cef/cef1/libcef/browser_file_system.cc

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// 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 "libcef/browser_file_system.h"
#include "libcef/browser_file_writer.h"
#include "libcef/cef_thread.h"
#include "base/bind.h"
#include "base/file_path.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "googleurl/src/gurl.h"
#include "net/base/mime_util.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileInfo.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemEntry.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
#include "webkit/blob/blob_storage_controller.h"
#include "webkit/fileapi/mock_file_system_options.h"
#include "webkit/glue/webkit_glue.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::WebSecurityOrigin;
using WebKit::WebString;
using WebKit::WebURL;
using WebKit::WebVector;
using webkit_blob::BlobData;
using webkit_blob::BlobStorageController;
using fileapi::FileSystemContext;
using fileapi::FileSystemOperationInterface;
namespace {
MessageLoop* g_io_thread;
webkit_blob::BlobStorageController* g_blob_storage_controller;
void RegisterBlob(const GURL& blob_url, const FilePath& file_path) {
DCHECK(g_blob_storage_controller);
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.SetToFile(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
BrowserFileSystem::BrowserFileSystem() {
}
void BrowserFileSystem::CreateContext() {
if (file_system_context_.get())
return;
if (file_system_dir_.CreateUniqueTempDir()) {
std::vector<std::string> additional_allowed_schemes;
additional_allowed_schemes.push_back("file");
file_system_context_ = new FileSystemContext(
CefThread::GetMessageLoopProxyForThread(CefThread::FILE),
CefThread::GetMessageLoopProxyForThread(CefThread::IO),
NULL /* special storage policy */,
NULL /* quota manager */,
file_system_dir_.path(),
fileapi::FileSystemOptions(
fileapi::FileSystemOptions::PROFILE_MODE_NORMAL,
additional_allowed_schemes));
} else {
LOG(WARNING) << "Failed to create a temp dir for the filesystem."
"FileSystem feature will be disabled.";
}
}
BrowserFileSystem::~BrowserFileSystem() {
}
void BrowserFileSystem::OpenFileSystem(
WebFrame* frame, WebFileSystem::Type web_filesystem_type,
long long, bool create, // NOLINT(runtime/int)
WebFileSystemCallbacks* callbacks) {
if (!frame || !file_system_context_.get()) {
// The FileSystem temp directory was not initialized successfully.
callbacks->didFail(WebKit::WebFileErrorSecurity);
return;
}
fileapi::FileSystemType type;
if (web_filesystem_type == WebFileSystem::TypeTemporary)
type = fileapi::kFileSystemTypeTemporary;
else if (web_filesystem_type == WebFileSystem::TypePersistent)
type = fileapi::kFileSystemTypePersistent;
else if (web_filesystem_type == WebFileSystem::TypeExternal)
type = fileapi::kFileSystemTypeExternal;
else {
// Unknown type filesystem is requested.
callbacks->didFail(WebKit::WebFileErrorSecurity);
return;
}
GURL origin_url(frame->document().securityOrigin().toString());
file_system_context_->OpenFileSystem(
origin_url, type, create, OpenFileSystemHandler(callbacks));
}
void BrowserFileSystem::move(
const WebURL& src_path,
const WebURL& dest_path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(src_path)->Move(GURL(src_path), GURL(dest_path),
FinishHandler(callbacks));
}
void BrowserFileSystem::copy(
const WebURL& src_path, const WebURL& dest_path,
WebFileSystemCallbacks* callbacks) {
GetNewOperation(src_path)->Copy(GURL(src_path), GURL(dest_path),
FinishHandler(callbacks));
}
void BrowserFileSystem::remove(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->Remove(path, false /* recursive */,
FinishHandler(callbacks));
}
void BrowserFileSystem::removeRecursively(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->Remove(path, true /* recursive */,
FinishHandler(callbacks));
}
void BrowserFileSystem::readMetadata(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->GetMetadata(path, GetMetadataHandler(callbacks));
}
void BrowserFileSystem::createFile(
const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->CreateFile(path, exclusive, FinishHandler(callbacks));
}
void BrowserFileSystem::createDirectory(
const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->CreateDirectory(path, exclusive, false,
