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Current File : /var/www/phpwinfx/libraries/classes/Bookmark.php
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Handles bookmarking SQL queries
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Relation;
use PhpMyAdmin\Util;
/**
* Handles bookmarking SQL queries
*
* @package PhpMyAdmin
*/
class Bookmark
{
/**
* ID of the bookmark
*
* @var int
*/
private $_id;
/**
* Database the bookmark belongs to
*
* @var string
*/
private $_database;
/**
* The user to whom the bookmark belongs, empty for public bookmarks
*
* @var string
*/
private $_user;
/**
* Label of the bookmark
*
* @var string
*/
private $_label;
/**
* SQL query that is bookmarked
*
* @var string
*/
private $_query;
/**
* @var DatabaseInterface
*/
private $dbi;
/**
* Current user
*
* @var string
*/
private $user;
public function __construct(DatabaseInterface $dbi, $user)
{
$this->dbi = $dbi;
$this->user = $user;
}
/**
* Returns the ID of the bookmark
*
* @return int
*/
public function getId()
{
return $this->_id;
}
/**
* Returns the database of the bookmark
*
* @return string
*/
public function getDatabase()
{
return $this->_database;
}
/**
* Returns the user whom the bookmark belongs to
*
* @return string
*/
public function getUser()
{
return $this->_user;
}
/**
* Returns the label of the bookmark
*
* @return string
*/
public function getLabel()
{
return $this->_label;
}
/**
* Returns the query
*
* @return string
*/
public function getQuery()
{
return $this->_query;
}
/**
* Adds a bookmark
*
* @return boolean whether the INSERT succeeds or not
*
* @access public
*/
public function save()
{
$cfgBookmark = self::getParams($this->user);
if (empty($cfgBookmark)) {
return false;
}
$query = "INSERT INTO " . Util::backquote($cfgBookmark['db'])
. "." . Util::backquote($cfgBookmark['table'])
. " (id, dbase, user, query, label) VALUES (NULL, "
. "'" . $this->dbi->escapeString($this->_database) . "', "
. "'" . $this->dbi->escapeString($this->_user) . "', "
. "'" . $this->dbi->escapeString($this->_query) . "', "
. "'" . $this->dbi->escapeString($this->_label) . "')";
return $this->dbi->query($query, DatabaseInterface::CONNECT_CONTROL);
}
/**
* Deletes a bookmark
*
* @return bool true if successful
*
* @access public
*/
public function delete()
{
$cfgBookmark = self::getParams($this->user);
if (empty($cfgBookmark)) {
return false;
}
$query = "DELETE FROM " . Util::backquote($cfgBookmark['db'])
. "." . Util::backquote($cfgBookmark['table'])
. " WHERE id = " . $this->_id;
return $this->dbi->tryQuery($query, DatabaseInterface::CONNECT_CONTROL);
}
/**
* Returns the number of variables in a bookmark
*
* @return number number of variables
*/
public function getVariableCount()
{
$matches = array();
preg_match_all("/\[VARIABLE[0-9]*\]/", $this->_query, $matches, PREG_SET_ORDER);
return count($matches);
}
/**
* Replace the placeholders in the bookmark query with variables
*
* @param array $variables array of variables
*
* @return string query with variables applied
*/
public function applyVariables(array $variables)
{
// remove comments that encloses a variable placeholder
$query = preg_replace(
'|/\*(.*\[VARIABLE[0-9]*\].*)\*/|imsU',
'${1}',
$this->_query
);
// replace variable placeholders with values
$number_of_variables = $this->getVariableCount();
for ($i = 1; $i <= $number_of_variables; $i++) {
$var = '';
if (! empty($variables[$i])) {
$var = $this->dbi->escapeString($variables[$i]);
}
$query = str_replace('[VARIABLE' . $i . ']', $var, $query);
// backward compatibility
if ($i == 1) {
$query = str_replace('[VARIABLE]', $var, $query);
}
}
return $query;
}
/**
* Defines the bookmark parameters for the current user
*
* @return array the bookmark parameters for the current user
* @access public
*/
public static function getParams($user)
{
