| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Suppress "error - 0 - No summary was found for this file" on phpdoc generation |
| 5 |
* |
| 6 |
* @package WPDataAccess\Utilities |
| 7 |
*/ |
| 8 |
|
| 9 |
namespace WPDataAccess\Utilities { |
| 10 |
|
| 11 |
use http\Encoding\Stream; |
| 12 |
use WPDataAccess\Connection\WPDADB; |
| 13 |
use WPDataAccess\Data_Dictionary\WPDA_Dictionary_Exist; |
| 14 |
use WPDataAccess\Data_Dictionary\WPDA_List_Columns_Cache; |
| 15 |
use WPDataAccess\Plugin_Table_Models\WPDA_Publisher_Model; |
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use WPDataAccess\Plugin_Table_Models\WPDA_Table_Settings_Model; |
| 17 |
use WPDataAccess\WPDA; |
| 18 |
|
| 19 |
/** |
| 20 |
* Class WPDA_Export_Sql |
| 21 |
* |
| 22 |
* Exports tables or rows (depending on arguments) |
| 23 |
* |
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* + Table export |
| 25 |
* + One or more tables (batch) |
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* + Contains a create table statements for every tables exported |
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* + All records of a tables are exported as one insert statement |
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* + Contains comments (no reimport without editing possible) |
| 29 |
* + Row export |
| 30 |
* + All records are exported as one insert statement |
| 31 |
* + Contains no comments (can be reimported without editing) |
| 32 |
* |
| 33 |
* @author Peter Schulz |
| 34 |
* @since 1.0.0 |
| 35 |
*/ |
| 36 |
class WPDA_Export_Sql { |
| 37 |
|
| 38 |
/** |
| 39 |
* Database schema name |
| 40 |
* |
| 41 |
* @var string |
| 42 |
*/ |
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protected $schema_name = ''; |
| 44 |
|
| 45 |
/** |
| 46 |
* Database schema name prefix used in strings |
| 47 |
* |
| 48 |
* @var string |
| 49 |
*/ |
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protected $schema_name_prefix = ''; |
| 51 |
|
| 52 |
/** |
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* Table name(s) of table(s) to be exported |
| 54 |
* |
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* @var string|array |
| 56 |
*/ |
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protected $table_list = array(); |
| 58 |
|
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/** |
| 60 |
* Indicates whether to set MySQL environment |
| 61 |
* |
| 62 |
* @var string 'on' or 'off' |
| 63 |
*/ |
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protected $mysql_set; |
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|
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/** |
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* Indicates whether comments should be added |
| 68 |
* |
| 69 |
* @var string 'on' or 'off' |
| 70 |
*/ |
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protected $show_comments; |
| 72 |
|
| 73 |
/** |
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* Indicates whether to add a create table |
| 75 |
* |
| 76 |
* @var string 'on' or 'off' |
| 77 |
*/ |
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protected $show_create; |
| 79 |
|
| 80 |
/** |
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* Indicates whether table settings should be exported |
| 82 |
* |
| 83 |
* @var string 'on' or 'off' |
| 84 |
*/ |
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protected $include_table_settings; |
| 86 |
|
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/** |
| 88 |
* Use variable to write output |
| 89 |
* |
| 90 |
* @var string |
| 91 |
*/ |
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protected $output_string; |
| 93 |
|
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/** |
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* Write output to stream if available |
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* |
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* @var null |
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*/ |
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protected $output_stream = null; |
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|
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protected $export_with_prefix = false; |
| 102 |
|
| 103 |
/** |
| 104 |
* WPDA_Export constructor. |
| 105 |
* |
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* Make sure the export procedure has sufficient memory. |
| 107 |
* |
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* @since 2.0.11 |
| 109 |
*/ |
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public function __construct() { |
| 111 |
if ( defined( 'WP_MAX_MEMORY_LIMIT' ) ) { |
| 112 |
$wp_memory_limit = WP_MAX_MEMORY_LIMIT; |
| 113 |
