// Copyright (c) 2006-2008 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 "net/base/platform_mime_util.h" #include <string> #include "base/mime_util.h" namespace net { bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension( const FilePath::StringType& ext, std::string* result) const { // TODO(thestig) This is a temporary hack until we can fix this // properly in test shell / webkit. // We have to play dumb and not return application/x-perl here // to make the reload-subframe-object layout test happy. if (ext == "pl") return false; FilePath dummy_path("foo." + ext); std::string out = mime_util::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; } struct MimeToExt { const char* mime_type; const char* ext; }; const struct MimeToExt mime_type_ext_map[] = { {"application/pdf", "pdf"}, {"application/x-tar", "tar"}, {"audio/mpeg", "mp3"}, {"image/gif", "gif"}, {"image/jpeg", "jpg"}, {"image/png", "png"}, {"text/html", "html"}, {"video/mp4", "mp4"}, {"video/mpeg", "mpg"}, {"text/plain", "txt"}, {"text/x-sh", "sh"}, }; bool PlatformMimeUtil::GetPreferredExtensionForMimeType( const std::string& mime_type, FilePath::StringType* ext) const { for (size_t x = 0; x < (sizeof(mime_type_ext_map) / sizeof(MimeToExt)); x++) { if (mime_type_ext_map[x].mime_type == mime_type) { *ext = mime_type_ext_map[x].ext; return true; } } // TODO(dhg): Fix this the right way by implementing whats said below. // Unlike GetPlatformMimeTypeFromExtension, this method doesn't have a // default list that it uses, but for now we are also returning false since // this doesn't really matter as much under Linux. // // If we wanted to do this properly, we would read the mime.cache file which // has a section where they assign a glob (*.gif) to a mimetype // (image/gif). We look up the "heaviest" glob for a certain mime type and // then then try to chop off "*.". return false; } } // namespace net