1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Windows-specific local file uri parsing */
#include "nsURLHelper.h"
#include "nsEscape.h"
#include "nsIFile.h"
#include <windows.h>
nsresult
net_GetURLSpecFromActualFile(nsIFile *aFile, nsACString &result)
{
nsresult rv;
nsAutoString path;
// construct URL spec from file path
rv = aFile->GetPath(path);
if (NS_FAILED(rv)) return rv;
// Replace \ with / to convert to an url
path.ReplaceChar(char16_t(0x5Cu), char16_t(0x2Fu));
nsAutoCString escPath;
// Windows Desktop paths begin with a drive letter, so need an 'extra'
// slash at the begining
// C:\Windows => file:///C:/Windows
NS_NAMED_LITERAL_CSTRING(prefix, "file:///");
// Escape the path with the directory mask
NS_ConvertUTF16toUTF8 ePath(path);
if (NS_EscapeURL(ePath.get(), -1, esc_Directory+esc_Forced, escPath))
escPath.Insert(prefix, 0);
else
escPath.Assign(prefix + ePath);
// esc_Directory does not escape the semicolons, so if a filename
// contains semicolons we need to manually escape them.
// This replacement should be removed in bug #473280
escPath.ReplaceSubstring(";", "%3b");
result = escPath;
return NS_OK;
}
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
nsresult rv;
if (aURL.Length() > (uint32_t) net_GetURLMaxLength()) {
return NS_ERROR_MALFORMED_URI;
}
nsCOMPtr<nsIFile> localFile(
do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
if (NS_FAILED(rv)) {
NS_ERROR("Only nsIFile supported right now");
return rv;
}
localFile->SetFollowLinks(true);
const nsACString *specPtr;
nsAutoCString buf;
if (net_NormalizeFileURL(aURL, buf))
specPtr = &buf;
else
specPtr = &aURL;
nsAutoCString directory, fileBaseName, fileExtension;
rv = net_ParseFileURL(*specPtr, directory, fileBaseName, fileExtension);
if (NS_FAILED(rv)) return rv;
nsAutoCString path;
if (!directory.IsEmpty()) {
NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
if (path.Length() > 2 && path.CharAt(2) == '|')
path.SetCharAt(':', 2);
path.ReplaceChar('/', '\\');
}
if (!fileBaseName.IsEmpty())
NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
if (!fileExtension.IsEmpty()) {
path += '.';
NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
}
NS_UnescapeURL(path);
if (path.Length() != strlen(path.get()))
return NS_ERROR_FILE_INVALID_PATH;
// remove leading '\'
if (path.CharAt(0) == '\\')
path.Cut(0, 1);
if (IsUTF8(path))
rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
// XXX In rare cases, a valid UTF-8 string can be valid as a native
// encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
// However, the chance is very low that a meaningful word in a legacy
// encoding is valid as UTF-8.
else
// if path is not in UTF-8, assume it is encoded in the native charset
rv = localFile->InitWithNativePath(path);
if (NS_FAILED(rv)) return rv;
localFile.forget(result);
return NS_OK;
}
|
