DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (1aeaa33a64f9)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=2 sts=2 expandtab
 * 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 "PeerIdentity.h"

#include "mozilla/DebugOnly.h"
#include "nsCOMPtr.h"
#include "nsIIDNService.h"
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"

namespace mozilla {

bool PeerIdentity::Equals(const PeerIdentity& aOther) const {
  return Equals(aOther.mPeerIdentity);
}

bool PeerIdentity::Equals(const nsAString& aOtherString) const {
  nsString user;
  GetUser(mPeerIdentity, user);
  nsString otherUser;
  GetUser(aOtherString, otherUser);
  if (user != otherUser) {
    return false;
  }

  nsString host;
  GetHost(mPeerIdentity, host);
  nsString otherHost;
  GetHost(aOtherString, otherHost);

  nsresult rv;
  nsCOMPtr<nsIIDNService> idnService =
      do_GetService("@mozilla.org/network/idn-service;1", &rv);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return host == otherHost;
  }

  nsCString normHost;
  GetNormalizedHost(idnService, host, normHost);
  nsCString normOtherHost;
  GetNormalizedHost(idnService, otherHost, normOtherHost);
  return normHost == normOtherHost;
}

/* static */ void PeerIdentity::GetUser(const nsAString& aPeerIdentity,
                                        nsAString& aUser) {
  int32_t at = aPeerIdentity.FindChar('@');
  if (at >= 0) {
    aUser = Substring(aPeerIdentity, 0, at);
  } else {
    aUser.Truncate();
  }
}

/* static */ void PeerIdentity::GetHost(const nsAString& aPeerIdentity,
                                        nsAString& aHost) {
  int32_t at = aPeerIdentity.FindChar('@');
  if (at >= 0) {
    aHost = Substring(aPeerIdentity, at + 1);
  } else {
    aHost = aPeerIdentity;
  }
}

/* static */ void PeerIdentity::GetNormalizedHost(
    const nsCOMPtr<nsIIDNService>& aIdnService, const nsAString& aHost,
    nsACString& aNormalizedHost) {
  const nsCString chost = NS_ConvertUTF16toUTF8(aHost);
  DebugOnly<nsresult> rv =
      aIdnService->ConvertUTF8toACE(chost, aNormalizedHost);
  NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
                       "Failed to convert UTF-8 host to ASCII");
}

} /* namespace mozilla */