mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
1476 lines
50 KiB
C++
1476 lines
50 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set expandtab ts=4 sw=4 sts=4 cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsHttpChannelAuthProvider.h"
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#include "nsNetUtil.h"
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#include "nsHttpHandler.h"
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#include "nsIHttpAuthenticator.h"
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#include "nsIAuthPrompt2.h"
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#include "nsIAuthPromptProvider.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsEscape.h"
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#include "nsAuthInformationHolder.h"
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#include "nsIStringBundle.h"
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#include "nsIPrompt.h"
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#include "nsIAuthModule.h"
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#include "nsIDNSService.h"
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#include "nsNetCID.h"
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#include "nsIDNSRecord.h"
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#include "nsNetUtil.h"
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static void
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GetAppIdAndBrowserStatus(nsIChannel* aChan, uint32_t* aAppId, bool* aInBrowserElem)
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{
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nsCOMPtr<nsILoadContext> loadContext;
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if (aChan) {
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NS_QueryNotificationCallbacks(aChan, loadContext);
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}
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if (!loadContext) {
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*aAppId = NECKO_NO_APP_ID;
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*aInBrowserElem = false;
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} else {
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loadContext->GetAppId(aAppId);
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loadContext->GetIsInBrowserElement(aInBrowserElem);
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}
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}
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nsHttpChannelAuthProvider::nsHttpChannelAuthProvider()
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: mAuthChannel(nullptr)
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, mIsPrivate(false)
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, mProxyAuthContinuationState(nullptr)
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, mAuthContinuationState(nullptr)
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, mProxyAuth(false)
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, mTriedProxyAuth(false)
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, mTriedHostAuth(false)
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, mSuppressDefensiveAuth(false)
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, mResolvedHost(0)
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{
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// grab a reference to the handler to ensure that it doesn't go away.
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nsHttpHandler *handler = gHttpHandler;
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NS_ADDREF(handler);
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}
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nsHttpChannelAuthProvider::~nsHttpChannelAuthProvider()
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{
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NS_ASSERTION(!mAuthChannel, "Disconnect wasn't called");
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// release our reference to the handler
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nsHttpHandler *handler = gHttpHandler;
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NS_RELEASE(handler);
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::Init(nsIHttpAuthenticableChannel *channel)
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{
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NS_ASSERTION(channel, "channel expected!");
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mAuthChannel = channel;
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nsresult rv = mAuthChannel->GetURI(getter_AddRefs(mURI));
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if (NS_FAILED(rv)) return rv;
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mAuthChannel->GetIsSSL(&mUsingSSL);
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if (NS_FAILED(rv)) return rv;
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rv = mURI->GetAsciiHost(mHost);
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if (NS_FAILED(rv)) return rv;
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// reject the URL if it doesn't specify a host
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if (mHost.IsEmpty())
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return NS_ERROR_MALFORMED_URI;
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rv = mURI->GetPort(&mPort);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIChannel> bareChannel = do_QueryInterface(channel);
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mIsPrivate = NS_UsePrivateBrowsing(bareChannel);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::ProcessAuthentication(uint32_t httpStatus,
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bool SSLConnectFailed)
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{
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LOG(("nsHttpChannelAuthProvider::ProcessAuthentication "
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"[this=%p channel=%p code=%u SSLConnectFailed=%d]\n",
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this, mAuthChannel, httpStatus, SSLConnectFailed));
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NS_ASSERTION(mAuthChannel, "Channel not initialized");
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mCanonicalizedHost.Truncate();
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mResolvedHost = 0;
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nsCOMPtr<nsIProxyInfo> proxyInfo;
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nsresult rv = mAuthChannel->GetProxyInfo(getter_AddRefs(proxyInfo));
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if (NS_FAILED(rv)) return rv;
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if (proxyInfo) {
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mProxyInfo = do_QueryInterface(proxyInfo);
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if (!mProxyInfo) return NS_ERROR_NO_INTERFACE;
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}
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nsAutoCString challenges;
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mProxyAuth = (httpStatus == 407);
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rv = PrepareForAuthentication(mProxyAuth);
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if (NS_FAILED(rv))
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return rv;
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if (mProxyAuth) {
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// only allow a proxy challenge if we have a proxy server configured.
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// otherwise, we could inadvertently expose the user's proxy
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// credentials to an origin server. We could attempt to proceed as
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// if we had received a 401 from the server, but why risk flirting
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// with trouble? IE similarly rejects 407s when a proxy server is
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// not configured, so there's no reason not to do the same.
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if (!UsingHttpProxy()) {
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LOG(("rejecting 407 when proxy server not configured!\n"));
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return NS_ERROR_UNEXPECTED;
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}
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if (UsingSSL() && !SSLConnectFailed) {
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// we need to verify that this challenge came from the proxy
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// server itself, and not some server on the other side of the
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// SSL tunnel.
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LOG(("rejecting 407 from origin server!\n"));
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return NS_ERROR_UNEXPECTED;
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}
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rv = mAuthChannel->GetProxyChallenges(challenges);
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}
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else
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rv = mAuthChannel->GetWWWChallenges(challenges);
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if (NS_FAILED(rv)) return rv;
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nsAutoCString creds;
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rv = GetCredentials(challenges.get(), mProxyAuth, creds);
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if (rv == NS_ERROR_IN_PROGRESS)
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return rv;
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if (NS_FAILED(rv))
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LOG(("unable to authenticate\n"));
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else {
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// set the authentication credentials
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if (mProxyAuth)
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rv = mAuthChannel->SetProxyCredentials(creds);
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else
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rv = mAuthChannel->SetWWWCredentials(creds);
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}
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return rv;
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::AddAuthorizationHeaders()
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{
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LOG(("nsHttpChannelAuthProvider::AddAuthorizationHeaders? "
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"[this=%p channel=%p]\n", this, mAuthChannel));
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NS_ASSERTION(mAuthChannel, "Channel not initialized");
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nsCOMPtr<nsIProxyInfo> proxyInfo;
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nsresult rv = mAuthChannel->GetProxyInfo(getter_AddRefs(proxyInfo));
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if (NS_FAILED(rv)) return rv;
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if (proxyInfo) {
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mProxyInfo = do_QueryInterface(proxyInfo);
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if (!mProxyInfo) return NS_ERROR_NO_INTERFACE;
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}
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uint32_t loadFlags;
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rv = mAuthChannel->GetLoadFlags(&loadFlags);
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if (NS_FAILED(rv)) return rv;
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// this getter never fails
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nsHttpAuthCache *authCache = gHttpHandler->AuthCache(mIsPrivate);
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// check if proxy credentials should be sent
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const char *proxyHost = ProxyHost();
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if (proxyHost && UsingHttpProxy())
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SetAuthorizationHeader(authCache, nsHttp::Proxy_Authorization,
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"http", proxyHost, ProxyPort(),
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nullptr, // proxy has no path
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mProxyIdent);
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if (loadFlags & nsIRequest::LOAD_ANONYMOUS) {
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LOG(("Skipping Authorization header for anonymous load\n"));
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return NS_OK;
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}
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// check if server credentials should be sent
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nsAutoCString path, scheme;
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if (NS_SUCCEEDED(GetCurrentPath(path)) &&
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NS_SUCCEEDED(mURI->GetScheme(scheme))) {
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SetAuthorizationHeader(authCache, nsHttp::Authorization,
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scheme.get(),
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Host(),
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Port(),
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path.get(),
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mIdent);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::CheckForSuperfluousAuth()
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{
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LOG(("nsHttpChannelAuthProvider::CheckForSuperfluousAuth? "
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"[this=%p channel=%p]\n", this, mAuthChannel));
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NS_ASSERTION(mAuthChannel, "Channel not initialized");
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// we've been called because it has been determined that this channel is
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// getting loaded without taking the userpass from the URL. if the URL
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// contained a userpass, then (provided some other conditions are true),
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// we'll give the user an opportunity to abort the channel as this might be
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// an attempt to spoof a different site (see bug 232567).
