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| Current File : /proc/self/root/opt/bitnami/phpmyadmin/libraries/classes/DatabaseInterface.php |
<?php
/**
* Main interface for database interactions
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use mysqli_result;
use PhpMyAdmin\Database\DatabaseList;
use PhpMyAdmin\Dbal\DbalInterface;
use PhpMyAdmin\Dbal\DbiExtension;
use PhpMyAdmin\Dbal\DbiMysqli;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Query\Cache;
use PhpMyAdmin\Query\Compatibility;
use PhpMyAdmin\Query\Generator as QueryGenerator;
use PhpMyAdmin\Query\Utilities;
use PhpMyAdmin\SqlParser\Context;
use PhpMyAdmin\Utils\SessionCache;
use const E_USER_WARNING;
use const LOG_INFO;
use const LOG_NDELAY;
use const LOG_PID;
use const LOG_USER;
use const SORT_ASC;
use const SORT_DESC;
use function array_diff;
use function array_keys;
use function array_map;
use function array_merge;
use function array_multisort;
use function array_reverse;
use function array_shift;
use function array_slice;
use function basename;
use function closelog;
use function count;
use function defined;
use function explode;
use function implode;
use function is_array;
use function is_int;
use function is_string;
use function mb_strtolower;
use function microtime;
use function openlog;
use function reset;
use function rtrim;
use function sprintf;
use function stripos;
use function strlen;
use function strncmp;
use function strpos;
use function strtolower;
use function strtoupper;
use function substr;
use function syslog;
use function trigger_error;
use function uasort;
use function uksort;
use function usort;
/**
* Main interface for database interactions
*/
class DatabaseInterface implements DbalInterface
{
/**
* Force STORE_RESULT method, ignored by classic MySQL.
*/
public const QUERY_STORE = 1;
/**
* Do not read whole query.
*/
public const QUERY_UNBUFFERED = 2;
/**
* Get session variable.
*/
public const GETVAR_SESSION = 1;
/**
* Get global variable.
*/
public const GETVAR_GLOBAL = 2;
/**
* User connection.
*/
public const CONNECT_USER = 0x100;
/**
* Control user connection.
*/
public const CONNECT_CONTROL = 0x101;
/**
* Auxiliary connection.
*
* Used for example for replication setup.
*/
public const CONNECT_AUXILIARY = 0x102;
/** @var DbiExtension */
private $extension;
/**
* Opened database links
*
* @var array
*/
private $links;
/** @var array Current user and host cache */
private $currentUser;
/** @var string|null lower_case_table_names value cache */
private $lowerCaseTableNames = null;
/** @var bool Whether connection is MariaDB */
private $isMariaDb = false;
/** @var bool Whether connection is Percona */
private $isPercona = false;
/** @var int Server version as number */
private $versionInt = 55000;
/** @var string Server version */
private $versionString = '5.50.0';
/** @var string Server version comment */
private $versionComment = '';
/** @var Types MySQL types data */
public $types;
/** @var Relation */
private $relation;
/** @var Cache */
private $cache;
/**
* @param DbiExtension $ext Object to be used for database queries
*/
public function __construct(DbiExtension $ext)
{
$this->extension = $ext;
$this->links = [];
if (defined('TESTSUITE')) {
$this->links[self::CONNECT_USER] = 1;
$this->links[self::CONNECT_CONTROL] = 2;
}
$this->currentUser = [];
$this->cache = new Cache();
$this->types = new Types($this);
$this->relation = new Relation($this);
}
/**
* runs a query
*
* @param string $query SQL query to execute
* @param mixed $link optional database link to use
* @param int $options optional query options
* @param bool $cache_affected_rows whether to cache affected rows
*
* @return mixed
*/
public function query(
string $query,
$link = self::CONNECT_USER,
int $options = 0,
bool $cache_affected_rows = true
) {
$result = $this->tryQuery($query, $link, $options, $cache_affected_rows);
if (! $result) {
Generator::mysqlDie($this->getError($link), $query);
return false;
}
return $result;
}
public function getCache(): Cache
{
return $this->cache;
}
/**
* runs a query and returns the result
*
* @param string $query query to run
* @param mixed $link link type
* @param int $options query options
* @param bool $cache_affected_rows whether to cache affected row
*
* @return mixed
*/
public function tryQuery(
string $query,
$link = self::CONNECT_USER,
int $options = 0,
bool $cache_affected_rows = true
) {
$debug = isset($GLOBALS['cfg']['DBG']) ? $GLOBALS['cfg']['DBG']['sql'] : false;
if (! isset($this->links[$link])) {
return false;
}
$time = 0;
if ($debug) {
$time = microtime(true);
}
$result = $this->extension->realQuery($query, $this->links[$link], $options);
if ($cache_affected_rows) {
$GLOBALS['cached_affected_rows'] = $this->affectedRows($link, false);
}
if ($debug) {
$time = microtime(true) - $time;
$errorMessage = $this->getError($link);
Utilities::debugLogQueryIntoSession(
$query,
is_string($errorMessage) ? $errorMessage : null,
$result,
$time
);
if ($GLOBALS['cfg']['DBG']['sqllog']) {
$warningsCount = '';
if (($options & self::QUERY_STORE) == self::QUERY_STORE) {
if (isset($this->links[$link]->warning_count)) {
$warningsCount = $this->links[$link]->warning_count;
}
}
openlog('phpMyAdmin', LOG_NDELAY | LOG_PID, LOG_USER);
syslog(
LOG_INFO,
sprintf(
'SQL[%s?route=%s]: %0.3f(W:%s,C:%s,L:0x%02X) > %s',
basename($_SERVER['SCRIPT_NAME']),
Routing::getCurrentRoute(),
$time,
$warningsCount,
$cache_affected_rows ? 'y' : 'n',
$link,
$query
)
);
closelog();
}
}
if ($result !== false && Tracker::isActive()) {
Tracker::handleQuery($query);
}
return $result;
}
/**
* Run multi query statement and return results
*
* @param string $multiQuery multi query statement to execute
* @param int $linkIndex index of the opened database link
*
* @return mysqli_result[]|bool (false)
*/
public function tryMultiQuery(
string $multiQuery = '',
$linkIndex = self::CONNECT_USER
) {
if (! isset($this->links[$linkIndex])) {
return false;
}
return $this->extension->realMultiQuery($this->links[$linkIndex], $multiQuery);
}
/**
* returns array with table names for given db
*
* @param string $database name of database
* @param mixed $link mysql link resource|object
*
* @return array tables names
*/
public function getTables(string $database, $link = self::CONNECT_USER): array
{
$tables = $this->fetchResult(
'SHOW TABLES FROM ' . Util::backquote($database) . ';',
null,
0,
$link,
self::QUERY_STORE
);
if ($GLOBALS['cfg']['NaturalOrder']) {
usort($tables, 'strnatcasecmp');
}
return $tables;
}
/**
* returns
*
* @param string $database name of database
* @param array $tables list of tables to search for for relations
* @param int $link mysql link resource|object
*
* @return array array of found foreign keys
*/
public function getForeignKeyConstrains(string $database, array $tables, $link = self::CONNECT_USER): array
{
$tablesListForQuery = '';
foreach ($tables as $table) {
$tablesListForQuery .= "'" . $this->escapeString($table) . "',";
}
$tablesListForQuery = rtrim($tablesListForQuery, ',');
