Viewing file:  List_Database.class.php (18.14 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* holds the PMA_List_Database class
*
* @package phpMyAdmin
*/
/**
* the list base class
*/
require_once './libraries/List.class.php';
/**
* handles database lists
*
* <code>
* $PMA_List_Database = new PMA_List_Database($userlink, $controllink);
* </code>
*
* @todo this object should be attached to the PMA_Server object
* @todo ? make use of INFORMATION_SCHEMA
* @todo ? support --skip-showdatabases and user has only global rights
* @access public
* @since phpMyAdmin 2.9.10
* @package phpMyAdmin
*/
/*public*/ class PMA_List_Database extends PMA_List
{
/**
* @var mixed database link resource|object to be used
*/
protected $_db_link = null;
/**
* @var mixed user database link resource|object
*/
protected $_db_link_user = null;
/**
* @var mixed controluser database link resource|object
*/
protected $_db_link_control = null;
/**
* @var boolean whether SHOW DATABASES is disabled or not
* @access protected
*/
protected $_show_databases_disabled = false;
/**
* @var string command to retrieve databases from server
*/
protected $_command = null;
/**
* Constructor
*
* @uses PMA_List_Database::$_db_link
* @uses PMA_List_Database::$_db_link_user
* @uses PMA_List_Database::$_db_link_control
* @uses PMA_List_Database::build()
* @param mixed $db_link_user user database link resource|object
* @param mixed $db_link_control control database link resource|object
*/
public function __construct($db_link_user = null, $db_link_control = null)
{
$this->_db_link = $db_link_user;
$this->_db_link_user = $db_link_user;
$this->_db_link_control = $db_link_control;
parent::__construct();
$this->build();
}
/**
* checks if the configuration wants to hide some databases
*
* @todo temporaly use this docblock to test how to doc $GLOBALS
* @uses PMA_List_Database::$items
* @uses preg_match()
* @uses $cfg['Server']['hide_db']
*/
protected function _checkHideDatabase()
{
if (empty($GLOBALS['cfg']['Server']['hide_db'])) {
return;
}
foreach ($this->getArrayCopy() as $key => $db) {
if (preg_match('/' . $GLOBALS['cfg']['Server']['hide_db'] . '/', $db)) {
$this->offsetUnset($key);
}
}
}
/**
* retrieves database list from server
*
* @todo we could also search mysql tables if all fail?
* @uses PMA_List_Database::$_show_databases_disabled for not retrying if SHOW DATABASES is disabled
* @uses PMA_List_Database::$_db_link
* @uses PMA_List_Database::$_db_link_control in case of SHOW DATABASES is disabled for userlink
* @uses PMA_DBI_fetch_result()
* @uses PMA_DBI_getError()
* @uses natsort()
* @uses sort()
* @uses $cfg['NaturalOrder']
* @uses $GLOBALS['error_showdatabases']
* @uses $GLOBALS['errno']
* @param string $like_db_name usally a db_name containing wildcards
*/
protected function _retrieve($like_db_name = null)
{
if ($this->_show_databases_disabled) {
return array();
}
if (null !== $like_db_name) {
$command = "SHOW DATABASES LIKE '" . $like_db_name . "'";
} elseif (null === $this->_command) {
$command = str_replace('#user#', $GLOBALS['cfg']['Server']['user'],
$GLOBALS['cfg']['Server']['ShowDatabasesCommand']);
$this->_command = $command;
} else {
$command = $this->_command;
}
$database_list = PMA_DBI_fetch_result($command, null, null, $this->_db_link);
PMA_DBI_getError();
if ($GLOBALS['errno'] !== 0) {
// failed to get database list, try the control user
// (hopefully there is one and he has SHOW DATABASES right)
