Bug 1658924: Implement HTTPS-First and automatically fall back to http if secure top-level connection is not available r=necko-reviewers,JulianWels,mattwoodrow,dragana

Differential Revision: https://phabricator.services.mozilla.com/D111686

docshell/base/nsDocShellLoadState.cpp

@@ -49,6 +49,7 @@ nsDocShellLoadState::nsDocShellLoadState(
   mInheritPrincipal = aLoadState.InheritPrincipal();
   mPrincipalIsExplicit = aLoadState.PrincipalIsExplicit();
   mForceAllowDataURI = aLoadState.ForceAllowDataURI();
+  mIsExemptFromHTTPSOnlyMode = aLoadState.IsExemptFromHTTPSOnlyMode();
   mOriginalFrameSrc = aLoadState.OriginalFrameSrc();
   mIsFormSubmission = aLoadState.IsFormSubmission();
   mLoadType = aLoadState.LoadType();
@@ -103,6 +104,7 @@ nsDocShellLoadState::nsDocShellLoadState(const nsDocShellLoadState& aOther)
       mPrincipalToInherit(aOther.mPrincipalToInherit),
       mPartitionedPrincipalToInherit(aOther.mPartitionedPrincipalToInherit),
       mForceAllowDataURI(aOther.mForceAllowDataURI),
+      mIsExemptFromHTTPSOnlyMode(aOther.mIsExemptFromHTTPSOnlyMode),
       mOriginalFrameSrc(aOther.mOriginalFrameSrc),
       mIsFormSubmission(aOther.mIsFormSubmission),
       mLoadType(aOther.mLoadType),
@@ -144,6 +146,7 @@ nsDocShellLoadState::nsDocShellLoadState(nsIURI* aURI, uint64_t aLoadIdentifier)
       mPrincipalIsExplicit(false),
       mNotifiedBeforeUnloadListeners(false),
       mForceAllowDataURI(false),
+      mIsExemptFromHTTPSOnlyMode(false),
       mOriginalFrameSrc(false),
       mIsFormSubmission(false),
       mLoadType(LOAD_NORMAL),
@@ -486,6 +489,15 @@ void nsDocShellLoadState::SetForceAllowDataURI(bool aForceAllowDataURI) {
   mForceAllowDataURI = aForceAllowDataURI;
 }
 
+bool nsDocShellLoadState::IsExemptFromHTTPSOnlyMode() const {
+  return mIsExemptFromHTTPSOnlyMode;
+}
+
+void nsDocShellLoadState::SetIsExemptFromHTTPSOnlyMode(
+    bool aIsExemptFromHTTPSOnlyMode) {
+  mIsExemptFromHTTPSOnlyMode = aIsExemptFromHTTPSOnlyMode;
+}
+
 bool nsDocShellLoadState::OriginalFrameSrc() const { return mOriginalFrameSrc; }
 
 void nsDocShellLoadState::SetOriginalFrameSrc(bool aOriginalFrameSrc) {
@@ -933,6 +945,7 @@ DocShellLoadStateInit nsDocShellLoadState::Serialize() {
   loadState.InheritPrincipal() = mInheritPrincipal;
   loadState.PrincipalIsExplicit() = mPrincipalIsExplicit;
   loadState.ForceAllowDataURI() = mForceAllowDataURI;
+  loadState.IsExemptFromHTTPSOnlyMode() = mIsExemptFromHTTPSOnlyMode;
   loadState.OriginalFrameSrc() = mOriginalFrameSrc;
   loadState.IsFormSubmission() = mIsFormSubmission;
   loadState.LoadType() = mLoadType;