static $cfgBookmark = null;
if (null !== $cfgBookmark) {
return $cfgBookmark;
}
$relation = new Relation();
$cfgRelation = $relation->getRelationsParam();
if ($cfgRelation['bookmarkwork']) {
$cfgBookmark = array(
'user' => $user,
'db' => $cfgRelation['db'],
'table' => $cfgRelation['bookmark'],
);
} else {
$cfgBookmark = false;
}
return $cfgBookmark;
}
/**
* Creates a Bookmark object from the parameters
*
* @param array $bkm_fields the properties of the bookmark to add; here,
* $bkm_fields['bkm_sql_query'] is urlencoded
* @param boolean $all_users whether to make the bookmark available
* for all users
*
* @return Bookmark|false
*/
public static function createBookmark(
DatabaseInterface $dbi,
$user,
array $bkm_fields,
$all_users = false
) {
if (!(isset($bkm_fields['bkm_sql_query'])
&& strlen($bkm_fields['bkm_sql_query']) > 0
&& isset($bkm_fields['bkm_label'])
&& strlen($bkm_fields['bkm_label']) > 0)
) {
return false;
}
$bookmark = new Bookmark($dbi, $user);
$bookmark->_database = $bkm_fields['bkm_database'];
$bookmark->_label = $bkm_fields['bkm_label'];
$bookmark->_query = $bkm_fields['bkm_sql_query'];
$bookmark->_user = $all_users ? '' : $bkm_fields['bkm_user'];
return $bookmark;
}
/**
* Gets the list of bookmarks defined for the current database
*
* @param string|bool $db the current database name or false
*
* @return Bookmark[] the bookmarks list
*
* @access public
*/
public static function getList(DatabaseInterface $dbi, $user, $db = false)
{
$cfgBookmark = self::getParams($user);
if (empty($cfgBookmark)) {
return array();
}
$query = "SELECT * FROM " . Util::backquote($cfgBookmark['db'])
. "." . Util::backquote($cfgBookmark['table'])
. " WHERE ( `user` = ''"
. " OR `user` = '" . $dbi->escapeString($cfgBookmark['user']) . "' )";
if ($db !== false) {
$query .= " AND dbase = '" . $dbi->escapeString($db) . "'";
}
$query .= " ORDER BY label ASC";
$result = $dbi->fetchResult(
$query,
null,
null,
DatabaseInterface::CONNECT_CONTROL,
DatabaseInterface::QUERY_STORE
);
if (! empty($result)) {
$bookmarks = array();
foreach ($result as $row) {
$bookmark = new Bookmark($dbi, $user);
$bookmark->_id = $row['id'];
$bookmark->_database = $row['dbase'];
$bookmark->_user = $row['user'];
$bookmark->_label = $row['label'];
$bookmark->_query = $row['query'];
$bookmarks[] = $bookmark;
}
return $bookmarks;
}
return array();
}
/**
* Retrieve a specific bookmark
*
* @param string $db the current database name
* @param mixed $id an identifier of the bookmark to get
* @param string $id_field which field to look up the identifier
* @param boolean $action_bookmark_all true: get all bookmarks regardless
* of the owning user
* @param boolean $exact_user_match whether to ignore bookmarks with no user
*
* @return Bookmark the bookmark
*
* @access public
*
*/
public static function get(
DatabaseInterface $dbi,
$user,
$db,
$id,
$id_field = 'id',
$action_bookmark_all = false,
$exact_user_match = false
) {
$cfgBookmark = self::getParams($user);
if (empty($cfgBookmark)) {
return null;
}
$query = "SELECT * FROM " . Util::backquote($cfgBookmark['db'])
. "." . Util::backquote($cfgBookmark['table'])
. " WHERE dbase = '" . $dbi->escapeString($db) . "'";
if (! $action_bookmark_all) {
$query .= " AND (user = '"
. $dbi->escapeString($cfgBookmark['user']) . "'";
if (! $exact_user_match) {
$query .= " OR user = ''";
}
$query .= ")";
}
$query .= " AND " . Util::backquote($id_field)
. " = " . $dbi->escapeString($id) . " LIMIT 1";
$result = $dbi->fetchSingleRow($query, 'ASSOC', DatabaseInterface::CONNECT_CONTROL);
if (! empty($result)) {
$bookmark = new Bookmark($dbi, $user);
$bookmark->_id = $result['id'];
$bookmark->_database = $result['dbase'];
$bookmark->_user = $result['user'];
$bookmark->_label = $result['label'];
$bookmark->_query = $result['query'];
return $bookmark;
}
return null;
}
}
