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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "url/url_util.h"
#include <stddef.h>
#include <string_view>
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest-message.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "url/third_party/mozilla/url_parse.h"
#include "url/url_canon.h"
#include "url/url_canon_stdstring.h"
#include "url/url_test_utils.h"
namespace url {
class URLUtilTest : public testing::Test {
public:
URLUtilTest() = default;
URLUtilTest(const URLUtilTest&) = delete;
URLUtilTest& operator=(const URLUtilTest&) = delete;
~URLUtilTest() override = default;
private:
ScopedSchemeRegistryForTests scoped_registry_;
};
TEST_F(URLUtilTest, FindAndCompareScheme) {
Component found_scheme;
// Simple case where the scheme is found and matches.
const char kStr1[] = "http://www.com/";
EXPECT_TRUE(FindAndCompareScheme(kStr1, static_cast<int>(strlen(kStr1)),
"http", nullptr));
EXPECT_TRUE(FindAndCompareScheme(
kStr1, static_cast<int>(strlen(kStr1)), "http", &found_scheme));
EXPECT_TRUE(found_scheme == Component(0, 4));
// A case where the scheme is found and doesn't match.
EXPECT_FALSE(FindAndCompareScheme(
kStr1, static_cast<int>(strlen(kStr1)), "https", &found_scheme));
EXPECT_TRUE(found_scheme == Component(0, 4));
// A case where there is no scheme.
const char kStr2[] = "httpfoobar";
EXPECT_FALSE(FindAndCompareScheme(
kStr2, static_cast<int>(strlen(kStr2)), "http", &found_scheme));
EXPECT_TRUE(found_scheme == Component());
// When there is an empty scheme, it should match the empty scheme.
const char kStr3[] = ":foo.com/";
EXPECT_TRUE(FindAndCompareScheme(
kStr3, static_cast<int>(strlen(kStr3)), "", &found_scheme));
EXPECT_TRUE(found_scheme == Component(0, 0));
// But when there is no scheme, it should fail.
EXPECT_FALSE(FindAndCompareScheme("", 0, "", &found_scheme));
EXPECT_TRUE(found_scheme == Component());
// When there is a whitespace char in scheme, it should canonicalize the URL
// before comparison.
const char whtspc_str[] = " \r\n\tjav\ra\nscri\tpt:alert(1)";
EXPECT_TRUE(FindAndCompareScheme(whtspc_str,
static_cast<int>(strlen(whtspc_str)),
"javascript", &found_scheme));
EXPECT_TRUE(found_scheme == Component(1, 10));
// Control characters should be stripped out on the ends, and kept in the
// middle.
const char ctrl_str[] = "\02jav\02scr\03ipt:alert(1)";
EXPECT_FALSE(FindAndCompareScheme(ctrl_str,
static_cast<int>(strlen(ctrl_str)),
"javascript", &found_scheme));
EXPECT_TRUE(found_scheme == Component(1, 11));
}
TEST_F(URLUtilTest, IsStandard) {
const char kHTTPScheme[] = "http";
EXPECT_TRUE(IsStandard(kHTTPScheme, Component(0, strlen(kHTTPScheme))));
const char kFooScheme[] = "foo";
EXPECT_FALSE(IsStandard(kFooScheme, Component(0, strlen(kFooScheme))));
}
TEST_F(URLUtilTest, IsReferrerScheme) {
const char kHTTPScheme[] = "http";
EXPECT_TRUE(IsReferrerScheme(kHTTPScheme, Component(0, strlen(kHTTPScheme))));
const char kFooScheme[] = "foo";
EXPECT_FALSE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
}
TEST_F(URLUtilTest, AddReferrerScheme) {
static const char kFooScheme[] = "foo";
EXPECT_FALSE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
url::ScopedSchemeRegistryForTests scoped_registry;
AddReferrerScheme(kFooScheme, url::SCHEME_WITH_HOST);
EXPECT_TRUE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
}
TEST_F(URLUtilTest, ShutdownCleansUpSchemes) {
static const char kFooScheme[] = "foo";
EXPECT_FALSE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
{
url::ScopedSchemeRegistryForTests scoped_registry;
