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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * The userdata class provides methods to manage user information. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Lars Tiedemann <php@larstiedemann.de> |
| 12 | * @copyright 2005-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2005-09-18 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\User; |
| 21 | |
| 22 | use phpMyFAQ\Configuration; |
| 23 | use phpMyFAQ\Database; |
| 24 | use Symfony\Component\HttpFoundation\Request; |
| 25 | |
| 26 | /** |
| 27 | * UserData. |
| 28 | * |
| 29 | * @package phpMyFAQ |
| 30 | * @author Lars Tiedemann <php@larstiedemann.de> |
| 31 | * @copyright 2005-2026 phpMyFAQ Team |
| 32 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 33 | * @link https://www.phpmyfaq.de |
| 34 | * @since 2005-09-18 |
| 35 | */ |
| 36 | class UserData |
| 37 | { |
| 38 | /** |
| 39 | * associative array containing user data. |
| 40 | * |
| 41 | * @var array<array-key, mixed> |
| 42 | */ |
| 43 | private array $data = []; |
| 44 | |
| 45 | /** |
| 46 | * User-ID. |
| 47 | */ |
| 48 | private int $userId = 0; |
| 49 | |
| 50 | /** |
| 51 | * Constructor. |
| 52 | */ |
| 53 | public function __construct( |
| 54 | private readonly Configuration $configuration, |
| 55 | ) { |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Returns the field $field of the user data. If $field is an |
| 60 | * array, an associative array will be returned. |
| 61 | * |
| 62 | * @param mixed $field Field(s) |
| 63 | */ |
| 64 | public function get(mixed $field): mixed |
| 65 | { |
| 66 | $singleReturn = !is_array($field); |
| 67 | $fields = is_array($field) |
| 68 | ? implode(', ', array_map(static fn(mixed $column): string => (string) $column, $field)) |
| 69 | : (string) $field; |
| 70 | |
| 71 | $select = sprintf( |
| 72 | 'SELECT %s FROM %sfaquserdata WHERE user_id = %d', |
| 73 | $fields, |
| 74 | Database::getTablePrefix(), |
| 75 | $this->userId, |
| 76 | ); |
| 77 | |
| 78 | try { |
| 79 | $res = $this->configuration->getDb()->query($select); |
| 80 | } catch (\Throwable) { |
| 81 | if ($singleReturn && $field === 'keycloak_sub') { |
| 82 | return ''; |
| 83 | } |
| 84 | |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | if ($res === false) { |
| 89 | if ($singleReturn && $field === 'keycloak_sub') { |
| 90 | return ''; |
| 91 | } |
| 92 | |
| 93 | return false; |
| 94 | } |
| 95 | |
| 96 | if ($this->configuration->getDb()->numRows($res) !== 1) { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | $array = $this->configuration->getDb()->fetchArray($res); |
| 101 | if (!is_array($array)) { |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | // Decode HTML entities in display_name for backward compatibility |
| 106 | if (array_key_exists('display_name', $array) && is_string($array['display_name'])) { |
| 107 | $array['display_name'] = html_entity_decode( |
| 108 | $array['display_name'], |
| 109 | ENT_QUOTES | ENT_HTML5 | ENT_SUBSTITUTE, |
| 110 | encoding: 'UTF-8', |
| 111 | ); |
| 112 | } |
| 113 | |
| 114 | if ($singleReturn && $field !== '*') { |
| 115 | return match ($field) { |
| 116 | 'display_name', 'email', 'keycloak_sub', 'secret' => (string) ($array[$field] ?? ''), |
| 117 | default => $array[$field] ?? null, |
| 118 | }; |
| 119 | } |
| 120 | |
| 121 | return $array; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Returns the first result of the given key. |
