pjs/netwerk/protocol/http/nsHttpBasicAuth.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Gagan Saksena <gagan@netscape.com> (original author)
* Mike Shaver <shaver@zeroknowledge.com>
* Christopher Blizzard <blizzard@mozilla.org>
* Darin Fisher <darin@netscape.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 ***** */
#include <stdlib.h>
#include "nsHttp.h"
#include "nsHttpBasicAuth.h"
#include "plbase64.h"
#include "plstr.h"
#include "prmem.h"
#include "nsString.h"
//-----------------------------------------------------------------------------
// nsHttpBasicAuth <public>
//-----------------------------------------------------------------------------
nsHttpBasicAuth::nsHttpBasicAuth()
{
}
nsHttpBasicAuth::~nsHttpBasicAuth()
{
}
//-----------------------------------------------------------------------------
// nsHttpBasicAuth::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS1(nsHttpBasicAuth, nsIHttpAuthenticator)
//-----------------------------------------------------------------------------
// nsHttpBasicAuth::nsIHttpAuthenticator
//-----------------------------------------------------------------------------
NS_IMETHODIMP
nsHttpBasicAuth::ChallengeReceived(nsIHttpAuthenticableChannel *authChannel,
const char *challenge,
PRBool isProxyAuth,
nsISupports **sessionState,
nsISupports **continuationState,
PRBool *identityInvalid)
{
// if challenged, then the username:password that was sent must
// have been wrong.
*identityInvalid = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsHttpBasicAuth::GenerateCredentials(nsIHttpAuthenticableChannel *authChannel,
const char *challenge,
PRBool isProxyAuth,
const PRUnichar *domain,
const PRUnichar *user,
const PRUnichar *password,
nsISupports **sessionState,
nsISupports **continuationState,
PRUint32 *aFlags,
char **creds)
{
LOG(("nsHttpBasicAuth::GenerateCredentials [challenge=%s]\n", challenge));
NS_ENSURE_ARG_POINTER(creds);
*aFlags = 0;
// we only know how to deal with Basic auth for http.
PRBool isBasicAuth = !PL_strncasecmp(challenge, "basic", 5);
NS_ENSURE_TRUE(isBasicAuth, NS_ERROR_UNEXPECTED);
// we work with ASCII around here
nsCAutoString userpass;
LossyCopyUTF16toASCII(user, userpass);
userpass.Append(':'); // always send a ':' (see bug 129565)
if (password)
LossyAppendUTF16toASCII(password, userpass);
// plbase64.h provides this worst-case output buffer size calculation.
// use calloc, since PL_Base64Encode does not null terminate.
*creds = (char *) calloc(6 + ((userpass.Length() + 2)/3)*4 + 1, 1);
if (!*creds)
return NS_ERROR_OUT_OF_MEMORY;
memcpy(*creds, "Basic ", 6);
PL_Base64Encode(userpass.get(), userpass.Length(), *creds + 6);
return NS_OK;
}
NS_IMETHODIMP
nsHttpBasicAuth::GetAuthFlags(nsresult *flags)
{
*flags = REQUEST_BASED | REUSABLE_CREDENTIALS | REUSABLE_CHALLENGE;
return NS_OK;
}