Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/command/change-theme.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * The concrete command that change active theme.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.Command
+ */
+class Ai1ec_Command_Change_Theme extends Ai1ec_Command {
+
+    /**
+     * Executes the command to change the active theme.
+     *
+     * NOTE: {@see self::is_this_to_execute} must return true for this command
+     * to execute; we can trust that input has been checked for injections.
+     */
+    public function do_execute() {
+        // Update the active theme in the options table.
+        $stylesheet = preg_replace(
+            '|[^a-z_\-]+|i',
+            '',
+            $_GET['ai1ec_stylesheet']
+        );
+        $this->_registry->get( 'theme.loader' )->switch_theme( array(
+            'theme_root' => realpath( $_GET['ai1ec_theme_root'] ),
+            'theme_dir'  => realpath( $_GET['ai1ec_theme_dir'] ),
+            'theme_url'  => $_GET['ai1ec_theme_url'],
+            'stylesheet' => $stylesheet,
+            'legacy'     => false
+        ) );
+
+        // Return user to themes list page with success message.
+        return array(
+            'url'        => ai1ec_admin_url(
+                'edit.php?post_type=ai1ec_event&page=all-in-one-event-calendar-themes'
+            ),
+            'query_args' => array(
+                'activated' => 1
+            )
+        );
+    }
+
+    /* (non-PHPdoc)
+     * @see Ai1ec_Command_Save_Abstract::set_render_strategy()
+     */
+    public function set_render_strategy( Ai1ec_Request_Parser $request ) {
+        $this->_render_strategy = $this->_registry->get(
+            'http.response.render.strategy.redirect'
+        );
+    }
+
+    /* (non-PHPdoc)
+     * @see Ai1ec_Command::is_this_to_execute()
+    */
+    public function is_this_to_execute() {
+        if (
+            isset( $_GET['ai1ec_action'] ) &&
+            $_GET['ai1ec_action'] === 'activate_theme' &&
+            current_user_can( 'switch_ai1ec_themes' ) &&
+            is_dir( $_GET['ai1ec_theme_dir'] ) &&
+            is_dir( $_GET['ai1ec_theme_root'] )
+        ) {
+            check_admin_referer(
+                'switch-ai1ec_theme_' . $_GET['ai1ec_stylesheet']
+            );
+            return true;
+        }
+        return false;
+    }
+}