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/* 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 __nsSiteSecurityService_h__
#define __nsSiteSecurityService_h__
#include "mozilla/BasePrincipal.h"
#include "mozilla/Dafsa.h"
#include "mozilla/DataStorage.h"
#include "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "nsIObserver.h"
#include "nsISiteSecurityService.h"
#include "nsString.h"
#include "nsTArray.h"
#include "mozpkix/pkixtypes.h"
#include "prtime.h"
class nsIURI;
using mozilla::OriginAttributes;
// {16955eee-6c48-4152-9309-c42a465138a1}
#define NS_SITE_SECURITY_SERVICE_CID \
{ \
0x16955eee, 0x6c48, 0x4152, { \
0x93, 0x09, 0xc4, 0x2a, 0x46, 0x51, 0x38, 0xa1 \
} \
}
/**
* SecurityPropertyState: A utility enum for representing the different states
* a security property can be in.
* SecurityPropertySet and SecurityPropertyUnset correspond to indicating
* a site has or does not have the security property in question, respectively.
* SecurityPropertyKnockout indicates a value on a preloaded list is being
* overridden, and the associated site does not have the security property
* in question.
*/
enum SecurityPropertyState {
SecurityPropertyUnset = 0,
SecurityPropertySet = 1,
SecurityPropertyKnockout = 2,
};
/**
* SiteHSTSState: A utility class that encodes/decodes a string describing
* the security state of a site. Currently only handles HSTS.
* HSTS state consists of:
* - Hostname (nsCString)
* - Origin attributes (OriginAttributes)
* - Expiry time (PRTime (aka int64_t) in milliseconds)
* - A state flag (SecurityPropertyState, default SecurityPropertyUnset)
* - An include subdomains flag (bool, default false)
*/
class SiteHSTSState {
public:
SiteHSTSState(const nsCString& aHost,
const OriginAttributes& aOriginAttributes,
const nsCString& aStateString);
SiteHSTSState(const nsCString& aHost,
const OriginAttributes& aOriginAttributes,
PRTime aHSTSExpireTime, SecurityPropertyState aHSTSState,
bool aHSTSIncludeSubdomains);
nsCString mHostname;
OriginAttributes mOriginAttributes;
PRTime mHSTSExpireTime;
SecurityPropertyState mHSTSState;
bool mHSTSIncludeSubdomains;
bool IsExpired() {
// If mHSTSExpireTime is 0, this entry never expires (this is the case for
// knockout entries).
if (mHSTSExpireTime == 0) {
return false;
}
PRTime now = PR_Now() / PR_USEC_PER_MSEC;
if (now > mHSTSExpireTime) {
return true;
}
return false;
}
void ToString(nsCString& aString);
};
struct nsSTSPreload;
class nsSiteSecurityService : public nsISiteSecurityService,
public nsIObserver {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSISITESECURITYSERVICE
nsSiteSecurityService();
nsresult Init();
static nsresult GetHost(nsIURI* aURI, nsACString& aResult);
static bool HostIsIPAddress(const nsCString& hostname);
protected:
virtual ~nsSiteSecurityService();
private:
nsresult SetHSTSState(const char* aHost, int64_t maxage,
bool includeSubdomains,
SecurityPropertyState aHSTSState,
const OriginAttributes& aOriginAttributes);
nsresult ProcessHeaderInternal(nsIURI* aSourceURI, const nsCString& aHeader,
const OriginAttributes& aOriginAttributes,
uint64_t* aMaxAge, bool* aIncludeSubdomains,
uint32_t* aFailureResult);
nsresult ProcessSTSHeader(nsIURI* aSourceURI, const nsCString& aHeader,
const OriginAttributes& aOriginAttributes,
uint64_t* aMaxAge, bool* aIncludeSubdomains,
uint32_t* aFailureResult);
nsresult MarkHostAsNotHSTS(const nsAutoCString& aHost,
const OriginAttributes& aOriginAttributes);
nsresult ResetStateInternal(nsIURI* aURI,
const OriginAttributes& aOriginAttributes,
nsISiteSecurityService::ResetStateBy aScope);
void ResetStateForExactDomain(const nsCString& aHostname,
const OriginAttributes& aOriginAttributes);
bool HostMatchesHSTSEntry(const nsAutoCString& aHost,
bool aRequireIncludeSubdomains,
const OriginAttributes& aOriginAttributes);
bool GetPreloadStatus(
const nsACString& aHost,
/*optional out*/ bool* aIncludeSubdomains = nullptr) const;
nsresult IsSecureHost(const nsACString& aHost,
const OriginAttributes& aOriginAttributes,
bool* aResult);
bool mUsePreloadList;
int64_t mPreloadListTimeOffset;
RefPtr<mozilla::DataStorage> mSiteStateStorage;
const mozilla::Dafsa mDafsa;
};
#endif // __nsSiteSecurityService_h__
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