delete webkit/support/simple_xxx's

webkit/support/simple_file_system.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/support/simple_file_system.h"
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/message_loop.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time.h"
-#include "googleurl/src/gurl.h"
-#include "net/base/mime_util.h"
-#include "third_party/WebKit/public/platform/WebFileInfo.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/platform/WebVector.h"
-#include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebFileSystemCallbacks.h"
-#include "third_party/WebKit/public/web/WebFileSystemEntry.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
-#include "webkit/base/file_path_string_conversions.h"
-#include "webkit/browser/blob/blob_storage_controller.h"
-#include "webkit/browser/fileapi/file_permission_policy.h"
-#include "webkit/browser/fileapi/file_system_mount_point_provider.h"
-#include "webkit/browser/fileapi/file_system_operation_runner.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-#include "webkit/browser/fileapi/mock_file_system_context.h"
-#include "webkit/common/fileapi/directory_entry.h"
-#include "webkit/common/fileapi/file_system_util.h"
-#include "webkit/support/simple_file_writer.h"
-
-using base::WeakPtr;
-
-using WebKit::WebFileInfo;
-using WebKit::WebFileSystem;
-using WebKit::WebFileSystemCallbacks;
-using WebKit::WebFileSystemEntry;
-using WebKit::WebFileWriter;
-using WebKit::WebFileWriterClient;
-using WebKit::WebFrame;
-using WebKit::WebString;
-using WebKit::WebURL;
-using WebKit::WebVector;
-
-using webkit_blob::BlobData;
-using webkit_blob::BlobStorageController;
-using fileapi::DirectoryEntry;
-using fileapi::FileSystemContext;
-using fileapi::FileSystemOperation;
-using fileapi::FileSystemTaskRunners;
-using fileapi::FileSystemURL;
-
-namespace {
-base::MessageLoop* g_io_thread;
-webkit_blob::BlobStorageController* g_blob_storage_controller;
-
-void RegisterBlob(const GURL& blob_url, const base::FilePath& file_path) {
-  DCHECK(g_blob_storage_controller);
-
-  base::FilePath::StringType extension = file_path.Extension();
-  if (!extension.empty())
-    extension = extension.substr(1);  // Strip leading ".".
-
-  // This may fail, but then we'll be just setting the empty mime type.
-  std::string mime_type;
-  net::GetWellKnownMimeTypeFromExtension(extension, &mime_type);
-
-  BlobData::Item item;
-  item.SetToFilePathRange(file_path, 0, -1, base::Time());
-  g_blob_storage_controller->StartBuildingBlob(blob_url);
-  g_blob_storage_controller->AppendBlobDataItem(blob_url, item);
-  g_blob_storage_controller->FinishBuildingBlob(blob_url, mime_type);
-}
-
-}  // namespace
-
-SimpleFileSystem::SimpleFileSystem() {
-  if (file_system_dir_.CreateUniqueTempDir()) {
-    file_system_context_ = fileapi::CreateFileSystemContextForTesting(
-        NULL /* quota manager */,
-        file_system_dir_.path());
-  } else {
-    LOG(WARNING) << "Failed to create a temp dir for the filesystem."
-                    "FileSystem feature will be disabled.";
-  }
-}
-
-SimpleFileSystem::~SimpleFileSystem() {
-}
-
-void SimpleFileSystem::OpenFileSystem(
-    WebFrame* frame,
-    WebKit::WebFileSystemType type,
-    long long, bool create,
-    WebFileSystemCallbacks* callbacks) {
-  if (!frame || !file_system_context_.get()) {
-    // The FileSystem temp directory was not initialized successfully.