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if (!ConfirmAuth(NS_LITERAL_STRING("SuperfluousAuth"), true)) {
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// calling cancel here sets our mStatus and aborts the HTTP
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// transaction, which prevents OnDataAvailable events.
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mAuthChannel->Cancel(NS_ERROR_ABORT);
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return NS_ERROR_ABORT;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::Cancel(nsresult status)
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{
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NS_ASSERTION(mAuthChannel, "Channel not initialized");
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if (mAsyncPromptAuthCancelable) {
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mAsyncPromptAuthCancelable->Cancel(status);
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mAsyncPromptAuthCancelable = nullptr;
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}
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if (mDNSQuery) {
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mDNSQuery->Cancel(status);
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mDNSQuery = nullptr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHttpChannelAuthProvider::Disconnect(nsresult status)
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{
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mAuthChannel = nullptr;
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if (mAsyncPromptAuthCancelable) {
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mAsyncPromptAuthCancelable->Cancel(status);
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mAsyncPromptAuthCancelable = nullptr;
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}
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if (mDNSQuery) {
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mDNSQuery->Cancel(status);
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mDNSQuery = nullptr;
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}
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NS_IF_RELEASE(mProxyAuthContinuationState);
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NS_IF_RELEASE(mAuthContinuationState);
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return NS_OK;
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}
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// buf contains "domain\user"
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static void
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ParseUserDomain(PRUnichar *buf,
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const PRUnichar **user,
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const PRUnichar **domain)
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{
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PRUnichar *p = buf;
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while (*p && *p != '\\') ++p;
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if (!*p)
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return;
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*p = '\0';
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*domain = buf;
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*user = p + 1;
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}
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// helper function for setting identity from raw user:pass
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static void
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SetIdent(nsHttpAuthIdentity &ident,
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uint32_t authFlags,
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PRUnichar *userBuf,
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PRUnichar *passBuf)
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{
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const PRUnichar *user = userBuf;
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const PRUnichar *domain = nullptr;
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if (authFlags & nsIHttpAuthenticator::IDENTITY_INCLUDES_DOMAIN)
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ParseUserDomain(userBuf, &user, &domain);
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ident.Set(domain, user, passBuf);
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}
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// helper function for getting an auth prompt from an interface requestor
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static void
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GetAuthPrompt(nsIInterfaceRequestor *ifreq, bool proxyAuth,
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nsIAuthPrompt2 **result)
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{
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if (!ifreq)
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return;
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uint32_t promptReason;
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if (proxyAuth)
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promptReason = nsIAuthPromptProvider::PROMPT_PROXY;
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else
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promptReason = nsIAuthPromptProvider::PROMPT_NORMAL;
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nsCOMPtr<nsIAuthPromptProvider> promptProvider = do_GetInterface(ifreq);
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if (promptProvider)
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promptProvider->GetAuthPrompt(promptReason,
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NS_GET_IID(nsIAuthPrompt2),
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reinterpret_cast<void**>(result));
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else
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NS_QueryAuthPrompt2(ifreq, result);
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}
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// generate credentials for the given challenge, and update the auth cache.
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nsresult
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nsHttpChannelAuthProvider::GenCredsAndSetEntry(nsIHttpAuthenticator *auth,
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bool proxyAuth,
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const char *scheme,
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const char *host,
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int32_t port,
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const char *directory,
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const char *realm,
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const char *challenge,
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const nsHttpAuthIdentity &ident,
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nsCOMPtr<nsISupports> &sessionState,
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char **result)
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{
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nsresult rv;
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uint32_t authFlags;
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rv = auth->GetAuthFlags(&authFlags);
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if (NS_FAILED(rv)) return rv;
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nsISupports *ss = sessionState;
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// set informations that depend on whether
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// we're authenticating against a proxy
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// or a webserver
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nsISupports **continuationState;
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if (proxyAuth) {
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continuationState = &mProxyAuthContinuationState;
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} else {
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continuationState = &mAuthContinuationState;
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}
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uint32_t generateFlags;
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rv = auth->GenerateCredentials(mAuthChannel,
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challenge,
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proxyAuth,
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ident.Domain(),
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ident.User(),
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ident.Password(),
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&ss,
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&*continuationState,
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&generateFlags,
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result);
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sessionState.swap(ss);
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if (NS_FAILED(rv)) return rv;
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// don't log this in release build since it could contain sensitive info.
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#ifdef DEBUG
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LOG(("generated creds: %s\n", *result));
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#endif
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// find out if this authenticator allows reuse of credentials and/or
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// challenge.
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bool saveCreds =
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0 != (authFlags & nsIHttpAuthenticator::REUSABLE_CREDENTIALS);
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bool saveChallenge =
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0 != (authFlags & nsIHttpAuthenticator::REUSABLE_CHALLENGE);
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bool saveIdentity =
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0 == (generateFlags & nsIHttpAuthenticator::USING_INTERNAL_IDENTITY);
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// this getter never fails
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nsHttpAuthCache *authCache = gHttpHandler->AuthCache(mIsPrivate);
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nsCOMPtr<nsIChannel> chan = do_QueryInterface(mAuthChannel);
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uint32_t appId;
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bool isInBrowserElement;
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GetAppIdAndBrowserStatus(chan, &appId, &isInBrowserElement);
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// create a cache entry. we do this even though we don't yet know that
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// these credentials are valid b/c we need to avoid prompting the user
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// more than once in case the credentials are valid.
