Support for verb requests in craftcms v2

example.php

<?php
// Example in your plugin file
public function registerSiteRoutes(): array {
    return [
        'api/.*+' => ['action' => 'nCIG/preFlight', 'verb' => 'OPTIONS'],
    ];
}

request-verb-support.patch

From b9825afaafd273ad030c95dbdecc9c467c73727a Mon Sep 17 00:00:00 2001
From: Leevi Graham <leevi@newism.com.au>
Date: Tue, 12 Dec 2017 15:25:57 +1100
Subject: [PATCH] Support request verbs

---
 craft/app/etc/web/UrlManager.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/craft/app/etc/web/UrlManager.php b/craft/app/etc/web/UrlManager.php
index 8550b29..4e4d55a 100644
--- a/craft/app/etc/web/UrlManager.php
+++ b/craft/app/etc/web/UrlManager.php
@@ -383,8 +383,17 @@ class UrlManager extends \CUrlManager
 			// Parse tokens
 			$regexPattern = $this->_parseRegexTokens($regexPattern);
 
+			// HACK: Support route verbs ^LG
+            $verbMatch = true;
+            if(is_array($route) && array_key_exists('verb', $route)){
+                $verbMatch = false;
+                if(craft()->getRequest()->getRequestType() === strtoupper($route['verb'])) {
+                    $verbMatch = true;
+                }
+            }
+
 			// Does it match?
-			if (preg_match('/^'.$regexPattern.'$/u', $path, $match))
+			if (preg_match('/^'.$regexPattern.'$/u', $path, $match) && $verbMatch)
 			{
 				// Normalize the route
 				$route = $this->_normalizeRoute($route);
-- 
2.14.1+GitX