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| Name | Lines | Methods | CRAP | ||||
|---|---|---|---|---|---|---|---|
| connection | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| connect | 18.75% | 3 / 16 | 0.00% | 0 / 1 | 33.28 | ||
| error | 0.00% | 0 / 1 | 0.00% | 0 / 1 | 6 | ||
| escape | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| fetchArray | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 2 | ||
| fetchRow | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 2 | ||
| fetchAll | 100.00% | 9 / 9 | 100.00% | 1 / 1 | 4 | ||
| fetchObject | 100.00% | 2 / 2 | 100.00% | 1 / 1 | 2 | ||
| numRows | 66.66% | 2 / 3 | 0.00% | 0 / 1 | 2.15 | ||
| log | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| getTableStatus | 100.00% | 4 / 4 | 100.00% | 1 / 1 | 2 | ||
| getTableNames | 100.00% | 45 / 45 | 100.00% | 1 / 1 | 1 | ||
| getOne | 100.00% | 3 / 3 | 100.00% | 1 / 1 | 2 | ||
| nextId | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 2 | ||
| query | 66.66% | 6 / 9 | 0.00% | 0 / 1 | 4.59 | ||
| queryPrepared | 0.00% | 0 / 6 | 0.00% | 0 / 1 | 12 | ||
| affectedRows | 0.00% | 0 / 2 | 0.00% | 0 / 1 | 6 | ||
| clientVersion | 0.00% | 0 / 1 | 0.00% | 0 / 1 | 2 | ||
| serverVersion | 0.00% | 0 / 1 | 0.00% | 0 / 1 | 2 | ||
| close | 33.33% | 1 / 3 | 0.00% | 0 / 1 | 3.19 | ||
| __destruct | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| lastInsertId | 0.00% | 0 / 1 | 0.00% | 0 / 1 | 2 | ||
| now | 0.00% | 0 / 1 | 0.00% | 0 / 1 | 2 | ||
| 36 | class Mysqli implements DatabaseDriver | |
| 37 | { | |
| 38 | /** | |
| 39 | * @var string[] Tables. | |
| 40 | */ | |
| 41 | public array $tableNames = []; | |
| 42 | ||
| 43 | /** | |
| 44 | * The connection object. | |
| 45 | */ | |
| 46 | private ?\mysqli $conn = null; | |
| 47 | ||
| 48 | /** | |
| 49 | * Returns the active connection or fails loudly when connect() has not | |
| 50 | * been called yet or the connection was already closed. | |
| 51 | * | |
| 52 | * @throws Exception | |
| 53 | */ | |
| 54 | private function connection(): \mysqli | |
| 55 | { | |
| 56 | return $this->conn ?? throw new Exception(message: 'There is no open database connection.'); | |
| 57 | } | |
| 58 | ||
| 59 | /** | |
| 60 | * The query log string. | |
| 61 | */ | |
| 62 | private string $sqlLog = ''; | |
| 63 | ||
| 64 | /** | |
| 65 | * Connects to the database. | |
| 66 | * | |
| 67 | * @param string $host Hostname or path to socket | |
| 68 | * @param string $user Username | |
| 69 | * @param string $password Password | |
| 70 | * @param string $database Database name | |
| 71 | * @return null|bool true, if connected, otherwise false | |
| 72 | * @throws Exception | |
| 73 | */ | |
| 74 | public function connect( | |
| 75 | string $host, | |
| 76 | #[SensitiveParameter] | |
| 77 | string $user, | |
| 78 | #[SensitiveParameter] | |
| 79 | string $password, | |
| 80 | string $database = '', | |
| 81 | ?int $port = null, | |
| 82 | ): ?bool { | |
| 83 | try { | |
| 84 | // Connect to MySQL via network by default. | |
| 85 | $connection = new \mysqli($host, $user, $password, null, $port); | |
| 86 | if (str_starts_with($host, '/')) { | |
| 87 | // Connect to MySQL via socket | |
| 88 | $connection = new \mysqli(null, $user, $password, null, $port, $host); | |
| 89 | } | |
| 90 | } catch (mysqli_sql_exception $mysqlisqlexception) { | |
| 91 | throw new Exception($mysqlisqlexception->getMessage()); | |
| 92 | } | |
| 93 | ||
| 94 | $this->conn = $connection; | |
| 95 | ||
