/* 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 "mozilla/dom/CrashReport.h"

#include "mozilla/JSONStringWriteFuncs.h"
#include "mozilla/dom/Navigator.h"
#include "mozilla/dom/ReportDeliver.h"
#include "mozilla/dom/ReportingHeader.h"
#include "nsIPrincipal.h"
#include "nsIURIMutator.h"
#include "nsString.h"

namespace mozilla::dom {

/* static */
bool CrashReport::Deliver(nsIPrincipal* aPrincipal, bool aIsOOM) {
  MOZ_ASSERT(aPrincipal);

  nsAutoCString endpoint_url;
  // GetEndpointForReport is Gecko's legacy Reporting API mechanism. It parses
  // endpoints in the parent process using both Reporting-Endpoints and
  // Report-To headers and maps origins to a list of endpoints which suits
  // crashes better, as they take down the whole process.
  ReportingHeader::GetEndpointForReport(u"default"_ns, aPrincipal,
                                        endpoint_url);
  if (endpoint_url.IsEmpty()) {
    return false;
  }

  nsCString safe_origin_spec;
  aPrincipal->GetExposableSpec(safe_origin_spec);

  ReportDeliver::ReportData data;
  data.mType = u"crash"_ns;
  data.mGroupName = u"default"_ns;
  CopyUTF8toUTF16(safe_origin_spec, data.mURL);
  data.mCreationTime = TimeStamp::Now();

  Navigator::GetUserAgent(nullptr, nullptr, Nothing(), data.mUserAgent);
  data.mPrincipal = aPrincipal;
  data.mFailures = 0;
  data.mEndpointURL = endpoint_url;
  // We are not dealing with a WindowOrWorkerGlobalScope when crashing, but
  // potentially multiple.
  data.mGlobalKey = 0;

  JSONStringWriteFunc<nsCString> body;
  JSONWriter writer{body};

  writer.Start();
  if (aIsOOM) {
    writer.StringProperty("reason", "oom");
  }
  writer.End();

  data.mReportBodyJSON = std::move(body).StringRRef();

  ReportDeliver::Fetch(data);
  return true;
}

}  // namespace mozilla::dom