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url_canon_unittest.cc
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// Copyright 2013 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 <errno.h>
#include <stddef.h>
#include "base/stl_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/gtest_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/third_party/mozilla/url_parse.h"
#include "url/url_canon.h"
#include "url/url_canon_internal.h"
#include "url/url_canon_ip.h"
#include "url/url_canon_stdstring.h"
#include "url/url_test_utils.h"
namespace url {
namespace {
struct ComponentCase {
const char* input;
const char* expected;
Component expected_component;
bool expected_success;
};
// ComponentCase but with dual 8-bit/16-bit input. Generally, the unit tests
// treat each input as optional, and will only try processing if non-NULL.
// The output is always 8-bit.
struct DualComponentCase {
const char* input8;
const wchar_t* input16;
const char* expected;
Component expected_component;
bool expected_success;
};
// Test cases for CanonicalizeIPAddress(). The inputs are identical to
// DualComponentCase, but the output has extra CanonHostInfo fields.
struct IPAddressCase {
const char* input8;
const wchar_t* input16;
const char* expected;
Component expected_component;
// CanonHostInfo fields, for verbose output.
CanonHostInfo::Family expected_family;
int expected_num_ipv4_components;
const char* expected_address_hex; // Two hex chars per IP address byte.
};
std::string BytesToHexString(unsigned char bytes[16], int length) {
EXPECT_TRUE(length == 0 || length == 4 || length == 16)
<< "Bad IP address length: " << length;
std::string result;
for (int i = 0; i < length; ++i) {
result.push_back(kHexCharLookup[(bytes[i] >> 4) & 0xf]);
result.push_back(kHexCharLookup[bytes[i] & 0xf]);
}
return result;
}
struct ReplaceCase {
const char* base;
const char* scheme;
const char* username;
const char* password;
const char* host;
const char* port;
const char* path;
const char* query;
const char* ref;
const char* expected;
};
// Magic string used in the replacements code that tells SetupReplComp to
// call the clear function.
const char kDeleteComp[] = "|";
// Sets up a replacement for a single component. This is given pointers to
// the set and clear function for the component being replaced, and will
// either set the component (if it exists) or clear it (if the replacement
// string matches kDeleteComp).
//
// This template is currently used only for the 8-bit case, and the strlen
// causes it to fail in other cases. It is left a template in case we have
// tests for wide replacements.
template<typename CHAR>
void SetupReplComp(
void (Replacements<CHAR>::*set)(const CHAR*, const Component&),
void (Replacements<CHAR>::*clear)(),
Replacements<CHAR>* rep,
const CHAR* str) {
if (str && str[0] == kDeleteComp[0]) {
(rep->*clear)();
} else if (str) {
(rep->*set)(str, Component(0, static_cast<int>(strlen(str))));
}
}
} // namespace
TEST(URLCanonTest, DoAppendUTF8) {
struct UTF8Case {
unsigned input;
const char* output;
} utf_cases[] = {
// Valid code points.
{0x24, "\x24"},
{0xA2, "\xC2\xA2"},
{0x20AC, "\xE2\x82\xAC"},
{0x24B62, "\xF0\xA4\xAD\xA2"},
{0x10FFFF, "\xF4\x8F\xBF\xBF"},
};
std::string out_str;
for (size_t i = 0; i < base::size(utf_cases); i++) {
out_str.clear();
StdStringCanonOutput output(&out_str);
AppendUTF8Value(utf_cases[i].input, &output);
output.Complete();
EXPECT_EQ(utf_cases[i].output, out_str);
}
}
TEST(URLCanonTest, DoAppendUTF8Invalid) {
std::string out_str;
StdStringCanonOutput output(&out_str);
// Invalid code point (too large).
EXPECT_DCHECK_DEATH({
AppendUTF8Value(0x110000, &output);
output.Complete();
});
}
TEST(URLCanonTest, UTF) {
// Low-level test that we handle reading, canonicalization, and writing
// UTF-8/UTF-16 strings properly.
struct UTFCase {
const char* input8;
const wchar_t* input16;
bool expected_success;
const char* output;
} utf_cases[] = {
// Valid canonical input should get passed through & escaped.
{"\xe4\xbd\xa0\xe5\xa5\xbd", L"\x4f60\x597d", true, "%E4%BD%A0%E5%A5%BD"},
// Test a character that takes > 16 bits (U+10300 = old italic letter A)
{"\xF0\x90\x8C\x80", L"\xd800\xdf00", true, "%F0%90%8C%80"},
// Non-shortest-form UTF-8 characters are invalid. The bad bytes should
// each be replaced with the invalid character (EF BF DB in UTF-8).
{"\xf0\x84\xbd\xa0\xe5\xa5\xbd", nullptr, false,
"%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%E5%A5%BD"},
// Invalid UTF-8 sequences should be marked as invalid (the first
// sequence is truncated).
{"\xe4\xa0\xe5\xa5\xbd", L"\xd800\x597d", false, "%EF%BF%BD%E5%A5%BD"},
// Character going off the end.
{"\xe4\xbd\xa0\xe5\xa5", L"\x4f60\xd800", false, "%E4%BD%A0%EF%BF%BD"},
// ...same with low surrogates with no high surrogate.
{nullptr, L"\xdc00", false, "%EF%BF%BD"},
// Test a UTF-8 encoded surrogate value is marked as invalid.
// ED A0 80 = U+D800
{"\xed\xa0\x80", nullptr, false, "%EF%BF%BD%EF%BF%BD%EF%BF%BD"},
// ...even when paired.
{"\xed\xa0\x80\xed\xb0\x80", nullptr, false,
"%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD"},
};
std::string out_str;
for (size_t i = 0; i < base::size(utf_cases); i++) {
if (utf_cases[i].input8) {
out_str.clear();
StdStringCanonOutput output(&out_str);
int input_len = static_cast<int>(strlen(utf_cases[i].input8));
bool success = true;
for (int ch = 0; ch < input_len; ch++) {
success &= AppendUTF8EscapedChar(utf_cases[i].input8, &ch, input_len,
&output);
}
output.Complete();
EXPECT_EQ(utf_cases[i].expected_success, success);
EXPECT_EQ(std::string(utf_cases[i].output), out_str);
}
if (utf_cases[i].input16) {
out_str.clear();
StdStringCanonOutput output(&out_str);
std::u16string input_str(
test_utils::TruncateWStringToUTF16(utf_cases[i].input16));
int input_len = static_cast<int>(input_str.length());
bool success = true;
for (int ch = 0; ch < input_len; ch++) {
success &= AppendUTF8EscapedChar(input_str.c_str(), &ch, input_len,
&output);
}
output.Complete();
EXPECT_EQ(utf_cases[i].expected_success, success);
EXPECT_EQ(std::string(utf_cases[i].output), out_str);
}
if (utf_cases[i].input8 && utf_cases[i].input16 &&
utf_cases[i].expected_success) {
// Check that the UTF-8 and UTF-16 inputs are equivalent.
