| 1 |
<?php |
| 2 |
|
| 3 |
namespace WPDataAccess\Query_Builder; |
| 4 |
|
| 5 |
use WPDataAccess\Connection\WPDADB; |
| 6 |
use WPDataAccess\Data_Dictionary\WPDA_Dictionary_Lists; |
| 7 |
use WPDataAccess\WPDA; |
| 8 |
class WPDA_Query_Builder { |
| 9 |
const QUERY_BUILDER_OPTIONS = 'wpda_query_builder'; |
| 10 |
|
| 11 |
const QUERY_BUILDER_HINTS = 'wpda_sql_hints'; |
| 12 |
|
| 13 |
const EXPLAIN_COMMANDS = array( |
| 14 |
'select', |
| 15 |
'delete', |
| 16 |
'insert', |
| 17 |
'replace', |
| 18 |
'update' |
| 19 |
); |
| 20 |
|
| 21 |
const EXPLAIN_PROTECTED = array( |
| 22 |
'delete', |
| 23 |
'insert', |
| 24 |
'replace', |
| 25 |
'update' |
| 26 |
); |
| 27 |
|
| 28 |
protected $databases = array(); |
| 29 |
|
| 30 |
protected $default_database = ''; |
| 31 |
|
| 32 |
protected $wpnonce = ''; |
| 33 |
|
| 34 |
protected $sql_hints = 'off'; |
| 35 |
|
| 36 |
private function wpdatmp_table( |
| 37 |
$wpdadb, |
| 38 |
$sql, |
| 39 |
$data, |
| 40 |
$table_name, |
| 41 |
$var_name |
| 42 |
) { |
| 43 |
// Create temporary table |
| 44 |
$wpdadb->query( str_ireplace( array('CREATE TABLE', $table_name), array('CREATE TEMPORARY TABLE', $var_name), $sql['create_table'] ) ); |
| 45 |
$wpdadb_created = clone $wpdadb; |
| 46 |
// Copy data to temporary table |
| 47 |
foreach ( $data as $resultset ) { |
| 48 |
$column_values = array(); |
| 49 |
foreach ( $resultset as $key => $val ) { |
| 50 |
$column_values[$key] = $val; |
| 51 |
} |
| 52 |
$wpdadb->insert( $var_name, $column_values ); |
| 53 |
} |
| 54 |
return $wpdadb_created; |
| 55 |
} |
| 56 |
|
| 57 |
private function wpdavar_table( $wpdadb, $query, $var_name ) { |
| 58 |
$wpdadb->query( "set sql_quote_show_create = 'ON'" ); |
| 59 |
if ( null === $query['status'] ) { |
| 60 |
return null; |
| 61 |
} |
| 62 |
$explain = $wpdadb->get_results( "explain {$query['status']->last_query}", 'ARRAY_A' ); |
| 63 |
if ( '' !== $wpdadb->last_error ) { |
| 64 |
return null; |
| 65 |
} |
| 66 |
$table_name = $explain[0]['table']; |
| 67 |
$create_table = $wpdadb->get_results( "show create table `{$table_name}`", 'ARRAY_N' ); |
| 68 |
if ( '' !== $wpdadb->last_error ) { |
| 69 |
return null; |
| 70 |
} |
| 71 |
$sql = str_replace( "\n", '', $create_table[0][1] ); |
| 72 |
$pos = stripos( $sql, ') ENGINE=' ); |
| 73 |
$tbl = ( false === $pos ? $sql : substr( $sql, 0, $pos + 1 ) ); |
| 74 |
return array( |
| 75 |
'table_name' => $table_name, |
| 76 |
'create_table' => $tbl, |
| 77 |
'data' => $query['status']->last_result, |
| 78 |
); |
| 79 |
} |
| 80 |
|
| 81 |
public function check_query( $wpda_protect, $wpda_schemaname, $wpda_sqlquery ) { |
| 82 |
$sql_parts = explode( ' ', trim( $wpda_sqlquery ) ); |
| 83 |
// phpcs:ignore -- 8.1 proof |
| 84 |