AddReferrerScheme(kFooScheme, url::SCHEME_WITH_HOST);
EXPECT_TRUE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
}
EXPECT_FALSE(IsReferrerScheme(kFooScheme, Component(0, strlen(kFooScheme))));
}
TEST_F(URLUtilTest, GetStandardSchemeType) {
url::SchemeType scheme_type;
const char kHTTPScheme[] = "http";
scheme_type = url::SCHEME_WITHOUT_AUTHORITY;
EXPECT_TRUE(GetStandardSchemeType(kHTTPScheme,
Component(0, strlen(kHTTPScheme)),
&scheme_type));
EXPECT_EQ(url::SCHEME_WITH_HOST_PORT_AND_USER_INFORMATION, scheme_type);
const char kFilesystemScheme[] = "filesystem";
scheme_type = url::SCHEME_WITH_HOST_PORT_AND_USER_INFORMATION;
EXPECT_TRUE(GetStandardSchemeType(kFilesystemScheme,
Component(0, strlen(kFilesystemScheme)),
&scheme_type));
EXPECT_EQ(url::SCHEME_WITHOUT_AUTHORITY, scheme_type);
const char kFooScheme[] = "foo";
scheme_type = url::SCHEME_WITH_HOST_PORT_AND_USER_INFORMATION;
EXPECT_FALSE(GetStandardSchemeType(kFooScheme,
Component(0, strlen(kFooScheme)),
&scheme_type));
}
TEST_F(URLUtilTest, GetStandardSchemes) {
std::vector<std::string> expected = {
kHttpsScheme, kHttpScheme, kFileScheme, kFtpScheme,
kWssScheme, kWsScheme, kFileSystemScheme, "foo",
};
AddStandardScheme("foo", url::SCHEME_WITHOUT_AUTHORITY);
EXPECT_EQ(expected, GetStandardSchemes());
}
TEST_F(URLUtilTest, ReplaceComponents) {
Parsed parsed;
RawCanonOutputT<char> output;
Parsed new_parsed;
// Check that the following calls do not cause crash
Replacements<char> replacements;
replacements.SetRef("test", Component(0, 4));
ReplaceComponents(nullptr, 0, parsed, replacements, nullptr, &output,
&new_parsed);
ReplaceComponents("", 0, parsed, replacements, nullptr, &output, &new_parsed);
replacements.ClearRef();
replacements.SetHost("test", Component(0, 4));
ReplaceComponents(nullptr, 0, parsed, replacements, nullptr, &output,
&new_parsed);
ReplaceComponents("", 0, parsed, replacements, nullptr, &output, &new_parsed);
replacements.ClearHost();
ReplaceComponents(nullptr, 0, parsed, replacements, nullptr, &output,
&new_parsed);
ReplaceComponents("", 0, parsed, replacements, nullptr, &output, &new_parsed);
ReplaceComponents(nullptr, 0, parsed, replacements, nullptr, &output,
&new_parsed);
ReplaceComponents("", 0, parsed, replacements, nullptr, &output, &new_parsed);
}
static std::string CheckReplaceScheme(const char* base_url,
const char* scheme) {
// Make sure the input is canonicalized.
RawCanonOutput<32> original;
Parsed original_parsed;
Canonicalize(base_url, strlen(base_url), true, nullptr, &original,
&original_parsed);
Replacements<char> replacements;
replacements.SetScheme(scheme, Component(0, strlen(scheme)));
std::string output_string;
StdStringCanonOutput output(&output_string);
Parsed output_parsed;
ReplaceComponents(original.data(), original.length(), original_parsed,
replacements, nullptr, &output, &output_parsed);
output.Complete();
return output_string;
}
TEST_F(URLUtilTest, ReplaceScheme) {
EXPECT_EQ("https://google.com/",
CheckReplaceScheme("http://google.com/", "https"));
EXPECT_EQ("file://google.com/",
CheckReplaceScheme("http://google.com/", "file"));
EXPECT_EQ("http://home/Build",
CheckReplaceScheme("file:///Home/Build", "http"));
EXPECT_EQ("javascript:foo",
CheckReplaceScheme("about:foo", "javascript"));
EXPECT_EQ("://google.com/",
CheckReplaceScheme("http://google.com/", ""));
EXPECT_EQ("http://google.com/",
CheckReplaceScheme("about:google.com", "http"));
EXPECT_EQ("http:", CheckReplaceScheme("", "http"));
#ifdef WIN32
// Magic Windows drive letter behavior when converting to a file URL.