// UTF-16 -> UTF-8
std::string input8_str(utf_cases[i].input8);
std::u16string input16_str(
test_utils::TruncateWStringToUTF16(utf_cases[i].input16));
EXPECT_EQ(input8_str, base::UTF16ToUTF8(input16_str));
// UTF-8 -> UTF-16
EXPECT_EQ(input16_str, base::UTF8ToUTF16(input8_str));
}
}
}
TEST(URLCanonTest, Scheme) {
// Here, we're mostly testing that unusual characters are handled properly.
// The canonicalizer doesn't do any parsing or whitespace detection. It will
// also do its best on error, and will escape funny sequences (these won't be
// valid schemes and it will return error).
//
// Note that the canonicalizer will append a colon to the output to separate
// out the rest of the URL, which is not present in the input. We check,
// however, that the output range includes everything but the colon.
ComponentCase scheme_cases[] = {
{"http", "http:", Component(0, 4), true},
{"HTTP", "http:", Component(0, 4), true},
{" HTTP ", "%20http%20:", Component(0, 10), false},
{"htt: ", "htt%3A%20:", Component(0, 9), false},
{"\xe4\xbd\xa0\xe5\xa5\xbdhttp", "%E4%BD%A0%E5%A5%BDhttp:", Component(0, 22), false},
// Don't re-escape something already escaped. Note that it will
// "canonicalize" the 'A' to 'a', but that's OK.
{"ht%3Atp", "ht%3atp:", Component(0, 7), false},
{"", ":", Component(0, 0), false},
};
std::string out_str;
for (size_t i = 0; i < base::size(scheme_cases); i++) {
int url_len = static_cast<int>(strlen(scheme_cases[i].input));
Component in_comp(0, url_len);
Component out_comp;
out_str.clear();
StdStringCanonOutput output1(&out_str);
bool success = CanonicalizeScheme(scheme_cases[i].input, in_comp, &output1,
&out_comp);
output1.Complete();
EXPECT_EQ(scheme_cases[i].expected_success, success);
EXPECT_EQ(std::string(scheme_cases[i].expected), out_str);
EXPECT_EQ(scheme_cases[i].expected_component.begin, out_comp.begin);
EXPECT_EQ(scheme_cases[i].expected_component.len, out_comp.len);
// Now try the wide version.
out_str.clear();
StdStringCanonOutput output2(&out_str);
std::u16string wide_input(base::UTF8ToUTF16(scheme_cases[i].input));
in_comp.len = static_cast<int>(wide_input.length());
success = CanonicalizeScheme(wide_input.c_str(), in_comp, &output2,
&out_comp);
output2.Complete();
EXPECT_EQ(scheme_cases[i].expected_success, success);
EXPECT_EQ(std::string(scheme_cases[i].expected), out_str);
EXPECT_EQ(scheme_cases[i].expected_component.begin, out_comp.begin);
EXPECT_EQ(scheme_cases[i].expected_component.len, out_comp.len);
}
// Test the case where the scheme is declared nonexistent, it should be
// converted into an empty scheme.
Component out_comp;
out_str.clear();
StdStringCanonOutput output(&out_str);
EXPECT_FALSE(CanonicalizeScheme("", Component(0, -1), &output, &out_comp));
output.Complete();
EXPECT_EQ(std::string(":"), out_str);
EXPECT_EQ(0, out_comp.begin);
EXPECT_EQ(0, out_comp.len);
}
TEST(URLCanonTest, Host) {
IPAddressCase host_cases[] = {
// Basic canonicalization, uppercase should be converted to lowercase.
{"GoOgLe.CoM", L"GoOgLe.CoM", "google.com", Component(0, 10), CanonHostInfo::NEUTRAL, -1, ""},
// Spaces and some other characters should be escaped.
{"Goo%20 goo%7C|.com", L"Goo%20 goo%7C|.com", "goo%20%20goo%7C%7C.com", Component(0, 22), CanonHostInfo::NEUTRAL, -1, ""},
// Exciting different types of spaces!
{NULL, L"GOO\x00a0\x3000goo.com", "goo%20%20goo.com", Component(0, 16), CanonHostInfo::NEUTRAL, -1, ""},
// Other types of space (no-break, zero-width, zero-width-no-break) are
// name-prepped away to nothing.
{NULL, L"GOO\x200b\x2060\xfeffgoo.com", "googoo.com", Component(0, 10), CanonHostInfo::NEUTRAL, -1, ""},
// Ideographic full stop (full-width period for Chinese, etc.) should be
// treated as a dot.
{NULL, L"www.foo\x3002" L"bar.com", "www.foo.bar.com", Component(0, 15), CanonHostInfo::NEUTRAL, -1, ""},
// Invalid unicode characters should fail...
// ...In wide input, ICU will barf and we'll end up with the input as
// escaped UTF-8 (the invalid character should be replaced with the
// replacement character).
{"\xef\xb7\x90zyx.com", L"\xfdd0zyx.com", "%EF%BF%BDzyx.com", Component(0, 16), CanonHostInfo::BROKEN, -1, ""},
// ...This is the same as previous but with with escaped.
{"%ef%b7%90zyx.com", L"%ef%b7%90zyx.com", "%EF%BF%BDzyx.com", Component(0, 16), CanonHostInfo::BROKEN, -1, ""},
// Test name prepping, fullwidth input should be converted to ASCII and NOT
// IDN-ized. This is "Go" in fullwidth UTF-8/UTF-16.
{"\xef\xbc\xa7\xef\xbd\x8f.com", L"\xff27\xff4f.com", "go.com", Component(0, 6), CanonHostInfo::NEUTRAL, -1, ""},
// Test that fullwidth escaped values are properly name-prepped,
// then converted or rejected.
// ...%41 in fullwidth = 'A' (also as escaped UTF-8 input)
{"\xef\xbc\x85\xef\xbc\x94\xef\xbc\x91.com", L"\xff05\xff14\xff11.com", "a.com", Component(0, 5), CanonHostInfo::NEUTRAL, -1, ""},
{"%ef%bc%85%ef%bc%94%ef%bc%91.com", L"%ef%bc%85%ef%bc%94%ef%bc%91.com", "a.com", Component(0, 5), CanonHostInfo::NEUTRAL, -1, ""},
// ...%00 in fullwidth should fail (also as escaped UTF-8 input)
{"\xef\xbc\x85\xef\xbc\x90\xef\xbc\x90.com", L"\xff05\xff10\xff10.com", "%00.com", Component(0, 7), CanonHostInfo::BROKEN, -1, ""},
{"%ef%bc%85%ef%bc%90%ef%bc%90.com", L"%ef%bc%85%ef%bc%90%ef%bc%90.com", "%00.com", Component(0, 7), CanonHostInfo::BROKEN, -1, ""},
// ICU will convert weird percents into ASCII percents, but not unescape
// further. A weird percent is U+FE6A (EF B9 AA in UTF-8) which is a
// "small percent". At this point we should be within our rights to mark
// anything as invalid since the URL is corrupt or malicious. The code
// happens to allow ASCII characters (%41 = "A" -> 'a') to be unescaped
// and kept as valid, so we validate that behavior here, but this level
// of fixing the input shouldn't be seen as required. "%81" is invalid.
