Add Authorization header to API requests

src/main/kotlin/fr/jais/scraper/utils/API.kt

@@ -20,10 +20,15 @@ object API {
     }
 
     private fun post(url: String, json: String): HttpResponse<String> {
-        val request = HttpRequest.newBuilder()
+        val requestBuilder = HttpRequest.newBuilder()
             .uri(URI.create(url))
             .header("Content-Type", "application/json")
-            .POST(HttpRequest.BodyPublishers.ofString(json))
+
+        if (!Const.secureKey.isNullOrBlank()) {
+            requestBuilder.header("Authorization", Const.secureKey)
+        }
+
+        val request = requestBuilder.POST(HttpRequest.BodyPublishers.ofString(json))
             .build()
         return Const.httpClient.send(request, HttpResponse.BodyHandlers.ofString())
     }

src/main/kotlin/fr/jais/scraper/utils/Const.kt

@@ -18,4 +18,5 @@ object Const {
     val multipleSpaceRegex = "\\s+".toRegex()
     const val calendarBaseUrl = "https://anime.icotaku.com"
     val apiUrl = System.getenv("API_URL") ?: "http://localhost:8080/"
+    val secureKey: String? = System.getenv("SECURE_KEY")
 }