FinishHandler(callbacks));
}
void BrowserFileSystem::fileExists(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->FileExists(path, FinishHandler(callbacks));
}
void BrowserFileSystem::directoryExists(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->DirectoryExists(path, FinishHandler(callbacks));
}
void BrowserFileSystem::readDirectory(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->ReadDirectory(path, ReadDirectoryHandler(callbacks));
}
WebFileWriter* BrowserFileSystem::createFileWriter(
const WebURL& path, WebFileWriterClient* client) {
return new BrowserFileWriter(path, client, file_system_context_.get());
}
void BrowserFileSystem::createSnapshotFileAndReadMetadata(
const WebURL& blobURL,
const WebURL& path,
WebFileSystemCallbacks* callbacks) {
GetNewOperation(path)->CreateSnapshotFile(
path, SnapshotFileHandler(blobURL, callbacks));
}
// static
void BrowserFileSystem::InitializeOnIOThread(
webkit_blob::BlobStorageController* blob_storage_controller) {
g_io_thread = MessageLoop::current();
g_blob_storage_controller = blob_storage_controller;
}
// static
void BrowserFileSystem::CleanupOnIOThread() {
g_io_thread = NULL;
g_blob_storage_controller = NULL;
}
FileSystemOperationInterface* BrowserFileSystem::GetNewOperation(
const WebURL& url) {
return file_system_context_->CreateFileSystemOperation(GURL(url));
}
FileSystemOperationInterface::StatusCallback
BrowserFileSystem::FinishHandler(WebFileSystemCallbacks* callbacks) {
return base::Bind(&BrowserFileSystem::DidFinish,
AsWeakPtr(), base::Unretained(callbacks));
}
FileSystemOperationInterface::ReadDirectoryCallback
BrowserFileSystem::ReadDirectoryHandler(WebFileSystemCallbacks* callbacks) {
return base::Bind(&BrowserFileSystem::DidReadDirectory,
AsWeakPtr(), base::Unretained(callbacks));
}
FileSystemOperationInterface::GetMetadataCallback
BrowserFileSystem::GetMetadataHandler(WebFileSystemCallbacks* callbacks) {
return base::Bind(&BrowserFileSystem::DidGetMetadata,
AsWeakPtr(), base::Unretained(callbacks));
}
FileSystemContext::OpenFileSystemCallback
BrowserFileSystem::OpenFileSystemHandler(WebFileSystemCallbacks* callbacks) {
return base::Bind(&BrowserFileSystem::DidOpenFileSystem,
AsWeakPtr(), base::Unretained(callbacks));
}
FileSystemOperationInterface::SnapshotFileCallback
BrowserFileSystem::SnapshotFileHandler(const GURL& blob_url,
WebFileSystemCallbacks* callbacks) {
return base::Bind(&BrowserFileSystem::DidCreateSnapshotFile,
AsWeakPtr(), blob_url, base::Unretained(callbacks));
}
void BrowserFileSystem::DidFinish(WebFileSystemCallbacks* callbacks,
base::PlatformFileError result) {
if (result == base::PLATFORM_FILE_OK)
callbacks->didSucceed();
else
callbacks->didFail(webkit_glue::PlatformFileErrorToWebFileError(result));
}
void BrowserFileSystem::DidGetMetadata(WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const base::PlatformFileInfo& info,
const FilePath& platform_path) {
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_glue::FilePathToWebString(platform_path);
callbacks->didReadMetadata(web_file_info);
} else {
callbacks->didFail(webkit_glue::PlatformFileErrorToWebFileError(result));
}
}
void BrowserFileSystem::DidReadDirectory(
WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const std::vector<base::FileUtilProxy::Entry>& entries,
bool has_more) {
if (result == base::PLATFORM_FILE_OK) {
std::vector<WebFileSystemEntry> web_entries_vector;
for (std::vector<base::FileUtilProxy::Entry>::const_iterator it =
entries.begin(); it != entries.end(); ++it) {
WebFileSystemEntry entry;
entry.name = webkit_glue::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(webkit_glue::PlatformFileErrorToWebFileError(result));
}
}
void BrowserFileSystem::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(webkit_glue::PlatformFileErrorToWebFileError(result));
}
}
void BrowserFileSystem::DidCreateSnapshotFile(
const GURL& blob_url,
WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const base::PlatformFileInfo& info,
const FilePath& platform_path,
const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
DCHECK(g_io_thread);
if (result == base::PLATFORM_FILE_OK) {
g_io_thread->PostTask(
FROM_HERE,
base::Bind(&RegisterBlob, blob_url, platform_path));
}
DidGetMetadata(callbacks, result, info, platform_path);
}