if ( isset( $sql_parts[0] ) && isset( $sql_parts[2] ) && WPDA::is_wp_table( $sql_parts[2] ) && ('drop' === strtolower( $sql_parts[0] ) || 'alter' === strtolower( $sql_parts[0] ) || 'rename' === strtolower( $sql_parts[0] ) || 'truncate' === strtolower( $sql_parts[0] )) ) { |
| 85 |
return false; |
| 86 |
} |
| 87 |
if ( isset( $sql_parts[0] ) && isset( $sql_parts[1] ) && WPDA::is_wp_table( $sql_parts[1] ) && 'truncate' === strtolower( $sql_parts[0] ) ) { |
| 88 |
return false; |
| 89 |
} |
| 90 |
if ( 'false' !== $wpda_protect && isset( $sql_parts[0] ) && in_array( strtolower( $sql_parts[0] ), self::EXPLAIN_COMMANDS ) ) { |
| 91 |
$wpdadb = WPDADB::get_db_connection( $wpda_schemaname ); |
| 92 |
$suppress = $wpdadb->suppress_errors( true ); |
| 93 |
$explain = $wpdadb->get_results( "explain {$wpda_sqlquery}", 'ARRAY_A' ); |
| 94 |
$wpdadb->suppress_errors( $suppress ); |
| 95 |
foreach ( $explain as $check ) { |
| 96 |
if ( in_array( strtolower( $check['select_type'] ), self::EXPLAIN_PROTECTED ) && WPDA::is_wp_table( $check['table'] ) ) { |
| 97 |
return false; |
| 98 |
} |
| 99 |
} |
| 100 |
} |
| 101 |
return true; |
| 102 |
} |
| 103 |
|
| 104 |
public function get_query_list( $exclude = '', $user_id = null ) { |
| 105 |
$wpda_query_builder_data = get_user_meta( ( null === $user_id ? WPDA::get_current_user_id() : $user_id ), self::QUERY_BUILDER_OPTIONS ); |
| 106 |
if ( is_array( $wpda_query_builder_data ) && count( $wpda_query_builder_data ) > 0 ) { |
| 107 |
// phpcs:ignore -- 8.1 proof |
| 108 |
$queries = $wpda_query_builder_data[0]; |
| 109 |
if ( null !== $exclude && '' !== $exclude ) { |
| 110 |
$exclude_array = explode( ',', $exclude ); |
| 111 |
// phpcs:ignore -- 8.1 proof |
| 112 |
foreach ( $exclude_array as $exclude_item ) { |
| 113 |
unset($queries[$exclude_item]); |
| 114 |
} |
| 115 |
} |
| 116 |
return $queries; |
| 117 |
} else { |
| 118 |
return array(); |
| 119 |
} |
| 120 |
} |
| 121 |
|
| 122 |
public function get_query_list_global( $exclude = '' ) { |
| 123 |
$wpda_query_builder_data = get_option( self::QUERY_BUILDER_OPTIONS ); |
| 124 |
if ( is_array( $wpda_query_builder_data ) && count( $wpda_query_builder_data ) > 0 ) { |
| 125 |
// phpcs:ignore -- 8.1 proof |
| 126 |
$queries = $wpda_query_builder_data; |
| 127 |
if ( null !== $exclude && '' !== $exclude ) { |
| 128 |
$exclude_array = explode( ',', $exclude ); |
| 129 |
// phpcs:ignore -- 8.1 proof |
| 130 |
foreach ( $exclude_array as $exclude_item ) { |
| 131 |
unset($queries[$exclude_item]); |
| 132 |
} |
| 133 |
} |
| 134 |
return $queries; |
| 135 |
} else { |
| 136 |
return array(); |
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
protected function update_query_list( $wpda_query_builder_data ) { |
| 141 |
update_user_meta( WPDA::get_current_user_id(), self::QUERY_BUILDER_OPTIONS, $wpda_query_builder_data ); |
| 142 |
} |
| 143 |
|
| 144 |
protected function update_query_list_global( $wpda_query_builder_data ) { |
| 145 |