| 96 | if ($connection->connect_error) { | |
| 97 | Database::errorPage($connection->connect_errno . ': ' . $connection->connect_error); | |
| 98 | die(); | |
| 99 | } | |
| 100 | ||
| 101 | // change character set to UTF-8 | |
| 102 | if (!$connection->set_charset('utf8mb4')) { | |
| 103 | Database::errorPage($this->error()); | |
| 104 | } | |
| 105 | ||
| 106 | if ('' !== $database) { | |
| 107 | try { | |
| 108 | $connection->select_db($database); | |
| 109 | } catch (mysqli_sql_exception) { | |
| 110 | throw new Exception('Cannot connect to database ' . $database); | |
| 111 | } | |
| 112 | } | |
| 113 | ||
| 114 | return true; | |
| 115 | } | |
| 116 | ||
| 117 | /** | |
| 118 | * Returns the error string. | |
| 119 | */ | |
| 120 | public function error(): string | |
| 121 | { | |
| 122 | return $this->conn instanceof \mysqli ? $this->conn->error : ''; | |
| 123 | } | |
| 124 | ||
| 125 | /** | |
| 126 | * Escapes a string for use in a query. | |
| 127 | */ | |
| 128 | public function escape(string $string): string | |
| 129 | { | |
| 130 | return $this->connection()->real_escape_string($string); | |
| 131 | } | |
| 132 | ||
| 133 | /** | |
| 134 | * Fetch a result row as an associative array. | |
| 135 | */ | |
| 136 | public function fetchArray(mixed $result): array|false|null | |
| 137 | { | |
| 138 | return $result instanceof mysqli_result ? $result->fetch_assoc() : null; | |
| 139 | } | |
| 140 | ||
| 141 | /** | |
| 142 | * Fetch a result row. | |
| 143 | */ | |
| 144 | public function fetchRow(mixed $result): mixed | |
| 145 | { | |
| 146 | return $result instanceof mysqli_result ? $result->fetch_row()[0] ?? false : false; | |
| 147 | } | |
| 148 | ||
| 149 | /** | |
| 150 | * Fetches a complete result as an object. | |
| 151 | * | |
| 152 | * @param mixed $result Result set | |
| 153 | * @throws Exception | |
| 154 | * @return list<\stdClass>|null | |
| 155 | */ | |
| 156 | public function fetchAll(mixed $result): ?array | |
| 157 | { | |
| 158 | $ret = []; | |
| 159 | if (false === $result) { | |
| 160 | throw new Exception('Error while fetching result: ' . $this->error()); | |
| 161 | } | |
| 162 | ||
| 163 | while (true) { | |
| 164 | $row = $this->fetchObject($result); | |
| 165 | if (!$row instanceof \stdClass) { | |
| 166 | break; | |
| 167 | } | |
| 168 | ||
| 169 | $ret[] = $row; | |
| 170 | } | |
| 171 | ||
| 172 | return $ret; | |
| 173 | } | |
| 174 | ||
| 175 | /** | |
| 176 | * Fetch a result row as an object. | |
| 177 | * This function fetches a result row as an object. | |
| 178 | * | |
| 179 | * @return \stdClass|false|null | |
| 180 | * | |
| 181 | * @throws Exception | |
| 182 | */ | |
| 183 | public function fetchObject(mixed $result): mixed | |
| 184 | { | |
| 185 | /* @mago-expect lint:inline-variable-return - the variable carries the @var type for mago analyze */ | |
| 186 | /** @var \stdClass|false|null $row */ | |
| 187 | $row = $result instanceof mysqli_result ? $result->fetch_object() : null; | |
| 188 | ||
| 189 | return $row; | |
| 190 | } | |
| 191 | ||
| 192 | /** | |
| 193 | * Number of rows in a result. | |
| 194 | */ | |
| 195 | public function numRows(mixed $result): int | |
| 196 | { | |
| 197 | if ($result instanceof mysqli_result) { | |
| 198 | return (int) $result->num_rows; | |
| 199 | } | |
| 200 | ||
| 201 | return 0; | |
| 202 | } | |
| 203 | ||
| 204 | /** | |
| 205 | * Logs the queries. | |
| 206 | */ | |
| 207 | public function log(): string | |
| 208 | { | |
| 209 | return $this->sqlLog; | |