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//
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// if the credentials are not reusable, then we don't bother sticking
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// them in the auth cache.
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rv = authCache->SetAuthEntry(scheme, host, port, directory, realm,
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saveCreds ? *result : nullptr,
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saveChallenge ? challenge : nullptr,
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appId, isInBrowserElement,
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saveIdentity ? &ident : nullptr,
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sessionState);
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return rv;
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}
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nsresult
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nsHttpChannelAuthProvider::PrepareForAuthentication(bool proxyAuth)
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{
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LOG(("nsHttpChannelAuthProvider::PrepareForAuthentication "
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"[this=%p channel=%p]\n", this, mAuthChannel));
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if (!proxyAuth) {
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// reset the current proxy continuation state because our last
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// authentication attempt was completed successfully.
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NS_IF_RELEASE(mProxyAuthContinuationState);
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LOG((" proxy continuation state has been reset"));
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}
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if (!UsingHttpProxy() || mProxyAuthType.IsEmpty())
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return NS_OK;
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// We need to remove any Proxy_Authorization header left over from a
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// non-request based authentication handshake (e.g., for NTLM auth).
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nsAutoCString contractId;
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contractId.Assign(NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX);
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contractId.Append(mProxyAuthType);
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nsresult rv;
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nsCOMPtr<nsIHttpAuthenticator> precedingAuth =
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do_GetService(contractId.get(), &rv);
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if (NS_FAILED(rv))
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return rv;
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uint32_t precedingAuthFlags;
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rv = precedingAuth->GetAuthFlags(&precedingAuthFlags);
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if (NS_FAILED(rv))
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return rv;
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if (!(precedingAuthFlags & nsIHttpAuthenticator::REQUEST_BASED)) {
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nsAutoCString challenges;
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rv = mAuthChannel->GetProxyChallenges(challenges);
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if (NS_FAILED(rv)) {
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// delete the proxy authorization header because we weren't
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// asked to authenticate
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rv = mAuthChannel->SetProxyCredentials(EmptyCString());
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if (NS_FAILED(rv)) return rv;
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LOG((" cleared proxy authorization header"));
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}
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}
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return NS_OK;
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}
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bool
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nsHttpChannelAuthProvider::AuthModuleRequiresCanonicalName(nsISupports *state)
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{
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if (mResolvedHost || !state)
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return false;
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nsCOMPtr<nsIAuthModule> module = do_QueryInterface(state);
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if (!module)
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return false;
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uint32_t flags;
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if (NS_FAILED(module->GetModuleProperties(&flags)))
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return false;
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if (!(flags & nsIAuthModule::CANONICAL_NAME_REQUIRED))
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return false;
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LOG(("nsHttpChannelAuthProvider::AuthModuleRequiresCanoncialName "
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"this=%p\n", this));
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return true;
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}
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nsresult
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nsHttpChannelAuthProvider::ResolveHost()
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{
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mResolvedHost = 1;
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nsresult rv;
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static NS_DEFINE_CID(kDNSServiceCID, NS_DNSSERVICE_CID);
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nsCOMPtr<nsIDNSService> dns = do_GetService(kDNSServiceCID, &rv);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsIURI> uri;
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rv = mAuthChannel->GetURI(getter_AddRefs(uri));
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if (NS_FAILED(rv))
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return rv;
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nsAutoCString host;
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rv = uri->GetAsciiHost(host);
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if (NS_FAILED(rv))
|
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return rv;
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LOG(("nsHttpChannelAuthProvider::ResolveHost() this=%p "
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"looking up canoncial of %s\n", this, host.get()));
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nsRefPtr<DNSCallback> dnsCallback = new DNSCallback(this);
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rv = dns->AsyncResolve(host,
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nsIDNSService::RESOLVE_CANONICAL_NAME,
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dnsCallback, NS_GetCurrentThread(),
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getter_AddRefs(mDNSQuery));
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return rv;
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}
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nsresult
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nsHttpChannelAuthProvider::GetCredentials(const char *challenges,
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bool proxyAuth,
|
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nsAFlatCString &creds)
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{
|
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nsCOMPtr<nsIHttpAuthenticator> auth;
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|
nsAutoCString challenge;
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|
|
nsCString authType; // force heap allocation to enable string sharing since
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|
// we'll be assigning this value into mAuthType.
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|
|
// set informations that depend on whether we're authenticating against a
|
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// proxy or a webserver
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|
nsISupports **currentContinuationState;
|
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nsCString *currentAuthType;
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|
|
if (proxyAuth) {
|
|
currentContinuationState = &mProxyAuthContinuationState;
|
|
currentAuthType = &mProxyAuthType;
|
|
} else {
|
|
currentContinuationState = &mAuthContinuationState;
|
|
currentAuthType = &mAuthType;
|
|
}
|
|
|
|
nsresult rv = NS_ERROR_NOT_AVAILABLE;
|
|
bool gotCreds = false;
|
|
|
|
// figure out which challenge we can handle and which authenticator to use.
|
|
for (const char *eol = challenges - 1; eol; ) {
|
|
const char *p = eol + 1;
|
|
|
|
// get the challenge string (LF separated -- see nsHttpHeaderArray)
|
|
if ((eol = strchr(p, '\n')) != nullptr)
|
|
challenge.Assign(p, eol - p);
|
|
else
|
|
challenge.Assign(p);
|
|
|
|
rv = GetAuthenticator(challenge.get(), authType, getter_AddRefs(auth));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
//
|
|
// if we've already selected an auth type from a previous challenge
|
|
// received while processing this channel, then skip others until
|
|
// we find a challenge corresponding to the previously tried auth
|
|
// type.
|
|
//
|
|
if (!currentAuthType->IsEmpty() && authType != *currentAuthType)
|
|
continue;
|
|
|
|
//
|
|
// we allow the routines to run all the way through before we
|
|
// decide if they are valid.
|
|
//
|
|
// we don't worry about the auth cache being altered because that
|
|
// would have been the last step, and if the error is from updating
|
|
// the authcache it wasn't really altered anyway. -CTN
|
|
//
|
|
// at this point the code is really only useful for client side
|
|
// errors (it will not automatically fail over to do a different
|
|
// auth type if the server keeps rejecting what is being sent, even
|
|
// if a particular auth method only knows 1 thing, like a
|
|
// non-identity based authentication method)
|
|
//
|
|
rv = GetCredentialsForChallenge(challenge.get(), authType.get(),
|
|
proxyAuth, auth, creds);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
gotCreds = true;
|
|
*currentAuthType = authType;
|
|
|
|
break;
|
|
}
|
|
else if (rv == NS_ERROR_IN_PROGRESS) {
|
|
// authentication prompt has been invoked and result is
|
|
// expected asynchronously, save current challenge being
|
|
// processed and all remaining challenges to use later in
|
|
// OnAuthAvailable and now immediately return
|
|
mCurrentChallenge = challenge;
|
|
mRemainingChallenges = eol ? eol+1 : nullptr;
|
|
return rv;
|
|
}
|
|
|
|
// reset the auth type and continuation state
|
|
NS_IF_RELEASE(*currentContinuationState);
|
|
currentAuthType->Truncate();
|
|
}
|
|
}
|
|
|
|
if (!gotCreds && !currentAuthType->IsEmpty()) {
|
|
// looks like we never found the auth type we were looking for.