$current_memory_limit = @ini_get( 'memory_limit' ); |
| 114 |
if ( false === $current_memory_limit || |
| 115 |
WPDA::convert_memory_to_decimal( $current_memory_limit ) < WPDA::convert_memory_to_decimal( $wp_memory_limit ) |
| 116 |
) { |
| 117 |
@ini_set( 'memory_limit', $wp_memory_limit ); |
| 118 |
} |
| 119 |
} |
| 120 |
|
| 121 |
$this->export_with_prefix = 'on' === WPDA::get_option( WPDA::OPTION_BE_EXPORT_VARIABLE_PREFIX ); |
| 122 |
} |
| 123 |
|
| 124 |
/** |
| 125 |
* Use this method to startan export using method arguments |
| 126 |
* |
| 127 |
* @param string $mysql_set on|off |
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* @param string $show_comments on|off |
| 129 |
* @param string $show_create on|off |
| 130 |
* @param string $schema_name Database schema name |
| 131 |
* @param string|array $table_names Single table name (string) | Table name list (array) |
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* @param string $export_type table|row |
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* @param string $include_table_settings on|off |
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* |
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* @since 2.0.7 |
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*/ |
| 137 |
public function export_with_arguments( |
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$mysql_set, |
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$show_comments, |
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$show_create, |
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$schema_name, |
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$table_names, |
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$export_type, |
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$include_table_settings = 'on' |
| 145 |
) { |
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$this->mysql_set = 'on' === $mysql_set ? 'on' : 'off'; |
| 147 |
$this->show_comments = 'on' === $show_comments ? 'on' : 'off'; |
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$this->show_create = 'on' === $show_create ? 'on' : 'off'; |
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$this->include_table_settings = 'on' === $include_table_settings ? 'on' : 'off'; |
| 150 |
|
| 151 |
if ( '' !== $schema_name ) { |
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$wpdadb = WPDADB::get_db_connection( $schema_name ); |
| 153 |
if ( null === $wpdadb ) { |
| 154 |
die( sprintf( __( 'ERROR - Remote database %s not available', 'wp-data-access' ), esc_attr( $this->schema_name ) ) ); |
| 155 |
} |
| 156 |
|
| 157 |
$this->schema_name = $schema_name; |
| 158 |
$this->schema_name_prefix = "`{$wpdadb->dbname}`."; |
| 159 |
} |
| 160 |
|
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$this->table_list = $table_names; |
| 162 |
|
| 163 |
if ( 'table' === $export_type ) { |
| 164 |
// Table export. |
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$this->export_tables(); |
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} else { |
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// Row export. |
| 168 |
if ( is_array( $this->table_list ) ) { |
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// For row exports a single table name must be supplied as a string. |
| 170 |
$this->wrong_arguments(); |
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} else { |
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$this->export_rows(); |
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} |
| 174 |
} |
| 175 |
} |
| 176 |
|
| 177 |
/** |
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* Main method to start export |
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* |
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* This method checks arguments and starts the export according to the arguments provided. |
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* |
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* @since 1.0.0 |
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*/ |
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public function export() { |
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// Check if export is allowed. |
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$table_names = isset( $_REQUEST['table_names'] ) ? |
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json_encode( WPDA::sanitize_text_field_array( $_REQUEST['table_names'] ) ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
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$wp_nonce = isset( $_REQUEST['_wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['_wpnonce'] ) ) : '?'; // input var okay. |