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-
-  fileapi::OpenFileSystemMode mode =
-      create ? fileapi::OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT
-             : fileapi::OPEN_FILE_SYSTEM_FAIL_IF_NONEXISTENT;
-  GURL origin_url(frame->document().securityOrigin().toString());
-  file_system_context_->OpenFileSystem(
-      origin_url, static_cast<fileapi::FileSystemType>(type), mode,
-      OpenFileSystemHandler(callbacks));
-}
-
-void SimpleFileSystem::DeleteFileSystem(
-    WebFrame* frame,
-    WebKit::WebFileSystemType type,
-    WebFileSystemCallbacks* callbacks) {
-  if (!frame || !file_system_context_.get()) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-
-  GURL origin_url(frame->document().securityOrigin().toString());
-  file_system_context_->DeleteFileSystem(
-      origin_url, static_cast<fileapi::FileSystemType>(type),
-      DeleteFileSystemHandler(callbacks));
-}
-
-void SimpleFileSystem::move(
-    const WebURL& src_path,
-    const WebURL& dest_path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL src_url(file_system_context()->CrackURL(src_path));
-  FileSystemURL dest_url(file_system_context()->CrackURL(dest_path));
-  if (!HasFilePermission(src_url, fileapi::kWriteFilePermissions) ||
-      !HasFilePermission(dest_url, fileapi::kCreateFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->Move(
-      src_url, dest_url, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::copy(
-    const WebURL& src_path, const WebURL& dest_path,
-    WebFileSystemCallbacks* callbacks) {
-  FileSystemURL src_url(file_system_context()->CrackURL(src_path));
-  FileSystemURL dest_url(file_system_context()->CrackURL(dest_path));
-  if (!HasFilePermission(src_url, fileapi::kReadFilePermissions) ||
-      !HasFilePermission(dest_url, fileapi::kCreateFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->Copy(
-      src_url, dest_url, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::remove(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kWriteFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->Remove(
-      url, false /* recursive */, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::removeRecursively(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kWriteFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->Remove(
-      url, true /* recursive */, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::readMetadata(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kReadFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->GetMetadata(
-      url, GetMetadataHandler(callbacks));
-}
-
-void SimpleFileSystem::createFile(
-    const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kCreateFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->CreateFile(
-      url, exclusive, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::createDirectory(
-    const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kCreateFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->CreateDirectory(
-      url, exclusive, false, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::fileExists(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kReadFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->FileExists(
-      url, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::directoryExists(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kReadFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->DirectoryExists(
-      url, FinishHandler(callbacks));
-}
-
-void SimpleFileSystem::readDirectory(
-    const WebURL& path, WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kReadFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->ReadDirectory(
-      url, ReadDirectoryHandler(callbacks));
-}
-
-WebFileWriter* SimpleFileSystem::createFileWriter(
-    const WebURL& path, WebFileWriterClient* client) {
-  return new SimpleFileWriter(path, client, file_system_context_.get());
-}
-
-void SimpleFileSystem::createSnapshotFileAndReadMetadata(
-    const WebURL& path,
-    WebFileSystemCallbacks* callbacks) {
-  FileSystemURL url(file_system_context()->CrackURL(path));
-  if (!HasFilePermission(url, fileapi::kReadFilePermissions)) {
-    callbacks->didFail(WebKit::WebFileErrorSecurity);
-    return;
-  }
-  file_system_context_->operation_runner()->CreateSnapshotFile(
-      url, SnapshotFileHandler(callbacks));
-}
-
-// static
-void SimpleFileSystem::InitializeOnIOThread(
-    webkit_blob::BlobStorageController* blob_storage_controller) {
-  g_io_thread = base::MessageLoop::current();
-  g_blob_storage_controller = blob_storage_controller;
-}
-
-// static
-void SimpleFileSystem::CleanupOnIOThread() {
-  g_io_thread = NULL;
-  g_blob_storage_controller = NULL;
-}
-
-bool SimpleFileSystem::HasFilePermission(
-    const fileapi::FileSystemURL& url, int permissions) {
-  if (!url.is_valid())
-    return false;
-  fileapi::FileSystemMountPointProvider* mount_point_provider =
-      file_system_context_->GetMountPointProvider(url.type());
-  DCHECK(mount_point_provider);
-  // In test_shell we don't perform further detailed security checks if it's
-  // not specifically forbidden by ALWAYS_DENY.