|
|
// reset the auth type and continuation state, and try again.
|
|
currentAuthType->Truncate();
|
|
NS_IF_RELEASE(*currentContinuationState);
|
|
|
|
rv = GetCredentials(challenges, proxyAuth, creds);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::GetAuthorizationMembers(bool proxyAuth,
|
|
nsCSubstring& scheme,
|
|
const char*& host,
|
|
int32_t& port,
|
|
nsCSubstring& path,
|
|
nsHttpAuthIdentity*& ident,
|
|
nsISupports**& continuationState)
|
|
{
|
|
if (proxyAuth) {
|
|
NS_ASSERTION (UsingHttpProxy(),
|
|
"proxyAuth is true, but no HTTP proxy is configured!");
|
|
|
|
host = ProxyHost();
|
|
port = ProxyPort();
|
|
ident = &mProxyIdent;
|
|
scheme.AssignLiteral("http");
|
|
|
|
continuationState = &mProxyAuthContinuationState;
|
|
}
|
|
else {
|
|
host = Host();
|
|
port = Port();
|
|
ident = &mIdent;
|
|
|
|
nsresult rv;
|
|
rv = GetCurrentPath(path);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = mURI->GetScheme(scheme);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
continuationState = &mAuthContinuationState;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::GetCredentialsForChallenge(const char *challenge,
|
|
const char *authType,
|
|
bool proxyAuth,
|
|
nsIHttpAuthenticator *auth,
|
|
nsAFlatCString &creds)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::GetCredentialsForChallenge "
|
|
"[this=%p channel=%p proxyAuth=%d challenges=%s]\n",
|
|
this, mAuthChannel, proxyAuth, challenge));
|
|
|
|
// this getter never fails
|
|
nsHttpAuthCache *authCache = gHttpHandler->AuthCache(mIsPrivate);
|
|
|
|
uint32_t authFlags;
|
|
nsresult rv = auth->GetAuthFlags(&authFlags);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsAutoCString realm;
|
|
ParseRealm(challenge, realm);
|
|
|
|
// if no realm, then use the auth type as the realm. ToUpperCase so the
|
|
// ficticious realm stands out a bit more.
|
|
// XXX this will cause some single signon misses!
|
|
// XXX this was meant to be used with NTLM, which supplies no realm.
|
|
/*
|
|
if (realm.IsEmpty()) {
|
|
realm = authType;
|
|
ToUpperCase(realm);
|
|
}
|
|
*/
|
|
|
|
// set informations that depend on whether
|
|
// we're authenticating against a proxy
|
|
// or a webserver
|
|
const char *host;
|
|
int32_t port;
|
|
nsHttpAuthIdentity *ident;
|
|
nsAutoCString path, scheme;
|
|
bool identFromURI = false;
|
|
nsISupports **continuationState;
|
|
|
|
rv = GetAuthorizationMembers(proxyAuth, scheme, host, port,
|
|
path, ident, continuationState);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
uint32_t loadFlags;
|
|
rv = mAuthChannel->GetLoadFlags(&loadFlags);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (!proxyAuth) {
|
|
// if this is the first challenge, then try using the identity
|
|
// specified in the URL.
|
|
if (mIdent.IsEmpty()) {
|
|
GetIdentityFromURI(authFlags, mIdent);
|
|
identFromURI = !mIdent.IsEmpty();
|
|
}
|
|
|
|
if ((loadFlags & nsIRequest::LOAD_ANONYMOUS) && !identFromURI) {
|
|
LOG(("Skipping authentication for anonymous non-proxy request\n"));
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
// Let explicit URL credentials pass
|
|
// regardless of the LOAD_ANONYMOUS flag
|
|
}
|
|
else if ((loadFlags & nsIRequest::LOAD_ANONYMOUS) && !UsingHttpProxy()) {
|
|
LOG(("Skipping authentication for anonymous non-proxy request\n"));
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> chan = do_QueryInterface(mAuthChannel);
|
|
uint32_t appId;
|
|
bool isInBrowserElement;
|
|
GetAppIdAndBrowserStatus(chan, &appId, &isInBrowserElement);
|
|
|
|
//
|
|
// if we already tried some credentials for this transaction, then
|
|
// we need to possibly clear them from the cache, unless the credentials
|
|
// in the cache have changed, in which case we'd want to give them a
|
|
// try instead.
|
|
//
|
|
nsHttpAuthEntry *entry = nullptr;
|
|
authCache->GetAuthEntryForDomain(scheme.get(), host, port,
|
|
realm.get(), appId,
|
|
isInBrowserElement, &entry);
|
|
|
|
// hold reference to the auth session state (in case we clear our
|
|
// reference to the entry).
|
|
nsCOMPtr<nsISupports> sessionStateGrip;
|
|
if (entry)
|
|
sessionStateGrip = entry->mMetaData;
|
|
|
|
// for digest auth, maybe our cached nonce value simply timed out...
|
|
bool identityInvalid;
|
|
nsISupports *sessionState = sessionStateGrip;
|
|
rv = auth->ChallengeReceived(mAuthChannel,
|
|
challenge,
|
|
proxyAuth,
|
|
&sessionState,
|
|
&*continuationState,
|
|
&identityInvalid);
|
|
sessionStateGrip.swap(sessionState);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
LOG((" identity invalid = %d\n", identityInvalid));
|
|
|
|
if (identityInvalid) {
|
|
if (entry) {
|
|
if (ident->Equals(entry->Identity())) {
|
|
if (!identFromURI) {
|
|
LOG((" clearing bad auth cache entry\n"));
|
|
// ok, we've already tried this user identity, so clear the
|
|
// corresponding entry from the auth cache.