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if ( |
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! wp_verify_nonce( $wp_nonce, "wpda-export-{$table_names}" ) && |
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! wp_verify_nonce( $wp_nonce, 'wpda-export-' . WPDA::get_current_user_login() ) |
| 192 |
) { |
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wp_die(); |
| 194 |
} |
| 195 |
|
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// Get arguments. |
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$this->mysql_set = isset( $_REQUEST['mysql_set'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['mysql_set'] ) ) : 'on'; // input var okay. |
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$this->show_comments = isset( $_REQUEST['show_comments'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['show_comments'] ) ) : 'on'; // input var okay. |
| 199 |
$this->show_create = isset( $_REQUEST['show_create'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['show_create'] ) ) : 'on'; // input var okay. |
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$this->include_table_settings = isset( $_REQUEST['include_table_settings'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['include_table_settings'] ) ) : 'off'; // input var okay. |
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$pub_id = isset( $_REQUEST['pub_id'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['pub_id'] ) ) : ''; // input var okay. |
| 202 |
|
| 203 |
if ( isset( $_REQUEST['wpdaschema_name'] ) ) { |
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$this->schema_name = sanitize_text_field( wp_unslash( $_REQUEST['wpdaschema_name'] ) ); // input var okay. |
| 205 |
} elseif ( '' !== $pub_id ) { |
| 206 |
// Get schema name from publication |
| 207 |
$publication = WPDA_Publisher_Model::get_publication( $pub_id ); |
| 208 |
if ( false === $publication ) { |
| 209 |
wp_die(); |
| 210 |
} |
| 211 |
$this->schema_name = $publication[0]['pub_schema_name']; |
| 212 |
} |
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|
| 214 |
if ( '' !== $this->schema_name ) { |
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$wpdadb = WPDADB::get_db_connection( $this->schema_name ); |
| 216 |
if ( null === $wpdadb ) { |
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wp_die(); |
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} |
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$this->schema_name_prefix = "`{$wpdadb->dbname}`."; |
| 220 |
} |
| 221 |
|
| 222 |
if ( isset( $_REQUEST['type'] ) && isset( $_REQUEST['table_names'] ) ) { // input var okay. |
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// Get table_name(s) from URL. Type is string for single table export and array for multi table export. |
| 224 |
// Row export implies single table export. |
| 225 |
$this->table_list = WPDA::sanitize_text_field_array( $_REQUEST['table_names'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 226 |
|
| 227 |
if ( 'table' === sanitize_text_field( wp_unslash( $_REQUEST['type'] ) ) ) { // input var okay. |
| 228 |
// Table export. |
| 229 |
$this->export_tables(); |
| 230 |
} else { |
| 231 |
// Row export. |
| 232 |
if ( is_array( $this->table_list ) ) { |
| 233 |
// For row exports a single table name must be supplied as a string. |
| 234 |
$this->wrong_arguments(); |
| 235 |
} else { |
| 236 |
$this->export_rows(); |
| 237 |
} |
| 238 |
} |
| 239 |
} else { |
| 240 |
$this->wrong_arguments(); |
| 241 |
} |
| 242 |
|
| 243 |
if ( '' !== $pub_id ) { |
| 244 |
wp_die(); |
| 245 |
} |
| 246 |
} |
| 247 |
|
| 248 |
/** |
| 249 |
* A table export was requested |
| 250 |
* |
| 251 |
* @since 1.0.0 |
| 252 |
*/ |
| 253 |
protected function export_tables() { |
| 254 |
if ( is_array( $this->table_list ) ) { |
| 255 |
// Multiple table export. |
| 256 |
$this->header( 'export' ); |
| 257 |
$this->db_begin(); |
| 258 |
|
| 259 |
foreach ( $this->table_list as $table_name ) { |
| 260 |
// Check if table exists to prevent SQL injection. |
| 261 |
$wpda_dictionary_exists = new WPDA_Dictionary_Exist( $this->schema_name, $table_name ); |
| 262 |
if ( ! $wpda_dictionary_exists->table_exists() ) { |
| 263 |
wp_die(); |
| 264 |
} |
| 265 |
|
| 266 |
$this->create_table( $table_name ); |
| 267 |
$this->insert_rows( $table_name ); |
| 268 |
} |
| 269 |
|
| 270 |
$this->db_end(); |
| 271 |
} else { |
| 272 |
// Single table export. |
| 273 |
$table_name = $this->table_list; |
| 274 |
|
| 275 |
// Check if table exists to prevent SQL injection. |
| 276 |
$wpda_dictionary_exists = new WPDA_Dictionary_Exist( $this->schema_name, $table_name ); |
| 277 |
if ( ! $wpda_dictionary_exists->table_exists() ) { |
| 278 |
wp_die(); |
| 279 |
