From 4769d5bef40d7033f4ec3faec6d24917f5d36617 Mon Sep 17 00:00:00 2001
From: Awilum <awilum@msn.com>
Date: Fri, 21 Feb 2020 21:26:09 +0300
Subject: [PATCH] feat(core): add Delivery Registry API

---
 flextype/api/delivery/registry.php | 66 ++++++++++++++++++++++++++++++
 flextype/bootstrap.php             |  1 +
 flextype/config/settings.yaml      |  3 ++
 3 files changed, 70 insertions(+)
 create mode 100644 flextype/api/delivery/registry.php

diff --git a/flextype/api/delivery/registry.php b/flextype/api/delivery/registry.php
new file mode 100644
index 00000000..abac5cdd
--- /dev/null
+++ b/flextype/api/delivery/registry.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Flextype (http://flextype.org)
+ * Founded by Sergey Romanenko and maintained by Flextype Community.
+ */
+
+namespace Flextype;
+
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+
+/**
+ * Validate delivery registry token
+ */
+function validate_delivery_registry_token($request, $flextype) : bool
+{
+    return Filesystem::has(PATH['tokens'] . '/delivery/registry/' . $request->getQueryParams()['token'] . '/token.yaml');
+}
+
+/**
+ * Fetch registry
+ *
+ * endpoint: /api/delivery/registry
+ */
+$app->get('/api/delivery/registry', function (Request $request, Response $response) use ($flextype) {
+
+    // Get Query Params
+    $query = $request->getQueryParams();
+
+    // Set variables
+    $id = $query['id'];
+
+    if ($flextype['registry']->get('flextype.api.registry.enabled')) {
+
+        // Validate delivery token
+        if (validate_delivery_registry_token($request, $flextype)) {
+            $delivery_registry_token_file_path = PATH['tokens'] . '/delivery/registry/' . $request->getQueryParams()['token'] . '/token.yaml';
+
+            // Set delivery token file
+            if ($delivery_registry_token_file_data = $flextype['parser']->decode(Filesystem::read($delivery_registry_token_file_path), 'yaml')) {
+                if ($delivery_registry_token_file_data['state'] == 'disabled' ||
+                    ($delivery_registry_token_file_data['limit_calls'] != 0 && $delivery_registry_token_file_data['calls'] >= $delivery_registry_token_file_data['limit_calls'])) {
+                    return $response->withJson(["detail" => "Incorrect authentication credentials."], 401);
+                } else {
+                    // Fetch registry
+                    $data = $flextype['registry']->get($id);
+
+                    // Update calls counter
+                    Filesystem::write($delivery_registry_token_file_path, $flextype['parser']->encode(array_replace_recursive($delivery_registry_token_file_data, ['calls' => $delivery_registry_token_file_data['calls'] + 1]), 'yaml'));
+
+                    // Return response
+                    return $response->withJson($data, 200);
+                }
+            } else {
+                return $response->withJson(["detail" => "Incorrect authentication credentials."], 401);
+            }
+        } else {
+            return $response->withJson(["detail" => "Incorrect authentication credentials."], 401);
+        }
+    } else {
+        return $response->withJson(["detail" => "Incorrect authentication credentials."], 401);
+    }
+});
diff --git a/flextype/bootstrap.php b/flextype/bootstrap.php
index 3cded7d3..f3ee0105 100755
--- a/flextype/bootstrap.php
+++ b/flextype/bootstrap.php
@@ -136,6 +136,7 @@ include_once 'middlewares.php';
  */
 include_once 'api/delivery/images.php';
 include_once 'api/delivery/entries.php';
+include_once 'api/delivery/registry.php';
 
 /**
  * Set internal encoding
diff --git a/flextype/config/settings.yaml b/flextype/config/settings.yaml
index 039235e6..1ad43848 100644
--- a/flextype/config/settings.yaml
+++ b/flextype/config/settings.yaml
@@ -216,3 +216,6 @@ api:
   entries:
     enabled: true
     default_token:
+  registry:
+    enabled: true
+    default_token: