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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 nsDigestAuth_h__
#define nsDigestAuth_h__
#include "nsICryptoHash.h"
#include "nsIHttpAuthenticator.h"
#include "nsStringFwd.h"
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"
#include "mozilla/StaticPtr.h"
namespace mozilla {
namespace net {
#define ALGO_SPECIFIED 0x01
#define ALGO_MD5 0x02
#define ALGO_MD5_SESS 0x04
#define QOP_AUTH 0x01
#define QOP_AUTH_INT 0x02
#define DIGEST_LENGTH 16
#define EXPANDED_DIGEST_LENGTH 32
#define NONCE_COUNT_LENGTH 8
//-----------------------------------------------------------------------------
// nsHttpDigestAuth
//-----------------------------------------------------------------------------
class nsHttpDigestAuth final : public nsIHttpAuthenticator {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIHTTPAUTHENTICATOR
nsHttpDigestAuth() = default;
static already_AddRefed<nsIHttpAuthenticator> GetOrCreate();
protected:
~nsHttpDigestAuth() = default;
[[nodiscard]] nsresult ExpandToHex(const char* digest, char* result);
[[nodiscard]] nsresult CalculateResponse(const char* ha1_digest,
const char* ha2_digest,
const nsCString& nonce, uint16_t qop,
const char* nonce_count,
const nsCString& cnonce,
char* result);
[[nodiscard]] nsresult CalculateHA1(const nsCString& username,
const nsCString& password,
const nsCString& realm,
uint16_t algorithm,
const nsCString& nonce,
const nsCString& cnonce, char* result);
[[nodiscard]] nsresult CalculateHA2(const nsCString& http_method,
const nsCString& http_uri_path,
uint16_t qop, const char* body_digest,
char* result);
[[nodiscard]] nsresult ParseChallenge(const char* challenge,
nsACString& realm, nsACString& domain,
nsACString& nonce, nsACString& opaque,
bool* stale, uint16_t* algorithm,
uint16_t* qop);
// result is in mHashBuf
[[nodiscard]] nsresult MD5Hash(const char* buf, uint32_t len);
[[nodiscard]] nsresult GetMethodAndPath(nsIHttpAuthenticableChannel*, bool,
nsCString&, nsCString&);
// append the quoted version of value to aHeaderLine
[[nodiscard]] nsresult AppendQuotedString(const nsACString& value,
nsACString& aHeaderLine);
protected:
nsCOMPtr<nsICryptoHash> mVerifier;
char mHashBuf[DIGEST_LENGTH];
static StaticRefPtr<nsHttpDigestAuth> gSingleton;
};
} // namespace net
} // namespace mozilla
#endif // nsHttpDigestAuth_h__
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