| 126 | */ |
| 127 | public function fetch(string $key, string $value): ?string |
| 128 | { |
| 129 | $select = sprintf( |
| 130 | "SELECT %s FROM %sfaquserdata WHERE %s = '%s'", |
| 131 | $key, |
| 132 | Database::getTablePrefix(), |
| 133 | $key, |
| 134 | $this->configuration->getDb()->escape($value), |
| 135 | ); |
| 136 | |
| 137 | $res = $this->configuration->getDb()->query($select); |
| 138 | |
| 139 | if (0 === $this->configuration->getDb()->numRows($res)) { |
| 140 | return null; |
| 141 | } |
| 142 | |
| 143 | $row = $this->configuration->getDb()->fetchObject($res); |
| 144 | |
| 145 | /* @mago-expect analysis:mixed-return-statement - user data fields are heterogeneous by design */ |
| 146 | return $row instanceof \stdClass ? $row->$key : null; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Returns the data of the given key. |
| 151 | * |
| 152 | * @return array<array-key, mixed> |
| 153 | */ |
| 154 | public function fetchAll(string $key, string $value): array |
| 155 | { |
| 156 | // $key is a column name chosen by internal callers, never user input; only |
| 157 | // the value is bound as a parameter. |
| 158 | $select = sprintf('SELECT |
| 159 | user_id, last_modified, display_name, email, keycloak_sub, is_visible, twofactor_enabled, secret |
| 160 | FROM %sfaquserdata WHERE %s = ?', Database::getTablePrefix(), $key); |
| 161 | |
| 162 | try { |
| 163 | $res = $this->configuration->getDb()->queryPrepared($select, [$value]); |
| 164 | } catch (\Throwable) { |
| 165 | $res = false; |
| 166 | } |
| 167 | |
| 168 | if ($res === false) { |
| 169 | $select = sprintf('SELECT |
| 170 | user_id, last_modified, display_name, email, is_visible, twofactor_enabled, secret |
| 171 | FROM %sfaquserdata WHERE %s = ?', Database::getTablePrefix(), $key); |
| 172 | $res = $this->configuration->getDb()->queryPrepared($select, [$value]); |
| 173 | } |
| 174 | |
| 175 | if ($this->configuration->getDb()->numRows($res) !== 1) { |
| 176 | return ['user_id' => -1]; |
| 177 | } |
| 178 | |
| 179 | $row = $this->configuration->getDb()->fetchArray($res); |
| 180 | $this->data = is_array($row) ? $row : []; |
| 181 | $this->data['keycloak_sub'] ??= ''; |
| 182 | |
| 183 | return $this->data; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Sets the user data given by $field and $value. If $field |
| 188 | * and $value are arrays, all fields with the corresponding |
| 189 | * values are updated. Changes are being stored in the database. |
| 190 | * |
| 191 | * @param mixed $field Field(s) |
| 192 | * @param mixed $value Value(s) |
| 193 | */ |
| 194 | public function set(mixed $field, mixed $value = null): bool |
| 195 | { |
| 196 | // check input |
| 197 | if (!is_array($field)) { |
| 198 | $field = [$field]; |
| 199 | } |
| 200 | |
| 201 | if (!is_array($value)) { |
| 202 | $value = [$value]; |
| 203 | } |
| 204 | |
| 205 | if (count($field) !== count($value)) { |
| 206 | return false; |
| 207 | } |
| 208 | |
| 209 | // update data |
| 210 | $num = count($field); |
| 211 | for ($i = 0; $i < $num; ++$i) { |
| 212 | $this->data[$field[$i]] = $value[$i]; |
| 213 | } |
| 214 | |
| 215 | return $this->save(); |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Loads the user-data from the database and returns an |
| 220 | * associative array with the fields and values. |
| 221 | * |
| 222 | * @param int $userId User ID |