return $this->fetchResult(
QueryGenerator::getInformationSchemaForeignKeyConstraintsRequest(
$this->escapeString($database),
$tablesListForQuery
),
null,
null,
$link,
self::QUERY_STORE
);
}
/**
* returns array of all tables in given db or dbs
* this function expects unquoted names:
* RIGHT: my_database
* WRONG: `my_database`
* WRONG: my\_database
* if $tbl_is_group is true, $table is used as filter for table names
*
* <code>
* $dbi->getTablesFull('my_database');
* $dbi->getTablesFull('my_database', 'my_table'));
* $dbi->getTablesFull('my_database', 'my_tables_', true));
* </code>
*
* @param string $database database
* @param string|array $table table name(s)
* @param bool $tbl_is_group $table is a table group
* @param int $limit_offset zero-based offset for the count
* @param bool|int $limit_count number of tables to return
* @param string $sort_by table attribute to sort by
* @param string $sort_order direction to sort (ASC or DESC)
* @param string $table_type whether table or view
* @param mixed $link link type
*
* @return array list of tables in given db(s)
*
* @todo move into Table
*/
public function getTablesFull(
string $database,
$table = '',
bool $tbl_is_group = false,
int $limit_offset = 0,
$limit_count = false,
string $sort_by = 'Name',
string $sort_order = 'ASC',
?string $table_type = null,
$link = self::CONNECT_USER
): array {
if ($limit_count === true) {
$limit_count = $GLOBALS['cfg']['MaxTableList'];
}
$databases = [$database];
$tables = [];
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$sql_where_table = QueryGenerator::getTableCondition(
is_array($table) ? array_map(
[
$this,
'escapeString',
],
$table
) : $this->escapeString($table),
$tbl_is_group,
$table_type
);
// for PMA bc:
// `SCHEMA_FIELD_NAME` AS `SHOW_TABLE_STATUS_FIELD_NAME`
//
// on non-Windows servers,
// added BINARY in the WHERE clause to force a case sensitive
// comparison (if we are looking for the db Aa we don't want
// to find the db aa)
$this_databases = array_map(
[
$this,
'escapeString',
],
$databases
);
$sql = QueryGenerator::getSqlForTablesFull($this_databases, $sql_where_table);
// Sort the tables
$sql .= ' ORDER BY ' . $sort_by . ' ' . $sort_order;
if ($limit_count) {
$sql .= ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
}
$tables = $this->fetchResult(
$sql,
[
'TABLE_SCHEMA',
'TABLE_NAME',
],
null,
$link
);
if ($sort_by === 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
// here, the array's first key is by schema name
foreach ($tables as $one_database_name => $one_database_tables) {
uksort($one_database_tables, 'strnatcasecmp');
if ($sort_order === 'DESC') {
$one_database_tables = array_reverse($one_database_tables);
}
$tables[$one_database_name] = $one_database_tables;
}
} elseif ($sort_by === 'Data_length') {
// Size = Data_length + Index_length
foreach ($tables as $one_database_name => $one_database_tables) {
uasort(
$one_database_tables,
/**
* @param array $a
* @param array $b
*/
static function ($a, $b) {
$aLength = $a['Data_length'] + $a['Index_length'];
$bLength = $b['Data_length'] + $b['Index_length'];
return $aLength <=> $bLength;
}
);
if ($sort_order === 'DESC') {
$one_database_tables = array_reverse($one_database_tables);
}
$tables[$one_database_name] = $one_database_tables;
}
}
}
// If permissions are wrong on even one database directory,
// information_schema does not return any table info for any database
// this is why we fall back to SHOW TABLE STATUS even for MySQL >= 50002
if (empty($tables)) {
foreach ($databases as $each_database) {
if ($table || ($tbl_is_group === true) || ! empty($table_type)) {
$sql = 'SHOW TABLE STATUS FROM '
. Util::backquote($each_database)
. ' WHERE';
$needAnd = false;
if ($table || ($tbl_is_group === true)) {
if (is_array($table)) {
$sql .= ' `Name` IN (\''
. implode(
'\', \'',
array_map(
[
$this,
'escapeString',
],
$table,
$link
)
) . '\')';
} else {
$sql .= " `Name` LIKE '"
. Util::escapeMysqlWildcards(
$this->escapeString($table, $link)
)
. "%'";
}
$needAnd = true;
}
if (! empty($table_type)) {
if ($needAnd) {
$sql .= ' AND';
}
if ($table_type === 'view') {
$sql .= " `Comment` = 'VIEW'";
} elseif ($table_type === 'table') {
$sql .= " `Comment` != 'VIEW'";
}
}
} else {
$sql = 'SHOW TABLE STATUS FROM '
. Util::backquote($each_database);
}
$each_tables = $this->fetchResult($sql, 'Name', null, $link);
// Sort naturally if the config allows it and we're sorting
// the Name column.
if ($sort_by === 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
uksort($each_tables, 'strnatcasecmp');
if ($sort_order === 'DESC') {
$each_tables = array_reverse($each_tables);
}
} else {
// Prepare to sort by creating array of the selected sort
// value to pass to array_multisort
// Size = Data_length + Index_length
if ($sort_by === 'Data_length') {
foreach ($each_tables as $table_name => $table_data) {
${$sort_by}[$table_name] = strtolower(
(string) ($table_data['Data_length']
+ $table_data['Index_length'])
);
}
} else {
foreach ($each_tables as $table_name => $table_data) {
${$sort_by}[$table_name]
= strtolower($table_data[$sort_by] ?? '');
}
}
if (! empty($$sort_by)) {
if ($sort_order === 'DESC') {
array_multisort($$sort_by, SORT_DESC, $each_tables);
} else {
array_multisort($$sort_by, SORT_ASC, $each_tables);
}
}
// cleanup the temporary sort array
unset($$sort_by);
}
if ($limit_count) {
$each_tables = array_slice(
$each_tables,
$limit_offset,
$limit_count
);
}
$tables[$each_database] = Compatibility::getISCompatForGetTablesFull($each_tables, $each_database);
}
}
// cache table data
// so Table does not require to issue SHOW TABLE STATUS again
$this->cache->cacheTableData($tables, $table);
if (isset($tables[$database])) {
return $tables[$database];
}
if (isset($tables[mb_strtolower($database)])) {
// on windows with lower_case_table_names = 1
// MySQL returns
// with SHOW DATABASES or information_schema.SCHEMATA: `Test`
// but information_schema.TABLES gives `test`
// see https://github.com/phpmyadmin/phpmyadmin/issues/8402
return $tables[mb_strtolower($database)];
}
return $tables;
}
/**
* Get VIEWs in a particular database
*
* @param string $db Database name to look in
*
* @return array Set of VIEWs inside the database
*/
public function getVirtualTables(string $db): array
{
$tables_full = $this->getTablesFull($db);
$views = [];
foreach ($tables_full as $table => $tmp) {
$table = $this->getTable($db, (string) $table);
if (! $table->isView()) {
continue;
}
$views[] = $table;
}
return $views;
}
/**
* returns array with databases containing extended infos about them
*
* @param string $database database
* @param bool $force_stats retrieve stats also for MySQL < 5
* @param int $link link type
* @param string $sort_by column to order by
* @param string $sort_order ASC or DESC
* @param int $limit_offset starting offset for LIMIT
* @param bool|int $limit_count row count for LIMIT or true
* for $GLOBALS['cfg']['MaxDbList']
*
* @return array
*
* @todo move into ListDatabase?
