src/chrome/common/net/url_fixer_upper_unittest.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <stdlib.h>
   6
   7 #include "base/basictypes.h"
   8 #include "base/file_util.h"
   9 #include "base/path_service.h"
  10 #include "base/strings/string_util.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "chrome/common/chrome_paths.h"
  13 #include "chrome/common/net/url_fixer_upper.h"
  14 #include "net/base/filename_util.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16 #include "url/gurl.h"
  17 #include "url/url_parse.h"
  18
  19 namespace {
  20   class URLFixerUpperTest : public testing::Test {
  21   };
  22 };
  23
  24 namespace url {
  25
  26 std::ostream& operator<<(std::ostream& os, const Component& part) {
  27   return os << "(begin=" << part.begin << ", len=" << part.len << ")";
  28 }
  29
  30 }  // namespace url
  31
  32 struct SegmentCase {
  33   const std::string input;
  34   const std::string result;
  35   const url::Component scheme;
  36   const url::Component username;
  37   const url::Component password;
  38   const url::Component host;
  39   const url::Component port;
  40   const url::Component path;
  41   const url::Component query;
  42   const url::Component ref;
  43 };
  44
  45 static const SegmentCase segment_cases[] = {
  46   { "http://www.google.com/", "http",
  47     url::Component(0, 4), // scheme
  48     url::Component(), // username
  49     url::Component(), // password
  50     url::Component(7, 14), // host
  51     url::Component(), // port
  52     url::Component(21, 1), // path
  53     url::Component(), // query
  54     url::Component(), // ref
  55   },
  56   { "aBoUt:vErSiOn", "about",
  57     url::Component(0, 5), // scheme
  58     url::Component(), // username
  59     url::Component(), // password
  60     url::Component(6, 7), // host
  61     url::Component(), // port
  62     url::Component(), // path
  63     url::Component(), // query
  64     url::Component(), // ref
  65   },
  66   { "about:host/path?query#ref", "about",
  67     url::Component(0, 5), // scheme
  68     url::Component(), // username
  69     url::Component(), // password
  70     url::Component(6, 4), // host
  71     url::Component(), // port
  72     url::Component(10, 5), // path
  73     url::Component(16, 5), // query
  74     url::Component(22, 3), // ref
  75   },
  76   { "about://host/path?query#ref", "about",
  77     url::Component(0, 5), // scheme
  78     url::Component(), // username
  79     url::Component(), // password
  80     url::Component(8, 4), // host
  81     url::Component(), // port
  82     url::Component(12, 5), // path
  83     url::Component(18, 5), // query
  84     url::Component(24, 3), // ref
  85   },
  86   { "chrome:host/path?query#ref", "chrome",
  87     url::Component(0, 6), // scheme
  88     url::Component(), // username
  89     url::Component(), // password
  90     url::Component(7, 4), // host
  91     url::Component(), // port
  92     url::Component(11, 5), // path
  93     url::Component(17, 5), // query
  94     url::Component(23, 3), // ref
  95   },
  96   { "chrome://host/path?query#ref", "chrome",
  97     url::Component(0, 6), // scheme
  98     url::Component(), // username
  99     url::Component(), // password
 100     url::Component(9, 4), // host
 101     url::Component(), // port
 102     url::Component(13, 5), // path
 103     url::Component(19, 5), // query
 104     url::Component(25, 3), // ref
 105   },
 106   { "    www.google.com:124?foo#", "http",
 107     url::Component(), // scheme
 108     url::Component(), // username
 109     url::Component(), // password
 110     url::Component(4, 14), // host
 111     url::Component(19, 3), // port
 112     url::Component(), // path
 113     url::Component(23, 3), // query
 114     url::Component(27, 0), // ref
 115   },
 116   { "user@www.google.com", "http",
 117     url::Component(), // scheme
 118     url::Component(0, 4), // username
 119     url::Component(), // password
 120     url::Component(5, 14), // host
 121     url::Component(), // port
 122     url::Component(), // path
 123     url::Component(), // query
 124     url::Component(), // ref
 125   },
 126   { "ftp:/user:P:a$$Wd@..ftp.google.com...::23///pub?foo#bar", "ftp",
 127     url::Component(0, 3), // scheme
 128     url::Component(5, 4), // username
 129     url::Component(10, 7), // password
 130     url::Component(18, 20), // host
 131     url::Component(39, 2), // port
 132     url::Component(41, 6), // path
 133     url::Component(48, 3), // query
 134     url::Component(52, 3), // ref
 135   },
 136   { "[2001:db8::1]/path", "http",
 137     url::Component(), // scheme
 138     url::Component(), // username
 139     url::Component(), // password
 140     url::Component(0, 13), // host
 141     url::Component(), // port
 142     url::Component(13, 5), // path
 143     url::Component(), // query
 144     url::Component(), // ref
 145   },
 146   { "[::1]", "http",
 147     url::Component(), // scheme
 148     url::Component(), // username
 149     url::Component(), // password
 150     url::Component(0, 5), // host
 151     url::Component(), // port
 152     url::Component(), // path
 153     url::Component(), // query
 154     url::Component(), // ref
 155   },
 156   // Incomplete IPv6 addresses (will not canonicalize).