{"\xef\xb9\xaa" "41.com", L"\xfe6a" L"41.com", "a.com", Component(0, 5), CanonHostInfo::NEUTRAL, -1, ""},
{"%ef%b9%aa" "41.com", L"\xfe6a" L"41.com", "a.com", Component(0, 5), CanonHostInfo::NEUTRAL, -1, ""},
{"\xef\xb9\xaa" "81.com", L"\xfe6a" L"81.com", "%81.com", Component(0, 7), CanonHostInfo::BROKEN, -1, ""},
{"%ef%b9%aa" "81.com", L"\xfe6a" L"81.com", "%81.com", Component(0, 7), CanonHostInfo::BROKEN, -1, ""},
// Basic IDN support, UTF-8 and UTF-16 input should be converted to IDN
{"\xe4\xbd\xa0\xe5\xa5\xbd\xe4\xbd\xa0\xe5\xa5\xbd", L"\x4f60\x597d\x4f60\x597d", "xn--6qqa088eba", Component(0, 14), CanonHostInfo::NEUTRAL, -1, ""},
// See http://unicode.org/cldr/utility/idna.jsp for other
// examples/experiments and http://goo.gl/7yG11o
// for the full list of characters handled differently by
// IDNA 2003, UTS 46 (http://unicode.org/reports/tr46/ ) and IDNA 2008.
// 4 Deviation characters are mapped/ignored in UTS 46 transitional
// mechansm. UTS 46, table 4 row (g).
// Sharp-s is mapped to 'ss' in UTS 46 and IDNA 2003.
// Otherwise, it'd be "xn--fuball-cta.de".
{"fu\xc3\x9f" "ball.de", L"fu\x00df" L"ball.de", "fussball.de",
Component(0, 11), CanonHostInfo::NEUTRAL, -1, ""},
// Final-sigma (U+03C3) is mapped to regular sigma (U+03C2).
// Otherwise, it'd be "xn--wxaijb9b".
{"\xcf\x83\xcf\x8c\xce\xbb\xce\xbf\xcf\x82", L"\x3c3\x3cc\x3bb\x3bf\x3c2",
"xn--wxaikc6b", Component(0, 12),
CanonHostInfo::NEUTRAL, -1, ""},
// ZWNJ (U+200C) and ZWJ (U+200D) are mapped away in UTS 46 transitional
// handling as well as in IDNA 2003.
{"a\xe2\x80\x8c" "b\xe2\x80\x8d" "c", L"a\x200c" L"b\x200d" L"c", "abc",
Component(0, 3), CanonHostInfo::NEUTRAL, -1, ""},
// ZWJ between Devanagari characters is still mapped away in UTS 46
// transitional handling. IDNA 2008 would give xn--11bo0mv54g.
{"\xe0\xa4\x95\xe0\xa5\x8d\xe2\x80\x8d\xe0\xa4\x9c",
L"\x915\x94d\x200d\x91c", "xn--11bo0m",
Component(0, 10), CanonHostInfo::NEUTRAL, -1, ""},
// Fullwidth exclamation mark is disallowed. UTS 46, table 4, row (b)
// However, we do allow this at the moment because we don't use
// STD3 rules and canonicalize full-width ASCII to ASCII.
{"wow\xef\xbc\x81", L"wow\xff01", "wow%21",
Component(0, 6), CanonHostInfo::NEUTRAL, -1, ""},
// U+2132 (turned capital F) is disallowed. UTS 46, table 4, row (c)
// Allowed in IDNA 2003, but the mapping changed after Unicode 3.2
{"\xe2\x84\xb2oo", L"\x2132oo", "%E2%84%B2oo",
Component(0, 11), CanonHostInfo::BROKEN, -1, ""},
// U+2F868 (CJK Comp) is disallowed. UTS 46, table 4, row (d)
// Allowed in IDNA 2003, but the mapping changed after Unicode 3.2
{"\xf0\xaf\xa1\xa8\xe5\xa7\xbb.cn", L"\xd87e\xdc68\x59fb.cn",
"%F0%AF%A1%A8%E5%A7%BB.cn",
Component(0, 24), CanonHostInfo::BROKEN, -1, ""},
// Maps uppercase letters to lower case letters. UTS 46 table 4 row (e)
{"M\xc3\x9cNCHEN", L"M\xdcNCHEN", "xn--mnchen-3ya",
Component(0, 14), CanonHostInfo::NEUTRAL, -1, ""},
// An already-IDNA host is not modified.
{"xn--mnchen-3ya", L"xn--mnchen-3ya", "xn--mnchen-3ya",
Component(0, 14), CanonHostInfo::NEUTRAL, -1, ""},
// Symbol/punctuations are allowed in IDNA 2003/UTS46.
// Not allowed in IDNA 2008. UTS 46 table 4 row (f).
{"\xe2\x99\xa5ny.us", L"\x2665ny.us", "xn--ny-s0x.us",
Component(0, 13), CanonHostInfo::NEUTRAL, -1, ""},
// U+11013 is new in Unicode 6.0 and is allowed. UTS 46 table 4, row (h)
// We used to allow it because we passed through unassigned code points.
{"\xf0\x91\x80\x93.com", L"\xd804\xdc13.com", "xn--n00d.com",
Component(0, 12), CanonHostInfo::NEUTRAL, -1, ""},
// U+0602 is disallowed in UTS46/IDNA 2008. UTS 46 table 4, row(i)
// Used to be allowed in INDA 2003.
{"\xd8\x82.eg", L"\x602.eg", "%D8%82.eg",
Component(0, 9), CanonHostInfo::BROKEN, -1, ""},
// U+20B7 is new in Unicode 5.2 (not a part of IDNA 2003 based
// on Unicode 3.2). We did allow it in the past because we let unassigned
// code point pass. We continue to allow it even though it's a
// "punctuation and symbol" blocked in IDNA 2008.
// UTS 46 table 4, row (j)
{"\xe2\x82\xb7.com", L"\x20b7.com", "xn--wzg.com",
Component(0, 11), CanonHostInfo::NEUTRAL, -1, ""},
// Maps uppercase letters to lower case letters.