EXPECT_EQ("file:///E:/foo/",
CheckReplaceScheme("http://localhost/e:foo/", "file"));
#endif
// This will probably change to "about://google.com/" when we fix
// http://crbug.com/160 which should also be an acceptable result.
EXPECT_EQ("about://google.com/",
CheckReplaceScheme("http://google.com/", "about"));
EXPECT_EQ("http://example.com/%20hello%20#%20world",
CheckReplaceScheme("myscheme:example.com/ hello # world ", "http"));
}
TEST_F(URLUtilTest, DecodeURLEscapeSequences) {
struct DecodeCase {
const char* input;
const char* output;
} decode_cases[] = {
{"hello, world", "hello, world"},
{"%01%02%03%04%05%06%07%08%09%0a%0B%0C%0D%0e%0f/",
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0B\x0C\x0D\x0e\x0f/"},
{"%10%11%12%13%14%15%16%17%18%19%1a%1B%1C%1D%1e%1f/",
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1B\x1C\x1D\x1e\x1f/"},
{"%20%21%22%23%24%25%26%27%28%29%2a%2B%2C%2D%2e%2f/",
" !\"#$%&'()*+,-.//"},
{"%30%31%32%33%34%35%36%37%38%39%3a%3B%3C%3D%3e%3f/",
"0123456789:;<=>?/"},
{"%40%41%42%43%44%45%46%47%48%49%4a%4B%4C%4D%4e%4f/",
"@ABCDEFGHIJKLMNO/"},
{"%50%51%52%53%54%55%56%57%58%59%5a%5B%5C%5D%5e%5f/",
"PQRSTUVWXYZ[\\]^_/"},
{"%60%61%62%63%64%65%66%67%68%69%6a%6B%6C%6D%6e%6f/",
"`abcdefghijklmno/"},
{"%70%71%72%73%74%75%76%77%78%79%7a%7B%7C%7D%7e%7f/",
"pqrstuvwxyz{|}~\x7f/"},
{"%e4%bd%a0%e5%a5%bd", "\xe4\xbd\xa0\xe5\xa5\xbd"},
// U+FFFF (Noncharacter) should not be replaced with U+FFFD (Replacement
// Character) (http://crbug.com/1416021)
{"%ef%bf%bf", "\xef\xbf\xbf"},
// U+FDD0 (Noncharacter)
{"%ef%b7%90", "\xef\xb7\x90"},
// U+FFFD (Replacement Character)
{"%ef%bf%bd", "\xef\xbf\xbd"},
};
for (const auto& decode_case : decode_cases) {
RawCanonOutputT<char16_t> output;
DecodeURLEscapeSequences(decode_case.input,
DecodeURLMode::kUTF8OrIsomorphic, &output);
EXPECT_EQ(decode_case.output, base::UTF16ToUTF8(std::u16string(
output.data(), output.length())));
RawCanonOutputT<char16_t> output_utf8;
DecodeURLEscapeSequences(decode_case.input, DecodeURLMode::kUTF8,
&output_utf8);
EXPECT_EQ(decode_case.output,
base::UTF16ToUTF8(
std::u16string(output_utf8.data(), output_utf8.length())));
}
// Our decode should decode %00
const char zero_input[] = "%00";
RawCanonOutputT<char16_t> zero_output;
DecodeURLEscapeSequences(zero_input, DecodeURLMode::kUTF8, &zero_output);
EXPECT_NE("%00", base::UTF16ToUTF8(std::u16string(zero_output.data(),
zero_output.length())));
// Test the error behavior for invalid UTF-8.
struct Utf8DecodeCase {
const char* input;
std::vector<char16_t> expected_iso;
std::vector<char16_t> expected_utf8;
} utf8_decode_cases[] = {
// %e5%a5%bd is a valid UTF-8 sequence. U+597D
{"%e4%a0%e5%a5%bd",
{0x00e4, 0x00a0, 0x00e5, 0x00a5, 0x00bd, 0},
{0xfffd, 0x597d, 0}},
{"%e5%a5%bd%e4%a0",
{0x00e5, 0x00a5, 0x00bd, 0x00e4, 0x00a0, 0},
{0x597d, 0xfffd, 0}},
{"%e4%a0%e5%bd",
{0x00e4, 0x00a0, 0x00e5, 0x00bd, 0},
{0xfffd, 0xfffd, 0}},
};
for (const auto& utf8_decode_case : utf8_decode_cases) {
RawCanonOutputT<char16_t> output_iso;
DecodeURLEscapeSequences(utf8_decode_case.input,
DecodeURLMode::kUTF8OrIsomorphic, &output_iso);
EXPECT_EQ(std::u16string(utf8_decode_case.expected_iso.data()),
std::u16string(output_iso.data(), output_iso.length()));
RawCanonOutputT<char16_t> output_utf8;
DecodeURLEscapeSequences(utf8_decode_case.input, DecodeURLMode::kUTF8,
&output_utf8);
EXPECT_EQ(std::u16string(utf8_decode_case.expected_utf8.data()),
std::u16string(output_utf8.data(), output_utf8.length()));
}
}
TEST_F(URLUtilTest, TestEncodeURIComponent) {
struct EncodeCase {
const char* input;
const char* output;
} encode_cases[] = {
{"hello, world", "hello%2C%20world"},
{"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F",
"%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E%0F"},
{"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F",
"%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D%1E%1F"},
{" !\"#$%&'()*+,-./",
"%20!%22%23%24%25%26%27()*%2B%2C-.%2F"},
{"0123456789:;<=>?",
"0123456789%3A%3B%3C%3D%3E%3F"},
{"@ABCDEFGHIJKLMNO",
"%40ABCDEFGHIJKLMNO"},
{"PQRSTUVWXYZ[\\]^_",
"PQRSTUVWXYZ%5B%5C%5D%5E_"},
{"`abcdefghijklmno",
"%60abcdefghijklmno"},
{"pqrstuvwxyz{|}~\x7f",
"pqrstuvwxyz%7B%7C%7D~%7F"},
};
for (const auto& encode_case : encode_cases) {
RawCanonOutputT<char> buffer;
EncodeURIComponent(encode_case.input, &buffer);
std::string output(buffer.data(), buffer.length());
EXPECT_EQ(encode_case.output, output);
}
}
TEST_F(URLUtilTest, TestResolveRelativeWithNonStandardBase) {
// This tests non-standard (in the sense that IsStandard() == false)
// hierarchical schemes.
struct ResolveRelativeCase {
const char* base;
const char* rel;
bool is_valid;
const char* out;
} resolve_non_standard_cases[] = {
// Resolving a relative path against a non-hierarchical URL should fail.
{"scheme:opaque_data", "/path", false, ""},
// Resolving a relative path against a non-standard authority-based base
// URL doesn't alter the authority section.
{"scheme://Authority/", "../path", true, "scheme://Authority/path"},
// A non-standard hierarchical base is resolved with path URL
// canonicalization rules.
{"data:/Blah:Blah/", "file.html", true, "data:/Blah:Blah/file.html"},
{"data:/Path/../part/part2", "file.html", true,
"data:/Path/../part/file.html"},
{"data://text/html,payload", "//user:pass@host:33////payload22", true,
"data://user:pass@host:33////payload22"},
// Path URL canonicalization rules also apply to non-standard authority-
// based URLs.
{"custom://Authority/", "file.html", true,
"custom://Authority/file.html"},
{"custom://Authority/", "other://Auth/", true, "other://Auth/"},
{"custom://Authority/", "../../file.html", true,
"custom://Authority/file.html"},
{"custom://Authority/path/", "file.html", true,
"custom://Authority/path/file.html"},
{"custom://Authority:NoCanon/path/", "file.html", true,
"custom://Authority:NoCanon/path/file.html"},
// It's still possible to get an invalid path URL.
{"custom://Invalid:!#Auth/", "file.html", false, ""},
// A path with an authority section gets canonicalized under standard URL
// rules, even though the base was non-standard.
