From 0daf2494d2aee27a71f6f42419d0fc22fc9cc62b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Pie=C5=82a?= <mateusz@noreply.git.mateuszdev.eu>
Date: Tue, 27 Apr 2021 09:06:56 +0200
Subject: [PATCH] Prototype gitea filter

---
 classes/filter/gitea.php | 27 +++++++++++++++++++++++++++
 classes/webhook.php      | 12 +++++++++++-
 composer.json            |  2 ++
 includes/app.php         | 12 +++++++++++-
 4 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 classes/filter/gitea.php

diff --git a/classes/filter/gitea.php b/classes/filter/gitea.php
new file mode 100644
index 0000000..3c54474
--- /dev/null
+++ b/classes/filter/gitea.php
@@ -0,0 +1,27 @@
+<?php
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Mateusz Pieła
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+namespace classes\filter;
+
+
+class gitea
+{
+    public function formatMessageToReadable(string $message)
+    {
+
+        $message = preg_replace('/(?:[\[<>\]])/', '',$message);
+        $message = preg_replace('/\|.*(?=http)/',' ',$message);
+        $message = preg_replace('/\|(\w+)/', '', $message);
+        return $message;
+    }
+}
\ No newline at end of file
diff --git a/classes/webhook.php b/classes/webhook.php
index c1afa9b..a22cb90 100644
--- a/classes/webhook.php
+++ b/classes/webhook.php
@@ -1,15 +1,19 @@
 <?php
 namespace classes;
 
+use classes\filter\gitea;
+
 class webhook extends core
 {
     private $json;
+    private $filter;
 
-    public function __construct(string $json)
+    public function __construct(string $json,string $filter)
     {
         parent::__construct();
         if($json)
         {
+            $this->filter = $filter ?? NULL;
             $this->json = json_decode($json, false);
         }
         else
@@ -20,6 +24,12 @@ class webhook extends core
 
     public function getMessage()
     {
+        if($this->filter === "gitea")
+        {
+            $filter = new gitea();
+            return($filter->formatMessageToReadable($this->json->text));
+        }
+
         return $this->json->text;
     }
 }
diff --git a/composer.json b/composer.json
index 033827c..737685b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,4 +1,6 @@
 {
+    "name": "mateusz/webhook2xmpp",
+    "description": "",
     "require": {
         "norgul/xmpp-php": "^2.2"
     }
diff --git a/includes/app.php b/includes/app.php
index c371288..d948a98 100644
--- a/includes/app.php
+++ b/includes/app.php
@@ -77,7 +77,8 @@ class app
     private function handleIncomingData(): void
     {
         $post = file_get_contents("php://input");
-        $wh = new Webhook($post);
+        $filter = $this->checkIfFilterNeeded();
+        $wh = new Webhook($post,$filter);
         $xmpp = new Xmpp();
 
         $xmpp->start();
@@ -86,6 +87,15 @@ class app
         $xmpp->disconnect();
     }
 
+    private function checkIfFilterNeeded()
+    {
+        if(in_array("X-Gitea",$_SERVER))
+        {
+            return 'gitea';
+        }
+        return false;
+    }
+
     private function getRealIPAddr()
     {
         if (!empty($_SERVER['HTTP_CLIENT_IP']))