| 223 | */ |
| 224 | public function load(int $userId): bool |
| 225 | { |
| 226 | if ($userId <= 0 && $userId !== -1) { |
| 227 | return false; |
| 228 | } |
| 229 | |
| 230 | $this->userId = $userId; |
| 231 | $select = sprintf(' |
| 232 | SELECT |
| 233 | last_modified, |
| 234 | display_name, |
| 235 | email, |
| 236 | keycloak_sub, |
| 237 | is_visible, |
| 238 | twofactor_enabled, |
| 239 | secret |
| 240 | FROM |
| 241 | %sfaquserdata |
| 242 | WHERE |
| 243 | user_id = %d', Database::getTablePrefix(), $this->userId); |
| 244 | |
| 245 | try { |
| 246 | $res = $this->configuration->getDb()->query($select); |
| 247 | } catch (\Throwable) { |
| 248 | $res = false; |
| 249 | } |
| 250 | |
| 251 | if ($res === false) { |
| 252 | $select = sprintf(' |
| 253 | SELECT |
| 254 | last_modified, |
| 255 | display_name, |
| 256 | email, |
| 257 | is_visible, |
| 258 | twofactor_enabled, |
| 259 | secret |
| 260 | FROM |
| 261 | %sfaquserdata |
| 262 | WHERE |
| 263 | user_id = %d', Database::getTablePrefix(), $this->userId); |
| 264 | $res = $this->configuration->getDb()->query($select); |
| 265 | } |
| 266 | |
| 267 | if ($this->configuration->getDb()->numRows($res) !== 1) { |
| 268 | return false; |
| 269 | } |
| 270 | |
| 271 | $row = $this->configuration->getDb()->fetchArray($res); |
| 272 | $this->data = is_array($row) ? $row : []; |
| 273 | $this->data['keycloak_sub'] ??= ''; |
| 274 | |
| 275 | return true; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Saves the current user-data into the database. |
| 280 | * Returns true on success, otherwise false. |
| 281 | */ |
| 282 | public function save(): bool |
| 283 | { |
| 284 | $keycloakSubRaw = $this->data['keycloak_sub'] ?? null; |
| 285 | $keycloakSubValue = is_string($keycloakSubRaw) && trim($keycloakSubRaw) !== '' |
| 286 | ? "'" . $this->configuration->getDb()->escape($keycloakSubRaw) . "'" |
| 287 | : 'NULL'; |
| 288 | |
| 289 | $update = sprintf( |
| 290 | " |
| 291 | UPDATE |
| 292 | %sfaquserdata |
| 293 | SET |
| 294 | last_modified = '%s', |
| 295 | display_name = '%s', |
| 296 | email = '%s', |
| 297 | keycloak_sub = %s, |
| 298 | is_visible = %d, |
| 299 | twofactor_enabled = %d, |
| 300 | secret = '%s' |
| 301 | WHERE |
| 302 | user_id = %d", |
| 303 | Database::getTablePrefix(), |
| 304 | date(format: 'YmdHis', timestamp: (int) Request::createFromGlobals()->server->get('REQUEST_TIME')), |
| 305 | $this->configuration->getDb()->escape((string) ($this->data['display_name'] ?? '')), |
| 306 | $this->configuration->getDb()->escape((string) ($this->data['email'] ?? '')), |
| 307 | $keycloakSubValue, |
| 308 | (int) ($this->data['is_visible'] ?? 0), |
| 309 | (int) ($this->data['twofactor_enabled'] ?? 0), |
| 310 | $this->configuration->getDb()->escape((string) ($this->data['secret'] ?? '')), |
| 311 | $this->userId, |
| 312 | ); |
| 313 | |
| 314 | try { |
| 315 | $res = $this->configuration->getDb()->query($update); |
| 316 | } catch (\Throwable) { |
| 317 | $res = false; |
| 318 | } |
| 319 | |
| 320 | if ($res === false) { |
| 321 | // Only bail out if the user actually has a Keycloak subject to |
| 322 | // persist. An empty placeholder must not block the fallback UPDATE |
| 323 | // for schemas that lack the keycloak_sub column. |
| 324 | if (is_string($keycloakSubRaw) && trim($keycloakSubRaw) !== '') { |
| 325 | return false; |
| 326 | } |
| 327 | |
| 328 | $update = sprintf( |
| 329 | " |
