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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
// 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 <string>
#include "net/base/escape.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
struct EscapeCase {
const wchar_t* input;
const wchar_t* output;
};
struct UnescapeURLCase {
const char* input;
UnescapeRule::Type rules;
const char* output;
};
struct UnescapeAndDecodeURLCase {
const char* encoding;
const char* input;
// The expected output when run through UnescapeURL.
const char* url_unescaped;
// The expected output when run through UnescapeQuery.
const char* query_unescaped;
// The expected output when run through UnescapeAndDecodeURLComponent.
const wchar_t* decoded;
};
struct EscapeForHTMLCase {
const char* input;
const char* expected_output;
};
}
TEST(Escape, EscapeTextForFormSubmission) {
const EscapeCase escape_cases[] = {
{L"foo", L"foo"},
{L"foo bar", L"foo+bar"},
{L"foo++", L"foo%2B%2B"}
};
for (size_t i = 0; i < arraysize(escape_cases); ++i) {
EscapeCase value = escape_cases[i];
EXPECT_EQ(value.output, EscapeQueryParamValueUTF8(value.input));
}
// Test all the values in we're supposed to be escaping.
const std::string no_escape(
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"0123456789"
"!'()*-._~");
for (int i = 0; i < 256; ++i) {
std::string in;
in.push_back(i);
std::string out = EscapeQueryParamValue(in);
if (0 == i) {
EXPECT_EQ(out, std::string("%00"));
} else if (32 == i) {
// Spaces are plus escaped like web forms.
EXPECT_EQ(out, std::string("+"));
} else if (no_escape.find(in) == std::string::npos) {
// Check %hex escaping
std::string expected = StringPrintf("%%%02X", i);
EXPECT_EQ(expected, out);
} else {
// No change for things in the no_escape list.
EXPECT_EQ(out, in);
}
}
// Check to see if EscapeQueryParamValueUTF8 is the same as
// EscapeQueryParamValue(..., kCodepageUTF8,)
std::wstring test_str;
test_str.reserve(5000);
for (int i = 1; i < 5000; ++i) {
test_str.push_back(i);
}
std::wstring wide;
EXPECT_TRUE(EscapeQueryParamValue(test_str, kCodepageUTF8, &wide));
EXPECT_EQ(wide, EscapeQueryParamValueUTF8(test_str));
}
TEST(Escape, EscapePath) {
ASSERT_EQ(
// Most of the character space we care about, un-escaped
EscapePath(
"\x02\n\x1d !\"#$%&'()*+,-./0123456789:;"
"<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"[\\]^_`abcdefghijklmnopqrstuvwxyz"
"{|}~\x7f\x80\xff"),
// Escaped
"%02%0A%1D%20!%22%23$%25&'()*+,-./0123456789%3A;"
"%3C=%3E%3F@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz"
"%7B%7C%7D~%7F%80%FF");
}
TEST(Escape, UnescapeURLComponent) {
const UnescapeURLCase unescape_cases[] = {
{"", UnescapeRule::NORMAL, ""},
{"%2", UnescapeRule::NORMAL, "%2"},
{"%%%%%%", UnescapeRule::NORMAL, "%%%%%%"},
{"Don't escape anything", UnescapeRule::NORMAL, "Don't escape anything"},
{"Invalid %escape %2", UnescapeRule::NORMAL, "Invalid %escape %2"},
{"Some%20random text %25%3bOK", UnescapeRule::NORMAL, "Some%20random text %25;OK"},
{"Some%20random text %25%3bOK", UnescapeRule::SPACES, "Some random text %25;OK"},
{"Some%20random text %25%3bOK", UnescapeRule::URL_SPECIAL_CHARS, "Some%20random text %;OK"},
{"Some%20random text %25%3bOK", UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS, "Some random text %;OK"},
{"%A0%B1%C2%D3%E4%F5", UnescapeRule::NORMAL, "\xA0\xB1\xC2\xD3\xE4\xF5"},
{"%Aa%Bb%Cc%Dd%Ee%Ff", UnescapeRule::NORMAL, "\xAa\xBb\xCc\xDd\xEe\xFf"},
// Certain URL-sensitive characters should not be unescaped unless asked.
{"Hello%20%13%10world %23# %3F? %3D= %26& %25% %2B+", UnescapeRule::SPACES, "Hello %13%10world %23# %3F? %3D= %26& %25% %2B+"},
{"Hello%20%13%10world %23# %3F? %3D= %26& %25% %2B+", UnescapeRule::URL_SPECIAL_CHARS, "Hello%20%13%10world ## ?? == && %% ++"},
// Control characters.