} |
| 280 |
|
| 281 |
$this->header( $table_name ); |
| 282 |
$this->db_begin(); |
| 283 |
|
| 284 |
$this->create_table( $table_name ); |
| 285 |
$this->insert_rows( $table_name ); |
| 286 |
|
| 287 |
$this->db_end(); |
| 288 |
} |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* Set export header (filename) |
| 293 |
* |
| 294 |
* @param string $file_name Export filename. |
| 295 |
* |
| 296 |
* @since 1.0.0 |
| 297 |
*/ |
| 298 |
protected function header( $file_name ) { |
| 299 |
if ( null === $this->output_stream ) { |
| 300 |
WPDA::sent_header( 'text/plain; charset=utf-8', null, "wpda_{$file_name}.sql" ); |
| 301 |
} |
| 302 |
} |
| 303 |
|
| 304 |
/** |
| 305 |
* Set MySQL environment |
| 306 |
* |
| 307 |
* @since 1.0.0 |
| 308 |
*/ |
| 309 |
protected function db_begin() { |
| 310 |
if ( 'off' === $this->mysql_set ) { |
| 311 |
return; |
| 312 |
} |
| 313 |
|
| 314 |
$wpdadb = WPDADB::get_db_connection( $this->schema_name ); |
| 315 |
if ( null === $wpdadb ) { |
| 316 |
wp_die(); |
| 317 |
} |
| 318 |
|
| 319 |
$this->output_string = ''; |
| 320 |
|
| 321 |
$this->output_string .= "/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;\n"; |
| 322 |
$this->output_string .= "/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;\n"; |
| 323 |
$this->output_string .= "/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;\n"; |
| 324 |
$this->output_string .= '/*!40101 SET NAMES ' . esc_attr( $wpdadb->charset ) . " */;\n\n"; |
| 325 |
|
| 326 |
$this->write_output(); |
| 327 |
} |
| 328 |
|
| 329 |
/** |
| 330 |
* Write create table statement |
| 331 |
* |
| 332 |
* @param string $table_name Database table name. |
| 333 |
* |
| 334 |
* @return boolean Indicates whether table exists for further processing. |
| 335 |
* @since 1.0.0 |
| 336 |
*/ |
| 337 |
protected function create_table( $table_name ) { |
| 338 |
global $wpdb; |
| 339 |
$wpdadb = WPDADB::get_db_connection( $this->schema_name ); |
| 340 |
if ( null === $wpdadb ) { |
| 341 |
wp_die(); |
| 342 |
} |
| 343 |
|
| 344 |
$save_suppress_errors = $wpdadb->suppress_errors; |
| 345 |
$wpdadb->suppress_errors = true; |
| 346 |
|
| 347 |
if ( 'off' !== $this->show_create ) { |
| 348 |
$engine = WPDA::get_table_engine( $this->schema_name, $table_name ); |
| 349 |
if ( 'connect' === strtolower( $engine ) ) { |
| 350 |
// Remove table options for CONNECT tables |
| 351 |
// NO_TABLE_OPTIONS is deprecated in V8 |
| 352 |
// $wpdadb->query( "SET sql_mode = 'NO_TABLE_OPTIONS'" ); |
| 353 |
} |
| 354 |
$query = "show create table {$this->schema_name_prefix}`" . str_replace( '`', '', (string) $table_name ) . '`'; |
| 355 |
$ctcmd = $wpdadb->get_results( $query, 'ARRAY_A' ); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 356 |
} |
| 357 |
|
| 358 |
$this->output_string = ''; |
| 359 |
if ( $wpdadb->num_rows > 0 ) { |
| 360 |
if ( 'off' !== $this->show_comments ) { |
| 361 |
$this->output_string .= "--\n"; |
| 362 |
if ( |
| 363 |
$this->export_with_prefix && |
| 364 |
$wpdb->dbname === $this->schema_name && |
| 365 |
( WPDA::is_wp_table( $table_name ) || WPDA::is_wpda_table( $table_name ) ) |
| 366 |
) { |
| 367 |
$this->output_string .= '-- Create table `{wp_prefix}' . esc_attr( substr( $table_name, strlen( $wpdb->prefix ) ) ) . "`\n"; |
| 368 |
} else { |
| 369 |
$this->output_string .= '-- Create table `' . esc_attr( $table_name ) . "`\n"; |
| 370 |
} |
| 371 |
$this->output_string .= "--\n"; |
| 372 |
} |
| 373 |
|
| 374 |
if ( 'off' !== $this->show_create ) { |
| 375 |
$create_table_statement = $ctcmd[0]['Create Table']; |
| 376 |
if ( |
| 377 |
$this->export_with_prefix && |
| 378 |
$wpdb->dbname === $this->schema_name && |
| 379 |
( WPDA::is_wp_table( $table_name ) || WPDA::is_wpda_table( $table_name ) ) |
| 380 |
) { |
| 381 |
$table_name_position = stripos( $create_table_statement, $table_name ); |
| 382 |
if ( $table_name_position > 0 ) { |
| 383 |
$create_table_statement_saved = $create_table_statement; |
| 384 |
$create_table_statement = substr( $create_table_statement, 0, $table_name_position ); |
| 385 |
$create_table_statement .= '{wp_prefix}' . esc_attr( substr( $table_name, strlen( $wpdb->prefix ) ) ); |
| 386 |
$create_table_statement .= substr( $create_table_statement_saved, $table_name_position + strlen( $table_name ) ); |
| 387 |
} |
| 388 |
} |
| 389 |
$this->output_string .= wp_kses_data( $create_table_statement ) . ";\n\n"; |
| 390 |
} |
| 391 |
|
| 392 |
$table_exists = true; |
| 393 |
} else { |
| 394 |
if ( 'off' !== $this->show_comments ) { |
| 395 |
$this->output_string .= "--\n"; |
| 396 |
$this->output_string .= '-- Table `' . esc_attr( $table_name ) . "` found\n"; |
| 397 |
$this->output_string .= "--\n\n"; |
| 398 |
} |
| 399 |
