Rename pnacl_file_host to nacl_file_host.

chrome/browser/nacl_host/pnacl_file_host.cc

Index: chrome/browser/nacl_host/pnacl_file_host.cc
diff --git a/chrome/browser/nacl_host/pnacl_file_host.cc b/chrome/browser/nacl_host/pnacl_file_host.cc
deleted file mode 100644
index ac630f9aef599743e8f82f3d9ff33fa42d0c5082..0000000000000000000000000000000000000000
--- a/chrome/browser/nacl_host/pnacl_file_host.cc
+++ /dev/null
@@ -1,189 +0,0 @@
-// 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 "chrome/browser/nacl_host/pnacl_file_host.h"
-
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/path_service.h"
-#include "base/platform_file.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/browser/browser_thread.h"
-#include "ipc/ipc_platform_file.h"
-
-using content::BrowserThread;
-
-namespace {
-
-// Force a prefix to prevent user from opening "magic" files.
-const char* kExpectedFilePrefix = "pnacl_public_";
-
-// Restrict PNaCl file lengths to reduce likelyhood of hitting bugs
-// in file name limit error-handling-code-paths, etc.
-const size_t kMaxFileLength = 40;
-
-void NotifyRendererOfError(
-    ChromeRenderMessageFilter* chrome_render_message_filter,
-    IPC::Message* reply_msg) {
-  reply_msg->set_reply_error();
-  chrome_render_message_filter->Send(reply_msg);
-}
-
-bool PnaclDoOpenFile(const base::FilePath& file_to_open,
-                     base::PlatformFile* out_file) {
-  base::PlatformFileError error_code;
-  *out_file = base::CreatePlatformFile(file_to_open,
-                                       base::PLATFORM_FILE_OPEN |
-                                       base::PLATFORM_FILE_READ,
-                                       NULL,
-                                       &error_code);
-  if (error_code != base::PLATFORM_FILE_OK) {
-    return false;
-  }
-  return true;
-}
-
-void DoOpenPnaclFile(
-    ChromeRenderMessageFilter* chrome_render_message_filter,
-    const std::string& filename,
-    IPC::Message* reply_msg) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  base::FilePath full_filepath;
-
-  // Do some validation.
-  if (!pnacl_file_host::PnaclCanOpenFile(filename, &full_filepath)) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-
-  base::PlatformFile file_to_open;
-  if (!PnaclDoOpenFile(full_filepath, &file_to_open)) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-
-  // Send the reply!
-  // Do any DuplicateHandle magic that is necessary first.
-  IPC::PlatformFileForTransit target_desc =
-      IPC::GetFileHandleForProcess(file_to_open,
-                                   chrome_render_message_filter->peer_handle(),
-                                   true /* Close source */);
-  if (target_desc == IPC::InvalidPlatformFileForTransit()) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-  ChromeViewHostMsg_GetReadonlyPnaclFD::WriteReplyParams(
-      reply_msg, target_desc);
-  chrome_render_message_filter->Send(reply_msg);
-}
-
-void DoCreateTemporaryFile(
-    ChromeRenderMessageFilter* chrome_render_message_filter,
-    IPC::Message* reply_msg) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-
-  base::FilePath file_path;
-  if (!file_util::CreateTemporaryFile(&file_path)) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-
-  base::PlatformFileError error;
-  base::PlatformFile file_handle = base::CreatePlatformFile(
-      file_path,
-      base::PLATFORM_FILE_CREATE_ALWAYS | base::PLATFORM_FILE_READ |
-      base::PLATFORM_FILE_WRITE | base::PLATFORM_FILE_TEMPORARY |
-      base::PLATFORM_FILE_DELETE_ON_CLOSE,
-      NULL, &error);
-
-  if (error != base::PLATFORM_FILE_OK) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-
-  // Send the reply!
-  // Do any DuplicateHandle magic that is necessary first.
-  IPC::PlatformFileForTransit target_desc =
-      IPC::GetFileHandleForProcess(file_handle,
-                                   chrome_render_message_filter->peer_handle(),
-                                   true);
-  if (target_desc == IPC::InvalidPlatformFileForTransit()) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-    return;
-  }
-
-  ChromeViewHostMsg_NaClCreateTemporaryFile::WriteReplyParams(
-      reply_msg, target_desc);
-  chrome_render_message_filter->Send(reply_msg);
-}
-
-}  // namespace
-
-namespace pnacl_file_host {
-
-void GetReadonlyPnaclFd(
-    ChromeRenderMessageFilter* chrome_render_message_filter,
-    const std::string& filename,
-    IPC::Message* reply_msg) {
-  if (!BrowserThread::PostTask(
-          BrowserThread::FILE, FROM_HERE,
-          base::Bind(&DoOpenPnaclFile,
-                     make_scoped_refptr(chrome_render_message_filter),
-                     filename,
-                     reply_msg))) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-  }
-}
-
-// This function is security sensitive.  Be sure to check with a security
-// person before you modify it.
-bool PnaclCanOpenFile(const std::string& filename,
-                      base::FilePath* file_to_open) {
-  if (filename.length() > kMaxFileLength)
-    return false;
-
-  if (filename.empty())
-    return false;
-
-  // Restrict character set of the file name to something really simple
-  // (a-z, 0-9, and underscores).
-  for (size_t i = 0; i < filename.length(); ++i) {
-    char charAt = filename[i];
-    if (charAt < 'a' || charAt > 'z')
-      if (charAt < '0' || charAt > '9')
-        if (charAt != '_')
-          return false;
-  }
-
-  // PNaCl must be installed.
-  base::FilePath pnacl_dir;
-  if (!PathService::Get(chrome::DIR_PNACL_COMPONENT, &pnacl_dir) ||
-      pnacl_dir.empty())
-    return false;
-
-  // Prepend the prefix to restrict files to a whitelisted set.
-  base::FilePath full_path = pnacl_dir.AppendASCII(
-      std::string(kExpectedFilePrefix) + filename);
-  *file_to_open = full_path;
-  return true;
-}
-
-void CreateTemporaryFile(
-    ChromeRenderMessageFilter* chrome_render_message_filter,
-    IPC::Message* reply_msg) {
-  if (!BrowserThread::PostTask(
-          BrowserThread::FILE, FROM_HERE,
-          base::Bind(&DoCreateTemporaryFile,
-                     make_scoped_refptr(chrome_render_message_filter),
-                     reply_msg))) {
-    NotifyRendererOfError(chrome_render_message_filter, reply_msg);
-  }
-}
-
-}  // namespace pnacl_file_host