pjs/netwerk/protocol/http/nsHttpChannelAuthProvider.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set et cin ts=4 sw=4 sts=4: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Netscape Communications.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com> (original author)
* Christian Biesinger <cbiesinger@web.de>
* Wellington Fernando de Macedo <wfernandom2004@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsHttpChannelAuthProvider_h__
#define nsHttpChannelAuthProvider_h__
#include "nsHttp.h"
#include "nsIHttpChannelAuthProvider.h"
#include "nsIAuthPromptCallback.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsIHttpAuthenticableChannel.h"
#include "nsIURI.h"
#include "nsHttpAuthCache.h"
#include "nsProxyInfo.h"
class nsIHttpAuthenticator;
class nsHttpChannelAuthProvider : public nsIHttpChannelAuthProvider
, public nsIAuthPromptCallback
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICANCELABLE
NS_DECL_NSIHTTPCHANNELAUTHPROVIDER
NS_DECL_NSIAUTHPROMPTCALLBACK
nsHttpChannelAuthProvider();
virtual ~nsHttpChannelAuthProvider();
private:
const char *ProxyHost() const
{ return mProxyInfo ? mProxyInfo->Host().get() : nsnull; }
PRInt32 ProxyPort() const
{ return mProxyInfo ? mProxyInfo->Port() : -1; }
const char *Host() const { return mHost.get(); }
PRInt32 Port() const { return mPort; }
PRBool UsingSSL() const { return mUsingSSL; }
PRBool UsingHttpProxy() const
{ return !!(mProxyInfo && !nsCRT::strcmp(mProxyInfo->Type(), "http")); }
nsresult PrepareForAuthentication(PRBool proxyAuth);
nsresult GenCredsAndSetEntry(nsIHttpAuthenticator *, PRBool proxyAuth,
const char *scheme, const char *host,
PRInt32 port, const char *dir,
const char *realm, const char *challenge,
const nsHttpAuthIdentity &ident,
nsCOMPtr<nsISupports> &session, char **result);
nsresult GetAuthenticator(const char *challenge, nsCString &scheme,
nsIHttpAuthenticator **auth);
void ParseRealm(const char *challenge, nsACString &realm);
void GetIdentityFromURI(PRUint32 authFlags, nsHttpAuthIdentity&);
/**
* Following three methods return NS_ERROR_IN_PROGRESS when
* nsIAuthPrompt2.asyncPromptAuth method is called. This result indicates
* the user's decision will be gathered in a callback and is not an actual
* error.
*/
nsresult GetCredentials(const char *challenges, PRBool proxyAuth,
nsAFlatCString &creds);
nsresult GetCredentialsForChallenge(const char *challenge,
const char *scheme, PRBool proxyAuth,
nsIHttpAuthenticator *auth,
nsAFlatCString &creds);
nsresult PromptForIdentity(PRUint32 level, PRBool proxyAuth,
const char *realm, const char *authType,
PRUint32 authFlags, nsHttpAuthIdentity &);
PRBool ConfirmAuth(const nsString &bundleKey, PRBool doYesNoPrompt);
void SetAuthorizationHeader(nsHttpAuthCache *, nsHttpAtom header,
const char *scheme, const char *host,
PRInt32 port, const char *path,
nsHttpAuthIdentity &ident);
nsresult GetCurrentPath(nsACString &);
/**
* Return all information needed to build authorization information,
* all parameters except proxyAuth are out parameters. proxyAuth specifies
* with what authorization we work (WWW or proxy).
*/
nsresult GetAuthorizationMembers(PRBool proxyAuth, nsCSubstring& scheme,
const char*& host, PRInt32& port,
nsCSubstring& path,
nsHttpAuthIdentity*& ident,
nsISupports**& continuationState);
/**
* Method called to resume suspended transaction after we got credentials
* from the user. Called from OnAuthAvailable callback or OnAuthCancelled
* when credentials for next challenge were obtained synchronously.
*/
nsresult ContinueOnAuthAvailable(const nsCSubstring& creds);
nsresult DoRedirectChannelToHttps();
/**
* A function that takes care of reading STS headers and enforcing STS
* load rules. After a secure channel is erected, STS requires the channel
* to be trusted or any STS header data on the channel is ignored.
* This is called from ProcessResponse.
*/
nsresult ProcessSTSHeader();
private:
nsIHttpAuthenticableChannel *mAuthChannel; // weak ref
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsProxyInfo> mProxyInfo;
nsCString mHost;
PRInt32 mPort;
PRBool mUsingSSL;
nsISupports *mProxyAuthContinuationState;
nsCString mProxyAuthType;
nsISupports *mAuthContinuationState;
nsCString mAuthType;
nsHttpAuthIdentity mIdent;
nsHttpAuthIdentity mProxyIdent;
// Reference to the prompt waiting in prompt queue. The channel is
// responsible to call its cancel method when user in any way cancels
// this request.
nsCOMPtr<nsICancelable> mAsyncPromptAuthCancelable;
// Saved in GetCredentials when prompt is asynchronous, the first challenge
// we obtained from the server with 401/407 response, will be processed in
// OnAuthAvailable callback.
nsCString mCurrentChallenge;
// Saved in GetCredentials when prompt is asynchronous, remaning challenges
// we have to process when user cancels the auth dialog for the current
// challenge.
nsCString mRemainingChallenges;
// True when we need to authenticate to proxy, i.e. when we get 407
// response. Used in OnAuthAvailable and OnAuthCancelled callbacks.
PRUint32 mProxyAuth : 1;
PRUint32 mTriedProxyAuth : 1;
PRUint32 mTriedHostAuth : 1;
PRUint32 mSuppressDefensiveAuth : 1;
};
#endif // nsHttpChannelAuthProvider_h__