1 files changed, 161 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/db_common.inc.php b/srcs/phpmyadmin/libraries/db_common.inc.php
new file mode 100644
index 0000000..2fb1fa1
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/db_common.inc.php
@@ -0,0 +1,161 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Common includes for the database level views
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+use PhpMyAdmin\Core;
+use PhpMyAdmin\Message;
+use PhpMyAdmin\Operations;
+use PhpMyAdmin\Relation;
+use PhpMyAdmin\Response;
+use PhpMyAdmin\Url;
+use PhpMyAdmin\Util;
+
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+Util::checkParameters(['db']);
+
+global $cfg;
+global $db;
+
+$response = Response::getInstance();
+$is_show_stats = $cfg['ShowStats'];
+
+$db_is_system_schema = $GLOBALS['dbi']->isSystemSchema($db);
+if ($db_is_system_schema) {
+    $is_show_stats = false;
+}
+
+$relation = new Relation($GLOBALS['dbi']);
+$operations = new Operations($GLOBALS['dbi'], $relation);
+
+/**
+ * Defines the urls to return to in case of error in a sql statement
+ */
+$err_url_0 = 'index.php' . Url::getCommon();
+
+$err_url = Util::getScriptNameForOption(
+    $GLOBALS['cfg']['DefaultTabDatabase'],
+    'database'
+)
+    . Url::getCommon(['db' => $db]);
+
+/**
+ * Ensures the database exists (else move to the "parent" script) and displays
+ * headers
+ */
+if (! isset($is_db) || ! $is_db) {
+    if (strlen($db) > 0) {
+        $is_db = $GLOBALS['dbi']->selectDb($db);
+        // This "Command out of sync" 2014 error may happen, for example
+        // after calling a MySQL procedure; at this point we can't select
+        // the db but it's not necessarily wrong
+        if ($GLOBALS['dbi']->getError() && $GLOBALS['errno'] == 2014) {
+            $is_db = true;
+            unset($GLOBALS['errno']);
+        }
+    } else {
+        $is_db = false;
+    }
+    // Not a valid db name -> back to the welcome page
+    $params = ['reload' => '1'];
+    if (isset($message)) {
+        $params['message'] = $message;
+    }
+    $uri = './index.php' . Url::getCommonRaw($params);
+    if (strlen($db) === 0 || ! $is_db) {
+        $response = Response::getInstance();
+        if ($response->isAjax()) {
+            $response->setRequestStatus(false);
+            $response->addJSON(
+                'message',
+                Message::error(__('No databases selected.'))
+            );
+        } else {
+            Core::sendHeaderLocation($uri);
+        }
+        exit;
+    }
+} // end if (ensures db exists)
+
+/**
+ * Changes database charset if requested by the user
+ */
+if (isset($_POST['submitcollation'])
+    && isset($_POST['db_collation'])
+    && ! empty($_POST['db_collation'])
+) {
+    list($db_charset) = explode('_', $_POST['db_collation']);
+    $sql_query        = 'ALTER DATABASE '
+        . Util::backquote($db)
+        . ' DEFAULT' . Util::getCharsetQueryPart($_POST['db_collation']);
+    $result           = $GLOBALS['dbi']->query($sql_query);
+    $message          = Message::success();
+
+    /**
+     * Changes tables charset if requested by the user
+     */
+    if (isset($_POST['change_all_tables_collations']) &&
+        $_POST['change_all_tables_collations'] === 'on'
+    ) {
+        list($tables, , , , , , , ,) = Util::getDbInfo($db, null);
+        foreach ($tables as $tableName => $data) {
+            if ($GLOBALS['dbi']->getTable($db, $tableName)->isView()) {
+                // Skip views, we can not change the collation of a view.
+                // issue #15283
+                continue;
+            }
+            $sql_query      = 'ALTER TABLE '
+            . Util::backquote($db)
+            . '.'
+            . Util::backquote($tableName)
+            . ' DEFAULT '
+            . Util::getCharsetQueryPart($_POST['db_collation']);
+            $GLOBALS['dbi']->query($sql_query);
+
+            /**
+             * Changes columns charset if requested by the user
+             */
+            if (isset($_POST['change_all_tables_columns_collations']) &&
+                $_POST['change_all_tables_columns_collations'] === 'on'
+            ) {
+                $operations->changeAllColumnsCollation($db, $tableName, $_POST['db_collation']);
+            }
+        }
+    }
+    unset($db_charset);
+
+    /**
+     * If we are in an Ajax request, let us stop the execution here. Necessary for
+     * db charset change action on db_operations.php.  If this causes a bug on
+     * other pages, we might have to move this to a different location.
+     */
+    if ($response->isAjax()) {
+        $response->setRequestStatus($message->isSuccess());
+        $response->addJSON('message', $message);
+        exit;
+    }
+} elseif (isset($_POST['submitcollation'])
+    && isset($_POST['db_collation'])
+    && empty($_POST['db_collation'])
+) {
+    $response = Response::getInstance();
+    if ($response->isAjax()) {
+        $response->setRequestStatus(false);
+        $response->addJSON(
+            'message',
+            Message::error(__('No collation provided.'))
+        );
+    }
+}
+
+/**
+ * Set parameters for links
+ */
+$url_query = Url::getCommon(['db' => $db]);