first commit

2026-09-08 11:40:15 +08:00
commit a5353f7eb5
9568 changed files with 1646214 additions and 0 deletions
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\service\pharmacy;
+
+final class EjPharmacySignature
+{
+    public static function canonical(string $method, string $path, string $timestamp, string $nonce, string $body): string
+    {
+        return implode("\n", [
+            strtoupper(trim($method)),
+            $path,
+            trim($timestamp),
+            trim($nonce),
+            hash('sha256', $body),
+        ]);
+    }
+
+    public static function sign(string $secret, string $canonical): string
+    {
+        return hash_hmac('sha256', $canonical, $secret);
+    }
+
+    public static function verify(string $secret, string $canonical, string $signature): bool
+    {
+        return $secret !== '' && $signature !== '' && hash_equals(self::sign($secret, $canonical), strtolower(trim($signature)));
+    }
+}