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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// Copyright (c) 2012 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 "webkit/fileapi/file_system_url.h"
#include <sstream>
#include "base/logging.h"
#include "base/string_util.h"
#include "net/base/escape.h"
#include "webkit/fileapi/external_mount_points.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/fileapi/file_system_util.h"
#include "webkit/fileapi/isolated_context.h"
namespace fileapi {
namespace {
bool ParseFileSystemURL(const GURL& url,
GURL* origin_url,
FileSystemType* type,
base::FilePath* file_path) {
GURL origin;
FileSystemType file_system_type = kFileSystemTypeUnknown;
if (!url.is_valid() || !url.SchemeIsFileSystem())
return false;
DCHECK(url.inner_url());
std::string inner_path = url.inner_url()->path();
const struct {
FileSystemType type;
const char* dir;
} kValidTypes[] = {
{ kFileSystemTypePersistent, kPersistentDir },
{ kFileSystemTypeTemporary, kTemporaryDir },
{ kFileSystemTypeIsolated, kIsolatedDir },
{ kFileSystemTypeExternal, kExternalDir },
{ kFileSystemTypeTest, kTestDir },
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kValidTypes); ++i) {
if (StartsWithASCII(inner_path, kValidTypes[i].dir, true)) {
file_system_type = kValidTypes[i].type;
break;
}
}
if (file_system_type == kFileSystemTypeUnknown)
return false;
std::string path = net::UnescapeURLComponent(url.path(),
net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS |
net::UnescapeRule::CONTROL_CHARS);
// Ensure the path is relative.
while (!path.empty() && path[0] == '/')
path.erase(0, 1);
base::FilePath converted_path = base::FilePath::FromUTF8Unsafe(path);
// All parent references should have been resolved in the renderer.
if (converted_path.ReferencesParent())
return false;
if (origin_url)
*origin_url = url.GetOrigin();
if (type)
*type = file_system_type;
if (file_path)
*file_path = converted_path.NormalizePathSeparators().
StripTrailingSeparators();
return true;
}
} // namespace
FileSystemURL::FileSystemURL()
: is_valid_(false),
type_(kFileSystemTypeUnknown),
mount_type_(kFileSystemTypeUnknown) {
}
// static
FileSystemURL FileSystemURL::CreateForTest(const GURL& url) {
return FileSystemURL(url);
}
FileSystemURL FileSystemURL::CreateForTest(const GURL& origin,
FileSystemType type,
const base::FilePath& path) {
return FileSystemURL(origin, type, path);
}
FileSystemURL::FileSystemURL(const GURL& url)
: type_(kFileSystemTypeUnknown),
mount_type_(kFileSystemTypeUnknown) {
is_valid_ = ParseFileSystemURL(url, &origin_, &type_, &path_);
virtual_path_ = path_;
mount_type_ = type_;
}
FileSystemURL::FileSystemURL(const GURL& origin,
FileSystemType type,
const base::FilePath& path)
: is_valid_(true),
origin_(origin),
type_(type),
mount_type_(type),
path_(path.NormalizePathSeparators()),
virtual_path_(path.NormalizePathSeparators()) {
}
FileSystemURL::FileSystemURL(const GURL& origin,
FileSystemType mount_type,
const base::FilePath& virtual_path,
const std::string& filesystem_id,
FileSystemType cracked_type,
const base::FilePath& cracked_path)
: is_valid_(true),
origin_(origin),
type_(cracked_type),
mount_type_(mount_type),
path_(cracked_path.NormalizePathSeparators()),
filesystem_id_(filesystem_id),
virtual_path_(virtual_path.NormalizePathSeparators()) {
}
FileSystemURL::~FileSystemURL() {}
std::string FileSystemURL::DebugString() const {
if (!is_valid_)
return "invalid filesystem: URL";
std::ostringstream ss;
ss << GetFileSystemRootURI(origin_, mount_type_);
// filesystem_id_ will be non empty for (and only for) cracked URLs.
if (!filesystem_id_.empty()) {
ss << virtual_path_.value();
ss << " (";
ss << GetFileSystemTypeString(type_) << "@" << filesystem_id_ << ":";
ss << path_.value();
ss << ")";
} else {
ss << path_.value();
}
return ss.str();
}
FileSystemURL FileSystemURL::WithPath(const base::FilePath& path) const {
FileSystemURL url = *this;
url.path_ = path;
url.virtual_path_.clear();
return url;
}
bool FileSystemURL::IsParent(const FileSystemURL& child) const {
return origin() == child.origin() &&
type() == child.type() &&
filesystem_id() == child.filesystem_id() &&
path().IsParent(child.path());
}
bool FileSystemURL::operator==(const FileSystemURL& that) const {
return origin_ == that.origin_ &&
type_ == that.type_ &&
path_ == that.path_ &&
filesystem_id_ == that.filesystem_id_ &&
is_valid_ == that.is_valid_;
}
bool FileSystemURL::Comparator::operator()(const FileSystemURL& lhs,
const FileSystemURL& rhs) const {
DCHECK(lhs.is_valid_ && rhs.is_valid_);
if (lhs.origin_ != rhs.origin_)
return lhs.origin_ < rhs.origin_;
if (lhs.type_ != rhs.type_)
return lhs.type_ < rhs.type_;
if (lhs.filesystem_id_ != rhs.filesystem_id_)
return lhs.filesystem_id_ < rhs.filesystem_id_;
return lhs.path_ < rhs.path_;
}
} // namespace fileapi
|
