The Tor Browser / file comparison
comparison: dom/filesystem/FileSystemPermissionRequest.cpp
dom/filesystem/FileSystemPermissionRequest.cpp
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:cf6038c31f03 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 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 #include "FileSystemPermissionRequest.h" | |
| 7 | |
| 8 #include "mozilla/dom/FileSystemBase.h" | |
| 9 #include "mozilla/dom/FileSystemTaskBase.h" | |
| 10 #include "mozilla/dom/FileSystemUtils.h" | |
| 11 #include "mozilla/dom/TabChild.h" | |
| 12 #include "nsIDocument.h" | |
| 13 #include "nsPIDOMWindow.h" | |
| 14 #include "nsString.h" | |
| 15 | |
| 16 namespace mozilla { | |
| 17 namespace dom { | |
| 18 | |
| 19 NS_IMPL_ISUPPORTS(FileSystemPermissionRequest, nsIRunnable, nsIContentPermissionRequest) | |
| 20 | |
| 21 // static | |
| 22 void | |
| 23 FileSystemPermissionRequest::RequestForTask(FileSystemTaskBase* aTask) | |
| 24 { | |
| 25 MOZ_ASSERT(aTask, "aTask should not be null!"); | |
| 26 MOZ_ASSERT(NS_IsMainThread()); | |
| 27 nsRefPtr<FileSystemPermissionRequest> request = | |
| 28 new FileSystemPermissionRequest(aTask); | |
| 29 NS_DispatchToCurrentThread(request); | |
| 30 } | |
| 31 | |
| 32 FileSystemPermissionRequest::FileSystemPermissionRequest( | |
| 33 FileSystemTaskBase* aTask) | |
| 34 : mTask(aTask) | |
| 35 { | |
| 36 MOZ_ASSERT(mTask, "aTask should not be null!"); | |
| 37 MOZ_ASSERT(NS_IsMainThread()); | |
| 38 | |
| 39 mTask->GetPermissionAccessType(mPermissionAccess); | |
| 40 | |
| 41 nsRefPtr<FileSystemBase> filesystem = mTask->GetFileSystem(); | |
| 42 if (!filesystem) { | |
| 43 return; | |
| 44 } | |
| 45 | |
| 46 mPermissionType = filesystem->GetPermission(); | |
| 47 | |
| 48 mWindow = filesystem->GetWindow(); | |
| 49 if (!mWindow) { | |
| 50 return; | |
| 51 } | |
| 52 | |
| 53 nsCOMPtr<nsIDocument> doc = mWindow->GetDoc(); | |
| 54 if (!doc) { | |
| 55 return; | |
| 56 } | |
| 57 | |
| 58 mPrincipal = doc->NodePrincipal(); | |
| 59 } | |
| 60 | |
| 61 FileSystemPermissionRequest::~FileSystemPermissionRequest() | |
| 62 { | |
| 63 } | |
| 64 | |
| 65 bool | |
| 66 FileSystemPermissionRequest::Recv__delete__(const bool& aAllow, | |
| 67 const InfallibleTArray<PermissionChoice>& aChoices) | |
| 68 { | |
| 69 MOZ_ASSERT(aChoices.IsEmpty(), | |
| 70 "FileSystemPermissionRequest doesn't support permission choice"); | |
| 71 if (aAllow) { | |
| 72 Allow(JS::UndefinedHandleValue); | |
| 73 } else { | |
| 74 Cancel(); | |
| 75 } | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 void | |
| 80 FileSystemPermissionRequest::IPDLRelease() | |
| 81 { | |
| 82 Release(); | |
| 83 } | |
| 84 | |
| 85 NS_IMETHODIMP | |
| 86 FileSystemPermissionRequest::GetTypes(nsIArray** aTypes) | |
| 87 { | |
| 88 nsTArray<nsString> emptyOptions; | |
| 89 return CreatePermissionArray(mPermissionType, | |
| 90 mPermissionAccess, | |
| 91 emptyOptions, | |
| 92 aTypes); | |
| 93 } | |