|
|
authCache->ClearAuthEntry(scheme.get(), host,
|
|
port, realm.get(),
|
|
appId, isInBrowserElement);
|
|
entry = nullptr;
|
|
ident->Clear();
|
|
}
|
|
}
|
|
else if (!identFromURI ||
|
|
(nsCRT::strcmp(ident->User(),
|
|
entry->Identity().User()) == 0 &&
|
|
!(loadFlags &
|
|
(nsIChannel::LOAD_ANONYMOUS |
|
|
nsIChannel::LOAD_EXPLICIT_CREDENTIALS)))) {
|
|
LOG((" taking identity from auth cache\n"));
|
|
// the password from the auth cache is more likely to be
|
|
// correct than the one in the URL. at least, we know that it
|
|
// works with the given username. it is possible for a server
|
|
// to distinguish logons based on the supplied password alone,
|
|
// but that would be quite unusual... and i don't think we need
|
|
// to worry about such unorthodox cases.
|
|
ident->Set(entry->Identity());
|
|
identFromURI = false;
|
|
if (entry->Creds()[0] != '\0') {
|
|
LOG((" using cached credentials!\n"));
|
|
creds.Assign(entry->Creds());
|
|
return entry->AddPath(path.get());
|
|
}
|
|
}
|
|
}
|
|
else if (!identFromURI) {
|
|
// hmm... identity invalid, but no auth entry! the realm probably
|
|
// changed (see bug 201986).
|
|
ident->Clear();
|
|
}
|
|
|
|
if (!entry && ident->IsEmpty()) {
|
|
uint32_t level = nsIAuthPrompt2::LEVEL_NONE;
|
|
if (mUsingSSL)
|
|
level = nsIAuthPrompt2::LEVEL_SECURE;
|
|
else if (authFlags & nsIHttpAuthenticator::IDENTITY_ENCRYPTED)
|
|
level = nsIAuthPrompt2::LEVEL_PW_ENCRYPTED;
|
|
|
|
// at this point we are forced to interact with the user to get
|
|
// their username and password for this domain.
|
|
rv = PromptForIdentity(level, proxyAuth, realm.get(),
|
|
authType, authFlags, *ident);
|
|
if (NS_FAILED(rv)) return rv;
|
|
identFromURI = false;
|
|
}
|
|
}
|
|
|
|
if (identFromURI) {
|
|
// Warn the user before automatically using the identity from the URL
|
|
// to automatically log them into a site (see bug 232567).
|
|
if (!ConfirmAuth(NS_LITERAL_STRING("AutomaticAuth"), false)) {
|
|
// calling cancel here sets our mStatus and aborts the HTTP
|
|
// transaction, which prevents OnDataAvailable events.
|
|
mAuthChannel->Cancel(NS_ERROR_ABORT);
|
|
// this return code alone is not equivalent to Cancel, since
|
|
// it only instructs our caller that authentication failed.
|
|
// without an explicit call to Cancel, our caller would just
|
|
// load the page that accompanies the HTTP auth challenge.
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
}
|
|
|
|
if (AuthModuleRequiresCanonicalName(*continuationState)) {
|
|
nsresult rv = ResolveHost();
|
|
if (NS_SUCCEEDED(rv))
|
|
return NS_ERROR_IN_PROGRESS;
|
|
return rv;
|
|
}
|
|
|
|
//
|
|
// get credentials for the given user:pass
|
|
//
|
|
// always store the credentials we're trying now so that they will be used
|
|
// on subsequent links. This will potentially remove good credentials from
|
|
// the cache. This is ok as we don't want to use cached credentials if the
|
|
// user specified something on the URI or in another manner. This is so
|
|
// that we don't transparently authenticate as someone they're not
|
|
// expecting to authenticate as.
|
|
//
|
|
nsXPIDLCString result;
|
|
rv = GenCredsAndSetEntry(auth, proxyAuth, scheme.get(), host, port,
|
|
path.get(), realm.get(), challenge, *ident,
|
|
sessionStateGrip, getter_Copies(result));
|
|
if (NS_SUCCEEDED(rv))
|
|
creds = result;
|
|
return rv;
|
|
}
|
|
|
|
inline void
|
|
GetAuthType(const char *challenge, nsCString &authType)
|
|
{
|
|
const char *p;
|
|
|
|
// get the challenge type
|
|
if ((p = strchr(challenge, ' ')) != nullptr)
|
|
authType.Assign(challenge, p - challenge);
|
|
else
|
|
authType.Assign(challenge);
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::GetAuthenticator(const char *challenge,
|
|
nsCString &authType,
|
|
nsIHttpAuthenticator **auth)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::GetAuthenticator [this=%p channel=%p]\n",
|
|
this, mAuthChannel));
|
|
|
|
GetAuthType(challenge, authType);
|
|
|
|
// normalize to lowercase
|
|
ToLowerCase(authType);
|
|
|
|
nsAutoCString contractid;
|
|
contractid.Assign(NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX);
|
|
contractid.Append(authType);
|
|
|
|
return CallGetService(contractid.get(), auth);
|
|
}
|
|
|
|
void
|
|
nsHttpChannelAuthProvider::GetIdentityFromURI(uint32_t authFlags,
|
|
nsHttpAuthIdentity &ident)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::GetIdentityFromURI [this=%p channel=%p]\n",
|
|
this, mAuthChannel));
|
|
|
|
nsAutoString userBuf;
|
|
nsAutoString passBuf;
|
|
|
|
// XXX i18n
|
|
nsAutoCString buf;
|
|
mURI->GetUsername(buf);
|
|
if (!buf.IsEmpty()) {
|
|
NS_UnescapeURL(buf);
|
|
CopyASCIItoUTF16(buf, userBuf);
|
|
mURI->GetPassword(buf);
|
|
if (!buf.IsEmpty()) {
|
|
NS_UnescapeURL(buf);
|
|
CopyASCIItoUTF16(buf, passBuf);
|
|
}
|
|
}
|
|
|
|
if (!userBuf.IsEmpty()) {
|
|
SetIdent(ident, authFlags, (PRUnichar *) userBuf.get(),
|
|
(PRUnichar *) passBuf.get());
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHttpChannelAuthProvider::ParseRealm(const char *challenge,
|
|
nsACString &realm)
|
|
{
|
|
//
|
|
// From RFC2617 section 1.2, the realm value is defined as such:
|
|
//
|
|
// realm = "realm" "=" realm-value
|
|
// realm-value = quoted-string
|
|
//
|
|
// but, we'll accept anything after the the "=" up to the first space, or
|
|
// end-of-line, if the string is not quoted.
|
|
//
|
|
const char *p = PL_strcasestr(challenge, "realm=");
|
|
if (p) {
|
|
bool has_quote = false;
|
|
p += 6;
|
|
if (*p == '"') {
|
|
has_quote = true;
|
|
p++;
|
|
}
|
|
|
|
const char *end = p;
|
|
while (*end && has_quote) {
|
|
// Loop through all the string characters to find the closing
|
|
// quote, ignoring escaped quotes.
