gecko-dev/caps/BasePrincipal.h

121 lines
4.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 mozilla_BasePrincipal_h
#define mozilla_BasePrincipal_h
#include "nsIPrincipal.h"
#include "nsIScriptSecurityManager.h"
#include "nsJSPrincipals.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
class nsIContentSecurityPolicy;
class nsIObjectOutputStream;
class nsIObjectInputStream;
namespace mozilla {
class OriginAttributes : public dom::OriginAttributesDictionary
{
public:
OriginAttributes() {}
OriginAttributes(uint32_t aAppId, bool aInBrowser)
{
mAppId = aAppId;
mInBrowser = aInBrowser;
}
explicit OriginAttributes(const OriginAttributesDictionary& aOther)
: OriginAttributesDictionary(aOther) {}
bool operator==(const OriginAttributes& aOther) const
{
return mAppId == aOther.mAppId &&
mInBrowser == aOther.mInBrowser &&
mAddonId == aOther.mAddonId;
}
bool operator!=(const OriginAttributes& aOther) const
{
return !(*this == aOther);
}
// Serializes/Deserializes non-default values into the suffix format, i.e.
// |!key1=value1&key2=value2|. If there are no non-default attributes, this
// returns an empty string.
void CreateSuffix(nsACString& aStr) const;
bool PopulateFromSuffix(const nsACString& aStr);
void CookieJar(nsACString& aStr);
// Populates the attributes from a string like
// |uri!key1=value1&key2=value2| and returns the uri without the suffix.
bool PopulateFromOrigin(const nsACString& aOrigin,
nsACString& aOriginNoSuffix);
};
/*
* Base class from which all nsIPrincipal implementations inherit. Use this for
* default implementations and other commonalities between principal
* implementations.
*
* We should merge nsJSPrincipals into this class at some point.
*/
class BasePrincipal : public nsJSPrincipals
{
public:
BasePrincipal();
enum DocumentDomainConsideration { DontConsiderDocumentDomain, ConsiderDocumentDomain};
bool Subsumes(nsIPrincipal* aOther, DocumentDomainConsideration aConsideration);
NS_IMETHOD GetOrigin(nsACString& aOrigin) final;
NS_IMETHOD GetOriginNoSuffix(nsACString& aOrigin) final;
NS_IMETHOD Equals(nsIPrincipal* other, bool* _retval) final;
NS_IMETHOD EqualsConsideringDomain(nsIPrincipal* other, bool* _retval) final;
NS_IMETHOD Subsumes(nsIPrincipal* other, bool* _retval) final;
NS_IMETHOD SubsumesConsideringDomain(nsIPrincipal* other, bool* _retval) final;
NS_IMETHOD GetCsp(nsIContentSecurityPolicy** aCsp) override;
NS_IMETHOD SetCsp(nsIContentSecurityPolicy* aCsp) override;
NS_IMETHOD GetCspJSON(nsAString& outCSPinJSON) override;
NS_IMETHOD GetIsNullPrincipal(bool* aIsNullPrincipal) override;
NS_IMETHOD GetJarPrefix(nsACString& aJarPrefix) final;
NS_IMETHOD GetOriginAttributes(JSContext* aCx, JS::MutableHandle<JS::Value> aVal) final;
NS_IMETHOD GetOriginSuffix(nsACString& aOriginSuffix) final;
NS_IMETHOD GetCookieJar(nsACString& aCookieJar) final;
NS_IMETHOD GetAppStatus(uint16_t* aAppStatus) final;
NS_IMETHOD GetAppId(uint32_t* aAppStatus) final;
NS_IMETHOD GetIsInBrowserElement(bool* aIsInBrowserElement) final;
NS_IMETHOD GetUnknownAppId(bool* aUnknownAppId) final;
virtual bool IsOnCSSUnprefixingWhitelist() override { return false; }
virtual bool IsCodebasePrincipal() const { return false; };
static BasePrincipal* Cast(nsIPrincipal* aPrin) { return static_cast<BasePrincipal*>(aPrin); }
static already_AddRefed<BasePrincipal> CreateCodebasePrincipal(nsIURI* aURI, OriginAttributes& aAttrs);
const OriginAttributes& OriginAttributesRef() { return mOriginAttributes; }
uint32_t AppId() const { return mOriginAttributes.mAppId; }
bool IsInBrowserElement() const { return mOriginAttributes.mInBrowser; }
protected:
virtual ~BasePrincipal();
virtual nsresult GetOriginInternal(nsACString& aOrigin) = 0;
virtual bool SubsumesInternal(nsIPrincipal* aOther, DocumentDomainConsideration aConsider) = 0;
// Helper to check whether this principal is associated with an addon that
// allows unprivileged code to load aURI.
bool AddonAllowsLoad(nsIURI* aURI);
nsCOMPtr<nsIContentSecurityPolicy> mCSP;
OriginAttributes mOriginAttributes;
};
} // namespace mozilla
#endif /* mozilla_BasePrincipal_h */