| 210 | } | |
| 211 | ||
| 212 | /** | |
| 213 | * This function returns the table status. | |
| 214 | * | |
| 215 | * @param string $prefix Table prefix | |
| 216 | * @return string[] | |
| 217 | */ | |
| 218 | public function getTableStatus(string $prefix = ''): array | |
| 219 | { | |
| 220 | $status = []; | |
| 221 | foreach ($this->getTableNames($prefix) as $table) { | |
| 222 | $status[$table] = $this->getOne('SELECT count(*) FROM ' . $table); | |
| 223 | } | |
| 224 | ||
| 225 | return $status; | |
| 226 | } | |
| 227 | ||
| 228 | /** | |
| 229 | * Returns an array with all table names. | |
| 230 | * | |
| 231 | * @todo Have to be refactored because of https://github.com/thorsten/phpMyFAQ/issues/965 | |
| 232 | * | |
| 233 | * @param string $prefix Table prefix | |
| 234 | * | |
| 235 | * @return string[] | |
| 236 | */ | |
| 237 | public function getTableNames(string $prefix = ''): array | |
| 238 | { | |
| 239 | return $this->tableNames = [ | |
| 240 | $prefix . 'faqadminlog', | |
| 241 | $prefix . 'faqattachment', | |
| 242 | $prefix . 'faqattachment_file', | |
| 243 | $prefix . 'faqbackup', | |
| 244 | $prefix . 'faqbookmarks', | |
| 245 | $prefix . 'faqcaptcha', | |
| 246 | $prefix . 'faqcategories', | |
| 247 | $prefix . 'faqcategoryrelations', | |
| 248 | $prefix . 'faqcategory_group', | |
| 249 | $prefix . 'faqcategory_news', | |
| 250 | $prefix . 'faqcategory_order', | |
| 251 | $prefix . 'faqcategory_user', | |
| 252 | $prefix . 'faqchanges', | |
| 253 | $prefix . 'faqchat_messages', | |
| 254 | $prefix . 'faqcomments', | |
| 255 | $prefix . 'faqconfig', | |
| 256 | $prefix . 'faqcustompages', | |
| 257 | $prefix . 'faqdata', | |
| 258 | $prefix . 'faqdata_group', | |
| 259 | $prefix . 'faqdata_revisions', | |
| 260 | $prefix . 'faqdata_tags', | |
| 261 | $prefix . 'faqdata_user', | |
| 262 | $prefix . 'faqforms', | |
| 263 | $prefix . 'faqglossary', | |
| 264 | $prefix . 'faqgroup', | |
| 265 | $prefix . 'faqgroup_right', | |
| 266 | $prefix . 'faqinstances', | |
| 267 | $prefix . 'faqinstances_config', | |
| 268 | $prefix . 'faqnews', | |
| 269 | $prefix . 'faqquestions', | |
| 270 | $prefix . 'faqright', | |
| 271 | $prefix . 'faqsearches', | |
| 272 | $prefix . 'faqseo', | |
| 273 | $prefix . 'faqsessions', | |
| 274 | $prefix . 'faqstopwords', | |
| 275 | $prefix . 'faqtags', | |
| 276 | $prefix . 'faquser', | |
| 277 | $prefix . 'faquserdata', | |
| 278 | $prefix . 'faquserlogin', | |
| 279 | $prefix . 'faquser_group', | |
| 280 | $prefix . 'faquser_right', | |
| 281 | $prefix . 'faqvisits', | |
| 282 | $prefix . 'faqvoting', | |
| 283 | ]; | |
| 284 | } | |
| 285 | ||
| 286 | /** | |
| 287 | * Returns just one row. | |
| 288 | */ | |
| 289 | private function getOne(string $query): string | |
| 290 | { | |
| 291 | $result = $this->connection()->query($query); | |
| 292 | $row = $result instanceof mysqli_result ? $result->fetch_row() : null; | |
| 293 | ||
| 294 | return (string) ($row[0] ?? ''); | |
| 295 | } | |
| 296 | ||
| 297 | /** | |
| 298 | * This function is a replacement for MySQL's auto-increment so that | |
| 299 | * we don't need it anymore. | |
| 300 | * | |
| 301 | * @param string $table The name of the table | |
| 302 | * @param string $column The name of the ID column | |
| 303 | * @throws Exception | |
| 304 | */ | |
| 305 | public function nextId(string $table, string $column): int | |
| 306 | { | |
| 307 | $select = sprintf(' | |
| 308 | SELECT | |
| 309 | MAX(%s) AS current_id | |
