From 576160b4d38d28fc5aa70fa5c03d38712dc8ac17 Mon Sep 17 00:00:00 2001
From: "David T. Sadler" <davidtsadler@googlemail.com>
Date: Thu, 1 Jul 2021 21:32:48 +0100
Subject: Implement simple add bookmark API

---
 .gitignore                 |  1 +
 public/bookmarks/index.php | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 public/bookmarks/index.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4f4773f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+config.php
diff --git a/public/bookmarks/index.php b/public/bookmarks/index.php
new file mode 100644
index 0000000..8ecfe24
--- /dev/null
+++ b/public/bookmarks/index.php
@@ -0,0 +1,47 @@
+<?php declare(strict_types=1);
+
+error_reporting(E_ALL);
+
+$config = require_once('../../config.php');
+
+if ('POST' !== ($_SERVER['REQUEST_METHOD'] ?? null)) {
+    respondAndExit([405 => 'Method Not Allowed']);
+}
+
+if ('Bearer '.$config['bearer_token'] !== ($_SERVER['HTTP_AUTHORIZATION'] ?? null)) {
+    respondAndExit([
+        401 => 'Unauthorized',
+        0   => 'WWW-Authenticate: Bearer realm="Bookmarks"',
+    ]);
+}
+
+if ('application/x-www-form-urlencoded' !== ($_SERVER['CONTENT_TYPE'] ?? null)) {
+    respondAndExit([415 => 'Unsupported Media Type']);
+}
+
+$url = filter_input(INPUT_POST, 'url', FILTER_VALIDATE_URL);
+
+if (!$url || !strlen($url) === 0 || strlen($url) > $config['max_url_length']) {
+    respondAndExit([400 => 'Bad Request']);
+}
+
+if (!file_put_contents($config['path_to_file'], "$url\n", FILE_APPEND)) {
+    respondAndExit([500 => 'Internal Server Error']);
+}
+
+respondAndExit([201 => 'Created']);
+
+function respondAndExit(array $headers): void
+{
+    foreach ($headers as $responseCode => $header) {
+        if ($responseCode) {
+            header($header, false, $responseCode);
+        } else {
+            header($header);
+        }
+    }
+
+    header('Content-type: text/plain; charset=UTF-8');
+
+    exit();
+}
-- 
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