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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/platform_mime_util.h"
#include <string>
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#if BUILDFLAG(IS_ANDROID)
#include "net/android/network_library.h"
#elif BUILDFLAG(IS_CHROMEOS)
#include "third_party/xdg_shared_mime_info/mime_cache.h"
#else
#include "base/nix/mime_util_xdg.h"
#endif
namespace net {
#if BUILDFLAG(IS_ANDROID)
bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
const base::FilePath::StringType& ext,
std::string* result) const {
return android::GetMimeTypeFromExtension(ext, result);
}
#elif BUILDFLAG(IS_CHROMEOS)
bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
const base::FilePath::StringType& ext,
std::string* result) const {
return xdg_shared_mime_info::GetMimeCacheTypeFromExtension(ext, result);
}
#else
bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
const base::FilePath::StringType& ext,
std::string* result) const {
base::FilePath dummy_path("foo." + ext);
std::string out = base::nix::GetFileMimeType(dummy_path);
// GetFileMimeType likes to return application/octet-stream
// for everything it doesn't know - ignore that.
if (out == "application/octet-stream" || out.empty())
return false;
// GetFileMimeType returns image/x-ico because that's what's in the XDG
// mime database. That database is the merger of the Gnome and KDE mime
// databases. Apparently someone working on KDE in 2001 decided .ico
// resolves to image/x-ico, whereas the rest of the world uses image/x-icon.
// FWIW, image/vnd.microsoft.icon is the official IANA assignment.
if (out == "image/x-ico")
out = "image/x-icon";
*result = out;
return true;
}
#endif // BUILDFLAG(IS_ANDROID)
bool PlatformMimeUtil::GetPlatformPreferredExtensionForMimeType(
const std::string& mime_type,
base::FilePath::StringType* ext) const {
// xdg_mime doesn't provide an API to get extension from a MIME type, so we
// rely on the mappings hardcoded in mime_util.cc .
return false;
}
void PlatformMimeUtil::GetPlatformExtensionsForMimeType(
const std::string& mime_type,
std::unordered_set<base::FilePath::StringType>* extensions) const {
// xdg_mime doesn't provide an API to get extension from a MIME type, so we
// rely on the mappings hardcoded in mime_util.cc .
}
} // namespace net
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