Initial commit

#pma/libraries/ListDatabase.php

@@ -0,0 +1,185 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * holds the ListDatabase class
+ *
+ * @package PhpMyAdmin
+ */
+namespace PMA\libraries;
+
+require_once './libraries/check_user_privileges.lib.php';
+
+/**
+ * handles database lists
+ *
+ * <code>
+ * $ListDatabase = new ListDatabase($userlink);
+ * </code>
+ *
+ * @todo this object should be attached to the PMA_Server object
+ *
+ * @package PhpMyAdmin
+ * @since   phpMyAdmin 2.9.10
+ */
+class ListDatabase extends ListAbstract
+{
+    /**
+     * @var mixed   database link resource|object to be used
+     * @access protected
+     */
+    protected $db_link = null;
+
+    /**
+     * @var mixed   user database link resource|object
+     * @access protected
+     */
+    protected $db_link_user = null;
+
+    /**
+     * Constructor
+     *
+     * @param mixed $db_link_user user database link resource|object
+     */
+    public function __construct($db_link_user = null)
+    {
+        $this->db_link = $db_link_user;
+        $this->db_link_user = $db_link_user;
+
+        parent::__construct();
+        $this->build();
+    }
+
+    /**
+     * checks if the configuration wants to hide some databases
+     *
+     * @return void
+     */
+    protected function checkHideDatabase()
+    {
+        if (empty($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
+     *
+     * @param string $like_db_name usually a db_name containing wildcards
+     *
+     * @return array
+     */
+    protected function retrieve($like_db_name = null)
+    {
+        $database_list = array();
+        $command = "";
+        if (! $GLOBALS['cfg']['Server']['DisableIS']) {
+            $command .= "SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`";
+            if (null !== $like_db_name) {
+                $command .= " WHERE `SCHEMA_NAME` LIKE '" . $like_db_name . "'";
+            }
+        } else {
+            if ($GLOBALS['dbs_to_test'] === false || null !== $like_db_name) {
+                $command .= "SHOW DATABASES";
+                if (null !== $like_db_name) {
+                    $command .= " LIKE '" . $like_db_name . "'";
+                }
+            } else {
+                foreach ($GLOBALS['dbs_to_test'] as $db) {
+                    $database_list = array_merge(
+                        $database_list, $this->retrieve($db)
+                    );
+                }
+            }
+        }
+
+        if ($command) {
+            $database_list = $GLOBALS['dbi']->fetchResult(
+                $command, null, null, $this->db_link
+            );
+        }
+
+        if ($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
+     *
+     * @return void
+     */
+    public function build()
+    {
+        if (! $this->checkOnlyDatabase()) {
+            $items = $this->retrieve();
+            $this->exchangeArray($items);
+        }
+
+        $this->checkHideDatabase();
+    }
+
+    /**
+     * checks the only_db configuration
+     *
+     * @return boolean false if there is no only_db, otherwise true
+     */
+    protected function checkOnlyDatabase()
+    {
+        if (is_string($GLOBALS['cfg']['Server']['only_db'])
+            && mb_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) {
+
+            // check if the db name contains wildcard,
+            // thus containing not escaped _ or %
+            if (! preg_match('/(^|[^\\\\])(_|%)/', $each_only_db)) {
+                // ... not contains wildcard
+                $items[] = Util::unescapeMysqlWildcards($each_only_db);
+                continue;
+            }
+
+            $items = array_merge($items, $this->retrieve($each_only_db));
+        }
+
+        $this->exchangeArray($items);
+
+        return true;
+    }
+
+    /**
+     * returns default item
+     *
+     * @return string default item
+     */
+    public function getDefault()
+    {
+        if (mb_strlen($GLOBALS['db'])) {
+            return $GLOBALS['db'];
+        }
+
+        return $this->getEmpty();
+    }
+}