netwerk/protocol/http/nsHttpBasicAuth.cpp

   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