|
| 400 |
$table_exists = false; |
| 401 |
} |
| 402 |
|
| 403 |
$this->write_output(); |
| 404 |
|
| 405 |
$wpdadb->suppress_errors = $save_suppress_errors; |
| 406 |
|
| 407 |
return $table_exists; |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* Write insert into statement |
| 412 |
* |
| 413 |
* @param string $table_name Database table name. |
| 414 |
* @param string $where Where clause. |
| 415 |
* @param boolean $show_comments Argument is needed for direct call from WPDA_Repository! (do not remove). |
| 416 |
* |
| 417 |
* @since 1.0.0 |
| 418 |
*/ |
| 419 |
public function insert_rows( $table_name, $where = '', $show_comments = true ) { |
| 420 |
$wpdadb = WPDADB::get_db_connection( $this->schema_name ); |
| 421 |
if ( null === $wpdadb ) { |
| 422 |
wp_die(); |
| 423 |
} |
| 424 |
|
| 425 |
$save_suppress_errors = $wpdadb->suppress_errors; |
| 426 |
$wpdadb->suppress_errors = true; |
| 427 |
|
| 428 |
$settings_db = WPDA_Table_Settings_Model::query( $table_name, $this->schema_name ); |
| 429 |
if ( isset( $settings_db[0]['wpda_table_settings'] ) ) { |
| 430 |
$settings_db_custom = json_decode( $settings_db[0]['wpda_table_settings'] ); |
| 431 |
if ( isset( $settings_db_custom->table_settings->query_buffer_size ) ) { |
| 432 |
$query_buffer_size = $settings_db_custom->table_settings->query_buffer_size; |
| 433 |
} else { |
| 434 |
$query_buffer_size = 0; |
| 435 |
} |
| 436 |
} else { |
| 437 |
$query_buffer_size = 0; |
| 438 |
} |
| 439 |
|
| 440 |
$this->output_string = ''; |
| 441 |
|
| 442 |
$query = "select * from {$this->schema_name_prefix}`" . str_replace( '`', '', (string) $table_name ) . "` $where"; |
| 443 |
if ( is_numeric( $query_buffer_size ) && $query_buffer_size > 0 ) { |
| 444 |
set_time_limit(0); |
| 445 |
$i = 0; |
| 446 |
$sql = $query . ' limit ' . $query_buffer_size; |
| 447 |
$rows = $wpdadb->get_results( $sql, 'ARRAY_A' ); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 448 |
while ( $wpdadb->num_rows > 0 ) { |
| 449 |
$this->insert_rows_buffer( $rows, $table_name, $where, $show_comments ); |
| 450 |
|
| 451 |
$i++; |
| 452 |
$sql = $query . ' limit ' . $query_buffer_size . ' offset ' . ( $i * $query_buffer_size ); |
| 453 |
$rows = $wpdadb->get_results( $sql, 'ARRAY_A' ); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 454 |
} |
| 455 |
|
| 456 |
if ( 1 === $i && 0 == $wpdadb->num_rows ) { |
| 457 |
$this->empty_table( $table_name, $show_comments ); |
| 458 |
} |
| 459 |
} else { |
| 460 |
$rows = $wpdadb->get_results( $query, 'ARRAY_A' ); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 461 |
|
| 462 |
if ( $wpdadb->num_rows > 0 ) { |
| 463 |
$this->insert_rows_buffer( $rows, $table_name, $where, $show_comments ); |
| 464 |
} else { |
| 465 |
$this->empty_table( $table_name, $show_comments ); |
| 466 |
} |
| 467 |
} |
| 468 |
|
| 469 |
if ( 'on' === $this->include_table_settings ) { |
| 470 |
// Export table settings |
| 471 |
$this->export_table_settings( $table_name, $show_comments ); |
| 472 |
} |
| 473 |
|
| 474 |
$this->write_output(); |
| 475 |
|
| 476 |
$wpdadb->suppress_errors = $save_suppress_errors; |
| 477 |
} |
| 478 |
|
| 479 |
private function empty_table( $table_name, $show_comments ) { |
| 480 |
// Empty table, nothing to export. |
| 481 |
if ( $show_comments && 'off' !== $this->show_comments ) { |
| 482 |
$this->output_string .= "--\n"; |
| 483 |
$this->output_string .= '-- No rows to export from empty table `' . esc_attr( $table_name ) . "`\n"; |
| 484 |
$this->output_string .= "--\n\n"; |
| 485 |
} |
| 486 |
} |
| 487 |
|
| 488 |
/** |
| 489 |
* Write insert into statements for buffered rows |
| 490 |
* |
| 491 |
* @param array $rows Buffered rows |
| 492 |
* @param string $table_name Database table name. |
| 493 |
* @param string $where Where clause. |
| 494 |
* @param boolean $show_comments Argument is needed for direct call from WPDA_Repository! (do not remove). |
| 495 |
* |
| 496 |
* @since 1.0.0 |
| 497 |
*/ |
| 498 |
private function insert_rows_buffer( $rows, $table_name, $where, $show_comments ) { |
| 499 |
global $wpdb; |
| 500 |
|
| 501 |
$this->output_string = ''; |
| 502 |
|
| 503 |
// Prepare row export: get column names and data types. |
| 504 |
$wpda_list_columns = WPDA_List_Columns_Cache::get_list_columns( $this->schema_name, $table_name ); |
| 505 |
$table_columns = $wpda_list_columns->get_table_columns(); |
| 506 |
|
| 507 |
// Create array for fast column_name based access. |
| 508 |
$column_data_types = $this->column_data_types( $table_columns ); |
| 509 |
|
| 510 |
// Exports rows. |
| 511 |
if ( $show_comments && 'off' !== $this->show_comments ) { |
| 512 |
$this->output_string .= "--\n"; |
| 513 |
if ( |
| 514 |
$this->export_with_prefix && |
