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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 "ppapi/proxy/flash_file_resource.h"
#include <stddef.h>
#include "base/files/file_path.h"
#include "ipc/ipc_message.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/file_type_conversion.h"
#include "ppapi/shared_impl/scoped_pp_var.h"
#include "ppapi/shared_impl/time_conversion.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_file_ref_api.h"
namespace ppapi {
namespace proxy {
namespace {
// Returns the path that a PPB_FileRef resource references as long as it is an
// PP_FILESYSTEMTYPE_EXTERNAL path. Returns an empty string on error.
std::string GetPathFromFileRef(PP_Resource file_ref) {
thunk::EnterResourceNoLock<thunk::PPB_FileRef_API> enter(file_ref, true);
if (enter.failed())
return std::string();
if (enter.object()->GetFileSystemType() != PP_FILESYSTEMTYPE_EXTERNAL)
return std::string();
ScopedPPVar var(ScopedPPVar::PassRef(), enter.object()->GetAbsolutePath());
StringVar* string_var = StringVar::FromPPVar(var.get());
if (!string_var)
return std::string();
return string_var->value();
}
} // namespace
FlashFileResource::FlashFileResource(Connection connection,
PP_Instance instance)
: PluginResource(connection, instance) {
SendCreate(BROWSER, PpapiHostMsg_FlashFile_Create());
}
FlashFileResource::~FlashFileResource() {
}
thunk::PPB_Flash_File_API* FlashFileResource::AsPPB_Flash_File_API() {
return this;
}
int32_t FlashFileResource::OpenFile(PP_Instance /*instance*/,
const char* path,
int32_t mode,
PP_FileHandle* file) {
return OpenFileHelper(path, PepperFilePath::DOMAIN_MODULE_LOCAL, mode, file);
}
int32_t FlashFileResource::RenameFile(PP_Instance /*instance*/,
const char* path_from,
const char* path_to) {
PepperFilePath pepper_from(PepperFilePath::DOMAIN_MODULE_LOCAL,
base::FilePath::FromUTF8Unsafe(path_from));
PepperFilePath pepper_to(PepperFilePath::DOMAIN_MODULE_LOCAL,
base::FilePath::FromUTF8Unsafe(path_to));
int32_t error = SyncCall<IPC::Message>(
BROWSER, PpapiHostMsg_FlashFile_RenameFile(pepper_from, pepper_to));
return error;
}
int32_t FlashFileResource::DeleteFileOrDir(PP_Instance /*instance*/,
const char* path,
PP_Bool recursive) {
PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL,
base::FilePath::FromUTF8Unsafe(path));
int32_t error = SyncCall<IPC::Message>(
BROWSER, PpapiHostMsg_FlashFile_DeleteFileOrDir(pepper_path,
PP_ToBool(recursive)));
return error;
}
int32_t FlashFileResource::CreateDir(PP_Instance /*instance*/,
const char* path) {
PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL,
base::FilePath::FromUTF8Unsafe(path));
int32_t error = SyncCall<IPC::Message>(BROWSER,
PpapiHostMsg_FlashFile_CreateDir(pepper_path));
return error;
}
int32_t FlashFileResource::QueryFile(PP_Instance /*instance*/,
const char* path,
PP_FileInfo* info) {
return QueryFileHelper(path, PepperFilePath::DOMAIN_MODULE_LOCAL, info);
}
int32_t FlashFileResource::GetDirContents(PP_Instance /*instance*/,
const char* path,
PP_DirContents_Dev** contents) {
ppapi::DirContents entries;
PepperFilePath pepper_path(PepperFilePath::DOMAIN_MODULE_LOCAL,
base::FilePath::FromUTF8Unsafe(path));
int32_t error = SyncCall<PpapiPluginMsg_FlashFile_GetDirContentsReply>(
BROWSER, PpapiHostMsg_FlashFile_GetDirContents(pepper_path), &entries);
if (error == PP_OK) {
// Copy the serialized dir entries to the output struct.