|
|
if (*end == '"' && end[-1] != '\\')
|
|
break;
|
|
++end;
|
|
}
|
|
|
|
if (!has_quote)
|
|
end = strchr(p, ' ');
|
|
if (end)
|
|
realm.Assign(p, end - p);
|
|
else
|
|
realm.Assign(p);
|
|
}
|
|
}
|
|
|
|
|
|
class nsHTTPAuthInformation : public nsAuthInformationHolder {
|
|
public:
|
|
nsHTTPAuthInformation(uint32_t aFlags, const nsString& aRealm,
|
|
const nsCString& aAuthType)
|
|
: nsAuthInformationHolder(aFlags, aRealm, aAuthType) {}
|
|
|
|
void SetToHttpAuthIdentity(uint32_t authFlags,
|
|
nsHttpAuthIdentity& identity);
|
|
};
|
|
|
|
void
|
|
nsHTTPAuthInformation::SetToHttpAuthIdentity(uint32_t authFlags,
|
|
nsHttpAuthIdentity& identity)
|
|
{
|
|
identity.Set(Domain().get(), User().get(), Password().get());
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::PromptForIdentity(uint32_t level,
|
|
bool proxyAuth,
|
|
const char *realm,
|
|
const char *authType,
|
|
uint32_t authFlags,
|
|
nsHttpAuthIdentity &ident)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::PromptForIdentity [this=%p channel=%p]\n",
|
|
this, mAuthChannel));
|
|
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIInterfaceRequestor> callbacks;
|
|
rv = mAuthChannel->GetNotificationCallbacks(getter_AddRefs(callbacks));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
|
rv = mAuthChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIAuthPrompt2> authPrompt;
|
|
GetAuthPrompt(callbacks, proxyAuth, getter_AddRefs(authPrompt));
|
|
if (!authPrompt && loadGroup) {
|
|
nsCOMPtr<nsIInterfaceRequestor> cbs;
|
|
loadGroup->GetNotificationCallbacks(getter_AddRefs(cbs));
|
|
GetAuthPrompt(cbs, proxyAuth, getter_AddRefs(authPrompt));
|
|
}
|
|
if (!authPrompt)
|
|
return NS_ERROR_NO_INTERFACE;
|
|
|
|
// XXX i18n: need to support non-ASCII realm strings (see bug 41489)
|
|
NS_ConvertASCIItoUTF16 realmU(realm);
|
|
|
|
// prompt the user...
|
|
uint32_t promptFlags = 0;
|
|
if (proxyAuth)
|
|
{
|
|
promptFlags |= nsIAuthInformation::AUTH_PROXY;
|
|
if (mTriedProxyAuth)
|
|
promptFlags |= nsIAuthInformation::PREVIOUS_FAILED;
|
|
mTriedProxyAuth = true;
|
|
}
|
|
else {
|
|
promptFlags |= nsIAuthInformation::AUTH_HOST;
|
|
if (mTriedHostAuth)
|
|
promptFlags |= nsIAuthInformation::PREVIOUS_FAILED;
|
|
mTriedHostAuth = true;
|
|
}
|
|
|
|
if (authFlags & nsIHttpAuthenticator::IDENTITY_INCLUDES_DOMAIN)
|
|
promptFlags |= nsIAuthInformation::NEED_DOMAIN;
|
|
|
|
nsRefPtr<nsHTTPAuthInformation> holder =
|
|
new nsHTTPAuthInformation(promptFlags, realmU,
|
|
nsDependentCString(authType));
|
|
if (!holder)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
nsCOMPtr<nsIChannel> channel(do_QueryInterface(mAuthChannel, &rv));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv =
|
|
authPrompt->AsyncPromptAuth(channel, this, nullptr, level, holder,
|
|
getter_AddRefs(mAsyncPromptAuthCancelable));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// indicate using this error code that authentication prompt
|
|
// result is expected asynchronously
|
|
rv = NS_ERROR_IN_PROGRESS;
|
|
}
|
|
else {
|
|
// Fall back to synchronous prompt
|
|
bool retval = false;
|
|
rv = authPrompt->PromptAuth(channel, level, holder, &retval);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (!retval)
|
|
rv = NS_ERROR_ABORT;
|
|
else
|
|
holder->SetToHttpAuthIdentity(authFlags, ident);
|
|
}
|
|
|
|
// remember that we successfully showed the user an auth dialog
|
|
if (!proxyAuth)
|
|
mSuppressDefensiveAuth = true;
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHttpChannelAuthProvider::OnAuthAvailable(nsISupports *aContext,
|
|
nsIAuthInformation *aAuthInfo)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::OnAuthAvailable [this=%p channel=%p]",
|
|
this, mAuthChannel));
|
|
|
|
mAsyncPromptAuthCancelable = nullptr;
|
|
if (!mAuthChannel)
|
|
return NS_OK;
|
|
|
|
nsresult rv;
|
|
|
|
const char *host;
|
|
int32_t port;
|
|
nsHttpAuthIdentity *ident;
|
|
nsAutoCString path, scheme;
|
|
nsISupports **continuationState;
|
|
rv = GetAuthorizationMembers(mProxyAuth, scheme, host, port,
|
|
path, ident, continuationState);
|
|
if (NS_FAILED(rv))
|
|
OnAuthCancelled(aContext, false);
|
|
|
|
nsAutoCString realm;
|
|
ParseRealm(mCurrentChallenge.get(), realm);
|
|
|
|
nsCOMPtr<nsIChannel> chan = do_QueryInterface(mAuthChannel);
|
|
uint32_t appId;
|
|
bool isInBrowserElement;
|
|
GetAppIdAndBrowserStatus(chan, &appId, &isInBrowserElement);
|
|
|
|
nsHttpAuthCache *authCache = gHttpHandler->AuthCache(mIsPrivate);
|
|
nsHttpAuthEntry *entry = nullptr;
|
|
authCache->GetAuthEntryForDomain(scheme.get(), host, port,
|
|
realm.get(), appId,
|
|
isInBrowserElement,
|
|
&entry);
|
|
|
|
nsCOMPtr<nsISupports> sessionStateGrip;
|
|
if (entry)
|
|
sessionStateGrip = entry->mMetaData;
|
|
|
|
nsAuthInformationHolder* holder =
|
|
static_cast<nsAuthInformationHolder*>(aAuthInfo);
|
|
if (holder) {
|
|
ident->Set(holder->Domain().get(),
|
|
holder->User().get(),
|
|
holder->Password().get());
|
|
}
|
|
|
|
if (AuthModuleRequiresCanonicalName(*continuationState)) {
|
|
rv = ResolveHost();
|
|
if (NS_FAILED(rv))
|
|
