1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "net/base/platform_mime_util.h" 6 7 #include <string> 8 9 #include "base/mime_util.h" 10 11 namespace net { 12 13 bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension( 14 const FilePath::StringType& ext, std::string* result) const { 15 // TODO(thestig) This is a temporary hack until we can fix this 16 // properly in test shell / webkit. 17 // We have to play dumb and not return application/x-perl here 18 // to make the reload-subframe-object layout test happy. 19 if (ext == "pl") 20 return false; 21 22 FilePath dummy_path("foo." + ext); 23 std::string out = mime_util::GetFileMimeType(dummy_path); 24 25 // GetFileMimeType likes to return application/octet-stream 26 // for everything it doesn't know - ignore that. 27 if (out == "application/octet-stream" || out.empty()) 28 return false; 29 30 // GetFileMimeType returns image/x-ico because that's what's in the XDG 31 // mime database. That database is the merger of the Gnome and KDE mime 32 // databases. Apparently someone working on KDE in 2001 decided .ico 33 // resolves to image/x-ico, whereas the rest of the world uses image/x-icon. 34 // FWIW, image/vnd.microsoft.icon is the official IANA assignment. 35 if (out == "image/x-ico") 36 out = "image/x-icon"; 37 38 *result = out; 39 return true; 40 } 41 42 struct MimeToExt { 43 const char* mime_type; 44 const char* ext; 45 }; 46 47 const struct MimeToExt mime_type_ext_map[] = { 48 {"application/pdf", "pdf"}, 49 {"application/x-tar", "tar"}, 50 {"audio/mpeg", "mp3"}, 51 {"image/gif", "gif"}, 52 {"image/jpeg", "jpg"}, 53 {"image/png", "png"}, 54 {"text/html", "html"}, 55 {"video/mp4", "mp4"}, 56 {"video/mpeg", "mpg"}, 57 {"text/plain", "txt"}, 58 {"text/x-sh", "sh"}, 59 }; 60 61 bool PlatformMimeUtil::GetPreferredExtensionForMimeType( 62 const std::string& mime_type, FilePath::StringType* ext) const { 63 64 for (size_t x = 0; 65 x < (sizeof(mime_type_ext_map) / sizeof(MimeToExt)); 66 x++) { 67 if (mime_type_ext_map[x].mime_type == mime_type) { 68 *ext = mime_type_ext_map[x].ext; 69 return true; 70 } 71 } 72 73 // TODO(dhg): Fix this the right way by implementing whats said below. 74 // Unlike GetPlatformMimeTypeFromExtension, this method doesn't have a 75 // default list that it uses, but for now we are also returning false since 76 // this doesn't really matter as much under Linux. 77 // 78 // If we wanted to do this properly, we would read the mime.cache file which 79 // has a section where they assign a glob (*.gif) to a mimetype 80 // (image/gif). We look up the "heaviest" glob for a certain mime type and 81 // then then try to chop off "*.". 82 83 return false; 84 } 85 86 } // namespace net 87
