netwerk/base/src/nsURLHelperWin.cpp@b8a032363ba2 (annotated)
netwerk/base/src/nsURLHelperWin.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* vim:set ts=4 sw=4 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | /* Windows-specific local file uri parsing */ |
| michael@0 | 8 | #include "nsURLHelper.h" |
| michael@0 | 9 | #include "nsEscape.h" |
| michael@0 | 10 | #include "nsIFile.h" |
| michael@0 | 11 | #include <windows.h> |
| michael@0 | 12 | |
| michael@0 | 13 | nsresult |
| michael@0 | 14 | net_GetURLSpecFromActualFile(nsIFile *aFile, nsACString &result) |
| michael@0 | 15 | { |
| michael@0 | 16 | nsresult rv; |
| michael@0 | 17 | nsAutoString path; |
| michael@0 | 18 | |
| michael@0 | 19 | // construct URL spec from file path |
| michael@0 | 20 | rv = aFile->GetPath(path); |
| michael@0 | 21 | if (NS_FAILED(rv)) return rv; |
| michael@0 | 22 | |
| michael@0 | 23 | // Replace \ with / to convert to an url |
| michael@0 | 24 | path.ReplaceChar(char16_t(0x5Cu), char16_t(0x2Fu)); |
| michael@0 | 25 | |
| michael@0 | 26 | nsAutoCString escPath; |
| michael@0 | 27 | |
| michael@0 | 28 | // Windows Desktop paths begin with a drive letter, so need an 'extra' |
| michael@0 | 29 | // slash at the begining |
| michael@0 | 30 | // C:\Windows => file:///C:/Windows |
| michael@0 | 31 | NS_NAMED_LITERAL_CSTRING(prefix, "file:///"); |
| michael@0 | 32 | |
| michael@0 | 33 | // Escape the path with the directory mask |
| michael@0 | 34 | NS_ConvertUTF16toUTF8 ePath(path); |
| michael@0 | 35 | if (NS_EscapeURL(ePath.get(), -1, esc_Directory+esc_Forced, escPath)) |
| michael@0 | 36 | escPath.Insert(prefix, 0); |
| michael@0 | 37 | else |
| michael@0 | 38 | escPath.Assign(prefix + ePath); |
| michael@0 | 39 | |
| michael@0 | 40 | // esc_Directory does not escape the semicolons, so if a filename |
| michael@0 | 41 | // contains semicolons we need to manually escape them. |
| michael@0 | 42 | // This replacement should be removed in bug #473280 |
| michael@0 | 43 | escPath.ReplaceSubstring(";", "%3b"); |
| michael@0 | 44 | |
| michael@0 | 45 | result = escPath; |
| michael@0 | 46 | return NS_OK; |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | nsresult |
| michael@0 | 50 | net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result) |
| michael@0 | 51 | { |
| michael@0 | 52 | nsresult rv; |
| michael@0 | 53 | |
| michael@0 | 54 | nsCOMPtr<nsIFile> localFile( |
| michael@0 | 55 | do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv)); |
| michael@0 | 56 | if (NS_FAILED(rv)) { |
| michael@0 | 57 | NS_ERROR("Only nsIFile supported right now"); |
| michael@0 | 58 | return rv; |
| michael@0 | 59 | } |
| michael@0 | 60 | |
| michael@0 | 61 | localFile->SetFollowLinks(true); |
| michael@0 | 62 | |
| michael@0 | 63 | const nsACString *specPtr; |
| michael@0 | 64 | |
| michael@0 | 65 | nsAutoCString buf; |
| michael@0 | 66 | if (net_NormalizeFileURL(aURL, buf)) |
| michael@0 | 67 | specPtr = &buf; |
| michael@0 | 68 | else |
| michael@0 | 69 | specPtr = &aURL; |
| michael@0 | 70 | |
| michael@0 | 71 | nsAutoCString directory, fileBaseName, fileExtension; |
| michael@0 | 72 | |
| michael@0 | 73 | rv = net_ParseFileURL(*specPtr, directory, fileBaseName, fileExtension); |
| michael@0 | 74 | if (NS_FAILED(rv)) return rv; |
| michael@0 | 75 | |
| michael@0 | 76 | nsAutoCString path; |
| michael@0 | 77 | |
| michael@0 | 78 | if (!directory.IsEmpty()) { |
| michael@0 | 79 | NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path); |
| michael@0 | 80 | if (path.Length() > 2 && path.CharAt(2) == '|') |
| michael@0 | 81 | path.SetCharAt(':', 2); |
| michael@0 | 82 | path.ReplaceChar('/', '\\'); |
| michael@0 | 83 | } |
| michael@0 | 84 | if (!fileBaseName.IsEmpty()) |
| michael@0 | 85 | NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path); |
| michael@0 | 86 | if (!fileExtension.IsEmpty()) { |
| michael@0 | 87 | path += '.'; |
| michael@0 | 88 | NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path); |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | NS_UnescapeURL(path); |
| michael@0 | 92 | if (path.Length() != strlen(path.get())) |
| michael@0 | 93 | return NS_ERROR_FILE_INVALID_PATH; |
| michael@0 | 94 | |
| michael@0 | 95 | // remove leading '\' |
| michael@0 | 96 | if (path.CharAt(0) == '\\') |
| michael@0 | 97 | path.Cut(0, 1); |
| michael@0 | 98 | |
| michael@0 | 99 | if (IsUTF8(path)) |
| michael@0 | 100 | rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path)); |
| michael@0 | 101 | // XXX In rare cases, a valid UTF-8 string can be valid as a native |
| michael@0 | 102 | // encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x). |
| michael@0 | 103 | // However, the chance is very low that a meaningful word in a legacy |
| michael@0 | 104 | // encoding is valid as UTF-8. |
| michael@0 | 105 | else |
| michael@0 | 106 | // if path is not in UTF-8, assume it is encoded in the native charset |
| michael@0 | 107 | rv = localFile->InitWithNativePath(path); |
| michael@0 | 108 | |
| michael@0 | 109 | if (NS_FAILED(rv)) return rv; |
| michael@0 | 110 | |
| michael@0 | 111 | NS_ADDREF(*result = localFile); |
| michael@0 | 112 | return NS_OK; |
| michael@0 | 113 | } |