*/
public function getDatabasesFull(
?string $database = null,
bool $force_stats = false,
$link = self::CONNECT_USER,
string $sort_by = 'SCHEMA_NAME',
string $sort_order = 'ASC',
int $limit_offset = 0,
$limit_count = false
): array {
$sort_order = strtoupper($sort_order);
if ($limit_count === true) {
$limit_count = $GLOBALS['cfg']['MaxDbList'];
}
$apply_limit_and_order_manual = true;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
/**
* if $GLOBALS['cfg']['NaturalOrder'] is enabled, we cannot use LIMIT
* cause MySQL does not support natural ordering,
* we have to do it afterward
*/
$limit = '';
if (! $GLOBALS['cfg']['NaturalOrder']) {
if ($limit_count) {
$limit = ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
}
$apply_limit_and_order_manual = false;
}
// get table information from information_schema
$sqlWhereSchema = '';
if (! empty($database)) {
$sqlWhereSchema = 'WHERE `SCHEMA_NAME` LIKE \''
. $this->escapeString($database, $link) . '\'';
}
$sql = QueryGenerator::getInformationSchemaDatabasesFullRequest(
$force_stats,
$sqlWhereSchema,
$sort_by,
$sort_order,
$limit
);
$databases = $this->fetchResult($sql, 'SCHEMA_NAME', null, $link);
$mysql_error = $this->getError($link);
if (! count($databases) && isset($GLOBALS['errno'])) {
Generator::mysqlDie($mysql_error, $sql);
}
// display only databases also in official database list
// f.e. to apply hide_db and only_db
$drops = array_diff(
array_keys($databases),
(array) $GLOBALS['dblist']->databases
);
foreach ($drops as $drop) {
unset($databases[$drop]);
}
} else {
$databases = [];
foreach ($GLOBALS['dblist']->databases as $database_name) {
// Compatibility with INFORMATION_SCHEMA output
$databases[$database_name]['SCHEMA_NAME'] = $database_name;
$databases[$database_name]['DEFAULT_COLLATION_NAME']
= $this->getDbCollation($database_name);
if (! $force_stats) {
continue;
}
// get additional info about tables
$databases[$database_name]['SCHEMA_TABLES'] = 0;
$databases[$database_name]['SCHEMA_TABLE_ROWS'] = 0;
$databases[$database_name]['SCHEMA_DATA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_INDEX_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_DATA_FREE'] = 0;
$res = $this->query(
'SHOW TABLE STATUS FROM '
. Util::backquote($database_name) . ';'
);
if ($res === false) {
unset($res);
continue;
}
while ($row = $this->fetchAssoc($res)) {
$databases[$database_name]['SCHEMA_TABLES']++;
$databases[$database_name]['SCHEMA_TABLE_ROWS']
+= $row['Rows'];
$databases[$database_name]['SCHEMA_DATA_LENGTH']
+= $row['Data_length'];
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH']
+= $row['Max_data_length'];
$databases[$database_name]['SCHEMA_INDEX_LENGTH']
+= $row['Index_length'];
// for InnoDB, this does not contain the number of
// overhead bytes but the total free space
if ($row['Engine'] !== 'InnoDB') {
$databases[$database_name]['SCHEMA_DATA_FREE']
+= $row['Data_free'];
}
$databases[$database_name]['SCHEMA_LENGTH']
+= $row['Data_length'] + $row['Index_length'];
}
$this->freeResult($res);
unset($res);
}
}
/**
* apply limit and order manually now
* (caused by older MySQL < 5 or $GLOBALS['cfg']['NaturalOrder'])
*/
if ($apply_limit_and_order_manual) {
usort(
$databases,
static function ($a, $b) use ($sort_by, $sort_order) {
return Utilities::usortComparisonCallback($a, $b, $sort_by, $sort_order);
}
);
/**
* now apply limit
*/
if ($limit_count) {
$databases = array_slice($databases, $limit_offset, $limit_count);
}
}
return $databases;
}
/**
* returns detailed array with all columns for sql
*
* @param string $sql_query target SQL query to get columns
* @param array $view_columns alias for columns
*
* @return array
*/
public function getColumnMapFromSql(string $sql_query, array $view_columns = []): array
{
$result = $this->tryQuery($sql_query);
if ($result === false) {
return [];
}
$meta = $this->getFieldsMeta(
$result
);
$nbFields = count($meta);
if ($nbFields <= 0) {
return [];
}
$column_map = [];
$nbColumns = count($view_columns);
for ($i = 0; $i < $nbFields; $i++) {
$map = [];
$map['table_name'] = $meta[$i]->table;
$map['refering_column'] = $meta[$i]->name;
if ($nbColumns > 1) {
$map['real_column'] = $view_columns[$i];
}
$column_map[] = $map;
}
return $column_map;
}
/**
* returns detailed array with all columns for given table in database,
* or all tables/databases
*
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param string $column name of specific column
* @param mixed $link mysql link resource
*
* @return array
*/
public function getColumnsFull(
?string $database = null,
?string $table = null,
?string $column = null,
$link = self::CONNECT_USER
): array {
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
[$sql, $arrayKeys] = QueryGenerator::getInformationSchemaColumnsFullRequest(
$database !== null ? $this->escapeString($database, $link) : null,
$table !== null ? $this->escapeString($table, $link) : null,
$column !== null ? $this->escapeString($column, $link) : null
);
return $this->fetchResult($sql, $arrayKeys, null, $link);
}
$columns = [];
if ($database === null) {
foreach ($GLOBALS['dblist']->databases as $database) {
$columns[$database] = $this->getColumnsFull(
$database,
null,
null,
$link
);
}
return $columns;
}
if ($table === null) {
$tables = $this->getTables($database);
foreach ($tables as $table) {
$columns[$table] = $this->getColumnsFull(
$database,
$table,
null,
$link
);
}
return $columns;
}
$sql = 'SHOW FULL COLUMNS FROM '
. Util::backquote($database) . '.' . Util::backquote($table);
if ($column !== null) {
$sql .= " LIKE '" . $this->escapeString($column, $link) . "'";
}
$columns = $this->fetchResult($sql, 'Field', null, $link);
$columns = Compatibility::getISCompatForGetColumnsFull($columns, $database, $table);
if ($column !== null) {
return reset($columns);
}
return $columns;
}
/**
* Returns descriptions of columns in given table (all or given by $column)
*
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param string $column name of column, null to show all columns
* @param bool $full whether to return full info or only column names
* @param int $link link type
*
* @return array array indexed by column names or,
* if $column is given, flat array description
*/
public function getColumns(
string $database,
string $table,
?string $column = null,
bool $full = false,
$link = self::CONNECT_USER
): array {
$sql = QueryGenerator::getColumnsSql(
$database,
$table,
$column === null ? null : Util::escapeMysqlWildcards($this->escapeString($column)),
$full
);
$fields = $this->fetchResult($sql, 'Field', null, $link);
if (! is_array($fields) || count($fields) === 0) {
return [];
}
// Check if column is a part of multiple-column index and set its 'Key'.
$indexes = Index::getFromTable($table, $database);
foreach ($fields as $field => $field_data) {
if (! empty($field_data['Key'])) {
continue;
}
foreach ($indexes as $index) {
/** @var Index $index */
if (! $index->hasColumn($field)) {
continue;
}
$index_columns = $index->getColumns();
if ($index_columns[$field]->getSeqInIndex() <= 1) {
continue;
}
if ($index->isUnique()) {
$fields[$field]['Key'] = 'UNI';
} else {
$fields[$field]['Key'] = 'MUL';
}
}
}
return $column != null ? array_shift($fields) : $fields;
}
/**
* Returns all column names in given table
*
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param mixed $link mysql link resource
*
* @return array|null
*/
public function getColumnNames(
string $database,
string $table,
$link = self::CONNECT_USER
): ?array {
$sql = QueryGenerator::getColumnsSql($database, $table);
// We only need the 'Field' column which contains the table's column names
$fields = array_keys($this->fetchResult($sql, 'Field', null, $link));
if (! is_array($fields) || count($fields) === 0) {
return null;
}
return $fields;
}
/**
* Returns indexes of a table
*
* @param string $database name of database
* @param string $table name of the table whose indexes are to be retrieved
* @param mixed $link mysql link resource
*
* @return array
*/
public function getTableIndexes(
string $database,
string $table,
$link = self::CONNECT_USER
): array {
$sql = QueryGenerator::getTableIndexesSql($database, $table);
$indexes = $this->fetchResult($sql, null, null, $link);
if (! is_array($indexes) || count($indexes) < 1) {
return [];
}
return $indexes;
}
/**
* returns value of given mysql server variable
*
* @param string $var mysql server variable name
* @param int $type DatabaseInterface::GETVAR_SESSION |
* DatabaseInterface::GETVAR_GLOBAL
* @param mixed $link mysql link resource|object
*
* @return mixed value for mysql server variable
*/
public function getVariable(
string $var,
int $type = self::GETVAR_SESSION,
$link = self::CONNECT_USER
) {
switch ($type) {
case self::GETVAR_SESSION:
$modifier = ' SESSION';
break;
case self::GETVAR_GLOBAL:
$modifier = ' GLOBAL';
break;
default:
$modifier = '';
}
return $this->fetchValue(
'SHOW' . $modifier . ' VARIABLES LIKE \'' . $var . '\';',
0,
1,
$link
);
}
/**
* Sets new value for a variable if it is different from the current value
*
* @param string $var variable name
* @param string $value value to set
* @param mixed $link mysql link resource|object
*
* @return bool whether query was a successful
*/
public function setVariable(
string $var,
string $value,
$link = self::CONNECT_USER
): bool {
$current_value = $this->getVariable(
$var,
self::GETVAR_SESSION,
$link
);
if ($current_value == $value) {
return true;
}
return $this->query('SET ' . $var . ' = ' . $value . ';', $link);
}
/**
* Function called just after a connection to the MySQL database server has
* been established. It sets the connection collation, and determines the
* version of MySQL which is running.
