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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsSecureBrowserUI.h"
#include "mozilla/Assertions.h"
#include "mozilla/Logging.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/Document.h"
#include "nsContentUtils.h"
#include "nsIChannel.h"
#include "nsDocShell.h"
#include "nsIDocShellTreeItem.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsITransportSecurityInfo.h"
#include "nsIWebProgress.h"
#include "nsNetUtil.h"
#include "mozilla/dom/CanonicalBrowsingContext.h"
#include "mozilla/dom/WindowGlobalParent.h"
#include "mozilla/dom/Element.h"
#include "nsIBrowser.h"
using namespace mozilla;
using namespace mozilla::dom;
LazyLogModule gSecureBrowserUILog("nsSecureBrowserUI");
nsSecureBrowserUI::nsSecureBrowserUI(CanonicalBrowsingContext* aBrowsingContext)
: mState(0) {
MOZ_ASSERT(NS_IsMainThread());
// The BrowsingContext will own the SecureBrowserUI object, we keep a weak
// ref.
mBrowsingContextId = aBrowsingContext->Id();
}
NS_IMPL_ISUPPORTS(nsSecureBrowserUI, nsISecureBrowserUI,
nsISupportsWeakReference)
NS_IMETHODIMP
nsSecureBrowserUI::GetState(uint32_t* aState) {
MOZ_ASSERT(NS_IsMainThread());
NS_ENSURE_ARG(aState);
MOZ_LOG(gSecureBrowserUILog, LogLevel::Debug,
("GetState %p mState: %x", this, mState));
*aState = mState;
return NS_OK;
}
void nsSecureBrowserUI::RecomputeSecurityFlags() {
// Our BrowsingContext either has a new WindowGlobalParent, or the
// existing one has mutated its security state.
// Recompute our security state and fire notifications to listeners
RefPtr<WindowGlobalParent> win = GetCurrentWindow();
mState = nsIWebProgressListener::STATE_IS_INSECURE;
// Only https is considered secure (it is possible to have e.g. an http URI
// with a channel that has a securityInfo that indicates the connection is
// secure - e.g. h2/alt-svc or by visiting an http URI over an https proxy).
nsCOMPtr<nsITransportSecurityInfo> securityInfo;
if (win && win->GetIsSecure()) {
securityInfo = win->GetSecurityInfo();
if (securityInfo) {
MOZ_LOG(gSecureBrowserUILog, LogLevel::Debug,
(" we have a security info %p", securityInfo.get()));
nsresult rv = securityInfo->GetSecurityState(&mState);
// If the security state is STATE_IS_INSECURE, the TLS handshake never
// completed. Don't set any further state.
if (NS_SUCCEEDED(rv) &&
mState != nsIWebProgressListener::STATE_IS_INSECURE) {
MOZ_LOG(gSecureBrowserUILog, LogLevel::Debug,
(" set mTopLevelSecurityInfo"));
bool isEV;
rv = securityInfo->GetIsExtendedValidation(&isEV);
if (NS_SUCCEEDED(rv) && isEV) {
MOZ_LOG(gSecureBrowserUILog, LogLevel::Debug, (" is EV"));
mState |= nsIWebProgressListener::STATE_IDENTITY_EV_TOPLEVEL;
}
}
}
}
// Add upgraded-state flags when request has been
// upgraded with HTTPS-Only Mode
if (win) {
// Check if top-level load has been upgraded
uint32_t httpsOnlyStatus = win->HttpsOnlyStatus();
if (!(httpsOnlyStatus & nsILoadInfo::HTTPS_ONLY_UNINITIALIZED) &&
!(httpsOnlyStatus & nsILoadInfo::HTTPS_ONLY_EXEMPT)) {
mState |= nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADED;
}
if (httpsOnlyStatus & nsILoadInfo::HTTPS_ONLY_UPGRADED_HTTPS_FIRST) {
if (win->GetDocumentURI()->SchemeIs("https")) {
mState |= nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADED_FIRST;
} else {
mState |= nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADE_FAILED;
}
}
// Add the secruity flags from the window
mState |= win->GetSecurityFlags();
}
// If we have loaded mixed content and this is a secure page,
// then clear secure flags and add broken instead.
static const uint32_t kLoadedMixedContentFlags =
nsIWebProgressListener::STATE_LOADED_MIXED_DISPLAY_CONTENT |
nsIWebProgressListener::STATE_LOADED_MIXED_ACTIVE_CONTENT;
if (win && win->GetIsSecure() && (mState & kLoadedMixedContentFlags)) {
// reset state security flag
mState = mState >> 4 << 4;
// set state security flag to broken, since there is mixed content
mState |= nsIWebProgressListener::STATE_IS_BROKEN;
}
RefPtr<CanonicalBrowsingContext> ctx =
CanonicalBrowsingContext::Get(mBrowsingContextId);
if (!ctx) {
return;
}
if (ctx->GetDocShell()) {
nsDocShell* nativeDocShell = nsDocShell::Cast(ctx->GetDocShell());
nativeDocShell->nsDocLoader::OnSecurityChange(nullptr, mState);
} else if (ctx->GetWebProgress()) {
ctx->GetWebProgress()->OnSecurityChange(nullptr, nullptr, mState);
}
}
NS_IMETHODIMP
nsSecureBrowserUI::GetIsSecureContext(bool* aIsSecureContext) {
MOZ_ASSERT(NS_IsMainThread());
NS_ENSURE_ARG(aIsSecureContext);
if (WindowGlobalParent* parent = GetCurrentWindow()) {
*aIsSecureContext = parent->GetIsSecureContext();
} else {
*aIsSecureContext = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsSecureBrowserUI::GetSecInfo(nsITransportSecurityInfo** result) {
MOZ_ASSERT(NS_IsMainThread());
NS_ENSURE_ARG_POINTER(result);
if (WindowGlobalParent* parent = GetCurrentWindow()) {
*result = parent->GetSecurityInfo();
}
NS_IF_ADDREF(*result);
return NS_OK;
}
WindowGlobalParent* nsSecureBrowserUI::GetCurrentWindow() {
RefPtr<CanonicalBrowsingContext> ctx =
CanonicalBrowsingContext::Get(mBrowsingContextId);
if (!ctx) {
return nullptr;
}
return ctx->GetCurrentWindowGlobal();
}
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