update_option( self::QUERY_BUILDER_OPTIONS, $wpda_query_builder_data ); |
| 146 |
} |
| 147 |
|
| 148 |
public function get_query( $query_name, $user_id = null ) { |
| 149 |
if ( null === $user_id ) { |
| 150 |
$wpda_query_builder_data = $this->get_query_list(); |
| 151 |
} else { |
| 152 |
$wpda_query_builder_data = $this->get_query_list( '', $user_id ); |
| 153 |
} |
| 154 |
if ( is_array( $wpda_query_builder_data ) && isset( $wpda_query_builder_data[$query_name] ) ) { |
| 155 |
return $wpda_query_builder_data[$query_name]; |
| 156 |
} else { |
| 157 |
return array(); |
| 158 |
} |
| 159 |
} |
| 160 |
|
| 161 |
public function get_query_global( $query_name ) { |
| 162 |
$wpda_query_builder_data = $this->get_query_list_global(); |
| 163 |
if ( is_array( $wpda_query_builder_data ) && isset( $wpda_query_builder_data[$query_name] ) ) { |
| 164 |
return $wpda_query_builder_data[$query_name]; |
| 165 |
} else { |
| 166 |
return array(); |
| 167 |
} |
| 168 |
} |
| 169 |
|
| 170 |
public function update_query_old( |
| 171 |
$schema_name, |
| 172 |
$query_name, |
| 173 |
$query_sql, |
| 174 |
$query_name_old, |
| 175 |
$wpda_vqb = null, |
| 176 |
$params = null |
| 177 |
) { |
| 178 |
$wpda_query_builder_data = $this->get_query_list(); |
| 179 |
if ( '' !== $query_name_old && $query_name !== $query_name_old ) { |
| 180 |
unset($wpda_query_builder_data[$query_name_old]); |
| 181 |
} |
| 182 |
$wpda_query_builder_data[$query_name] = array( |
| 183 |
'schema_name' => $schema_name, |
| 184 |
'query' => $query_sql, |
| 185 |
'is_visual' => null !== $wpda_vqb, |
| 186 |
'params' => $params, |
| 187 |
); |
| 188 |
$this->update_query_list( $wpda_query_builder_data ); |
| 189 |
} |
| 190 |
|
| 191 |
public function update_query( |
| 192 |
$schema_name, |
| 193 |
$query_name, |
| 194 |
$query_sql, |
| 195 |
$query_name_old, |
| 196 |
$is_visual, |
| 197 |
$vqb, |
| 198 |
$params |
| 199 |
) { |
| 200 |
$wpda_query_builder_data = $this->get_query_list(); |
| 201 |
if ( '' !== $query_name_old && $query_name !== $query_name_old ) { |
| 202 |
unset($wpda_query_builder_data[$query_name_old]); |
| 203 |
} |
| 204 |
$wpda_query_builder_data[$query_name] = array( |
| 205 |
'schema_name' => $schema_name, |
| 206 |
'query' => $query_sql, |
| 207 |
'is_visual' => $is_visual, |
| 208 |
'params' => $params, |
| 209 |
); |
| 210 |
if ( $vqb !== "" ) { |
| 211 |
$wpda_query_builder_data[$query_name]['vqb'] = $vqb; |
| 212 |
} |
| 213 |
$this->update_query_list( $wpda_query_builder_data ); |
| 214 |
} |
| 215 |
|
| 216 |
public function update_query_global( |
| 217 |
$schema_name, |
| 218 |
$query_name, |
| 219 |
$query_sql, |
| 220 |
$query_name_old, |
| 221 |
$is_visual, |
| 222 |
$vqb, |
| 223 |
$params |
| 224 |
) { |
| 225 |
$wpda_query_builder_data = $this->get_query_list_global(); |
| 226 |
if ( '' !== $query_name_old && $query_name !== $query_name_old ) { |