*/
public function postConnect(): void
{
$version = $this->fetchSingleRow(
'SELECT @@version, @@version_comment',
'ASSOC',
self::CONNECT_USER
);
if (is_array($version)) {
$this->versionString = $version['@@version'] ?? '';
$this->versionInt = Utilities::versionToInt($this->versionString);
$this->versionComment = $version['@@version_comment'] ?? '';
if (stripos($this->versionString, 'mariadb') !== false) {
$this->isMariaDb = true;
}
if (stripos($this->versionComment, 'percona') !== false) {
$this->isPercona = true;
}
}
if ($this->versionInt > 50503) {
$default_charset = 'utf8mb4';
$default_collation = 'utf8mb4_general_ci';
} else {
$default_charset = 'utf8';
$default_collation = 'utf8_general_ci';
}
$GLOBALS['collation_connection'] = $default_collation;
$GLOBALS['charset_connection'] = $default_charset;
$this->query(
sprintf('SET NAMES \'%s\' COLLATE \'%s\';', $default_charset, $default_collation),
self::CONNECT_USER,
self::QUERY_STORE
);
/* Locale for messages */
$locale = LanguageManager::getInstance()->getCurrentLanguage()->getMySQLLocale();
if (! empty($locale)) {
$this->query(
"SET lc_messages = '" . $locale . "';",
self::CONNECT_USER,
self::QUERY_STORE
);
}
// Set timezone for the session, if required.
if ($GLOBALS['cfg']['Server']['SessionTimeZone'] != '') {
$sql_query_tz = 'SET ' . Util::backquote('time_zone') . ' = '
. '\''
. $this->escapeString($GLOBALS['cfg']['Server']['SessionTimeZone'])
. '\'';
if (! $this->tryQuery($sql_query_tz)) {
$error_message_tz = sprintf(
__(
'Unable to use timezone "%1$s" for server %2$d. '
. 'Please check your configuration setting for '
. '[em]$cfg[\'Servers\'][%3$d][\'SessionTimeZone\'][/em]. '
. 'phpMyAdmin is currently using the default time zone '
. 'of the database server.'
),
$GLOBALS['cfg']['Server']['SessionTimeZone'],
$GLOBALS['server'],
$GLOBALS['server']
);
trigger_error($error_message_tz, E_USER_WARNING);
}
}
/* Loads closest context to this version. */
Context::loadClosest(
($this->isMariaDb ? 'MariaDb' : 'MySql') . $this->versionInt
);
/**
* the DatabaseList class as a stub for the ListDatabase class
*/
$GLOBALS['dblist'] = new DatabaseList();
}
/**
* Sets collation connection for user link
*
* @param string $collation collation to set
*/
public function setCollation(string $collation): void
{
$charset = $GLOBALS['charset_connection'];
/* Automatically adjust collation if not supported by server */
if ($charset === 'utf8' && strncmp('utf8mb4_', $collation, 8) == 0) {
$collation = 'utf8_' . substr($collation, 8);
}
$result = $this->tryQuery(
"SET collation_connection = '"
. $this->escapeString($collation, self::CONNECT_USER)
. "';",
self::CONNECT_USER,
self::QUERY_STORE
);
if ($result === false) {
trigger_error(
__('Failed to set configured collation connection!'),
E_USER_WARNING
);
} else {
$GLOBALS['collation_connection'] = $collation;
}
}
/**
* This function checks and initializes the phpMyAdmin configuration
* storage state before it is used into session cache.
*
* @return void
*/
public function initRelationParamsCache()
{
if (strlen($GLOBALS['db'])) {
$cfgRelation = $this->relation->getRelationsParam();
if (empty($cfgRelation['db'])) {
$this->relation->fixPmaTables($GLOBALS['db'], false);
}
}
$cfgRelation = $this->relation->getRelationsParam();
if (! empty($cfgRelation['db']) || ! isset($GLOBALS['dblist'])) {
return;
}
if (! $GLOBALS['dblist']->databases->exists('phpmyadmin')) {
return;
}
$this->relation->fixPmaTables('phpmyadmin', false);
}
/**
* Function called just after a connection to the MySQL database server has
* been established. It sets the connection collation, and determines the
* version of MySQL which is running.
*/
public function postConnectControl(): void
{
// If Zero configuration mode enabled, check PMA tables in current db.
if ($GLOBALS['cfg']['ZeroConf'] != true) {
return;
}
/**
* the DatabaseList class as a stub for the ListDatabase class
*/
$GLOBALS['dblist'] = new DatabaseList();
$this->initRelationParamsCache();
}
/**
* returns a single value from the given result or query,
* if the query or the result has more than one row or field
* the first field of the first row is returned
*
* <code>
* $sql = 'SELECT `name` FROM `user` WHERE `id` = 123';
* $user_name = $dbi->fetchValue($sql);
* // produces
* // $user_name = 'John Doe'
* </code>
*
* @param string $query The query to execute
* @param int $row_number row to fetch the value from,
* starting at 0, with 0 being default
* @param int|string $field field to fetch the value from,
* starting at 0, with 0 being default
* @param int $link link type
*
* @return mixed value of first field in first row from result
* or false if not found
*/
public function fetchValue(
string $query,
int $row_number = 0,
$field = 0,
$link = self::CONNECT_USER
) {
$value = false;
$result = $this->tryQuery(
$query,
$link,
self::QUERY_STORE,
false
);
if ($result === false) {
return false;
}
// return false if result is empty or false
// or requested row is larger than rows in result
if ($this->numRows($result) < $row_number + 1) {
return $value;
}
// get requested row
for ($i = 0; $i <= $row_number; $i++) {
// if $field is an integer use non associative mysql fetch function
if (is_int($field)) {
$row = $this->fetchRow($result);
continue;
}
$row = $this->fetchAssoc($result);
}
$this->freeResult($result);
// return requested field
if (isset($row[$field])) {
$value = $row[$field];
}
return $value;
}
/**
* Returns only the first row from the result or null if result is empty.