*contents = new PP_DirContents_Dev;
(*contents)->count = static_cast<int32_t>(entries.size());
(*contents)->entries = new PP_DirEntry_Dev[entries.size()];
for (size_t i = 0; i < entries.size(); i++) {
const ppapi::DirEntry& source = entries[i];
PP_DirEntry_Dev* dest = &(*contents)->entries[i];
std::string name = source.name.AsUTF8Unsafe();
char* name_copy = new char[name.size() + 1];
memcpy(name_copy, name.c_str(), name.size() + 1);
dest->name = name_copy;
dest->is_dir = PP_FromBool(source.is_dir);
}
}
return error;
}
void FlashFileResource::FreeDirContents(PP_Instance /*instance*/,
PP_DirContents_Dev* contents) {
for (int32_t i = 0; i < contents->count; ++i)
delete[] contents->entries[i].name;
delete[] contents->entries;
delete contents;
}
int32_t FlashFileResource::CreateTemporaryFile(PP_Instance /*instance*/,
PP_FileHandle* file) {
if (!file)
return PP_ERROR_BADARGUMENT;
IPC::Message unused;
ResourceMessageReplyParams reply_params;
int32_t error = GenericSyncCall(BROWSER,
PpapiHostMsg_FlashFile_CreateTemporaryFile(), &unused, &reply_params);
if (error != PP_OK)
return error;
IPC::PlatformFileForTransit transit_file;
if (!reply_params.TakeFileHandleAtIndex(0, &transit_file))
return PP_ERROR_FAILED;
*file = IPC::PlatformFileForTransitToPlatformFile(transit_file);
return PP_OK;
}
int32_t FlashFileResource::OpenFileRef(PP_Instance /*instance*/,
PP_Resource file_ref,
int32_t mode,
PP_FileHandle* file) {
return OpenFileHelper(GetPathFromFileRef(file_ref),
PepperFilePath::DOMAIN_ABSOLUTE, mode, file);
}
int32_t FlashFileResource::QueryFileRef(PP_Instance /*instance*/,
PP_Resource file_ref,
PP_FileInfo* info) {
return QueryFileHelper(GetPathFromFileRef(file_ref),
PepperFilePath::DOMAIN_ABSOLUTE, info);
}
int32_t FlashFileResource::OpenFileHelper(const std::string& path,
PepperFilePath::Domain domain_type,
int32_t mode,
PP_FileHandle* file) {
if (path.empty() ||
!ppapi::PepperFileOpenFlagsToPlatformFileFlags(mode, NULL) ||
!file)
return PP_ERROR_BADARGUMENT;
PepperFilePath pepper_path(domain_type, base::FilePath::FromUTF8Unsafe(path));
IPC::Message unused;
ResourceMessageReplyParams reply_params;
int32_t error = GenericSyncCall(BROWSER,
PpapiHostMsg_FlashFile_OpenFile(pepper_path, mode), &unused,
&reply_params);
if (error != PP_OK)
return error;
IPC::PlatformFileForTransit transit_file;
if (!reply_params.TakeFileHandleAtIndex(0, &transit_file))
return PP_ERROR_FAILED;
*file = IPC::PlatformFileForTransitToPlatformFile(transit_file);
return PP_OK;
}
int32_t FlashFileResource::QueryFileHelper(const std::string& path,
PepperFilePath::Domain domain_type,
PP_FileInfo* info) {
if (path.empty() || !info)
return PP_ERROR_BADARGUMENT;
base::File::Info file_info;
PepperFilePath pepper_path(domain_type, base::FilePath::FromUTF8Unsafe(path));
int32_t error = SyncCall<PpapiPluginMsg_FlashFile_QueryFileReply>(BROWSER,
PpapiHostMsg_FlashFile_QueryFile(pepper_path), &file_info);
if (error == PP_OK) {
info->size = file_info.size;
info->creation_time = TimeToPPTime(file_info.creation_time);
info->last_access_time = TimeToPPTime(file_info.last_accessed);
info->last_modified_time = TimeToPPTime(file_info.last_modified);
info->system_type = PP_FILESYSTEMTYPE_EXTERNAL;
if (file_info.is_directory)
info->type = PP_FILETYPE_DIRECTORY;
else
info->type = PP_FILETYPE_REGULAR;
}
return error;
}
} // namespace proxy
} // namespace ppapi
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