1 files changed, 105 insertions, 0 deletions
diff --git a/caps/ExpandedPrincipal.h b/caps/ExpandedPrincipal.h
new file mode 100644
index 0000000000..748a0c4138
--- /dev/null
+++ b/caps/ExpandedPrincipal.h
@@ -0,0 +1,105 @@
+/* -*- 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/. */
+
+#ifndef ExpandedPrincipal_h
+#define ExpandedPrincipal_h
+
+#include "nsCOMPtr.h"
+#include "nsJSPrincipals.h"
+#include "nsProxyRelease.h"
+#include "nsTArray.h"
+#include "nsNetUtil.h"
+#include "mozilla/BasePrincipal.h"
+
+class nsIContentSecurityPolicy;
+
+namespace Json {
+class Value;
+}
+
+class ExpandedPrincipal : public nsIExpandedPrincipal,
+                          public mozilla::BasePrincipal {
+ public:
+  static already_AddRefed<ExpandedPrincipal> Create(
+      const nsTArray<nsCOMPtr<nsIPrincipal>>& aAllowList,
+      const mozilla::OriginAttributes& aAttrs);
+
+  static PrincipalKind Kind() { return eExpandedPrincipal; }
+
+  NS_DECL_NSIEXPANDEDPRINCIPAL
+
+  NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
+    return nsJSPrincipals::AddRef();
+  };
+  NS_IMETHOD_(MozExternalRefCountType) Release() override {
+    return nsJSPrincipals::Release();
+  };
+  NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
+  uint32_t GetHashValue() override;
+  NS_IMETHOD GetURI(nsIURI** aURI) override;
+  NS_IMETHOD GetDomain(nsIURI** aDomain) override;
+  NS_IMETHOD SetDomain(nsIURI* aDomain) override;
+  NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
+  NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
+  NS_IMETHOD IsThirdPartyURI(nsIURI* uri, bool* aRes) override;
+  virtual bool AddonHasPermission(const nsAtom* aPerm) override;
+  virtual nsresult GetScriptLocation(nsACString& aStr) override;
+
+  bool AddonAllowsLoad(nsIURI* aURI, bool aExplicit = false);
+
+  void SetCsp(nsIContentSecurityPolicy* aCSP);
+
+  // Returns the principal to inherit when this principal requests the given
+  // URL. See BasePrincipal::PrincipalToInherit.
+  nsIPrincipal* PrincipalToInherit(nsIURI* aRequestedURI = nullptr);
+
+  nsresult GetSiteIdentifier(mozilla::SiteIdentifier& aSite) override;
+
+  virtual nsresult PopulateJSONObject(Json::Value& aObject) override;
+  // Serializable keys are the valid enum fields the serialization supports
+  enum SerializableKeys : uint8_t { eSpecs = 0, eSuffix, eMax = eSuffix };
+  typedef mozilla::BasePrincipal::KeyValT<SerializableKeys> KeyVal;
+
+  // This is the legacy serializer for expanded principals. See note for
+  // `IsLegacyFormat` in BasePrincipal.cpp.
+  static already_AddRefed<BasePrincipal> FromProperties(
+      nsTArray<ExpandedPrincipal::KeyVal>& aFields);
+
+  // This is the new serializer for expanded principals. See note for
+  // `IsLegacyFormat` in BasePrincipal.cpp.
+  static already_AddRefed<BasePrincipal> FromProperties(
+      const Json::Value& aJSON);
+
+  class Deserializer : public BasePrincipal::Deserializer {
+   public:
+    NS_IMETHOD Read(nsIObjectInputStream* aStream) override;
+  };
+
+ protected:
+  explicit ExpandedPrincipal(nsTArray<nsCOMPtr<nsIPrincipal>>&& aPrincipals,
+                             const nsACString& aOriginNoSuffix,
+                             const mozilla::OriginAttributes& aAttrs);
+
+  virtual ~ExpandedPrincipal();
+
+  bool SubsumesInternal(nsIPrincipal* aOther,
+                        DocumentDomainConsideration aConsideration) override;
+
+  bool MayLoadInternal(nsIURI* aURI) override;
+
+ private:
+  const nsTArray<nsCOMPtr<nsIPrincipal>> mPrincipals;
+  nsMainThreadPtrHandle<nsIContentSecurityPolicy> mCSP
+      MOZ_GUARDED_BY(mozilla::sMainThreadCapability);
+};
+
+#define NS_EXPANDEDPRINCIPAL_CID                     \
+  {                                                  \
+    0xe8ee88b0, 0x5571, 0x4086, {                    \
+      0xa4, 0x5b, 0x39, 0xa7, 0x16, 0x90, 0x6b, 0xdb \
+    }                                                \
+  }
+
+#endif  // ExpandedPrincipal_h