| 515 |
$wpdb->dbname === $this->schema_name && |
| 516 |
( WPDA::is_wp_table( $table_name ) || WPDA::is_wpda_table( $table_name ) ) |
| 517 |
) { |
| 518 |
$this->output_string .= '-- Export table `{wp_prefix}' . esc_attr( substr( $table_name, strlen( $wpdb->prefix ) ) ) . "`\n"; |
| 519 |
} else { |
| 520 |
$this->output_string .= '-- Export table `' . esc_attr( $table_name ) . "`\n"; |
| 521 |
} |
| 522 |
$this->output_string .= "--\n"; |
| 523 |
} |
| 524 |
|
| 525 |
if ( ( $show_comments && '' !== $where ) && 'off' !== $this->show_comments ) { |
| 526 |
$this->output_string .= '-- Condition: `' . esc_attr( $where ) . "`\n"; |
| 527 |
$this->output_string .= "--\n"; |
| 528 |
} |
| 529 |
|
| 530 |
$this->write_output(); |
| 531 |
|
| 532 |
if ( |
| 533 |
$this->export_with_prefix && |
| 534 |
( $wpdb->dbname === $this->schema_name || '' === $this->schema_name ) && |
| 535 |
( WPDA::is_wp_table( $table_name ) || WPDA::is_wpda_table( $table_name ) ) |
| 536 |
) { |
| 537 |
$insert_statement = 'INSERT INTO `{wp_prefix}' . esc_attr( substr( str_replace( '`', '', (string) $table_name ), strlen( $wpdb->prefix ) ) ) . '` '; |
| 538 |
} else { |
| 539 |
$insert_statement = 'INSERT INTO `' . esc_attr( str_replace( '`', '', (string) $table_name ) ) . '` '; |
| 540 |
} |
| 541 |
|
| 542 |
$process_first_row = true; |
| 543 |
foreach ( $rows[0] as $column_name => $column_value ) { |
| 544 |
if ( |
| 545 |
! ( |
| 546 |
WPDA::is_wpda_table( $table_name ) && |
| 547 |
( |
| 548 |
'pub_id' === $column_name || |
| 549 |
'csv_id' === $column_name || |
| 550 |
'menu_id' === $column_name || |
| 551 |
'report_id' === $column_name |
| 552 |
) |
| 553 |
) |
| 554 |
) { |
| 555 |
$insert_statement .= $process_first_row ? '(' : ', '; |
| 556 |
$insert_statement .= '`' . esc_attr( str_replace( '`', '', (string) $column_name ) ) . '`'; |
| 557 |
|
| 558 |
$process_first_row = false; |
| 559 |
} |
| 560 |
} |
| 561 |
|
| 562 |
$insert_statement .= ') VALUES '; |
| 563 |
|
| 564 |
foreach ( $rows as $row ) { |
| 565 |
$this->output_string .= $insert_statement . '('; |
| 566 |
|
| 567 |
$keys = array_keys( $row );//phpcs:ignore - 8.1 proof |
| 568 |
$last_column = end( $keys );//phpcs:ignore - 8.1 proof |
| 569 |
foreach ( $row as $column_name => $column_value ) { |
| 570 |
if ( |
| 571 |
! ( |
| 572 |
WPDA::is_wpda_table( $table_name ) && |
| 573 |
( |
| 574 |
'pub_id' === $column_name || |
| 575 |
'csv_id' === $column_name || |
| 576 |
'menu_id' === $column_name || |
| 577 |
'report_id' === $column_name |
| 578 |
) |
| 579 |
) |
| 580 |
) { |
| 581 |
if ( $this->is_numeric( $column_data_types[ $column_name ] ) ) { |
| 582 |
if ( is_null( $column_value ) ) { |
| 583 |
$this->output_string .= 'null'; |
| 584 |
} else { |
| 585 |
$this->output_string .= esc_attr( $column_value ); |
| 586 |
} |
| 587 |
} else { |
| 588 |
if ( |
| 589 |
WPDA::column_is_schema_name( $table_name, $column_name ) && |
| 590 |
( '' === $column_value || $wpdb->dbname === $column_value ) |
| 591 |
) { |
| 592 |
$this->output_string .= "'{wp_schema}'"; |
| 593 |
} else { |
| 594 |
if ( is_null( $column_value ) ) { |
| 595 |
$this->output_string .= 'null'; |
| 596 |
} else { |
| 597 |
$this->output_string .= "'" . esc_sql( $column_value ) . "'"; |
| 598 |
} |
| 599 |
} |
| 600 |
} |
| 601 |
if ( $column_name !== $last_column ) { |
| 602 |
$this->output_string .= ','; |
| 603 |
} |
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
$this->output_string .= ");\n"; |
| 608 |
|
| 609 |
$this->write_output(); |
| 610 |
} |
| 611 |
|
| 612 |
if ( 'off' !== $this->show_comments ) { |
| 613 |
$this->output_string .= "\n"; |
| 614 |
} |
| 615 |
} |
| 616 |
|
| 617 |
/** |
| 618 |
* Export table settings |
| 619 |
* |
| 620 |
* @param $table_name Table for which settings will be exported |
| 621 |
* @param boolean $show_comments Argument is needed for direct call from WPDA_Repository! (do not remove). |
| 622 |
* |
| 623 |
* @since 2.6.1 |
| 624 |
*/ |
| 625 |
protected function export_table_settings( $table_name, $show_comments = true ) { |
| 626 |
global $wpdb; |
| 627 |
|
| 628 |
if ( $show_comments && 'off' !== $this->show_comments ) { |
| 629 |
$this->output_string .= "--\n"; |
| 630 |
$this->output_string .= '-- Export table settings for table `' . esc_attr( $table_name ) . "`\n"; |
| 631 |
$this->output_string .= "--\n"; |
| 632 |
} |
| 633 |
|
| 634 |
if ( '' === $this->schema_name || $wpdb->dbname === $this->schema_name ) { |
| 635 |
$schema_name = '{wp_schema}'; |
| 636 |
} else { |
| 637 |
$schema_name = $this->schema_name; |
| 638 |
} |
| 639 |
|
| 640 |
if ( 'on' === $this->include_table_settings ) { |
| 641 |
// Export column labels |
| 642 |