// In IDNA 2003, it's allowed without case-folding
// ( xn--bc-7cb.com ) because it's not defined in Unicode 3.2
// (added in Unicode 4.1). UTS 46 table 4 row (k)
{"bc\xc8\xba.com", L"bc\x23a.com", "xn--bc-is1a.com",
Component(0, 15), CanonHostInfo::NEUTRAL, -1, ""},
// Maps U+FF43 (Full Width Small Letter C) to 'c'.
{"ab\xef\xbd\x83.xyz", L"ab\xff43.xyz", "abc.xyz",
Component(0, 7), CanonHostInfo::NEUTRAL, -1, ""},
// Maps U+1D68C (Math Monospace Small C) to 'c'.
// U+1D68C = \xD835\xDE8C in UTF-16
{"ab\xf0\x9d\x9a\x8c.xyz", L"ab\xd835\xde8c.xyz", "abc.xyz",
Component(0, 7), CanonHostInfo::NEUTRAL, -1, ""},
// BiDi check test
// "Divehi" in Divehi (Thaana script) ends with BidiClass=NSM.
// Disallowed in IDNA 2003 but now allowed in UTS 46/IDNA 2008.
{"\xde\x8b\xde\xa8\xde\x88\xde\xac\xde\x80\xde\xa8",
L"\x78b\x7a8\x788\x7ac\x780\x7a8", "xn--hqbpi0jcw",
Component(0, 13), CanonHostInfo::NEUTRAL, -1, ""},
// Disallowed in both IDNA 2003 and 2008 with BiDi check.
// Labels starting with a RTL character cannot end with a LTR character.
{"\xd8\xac\xd8\xa7\xd8\xb1xyz", L"\x62c\x627\x631xyz",
"%D8%AC%D8%A7%D8%B1xyz", Component(0, 21),
CanonHostInfo::BROKEN, -1, ""},
// Labels starting with a RTL character can end with BC=EN (European
// number). Disallowed in IDNA 2003 but now allowed.
{"\xd8\xac\xd8\xa7\xd8\xb1" "2", L"\x62c\x627\x631" L"2",
"xn--2-ymcov", Component(0, 11),
CanonHostInfo::NEUTRAL, -1, ""},
// Labels starting with a RTL character cannot have "L" characters
// even if it ends with an BC=EN. Disallowed in both IDNA 2003/2008.
{"\xd8\xac\xd8\xa7\xd8\xb1xy2", L"\x62c\x627\x631xy2",
"%D8%AC%D8%A7%D8%B1xy2", Component(0, 21),
CanonHostInfo::BROKEN, -1, ""},
// Labels starting with a RTL character can end with BC=AN (Arabic number)
// Disallowed in IDNA 2003, but now allowed.
{"\xd8\xac\xd8\xa7\xd8\xb1\xd9\xa2", L"\x62c\x627\x631\x662",
"xn--mgbjq0r", Component(0, 11),
CanonHostInfo::NEUTRAL, -1, ""},
// Labels starting with a RTL character cannot have "L" characters
// even if it ends with an BC=AN (Arabic number).
// Disallowed in both IDNA 2003/2008.
{"\xd8\xac\xd8\xa7\xd8\xb1xy\xd9\xa2", L"\x62c\x627\x631xy\x662",
"%D8%AC%D8%A7%D8%B1xy%D9%A2", Component(0, 26),
CanonHostInfo::BROKEN, -1, ""},
// Labels starting with a RTL character cannot mix BC=EN and BC=AN
{"\xd8\xac\xd8\xa7\xd8\xb1xy2\xd9\xa2", L"\x62c\x627\x631xy2\x662",
"%D8%AC%D8%A7%D8%B1xy2%D9%A2", Component(0, 27),
CanonHostInfo::BROKEN, -1, ""},
// As of Unicode 6.2, U+20CF is not assigned. We do not allow it.
{"\xe2\x83\x8f.com", L"\x20cf.com", "%E2%83%8F.com",
Component(0, 13), CanonHostInfo::BROKEN, -1, ""},
// U+0080 is not allowed.
{"\xc2\x80.com", L"\x80.com", "%C2%80.com",
Component(0, 10), CanonHostInfo::BROKEN, -1, ""},
// Mixed UTF-8 and escaped UTF-8 (narrow case) and UTF-16 and escaped
// Mixed UTF-8 and escaped UTF-8 (narrow case) and UTF-16 and escaped
// UTF-8 (wide case). The output should be equivalent to the true wide
// character input above).
{"%E4%BD%A0%E5%A5%BD\xe4\xbd\xa0\xe5\xa5\xbd",
L"%E4%BD%A0%E5%A5%BD\x4f60\x597d", "xn--6qqa088eba",
Component(0, 14), CanonHostInfo::NEUTRAL, -1, ""},
// Invalid escaped characters should fail and the percents should be
// escaped.
{"%zz%66%a", L"%zz%66%a", "%25zzf%25a", Component(0, 10),
CanonHostInfo::BROKEN, -1, ""},
// If we get an invalid character that has been escaped.
{"%25", L"%25", "%25", Component(0, 3),
CanonHostInfo::BROKEN, -1, ""},
{"hello%00", L"hello%00", "hello%00", Component(0, 8),
CanonHostInfo::BROKEN, -1, ""},
// Escaped numbers should be treated like IP addresses if they are.
{"%30%78%63%30%2e%30%32%35%30.01", L"%30%78%63%30%2e%30%32%35%30.01",
"192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 3,
"C0A80001"},
{"%30%78%63%30%2e%30%32%35%30.01%2e", L"%30%78%63%30%2e%30%32%35%30.01%2e",
"192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 3,
"C0A80001"},
// Invalid escaping should trigger the regular host error handling.
{"%3g%78%63%30%2e%30%32%35%30%2E.01", L"%3g%78%63%30%2e%30%32%35%30%2E.01", "%253gxc0.0250..01", Component(0, 17), CanonHostInfo::BROKEN, -1, ""},
// Something that isn't exactly an IP should get treated as a host and
// spaces escaped.
{"192.168.0.1 hello", L"192.168.0.1 hello", "192.168.0.1%20hello", Component(0, 19), CanonHostInfo::NEUTRAL, -1, ""},
// Fullwidth and escaped UTF-8 fullwidth should still be treated as IP.
// These are "0Xc0.0250.01" in fullwidth.
{"\xef\xbc\x90%Ef%bc\xb8%ef%Bd%83\xef\xbc\x90%EF%BC%8E\xef\xbc\x90\xef\xbc\x92\xef\xbc\x95\xef\xbc\x90\xef\xbc%8E\xef\xbc\x90\xef\xbc\x91", L"\xff10\xff38\xff43\xff10\xff0e\xff10\xff12\xff15\xff10\xff0e\xff10\xff11", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 3, "C0A80001"},
// Broken IP addresses get marked as such.
