[core] Implement SetBridgeCacheAction to store bridge's cache remotely (#3156)

actions/SetBridgeCacheAction.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * This file is part of RSS-Bridge, a PHP project capable of generating RSS and
+ * Atom feeds for websites that don't have one.
+ *
+ * For the full license information, please view the UNLICENSE file distributed
+ * with this source code.
+ *
+ * @package Core
+ * @license http://unlicense.org/ UNLICENSE
+ * @link    https://github.com/rss-bridge/rss-bridge
+ */
+
+class SetBridgeCacheAction implements ActionInterface
+{
+    public function execute(array $request)
+    {
+        $authenticationMiddleware = new ApiAuthenticationMiddleware();
+        $authenticationMiddleware($request);
+
+        $key = $request['key'] or returnClientError('You must specify key!');
+
+        $bridgeFactory = new \BridgeFactory();
+
+        $bridgeClassName = null;
+        if (isset($request['bridge'])) {
+            $bridgeClassName = $bridgeFactory->sanitizeBridgeName($request['bridge']);
+        }
+
+        if ($bridgeClassName === null) {
+            throw new \InvalidArgumentException('Bridge name invalid!');
+        }
+
+        // whitelist control
+        if (!$bridgeFactory->isWhitelisted($bridgeClassName)) {
+            throw new \Exception('This bridge is not whitelisted', 401);
+            die;
+        }
+
+        $bridge = $bridgeFactory->create($bridgeClassName);
+        $bridge->loadConfiguration();
+        $value = $request['value'];
+
+        $cacheFactory = new CacheFactory();
+
+        $cache = $cacheFactory->create();
+        $cache->setScope(get_class($bridge));
+        $cache->setKey($key);
+        $cache->saveData($value);
+
+        header('Content-Type: text/plain');
+        echo 'done';
+    }
+}