$this->_db_link = $this->_db_link_control;
$database_list = PMA_DBI_fetch_result($command, null, null, $this->_db_link);
PMA_DBI_getError();
if ($GLOBALS['errno'] !== 0) {
// failed! we will display a warning that phpMyAdmin could not safely
// retrieve database list, the admin has to setup a control user or
// allow SHOW DATABASES
$GLOBALS['error_showdatabases'] = true;
$this->_show_databases_disabled = true;
}
}
if ($GLOBALS['cfg']['NaturalOrder']) {
natsort($database_list);
} else {
// need to sort anyway, otherwise information_schema
// goes at the top
sort($database_list);
}
return $database_list;
}
/**
* builds up the list
*
* @uses PMA_List_Database::$items to initialize it
* @uses PMA_List_Database::_checkOnlyDatabase()
* @uses PMA_List_Database::_retrieve()
* @uses PMA_List_Database::_checkHideDatabase()
* @uses exchangeArray()
*/
public function build()
{
if (! $this->_checkOnlyDatabase()) {
$items = $this->_retrieve();
$this->exchangeArray($items);
}
$this->_checkHideDatabase();
}
/**
* checks the only_db configuration
*
* @uses PMA_List_Database::$_show_databases_disabled
* @uses PMA_List_Database::$items
* @uses PMA_List_Database::_retrieve()
* @uses PMA_unescape_mysql_wildcards()
* @uses preg_match()
* @uses array_diff()
* @uses array_merge()
* @uses is_array()
* @uses strlen()
* @uses is_string()
* @uses $cfg['Server']['only_db']
* @return boolean false if there is no only_db, otherwise true
*/
protected function _checkOnlyDatabase()
{
if (is_string($GLOBALS['cfg']['Server']['only_db'])
&& strlen($GLOBALS['cfg']['Server']['only_db'])) {
$GLOBALS['cfg']['Server']['only_db'] = array(
$GLOBALS['cfg']['Server']['only_db']
);
}
if (! is_array($GLOBALS['cfg']['Server']['only_db'])) {
return false;
}
$items = array();
foreach ($GLOBALS['cfg']['Server']['only_db'] as $each_only_db) {
if ($each_only_db === '*' && ! $this->_show_databases_disabled) {
// append all not already listed dbs to the list
$items = array_merge($items,
array_diff($this->_retrieve(), $items));
// there can only be one '*', and this can only be last
break;
}
// check if the db name contains wildcard,
// thus containing not escaped _ or %
if (! preg_match('/(^|[^\\\\])(_|%)/', $each_only_db)) {
// ... not contains wildcard
$items[] = PMA_unescape_mysql_wildcards($each_only_db);
continue;
}
if (! $this->_show_databases_disabled) {
$items = array_merge($items, $this->_retrieve($each_only_db));
continue;
}
// @todo induce error, about not using wildcards with SHOW DATABASE disabled?
}
$this->exchangeArray($items);
return true;
}
/**
* returns default item
*
* @uses PMA_List::getEmpty()
* @uses $GLOBALS['db']
* @uses strlen()
* @return string default item
*/
public function getDefault()
{
if (strlen($GLOBALS['db'])) {
return $GLOBALS['db'];
}
return $this->getEmpty();
}
/**
* returns array with dbs grouped with extended infos
*
* @uses $GLOBALS['PMA_List_Database']
* @uses $GLOBALS['cfgRelation']['commwork']
* @uses $cfg['ShowTooltip']
* @uses $cfg['LeftFrameDBTree']
* @uses $cfg['LeftFrameDBSeparator']
* @uses $cfg['ShowTooltipAliasDB']
* @uses PMA_getTableCount()
* @uses PMA_getDbComment()
* @uses is_array()
* @uses implode()
* @uses strstr()
* @uses explode()
* @param integer $offset
* @param integer $count
* @return array db list
*/
public function getGroupedDetails($offset, $count)
{
$dbgroups = array();
$parts = array();
if ($GLOBALS['cfg']['ShowTooltip']
&& $GLOBALS['cfgRelation']['commwork']) {