{"192.168.0.257", L"192.168.0.257", "192.168.0.257", Component(0, 13), CanonHostInfo::BROKEN, -1, ""},
{"[google.com]", L"[google.com]", "[google.com]", Component(0, 12), CanonHostInfo::BROKEN, -1, ""},
// Cyrillic letter followed by '(' should return punycode for '(' escaped
// before punycode string was created. I.e.
// if '(' is escaped after punycode is created we would get xn--%28-8tb
// (incorrect).
{"\xd1\x82(", L"\x0442(", "xn--%28-7ed", Component(0, 11),
CanonHostInfo::NEUTRAL, -1, ""},
// Address with all hexidecimal characters with leading number of 1<<32
// or greater and should return NEUTRAL rather than BROKEN if not all
// components are numbers.
{"12345678912345.de", L"12345678912345.de", "12345678912345.de", Component(0, 17), CanonHostInfo::NEUTRAL, -1, ""},
{"1.12345678912345.de", L"1.12345678912345.de", "1.12345678912345.de", Component(0, 19), CanonHostInfo::NEUTRAL, -1, ""},
{"12345678912345.12345678912345.de", L"12345678912345.12345678912345.de", "12345678912345.12345678912345.de", Component(0, 32), CanonHostInfo::NEUTRAL, -1, ""},
{"1.2.0xB3A73CE5B59.de", L"1.2.0xB3A73CE5B59.de", "1.2.0xb3a73ce5b59.de", Component(0, 20), CanonHostInfo::NEUTRAL, -1, ""},
{"12345678912345.0xde", L"12345678912345.0xde", "12345678912345.0xde", Component(0, 19), CanonHostInfo::BROKEN, -1, ""},
// A label that starts with "xn--" but contains non-ASCII characters should
// be an error. Escape the invalid characters.
{"xn--m\xc3\xbcnchen", L"xn--m\xfcnchen", "xn--m%C3%BCnchen", Component(0, 16), CanonHostInfo::BROKEN, -1, ""},
};
// CanonicalizeHost() non-verbose.
std::string out_str;
for (size_t i = 0; i < base::size(host_cases); i++) {
// Narrow version.
if (host_cases[i].input8) {
int host_len = static_cast<int>(strlen(host_cases[i].input8));
Component in_comp(0, host_len);
Component out_comp;
out_str.clear();
StdStringCanonOutput output(&out_str);
bool success = CanonicalizeHost(host_cases[i].input8, in_comp, &output,
&out_comp);
output.Complete();
EXPECT_EQ(host_cases[i].expected_family != CanonHostInfo::BROKEN,
success) << "for input: " << host_cases[i].input8;
EXPECT_EQ(std::string(host_cases[i].expected), out_str) <<
"for input: " << host_cases[i].input8;
EXPECT_EQ(host_cases[i].expected_component.begin, out_comp.begin) <<
"for input: " << host_cases[i].input8;
EXPECT_EQ(host_cases[i].expected_component.len, out_comp.len) <<
"for input: " << host_cases[i].input8;
}
// Wide version.
if (host_cases[i].input16) {
std::u16string input16(
test_utils::TruncateWStringToUTF16(host_cases[i].input16));
int host_len = static_cast<int>(input16.length());
Component in_comp(0, host_len);
Component out_comp;
out_str.clear();
StdStringCanonOutput output(&out_str);
bool success = CanonicalizeHost(input16.c_str(), in_comp, &output,
&out_comp);
output.Complete();
EXPECT_EQ(host_cases[i].expected_family != CanonHostInfo::BROKEN,
success);
EXPECT_EQ(std::string(host_cases[i].expected), out_str);
EXPECT_EQ(host_cases[i].expected_component.begin, out_comp.begin);
EXPECT_EQ(host_cases[i].expected_component.len, out_comp.len);
}
}
// CanonicalizeHostVerbose()
for (size_t i = 0; i < base::size(host_cases); i++) {
// Narrow version.
if (host_cases[i].input8) {
int host_len = static_cast<int>(strlen(host_cases[i].input8));
Component in_comp(0, host_len);
out_str.clear();
StdStringCanonOutput output(&out_str);
CanonHostInfo host_info;
CanonicalizeHostVerbose(host_cases[i].input8, in_comp, &output,
&host_info);
output.Complete();
EXPECT_EQ(host_cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(host_cases[i].expected), out_str);
EXPECT_EQ(host_cases[i].expected_component.begin,
host_info.out_host.begin);
EXPECT_EQ(host_cases[i].expected_component.len, host_info.out_host.len);
EXPECT_EQ(std::string(host_cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength()));
if (host_cases[i].expected_family == CanonHostInfo::IPV4) {
EXPECT_EQ(host_cases[i].expected_num_ipv4_components,
host_info.num_ipv4_components);
}
}
// Wide version.
if (host_cases[i].input16) {
std::u16string input16(
test_utils::TruncateWStringToUTF16(host_cases[i].input16));
int host_len = static_cast<int>(input16.length());
Component in_comp(0, host_len);
out_str.clear();
StdStringCanonOutput output(&out_str);
CanonHostInfo host_info;
CanonicalizeHostVerbose(input16.c_str(), in_comp, &output, &host_info);
output.Complete();
EXPECT_EQ(host_cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(host_cases[i].expected), out_str);
EXPECT_EQ(host_cases[i].expected_component.begin,
host_info.out_host.begin);
EXPECT_EQ(host_cases[i].expected_component.len, host_info.out_host.len);
EXPECT_EQ(std::string(host_cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength()));
if (host_cases[i].expected_family == CanonHostInfo::IPV4) {
EXPECT_EQ(host_cases[i].expected_num_ipv4_components,
host_info.num_ipv4_components);
}
}
}
}
TEST(URLCanonTest, IPv4) {
IPAddressCase cases[] = {
// Empty is not an IP address.
{"", L"", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
{".", L".", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Regular IP addresses in different bases.
{"192.168.0.1", L"192.168.0.1", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 4, "C0A80001"},
{"0300.0250.00.01", L"0300.0250.00.01", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 4, "C0A80001"},
{"0xC0.0Xa8.0x0.0x1", L"0xC0.0Xa8.0x0.0x1", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 4, "C0A80001"},
// Non-IP addresses due to invalid characters.
{"192.168.9.com", L"192.168.9.com", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Invalid characters for the base should be rejected.
{"19a.168.0.1", L"19a.168.0.1", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
{"0308.0250.00.01", L"0308.0250.00.01", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
{"0xCG.0xA8.0x0.0x1", L"0xCG.0xA8.0x0.0x1", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// If there are not enough components, the last one should fill them out.
