tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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nsHttpBasicAuth.cpp (3549B)


      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 // HttpLog.h should generally be included first
      7 #include "HttpLog.h"
      8 
      9 #include "nsHttpBasicAuth.h"
     10 #include "nsCRT.h"
     11 #include "nsString.h"
     12 #include "mozilla/Base64.h"
     13 #include "mozilla/ClearOnShutdown.h"
     14 
     15 namespace mozilla {
     16 namespace net {
     17 
     18 StaticRefPtr<nsHttpBasicAuth> nsHttpBasicAuth::gSingleton;
     19 
     20 already_AddRefed<nsIHttpAuthenticator> nsHttpBasicAuth::GetOrCreate() {
     21  nsCOMPtr<nsIHttpAuthenticator> authenticator;
     22  if (gSingleton) {
     23    authenticator = gSingleton;
     24  } else {
     25    gSingleton = new nsHttpBasicAuth();
     26    ClearOnShutdown(&gSingleton);
     27    authenticator = gSingleton;
     28  }
     29 
     30  return authenticator.forget();
     31 }
     32 
     33 //-----------------------------------------------------------------------------
     34 // nsHttpBasicAuth::nsISupports
     35 //-----------------------------------------------------------------------------
     36 
     37 NS_IMPL_ISUPPORTS(nsHttpBasicAuth, nsIHttpAuthenticator)
     38 
     39 //-----------------------------------------------------------------------------
     40 // nsHttpBasicAuth::nsIHttpAuthenticator
     41 //-----------------------------------------------------------------------------
     42 
     43 NS_IMETHODIMP
     44 nsHttpBasicAuth::ChallengeReceived(nsIHttpAuthenticableChannel* authChannel,
     45                                   const nsACString& challenge,
     46                                   bool isProxyAuth, nsISupports** sessionState,
     47                                   nsISupports** continuationState,
     48                                   bool* identityInvalid) {
     49  // if challenged, then the username:password that was sent must
     50  // have been wrong.
     51  *identityInvalid = true;
     52  return NS_OK;
     53 }
     54 NS_IMETHODIMP
     55 nsHttpBasicAuth::GenerateCredentialsAsync(
     56    nsIHttpAuthenticableChannel* authChannel,
     57    nsIHttpAuthenticatorCallback* aCallback, const nsACString& aChallenge,
     58    bool isProxyAuth, const nsAString& domain, const nsAString& username,
     59    const nsAString& password, nsISupports* sessionState,
     60    nsISupports* continuationState, nsICancelable** aCancellable) {
     61  return NS_ERROR_NOT_IMPLEMENTED;
     62 }
     63 
     64 NS_IMETHODIMP
     65 nsHttpBasicAuth::GenerateCredentials(
     66    nsIHttpAuthenticableChannel* authChannel, const nsACString& aChallenge,
     67    bool isProxyAuth, const nsAString& domain, const nsAString& user,
     68    const nsAString& password, nsISupports** sessionState,
     69    nsISupports** continuationState, uint32_t* aFlags, nsACString& creds) {
     70  LOG(("nsHttpBasicAuth::GenerateCredentials [challenge=%s]\n",
     71       aChallenge.BeginReading()));
     72 
     73  *aFlags = 0;
     74 
     75  // we only know how to deal with Basic auth for http.
     76  bool isBasicAuth = StringBeginsWith(aChallenge, "basic"_ns,
     77                                      nsCaseInsensitiveCStringComparator);
     78  NS_ENSURE_TRUE(isBasicAuth, NS_ERROR_UNEXPECTED);
     79 
     80  // we work with UTF-8 around here
     81  nsAutoCString userpass;
     82  CopyUTF16toUTF8(user, userpass);
     83  userpass.Append(':');  // always send a ':' (see bug 129565)
     84  AppendUTF16toUTF8(password, userpass);
     85 
     86  nsAutoCString authString{"Basic "_ns};
     87  nsresult rv = Base64EncodeAppend(userpass, authString);
     88  NS_ENSURE_SUCCESS(rv, rv);
     89 
     90  creds = authString;
     91  return NS_OK;
     92 }
     93 
     94 NS_IMETHODIMP
     95 nsHttpBasicAuth::GetAuthFlags(uint32_t* flags) {
     96  *flags = REQUEST_BASED | REUSABLE_CREDENTIALS | REUSABLE_CHALLENGE;
     97  return NS_OK;
     98 }
     99 
    100 }  // namespace net
    101 }  // namespace mozilla