gecko-dev/netwerk/protocol/http/nsHttpBasicAuth.cpp
2012-10-04 02:14:06 -04:00

96 lines
3.3 KiB
C++

/* -*- 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/. */
#include <stdlib.h>
#include "nsHttp.h"
#include "nsHttpBasicAuth.h"
#include "plbase64.h"
#include "plstr.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,
bool isProxyAuth,
nsISupports **sessionState,
nsISupports **continuationState,
bool *identityInvalid)
{
// if challenged, then the username:password that was sent must
// have been wrong.
*identityInvalid = true;
return NS_OK;
}
NS_IMETHODIMP
nsHttpBasicAuth::GenerateCredentials(nsIHttpAuthenticableChannel *authChannel,
const char *challenge,
bool isProxyAuth,
const PRUnichar *domain,
const PRUnichar *user,
const PRUnichar *password,
nsISupports **sessionState,
nsISupports **continuationState,
uint32_t *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.
bool isBasicAuth = !PL_strncasecmp(challenge, "basic", 5);
NS_ENSURE_TRUE(isBasicAuth, NS_ERROR_UNEXPECTED);
// we work with ASCII around here
nsAutoCString 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(uint32_t *flags)
{
*flags = REQUEST_BASED | REUSABLE_CREDENTIALS | REUSABLE_CHALLENGE;
return NS_OK;
}