{"content://content.Provider/", "//other.Provider", true,
"content://other.provider/"},
// Resolving an absolute URL doesn't cause canonicalization of the
// result.
{"about:blank", "custom://Authority", true, "custom://Authority"},
// Fragment URLs can be resolved against a non-standard base.
{"scheme://Authority/path", "#fragment", true,
"scheme://Authority/path#fragment"},
{"scheme://Authority/", "#fragment", true,
"scheme://Authority/#fragment"},
// Resolving should fail if the base URL is authority-based but is
// missing a path component (the '/' at the end).
{"scheme://Authority", "path", false, ""},
// Test resolving a fragment (only) against any kind of base-URL.
{"about:blank", "#id42", true, "about:blank#id42"},
{"about:blank", " #id42", true, "about:blank#id42"},
{"about:blank#oldfrag", "#newfrag", true, "about:blank#newfrag"},
{"about:blank", " #id:42", true, "about:blank#id:42"},
// A surprising side effect of allowing fragments to resolve against
// any URL scheme is we might break javascript: URLs by doing so...
{"javascript:alert('foo#bar')", "#badfrag", true,
"javascript:alert('foo#badfrag"},
// In this case, the backslashes will not be canonicalized because it's a
// non-standard URL, but they will be treated as a path separators,
// giving the base URL here a path of "\".
//
// The result here is somewhat arbitrary. One could argue it should be
// either "aaa://a\" or "aaa://a/" since the path is being replaced with
// the "current directory". But in the context of resolving on data URLs,
// adding the requested dot doesn't seem wrong either.
{"aaa://a\\", "aaa:.", true, "aaa://a\\."}};
for (const auto& test : resolve_non_standard_cases) {
SCOPED_TRACE(testing::Message()
<< "base: " << test.base << ", rel: " << test.rel);
Parsed base_parsed;
ParsePathURL(test.base, strlen(test.base), false, &base_parsed);
std::string resolved;
StdStringCanonOutput output(&resolved);
Parsed resolved_parsed;
bool valid =
ResolveRelative(test.base, strlen(test.base), base_parsed, test.rel,
strlen(test.rel), nullptr, &output, &resolved_parsed);
output.Complete();
EXPECT_EQ(test.is_valid, valid);
if (test.is_valid && valid) {
EXPECT_EQ(test.out, resolved);
}
}
}
TEST_F(URLUtilTest, TestNoRefComponent) {
// The hash-mark must be ignored when mailto: scheme is parsed,
// even if the URL has a base and relative part.
const char* base = "mailto://to/";
const char* rel = "any#body";
Parsed base_parsed;
ParsePathURL(base, strlen(base), false, &base_parsed);
std::string resolved;
StdStringCanonOutput output(&resolved);
Parsed resolved_parsed;
bool valid = ResolveRelative(base, strlen(base), base_parsed, rel,
strlen(rel), nullptr, &output, &resolved_parsed);
EXPECT_TRUE(valid);
EXPECT_FALSE(resolved_parsed.ref.is_valid());
}
TEST_F(URLUtilTest, PotentiallyDanglingMarkup) {
struct ResolveRelativeCase {
const char* base;
const char* rel;
bool potentially_dangling_markup;
const char* out;
} cases[] = {
{"https://example.com/", "/path<", false, "https://example.com/path%3C"},
{"https://example.com/", "\n/path<", true, "https://example.com/path%3C"},
{"https://example.com/", "\r/path<", true, "https://example.com/path%3C"},
{"https://example.com/", "\t/path<", true, "https://example.com/path%3C"},
{"https://example.com/", "/pa\nth<", true, "https://example.com/path%3C"},
{"https://example.com/", "/pa\rth<", true, "https://example.com/path%3C"},
{"https://example.com/", "/pa\tth<", true, "https://example.com/path%3C"},
{"https://example.com/", "/path\n<", true, "https://example.com/path%3C"},
{"https://example.com/", "/path\r<", true, "https://example.com/path%3C"},
{"https://example.com/", "/path\r<", true, "https://example.com/path%3C"},
{"https://example.com/", "\n/<path", true, "https://example.com/%3Cpath"},
{"https://example.com/", "\r/<path", true, "https://example.com/%3Cpath"},
{"https://example.com/", "\t/<path", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<pa\nth", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<pa\rth", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<pa\tth", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<path\n", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<path\r", true, "https://example.com/%3Cpath"},
{"https://example.com/", "/<path\r", true, "https://example.com/%3Cpath"},
};
for (const auto& test : cases) {
SCOPED_TRACE(::testing::Message() << test.base << ", " << test.rel);
Parsed base_parsed;
ParseStandardURL(test.base, strlen(test.base), &base_parsed);
std::string resolved;
StdStringCanonOutput output(&resolved);
Parsed resolved_parsed;
bool valid =
ResolveRelative(test.base, strlen(test.base), base_parsed, test.rel,
strlen(test.rel), nullptr, &output, &resolved_parsed);
ASSERT_TRUE(valid);
output.Complete();
EXPECT_EQ(test.potentially_dangling_markup,
resolved_parsed.potentially_dangling_markup);
EXPECT_EQ(test.out, resolved);
}
}
TEST_F(URLUtilTest, PotentiallyDanglingMarkupAfterReplacement) {
// Parse a URL with potentially dangling markup.