{"192", L"192", "0.0.0.192", Component(0, 9), CanonHostInfo::IPV4, 1, "000000C0"},
{"0xC0a80001", L"0xC0a80001", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 1, "C0A80001"},
{"030052000001", L"030052000001", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 1, "C0A80001"},
{"000030052000001", L"000030052000001", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 1, "C0A80001"},
{"192.168", L"192.168", "192.0.0.168", Component(0, 11), CanonHostInfo::IPV4, 2, "C00000A8"},
{"192.0x00A80001", L"192.0x000A80001", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 2, "C0A80001"},
{"0xc0.052000001", L"0xc0.052000001", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 2, "C0A80001"},
{"192.168.1", L"192.168.1", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 3, "C0A80001"},
// Too many components means not an IP address.
{"192.168.0.0.1", L"192.168.0.0.1", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// We allow a single trailing dot.
{"192.168.0.1.", L"192.168.0.1.", "192.168.0.1", Component(0, 11), CanonHostInfo::IPV4, 4, "C0A80001"},
{"192.168.0.1. hello", L"192.168.0.1. hello", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
{"192.168.0.1..", L"192.168.0.1..", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Two dots in a row means not an IP address.
{"192.168..1", L"192.168..1", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Any numerical overflow should be marked as BROKEN.
{"0x100.0", L"0x100.0", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0x100.0.0", L"0x100.0.0", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0x100.0.0.0", L"0x100.0.0.0", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0.0x100.0.0", L"0.0x100.0.0", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0.0.0x100.0", L"0.0.0x100.0", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0.0.0.0x100", L"0.0.0.0x100", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0.0.0x10000", L"0.0.0x10000", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0.0x1000000", L"0.0x1000000", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0x100000000", L"0x100000000", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Repeat the previous tests, minus 1, to verify boundaries.
{"0xFF.0", L"0xFF.0", "255.0.0.0", Component(0, 9), CanonHostInfo::IPV4, 2, "FF000000"},
{"0xFF.0.0", L"0xFF.0.0", "255.0.0.0", Component(0, 9), CanonHostInfo::IPV4, 3, "FF000000"},
{"0xFF.0.0.0", L"0xFF.0.0.0", "255.0.0.0", Component(0, 9), CanonHostInfo::IPV4, 4, "FF000000"},
{"0.0xFF.0.0", L"0.0xFF.0.0", "0.255.0.0", Component(0, 9), CanonHostInfo::IPV4, 4, "00FF0000"},
{"0.0.0xFF.0", L"0.0.0xFF.0", "0.0.255.0", Component(0, 9), CanonHostInfo::IPV4, 4, "0000FF00"},
{"0.0.0.0xFF", L"0.0.0.0xFF", "0.0.0.255", Component(0, 9), CanonHostInfo::IPV4, 4, "000000FF"},
{"0.0.0xFFFF", L"0.0.0xFFFF", "0.0.255.255", Component(0, 11), CanonHostInfo::IPV4, 3, "0000FFFF"},
{"0.0xFFFFFF", L"0.0xFFFFFF", "0.255.255.255", Component(0, 13), CanonHostInfo::IPV4, 2, "00FFFFFF"},
{"0xFFFFFFFF", L"0xFFFFFFFF", "255.255.255.255", Component(0, 15), CanonHostInfo::IPV4, 1, "FFFFFFFF"},
// Old trunctations tests. They're all "BROKEN" now.
{"276.256.0xf1a2.077777", L"276.256.0xf1a2.077777", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"192.168.0.257", L"192.168.0.257", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"192.168.0xa20001", L"192.168.0xa20001", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"192.015052000001", L"192.015052000001", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"0X12C0a80001", L"0X12C0a80001", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"276.1.2", L"276.1.2", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Spaces should be rejected.
{"192.168.0.1 hello", L"192.168.0.1 hello", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Very large numbers.
{"0000000000000300.0x00000000000000fF.00000000000000001", L"0000000000000300.0x00000000000000fF.00000000000000001", "192.255.0.1", Component(0, 11), CanonHostInfo::IPV4, 3, "C0FF0001"},
{"0000000000000300.0xffffffffFFFFFFFF.3022415481470977", L"0000000000000300.0xffffffffFFFFFFFF.3022415481470977", "", Component(0, 11), CanonHostInfo::BROKEN, -1, ""},
// A number has no length limit, but long numbers can still overflow.
{"00000000000000000001", L"00000000000000000001", "0.0.0.1", Component(0, 7), CanonHostInfo::IPV4, 1, "00000001"},
{"0000000000000000100000000000000001", L"0000000000000000100000000000000001", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// If a long component is non-numeric, it's a hostname, *not* a broken IP.
{"0.0.0.000000000000000000z", L"0.0.0.000000000000000000z", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
{"0.0.0.100000000000000000z", L"0.0.0.100000000000000000z", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Truncation of all zeros should still result in 0.
{"0.00.0x.0x0", L"0.00.0x.0x0", "0.0.0.0", Component(0, 7), CanonHostInfo::IPV4, 4, "00000000"},
};
for (size_t i = 0; i < base::size(cases); i++) {
// 8-bit version.
Component component(0, static_cast<int>(strlen(cases[i].input8)));
std::string out_str1;
StdStringCanonOutput output1(&out_str1);
CanonHostInfo host_info;
CanonicalizeIPAddress(cases[i].input8, component, &output1, &host_info);
output1.Complete();
EXPECT_EQ(cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength()));
if (host_info.family == CanonHostInfo::IPV4) {
EXPECT_STREQ(cases[i].expected, out_str1.c_str());
EXPECT_EQ(cases[i].expected_component.begin, host_info.out_host.begin);
EXPECT_EQ(cases[i].expected_component.len, host_info.out_host.len);
EXPECT_EQ(cases[i].expected_num_ipv4_components,
host_info.num_ipv4_components);
}
// 16-bit version.
std::u16string input16(
test_utils::TruncateWStringToUTF16(cases[i].input16));
component = Component(0, static_cast<int>(input16.length()));
std::string out_str2;
StdStringCanonOutput output2(&out_str2);
CanonicalizeIPAddress(input16.c_str(), component, &output2, &host_info);
output2.Complete();
EXPECT_EQ(cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength()));
if (host_info.family == CanonHostInfo::IPV4) {
EXPECT_STREQ(cases[i].expected, out_str2.c_str());
EXPECT_EQ(cases[i].expected_component.begin, host_info.out_host.begin);
EXPECT_EQ(cases[i].expected_component.len, host_info.out_host.len);
EXPECT_EQ(cases[i].expected_num_ipv4_components,
host_info.num_ipv4_components);
}
}
}
TEST(URLCanonTest, IPv6) {
IPAddressCase cases[] = {
// Empty is not an IP address.
