From 7f228274e16292a32fe707a0dc13fa6f2938f391 Mon Sep 17 00:00:00 2001
From: Simon Vieille <simon@deblan.fr>
Date: Wed, 26 Jun 2019 09:36:50 +0200
Subject: [PATCH] init

---
 .env.dist                       |  1 +
 .gitignore                      |  2 +
 composer.json                   | 15 ++++++
 src/functions/simple-router.php | 88 +++++++++++++++++++++++++++++++++
 web/.htaccess                   |  5 ++
 web/index.php                   | 85 +++++++++++++++++++++++++++++++
 6 files changed, 196 insertions(+)
 create mode 100644 .env.dist
 create mode 100644 .gitignore
 create mode 100644 composer.json
 create mode 100644 src/functions/simple-router.php
 create mode 100644 web/.htaccess
 create mode 100644 web/index.php

diff --git a/.env.dist b/.env.dist
new file mode 100644
index 0000000..a56d18d
--- /dev/null
+++ b/.env.dist
@@ -0,0 +1 @@
+API_HOSTNAME=api.example.com
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a8b5f43
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/vendor
+/.env
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..f2aa192
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,15 @@
+{
+    "autoload": {
+        "files": [
+            "src/functions/simple-router.php"
+        ]
+    },
+    "require": {
+        "j0k3r/graby": "^2.0",
+        "php-http/guzzle6-adapter": "^2.0",
+        "pecee/simple-router": "4.2.0.6",
+        "fusonic/linq": "dev-master",
+        "fusonic/opengraph": "^1.0",
+        "vlucas/phpdotenv": "^3.4"
+    }
+}
diff --git a/src/functions/simple-router.php b/src/functions/simple-router.php
new file mode 100644
index 0000000..cbb3e8f
--- /dev/null
+++ b/src/functions/simple-router.php
@@ -0,0 +1,88 @@
+<?php
+
+use Pecee\SimpleRouter\SimpleRouter as Router;
+use Pecee\Http\Url;
+use Pecee\Http\Response;
+use Pecee\Http\Request;
+
+/**
+ * Get url for a route by using either name/alias, class or method name.
+ *
+ * The name parameter supports the following values:
+ * - Route name
+ * - Controller/resource name (with or without method)
+ * - Controller class name
+ *
+ * When searching for controller/resource by name, you can use this syntax "route.name@method".
+ * You can also use the same syntax when searching for a specific controller-class "MyController@home".
+ * If no arguments is specified, it will return the url for the current loaded route.
+ *
+ * @param string|null $name
+ * @param string|array|null $parameters
+ * @param array|null $getParams
+ * @return \Pecee\Http\Url
+ * @throws \InvalidArgumentException
+ */
+function url(?string $name = null, $parameters = null, ?array $getParams = null): Url
+{
+    return Router::getUrl($name, $parameters, $getParams);
+}
+
+/**
+ * @return \Pecee\Http\Response
+ */
+function response(): Response
+{
+    return Router::response();
+}
+
+/**
+ * @return \Pecee\Http\Request
+ */
+function request(): Request
+{
+    return Router::request();
+}
+
+/**
+ * Get input class
+ * @param string|null $index Parameter index name
+ * @param string|null $defaultValue Default return value
+ * @param array ...$methods Default methods
+ * @return \Pecee\Http\Input\InputHandler|array|string|null
+ */
+function input($index = null, $defaultValue = null, ...$methods)
+{
+    if ($index !== null) {
+        return request()->getInputHandler()->value($index, $defaultValue, ...$methods);
+    }
+
+    return request()->getInputHandler();
+}
+
+/**
+ * @param string $url
+ * @param int|null $code
+ */
+function redirect(string $url, ?int $code = null): void
+{
+    if ($code !== null) {
+        response()->httpCode($code);
+    }
+
+    response()->redirect($url);
+}
+
+/**
+ * Get current csrf-token
+ * @return string|null
+ */
+function csrf_token(): ?string
+{
+    $baseVerifier = Router::router()->getCsrfVerifier();
+    if ($baseVerifier !== null) {
+        return $baseVerifier->getTokenProvider()->getToken();
+    }
+
+    return null;
+}
diff --git a/web/.htaccess b/web/.htaccess
new file mode 100644
index 0000000..1c534bd
--- /dev/null
+++ b/web/.htaccess
@@ -0,0 +1,5 @@
+RewriteEngine on
+RewriteCond %{SCRIPT_FILENAME} !-f
+RewriteCond %{SCRIPT_FILENAME} !-d
+RewriteCond %{SCRIPT_FILENAME} !-l
+RewriteRule ^(.*)$ index.php/$1
diff --git a/web/index.php b/web/index.php
new file mode 100644
index 0000000..10d4e7a
--- /dev/null
+++ b/web/index.php
@@ -0,0 +1,85 @@
+<?php
+
+use Graby\Graby;
+use Fusonic\OpenGraph\Consumer;
+use Pecee\SimpleRouter\SimpleRouter;
+
+require __DIR__.'/../vendor/autoload.php';
+
+$dotenv = Dotenv\Dotenv::create(__DIR__.'/../');
+$dotenv->load();
+
+function isValidUrl( ? string $url, ? string $hostname) : bool
+{
+    if ($url === null) {
+        return false;
+    }
+
+    if (trim($url) === '') {
+        return false;
+    }
+
+    if (filter_var($url, FILTER_VALIDATE_URL) === false) {
+        return false;
+    }
+
+    echo '<pre>', var_dump($hostname), '</pre>';
+    die;
+
+    return parse_url($url)['host'] !== $hostname;
+}
+
+function graby(string $url) : array
+{
+    $graby = new Graby();
+    $result = $graby->fetchContent($url);
+
+    if (isset($result['headers'])) {
+        unset($result['headers']);
+    }
+
+    return $result;
+}
+
+function opengraph(string $url) : array
+{
+    $consumer = new Consumer();
+    $object = $consumer->loadUrl($url);
+
+    return json_decode(json_encode($object), true);
+}
+
+SimpleRouter::get('/do/{parser}', function ($parser) {
+    $url = input()->get('url')->value;
+
+    if (!isValidUrl($url, getenv('API_HOSTNAME'))) {
+        return response()
+            ->httpCode(400)
+            ->json(['error' => 'Invalid URL']);
+    }
+
+    $parsers = [
+        'graby' => 'graby',
+        'opengraph' => 'opengraph',
+    ];
+
+    if (!isset($parsers[$parser])) {
+        return response()
+            ->httpCode(400)
+            ->json(['error' => 'Invalid parser']);
+    }
+
+    try {
+        $result = call_user_func_array($parsers[$parser], [$url]);
+
+        return response()
+            ->httpCode(200)
+            ->json($result);
+    } catch (\Exception $e) {
+        return response()
+            ->httpCode(500)
+            ->json(['error' => $e->getMessage()]);
+    }
+});
+
+SimpleRouter::start();