$rows = $wpdb->get_results( |
| 643 |
$wpdb->prepare( |
| 644 |
"select * from {$wpdb->prefix}wpda_table_settings where wpda_table_name = %s", |
| 645 |
array( |
| 646 |
$table_name, |
| 647 |
) |
| 648 |
), |
| 649 |
'ARRAY_A' |
| 650 |
); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 651 |
if ( 1 === $wpdb->num_rows ) { |
| 652 |
$this->output_string .= |
| 653 |
'DELETE FROM `{wp_prefix}wpda_table_settings` ' . |
| 654 |
"WHERE `wpda_table_name` = '" . esc_attr( $table_name ) . "';"; |
| 655 |
$this->output_string .= "\n"; |
| 656 |
$this->output_string .= |
| 657 |
'INSERT INTO `{wp_prefix}wpda_table_settings` ' . |
| 658 |
'(`wpda_schema_name`, `wpda_table_name`, `wpda_table_settings`) ' . |
| 659 |
'VALUES ' . |
| 660 |
"('" . esc_sql( $schema_name ) . "', '" . esc_sql( $table_name ) . "', '" . |
| 661 |
esc_sql( $rows[0]['wpda_table_settings'] ) . "');"; |
| 662 |
$this->output_string .= "\n"; |
| 663 |
} |
| 664 |
|
| 665 |
// Export media columns |
| 666 |
$rows = $wpdb->get_results( |
| 667 |
$wpdb->prepare( |
| 668 |
"select * from {$wpdb->prefix}wpda_media where media_table_name = %s", |
| 669 |
array( |
| 670 |
$table_name, |
| 671 |
) |
| 672 |
), |
| 673 |
'ARRAY_A' |
| 674 |
); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 675 |
$this->output_string .= |
| 676 |
'DELETE FROM `{wp_prefix}wpda_media` ' . |
| 677 |
"WHERE `media_table_name` = '" . esc_attr( $table_name ) . "';"; |
| 678 |
$this->output_string .= "\n"; |
| 679 |
foreach ( $rows as $row ) { |
| 680 |
$this->output_string .= |
| 681 |
'INSERT INTO `{wp_prefix}wpda_media` ' . |
| 682 |
'(`media_schema_name`, `media_table_name`, `media_column_name`, `media_type`, `media_activated`) ' . |
| 683 |
'VALUES ' . |
| 684 |
"('" . esc_sql( $schema_name ) . "', '" . esc_sql( $table_name ) . "', '" . |
| 685 |
esc_sql( $row['media_column_name'] ) . "', '" . esc_sql( $row['media_type'] ) . "', '" . |
| 686 |
esc_sql( $row['media_activated'] ) . "');"; |
| 687 |
$this->output_string .= "\n"; |
| 688 |
} |
| 689 |
|
| 690 |
// Export table menus |
| 691 |
$rows = $wpdb->get_results( |
| 692 |
$wpdb->prepare( |
| 693 |
"select * from {$wpdb->prefix}wpda_menus where menu_table_name = %s", |
| 694 |
array( |
| 695 |
$table_name, |
| 696 |
) |
| 697 |
), |
| 698 |
'ARRAY_A' |
| 699 |
); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 700 |
$this->output_string .= |
| 701 |
'DELETE FROM `{wp_prefix}wpda_menus` ' . |
| 702 |
"WHERE `menu_table_name` = '" . esc_attr( $table_name ) . "';"; |
| 703 |
$this->output_string .= "\n"; |
| 704 |
foreach ( $rows as $row ) { |
| 705 |
$this->output_string .= |
| 706 |
'INSERT INTO `{wp_prefix}wpda_menus` ' . |
| 707 |
'(`menu_schema_name`, `menu_table_name`, `menu_name`, `menu_slug`, `menu_role`) ' . |
| 708 |
'VALUES ' . |
| 709 |
"('" . esc_sql( $schema_name ) . "', '" . esc_sql( $table_name ) . "', '" . |
| 710 |
esc_sql( $row['menu_name'] ) . "', '" . esc_sql( $row['menu_slug'] ) . "', '" . |
| 711 |
esc_sql( $row['menu_role'] ) . "');"; |
| 712 |
$this->output_string .= "\n"; |
| 713 |
} |
| 714 |
} |
| 715 |
|
| 716 |
$this->output_string .= "\n"; |
| 717 |
} |
| 718 |
|
| 719 |
/** |
| 720 |
* Save column data types |
| 721 |
* |
| 722 |
* This method creates a named array for all column names of a table in form: |
| 723 |
* 'column_name' => 'data_type' |
| 724 |
* |
| 725 |
* Argument $table_columns can be retrieved from WPDA_List_Columns->set_table_columns(). It must be prepared |
| 726 |
* however with the idea that the instance of WPDA_List_Columns can be reused for best performance. |
| 727 |
* |
| 728 |
* In fact this is just an array conversion. |
| 729 |
* |
| 730 |
* @param array $table_columns Column_names and data_types of a table (table name not used here). |
| 731 |
* |
| 732 |
* @return array Named array 'column_name' => 'data_type' for all columns in the table. |
| 733 |
* @since 1.0.0 |
| 734 |
*/ |
| 735 |
protected function column_data_types( $table_columns ) { |
| 736 |
$column_data_types = array(); |
| 737 |
|
| 738 |
foreach ( $table_columns as $column_value ) { |
| 739 |
$column_data_types[ $column_value['column_name'] ] = $column_value['data_type']; |
| 740 |
} |
| 741 |
|
| 742 |
return $column_data_types; |
| 743 |
} |
| 744 |
|
| 745 |
/** |
| 746 |
* Check if data type is numeric |
| 747 |
* |
| 748 |
* @param string $data_type Data type (simple). |
| 749 |
* |
| 750 |
* @return bool |
| 751 |
* @since 1.0.0 |
| 752 |
*/ |
| 753 |
protected function is_numeric( $data_type ) { |
| 754 |
return ( 'number' === WPDA::get_type( $data_type ) ); |
| 755 |
} |
| 756 |
|
| 757 |
/** |
| 758 |
* Set back MySQL environment |
| 759 |
* |
| 760 |
* @since 1.0.0 |
| 761 |
*/ |
| 762 |
