From 512f78874adfd1de407d087fc2e15716ef9fcfe2 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Mon, 5 Nov 2018 15:48:49 +0100
Subject: #863 Part 1: Make sending of http upgrade-insecure-requests optional

Defaults to false if not configured.
---
 netwerk/protocol/http/nsHttpChannel.cpp | 9 +++++++--
 netwerk/protocol/http/nsHttpChannel.h   | 4 ++++
 2 files changed, 11 insertions(+), 2 deletions(-)

(limited to 'netwerk')

diff --git a/netwerk/protocol/http/nsHttpChannel.cpp b/netwerk/protocol/http/nsHttpChannel.cpp
index bb0b3ca77..be5539a02 100644
--- a/netwerk/protocol/http/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/nsHttpChannel.cpp
@@ -313,11 +313,15 @@ nsHttpChannel::nsHttpChannel()
     , mPushedStream(nullptr)
     , mLocalBlocklist(false)
     , mWarningReporter(nullptr)
+    , mSendUpgradeRequest(false)
     , mDidReval(false)
 {
     LOG(("Creating nsHttpChannel [this=%p]\n", this));
     mChannelCreationTime = PR_Now();
     mChannelCreationTimestamp = TimeStamp::Now();
+    
+    mSendUpgradeRequest = 
+      Preferences::GetBool("network.http.upgrade-insecure-requests", false);
 }
 
 nsHttpChannel::~nsHttpChannel()
@@ -377,8 +381,9 @@ nsHttpChannel::Connect()
                                mLoadInfo->GetExternalContentPolicyType() :
                                nsIContentPolicy::TYPE_OTHER;
 
-    if (type == nsIContentPolicy::TYPE_DOCUMENT ||
-        type == nsIContentPolicy::TYPE_SUBDOCUMENT) {
+    if (mSendUpgradeRequest &&
+        (type == nsIContentPolicy::TYPE_DOCUMENT ||
+         type == nsIContentPolicy::TYPE_SUBDOCUMENT)) {
         rv = SetRequestHeader(NS_LITERAL_CSTRING("Upgrade-Insecure-Requests"),
                               NS_LITERAL_CSTRING("1"), false);
         NS_ENSURE_SUCCESS(rv, rv);
diff --git a/netwerk/protocol/http/nsHttpChannel.h b/netwerk/protocol/http/nsHttpChannel.h
index 2e24d6e81..152cf1503 100644
--- a/netwerk/protocol/http/nsHttpChannel.h
+++ b/netwerk/protocol/http/nsHttpChannel.h
@@ -597,6 +597,10 @@ private:
     HttpChannelSecurityWarningReporter* mWarningReporter;
 
     RefPtr<ADivertableParentChannel> mParentChannel;
+    
+    // Whether we send opportunistic encryption requests.
+    bool mSendUpgradeRequest;
+
 protected:
     virtual void DoNotifyListenerCleanup() override;
 
-- 
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