| 330 | UPDATE |
| 331 | %sfaquserdata |
| 332 | SET |
| 333 | last_modified = '%s', |
| 334 | display_name = '%s', |
| 335 | email = '%s', |
| 336 | is_visible = %d, |
| 337 | twofactor_enabled = %d, |
| 338 | secret = '%s' |
| 339 | WHERE |
| 340 | user_id = %d", |
| 341 | Database::getTablePrefix(), |
| 342 | date(format: 'YmdHis', timestamp: (int) Request::createFromGlobals()->server->get('REQUEST_TIME')), |
| 343 | $this->configuration->getDb()->escape((string) ($this->data['display_name'] ?? '')), |
| 344 | $this->configuration->getDb()->escape((string) ($this->data['email'] ?? '')), |
| 345 | (int) ($this->data['is_visible'] ?? 0), |
| 346 | (int) ($this->data['twofactor_enabled'] ?? 0), |
| 347 | $this->configuration->getDb()->escape((string) ($this->data['secret'] ?? '')), |
| 348 | $this->userId, |
| 349 | ); |
| 350 | |
| 351 | $res = $this->configuration->getDb()->query($update); |
| 352 | } |
| 353 | |
| 354 | return (bool) $res; |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * Adds a new user entry for user-data in the database. |
| 359 | * Returns true on success, otherwise false. |
| 360 | * |
| 361 | * @param int $userId User ID |
| 362 | */ |
| 363 | public function add(int $userId): bool |
| 364 | { |
| 365 | if ($userId <= 0 && $userId !== -1) { |
| 366 | return false; |
| 367 | } |
| 368 | |
| 369 | $this->userId = $userId; |
| 370 | $insert = sprintf( |
| 371 | " |
| 372 | INSERT INTO |
| 373 | %sfaquserdata |
| 374 | (user_id, last_modified, is_visible, twofactor_enabled, secret) |
| 375 | VALUES |
| 376 | (%d, '%s', 1, 0, '')", |
| 377 | Database::getTablePrefix(), |
| 378 | $this->userId, |
| 379 | date(format: 'YmdHis', timestamp: (int) Request::createFromGlobals()->server->get('REQUEST_TIME')), |
| 380 | ); |
| 381 | |
| 382 | $res = $this->configuration->getDb()->query($insert); |
| 383 | return (bool) $res; |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Deletes the user-data entry for the given user-ID $userId. |
| 388 | * Returns true on success, otherwise false. |
| 389 | * |
| 390 | * @param int $userId User ID |
| 391 | */ |
| 392 | public function delete(int $userId): bool |
| 393 | { |
| 394 | if ($userId <= 0 && $userId !== -1) { |
| 395 | return false; |
| 396 | } |
| 397 | |
| 398 | $this->userId = $userId; |
| 399 | $delete = sprintf('DELETE FROM %sfaquserdata WHERE user_id = %d', Database::getTablePrefix(), $this->userId); |
| 400 | |
| 401 | $res = $this->configuration->getDb()->query($delete); |
| 402 | if (!$res) { |
| 403 | return false; |
| 404 | } |
| 405 | |
| 406 | $this->data = []; |
| 407 | |
| 408 | return true; |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Checks if an email address already exists in the user data table. |
| 413 | * Returns true if the email exists, false otherwise. |
| 414 | * |
| 415 | * @param string $email Email address to check |
| 416 | */ |
| 417 | public function emailExists(string $email): bool |
| 418 | { |
| 419 | if ($email === '' || $email === '0') { |
| 420 | return false; |
| 421 | } |
| 422 | |
| 423 | $select = sprintf( |
| 424 | "SELECT user_id FROM %sfaquserdata WHERE email = '%s'", |
| 425 | Database::getTablePrefix(), |
| 426 | $this->configuration->getDb()->escape($email), |
| 427 | ); |
| 428 | |
| 429 | $res = $this->configuration->getDb()->query($select); |
| 430 | return $this->configuration->getDb()->numRows($res) > 0; |
| 431 | } |
| 432 | } |