166 lines
4.1 KiB
PHP
166 lines
4.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use function array_merge;
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use function is_array;
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use function is_string;
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use function preg_match;
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use function sort;
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use function strlen;
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use function usort;
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/**
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* handles database lists
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*
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* <code>
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* $ListDatabase = new ListDatabase();
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* </code>
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*
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* @todo this object should be attached to the PMA_Server object
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*/
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class ListDatabase extends ListAbstract
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{
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public function __construct()
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{
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global $dbi;
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parent::__construct();
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$checkUserPrivileges = new CheckUserPrivileges($dbi);
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$checkUserPrivileges->getPrivileges();
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$this->build();
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}
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/**
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* checks if the configuration wants to hide some databases
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*/
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protected function checkHideDatabase(): void
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{
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if (empty($GLOBALS['cfg']['Server']['hide_db'])) {
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return;
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}
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foreach ($this->getArrayCopy() as $key => $db) {
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if (! preg_match('/' . $GLOBALS['cfg']['Server']['hide_db'] . '/', $db)) {
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continue;
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}
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$this->offsetUnset($key);
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}
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}
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/**
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* retrieves database list from server
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*
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* @param string $like_db_name usually a db_name containing wildcards
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*
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* @return array
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*/
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protected function retrieve($like_db_name = null)
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{
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global $dbi;
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$database_list = [];
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$command = '';
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if (! $GLOBALS['cfg']['Server']['DisableIS']) {
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$command .= 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`';
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if ($like_db_name !== null) {
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$command .= " WHERE `SCHEMA_NAME` LIKE '" . $like_db_name . "'";
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}
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} else {
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if ($GLOBALS['dbs_to_test'] === false || $like_db_name !== null) {
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$command .= 'SHOW DATABASES';
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if ($like_db_name !== null) {
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$command .= " LIKE '" . $like_db_name . "'";
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}
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} else {
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foreach ($GLOBALS['dbs_to_test'] as $db) {
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$database_list = array_merge(
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$database_list,
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$this->retrieve($db)
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);
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}
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}
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}
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if ($command) {
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$database_list = $dbi->fetchResult($command, null, null);
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}
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if ($GLOBALS['cfg']['NaturalOrder']) {
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usort($database_list, 'strnatcasecmp');
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} else {
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// need to sort anyway, otherwise information_schema
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// goes at the top
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sort($database_list);
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}
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return $database_list;
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}
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/**
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* builds up the list
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*/
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public function build(): void
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{
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if (! $this->checkOnlyDatabase()) {
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$items = $this->retrieve();
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$this->exchangeArray($items);
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}
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$this->checkHideDatabase();
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}
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/**
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* checks the only_db configuration
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*/
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protected function checkOnlyDatabase(): bool
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{
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if (is_string($GLOBALS['cfg']['Server']['only_db']) && strlen($GLOBALS['cfg']['Server']['only_db']) > 0) {
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$GLOBALS['cfg']['Server']['only_db'] = [
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$GLOBALS['cfg']['Server']['only_db'],
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];
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}
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if (! is_array($GLOBALS['cfg']['Server']['only_db'])) {
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return false;
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}
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$items = [];
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foreach ($GLOBALS['cfg']['Server']['only_db'] as $each_only_db) {
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// check if the db name contains wildcard,
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// thus containing not escaped _ or %
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if (! preg_match('/(^|[^\\\\])(_|%)/', $each_only_db)) {
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// ... not contains wildcard
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$items[] = Util::unescapeMysqlWildcards($each_only_db);
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continue;
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}
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$items = array_merge($items, $this->retrieve($each_only_db));
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}
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$this->exchangeArray($items);
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return true;
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}
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/**
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* returns default item
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*
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* @return string default item
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*/
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public function getDefault()
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{
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if (strlen($GLOBALS['db']) > 0) {
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return $GLOBALS['db'];
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}
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return $this->getEmpty();
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}
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}
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