$db_tooltips = PMA_getDbComments();
}
if (!$GLOBALS['cfg']['LeftFrameDBTree']) {
$separators = array();
} elseif (is_array($GLOBALS['cfg']['LeftFrameDBSeparator'])) {
$separators = $GLOBALS['cfg']['LeftFrameDBSeparator'];
} elseif (!empty($GLOBALS['cfg']['LeftFrameDBSeparator'])) {
$separators = array($GLOBALS['cfg']['LeftFrameDBSeparator']);
} else {
$separators = array();
}
foreach ($this->getLimitedItems($offset, $count) as $key => $db) {
// Get comments from PMA comments table
$db_tooltip = '';
if (isset($db_tooltips[$db])) {
$db_tooltip = $db_tooltips[$db];
}
$pos = false;
foreach($separators as $separator) {
// use strpos instead of strrpos; it seems more common to
// have the db name, the separator, then the rest which
// might contain a separator
// like dbname_the_rest
$pos = strpos($db, $separator, 1);
if ($pos !== false) {
break;
}
}
if ($pos !== false) {
$group = substr($db, 0, $pos);
$disp_name_cut = substr($db, $pos);
} else {
$group = $db;
$disp_name_cut = $db;
}
$disp_name = $db;
if ($db_tooltip && $GLOBALS['cfg']['ShowTooltipAliasDB']) {
$disp_name = $db_tooltip;
$disp_name_cut = $db_tooltip;
$db_tooltip = $db;
}
$dbgroups[$group][$db] = array(
'name' => $db,
'disp_name_cut' => $disp_name_cut,
'disp_name' => $disp_name,
'comment' => $db_tooltip,
);
if ($GLOBALS['cfg']['Server']['CountTables']) {
$dbgroups[$group][$db]['num_tables'] = PMA_getTableCount($db);
}
} // end foreach ($GLOBALS['PMA_List_Database']->items as $db)
return $dbgroups;
}
/**
* returns a part of the items
*
* @uses array_slice()
* @param integer $offset
* @param integer $count
* @return array some items
*/
public function getLimitedItems($offset, $count)
{
return array_slice($this->getArrayCopy(), $offset, $count);
}
/**
* returns html code for list with dbs
*
* @return string html code list
*/
public function getHtmlListGrouped($selected = '', $offset, $count)
{
if (true === $selected) {
$selected = $this->getDefault();
}
$return = '<ul id="databaseList" xml:lang="en" dir="ltr">' . "\n";
foreach ($this->getGroupedDetails($offset, $count) as $group => $dbs) {
if (count($dbs) > 1) {
$return .= '<li class="group"><span>' . htmlspecialchars($group) . '</span><ul>' . "\n";
// whether display db_name cut by the group part
$cut = true;
} else {
// .. or full
$cut = false;
}
foreach ($dbs as $db) {
$return .= '<li';
if ($db['name'] == $selected) {
$return .= ' class="selected"';
}
$return .= '><a';
if (! empty($db['comment'])) {
$return .= ' title="' . htmlspecialchars($db['comment']) . '"';
}
$return .= ' href="index.php?' . PMA_generate_common_url($db['name'])
. '" target="_parent">';
if ($cut) {
$return .= htmlspecialchars($db['disp_name_cut']);
} else {
$return .= htmlspecialchars($db['disp_name']);
}
if (! empty($db['num_tables'])) {
$return .= ' (' . $db['num_tables'] . ')';
}
$return .= '</a></li>' . "\n";
}
if (count($dbs) > 1) {
$return .= '</ul></li>' . "\n";
}
}
$return .= '</ul>';
return $return;
}
/**
* returns html code for select form element with dbs
*
* @todo IE can not handle different text directions in select boxes so,
* as mostly names will be in english, we set the whole selectbox to LTR
* and EN
*
* @return string html code select
*/
public function getHtmlSelectGrouped($selected = '', $offset, $count)
{
if (true === $selected) {
$selected = $this->getDefault();
}
$return = '<select name="db" id="lightm_db" xml:lang="en" dir="ltr"'