Parsed original_parsed;
RawCanonOutput<32> original;
const char* url = "htt\nps://example.com/<path";
Canonicalize(url, strlen(url), false, nullptr, &original, &original_parsed);
ASSERT_TRUE(original_parsed.potentially_dangling_markup);
// Perform a replacement, and validate that the potentially_dangling_markup
// flag carried over to the new Parsed object.
Replacements<char> replacements;
replacements.ClearRef();
Parsed replaced_parsed;
RawCanonOutput<32> replaced;
ReplaceComponents(original.data(), original.length(), original_parsed,
replacements, nullptr, &replaced, &replaced_parsed);
EXPECT_TRUE(replaced_parsed.potentially_dangling_markup);
}
TEST_F(URLUtilTest, PotentiallyDanglingMarkupAfterSchemeOnlyReplacement) {
// Parse a URL with potentially dangling markup.
Parsed original_parsed;
RawCanonOutput<32> original;
const char* url = "http://example.com/\n/<path";
Canonicalize(url, strlen(url), false, nullptr, &original, &original_parsed);
ASSERT_TRUE(original_parsed.potentially_dangling_markup);
// Perform a replacement, and validate that the potentially_dangling_markup
// flag carried over to the new Parsed object.
Replacements<char> replacements;
const char* new_scheme = "https";
replacements.SetScheme(new_scheme, Component(0, strlen(new_scheme)));
Parsed replaced_parsed;
RawCanonOutput<32> replaced;
ReplaceComponents(original.data(), original.length(), original_parsed,
replacements, nullptr, &replaced, &replaced_parsed);
EXPECT_TRUE(replaced_parsed.potentially_dangling_markup);
}
TEST_F(URLUtilTest, TestDomainIs) {
const struct {
const char* canonicalized_host;
const char* lower_ascii_domain;
bool expected_domain_is;
} kTestCases[] = {
{"google.com", "google.com", true},
{"www.google.com", "google.com", true}, // Subdomain is ignored.
{"www.google.com.cn", "google.com", false}, // Different TLD.
{"www.google.comm", "google.com", false},
{"www.iamnotgoogle.com", "google.com", false}, // Different hostname.
{"www.google.com", "Google.com", false}, // The input is not lower-cased.
// If the host ends with a dot, it matches domains with or without a dot.
{"www.google.com.", "google.com", true},
{"www.google.com.", "google.com.", true},
{"www.google.com.", ".com", true},
{"www.google.com.", ".com.", true},
// But, if the host doesn't end with a dot and the input domain does, then
// it's considered to not match.
{"www.google.com", "google.com.", false},
// If the host ends with two dots, it doesn't match.
{"www.google.com..", "google.com", false},
// Empty parameters.
