388 lines
12 KiB
PHP
388 lines
12 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\Table;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Index;
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use PhpMyAdmin\Relation;
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use PhpMyAdmin\Response;
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use PhpMyAdmin\Table;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Util;
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use function array_key_exists;
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use function array_keys;
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use function array_values;
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use function htmlspecialchars;
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use function mb_strtoupper;
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use function md5;
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use function strtoupper;
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use function uksort;
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use function usort;
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/**
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* Display table relations for viewing and editing.
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*
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* Includes phpMyAdmin relations and InnoDB relations.
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*/
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final class RelationController extends AbstractController
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{
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/** @var Relation */
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private $relation;
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/** @var DatabaseInterface */
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private $dbi;
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/**
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* @param Response $response
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* @param string $db Database name
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* @param string $table Table name
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* @param DatabaseInterface $dbi
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*/
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public function __construct(
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$response,
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Template $template,
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$db,
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$table,
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Relation $relation,
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$dbi
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) {
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parent::__construct($response, $template, $db, $table);
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$this->relation = $relation;
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$this->dbi = $dbi;
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}
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/**
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* Index
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*/
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public function index(): void
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{
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global $route;
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$options = [
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'CASCADE' => 'CASCADE',
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'SET_NULL' => 'SET NULL',
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'NO_ACTION' => 'NO ACTION',
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'RESTRICT' => 'RESTRICT',
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];
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$table = $this->dbi->getTable($this->db, $this->table);
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$storageEngine = mb_strtoupper((string) $table->getStatusInfo('Engine'));
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$cfgRelation = $this->relation->getRelationsParam();
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$relations = [];
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if ($cfgRelation['relwork']) {
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$relations = $this->relation->getForeigners(
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$this->db,
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$this->table,
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'',
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'internal'
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);
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}
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$relationsForeign = [];
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if (Util::isForeignKeySupported($storageEngine)) {
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$relationsForeign = $this->relation->getForeigners(
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$this->db,
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$this->table,
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'',
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'foreign'
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);
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}
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// Send table of column names to populate corresponding dropdowns depending
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// on the current selection
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if (isset($_POST['getDropdownValues'])
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&& $_POST['getDropdownValues'] === 'true'
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) {
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// if both db and table are selected
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if (isset($_POST['foreignTable'])) {
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$this->getDropdownValueForTable();
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} else { // if only the db is selected
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$this->getDropdownValueForDatabase($storageEngine);
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}
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return;
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}
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$this->addScriptFiles(['table/relation.js', 'indexes.js']);
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// Set the database
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$this->dbi->selectDb($this->db);
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// updates for Internal relations
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if (isset($_POST['destination_db']) && $cfgRelation['relwork']) {
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$this->updateForInternalRelation($table, $cfgRelation, $relations);
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}
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// updates for foreign keys
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$this->updateForForeignKeys($table, $options, $relationsForeign);
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// Updates for display field
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if ($cfgRelation['displaywork'] && isset($_POST['display_field'])) {
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$this->updateForDisplayField($table, $cfgRelation);
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}
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// If we did an update, refresh our data
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if (isset($_POST['destination_db']) && $cfgRelation['relwork']) {
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$relations = $this->relation->getForeigners(
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$this->db,
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$this->table,
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'',
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'internal'
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);
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}
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if (isset($_POST['destination_foreign_db'])
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&& Util::isForeignKeySupported($storageEngine)
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) {
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$relationsForeign = $this->relation->getForeigners(
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$this->db,
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$this->table,
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'',
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'foreign'
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);
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}
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/**
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* Dialog
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*/
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// Now find out the columns of our $table
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// need to use DatabaseInterface::QUERY_STORE with $this->dbi->numRows()
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// in mysqli
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$columns = $this->dbi->getColumns($this->db, $this->table);
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$column_array = [];
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$column_hash_array = [];
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$column_array[''] = '';
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foreach ($columns as $column) {
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if (strtoupper($storageEngine) !== 'INNODB'
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&& empty($column['Key'])
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) {
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continue;
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}
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$column_array[$column['Field']] = $column['Field'];
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$column_hash_array[$column['Field']] = md5($column['Field']);
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}
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if ($GLOBALS['cfg']['NaturalOrder']) {
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uksort($column_array, 'strnatcasecmp');
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}
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// common form
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$engine = $this->dbi->getTable($this->db, $this->table)->getStorageEngine();
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$this->render('table/relation/common_form', [
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'is_foreign_key_supported' => Util::isForeignKeySupported($engine),
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'db' => $this->db,
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'table' => $this->table,
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'cfg_relation' => $cfgRelation,
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'tbl_storage_engine' => $storageEngine,
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'existrel' => $relations,
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'existrel_foreign' => array_key_exists('foreign_keys_data', $relationsForeign)
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? $relationsForeign['foreign_keys_data']
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: [],
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'options_array' => $options,
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'column_array' => $column_array,
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'column_hash_array' => $column_hash_array,
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'save_row' => array_values($columns),
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'url_params' => $GLOBALS['url_params'],
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'databases' => $GLOBALS['dblist']->databases,
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'dbi' => $this->dbi,
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'default_sliders_state' => $GLOBALS['cfg']['InitialSlidersState'],
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'route' => $route,
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]);
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}
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/**
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* Update for display field