{"", L"", "", Component(), CanonHostInfo::NEUTRAL, -1, ""},
// Non-IPs with [:] characters are marked BROKEN.
{":", L":", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[", L"[", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[:", L"[:", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"]", L"]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{":]", L":]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[]", L"[]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[:]", L"[:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Regular IP address is invalid without bounding '[' and ']'.
{"2001:db8::1", L"2001:db8::1", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[2001:db8::1", L"[2001:db8::1", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"2001:db8::1]", L"2001:db8::1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Regular IP addresses.
{"[::]", L"[::]", "[::]", Component(0,4), CanonHostInfo::IPV6, -1, "00000000000000000000000000000000"},
{"[::1]", L"[::1]", "[::1]", Component(0,5), CanonHostInfo::IPV6, -1, "00000000000000000000000000000001"},
{"[1::]", L"[1::]", "[1::]", Component(0,5), CanonHostInfo::IPV6, -1, "00010000000000000000000000000000"},
// Leading zeros should be stripped.
{"[000:01:02:003:004:5:6:007]", L"[000:01:02:003:004:5:6:007]", "[0:1:2:3:4:5:6:7]", Component(0,17), CanonHostInfo::IPV6, -1, "00000001000200030004000500060007"},
// Upper case letters should be lowercased.
{"[A:b:c:DE:fF:0:1:aC]", L"[A:b:c:DE:fF:0:1:aC]", "[a:b:c:de:ff:0:1:ac]", Component(0,20), CanonHostInfo::IPV6, -1, "000A000B000C00DE00FF0000000100AC"},
// The same address can be written with different contractions, but should
// get canonicalized to the same thing.
{"[1:0:0:2::3:0]", L"[1:0:0:2::3:0]", "[1::2:0:0:3:0]", Component(0,14), CanonHostInfo::IPV6, -1, "00010000000000020000000000030000"},
{"[1::2:0:0:3:0]", L"[1::2:0:0:3:0]", "[1::2:0:0:3:0]", Component(0,14), CanonHostInfo::IPV6, -1, "00010000000000020000000000030000"},
// Addresses with embedded IPv4.
{"[::192.168.0.1]", L"[::192.168.0.1]", "[::c0a8:1]", Component(0,10), CanonHostInfo::IPV6, -1, "000000000000000000000000C0A80001"},
{"[::ffff:192.168.0.1]", L"[::ffff:192.168.0.1]", "[::ffff:c0a8:1]", Component(0,15), CanonHostInfo::IPV6, -1, "00000000000000000000FFFFC0A80001"},
{"[::eeee:192.168.0.1]", L"[::eeee:192.168.0.1]", "[::eeee:c0a8:1]", Component(0, 15), CanonHostInfo::IPV6, -1, "00000000000000000000EEEEC0A80001"},
{"[2001::192.168.0.1]", L"[2001::192.168.0.1]", "[2001::c0a8:1]", Component(0, 14), CanonHostInfo::IPV6, -1, "200100000000000000000000C0A80001"},
{"[1:2:192.168.0.1:5:6]", L"[1:2:192.168.0.1:5:6]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// IPv4 with last component missing.
{"[::ffff:192.1.2]", L"[::ffff:192.1.2]", "[::ffff:c001:2]", Component(0,15), CanonHostInfo::IPV6, -1, "00000000000000000000FFFFC0010002"},
// IPv4 using hex.
// TODO(eroman): Should this format be disallowed?
{"[::ffff:0xC0.0Xa8.0x0.0x1]", L"[::ffff:0xC0.0Xa8.0x0.0x1]", "[::ffff:c0a8:1]", Component(0,15), CanonHostInfo::IPV6, -1, "00000000000000000000FFFFC0A80001"},
// There may be zeros surrounding the "::" contraction.
{"[0:0::0:0:8]", L"[0:0::0:0:8]", "[::8]", Component(0,5), CanonHostInfo::IPV6, -1, "00000000000000000000000000000008"},
{"[2001:db8::1]", L"[2001:db8::1]", "[2001:db8::1]", Component(0,13), CanonHostInfo::IPV6, -1, "20010DB8000000000000000000000001"},
// Can only have one "::" contraction in an IPv6 string literal.
{"[2001::db8::1]", L"[2001::db8::1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// No more than 2 consecutive ':'s.
{"[2001:db8:::1]", L"[2001:db8:::1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[:::]", L"[:::]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Non-IP addresses due to invalid characters.
{"[2001::.com]", L"[2001::.com]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// If there are not enough components, the last one should fill them out.
// ... omitted at this time ...
// Too many components means not an IP address. Similarly, with too few
// if using IPv4 compat or mapped addresses.
{"[::192.168.0.0.1]", L"[::192.168.0.0.1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[::ffff:192.168.0.0.1]", L"[::ffff:192.168.0.0.1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[1:2:3:4:5:6:7:8:9]", L"[1:2:3:4:5:6:7:8:9]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Too many bits (even though 8 comonents, the last one holds 32 bits).
{"[0:0:0:0:0:0:0:192.168.0.1]", L"[0:0:0:0:0:0:0:192.168.0.1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Too many bits specified -- the contraction would have to be zero-length
// to not exceed 128 bits.
{"[1:2:3:4:5:6::192.168.0.1]", L"[1:2:3:4:5:6::192.168.0.1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// The contraction is for 16 bits of zero.
{"[1:2:3:4:5:6::8]", L"[1:2:3:4:5:6::8]", "[1:2:3:4:5:6:0:8]", Component(0,17), CanonHostInfo::IPV6, -1, "00010002000300040005000600000008"},
// Cannot have a trailing colon.
{"[1:2:3:4:5:6:7:8:]", L"[1:2:3:4:5:6:7:8:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[1:2:3:4:5:6:192.168.0.1:]", L"[1:2:3:4:5:6:192.168.0.1:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Cannot have negative numbers.
{"[-1:2:3:4:5:6:7:8]", L"[-1:2:3:4:5:6:7:8]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Scope ID -- the URL may contain an optional ["%" <scope_id>] section.
// The scope_id should be included in the canonicalized URL, and is an
// unsigned decimal number.
// Invalid because no ID was given after the percent.
// Don't allow scope-id
{"[1::%1]", L"[1::%1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[1::%eth0]", L"[1::%eth0]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[1::%]", L"[1::%]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[%]", L"[%]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[::%:]", L"[::%:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Don't allow leading or trailing colons.
{"[:0:0::0:0:8]", L"[:0:0::0:0:8]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[0:0::0:0:8:]", L"[0:0::0:0:8:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
{"[:0:0::0:0:8:]", L"[:0:0::0:0:8:]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// We allow a single trailing dot.