| 227 |
unset($wpda_query_builder_data[$query_name_old]); |
| 228 |
} |
| 229 |
$wpda_query_builder_data[$query_name] = array( |
| 230 |
'schema_name' => $schema_name, |
| 231 |
'query' => $query_sql, |
| 232 |
'is_visual' => $is_visual, |
| 233 |
'params' => $params, |
| 234 |
); |
| 235 |
if ( $vqb !== "" ) { |
| 236 |
$wpda_query_builder_data[$query_name]['vqb'] = $vqb; |
| 237 |
} |
| 238 |
$this->update_query_list_global( $wpda_query_builder_data ); |
| 239 |
} |
| 240 |
|
| 241 |
public function delete_query( $query_name ) { |
| 242 |
$wpda_query_builder_data = $this->get_query_list(); |
| 243 |
unset($wpda_query_builder_data[$query_name]); |
| 244 |
$this->update_query_list( $wpda_query_builder_data ); |
| 245 |
$this->del_visual_query( $query_name ); |
| 246 |
} |
| 247 |
|
| 248 |
public function delete_query_global( $query_name ) { |
| 249 |
$wpda_query_builder_data = $this->get_query_list_global(); |
| 250 |
unset($wpda_query_builder_data[$query_name]); |
| 251 |
$this->update_query_list_global( $wpda_query_builder_data ); |
| 252 |
$this->del_visual_query_global( $query_name ); |
| 253 |
} |
| 254 |
|
| 255 |
public function get_visual_query( $query_name ) { |
| 256 |
return get_user_meta( WPDA::get_current_user_id(), 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ), true ); |
| 257 |
} |
| 258 |
|
| 259 |
public function get_visual_query_global( $query_name ) { |
| 260 |
return get_option( 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ), true ); |
| 261 |
} |
| 262 |
|
| 263 |
public function upd_visual_query( $query_name, $wpda_vqb ) { |
| 264 |
update_user_meta( WPDA::get_current_user_id(), 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ), $wpda_vqb ); |
| 265 |
} |
| 266 |
|
| 267 |
public function upd_visual_query_global( $query_name, $wpda_vqb ) { |
| 268 |
update_option( 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ), $wpda_vqb ); |
| 269 |
} |
| 270 |
|
| 271 |
protected function del_visual_query( $query_name ) { |
| 272 |
delete_user_meta( WPDA::get_current_user_id(), 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ) ); |
| 273 |
} |
| 274 |
|
| 275 |
protected function del_visual_query_global( $query_name ) { |
| 276 |
delete_option( 'wpda_query_builder_' . $this->rewrite_query_name( $query_name ) ); |
| 277 |
} |
| 278 |
|
| 279 |
protected function rewrite_query_name( $query_name ) { |
| 280 |
return str_replace( ' ', '_', $query_name ); |
| 281 |
} |
| 282 |
|
| 283 |
private function substitute_sql_params( $wpdadb, $query, $params ) { |
| 284 |
} |
| 285 |
|
| 286 |
public function execute_query( |
| 287 |
$dbs, |
| 288 |
$query, |
| 289 |
$limit, |
| 290 |
$protect, |
| 291 |
$params |
| 292 |
) { |
| 293 |
$response = array( |
| 294 |
'tabs' => array(), |
| 295 |
'status' => null, |
| 296 |
); |
| 297 |
if ( $this->check_query( $protect, $dbs, $query ) ) { |
