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/* -*- Mode: C++; tab-width: 8; 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 nsCSPContext_h___
#define nsCSPContext_h___
#include "mozilla/dom/nsCSPUtils.h"
#include "nsDataHashtable.h"
#include "nsIChannel.h"
#include "nsIChannelEventSink.h"
#include "nsIClassInfo.h"
#include "nsIContentSecurityPolicy.h"
#include "nsIInterfaceRequestor.h"
#include "nsISerializable.h"
#include "nsIStreamListener.h"
#include "nsWeakReference.h"
#include "nsXPCOM.h"
#define NS_CSPCONTEXT_CONTRACTID "@mozilla.org/cspcontext;1"
// 09d9ed1a-e5d4-4004-bfe0-27ceb923d9ac
#define NS_CSPCONTEXT_CID \
{ 0x09d9ed1a, 0xe5d4, 0x4004, \
{ 0xbf, 0xe0, 0x27, 0xce, 0xb9, 0x23, 0xd9, 0xac } }
class nsINetworkInterceptController;
struct ConsoleMsgQueueElem;
class nsCSPContext : public nsIContentSecurityPolicy
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTSECURITYPOLICY
NS_DECL_NSISERIALIZABLE
protected:
virtual ~nsCSPContext();
public:
nsCSPContext();
/**
* SetRequestContext() needs to be called before the innerWindowID
* is initialized on the document. Use this function to call back to
* flush queued up console messages and initalize the innerWindowID.
*/
void flushConsoleMessages();
void logToConsole(const char16_t* aName,
const char16_t** aParams,
uint32_t aParamsLength,
const nsAString& aSourceName,
const nsAString& aSourceLine,
uint32_t aLineNumber,
uint32_t aColumnNumber,
uint32_t aSeverityFlag);
nsresult SendReports(nsISupports* aBlockedContentSource,
nsIURI* aOriginalURI,
nsAString& aViolatedDirective,
uint32_t aViolatedPolicyIndex,
nsAString& aSourceFile,
nsAString& aScriptSample,
uint32_t aLineNum);
nsresult AsyncReportViolation(nsISupports* aBlockedContentSource,
nsIURI* aOriginalURI,
const nsAString& aViolatedDirective,
uint32_t aViolatedPolicyIndex,
const nsAString& aObserverSubject,
const nsAString& aSourceFile,
const nsAString& aScriptSample,
uint32_t aLineNum);
// Hands off! Don't call this method unless you know what you
// are doing. It's only supposed to be called from within
// the principal destructor to avoid a tangling pointer.
void clearLoadingPrincipal() {
mLoadingPrincipal = nullptr;
}
nsWeakPtr GetLoadingContext(){
return mLoadingContext;
}
private:
bool permitsInternal(CSPDirective aDir,
nsIURI* aContentLocation,
nsIURI* aOriginalURI,
const nsAString& aNonce,
bool aWasRedirected,
bool aIsPreload,
bool aSpecific,
bool aSendViolationReports,
bool aSendContentLocationInViolationReports,
bool aParserCreated);
// helper to report inline script/style violations
void reportInlineViolation(nsContentPolicyType aContentType,
const nsAString& aNonce,
const nsAString& aContent,
const nsAString& aViolatedDirective,
uint32_t aViolatedPolicyIndex,
uint32_t aLineNumber);
nsString mReferrer;
uint64_t mInnerWindowID; // used for web console logging
nsTArray<nsCSPPolicy*> mPolicies;
nsCOMPtr<nsIURI> mSelfURI;
nsDataHashtable<nsCStringHashKey, int16_t> mShouldLoadCache;
nsCOMPtr<nsILoadGroup> mCallingChannelLoadGroup;
nsWeakPtr mLoadingContext;
// The CSP hangs off the principal, so let's store a raw pointer of the principal
// to avoid memory leaks. Within the destructor of the principal we explicitly
// set mLoadingPrincipal to null.
nsIPrincipal* mLoadingPrincipal;
// helper members used to queue up web console messages till
// the windowID becomes available. see flushConsoleMessages()
nsTArray<ConsoleMsgQueueElem> mConsoleMsgQueue;
bool mQueueUpMessages;
};
// Class that listens to violation report transmission and logs errors.
class CSPViolationReportListener : public nsIStreamListener
{
public:
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_ISUPPORTS
public:
CSPViolationReportListener();
protected:
virtual ~CSPViolationReportListener();
};
// The POST of the violation report (if it happens) should not follow
// redirects, per the spec. hence, we implement an nsIChannelEventSink
// with an object so we can tell XHR to abort if a redirect happens.
class CSPReportRedirectSink final : public nsIChannelEventSink,
public nsIInterfaceRequestor
{
public:
NS_DECL_NSICHANNELEVENTSINK
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_ISUPPORTS
public:
CSPReportRedirectSink();
void SetInterceptController(nsINetworkInterceptController* aInterceptController);
protected:
virtual ~CSPReportRedirectSink();
private:
nsCOMPtr<nsINetworkInterceptController> mInterceptController;
};
#endif /* nsCSPContext_h___ */
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