*
* <code>
* $sql = 'SELECT * FROM `user` WHERE `id` = 123';
* $user = $dbi->fetchSingleRow($sql);
* // produces
* // $user = array('id' => 123, 'name' => 'John Doe')
* </code>
*
* @param string $query The query to execute
* @param string $type NUM|ASSOC|BOTH returned array should either numeric
* associative or both
* @param int $link link type
*/
public function fetchSingleRow(
string $query,
string $type = 'ASSOC',
$link = self::CONNECT_USER
): ?array {
$result = $this->tryQuery(
$query,
$link,
self::QUERY_STORE,
false
);
if ($result === false) {
return null;
}
if (! $this->numRows($result)) {
return null;
}
switch ($type) {
case 'NUM':
$row = $this->fetchRow($result);
break;
case 'ASSOC':
$row = $this->fetchAssoc($result);
break;
case 'BOTH':
default:
$row = $this->fetchArray($result);
break;
}
$this->freeResult($result);
return $row;
}
/**
* Returns row or element of a row
*
* @param array|string $row Row to process
* @param string|int|null $value Which column to return
*
* @return mixed
*/
private function fetchValueOrValueByIndex($row, $value)
{
return $value === null ? $row : $row[$value];
}
/**
* returns all rows in the resultset in one array
*
* <code>
* $sql = 'SELECT * FROM `user`';
* $users = $dbi->fetchResult($sql);
* // produces
* // $users[] = array('id' => 123, 'name' => 'John Doe')
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = $dbi->fetchResult($sql, 'id');
* // produces
* // $users['123'] = array('id' => 123, 'name' => 'John Doe')
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = $dbi->fetchResult($sql, 0);
* // produces
* // $users['123'] = array(0 => 123, 1 => 'John Doe')
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = $dbi->fetchResult($sql, 'id', 'name');
* // or
* $users = $dbi->fetchResult($sql, 0, 1);
* // produces
* // $users['123'] = 'John Doe'
*
* $sql = 'SELECT `name` FROM `user`';
* $users = $dbi->fetchResult($sql);
* // produces
* // $users[] = 'John Doe'
*
* $sql = 'SELECT `group`, `name` FROM `user`'
* $users = $dbi->fetchResult($sql, array('group', null), 'name');
* // produces
* // $users['admin'][] = 'John Doe'
*
* $sql = 'SELECT `group`, `name` FROM `user`'
* $users = $dbi->fetchResult($sql, array('group', 'name'), 'id');
* // produces
* // $users['admin']['John Doe'] = '123'
* </code>
*
* @param string $query query to execute
* @param string|int|array $key field-name or offset
* used as key for array
* or array of those
* @param string|int $value value-name or offset
* used as value for array
* @param int $link link type
* @param int $options query options
*
* @return array resultrows or values indexed by $key
*/
public function fetchResult(
string $query,
$key = null,
$value = null,
$link = self::CONNECT_USER,
int $options = 0
) {
$resultrows = [];
$result = $this->tryQuery($query, $link, $options, false);
// return empty array if result is empty or false
if ($result === false) {
return $resultrows;
}
$fetch_function = 'fetchAssoc';
// no nested array if only one field is in result
if ($key === null && $this->numFields($result) === 1) {
$value = 0;
$fetch_function = 'fetchRow';
}
// if $key is an integer use non associative mysql fetch function
if (is_int($key)) {
$fetch_function = 'fetchRow';
}
if ($key === null) {
while ($row = $this->$fetch_function($result)) {
$resultrows[] = $this->fetchValueOrValueByIndex($row, $value);
}
} else {
if (is_array($key)) {
while ($row = $this->$fetch_function($result)) {
$result_target =& $resultrows;
foreach ($key as $key_index) {
if ($key_index === null) {
$result_target =& $result_target[];
continue;
}
if (! isset($result_target[$row[$key_index]])) {
$result_target[$row[$key_index]] = [];
}
$result_target =& $result_target[$row[$key_index]];
}
$result_target = $this->fetchValueOrValueByIndex($row, $value);
}
} else {
while ($row = $this->$fetch_function($result)) {
$resultrows[$row[$key]] = $this->fetchValueOrValueByIndex($row, $value);
}
}
}
$this->freeResult($result);
return $resultrows;
}
/**
* Get supported SQL compatibility modes
*
* @return array supported SQL compatibility modes
*/
public function getCompatibilities(): array
{
$compats = ['NONE'];
$compats[] = 'ANSI';
$compats[] = 'DB2';
$compats[] = 'MAXDB';
$compats[] = 'MYSQL323';
$compats[] = 'MYSQL40';
$compats[] = 'MSSQL';
$compats[] = 'ORACLE';
// removed; in MySQL 5.0.33, this produces exports that
// can't be read by POSTGRESQL (see our bug #1596328)
//$compats[] = 'POSTGRESQL';
$compats[] = 'TRADITIONAL';
return $compats;
}
/**
* returns warnings for last query
*
* @param int $link link type
*
* @return array warnings
*/
public function getWarnings($link = self::CONNECT_USER): array
{
return $this->fetchResult('SHOW WARNINGS', null, null, $link);
}
/**
* returns an array of PROCEDURE or FUNCTION names for a db
*
* @param string $db db name
* @param string $which PROCEDURE | FUNCTION
* @param int $link link type
*
* @return array the procedure names or function names
*/
public function getProceduresOrFunctions(
string $db,
string $which,
$link = self::CONNECT_USER
): array {
$shows = $this->fetchResult(
'SHOW ' . $which . ' STATUS;',
null,
null,
$link
);
$result = [];
foreach ($shows as $one_show) {
if ($one_show['Db'] != $db || $one_show['Type'] != $which) {
continue;
}
$result[] = $one_show['Name'];
}
return $result;
}
/**
* returns the definition of a specific PROCEDURE, FUNCTION, EVENT or VIEW
*
* @param string $db db name
* @param string $which PROCEDURE | FUNCTION | EVENT | VIEW
* @param string $name the procedure|function|event|view name
* @param int $link link type
*
* @return string|null the definition
*/
public function getDefinition(
string $db,
string $which,
string $name,
$link = self::CONNECT_USER
): ?string {
$returned_field = [
'PROCEDURE' => 'Create Procedure',
'FUNCTION' => 'Create Function',
'EVENT' => 'Create Event',
'VIEW' => 'Create View',
];
$query = 'SHOW CREATE ' . $which . ' '
. Util::backquote($db) . '.'
. Util::backquote($name);
$result = $this->fetchValue($query, 0, $returned_field[$which], $link);
return is_string($result) ? $result : null;
}
/**
* returns details about the PROCEDUREs or FUNCTIONs for a specific database
* or details about a specific routine
*
* @param string $db db name
* @param string $which PROCEDURE | FUNCTION or null for both
* @param string $name name of the routine (to fetch a specific routine)
*
* @return array information about PROCEDUREs or FUNCTIONs
*/
public function getRoutines(
string $db,
?string $which = null,
string $name = ''
): array {
$routines = [];
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$query = QueryGenerator::getInformationSchemaRoutinesRequest(
$this->escapeString($db),
Core::isValid($which, ['FUNCTION', 'PROCEDURE']) ? $which : null,
empty($name) ? null : $this->escapeString($name)
);
$result = $this->fetchResult($query);
if (! empty($result)) {
$routines = $result;
}
} else {
if ($which === 'FUNCTION' || $which == null) {
$query = 'SHOW FUNCTION STATUS'
. " WHERE `Db` = '" . $this->escapeString($db) . "'";
if (! empty($name)) {
$query .= " AND `Name` = '"
. $this->escapeString($name) . "'";
}
$result = $this->fetchResult($query);
if (! empty($result)) {
$routines = array_merge($routines, $result);
}
}
if ($which === 'PROCEDURE' || $which == null) {
$query = 'SHOW PROCEDURE STATUS'
. " WHERE `Db` = '" . $this->escapeString($db) . "'";
if (! empty($name)) {
$query .= " AND `Name` = '"
. $this->escapeString($name) . "'";
}
$result = $this->fetchResult($query);
if (! empty($result)) {
$routines = array_merge($routines, $result);
}
}
}
$ret = [];
foreach ($routines as $routine) {
$one_result = [];
$one_result['db'] = $routine['Db'];
$one_result['name'] = $routine['Name'];
$one_result['type'] = $routine['Type'];
$one_result['definer'] = $routine['Definer'];
$one_result['returns'] = $routine['DTD_IDENTIFIER'] ?? '';
$ret[] = $one_result;
}
// Sort results by name
$name = [];
foreach ($ret as $value) {
