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/* -*- 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 nsCertOverrideService_h
#define nsCertOverrideService_h
#include <utility>
#include "mozilla/HashFunctions.h"
#include "mozilla/Mutex.h"
#include "mozilla/TaskQueue.h"
#include "nsIAsyncShutdown.h"
#include "nsICertOverrideService.h"
#include "nsIFile.h"
#include "nsIObserver.h"
#include "nsString.h"
#include "nsTHashtable.h"
#include "nsWeakReference.h"
#include "secoidt.h"
class nsCertOverride final : public nsICertOverride {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSICERTOVERRIDE
nsCertOverride() : mPort(-1), mIsTemporary(false) {}
nsCString mAsciiHost;
int32_t mPort;
OriginAttributes mOriginAttributes;
bool mIsTemporary; // true: session only, false: stored on disk
nsCString mFingerprint;
nsCString mDBKey;
nsCOMPtr<nsIX509Cert> mCert;
private:
~nsCertOverride() = default;
};
// hash entry class
class nsCertOverrideEntry final : public PLDHashEntryHdr {
public:
// Hash methods
typedef const char* KeyType;
typedef const char* KeyTypePointer;
// do nothing with aHost - we require mHead to be set before we're live!
explicit nsCertOverrideEntry(KeyTypePointer aHostWithPortUTF8) {}
nsCertOverrideEntry(nsCertOverrideEntry&& toMove)
: PLDHashEntryHdr(std::move(toMove)),
mSettings(std::move(toMove.mSettings)),
mKeyString(std::move(toMove.mKeyString)) {}
~nsCertOverrideEntry() = default;
KeyType GetKey() const { return KeyStringPtr(); }
KeyTypePointer GetKeyPointer() const { return KeyStringPtr(); }
bool KeyEquals(KeyTypePointer aKey) const {
return !strcmp(KeyStringPtr(), aKey);
}
static KeyTypePointer KeyToPointer(KeyType aKey) { return aKey; }
static PLDHashNumber HashKey(KeyTypePointer aKey) {
return mozilla::HashString(aKey);
}
enum { ALLOW_MEMMOVE = false };
// get methods
inline const nsCString& KeyString() const { return mKeyString; }
inline KeyTypePointer KeyStringPtr() const { return mKeyString.get(); }
RefPtr<nsCertOverride> mSettings;
nsCString mKeyString;
};
class nsCertOverrideService final : public nsICertOverrideService,
public nsIObserver,
public nsSupportsWeakReference,
public nsIAsyncShutdownBlocker {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSICERTOVERRIDESERVICE
NS_DECL_NSIOBSERVER
NS_DECL_NSIASYNCSHUTDOWNBLOCKER
nsCertOverrideService();
nsresult Init();
void RemoveAllTemporaryOverrides();
// Concatenates host name and the port number. If the port number is -1 then
// port 443 is automatically used. This method ensures there is always a port
// number separated with colon.
static void GetHostWithPort(const nsACString& aHostName, int32_t aPort,
nsACString& aRetval);
// Concatenates host name, port number, and origin attributes.
static void GetKeyString(const nsACString& aHostName, int32_t aPort,
const OriginAttributes& aOriginAttributes,
nsACString& aRetval);
void AssertOnTaskQueue() const {
MOZ_ASSERT(mWriterTaskQueue->IsOnCurrentThread());
}
void RemoveShutdownBlocker();
private:
~nsCertOverrideService();
mozilla::Mutex mMutex;
bool mDisableAllSecurityCheck MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsIFile> mSettingsFile MOZ_GUARDED_BY(mMutex);
nsTHashtable<nsCertOverrideEntry> mSettingsTable MOZ_GUARDED_BY(mMutex);
void CountPermanentOverrideTelemetry(
const mozilla::MutexAutoLock& aProofOfLock);
nsresult Read(const mozilla::MutexAutoLock& aProofOfLock);
nsresult Write(const mozilla::MutexAutoLock& aProofOfLock);
nsresult AddEntryToList(const nsACString& host, int32_t port,
const OriginAttributes& aOriginAttributes,
nsIX509Cert* aCert, const bool aIsTemporary,
const nsACString& fingerprint,
const nsACString& dbKey,
const mozilla::MutexAutoLock& aProofOfLock);
already_AddRefed<nsCertOverride> GetOverrideFor(
const nsACString& aHostName, int32_t aPort,
const OriginAttributes& aOriginAttributes);
// Set in constructor only
RefPtr<mozilla::TaskQueue> mWriterTaskQueue;
// Only accessed on the main thread
uint64_t mPendingWriteCount;
};
#define NS_CERTOVERRIDE_CID \
{ /* 67ba681d-5485-4fff-952c-2ee337ffdcd6 */ \
0x67ba681d, 0x5485, 0x4fff, { \
0x95, 0x2c, 0x2e, 0xe3, 0x37, 0xff, 0xdc, 0xd6 \
} \
}
#endif // nsCertOverrideService_h
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