OnAuthCancelled(aContext, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoCString unused;
|
|
nsCOMPtr<nsIHttpAuthenticator> auth;
|
|
rv = GetAuthenticator(mCurrentChallenge.get(), unused,
|
|
getter_AddRefs(auth));
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION(false, "GetAuthenticator failed");
|
|
OnAuthCancelled(aContext, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsXPIDLCString creds;
|
|
rv = GenCredsAndSetEntry(auth, mProxyAuth,
|
|
scheme.get(), host, port, path.get(),
|
|
realm.get(), mCurrentChallenge.get(), *ident,
|
|
sessionStateGrip, getter_Copies(creds));
|
|
|
|
mCurrentChallenge.Truncate();
|
|
if (NS_FAILED(rv)) {
|
|
OnAuthCancelled(aContext, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
return ContinueOnAuthAvailable(creds);
|
|
}
|
|
|
|
NS_IMETHODIMP nsHttpChannelAuthProvider::OnAuthCancelled(nsISupports *aContext,
|
|
bool userCancel)
|
|
{
|
|
LOG(("nsHttpChannelAuthProvider::OnAuthCancelled [this=%p channel=%p]",
|
|
this, mAuthChannel));
|
|
|
|
mAsyncPromptAuthCancelable = nullptr;
|
|
if (!mAuthChannel)
|
|
return NS_OK;
|
|
|
|
if (userCancel) {
|
|
if (!mRemainingChallenges.IsEmpty()) {
|
|
// there are still some challenges to process, do so
|
|
nsresult rv;
|
|
|
|
nsAutoCString creds;
|
|
rv = GetCredentials(mRemainingChallenges.get(), mProxyAuth, creds);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// GetCredentials loaded the credentials from the cache or
|
|
// some other way in a synchronous manner, process those
|
|
// credentials now
|
|
mRemainingChallenges.Truncate();
|
|
return ContinueOnAuthAvailable(creds);
|
|
}
|
|
else if (rv == NS_ERROR_IN_PROGRESS) {
|
|
// GetCredentials successfully queued another authprompt for
|
|
// a challenge from the list, we are now waiting for the user
|
|
// to provide the credentials
|
|
return NS_OK;
|
|
}
|
|
|
|
// otherwise, we failed...
|
|
}
|
|
|
|
mRemainingChallenges.Truncate();
|
|
}
|
|
|
|
mAuthChannel->OnAuthCancelled(userCancel);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::ContinueOnAuthAvailable(const nsCSubstring& creds)
|
|
{
|
|
nsresult rv;
|
|
if (mProxyAuth)
|
|
rv = mAuthChannel->SetProxyCredentials(creds);
|
|
else
|
|
rv = mAuthChannel->SetWWWCredentials(creds);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// drop our remaining list of challenges. We don't need them, because we
|
|
// have now authenticated against a challenge and will be sending that
|
|
// information to the server (or proxy). If it doesn't accept our
|
|
// authentication it'll respond with failure and resend the challenge list
|
|
mRemainingChallenges.Truncate();
|
|
|
|
mAuthChannel->OnAuthAvailable();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsHttpChannelAuthProvider::ConfirmAuth(const nsString &bundleKey,
|
|
bool doYesNoPrompt)
|
|
{
|
|
// skip prompting the user if
|
|
// 1) we've already prompted the user
|
|
// 2) we're not a toplevel channel
|
|
// 3) the userpass length is less than the "phishy" threshold
|
|
|
|
uint32_t loadFlags;
|
|
nsresult rv = mAuthChannel->GetLoadFlags(&loadFlags);
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
if (mSuppressDefensiveAuth ||
|
|
!(loadFlags & nsIChannel::LOAD_INITIAL_DOCUMENT_URI))
|
|
return true;
|
|
|
|
nsAutoCString userPass;
|
|
rv = mURI->GetUserPass(userPass);
|
|
if (NS_FAILED(rv) ||
|
|
(userPass.Length() < gHttpHandler->PhishyUserPassLength()))
|
|
return true;
|
|
|
|
// we try to confirm by prompting the user. if we cannot do so, then
|
|
// assume the user said ok. this is done to keep things working in
|
|
// embedded builds, where the string bundle might not be present, etc.
|
|
|
|
nsCOMPtr<nsIStringBundleService> bundleService =
|
|
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
|
|
if (!bundleService)
|
|
return true;
|
|
|
|
nsCOMPtr<nsIStringBundle> bundle;
|
|
bundleService->CreateBundle(NECKO_MSGS_URL, getter_AddRefs(bundle));
|
|
if (!bundle)
|
|
return true;
|
|
|
|
nsAutoCString host;
|
|
rv = mURI->GetHost(host);
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
nsAutoCString user;
|
|
rv = mURI->GetUsername(user);
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
NS_ConvertUTF8toUTF16 ucsHost(host), ucsUser(user);
|
|
const PRUnichar *strs[2] = { ucsHost.get(), ucsUser.get() };
|
|
|
|
nsXPIDLString msg;
|
|
bundle->FormatStringFromName(bundleKey.get(), strs, 2, getter_Copies(msg));
|
|
if (!msg)
|
|
return true;
|
|
|
|
nsCOMPtr<nsIInterfaceRequestor> callbacks;
|
|
rv = mAuthChannel->GetNotificationCallbacks(getter_AddRefs(callbacks));
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
|
rv = mAuthChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
nsCOMPtr<nsIPrompt> prompt;
|
|
NS_QueryNotificationCallbacks(callbacks, loadGroup, NS_GET_IID(nsIPrompt),
|
|
getter_AddRefs(prompt));
|
|
if (!prompt)
|
|
return true;
|
|
|
|
// do not prompt again
|
|
mSuppressDefensiveAuth = true;
|
|
|
|
bool confirmed;
|
|
if (doYesNoPrompt) {
|
|
int32_t choice;
|
|
// The actual value is irrelevant but we shouldn't be handing out
|
|
// malformed JSBools to XPConnect.