protected function db_end() { |
| 763 |
if ( 'off' === $this->mysql_set ) { |
| 764 |
return; |
| 765 |
} |
| 766 |
|
| 767 |
$this->output_string = ''; |
| 768 |
|
| 769 |
$this->output_string .= "/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;\n"; |
| 770 |
$this->output_string .= "/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;\n"; |
| 771 |
$this->output_string .= "/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;\n"; |
| 772 |
|
| 773 |
$this->write_output(); |
| 774 |
} |
| 775 |
|
| 776 |
/** |
| 777 |
* Processing on invalid arguments |
| 778 |
* |
| 779 |
* @since 1.0.0 |
| 780 |
*/ |
| 781 |
protected function wrong_arguments() { |
| 782 |
wp_die(); |
| 783 |
} |
| 784 |
|
| 785 |
/** |
| 786 |
* A row export was requested |
| 787 |
* |
| 788 |
* @since 1.0.0 |
| 789 |
*/ |
| 790 |
protected function export_rows() { |
| 791 |
// Check if table exists to prevent SQL injection. |
| 792 |
$wpda_dictionary_exists = new WPDA_Dictionary_Exist( $this->schema_name, $this->table_list ); |
| 793 |
if ( ! $wpda_dictionary_exists->table_exists() ) { |
| 794 |
wp_die(); |
| 795 |
} |
| 796 |
|
| 797 |
// Get table columns and data types. |
| 798 |
$wpda_list_columns = WPDA_List_Columns_Cache::get_list_columns( $this->schema_name, $this->table_list ); |
| 799 |
$table_columns = $wpda_list_columns->get_table_columns(); |
| 800 |
|
| 801 |
// Create array for fast column_name based access. |
| 802 |
$column_data_types = $this->column_data_types( $table_columns ); |
| 803 |
|
| 804 |
// Get primary key columns. |
| 805 |
$table_primary_key = $wpda_list_columns->get_table_primary_key(); |
| 806 |
|
| 807 |
// Check validity request. All primary key columns must be supplied. Return error if |
| 808 |
// primary key columns are missing. |
| 809 |
foreach ( $table_primary_key as $key ) { |
| 810 |
if ( ! isset( $key ) ) { |
| 811 |
$this->wrong_arguments(); |
| 812 |
} |
| 813 |
} |
| 814 |
|
| 815 |
global $wpdb; |
| 816 |
|
| 817 |
// Build where clause based on primary key. |
| 818 |
$where = ''; |
| 819 |
|
| 820 |
// Use first column of the primary key to loop through arguments. Add additional arguments in the loop. |
| 821 |
// A mismatch in the number of argument is possible as long as the columns match based on the first column |
| 822 |
// of the primary key. Other mismatches won't be taken into account. |
| 823 |
$count_pk = count( ( array ) $_REQUEST[ $table_primary_key[0] ] );//phpcs:ignore - 8.1 proof |
| 824 |
for ( $i = 0; $i < $count_pk; $i ++ ) { |
| 825 |
$and = ''; |
| 826 |
foreach ( $table_primary_key as $key ) { |
| 827 |
$and .= '' === $and ? '(' : ' and '; |
| 828 |
if ( $this->is_numeric( $column_data_types[ $key ] ) ) { |
| 829 |
$and .= $wpdb->prepare( |
| 830 |
'`%1s` = %d', // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders |
| 831 |
array( |
| 832 |
WPDA::remove_backticks( $key ), |
| 833 |
sanitize_text_field( wp_unslash( $_REQUEST[ $key ][ $i ] ) ), |
| 834 |
) |
| 835 |
); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 836 |
} else { |
| 837 |
$and .= $wpdb->prepare( |
| 838 |
'`%1s` = %s', // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders |
| 839 |
array( |
| 840 |
WPDA::remove_backticks( $key ), |
| 841 |
sanitize_text_field( wp_unslash( $_REQUEST[ $key ][ $i ] ) ), |
| 842 |
) |
| 843 |
); // phpcs:ignore Standard.Category.SniffName.ErrorCode |
| 844 |
} |
| 845 |
} |
| 846 |
|
| 847 |
$and .= '' === $and ? '' : ')'; |
| 848 |
|
| 849 |
$where .= '' === $where ? ' where ' : ' or '; |
| 850 |
$where .= $and; |
| 851 |
} |
| 852 |
|
| 853 |
$this->header( $this->table_list ); |
| 854 |
$this->db_begin(); |
| 855 |
$this->insert_rows( $this->table_list, $where ); |
| 856 |
$this->db_end(); |
| 857 |
} |
| 858 |
|
| 859 |
/** |
| 860 |
* Define output stream |
| 861 |
* |
| 862 |
* Used to stream an export to a file. Streaming helps to support exports of large files. |
| 863 |
* |
| 864 |
* @param Stream $output_stream Handle to output stream |
| 865 |
* |
| 866 |
* @since 2.0.13 |
| 867 |
*/ |
| 868 |
public function set_output_stream( $output_stream ) { |
| 869 |
$this->output_stream = $output_stream; |
| 870 |
} |
| 871 |
|
| 872 |
/** |
| 873 |
* Depending on the type of export (streaming or echoing) the output is written to the export file. |
| 874 |
* |
| 875 |
* @since 2.0.13 |
| 876 |
*/ |
| 877 |
protected function write_output() { |
| 878 |
if ( null === $this->output_stream ) { |
| 879 |
echo $this->output_string; // phpcs:ignore WordPress.Security.EscapeOutput |
| 880 |
} else { |
| 881 |
fwrite( $this->output_stream, $this->output_string ); |
| 882 |
} |
| 883 |
$this->output_string = ''; |
| 884 |
} |
| 885 |
|
| 886 |
} |
| 887 |
|
| 888 |
} |
| 889 |
|
