public function antiDupe() |
320 | { | |
321 | try { | |
322 | $q = Settings::$DB->prepare( | |
323 | 'SELECT filename, COUNT(*) AS count FROM files WHERE hash = (:hash) AND size = (:size)' | |
044a28cd | 324 | ); |
82202428 GJ |
325 | $q->bindValue(':hash', Upload::$SHA1, PDO::PARAM_STR); |
326 | $q->bindValue(':size', Upload::$FILE_SIZE, PDO::PARAM_INT); | |
327 | $q->execute(); | |
328 | $result = $q->fetch(); | |
329 | if ($result['count'] > 0) { | |
0a3934c2 | 330 | return $result['filename']; |
82202428 | 331 | } |
4c21cfa0 GJ |
332 | } catch (Exception) { |
333 | throw new Exception('Cant check for dupes in DB.', 500); | |
044a28cd | 334 | } |
044a28cd GJ |
335 | } |
336 | ||
4c21cfa0 GJ |
337 | /** |
338 | * @throws Exception | |
339 | */ | |
044a28cd GJ |
340 | public function newIntoDB() |
341 | { | |
82202428 GJ |
342 | try { |
343 | $q = Settings::$DB->prepare( | |
344 | 'INSERT INTO files (hash, originalname, filename, size, date, ip)' . | |
345 | 'VALUES (:hash, :orig, :name, :size, :date, :ip)' | |
346 | ); | |
347 | $q->bindValue(':hash', Upload::$SHA1, PDO::PARAM_STR); | |
348 | $q->bindValue(':orig', strip_tags(Upload::$FILE_NAME), PDO::PARAM_STR); | |
349 | $q->bindValue(':name', Upload::$NEW_NAME_FULL, PDO::PARAM_STR); | |
350 | $q->bindValue(':size', Upload::$FILE_SIZE, PDO::PARAM_INT); | |
351 | $q->bindValue(':date', time(), PDO::PARAM_STR); | |
352 | $q->bindValue(':ip', Upload::$IP, PDO::PARAM_STR); | |
353 | $q->execute(); | |
4c21cfa0 GJ |
354 | } catch (Exception) { |
355 | throw new Exception('Cant insert into DB.', 500); | |
82202428 | 356 | } |
044a28cd GJ |
357 | } |
358 | } | |
359 | } | |
360 | ||
361 |