$name[] = $value['name'];
}
array_multisort($name, SORT_ASC, $ret);
return $ret;
}
/**
* returns details about the EVENTs for a specific database
*
* @param string $db db name
* @param string $name event name
*
* @return array information about EVENTs
*/
public function getEvents(string $db, string $name = ''): array
{
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$query = QueryGenerator::getInformationSchemaEventsRequest(
$this->escapeString($db),
empty($name) ? null : $this->escapeString($name)
);
} else {
$query = 'SHOW EVENTS FROM ' . Util::backquote($db);
if (! empty($name)) {
$query .= " WHERE `Name` = '"
. $this->escapeString($name) . "'";
}
}
$result = [];
$events = $this->fetchResult($query);
foreach ($events as $event) {
$result[] = [
'name' => $event['Name'],
'type' => $event['Type'],
'status' => $event['Status'],
];
}
// Sort results by name
$name = [];
foreach ($result as $value) {
$name[] = $value['name'];
}
array_multisort($name, SORT_ASC, $result);
return $result;
}
/**
* returns details about the TRIGGERs for a specific table or database
*
* @param string $db db name
* @param string $table table name
* @param string $delimiter the delimiter to use (may be empty)
*
* @return array information about triggers (may be empty)
*/
public function getTriggers(string $db, string $table = '', $delimiter = '//')
{
$result = [];
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$query = QueryGenerator::getInformationSchemaTriggersRequest(
$this->escapeString($db),
empty($table) ? null : $this->escapeString($table)
);
} else {
$query = 'SHOW TRIGGERS FROM ' . Util::backquote($db);
if (! empty($table)) {
$query .= " LIKE '" . $this->escapeString($table) . "';";
}
}
$triggers = $this->fetchResult($query);
foreach ($triggers as $trigger) {
if ($GLOBALS['cfg']['Server']['DisableIS']) {
$trigger['TRIGGER_NAME'] = $trigger['Trigger'];
$trigger['ACTION_TIMING'] = $trigger['Timing'];
$trigger['EVENT_MANIPULATION'] = $trigger['Event'];
$trigger['EVENT_OBJECT_TABLE'] = $trigger['Table'];
$trigger['ACTION_STATEMENT'] = $trigger['Statement'];
$trigger['DEFINER'] = $trigger['Definer'];
}
$one_result = [];
$one_result['name'] = $trigger['TRIGGER_NAME'];
$one_result['table'] = $trigger['EVENT_OBJECT_TABLE'];
$one_result['action_timing'] = $trigger['ACTION_TIMING'];
$one_result['event_manipulation'] = $trigger['EVENT_MANIPULATION'];
$one_result['definition'] = $trigger['ACTION_STATEMENT'];
$one_result['definer'] = $trigger['DEFINER'];
// do not prepend the schema name; this way, importing the
// definition into another schema will work
$one_result['full_trigger_name'] = Util::backquote(
$trigger['TRIGGER_NAME']
);
$one_result['drop'] = 'DROP TRIGGER IF EXISTS '
. $one_result['full_trigger_name'];
$one_result['create'] = 'CREATE TRIGGER '
. $one_result['full_trigger_name'] . ' '
. $trigger['ACTION_TIMING'] . ' '
. $trigger['EVENT_MANIPULATION']
. ' ON ' . Util::backquote($trigger['EVENT_OBJECT_TABLE'])
. "\n" . ' FOR EACH ROW '
. $trigger['ACTION_STATEMENT'] . "\n" . $delimiter . "\n";
$result[] = $one_result;
}
// Sort results by name
$name = [];
foreach ($result as $value) {
$name[] = $value['name'];
}
array_multisort($name, SORT_ASC, $result);
return $result;
}
/**
* gets the current user with host
*
* @return string the current user i.e. user@host
*/
public function getCurrentUser(): string
{
if (SessionCache::has('mysql_cur_user')) {
return SessionCache::get('mysql_cur_user');
}
$user = $this->fetchValue('SELECT CURRENT_USER();');
if ($user !== false) {
SessionCache::set('mysql_cur_user', $user);
return $user;
}
return '@';
}
public function isSuperUser(): bool
{
if (SessionCache::has('is_superuser')) {
return SessionCache::get('is_superuser');
}
if (! $this->isConnected()) {
return false;
}
$result = $this->tryQuery(
'SELECT 1 FROM mysql.user LIMIT 1',
self::CONNECT_USER,
self::QUERY_STORE
);
$isSuperUser = false;
if ($result) {
$isSuperUser = (bool) $this->numRows($result);
}
$this->freeResult($result);
SessionCache::set('is_superuser', $isSuperUser);
return $isSuperUser;
}
public function isGrantUser(): bool
{
global $cfg;
if (SessionCache::has('is_grantuser')) {
return SessionCache::get('is_grantuser');
}
if (! $this->isConnected()) {
return false;
}
$hasGrantPrivilege = false;
if ($cfg['Server']['DisableIS']) {
$grants = $this->getCurrentUserGrants();
foreach ($grants as $grant) {
if (strpos($grant, 'WITH GRANT OPTION') !== false) {
$hasGrantPrivilege = true;
break;
}
}
SessionCache::set('is_grantuser', $hasGrantPrivilege);
return $hasGrantPrivilege;
}
[$user, $host] = $this->getCurrentUserAndHost();
$query = QueryGenerator::getInformationSchemaDataForGranteeRequest($user, $host);
$result = $this->tryQuery($query, self::CONNECT_USER, self::QUERY_STORE);
if ($result) {
$hasGrantPrivilege = (bool) $this->numRows($result);
}
$this->freeResult($result);
SessionCache::set('is_grantuser', $hasGrantPrivilege);
return $hasGrantPrivilege;
}
public function isCreateUser(): bool
{
global $cfg;
if (SessionCache::has('is_createuser')) {
return SessionCache::get('is_createuser');
}
if (! $this->isConnected()) {
return false;
}
$hasCreatePrivilege = false;
if ($cfg['Server']['DisableIS']) {
$grants = $this->getCurrentUserGrants();
foreach ($grants as $grant) {
if (strpos($grant, 'ALL PRIVILEGES ON *.*') !== false
|| strpos($grant, 'CREATE USER') !== false
) {
$hasCreatePrivilege = true;
break;
}
}
SessionCache::set('is_createuser', $hasCreatePrivilege);
return $hasCreatePrivilege;
}
[$user, $host] = $this->getCurrentUserAndHost();
$query = QueryGenerator::getInformationSchemaDataForCreateRequest($user, $host);
$result = $this->tryQuery($query, self::CONNECT_USER, self::QUERY_STORE);
if ($result) {
$hasCreatePrivilege = (bool) $this->numRows($result);
}
$this->freeResult($result);
SessionCache::set('is_createuser', $hasCreatePrivilege);
return $hasCreatePrivilege;
}
public function isConnected(): bool
{
return isset($this->links[self::CONNECT_USER]);
}
private function getCurrentUserGrants(): array
{
return $this->fetchResult(
'SHOW GRANTS FOR CURRENT_USER();',
null,
null,
self::CONNECT_USER,
self::QUERY_STORE
);
}
/**
* Get the current user and host
*
* @return array array of username and hostname
*/
public function getCurrentUserAndHost(): array
{
if (count($this->currentUser) === 0) {
$user = $this->getCurrentUser();
$this->currentUser = explode('@', $user);
}
return $this->currentUser;
}
/**
* Returns value for lower_case_table_names variable
*
* @return string|bool
*/
public function getLowerCaseNames()
{
if ($this->lowerCaseTableNames === null) {
$this->lowerCaseTableNames = $this->fetchValue(
'SELECT @@lower_case_table_names'
);
}
return $this->lowerCaseTableNames;
}
/**
* connects to the database server
*
* @param int $mode Connection mode on of CONNECT_USER, CONNECT_CONTROL
* or CONNECT_AUXILIARY.
* @param array|null $server Server information like host/port/socket/persistent
* @param int $target How to store connection link, defaults to $mode
*
* @return mixed false on error or a connection object on success
*/
public function connect(int $mode, ?array $server = null, ?int $target = null)
{
[$user, $password, $server] = Config::getConnectionParams($mode, $server);
if ($target === null) {
$target = $mode;
}
if ($user === null || $password === null) {
trigger_error(
__('Missing connection parameters!'),
E_USER_WARNING
);
return false;
}
// Do not show location and backtrace for connection errors
$GLOBALS['error_handler']->setHideLocation(true);
$result = $this->extension->connect(
$user,
$password,
$server
);
$GLOBALS['error_handler']->setHideLocation(false);
if ($result) {
$this->links[$target] = $result;
/* Run post connect for user connections */
if ($target == self::CONNECT_USER) {
$this->postConnect();
}
return $result;
}
if ($mode == self::CONNECT_CONTROL) {
trigger_error(
__(
'Connection for controluser as defined in your '
. 'configuration failed.'