|
|
bool checkState = false;
|
|
rv = prompt->ConfirmEx(nullptr, msg,
|
|
nsIPrompt::BUTTON_POS_1_DEFAULT +
|
|
nsIPrompt::STD_YES_NO_BUTTONS,
|
|
nullptr, nullptr, nullptr, nullptr,
|
|
&checkState, &choice);
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
|
|
confirmed = choice == 0;
|
|
}
|
|
else {
|
|
rv = prompt->Confirm(nullptr, msg, &confirmed);
|
|
if (NS_FAILED(rv))
|
|
return true;
|
|
}
|
|
|
|
return confirmed;
|
|
}
|
|
|
|
void
|
|
nsHttpChannelAuthProvider::SetAuthorizationHeader(nsHttpAuthCache *authCache,
|
|
nsHttpAtom header,
|
|
const char *scheme,
|
|
const char *host,
|
|
int32_t port,
|
|
const char *path,
|
|
nsHttpAuthIdentity &ident)
|
|
{
|
|
nsHttpAuthEntry *entry = nullptr;
|
|
nsresult rv;
|
|
|
|
// set informations that depend on whether
|
|
// we're authenticating against a proxy
|
|
// or a webserver
|
|
nsISupports **continuationState;
|
|
|
|
if (header == nsHttp::Proxy_Authorization) {
|
|
continuationState = &mProxyAuthContinuationState;
|
|
} else {
|
|
continuationState = &mAuthContinuationState;
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> chan = do_QueryInterface(mAuthChannel);
|
|
uint32_t appId;
|
|
bool isInBrowserElement;
|
|
GetAppIdAndBrowserStatus(chan, &appId, &isInBrowserElement);
|
|
|
|
rv = authCache->GetAuthEntryForPath(scheme, host, port, path,
|
|
appId, isInBrowserElement, &entry);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// if we are trying to add a header for origin server auth and if the
|
|
// URL contains an explicit username, then try the given username first.
|
|
// we only want to do this, however, if we know the URL requires auth
|
|
// based on the presence of an auth cache entry for this URL (which is
|
|
// true since we are here). but, if the username from the URL matches
|
|
// the username from the cache, then we should prefer the password
|
|
// stored in the cache since that is most likely to be valid.
|
|
if (header == nsHttp::Authorization && entry->Domain()[0] == '\0') {
|
|
GetIdentityFromURI(0, ident);
|
|
// if the usernames match, then clear the ident so we will pick
|
|
// up the one from the auth cache instead.
|
|
// when this is undesired, specify LOAD_EXPLICIT_CREDENTIALS load
|
|
// flag.
|
|
if (nsCRT::strcmp(ident.User(), entry->User()) == 0) {
|
|
uint32_t loadFlags;
|
|
if (NS_SUCCEEDED(mAuthChannel->GetLoadFlags(&loadFlags)) &&
|
|
!(loadFlags && nsIChannel::LOAD_EXPLICIT_CREDENTIALS)) {
|
|
ident.Clear();
|
|
}
|
|
}
|
|
}
|
|
bool identFromURI;
|
|
if (ident.IsEmpty()) {
|
|
ident.Set(entry->Identity());
|
|
identFromURI = false;
|
|
}
|
|
else
|
|
identFromURI = true;
|
|
|
|
nsXPIDLCString temp;
|
|
const char *creds = entry->Creds();
|
|
const char *challenge = entry->Challenge();
|
|
// we can only send a preemptive Authorization header if we have either
|
|
// stored credentials or a stored challenge from which to derive
|
|
// credentials. if the identity is from the URI, then we cannot use
|
|
// the stored credentials.
|
|
if ((!creds[0] || identFromURI) && challenge[0]) {
|
|
nsCOMPtr<nsIHttpAuthenticator> auth;
|
|
nsAutoCString unused;
|
|
rv = GetAuthenticator(challenge, unused, getter_AddRefs(auth));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
bool proxyAuth = (header == nsHttp::Proxy_Authorization);
|
|
rv = GenCredsAndSetEntry(auth, proxyAuth, scheme, host, port,
|
|
path, entry->Realm(), challenge, ident,
|
|
entry->mMetaData, getter_Copies(temp));
|
|
if (NS_SUCCEEDED(rv))
|
|
creds = temp.get();
|
|
|
|
// make sure the continuation state is null since we do not
|
|
// support mixing preemptive and 'multirequest' authentication.
|
|
NS_IF_RELEASE(*continuationState);
|
|
}
|
|
}
|
|
if (creds[0]) {
|
|
LOG((" adding \"%s\" request header\n", header.get()));
|
|
if (header == nsHttp::Proxy_Authorization)
|
|
mAuthChannel->SetProxyCredentials(nsDependentCString(creds));
|
|
else
|
|
mAuthChannel->SetWWWCredentials(nsDependentCString(creds));
|
|
|
|
// suppress defensive auth prompting for this channel since we know
|
|
// that we already prompted at least once this session. we only do
|
|
// this for non-proxy auth since the URL's userpass is not used for
|
|
// proxy auth.
|
|
if (header == nsHttp::Authorization)
|
|
mSuppressDefensiveAuth = true;
|
|
}
|
|
else
|
|
ident.Clear(); // don't remember the identity
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::GetCurrentPath(nsACString &path)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIURL> url = do_QueryInterface(mURI);
|
|
if (url)
|
|
rv = url->GetDirectory(path);
|
|
else
|
|
rv = mURI->GetPath(path);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpChannelAuthProvider::GetAsciiHostForAuth(nsACString &host)
|
|
{
|
|
if (!mCanonicalizedHost.IsEmpty()) {
|
|
LOG(("nsHttpChannelAuthProvider::GetAsciiHostForAuth"
|
|
" this=%p host is %s\n", this, mCanonicalizedHost.get()));
|
|
host = mCanonicalizedHost;
|
|
return NS_OK;
|
|
}
|
|
|
|
// fallback
|
|
nsresult rv;
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = mAuthChannel->GetURI(getter_AddRefs(uri));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
return uri->GetAsciiHost(host);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHttpChannelAuthProvider::DNSCallback::OnLookupComplete(nsICancelable *request,
|
|
nsIDNSRecord *record,
|
|
nsresult rv)
|
|
{
|
|
nsCString cname;
|
|
mAuthProvider->SetDNSQuery(nullptr);
|
|
|
|
LOG(("nsHttpChannelAuthProvider::OnLookupComplete this=%p "
|
|
"rv=%X\n", mAuthProvider.get(), rv));
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = record->GetCanonicalName(cname);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
LOG(("nsHttpChannelAuthProvider::OnLookupComplete this=%p "
|
|
"resolved to %s\n", mAuthProvider.get(), cname.get()));
|
|
mAuthProvider->SetCanonicalizedHost(cname);
|
|
}
|
|
else {
|
|
LOG(("nsHttpChannelAuthProvider::OnLookupComplete this=%p "
|
|
"GetCanonicalName failed\n", mAuthProvider.get()));
|
|
}
|
|
|
|
// Proceed whether or not DNS canonicalization succeeded
|
|
mAuthProvider->OnAuthAvailable(nullptr, nullptr);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS3(nsHttpChannelAuthProvider, nsICancelable,
|
|
nsIHttpChannelAuthProvider, nsIAuthPromptCallback)
|
|
NS_IMPL_THREADSAFE_ISUPPORTS1(nsHttpChannelAuthProvider::DNSCallback,
|
|
nsIDNSListener)
|