// ... omitted at this time ...
// Two dots in a row means not an IP address.
{"[::192.168..1]", L"[::192.168..1]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
// Any non-first components get truncated to one byte.
// ... omitted at this time ...
// Spaces should be rejected.
{"[::1 hello]", L"[::1 hello]", "", Component(), CanonHostInfo::BROKEN, -1, ""},
};
for (size_t i = 0; i < base::size(cases); i++) {
// 8-bit version.
Component component(0, static_cast<int>(strlen(cases[i].input8)));
std::string out_str1;
StdStringCanonOutput output1(&out_str1);
CanonHostInfo host_info;
CanonicalizeIPAddress(cases[i].input8, component, &output1, &host_info);
output1.Complete();
EXPECT_EQ(cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength())) << "iter " << i << " host " << cases[i].input8;
if (host_info.family == CanonHostInfo::IPV6) {
EXPECT_STREQ(cases[i].expected, out_str1.c_str());
EXPECT_EQ(cases[i].expected_component.begin,
host_info.out_host.begin);
EXPECT_EQ(cases[i].expected_component.len, host_info.out_host.len);
}
// 16-bit version.
std::u16string input16(
test_utils::TruncateWStringToUTF16(cases[i].input16));
component = Component(0, static_cast<int>(input16.length()));
std::string out_str2;
StdStringCanonOutput output2(&out_str2);
CanonicalizeIPAddress(input16.c_str(), component, &output2, &host_info);
output2.Complete();
EXPECT_EQ(cases[i].expected_family, host_info.family);
EXPECT_EQ(std::string(cases[i].expected_address_hex),
BytesToHexString(host_info.address, host_info.AddressLength()));
if (host_info.family == CanonHostInfo::IPV6) {
EXPECT_STREQ(cases[i].expected, out_str2.c_str());
EXPECT_EQ(cases[i].expected_component.begin, host_info.out_host.begin);
EXPECT_EQ(cases[i].expected_component.len, host_info.out_host.len);
}
}
}
TEST(URLCanonTest, IPEmpty) {
std::string out_str1;
StdStringCanonOutput output1(&out_str1);
CanonHostInfo host_info;
// This tests tests.
const char spec[] = "192.168.0.1";
CanonicalizeIPAddress(spec, Component(), &output1, &host_info);
EXPECT_FALSE(host_info.IsIPAddress());
CanonicalizeIPAddress(spec, Component(0, 0), &output1, &host_info);
EXPECT_FALSE(host_info.IsIPAddress());
}
// Verifies that CanonicalizeHostSubstring produces the expected output and
// does not "fix" IP addresses. Because this code is a subset of
// CanonicalizeHost, the shared functionality is not tested.
TEST(URLCanonTest, CanonicalizeHostSubstring) {
// Basic sanity check.
{
std::string out_str;
StdStringCanonOutput output(&out_str);
EXPECT_TRUE(CanonicalizeHostSubstring("M\xc3\x9cNCHEN.com",
Component(0, 12), &output));
output.Complete();
EXPECT_EQ("xn--mnchen-3ya.com", out_str);
}
// Failure case.
{
std::string out_str;
StdStringCanonOutput output(&out_str);
EXPECT_FALSE(CanonicalizeHostSubstring(
test_utils::TruncateWStringToUTF16(L"\xfdd0zyx.com").c_str(),
Component(0, 8), &output));
output.Complete();
EXPECT_EQ("%EF%BF%BDzyx.com", out_str);
}
// Should return true for empty input strings.
{
std::string out_str;
StdStringCanonOutput output(&out_str);
EXPECT_TRUE(CanonicalizeHostSubstring("", Component(0, 0), &output));
output.Complete();
EXPECT_EQ(std::string(), out_str);
}
// Numbers that look like IP addresses should not be changed.
{
std::string out_str;
StdStringCanonOutput output(&out_str);
EXPECT_TRUE(
CanonicalizeHostSubstring("01.02.03.04", Component(0, 11), &output));
output.Complete();
EXPECT_EQ("01.02.03.04", out_str);
}
}
TEST(URLCanonTest, UserInfo) {
// Note that the canonicalizer should escape and treat empty components as
// not being there.
// We actually parse a full input URL so we can get the initial components.
struct UserComponentCase {
const char* input;
const char* expected;
Component expected_username;
Component expected_password;
bool expected_success;
} user_info_cases[] = {
{"http://user:pass@host.com/", "user:pass@", Component(0, 4), Component(5, 4), true},
{"http://@host.com/", "", Component(0, -1), Component(0, -1), true},
{"http://:@host.com/", "", Component(0, -1), Component(0, -1), true},
{"http://foo:@host.com/", "foo@", Component(0, 3), Component(0, -1), true},
{"http://:foo@host.com/", ":foo@", Component(0, 0), Component(1, 3), true},
{"http://^ :$\t@host.com/", "%5E%20:$%09@", Component(0, 6), Component(7, 4), true},
{"http://user:pass@/", "user:pass@", Component(0, 4), Component(5, 4), true},
{"http://%2540:bar@domain.com/", "%2540:bar@", Component(0, 5), Component(6, 3), true },
// IE7 compatibility: old versions allowed backslashes in usernames, but
// IE7 does not. We disallow it as well.
{"ftp://me\\mydomain:pass@foo.com/", "", Component(0, -1), Component(0, -1), true},
};
for (size_t i = 0; i < base::size(user_info_cases); i++) {
int url_len = static_cast<int>(strlen(user_info_cases[i].input));
Parsed parsed;
ParseStandardURL(user_info_cases[i].input, url_len, &parsed);
Component out_user, out_pass;
std::string out_str;
StdStringCanonOutput output1(&out_str);
bool success = CanonicalizeUserInfo(user_info_cases[i].input,
parsed.username,
user_info_cases[i].input,
parsed.password,
&output1,
&out_user,
&out_pass);
output1.Complete();
EXPECT_EQ(user_info_cases[i].expected_success, success);
EXPECT_EQ(std::string(user_info_cases[i].expected), out_str);
EXPECT_EQ(user_info_cases[i].expected_username.begin, out_user.begin);
EXPECT_EQ(user_info_cases[i].expected_username.len, out_user.len);
EXPECT_EQ(user_info_cases[i].expected_password.begin, out_pass.begin);
EXPECT_EQ(user_info_cases[i].expected_password.len, out_pass.len);
// Now try the wide version
out_str.clear();
StdStringCanonOutput output2(&out_str);
std::u16string wide_input(base::UTF8ToUTF16(user_info_cases[i].input));
success = CanonicalizeUserInfo(wide_input.c_str(),
parsed.username,
wide_input.c_str(),
parsed.password,
&output2,
&out_user,
&out_pass);
output2.Complete();