From c7a3aa001e33abca8e7029e7c18f951b0d90be2b Mon Sep 17 00:00:00 2001
From: Dominik Dera <dominik.dera@printed.com>
Date: Fri, 26 Mar 2021 10:50:41 +0000
Subject: [PATCH] Fix the assumption that libcurl returns response headers in
 title case.

It appears that in different circumstances the headers are
either in title case or in lower case. Make all headers lower
case and use that instead.
---
 src/Postmen/Postmen.php | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/Postmen/Postmen.php b/src/Postmen/Postmen.php
index 56416bc..3e042d5 100644
--- a/src/Postmen/Postmen.php
+++ b/src/Postmen/Postmen.php
@@ -78,7 +78,7 @@ public function buildCurlParams($method, $path, $config = array()) {
 			CURLOPT_URL => $url,
 			CURLOPT_CUSTOMREQUEST => $method,
 			CURLOPT_HTTPHEADER => $headers,
-			CURLOPT_HEADER => true	
+			CURLOPT_HEADER => true
 		);
 		$proxy = $parameters['proxy'];
 		if (count($proxy) > 0) {
@@ -128,16 +128,16 @@ public function call($method, $path, $config = array()) {
 		$response_headers_array = array();
 		foreach (explode("\r\n", $response_headers) as $line) {
 			list($key, $value) = array_pad(explode(': ', $line, 2), 2, null);
-			$response_headers_array[$key] = $value;
+			$response_headers_array[strtolower($key)] = $value;
 		}
-		$headers_date = $response_headers_array['Date'];
+		$headers_date = $response_headers_array['date'];
 		$calls_left = 0;
-		if (isset($response_headers_array['X-RateLimit-Remaining'])) {
-			$calls_left = (int)$response_headers_array['X-RateLimit-Remaining'];
+		if (isset($response_headers_array['x-ratelimit-remaining'])) {
+			$calls_left = (int)$response_headers_array['x-ratelimit-remaining'];
 		}
 		$reset = 0;
-		if (isset($response_headers_array['X-RateLimit-Reset'])) {
-			$reset = (int)(((int)$response_headers_array['X-RateLimit-Reset']) / 1000);
+		if (isset($response_headers_array['x-ratelimit-reset'])) {
+			$reset = (int)(((int)$response_headers_array['x-ratelimit-reset']) / 1000);
 		}
 		// convert headers date to timestamp, please refer to
 		// https://tools.ietf.org/html/rfc7231#section-7.1.1.1
@@ -186,7 +186,7 @@ public function handleError($err_message, $err_code, $err_retryable, $err_detail
 
 	public function handle($parsed, $parameters) {
 		if ($parsed->meta->code != 200) {
-			$err_code = 0; 
+			$err_code = 0;
 			$err_message = 'Postmen server side error occured';
 			$err_details = array();
 			$err_retryable = false;
@@ -257,7 +257,7 @@ public function generateURL($url, $path, $method, $query) {
 				if (strlen($qr) > 0) {
 					return $url . $path . '?' . $qr;
 				}
-			}	
+			}
 		}
 		return $url . $path;
 	}