dom/url/URLMainThread.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
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "URLMainThread.h"
   8
   9 #include "mozilla/dom/BindingUtils.h"
  10 #include "mozilla/dom/Blob.h"
  11 #include "mozilla/dom/BlobURLProtocolHandler.h"
  12 #include "mozilla/Unused.h"
  13 #include "nsContentUtils.h"
  14 #include "nsNetUtil.h"
  15 #include "nsThreadUtils.h"
  16 #include "mozilla/dom/Document.h"
  17
  18 namespace mozilla::dom {
  19
  20 /* static */
  21 void URLMainThread::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
  22                                     nsACString& aResult, ErrorResult& aRv) {
  23   MOZ_ASSERT(NS_IsMainThread());
  24
  25   nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
  26   if (NS_WARN_IF(!global)) {
  27     aRv.Throw(NS_ERROR_FAILURE);
  28     return;
  29   }
  30
  31   nsAutoString partKey;
  32   if (nsCOMPtr<nsPIDOMWindowInner> owner = do_QueryInterface(global)) {
  33     if (Document* doc = owner->GetExtantDoc()) {
  34       nsCOMPtr<nsICookieJarSettings> cookieJarSettings =
  35           doc->CookieJarSettings();
  36
  37       cookieJarSettings->GetPartitionKey(partKey);
  38     }
  39   }
  40
  41   nsCOMPtr<nsIPrincipal> principal =
  42       nsContentUtils::ObjectPrincipal(aGlobal.Get());
  43
  44   aRv = BlobURLProtocolHandler::AddDataEntry(
  45       aBlob.Impl(), principal, NS_ConvertUTF16toUTF8(partKey), aResult);
  46   if (NS_WARN_IF(aRv.Failed())) {
  47     return;
  48   }
  49
  50   global->RegisterHostObjectURI(aResult);
  51 }
  52
  53 /* static */
  54 void URLMainThread::CreateObjectURL(const GlobalObject& aGlobal,
  55                                     MediaSource& aSource, nsACString& aResult,
  56                                     ErrorResult& aRv) {
  57   MOZ_ASSERT(NS_IsMainThread());
  58
  59   nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
  60   if (NS_WARN_IF(!global)) {
  61     aRv.Throw(NS_ERROR_FAILURE);
  62     return;
  63   }
  64
  65   nsAutoString partKey;
  66   if (nsCOMPtr<nsPIDOMWindowInner> owner = do_QueryInterface(global)) {
  67     if (Document* doc = owner->GetExtantDoc()) {
  68       nsCOMPtr<nsICookieJarSettings> cookieJarSettings =
  69           doc->CookieJarSettings();
  70
  71       cookieJarSettings->GetPartitionKey(partKey);
  72     }
  73   }
  74
  75   nsCOMPtr<nsIPrincipal> principal =
  76       nsContentUtils::ObjectPrincipal(aGlobal.Get());
  77
  78   aRv = BlobURLProtocolHandler::AddDataEntry(
  79       &aSource, principal, NS_ConvertUTF16toUTF8(partKey), aResult);
  80   if (NS_WARN_IF(aRv.Failed())) {
  81     return;
  82   }
  83
  84   nsCOMPtr<nsIRunnable> revocation = NS_NewRunnableFunction(
  85       "dom::URLMainThread::CreateObjectURL", [result = nsCString(aResult)] {
  86         BlobURLProtocolHandler::RemoveDataEntry(result);
  87       });
  88
  89   nsContentUtils::RunInStableState(revocation.forget());
  90 }
  91
  92 /* static */
  93 void URLMainThread::RevokeObjectURL(const GlobalObject& aGlobal,
  94                                     const nsACString& aURL, ErrorResult& aRv) {
  95   MOZ_ASSERT(NS_IsMainThread());
  96   nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
  97   if (!global) {
  98     aRv.Throw(NS_ERROR_FAILURE);
  99     return;
 100   }
 101
 102   nsAutoString partKey;
 103   if (nsCOMPtr<nsPIDOMWindowInner> owner = do_QueryInterface(global)) {
 104     if (Document* doc = owner->GetExtantDoc()) {
 105       nsCOMPtr<nsICookieJarSettings> cookieJarSettings =
 106           doc->CookieJarSettings();
 107
 108       cookieJarSettings->GetPartitionKey(partKey);
 109     }
 110   }
 111
 112   if (BlobURLProtocolHandler::RemoveDataEntry(
 113           aURL, nsContentUtils::ObjectPrincipal(aGlobal.Get()),
 114           NS_ConvertUTF16toUTF8(partKey))) {
 115     global->UnregisterHostObjectURI(aURL);
 116   }
 117 }
 118
 119 /* static */
 120 bool URLMainThread::IsValidObjectURL(const GlobalObject& aGlobal,
 121                                      const nsACString& aURL, ErrorResult& aRv) {
 122   MOZ_ASSERT(NS_IsMainThread());
 123   return BlobURLProtocolHandler::HasDataEntry(aURL);
 124 }
 125
 126 }  // namespace mozilla::dom