{"www.google.com", "", false},
{"", "www.google.com", false},
{"", "", false},
};
for (const auto& test_case : kTestCases) {
SCOPED_TRACE(testing::Message() << "(host, domain): ("
<< test_case.canonicalized_host << ", "
<< test_case.lower_ascii_domain << ")");
EXPECT_EQ(
test_case.expected_domain_is,
DomainIs(test_case.canonicalized_host, test_case.lower_ascii_domain));
}
}
namespace {
absl::optional<std::string> CanonicalizeSpec(std::string_view spec,
bool trim_path_end) {
std::string canonicalized;
StdStringCanonOutput output(&canonicalized);
Parsed parsed;
if (!Canonicalize(spec.data(), spec.size(), trim_path_end,
/*charset_converter=*/nullptr, &output, &parsed)) {
return {};
}
output.Complete(); // Must be called before string is used.
return canonicalized;
}
} // namespace
#if BUILDFLAG(IS_WIN)
// Regression test for https://crbug.com/1252658.
TEST_F(URLUtilTest, TestCanonicalizeWindowsPathWithLeadingNUL) {
auto PrefixWithNUL = [](std::string&& s) -> std::string { return '\0' + s; };
EXPECT_EQ(CanonicalizeSpec(PrefixWithNUL("w:"), /*trim_path_end=*/false),
absl::make_optional("file:///W:"));
EXPECT_EQ(CanonicalizeSpec(PrefixWithNUL("\\\\server\\share"),
/*trim_path_end=*/false),
absl::make_optional("file://server/share"));
}
#endif
TEST_F(URLUtilTest, TestCanonicalizeIdempotencyWithLeadingControlCharacters) {
std::string spec = "_w:";
// Loop over all C0 control characters and the space character.
for (char c = '\0'; c <= ' '; c++) {
SCOPED_TRACE(testing::Message() << "c: " << c);
// Overwrite the first character of `spec`. Note that replacing the first
// character with NUL will not change the length!
spec[0] = c;
for (bool trim_path_end : {false, true}) {
SCOPED_TRACE(testing::Message() << "trim_path_end: " << trim_path_end);
absl::optional<std::string> canonicalized =
CanonicalizeSpec(spec, trim_path_end);
ASSERT_TRUE(canonicalized);
EXPECT_EQ(canonicalized, CanonicalizeSpec(*canonicalized, trim_path_end));
}
}
}
TEST_F(URLUtilTest, TestHasInvalidURLEscapeSequences) {
struct TestCase {
const char* input;
bool is_invalid;
} cases[] = {
// Edge cases.
{"", false},
{"%", true},
// Single regular chars with no escaping are valid.
{"a", false},
{"g", false},
{"A", false},
{"G", false},
{":", false},
{"]", false},
{"\x00", false}, // ASCII 'NUL' char
{"\x01", false}, // ASCII 'SOH' char
{"\xC2\xA3", false}, // UTF-8 encoded '£'.
// Longer strings without escaping are valid.
{"Hello world", false},
{"Here: [%25] <-- a percent-encoded percent character.", false},
// Valid %-escaped sequences ('%' followed by two hex digits).
{"%00", false},
{"%20", false},
{"%02", false},
{"%ff", false},
{"%FF", false},
{"%0a", false},
{"%0A", false},
{"abc%FF", false},
{"%FFabc", false},
{"abc%FFabc", false},
{"hello %FF world", false},
{"%20hello%20world", false},
{"%25", false},
{"%25%25", false},
{"%250", false},
{"%259", false},
{"%25A", false},
{"%25F", false},
{"%0a:", false},
// '%' followed by a single character is never a valid sequence.
{"%%", true},
{"%2", true},
{"%a", true},
{"%A", true},
{"%g", true},
{"%G", true},
{"%:", true},
{"%[", true},
{"%F", true},
{"%\xC2\xA3", true}, //% followed by UTF-8 encoded '£'.
// String ends on a potential escape sequence but without two hex-digits
// is invalid.
{"abc%", true},
{"abc%%", true},
{"abc%%%", true},
{"abc%a", true},
// One hex and one non-hex digit is invalid.
{"%a:", true},
{"%:a", true},
{"%::", true},
{"%ag", true},
{"%ga", true},
{"%-1", true},
{"%1-", true},
{"%0\xC2\xA3", true}, // %0£.
};
for (TestCase test_case : cases) {
const char* input = test_case.input;
bool result = HasInvalidURLEscapeSequences(input);
EXPECT_EQ(test_case.is_invalid, result)
<< "Invalid result for '" << input << "'";
}
}
} // namespace url
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