From 43d8b9d2deebc2dedc631b9466835e74e791a16e Mon Sep 17 00:00:00 2001
From: 0xb00bface <0xboobface@gmail.com>
Date: Mon, 21 Dec 2020 15:07:50 +0100
Subject: [PATCH] Add cache control headers to Cam4 requests

---
 common/src/main/java/ctbrec/io/HttpConstants.java    |  3 +++
 .../src/main/java/ctbrec/sites/cam4/Cam4Model.java   | 12 +++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/common/src/main/java/ctbrec/io/HttpConstants.java b/common/src/main/java/ctbrec/io/HttpConstants.java
index 15c95891..fb706566 100644
--- a/common/src/main/java/ctbrec/io/HttpConstants.java
+++ b/common/src/main/java/ctbrec/io/HttpConstants.java
@@ -4,12 +4,15 @@ public class HttpConstants {
 
     public static final String ACCEPT = "Accept";
     public static final String ACCEPT_LANGUAGE = "Accept-Language";
+    public static final String CACHE_CONTROL = "Cache-Control";
     public static final String CONNECTION = "Connection";
     public static final String CONTENT_TYPE = "Content-Type";
     public static final String COOKIE = "Cookie";
     public static final String KEEP_ALIVE = "keep-alive";
     public static final String MIMETYPE_APPLICATION_JSON = "application/json";
+    public static final String NO_CACHE = "no-cache";
     public static final String ORIGIN = "Origin";
+    public static final String PRAGMA = "Pragma";
     public static final String REFERER = "Referer";
     public static final String USER_AGENT = "User-Agent";
     public static final String XML_HTTP_REQUEST = "XMLHttpRequest";
diff --git a/common/src/main/java/ctbrec/sites/cam4/Cam4Model.java b/common/src/main/java/ctbrec/sites/cam4/Cam4Model.java
index 9c12faf1..ad0f79f3 100644
--- a/common/src/main/java/ctbrec/sites/cam4/Cam4Model.java
+++ b/common/src/main/java/ctbrec/sites/cam4/Cam4Model.java
@@ -141,6 +141,8 @@ public class Cam4Model extends AbstractModel {
                 .header(USER_AGENT, Config.getInstance().getSettings().httpUserAgent)
                 .header(ACCEPT, "*/*")
                 .header(ACCEPT_LANGUAGE, "*")
+                .header(CACHE_CONTROL, NO_CACHE)
+                .header(PRAGMA, NO_CACHE)
                 .header(REFERER, getUrl())
                 .build(); // @formatter:on
         try (Response response = site.getHttpClient().execute(req)) {
@@ -161,7 +163,15 @@ public class Cam4Model extends AbstractModel {
     }
 
     private String loadModelPage() throws IOException {
-        Request req = new Request.Builder().url(getUrl()).build();
+        Request req = new Request.Builder()
+                .url(getUrl())
+                .header(USER_AGENT, Config.getInstance().getSettings().httpUserAgent)
+                .header(ACCEPT, "text/html")
+                .header(ACCEPT_LANGUAGE, "en")
+                .header(CACHE_CONTROL, NO_CACHE)
+                .header(PRAGMA, NO_CACHE)
+                .header(REFERER, site.getBaseUrl())
+                .build();
         try (Response response = site.getHttpClient().execute(req)) {
             if (response.isSuccessful()) {
                 return response.body().string();