| 298 |
// Execute query |
| 299 |
$wpdadb = WPDADB::get_db_connection( $dbs ); |
| 300 |
if ( null !== $wpdadb ) { |
| 301 |
$wpdadb->suppress_errors( true ); |
| 302 |
} |
| 303 |
$sqllines = explode( "\n", $query ); |
| 304 |
// phpcs:ignore -- 8.1 proof |
| 305 |
$sqlcmds = array(); |
| 306 |
$start_i = 0; |
| 307 |
for ($i = 0; $i < count( $sqllines ); $i++) { |
| 308 |
// phpcs:ignore -- 8.1 proof |
| 309 |
if ( '/' === trim( $sqllines[$i] ) ) { |
| 310 |
$sql = ''; |
| 311 |
for ($j = $start_i; $j < $i; $j++) { |
| 312 |
if ( '' !== trim( $sqllines[$j] ) ) { |
| 313 |
$sql .= "{$sqllines[$j]} "; |
| 314 |
} |
| 315 |
} |
| 316 |
$sqlcmds[] = $sql; |
| 317 |
$start_i = $i + 1; |
| 318 |
} |
| 319 |
} |
| 320 |
if ( count( $sqlcmds ) > 0 ) { |
| 321 |
// phpcs:ignore -- 8.1 proof |
| 322 |
$tabs = array(); |
| 323 |
$vars = array(); |
| 324 |
$tmps = array(); |
| 325 |
// Process multiple SQL commands |
| 326 |
for ($i = 0; $i < count( $sqlcmds ); $i++) { |
| 327 |
// phpcs:ignore -- 8.1 proof |
| 328 |
if ( '' !== $limit && 'select' === strtolower( substr( $sqlcmds[$i], 0, 6 ) ) ) { |
| 329 |
$sqlcmds[$i] .= " limit {$limit} "; |
| 330 |
} |
| 331 |
$columns = WPDA::get_columns_from_query( $dbs, $sqlcmds[$i] ); |
| 332 |
// Need to reconnect when switching from local to remote and vice versa |
| 333 |
$reconnected = false; |
| 334 |
if ( 'use' === substr( strtolower( trim( $sqlcmds[$i] ) ), 0, 3 ) ) { |
| 335 |
$use_cmd = explode( ' ', trim( $sqlcmds[$i] ) ); |
| 336 |
// phpcs:ignore -- 8.1 proof |
| 337 |
if ( 2 === count( $use_cmd ) && (strtolower( trim( $use_cmd[1] ) ) !== strtolower( trim( $dbs ) ) && 'rdb:' === substr( strtolower( trim( $use_cmd[1] ) ), 0, 4 ) || 'rdb:' === substr( strtolower( trim( $dbs ) ), 0, 4 )) ) { |
| 338 |
$dbs = $use_cmd[1]; |
| 339 |
$wpdadb = WPDADB::get_db_connection( $dbs ); |
| 340 |
if ( null !== $wpdadb ) { |
| 341 |
$wpdadb->suppress_errors( true ); |
| 342 |
} |
| 343 |
$reconnected = true; |
| 344 |
} |
| 345 |
} |
| 346 |
$exequery = true; |
| 347 |
$var_name = null; |
| 348 |
$wpdadb_saved = null; |
| 349 |
switch ( strtolower( substr( trim( $sqlcmds[$i] ), 0, 7 ) ) ) { |
| 350 |
case 'wpdavar': |
| 351 |
$use_cmd = explode( ' ', trim( $sqlcmds[$i] ) ); |
| 352 |
// phpcs:ignore -- 8.1 proof |
| 353 |
$var_name = ( isset( $use_cmd[1] ) ? $use_cmd[1] : null ); |
| 354 |
if ( $var_name !== null ) { |
| 355 |
$vars[$var_name] = $tabs; |
| 356 |
$tmps[$var_name] = $this->wpdavar_table( $wpdadb, $tabs[$i - 1], $var_name ); |
| 357 |
$exequery = false; |
| 358 |
} |
| 359 |
break; |
| 360 |
case 'wpdatmp': |
| 361 |
$use_cmd = explode( ' ', trim( $sqlcmds[$i] ) ); |
| 362 |
$var_name = ( isset( $use_cmd[1] ) ? $use_cmd[1] : null ); |
| 363 |
if ( $var_name !== null ) { |
| 364 |
$wpdadb_saved = $this->wpdatmp_table( |
| 365 |
$wpdadb, |
| 366 |
$tmps[$var_name], |