),
E_USER_WARNING
);
return false;
}
if ($mode == self::CONNECT_AUXILIARY) {
// Do not go back to main login if connection failed
// (currently used only in unit testing)
return false;
}
return $result;
}
/**
* selects given database
*
* @param string $dbname database name to select
* @param int $link link type
*/
public function selectDb(string $dbname, $link = self::CONNECT_USER): bool
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->selectDb($dbname, $this->links[$link]);
}
/**
* returns array of rows with associative and numeric keys from $result
*
* @param object $result result set identifier
*/
public function fetchArray($result): ?array
{
return $this->extension->fetchArray($result);
}
/**
* returns array of rows with associative keys from $result
*
* @param object $result result set identifier
*/
public function fetchAssoc($result): ?array
{
return $this->extension->fetchAssoc($result);
}
/**
* returns array of rows with numeric keys from $result
*
* @param object $result result set identifier
*/
public function fetchRow($result): ?array
{
return $this->extension->fetchRow($result);
}
/**
* Adjusts the result pointer to an arbitrary row in the result
*
* @param object $result database result
* @param int $offset offset to seek
*
* @return bool true on success, false on failure
*/
public function dataSeek($result, int $offset): bool
{
return $this->extension->dataSeek($result, $offset);
}
/**
* Frees memory associated with the result
*
* @param object $result database result
*/
public function freeResult($result): void
{
$this->extension->freeResult($result);
}
/**
* Check if there are any more query results from a multi query
*
* @param int $link link type
*
* @return bool true or false
*/
public function moreResults($link = self::CONNECT_USER): bool
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->moreResults($this->links[$link]);
}
/**
* Prepare next result from multi_query
*
* @param int $link link type
*
* @return bool true or false
*/
public function nextResult($link = self::CONNECT_USER): bool
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->nextResult($this->links[$link]);
}
/**
* Store the result returned from multi query
*
* @param int $link link type
*
* @return mixed false when empty results / result set when not empty
*/
public function storeResult($link = self::CONNECT_USER)
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->storeResult($this->links[$link]);
}
/**
* Returns a string representing the type of connection used
*
* @param int $link link type
*
* @return string|bool type of connection used
*/
public function getHostInfo($link = self::CONNECT_USER)
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->getHostInfo($this->links[$link]);
}
/**
* Returns the version of the MySQL protocol used
*
* @param int $link link type
*
* @return int|bool version of the MySQL protocol used
*/
public function getProtoInfo($link = self::CONNECT_USER)
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->getProtoInfo($this->links[$link]);
}
/**
* returns a string that represents the client library version
*
* @param int $link link type
*
* @return string MySQL client library version
*/
public function getClientInfo($link = self::CONNECT_USER): string
{
if (! isset($this->links[$link])) {
return '';
}
return $this->extension->getClientInfo($this->links[$link]);
}
/**
* returns last error message or false if no errors occurred
*
* @param int $link link type
*
* @return string|bool error or false
*/
public function getError($link = self::CONNECT_USER)
{
if (! isset($this->links[$link])) {
return false;
}
return $this->extension->getError($this->links[$link]);
}
/**
* returns the number of rows returned by last query
*
* @param object $result result set identifier
*
* @return string|int
*/
public function numRows($result)
{
return $this->extension->numRows($result);
}
/**
* returns last inserted auto_increment id for given $link
* or $GLOBALS['userlink']
*
* @param int $link link type
*
* @return int|bool
*/
public function insertId($link = self::CONNECT_USER)
{
// If the primary key is BIGINT we get an incorrect result
// (sometimes negative, sometimes positive)
// and in the present function we don't know if the PK is BIGINT
// so better play safe and use LAST_INSERT_ID()
//
// When no controluser is defined, using mysqli_insert_id($link)
// does not always return the last insert id due to a mixup with
// the tracking mechanism, but this works:
return $this->fetchValue('SELECT LAST_INSERT_ID();', 0, 0, $link);
}
/**
* returns the number of rows affected by last query
*
* @param int $link link type
* @param bool $get_from_cache whether to retrieve from cache
*
* @return int|bool
*/
public function affectedRows(
$link = self::CONNECT_USER,
bool $get_from_cache = true
) {
if (! isset($this->links[$link])) {
return false;
}
if ($get_from_cache) {
return $GLOBALS['cached_affected_rows'];
}
return $this->extension->affectedRows($this->links[$link]);
}
/**
* returns metainfo for fields in $result
*
* @param object $result result set identifier
*
* @return mixed meta info for fields in $result
*/
public function getFieldsMeta($result)
{
$result = $this->extension->getFieldsMeta($result);
if ($this->getLowerCaseNames() === '2') {
/**
* Fixup orgtable for lower_case_table_names = 2
*
* In this setup MySQL server reports table name lower case
* but we still need to operate on original case to properly
* match existing strings
*/
foreach ($result as $value) {
if (strlen($value->orgtable) === 0 ||
mb_strtolower($value->orgtable) !== mb_strtolower($value->table)
) {
continue;
}
$value->orgtable = $value->table;
}
}
return $result;
}
/**
* return number of fields in given $result
*
* @param object $result result set identifier
*
* @return int field count
*/
public function numFields($result): int
{
return $this->extension->numFields($result);
}
/**
* returns the length of the given field $i in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return int|bool length of field
*/
public function fieldLen($result, int $i)
{
return $this->extension->fieldLen($result, $i);
}
/**
* returns name of $i. field in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return string name of $i. field in $result
*/
public function fieldName($result, int $i): string
{
return $this->extension->fieldName($result, $i);
}
/**
* returns concatenated string of human readable field flags
*
* @param object $result result set identifier
* @param int $i field
*
* @return string field flags
*/
public function fieldFlags($result, $i): string
{
return $this->extension->fieldFlags($result, $i);
}
/**
* returns properly escaped string for use in MySQL queries
*
* @param string $str string to be escaped
* @param mixed $link optional database link to use
*
* @return string a MySQL escaped string
*/
public function escapeString(string $str, $link = self::CONNECT_USER)
{
if ($this->extension === null || ! isset($this->links[$link])) {
return $str;
}
return $this->extension->escapeString($this->links[$link], $str);
}
/**
* Checks if this database server is running on Amazon RDS.
*/
public function isAmazonRds(): bool
{
if (SessionCache::has('is_amazon_rds')) {
return SessionCache::get('is_amazon_rds');
}
$sql = 'SELECT @@basedir';
$result = $this->fetchValue($sql);
$rds = (substr($result, 0, 10) === '/rdsdbbin/');
SessionCache::set('is_amazon_rds', $rds);
return $rds;
}
/**
* Gets SQL for killing a process.
*
* @param int $process Process ID
*/
public function getKillQuery(int $process): string
{
if ($this->isAmazonRds()) {
return 'CALL mysql.rds_kill(' . $process . ');';
}
return 'KILL ' . $process . ';';
}
/**
* Get the phpmyadmin database manager
*/
public function getSystemDatabase(): SystemDatabase
{
return new SystemDatabase($this);
}
/**
* Get a table with database name and table name
*
* @param string $db_name DB name
* @param string $table_name Table name
*/
public function getTable(string $db_name, string $table_name): Table
{
return new Table($table_name, $db_name, $this);
}
/**
* returns collation of given db
*
* @param string $db name of db
*
* @return string collation of $db
*/
public function getDbCollation(string $db): string
{
if (Utilities::isSystemSchema($db)) {
// We don't have to check the collation of the virtual
// information_schema database: We know it!
return 'utf8_general_ci';
}
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
// this is slow with thousands of databases
$sql = 'SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA'
. ' WHERE SCHEMA_NAME = \'' . $this->escapeString($db)
. '\' LIMIT 1';
return $this->fetchValue($sql);
}
$this->selectDb($db);
$return = $this->fetchValue('SELECT @@collation_database');
if ($db !== $GLOBALS['db']) {
$this->selectDb($GLOBALS['db']);
}
return $return;
}
/**
* returns default server collation from show variables
*/
public function getServerCollation(): string
{
return $this->fetchValue('SELECT @@collation_server');
}
/**
* Server version as number
*
* @example 80011
*/
public function getVersion(): int
{
return $this->versionInt;
}
/**
* Server version
*/
public function getVersionString(): string
{
return $this->versionString;
}
/**
* Server version comment
*/
public function getVersionComment(): string
{
return $this->versionComment;
}
/**
* Whether connection is MariaDB
*/
public function isMariaDB(): bool
{
return $this->isMariaDb;
}
/**
* Whether connection is PerconaDB
*/
public function isPercona(): bool
{
return $this->isPercona;
}
/**
* Load correct database driver
*
* @param DbiExtension|null $extension Force the use of an alternative extension
*/
public static function load(?DbiExtension $extension = null): self
{
if ($extension !== null) {
return new self($extension);
}
if (! Util::checkDbExtension('mysqli')) {
$docLink = sprintf(
__('See %sour documentation%s for more information.'),
'[doc@faqmysql]',
'[/doc]'
);
Core::warnMissingExtension(
'mysqli',
true,
$docLink
);
}
return new self(new DbiMysqli());
}
/**
* Prepare an SQL statement for execution.