-  return (mount_point_provider->GetPermissionPolicy(url, permissions)
-      != fileapi::FILE_PERMISSION_ALWAYS_DENY);
-}
-
-FileSystemOperation::StatusCallback
-SimpleFileSystem::FinishHandler(WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidFinish,
-                    AsWeakPtr(), base::Unretained(callbacks));
-}
-
-FileSystemOperation::ReadDirectoryCallback
-SimpleFileSystem::ReadDirectoryHandler(WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidReadDirectory,
-                    AsWeakPtr(), base::Unretained(callbacks));
-}
-
-FileSystemOperation::GetMetadataCallback
-SimpleFileSystem::GetMetadataHandler(WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidGetMetadata,
-                    AsWeakPtr(), base::Unretained(callbacks));
-}
-
-FileSystemContext::OpenFileSystemCallback
-SimpleFileSystem::OpenFileSystemHandler(WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidOpenFileSystem,
-                    AsWeakPtr(), base::Unretained(callbacks));
-}
-
-FileSystemContext::DeleteFileSystemCallback
-SimpleFileSystem::DeleteFileSystemHandler(WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidDeleteFileSystem,
-                    AsWeakPtr(), callbacks);
-}
-
-FileSystemOperation::SnapshotFileCallback
-SimpleFileSystem::SnapshotFileHandler(
-    WebFileSystemCallbacks* callbacks) {
-  return base::Bind(&SimpleFileSystem::DidCreateSnapshotFile,
-                    AsWeakPtr(), base::Unretained(callbacks));
-}
-
-void SimpleFileSystem::DidFinish(WebFileSystemCallbacks* callbacks,
-                                 base::PlatformFileError result) {
-  if (result == base::PLATFORM_FILE_OK)
-    callbacks->didSucceed();
-  else
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-}
-
-void SimpleFileSystem::DidGetMetadata(WebFileSystemCallbacks* callbacks,
-                                      base::PlatformFileError result,
-                                      const base::PlatformFileInfo& info) {
-  if (result == base::PLATFORM_FILE_OK) {
-    WebFileInfo web_file_info;
-    web_file_info.length = info.size;
-    web_file_info.modificationTime = info.last_modified.ToDoubleT();
-    web_file_info.type = info.is_directory ?
-        WebFileInfo::TypeDirectory : WebFileInfo::TypeFile;
-    callbacks->didReadMetadata(web_file_info);
-  } else {
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-  }
-}
-
-void SimpleFileSystem::DidReadDirectory(
-    WebFileSystemCallbacks* callbacks,
-    base::PlatformFileError result,
-    const std::vector<DirectoryEntry>& entries,
-    bool has_more) {
-  if (result == base::PLATFORM_FILE_OK) {
-    std::vector<WebFileSystemEntry> web_entries_vector;
-    for (std::vector<DirectoryEntry>::const_iterator it = entries.begin();
-         it != entries.end(); ++it) {
-      WebFileSystemEntry entry;
-      entry.name = webkit_base::FilePathStringToWebString(it->name);
-      entry.isDirectory = it->is_directory;
-      web_entries_vector.push_back(entry);
-    }
-    WebVector<WebKit::WebFileSystemEntry> web_entries = web_entries_vector;
-    callbacks->didReadDirectory(web_entries, has_more);
-  } else {
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-  }
-}
-
-void SimpleFileSystem::DidOpenFileSystem(
-    WebFileSystemCallbacks* callbacks,
-    base::PlatformFileError result,
-    const std::string& name, const GURL& root) {
-  if (result == base::PLATFORM_FILE_OK) {
-    if (!root.is_valid())
-      callbacks->didFail(WebKit::WebFileErrorSecurity);
-    else
-      callbacks->didOpenFileSystem(WebString::fromUTF8(name), root);
-  } else {
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-  }
-}
-
-void SimpleFileSystem::DidDeleteFileSystem(
-    WebFileSystemCallbacks* callbacks,
-    base::PlatformFileError result) {
-  if (result == base::PLATFORM_FILE_OK)
-    callbacks->didSucceed();
-  else
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-}
-
-void SimpleFileSystem::DidCreateSnapshotFile(
-    WebFileSystemCallbacks* callbacks,
-    base::PlatformFileError result,
-    const base::PlatformFileInfo& info,
-    const base::FilePath& platform_path,
-    const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
-  if (result == base::PLATFORM_FILE_OK) {
-    WebFileInfo web_file_info;
-    web_file_info.length = info.size;
-    web_file_info.modificationTime = info.last_modified.ToDoubleT();
-    web_file_info.type = info.is_directory ?
-        WebFileInfo::TypeDirectory : WebFileInfo::TypeFile;
-    web_file_info.platformPath =
-        webkit_base::FilePathToWebString(platform_path);
-    callbacks->didCreateSnapshotFile(web_file_info);
-  } else {
-    callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
-  }
-}