| 94 | |
| 95 NS_IMETHODIMP | |
| 96 FileSystemPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal) | |
| 97 { | |
| 98 NS_IF_ADDREF(*aRequestingPrincipal = mPrincipal); | |
| 99 return NS_OK; | |
| 100 } | |
| 101 | |
| 102 NS_IMETHODIMP | |
| 103 FileSystemPermissionRequest::GetWindow(nsIDOMWindow** aRequestingWindow) | |
| 104 { | |
| 105 NS_IF_ADDREF(*aRequestingWindow = mWindow); | |
| 106 return NS_OK; | |
| 107 } | |
| 108 | |
| 109 NS_IMETHODIMP | |
| 110 FileSystemPermissionRequest::GetElement(nsIDOMElement** aRequestingElement) | |
| 111 { | |
| 112 *aRequestingElement = nullptr; | |
| 113 return NS_OK; | |
| 114 } | |
| 115 | |
| 116 NS_IMETHODIMP | |
| 117 FileSystemPermissionRequest::Cancel() | |
| 118 { | |
| 119 MOZ_ASSERT(NS_IsMainThread()); | |
| 120 mTask->SetError(NS_ERROR_DOM_SECURITY_ERR); | |
| 121 mTask->Start(); | |
| 122 return NS_OK; | |
| 123 } | |
| 124 | |
| 125 NS_IMETHODIMP | |
| 126 FileSystemPermissionRequest::Allow(JS::HandleValue aChoices) | |
| 127 { | |
| 128 MOZ_ASSERT(NS_IsMainThread()); | |
| 129 MOZ_ASSERT(aChoices.isUndefined()); | |
| 130 mTask->Start(); | |
| 131 return NS_OK; | |
| 132 } | |
| 133 | |
| 134 NS_IMETHODIMP | |
| 135 FileSystemPermissionRequest::Run() | |
| 136 { | |
| 137 MOZ_ASSERT(NS_IsMainThread()); | |
| 138 | |
| 139 nsRefPtr<FileSystemBase> filesystem = mTask->GetFileSystem(); | |
| 140 if (!filesystem) { | |
| 141 Cancel(); | |
| 142 return NS_OK; | |
| 143 } | |
| 144 | |
| 145 if (filesystem->IsTesting()) { | |
| 146 Allow(JS::UndefinedHandleValue); | |
| 147 return NS_OK; | |
| 148 } | |
| 149 | |
| 150 if (FileSystemUtils::IsParentProcess()) { | |
| 151 nsCOMPtr<nsIContentPermissionPrompt> prompt | |
| 152 = do_CreateInstance(NS_CONTENT_PERMISSION_PROMPT_CONTRACTID); | |
| 153 if (!prompt || NS_FAILED(prompt->Prompt(this))) { | |
| 154 Cancel(); | |
| 155 } | |
| 156 return NS_OK; | |
| 157 } | |
| 158 | |
| 159 if (!mWindow) { | |
| 160 Cancel(); | |
| 161 return NS_OK; | |
| 162 } | |
| 163 | |
| 164 // because owner implements nsITabChild, we can assume that it is | |
| 165 // the one and only TabChild. | |
| 166 TabChild* child = TabChild::GetFrom(mWindow->GetDocShell()); | |
| 167 if (!child) { | |
| 168 Cancel(); | |
| 169 return NS_OK; | |
| 170 } | |
| 171 | |
| 172 // Retain a reference so the object isn't deleted without IPDL's | |
| 173 // knowledge. Corresponding release occurs in | |
| 174 // DeallocPContentPermissionRequest. | |
| 175 AddRef(); | |
| 176 | |
| 177 nsTArray<PermissionRequest> permArray; | |
| 178 nsTArray<nsString> emptyOptions; | |
| 179 permArray.AppendElement(PermissionRequest(mPermissionType, | |
| 180 mPermissionAccess, | |
| 181 emptyOptions)); | |
| 182 child->SendPContentPermissionRequestConstructor( | |
| 183 this, permArray, IPC::Principal(mPrincipal)); | |
| 184 | |
| 185 Sendprompt(); | |
| 186 return NS_OK; | |
| 187 } | |
| 188 | |
| 189 } /* namespace dom */ | |
| 190 } /* namespace mozilla */ |
