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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 nsHttpAuthCache_h__
#define nsHttpAuthCache_h__
#include "nsError.h"
#include "nsTArray.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "plhash.h"
#include "nsIObserver.h"
class nsCString;
namespace mozilla {
class OriginAttributesPattern;
namespace net {
struct nsHttpAuthPath {
struct nsHttpAuthPath *mNext;
char mPath[1];
};
//-----------------------------------------------------------------------------
// nsHttpAuthIdentity
//-----------------------------------------------------------------------------
class nsHttpAuthIdentity
{
public:
nsHttpAuthIdentity()
: mUser(nullptr)
, mPass(nullptr)
, mDomain(nullptr)
{
}
nsHttpAuthIdentity(const char16_t *domain,
const char16_t *user,
const char16_t *password)
: mUser(nullptr)
{
Set(domain, user, password);
}
~nsHttpAuthIdentity()
{
Clear();
}
const char16_t *Domain() const { return mDomain; }
const char16_t *User() const { return mUser; }
const char16_t *Password() const { return mPass; }
nsresult Set(const char16_t *domain,
const char16_t *user,
const char16_t *password);
nsresult Set(const nsHttpAuthIdentity &other) { return Set(other.mDomain, other.mUser, other.mPass); }
void Clear();
bool Equals(const nsHttpAuthIdentity &other) const;
bool IsEmpty() const { return !mUser; }
private:
// allocated as one contiguous blob, starting at mUser.
char16_t *mUser;
char16_t *mPass;
char16_t *mDomain;
};
//-----------------------------------------------------------------------------
// nsHttpAuthEntry
//-----------------------------------------------------------------------------
class nsHttpAuthEntry
{
public:
const char *Realm() const { return mRealm; }
const char *Creds() const { return mCreds; }
const char *Challenge() const { return mChallenge; }
const char16_t *Domain() const { return mIdent.Domain(); }
const char16_t *User() const { return mIdent.User(); }
const char16_t *Pass() const { return mIdent.Password(); }
nsHttpAuthPath *RootPath() { return mRoot; }
const nsHttpAuthIdentity &Identity() const { return mIdent; }
nsresult AddPath(const char *aPath);
nsCOMPtr<nsISupports> mMetaData;
private:
nsHttpAuthEntry(const char *path,
const char *realm,
const char *creds,
const char *challenge,
const nsHttpAuthIdentity *ident,
nsISupports *metadata)
: mRoot(nullptr)
, mTail(nullptr)
, mRealm(nullptr)
{
Set(path, realm, creds, challenge, ident, metadata);
}
~nsHttpAuthEntry();
nsresult Set(const char *path,
const char *realm,
const char *creds,
const char *challenge,
const nsHttpAuthIdentity *ident,
nsISupports *metadata);
nsHttpAuthIdentity mIdent;
nsHttpAuthPath *mRoot; //root pointer
nsHttpAuthPath *mTail; //tail pointer
// allocated together in one blob, starting with mRealm.
char *mRealm;
char *mCreds;
char *mChallenge;
friend class nsHttpAuthNode;
friend class nsHttpAuthCache;
friend class nsAutoPtr<nsHttpAuthEntry>; // needs to call the destructor
};
//-----------------------------------------------------------------------------
// nsHttpAuthNode
//-----------------------------------------------------------------------------
class nsHttpAuthNode
{
private:
nsHttpAuthNode();
~nsHttpAuthNode();
// path can be null, in which case we'll search for an entry
// with a null path.
nsHttpAuthEntry *LookupEntryByPath(const char *path);
// realm must not be null
nsHttpAuthEntry *LookupEntryByRealm(const char *realm);
// if a matching entry is found, then credentials will be changed.
nsresult SetAuthEntry(const char *path,
const char *realm,
const char *credentials,
const char *challenge,
const nsHttpAuthIdentity *ident,
nsISupports *metadata);
void ClearAuthEntry(const char *realm);
uint32_t EntryCount() { return mList.Length(); }
private:
nsTArray<nsAutoPtr<nsHttpAuthEntry> > mList;
friend class nsHttpAuthCache;
};
//-----------------------------------------------------------------------------
// nsHttpAuthCache
// (holds a hash table from host:port to nsHttpAuthNode)
//-----------------------------------------------------------------------------
class nsHttpAuthCache
{
public:
nsHttpAuthCache();
~nsHttpAuthCache();
nsresult Init();
// |scheme|, |host|, and |port| are required
// |path| can be null
// |entry| is either null or a weak reference
nsresult GetAuthEntryForPath(const char *scheme,
const char *host,
int32_t port,
const char *path,
nsACString const &originSuffix,
nsHttpAuthEntry **entry);
// |scheme|, |host|, and |port| are required
// |realm| must not be null
// |entry| is either null or a weak reference
nsresult GetAuthEntryForDomain(const char *scheme,
const char *host,
int32_t port,
const char *realm,
nsACString const &originSuffix,
nsHttpAuthEntry **entry);
// |scheme|, |host|, and |port| are required
// |path| can be null
// |realm| must not be null
// if |credentials|, |user|, |pass|, and |challenge| are each
// null, then the entry is deleted.
nsresult SetAuthEntry(const char *scheme,
const char *host,
int32_t port,
const char *directory,
const char *realm,
const char *credentials,
const char *challenge,
nsACString const &originSuffix,
const nsHttpAuthIdentity *ident,
nsISupports *metadata);
void ClearAuthEntry(const char *scheme,
const char *host,
int32_t port,
const char *realm,
nsACString const &originSuffix);
// expire all existing auth list entries including proxy auths.
nsresult ClearAll();
private:
nsHttpAuthNode *LookupAuthNode(const char *scheme,
const char *host,
int32_t port,
nsACString const &originSuffix,
nsCString &key);
// hash table allocation functions
static void* AllocTable(void *, size_t size);
static void FreeTable(void *, void *item);
static PLHashEntry* AllocEntry(void *, const void *key);
static void FreeEntry(void *, PLHashEntry *he, unsigned flag);
static PLHashAllocOps gHashAllocOps;
class OriginClearObserver : public nsIObserver {
virtual ~OriginClearObserver() {}
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
explicit OriginClearObserver(nsHttpAuthCache* aOwner) : mOwner(aOwner) {}
nsHttpAuthCache* mOwner;
};
void ClearOriginData(OriginAttributesPattern const &pattern);
private:
PLHashTable *mDB; // "host:port" --> nsHttpAuthNode
RefPtr<OriginClearObserver> mObserver;
};
} // namespace net
} // namespace mozilla
#endif // nsHttpAuthCache_h__
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