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*
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* @param Table $table table
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* @param array $cfgRelation relation parameters
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*/
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private function updateForDisplayField(Table $table, array $cfgRelation): void
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{
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if (! $table->updateDisplayField(
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$_POST['display_field'],
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$cfgRelation
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)) {
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return;
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}
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$this->response->addHTML(
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Generator::getMessage(
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__('Display column was successfully updated.'),
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'',
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'success'
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)
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);
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}
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/**
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* Update for FK
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*
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* @param Table $table Table
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* @param array $options Options
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* @param array $relationsForeign External relations
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*/
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private function updateForForeignKeys(Table $table, array $options, array $relationsForeign): void
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{
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$multi_edit_columns_name = $_POST['foreign_key_fields_name'] ?? null;
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$preview_sql_data = '';
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$seen_error = false;
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// (for now, one index name only; we keep the definitions if the
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// foreign db is not the same)
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if (isset($_POST['destination_foreign_db'], $_POST['destination_foreign_table'])
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&& isset($_POST['destination_foreign_column'])) {
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[
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$html,
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$preview_sql_data,
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$display_query,
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$seen_error,
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] = $table->updateForeignKeys(
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$_POST['destination_foreign_db'],
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$multi_edit_columns_name,
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$_POST['destination_foreign_table'],
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$_POST['destination_foreign_column'],
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$options,
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$this->table,
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array_key_exists('foreign_keys_data', $relationsForeign)
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? $relationsForeign['foreign_keys_data']
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: []
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);
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$this->response->addHTML($html);
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}
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// If there is a request for SQL previewing.
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if (isset($_POST['preview_sql'])) {
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Core::previewSQL($preview_sql_data);
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exit;
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}
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if (empty($display_query) || $seen_error) {
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return;
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}
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$GLOBALS['display_query'] = $display_query;
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$this->response->addHTML(
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Generator::getMessage(
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__('Your SQL query has been executed successfully.'),
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null,
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'success'
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)
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);
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}
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/**
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* Update for internal relation
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*
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* @param Table $table Table
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* @param array $cfgRelation Relation parameters
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* @param array $relations Relations
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*/
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private function updateForInternalRelation(Table $table, array $cfgRelation, array $relations): void
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{
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$multi_edit_columns_name = $_POST['fields_name'] ?? null;
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if (! $table->updateInternalRelations(
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$multi_edit_columns_name,
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$_POST['destination_db'],
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$_POST['destination_table'],
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$_POST['destination_column'],
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$cfgRelation,
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$relations
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)) {
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return;
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}
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$this->response->addHTML(
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Generator::getMessage(
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__('Internal relationships were successfully updated.'),
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'',
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'success'
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)
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);
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}
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/**
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* Send table columns for foreign table dropdown
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*/
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public function getDropdownValueForTable(): void
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{
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$foreignTable = $_POST['foreignTable'];
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$table_obj = $this->dbi->getTable($_POST['foreignDb'], $foreignTable);
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// Since views do not have keys defined on them provide the full list of
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// columns
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if ($table_obj->isView()) {
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$columnList = $table_obj->getColumns(false, false);
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} else {
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$columnList = $table_obj->getIndexedColumns(false, false);
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}
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$columns = [];
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foreach ($columnList as $column) {
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$columns[] = htmlspecialchars($column);
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}
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if ($GLOBALS['cfg']['NaturalOrder']) {
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usort($columns, 'strnatcasecmp');
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}
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$this->response->addJSON('columns', $columns);
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// @todo should be: $server->db($db)->table($table)->primary()
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$primary = Index::getPrimary($foreignTable, $_POST['foreignDb']);
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if ($primary === false) {
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return;
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}
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$this->response->addJSON('primary', array_keys($primary->getColumns()));
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}
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/**
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* Send database selection values for dropdown
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*
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* @param string $storageEngine Storage engine.
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*/
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public function getDropdownValueForDatabase(string $storageEngine): void
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{
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$tables = [];
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$foreign = isset($_POST['foreign']) && $_POST['foreign'] === 'true';
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if ($foreign) {
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$query = 'SHOW TABLE STATUS FROM '
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. Util::backquote($_POST['foreignDb']);
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$tables_rs = $this->dbi->query(
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$query,
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DatabaseInterface::CONNECT_USER,
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DatabaseInterface::QUERY_STORE
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);
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while ($row = $this->dbi->fetchArray($tables_rs)) {
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if (! isset($row['Engine'])
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|| mb_strtoupper($row['Engine']) != $storageEngine
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) {
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continue;
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}
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$tables[] = htmlspecialchars($row['Name']);
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}
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} else {
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$query = 'SHOW TABLES FROM '
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. Util::backquote($_POST['foreignDb']);
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$tables_rs = $this->dbi->query(
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$query,
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DatabaseInterface::CONNECT_USER,
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DatabaseInterface::QUERY_STORE
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);
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while ($row = $this->dbi->fetchArray($tables_rs)) {
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$tables[] = htmlspecialchars($row[0]);
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}
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}
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if ($GLOBALS['cfg']['NaturalOrder']) {
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usort($tables, 'strnatcasecmp');
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}
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$this->response->addJSON('tables', $tables);
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}
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}
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