*
* @param string $query The query, as a string.
* @param int $link Link type.
*
* @return object|false A statement object or false.
*/
public function prepare(string $query, $link = self::CONNECT_USER)
{
return $this->extension->prepare($this->links[$link], $query);
}
}
| N4m3 |
5!z3 |
L45t M0d!f!3d |
0wn3r / Gr0up |
P3Rm!55!0n5 |
0pt!0n5 |
| .. |
-- |
June 04 2021 06:17:17 |
bitnami / daemon |
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| Charsets |
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June 04 2021 06:17:17 |
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| Command |
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June 04 2021 06:17:17 |
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| Config |
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June 04 2021 06:17:17 |
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| Controllers |
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June 04 2021 06:17:17 |
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| Database |
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| Dbal |
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| Display |
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June 04 2021 06:17:17 |
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| Engines |
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June 04 2021 06:17:17 |
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| Exceptions |
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June 04 2021 06:17:17 |
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| Export |
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| Gis |
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June 04 2021 06:17:17 |
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| Html |
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| Import |
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| Navigation |
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| Plugins |
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| Properties |
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| Providers |
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| Query |
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June 04 2021 06:17:17 |
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| Server |
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June 04 2021 06:17:17 |
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| Setup |
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June 04 2021 06:17:17 |
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| Table |
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June 04 2021 06:17:17 |
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| Twig |
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June 04 2021 06:17:17 |
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| Utils |
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June 04 2021 06:17:17 |
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| | | | | |
| Advisor.php |
12.224 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| Bookmark.php |
10.688 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| BrowseForeigners.php |
10.823 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| Charsets.php |
7.097 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| CheckUserPrivileges.php |
11.943 KB |
June 04 2021 06:10:00 |
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0664 |
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| Config.php |
45.367 KB |
June 04 2021 06:10:00 |
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| Console.php |
3.379 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
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| Core.php |
42.328 KB |
June 04 2021 06:10:00 |
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| CreateAddField.php |
17.571 KB |
June 04 2021 06:10:00 |
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| DatabaseInterface.php |
75.002 KB |
June 04 2021 06:10:00 |
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| DbTableExists.php |
3.21 KB |
June 04 2021 06:10:00 |
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| Encoding.php |
8.511 KB |
June 04 2021 06:10:00 |
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| Error.php |
13.969 KB |
June 04 2021 06:10:00 |
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| ErrorHandler.php |
17.146 KB |
June 04 2021 06:10:00 |
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| ErrorReport.php |
9.145 KB |
June 04 2021 06:10:00 |
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| Export.php |
46.241 KB |
June 04 2021 06:10:00 |
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| File.php |
21.275 KB |
June 04 2021 06:10:00 |
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| FileListing.php |
2.854 KB |
June 04 2021 06:10:00 |
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| Font.php |
5.584 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
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| Footer.php |
10.541 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| Git.php |
17.95 KB |
June 04 2021 06:10:00 |
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| Header.php |
21.452 KB |
June 04 2021 06:10:00 |
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| Import.php |
57.461 KB |
June 04 2021 06:10:00 |
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| Index.php |
15.066 KB |
June 04 2021 06:10:00 |
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| IndexColumn.php |
4.229 KB |
June 04 2021 06:10:00 |
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| InsertEdit.php |
130.185 KB |
June 04 2021 06:10:00 |
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| InternalRelations.php |
17.314 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
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| IpAllowDeny.php |
9.763 KB |
June 04 2021 06:10:00 |
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| Language.php |
4.461 KB |
June 04 2021 06:10:00 |
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0664 |
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| LanguageManager.php |
23.957 KB |
June 04 2021 06:10:00 |
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0664 |
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| Linter.php |
5.248 KB |
June 04 2021 06:10:00 |
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| ListAbstract.php |
1.771 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
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| ListDatabase.php |
4.299 KB |
June 04 2021 06:10:00 |
bitnami / daemon |
0664 |
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| Logging.php |
2.716 KB |
June 04 2021 06:10:00 |
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| Menu.php |
21.301 KB |
June 04 2021 06:10:00 |
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| Message.php |
19.089 KB |
June 04 2021 06:10:00 |
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| Mime.php |
0.895 KB |
June 04 2021 06:10:00 |
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| Normalization.php |
41.479 KB |
June 04 2021 06:10:00 |
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| OpenDocument.php |
8.414 KB |
June 04 2021 06:10:00 |
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| Operations.php |
37.84 KB |
June 04 2021 06:10:00 |
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| OutputBuffering.php |
3.979 KB |
June 04 2021 06:10:00 |
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| ParseAnalyze.php |
2.372 KB |
June 04 2021 06:10:00 |
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| Partition.php |
7.168 KB |
June 04 2021 06:10:00 |
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| Pdf.php |
4.345 KB |
June 04 2021 06:10:00 |
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| Plugins.php |
25.114 KB |
June 04 2021 06:10:00 |
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| Profiling.php |
2.263 KB |
June 04 2021 06:10:00 |
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| RecentFavoriteTable.php |
12.009 KB |
June 04 2021 06:10:00 |
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| Relation.php |
77.39 KB |
June 04 2021 06:10:00 |
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| RelationCleanup.php |
14.698 KB |
June 04 2021 06:10:00 |
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| Replication.php |
4.729 KB |
June 04 2021 06:10:00 |
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| ReplicationGui.php |
21.521 KB |
June 04 2021 06:10:00 |
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| ReplicationInfo.php |
4.827 KB |
June 04 2021 06:10:00 |
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| Response.php |
16.469 KB |
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| Routing.php |
5.708 KB |
June 04 2021 06:10:00 |
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| Sanitize.php |
12.127 KB |
June 04 2021 06:10:00 |
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| SavedSearches.php |
11.935 KB |
June 04 2021 06:10:00 |
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| Scripts.php |
3.639 KB |
June 04 2021 06:10:00 |
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| Session.php |
8.006 KB |
June 04 2021 06:10:00 |
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| Sql.php |
66.672 KB |
June 04 2021 06:10:00 |
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| SqlQueryForm.php |
7.115 KB |
June 04 2021 06:10:00 |
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| StorageEngine.php |
12.527 KB |
June 04 2021 06:10:00 |
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| SubPartition.php |
3.318 KB |
June 04 2021 06:10:00 |
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| SystemDatabase.php |
3.66 KB |
June 04 2021 06:10:00 |
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| Table.php |
95.665 KB |
June 04 2021 06:10:00 |
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| TablePartitionDefinition.php |
6.508 KB |
June 04 2021 06:10:00 |
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| Template.php |
3.869 KB |
June 04 2021 06:10:00 |
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| Theme.php |
8.759 KB |
June 04 2021 06:10:00 |
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| ThemeManager.php |
9.585 KB |
June 04 2021 06:10:00 |
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0664 |
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| Tracker.php |
29.782 KB |
June 04 2021 06:10:00 |
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| Tracking.php |
37.247 KB |
June 04 2021 06:10:00 |
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| Transformations.php |
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| TwoFactor.php |
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| Types.php |
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| Url.php |
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| UserPassword.php |
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| UserPreferences.php |
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| Util.php |
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| Version.php |
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| VersionInformation.php |
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| ZipExtension.php |
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