. ' onchange="if (this.value != \'\') window.parent.openDb(this.value);">' . "\n"
. '<option value="" dir="' . $GLOBALS['text_dir'] . '">'
. '(' . __('Databases') . ') ...</option>' . "\n";
foreach ($this->getGroupedDetails($offset, $count) as $group => $dbs) {
if (count($dbs) > 1) {
$return .= '<optgroup label="' . htmlspecialchars($group)
. '">' . "\n";
// whether display db_name cuted by the group part
$cut = true;
} else {
// .. or full
$cut = false;
}
foreach ($dbs as $db) {
$return .= '<option value="' . htmlspecialchars($db['name']) . '"'
.' title="' . htmlspecialchars($db['comment']) . '"';
if ($db['name'] == $selected) {
$return .= ' selected="selected"';
}
$return .= '>' . htmlspecialchars($cut ? $db['disp_name_cut'] : $db['disp_name']);
if (! empty($db['num_tables'])) {
$return .= ' (' . $db['num_tables'] . ')';
}
$return .= '</option>' . "\n";
}
if (count($dbs) > 1) {
$return .= '</optgroup>' . "\n";
}
}
$return .= '</select>';
return $return;
}
/**
* this is just a backup, if all is fine this can be deleted later
*
* @deprecated
*/
protected function _checkAgainstPrivTables()
{
// 1. get allowed dbs from the "mysql.db" table
// User can be blank (anonymous user)
$local_query = "
SELECT DISTINCT `Db` FROM `mysql`.`db`
WHERE `Select_priv` = 'Y'
AND `User`
IN ('" . PMA_sqlAddslashes($GLOBALS['cfg']['Server']['user']) . "', '')";
$tmp_mydbs = PMA_DBI_fetch_result($local_query, null, null,
$GLOBALS['controllink']);
if ($tmp_mydbs) {
// Will use as associative array of the following 2 code
// lines:
// the 1st is the only line intact from before
// correction,
// the 2nd replaces $dblist[] = $row['Db'];
// Code following those 2 lines in correction continues
// populating $dblist[], as previous code did. But it is
// now populated with actual database names instead of
// with regular expressions.
$tmp_alldbs = PMA_DBI_query('SHOW DATABASES;', $GLOBALS['controllink']);
// all databases cases - part 2
if (isset($tmp_mydbs['%'])) {
while ($tmp_row = PMA_DBI_fetch_row($tmp_alldbs)) {
$dblist[] = $tmp_row[0];
} // end while
} else {
while ($tmp_row = PMA_DBI_fetch_row($tmp_alldbs)) {
$tmp_db = $tmp_row[0];
if (isset($tmp_mydbs[$tmp_db]) && $tmp_mydbs[$tmp_db] == 1) {
$dblist[] = $tmp_db;
$tmp_mydbs[$tmp_db] = 0;
} elseif (!isset($dblist[$tmp_db])) {
foreach ($tmp_mydbs as $tmp_matchpattern => $tmp_value) {
// fixed bad regexp
// TODO: db names may contain characters
// that are regexp instructions
$re = '(^|(\\\\\\\\)+|[^\])';
$tmp_regex = preg_replace('/' . addcslashes($re,'/') . '%/', '\\1.*', preg_replace('/' . addcslashes($re,'/') . '_/', '\\1.{1}', $tmp_matchpattern));
// Fixed db name matching
// 2000-08-28 -- Benjamin Gandon
if (preg_match('/^' . addcslashes($tmp_regex,'/') . '$/', $tmp_db)) {
$dblist[] = $tmp_db;
break;
}
} // end while
} // end if ... elseif ...
} // end while
} // end else
PMA_DBI_free_result($tmp_alldbs);
unset($tmp_mydbs);
} // end if
// 2. get allowed dbs from the "mysql.tables_priv" table
$local_query = 'SELECT DISTINCT Db FROM mysql.tables_priv WHERE Table_priv LIKE \'%Select%\' AND User = \'' . PMA_sqlAddslashes($GLOBALS['cfg']['Server']['user']) . '\'';
$rs = PMA_DBI_try_query($local_query, $GLOBALS['controllink']);
if ($rs && @PMA_DBI_num_rows($rs)) {
while ($row = PMA_DBI_fetch_assoc($rs)) {
if (!in_array($row['Db'], $dblist)) {
$dblist[] = $row['Db'];
}
} // end while
PMA_DBI_free_result($rs);
} // end if
}
}
?>
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