| 367 |
$tmps[$var_name]['data'], |
| 368 |
$tmps[$var_name]['table_name'], |
| 369 |
$var_name |
| 370 |
); |
| 371 |
$exequery = false; |
| 372 |
} |
| 373 |
$var_name = null; |
| 374 |
// reset |
| 375 |
break; |
| 376 |
} |
| 377 |
if ( !$reconnected && $exequery && null !== $wpdadb ) { |
| 378 |
$wpdadb->query( $sqlcmds[$i] ); |
| 379 |
} |
| 380 |
if ( null === $var_name ) { |
| 381 |
$status = ( null !== $wpdadb_saved ? $wpdadb_saved : (( null !== $wpdadb ? clone $wpdadb : null )) ); |
| 382 |
$tabs[] = array( |
| 383 |
'cmd' => $sqlcmds[$i], |
| 384 |
'status' => $status, |
| 385 |
'columns' => $columns, |
| 386 |
); |
| 387 |
} else { |
| 388 |
$tabs[] = array( |
| 389 |
'cmd' => $sqlcmds[$i], |
| 390 |
'status' => ( isset( $vars[$var_name]['status'] ) ? $vars[$var_name]['status'] : null ), |
| 391 |
'wpdavar' => ( isset( $tmps[$var_name] ) ? $tmps[$var_name] : null ), |
| 392 |
'columns' => null, |
| 393 |
); |
| 394 |
} |
| 395 |
if ( null === $wpdadb || '' !== $wpdadb->last_error ) { |
| 396 |
break; |
| 397 |
} |
| 398 |
} |
| 399 |
$response['tabs'] = $tabs; |
| 400 |
} else { |
| 401 |
$response['columns'] = WPDA::get_columns_from_query( $dbs, $query ); |
| 402 |
// Process single SQL command |
| 403 |
if ( '' !== $limit && 'select' === strtolower( substr( $query, 0, 6 ) ) ) { |
| 404 |
$query .= " limit {$limit} "; |
| 405 |
} |
| 406 |
if ( null !== $wpdadb ) { |
| 407 |
$wpdadb->query( $query ); |
| 408 |
} |
| 409 |
$response['cmd'] = $query; |
| 410 |
$response['status'] = clone $wpdadb; |
| 411 |
} |
| 412 |
} else { |
| 413 |
$response['status'] = '<strong>WP Data Access error:</strong> Query not allowed - WordPress tables are protected'; |
| 414 |
} |
| 415 |
return $response; |
| 416 |
} |
| 417 |
|
| 418 |
public function add_query( $query_name, $query ) { |
| 419 |
$wpda_query_builder_data = $this->get_query_list(); |
| 420 |
$wpda_query_builder_data[$query_name] = $query; |
| 421 |
$this->update_query_list( $wpda_query_builder_data ); |
| 422 |
} |
| 423 |
|
| 424 |
public function add_query_global( $query_name, $query ) { |
| 425 |
$wpda_query_builder_data = $this->get_query_list_global(); |
| 426 |
$wpda_query_builder_data[$query_name] = $query; |
| 427 |
$this->update_query_list_global( $wpda_query_builder_data ); |
| 428 |
} |
| 429 |
|
| 430 |
public function get_hints( $dbs ) { |
| 431 |
$tables = WPDA_Dictionary_Lists::get_tables( true, $dbs ); |
| 432 |
$hints = array(); |
| 433 |
foreach ( $tables as $table ) { |
| 434 |
$columns = WPDA_Dictionary_Lists::get_table_columns( $table['table_name'], $dbs ); |
| 435 |
$hint_cols = array(); |
| 436 |
foreach ( $columns as $column ) { |
| 437 |
$hint_cols[] = $column['column_name']; |
| 438 |
} |
| 439 |
$hints[$table['table_name']] = $hint_cols; |
| 440 |
} |
| 441 |
return $hints; |
| 442 |
} |
| 443 |
|
| 444 |
} |
| 445 |
|