{"%01%02%03%04%05%06%07%08%09 %25", UnescapeRule::URL_SPECIAL_CHARS, "%01%02%03%04%05%06%07%08%09 %"},
{"%01%02%03%04%05%06%07%08%09 %25", UnescapeRule::CONTROL_CHARS, "\x01\x02\x03\x04\x05\x06\x07\x08\x09 %25"},
{"Hello%20%13%10%02", UnescapeRule::SPACES, "Hello %13%10%02"},
{"Hello%20%13%10%02", UnescapeRule::CONTROL_CHARS, "Hello%20\x13\x10\x02"},
};
for (size_t i = 0; i < arraysize(unescape_cases); i++) {
std::string str(unescape_cases[i].input);
EXPECT_EQ(std::string(unescape_cases[i].output),
UnescapeURLComponent(str, unescape_cases[i].rules));
}
// Test the NULL character unescaping (which wouldn't work above since those
// are just char pointers).
std::string input("Null");
input.push_back(0); // Also have a NULL in the input.
input.append("%00%39Test");
// When we're unescaping NULLs
std::string expected("Null");
expected.push_back(0);
expected.push_back(0);
expected.append("9Test");
EXPECT_EQ(expected, UnescapeURLComponent(input, UnescapeRule::CONTROL_CHARS));
// When we're not unescaping NULLs.
expected = "Null";
expected.push_back(0);
expected.append("%009Test");
EXPECT_EQ(expected, UnescapeURLComponent(input, UnescapeRule::NORMAL));
}
TEST(Escape, UnescapeAndDecodeURLComponent) {
const UnescapeAndDecodeURLCase unescape_cases[] = {
{"UTF8", "%", "%", "%", L"%"},
{"UTF8", "+", "+", " ", L"+"},
{"UTF8", "%2+", "%2+", "%2 ", L"%2+"},
{"UTF8", "+%%%+%%%", "+%%%+%%%", " %%% %%%", L"+%%%+%%%"},
{"UTF8", "Don't escape anything",
"Don't escape anything",
"Don't escape anything",
L"Don't escape anything"},
{"UTF8", "+Invalid %escape %2+",
"+Invalid %escape %2+",
" Invalid %escape %2 ",
L"+Invalid %escape %2+"},
{"UTF8", "Some random text %25%3bOK",
"Some random text %25;OK",
"Some random text %25;OK",
L"Some random text %25;OK"},
{"UTF8", "%01%02%03%04%05%06%07%08%09",
"%01%02%03%04%05%06%07%08%09",
"%01%02%03%04%05%06%07%08%09",
L"%01%02%03%04%05%06%07%08%09"},
{"UTF8", "%E4%BD%A0+%E5%A5%BD",
"\xE4\xBD\xA0+\xE5\xA5\xBD",
"\xE4\xBD\xA0 \xE5\xA5\xBD",
L"\x4f60+\x597d"},
{"BIG5", "%A7A%A6n",
"\xA7\x41\xA6n",
"\xA7\x41\xA6n",
L"\x4f60\x597d"},
{"UTF8", "%ED%ED", // Invalid UTF-8.
"\xED\xED",
"\xED\xED",
L"%ED%ED"}, // Invalid UTF-8 -> kept unescaped.
};
for (size_t i = 0; i < arraysize(unescape_cases); i++) {
std::string unescaped = UnescapeURLComponent(unescape_cases[i].input,
UnescapeRule::NORMAL);
EXPECT_EQ(std::string(unescape_cases[i].url_unescaped), unescaped);
unescaped = UnescapeURLComponent(unescape_cases[i].input,
UnescapeRule::REPLACE_PLUS_WITH_SPACE);
EXPECT_EQ(std::string(unescape_cases[i].query_unescaped), unescaped);
// TODO: Need to test unescape_spaces and unescape_percent.
std::wstring decoded = UnescapeAndDecodeURLComponent(
unescape_cases[i].input, unescape_cases[i].encoding,
UnescapeRule::NORMAL);
EXPECT_EQ(std::wstring(unescape_cases[i].decoded), decoded);
}
}
TEST(Escape, EscapeForHTML) {
const EscapeForHTMLCase tests[] = {
{ "hello", "hello" },
{ "<hello>", "<hello>" },
{ "don\'t mess with me", "don't mess with me" },
};
for (size_t i = 0; i < arraysize(tests); ++i) {
std::string result = EscapeForHTML(std::string(tests[i].input));
EXPECT_EQ(std::string(tests[i].expected_output), result);
}
}
|
