mirror of
https://github.com/mozilla/gecko-dev.git
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113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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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 "ODoH.h"
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#include "mozilla/Base64.h"
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#include "nsIURIMutator.h"
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#include "ODoHService.h"
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#include "TRRService.h"
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// Put DNSLogging.h at the end to avoid LOG being overwritten by other headers.
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#include "DNSLogging.h"
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#include "nsNetUtil.h"
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namespace mozilla {
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namespace net {
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NS_IMETHODIMP
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ODoH::Run() {
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if (!gODoHService) {
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RecordReason(TRRSkippedReason::TRR_SEND_FAILED);
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FailData(NS_ERROR_FAILURE);
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return NS_OK;
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}
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if (!gODoHService->ODoHConfigs()) {
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LOG((
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"ODoH::Run ODoHConfigs is not available mTriedDownloadODoHConfigs=%d\n",
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mTriedDownloadODoHConfigs));
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// Make this lookup fail if we don't have a valid ODoHConfig and we already
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// tried before.
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if (NS_SUCCEEDED(gODoHService->UpdateODoHConfig()) &&
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!mTriedDownloadODoHConfigs) {
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gODoHService->AppendPendingODoHRequest(this);
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mTriedDownloadODoHConfigs = true;
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} else {
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RecordReason(TRRSkippedReason::ODOH_UPDATE_KEY_FAILED);
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FailData(NS_ERROR_FAILURE);
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return NS_OK;
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}
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return NS_OK;
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}
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return TRR::Run();
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}
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DNSPacket* ODoH::GetOrCreateDNSPacket() {
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if (!mPacket) {
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mPacket = MakeUnique<ODoHDNSPacket>();
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}
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return mPacket.get();
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}
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nsresult ODoH::CreateQueryURI(nsIURI** aOutURI) {
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nsAutoCString uri;
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nsCOMPtr<nsIURI> dnsURI;
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gODoHService->GetRequestURI(uri);
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nsresult rv = NS_NewURI(getter_AddRefs(dnsURI), uri);
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if (NS_FAILED(rv)) {
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return rv;
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}
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dnsURI.forget(aOutURI);
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return NS_OK;
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}
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void ODoH::HandleTimeout() {
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// If this request is still in the pending queue, it means we can't get the
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// ODoHConfigs within the timeout.
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if (gODoHService->RemovePendingODoHRequest(this)) {
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RecordReason(TRRSkippedReason::ODOH_KEY_NOT_AVAILABLE);
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}
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TRR::HandleTimeout();
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}
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void ODoH::HandleEncodeError(nsresult aStatusCode) {
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MOZ_ASSERT(NS_FAILED(aStatusCode));
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DNSPacketStatus status = mPacket->PacketStatus();
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MOZ_ASSERT(status != DNSPacketStatus::Success);
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if (status == DNSPacketStatus::KeyNotAvailable) {
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RecordReason(TRRSkippedReason::ODOH_KEY_NOT_AVAILABLE);
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} else if (status == DNSPacketStatus::KeyNotUsable) {
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RecordReason(TRRSkippedReason::ODOH_KEY_NOT_USABLE);
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} else if (status == DNSPacketStatus::EncryptError) {
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RecordReason(TRRSkippedReason::ODOH_ENCRYPTION_FAILED);
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} else {
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MOZ_ASSERT_UNREACHABLE("Unexpected status code.");
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}
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}
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void ODoH::HandleDecodeError(nsresult aStatusCode) {
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MOZ_ASSERT(NS_FAILED(aStatusCode));
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DNSPacketStatus status = mPacket->PacketStatus();
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MOZ_ASSERT(status != DNSPacketStatus::Success);
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if (status == DNSPacketStatus::DecryptError) {
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RecordReason(TRRSkippedReason::ODOH_DECRYPTION_FAILED);
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}
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TRR::HandleDecodeError(aStatusCode);
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}
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} // namespace net
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} // namespace mozilla
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