| 310 | FROM | |
| 311 | %s', $column, $table); | |
| 312 | ||
| 313 | $mysqliresult = $this->query($select); | |
| 314 | ||
| 315 | $current = $mysqliresult instanceof mysqli_result ? $mysqliresult->fetch_row() : [0]; | |
| 316 | ||
| 317 | return (int) ($current[0] ?? 0) + 1; | |
| 318 | } | |
| 319 | ||
| 320 | /** | |
| 321 | * This function sends a query to the database. | |
| 322 | * | |
| 323 | * @return mysqli_result|bool | |
| 324 | * @throws Exception | |
| 325 | */ | |
| 326 | public function query(string $query, int $offset = 0, int $rowcount = 0): mixed | |
| 327 | { | |
| 328 | $this->sqlLog .= $query; | |
| 329 | ||
| 330 | if (0 < $rowcount) { | |
| 331 | $query .= sprintf(' LIMIT %d,%d', $offset, $rowcount); | |
| 332 | } | |
| 333 | ||
| 334 | try { | |
| 335 | $result = $this->connection()->query($query); | |
| 336 | } catch (mysqli_sql_exception $mysqlisqlexception) { | |
| 337 | throw new Exception($mysqlisqlexception->getMessage()); | |
| 338 | } | |
| 339 | ||
| 340 | if (false === $result) { | |
| 341 | $this->sqlLog .= $this->connection()->errno . ': ' . $this->error(); | |
| 342 | } | |
| 343 | ||
| 344 | return $result; | |
| 345 | } | |
| 346 | ||
| 347 | /** | |
| 348 | * Sends a parameterized query; `?` placeholders are bound by mysqli. | |
| 349 | * | |
| 350 | * @param array<int, string|int|float|null> $params | |
| 351 | * @throws Exception | |
| 352 | */ | |
| 353 | public function queryPrepared(string $query, array $params): mixed | |
| 354 | { | |
| 355 | $this->sqlLog .= $query; | |
| 356 | ||
| 357 | if (!$this->conn instanceof \mysqli) { | |
| 358 | throw new Exception('No database connection available for query: ' . $query); | |
| 359 | } | |
| 360 | ||
| 361 | try { | |
| 362 | return $this->conn->execute_query($query, $params); | |
| 363 | } catch (mysqli_sql_exception $mysqlisqlexception) { | |
| 364 | throw new Exception($mysqlisqlexception->getMessage()); | |
| 365 | } | |
| 366 | } | |
| 367 | ||
| 368 | /** | |
| 369 | * Returns the number of rows affected by the last INSERT, UPDATE, or DELETE query. | |
| 370 | */ | |
| 371 | public function affectedRows(): int | |
| 372 | { | |
| 373 | $rows = $this->connection()->affected_rows; | |
| 374 | ||
| 375 | return $rows < 0 ? 0 : (int) $rows; | |
| 376 | } | |
| 377 | ||
| 378 | /** | |
| 379 | * Returns the client version string. | |
| 380 | */ | |
| 381 | public function clientVersion(): string | |
| 382 | { | |
| 383 | return mysqli_get_client_info(); | |
| 384 | } | |
| 385 | ||
| 386 | /** | |
| 387 | * Returns the server version string. | |
| 388 | */ | |
| 389 | public function serverVersion(): string | |
| 390 | { | |
| 391 | return $this->connection()->server_info; | |
| 392 | } | |
| 393 | ||
| 394 | /** | |
| 395 | * Closes the connection to the database. | |
| 396 | */ | |
| 397 | public function close(): void | |
| 398 | { | |
| 399 | if ($this->conn instanceof \mysqli) { | |
| 400 | $this->conn->close(); | |
| 401 | $this->conn = null; | |
| 402 | } | |
| 403 | } | |
| 404 | ||
| 405 | public function __destruct() | |
| 406 | { | |
| 407 | $this->close(); | |
| 408 | } | |
| 409 | ||
| 410 | /** | |
| 411 | * Returns the ID of the last inserted row. | |
| 412 | */ | |
| 413 | public function lastInsertId(): int|string | |
| 414 | { | |
| 415 | return (int) $this->connection()->insert_id; | |
| 416 | } | |
| 417 | ||
| 418 | public function now(): string | |
| 419 | { | |
| 420 | return 'NOW()'; | |
| 421 | } | |
| 422 | } |