commit 5526a109e6266ce31f8014912d5b91b154736ef6 Author: Alex Catarineu acat@torproject.org Date: Mon Nov 25 13:29:47 2019 +0000

Bug 1598647 - Set Origin to null with network.http.referer.hideOnionSource r=JuniorHsu

Differential Revision: https://phabricator.services.mozilla.com/D54303

--HG-- extra : moz-landing-system : lando --- dom/security/ReferrerInfo.cpp | 3 ++- dom/security/ReferrerInfo.h | 2 +- netwerk/protocol/http/nsCORSListenerProxy.cpp | 2 +- netwerk/protocol/http/nsHttpChannel.cpp | 17 +++++++---------- 4 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/dom/security/ReferrerInfo.cpp b/dom/security/ReferrerInfo.cpp index 2d06d9b3d3d3..25d9cd3290c0 100644 --- a/dom/security/ReferrerInfo.cpp +++ b/dom/security/ReferrerInfo.cpp @@ -322,7 +322,8 @@ nsresult ReferrerInfo::HandleUserReferrerSendingPolicy(nsIHttpChannel* aChannel, return NS_OK; }

-bool ReferrerInfo::IsCrossOriginRequest(nsIHttpChannel* aChannel) const { +/* static */ +bool ReferrerInfo::IsCrossOriginRequest(nsIHttpChannel* aChannel) { nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo();

nsCOMPtr<nsIURI> triggeringURI; diff --git a/dom/security/ReferrerInfo.h b/dom/security/ReferrerInfo.h index bf21233a0510..5fa052f3f32d 100644 --- a/dom/security/ReferrerInfo.h +++ b/dom/security/ReferrerInfo.h @@ -155,7 +155,7 @@ class ReferrerInfo : public nsIReferrerInfo { * Computing whether the request is cross-origin may be expensive, so please * do that in cases where we're going to use this information later on. */ - bool IsCrossOriginRequest(nsIHttpChannel* aChannel) const; + static bool IsCrossOriginRequest(nsIHttpChannel* aChannel);

/* * Check whether referrer is allowed to send in secure to insecure scenario. diff --git a/netwerk/protocol/http/nsCORSListenerProxy.cpp b/netwerk/protocol/http/nsCORSListenerProxy.cpp index 36b263ddf003..36027a5d2809 100644 --- a/netwerk/protocol/http/nsCORSListenerProxy.cpp +++ b/netwerk/protocol/http/nsCORSListenerProxy.cpp @@ -985,7 +985,7 @@ nsresult nsCORSListenerProxy::UpdateChannel(nsIChannel* aChannel,

if (!currentOrgin.EqualsIgnoreCase(origin.get()) && StringEndsWith(potentialOnionHost, NS_LITERAL_CSTRING(".onion"))) { - origin.Truncate(); + origin.AssignLiteral("null"); } }

diff --git a/netwerk/protocol/http/nsHttpChannel.cpp b/netwerk/protocol/http/nsHttpChannel.cpp index d9c750dff4b0..b2c0956d0b66 100644 --- a/netwerk/protocol/http/nsHttpChannel.cpp +++ b/netwerk/protocol/http/nsHttpChannel.cpp @@ -9634,8 +9634,7 @@ void nsHttpChannel::SetOriginHeader() { nsContentUtils::GetASCIIOrigin(referrer, origin); }

- // Restrict Origin to same-origin loads if requested by user or leaving from - // .onion + // Restrict Origin to same-origin loads if requested by user if (sSendOriginHeader == 1) { nsAutoCString currentOrigin; nsContentUtils::GetASCIIOrigin(mURI, currentOrigin); @@ -9643,16 +9642,14 @@ void nsHttpChannel::SetOriginHeader() { // Origin header suppressed by user setting return; } - } else if (dom::ReferrerInfo::HideOnionReferrerSource()) { + } + + if (dom::ReferrerInfo::HideOnionReferrerSource()) { nsAutoCString host; if (referrer && NS_SUCCEEDED(referrer->GetAsciiHost(host)) && - StringEndsWith(host, NS_LITERAL_CSTRING(".onion"))) { - nsAutoCString currentOrigin; - nsContentUtils::GetASCIIOrigin(mURI, currentOrigin); - if (!origin.EqualsIgnoreCase(currentOrigin.get())) { - // Origin header is suppressed by .onion - return; - } + StringEndsWith(host, NS_LITERAL_CSTRING(".onion")) && + dom::ReferrerInfo::IsCrossOriginRequest(this)) { + origin.AssignLiteral("null"); } }