dom/reporting/CrashReport.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/CrashReport.h"
   8
   9 #include "mozilla/dom/Navigator.h"
  10 #include "mozilla/dom/ReportingHeader.h"
  11 #include "mozilla/dom/ReportDeliver.h"
  12 #include "mozilla/JSONWriter.h"
  13 #include "nsIPrincipal.h"
  14 #include "nsIURIMutator.h"
  15 #include "nsString.h"
  16
  17 namespace mozilla {
  18 namespace dom {
  19
  20 struct StringWriteFunc : public JSONWriteFunc {
  21   nsCString& mCString;
  22   explicit StringWriteFunc(nsCString& aCString) : mCString(aCString) {}
  23   void Write(const Span<const char>& aStr) override { mCString.Append(aStr); }
  24 };
  25
  26 /* static */
  27 bool CrashReport::Deliver(nsIPrincipal* aPrincipal, bool aIsOOM) {
  28   MOZ_ASSERT(aPrincipal);
  29
  30   nsAutoCString endpoint_url;
  31   ReportingHeader::GetEndpointForReport(u"default"_ns, aPrincipal,
  32                                         endpoint_url);
  33   if (endpoint_url.IsEmpty()) {
  34     return false;
  35   }
  36
  37   nsCString safe_origin_spec;
  38   aPrincipal->GetExposableSpec(safe_origin_spec);
  39
  40   ReportDeliver::ReportData data;
  41   data.mType = u"crash"_ns;
  42   data.mGroupName = u"default"_ns;
  43   CopyUTF8toUTF16(safe_origin_spec, data.mURL);
  44   data.mCreationTime = TimeStamp::Now();
  45
  46   Navigator::GetUserAgent(nullptr, aPrincipal, false, data.mUserAgent);
  47   data.mPrincipal = aPrincipal;
  48   data.mFailures = 0;
  49   data.mEndpointURL = endpoint_url;
  50
  51   nsCString body;
  52   JSONWriter writer{MakeUnique<StringWriteFunc>(body)};
  53
  54   writer.Start();
  55   if (aIsOOM) {
  56     writer.StringProperty("reason", "oom");
  57   }
  58   writer.End();
  59
  60   data.mReportBodyJSON = body;
  61
  62   ReportDeliver::Fetch(data);
  63   return true;
  64 }
  65
  66 }  // namespace dom
  67 }  // namespace mozilla