 157   { "[2001:4860:", "http",
 158     url::Component(), // scheme
 159     url::Component(), // username
 160     url::Component(), // password
 161     url::Component(0, 11), // host
 162     url::Component(), // port
 163     url::Component(), // path
 164     url::Component(), // query
 165     url::Component(), // ref
 166   },
 167   { "[2001:4860:/foo", "http",
 168     url::Component(), // scheme
 169     url::Component(), // username
 170     url::Component(), // password
 171     url::Component(0, 11), // host
 172     url::Component(), // port
 173     url::Component(11, 4), // path
 174     url::Component(), // query
 175     url::Component(), // ref
 176   },
 177   { "http://:b005::68]", "http",
 178     url::Component(0, 4), // scheme
 179     url::Component(), // username
 180     url::Component(), // password
 181     url::Component(7, 10), // host
 182     url::Component(), // port
 183     url::Component(), // path
 184     url::Component(), // query
 185     url::Component(), // ref
 186   },
 187   // Can't do anything useful with this.
 188   { ":b005::68]", "",
 189     url::Component(0, 0), // scheme
 190     url::Component(), // username
 191     url::Component(), // password
 192     url::Component(), // host
 193     url::Component(), // port
 194     url::Component(), // path
 195     url::Component(), // query
 196     url::Component(), // ref
 197   },
 198 };
 199
 200 TEST(URLFixerUpperTest, SegmentURL) {
 201   std::string result;
 202   url::Parsed parts;
 203
 204   for (size_t i = 0; i < arraysize(segment_cases); ++i) {
 205     SegmentCase value = segment_cases[i];
 206     result = URLFixerUpper::SegmentURL(value.input, &parts);
 207     EXPECT_EQ(value.result, result);
 208     EXPECT_EQ(value.scheme, parts.scheme);
 209     EXPECT_EQ(value.username, parts.username);
 210     EXPECT_EQ(value.password, parts.password);
 211     EXPECT_EQ(value.host, parts.host);
 212     EXPECT_EQ(value.port, parts.port);
 213     EXPECT_EQ(value.path, parts.path);
 214     EXPECT_EQ(value.query, parts.query);
 215     EXPECT_EQ(value.ref, parts.ref);
 216   }
 217 }
 218
 219 // Creates a file and returns its full name as well as the decomposed
 220 // version. Example:
 221 //    full_path = "c:\foo\bar.txt"
 222 //    dir = "c:\foo"
 223 //    file_name = "bar.txt"
 224 static bool MakeTempFile(const base::FilePath& dir,
 225                          const base::FilePath& file_name,
 226                          base::FilePath* full_path) {
 227   *full_path = dir.Append(file_name);
 228   return base::WriteFile(*full_path, "", 0) == 0;
 229 }
 230
 231 // Returns true if the given URL is a file: URL that matches the given file
 232 static bool IsMatchingFileURL(const std::string& url,
 233                               const base::FilePath& full_file_path) {
 234   if (url.length() <= 8)
 235     return false;
 236   if (std::string("file:///") != url.substr(0, 8))
 237     return false; // no file:/// prefix
 238   if (url.find('\\') != std::string::npos)
 239     return false; // contains backslashes
 240
 241   base::FilePath derived_path;
 242   net::FileURLToFilePath(GURL(url), &derived_path);
 243
 244   return base::FilePath::CompareEqualIgnoreCase(derived_path.value(),
 245                                           full_file_path.value());
 246 }
 247
 248 struct FixupCase {
 249   const std::string input;
 250   const std::string desired_tld;
 251   const std::string output;
 252 } fixup_cases[] = {
 253   {"www.google.com", "", "http://www.google.com/"},
 254   {" www.google.com     ", "", "http://www.google.com/"},
 255   {" foo.com/asdf  bar", "", "http://foo.com/asdf%20%20bar"},
 256   {"..www.google.com..", "", "http://www.google.com./"},
 257   {"http://......", "", "http://....../"},
 258   {"http://host.com:ninety-two/", "", "http://host.com:ninety-two/"},
 259   {"http://host.com:ninety-two?foo", "", "http://host.com:ninety-two/?foo"},
 260   {"google.com:123", "", "http://google.com:123/"},
 261   {"about:", "", "chrome://version/"},
 262   {"about:foo", "", "chrome://foo/"},
 263   {"about:version", "", "chrome://version/"},
 264   {"about:usr:pwd@hst/pth?qry#ref", "", "chrome://usr:pwd@hst/pth?qry#ref"},
 265   {"about://usr:pwd@hst/pth?qry#ref", "", "chrome://usr:pwd@hst/pth?qry#ref"},
 266   {"chrome:usr:pwd@hst/pth?qry#ref", "", "chrome://usr:pwd@hst/pth?qry#ref"},
 267   {"chrome://usr:pwd@hst/pth?qry#ref", "", "chrome://usr:pwd@hst/pth?qry#ref"},
 268   {"www:123", "", "http://www:123/"},
 269   {"   www:123", "", "http://www:123/"},
 270   {"www.google.com?foo", "", "http://www.google.com/?foo"},
 271   {"www.google.com#foo", "", "http://www.google.com/#foo"},
 272   {"www.google.com?", "", "http://www.google.com/?"},
 273   {"www.google.com#", "", "http://www.google.com/#"},
 274   {"www.google.com:123?foo#bar", "", "http://www.google.com:123/?foo#bar"},
 275   {"user@www.google.com", "", "http://user@www.google.com/"},
 276   {"\xE6\xB0\xB4.com" , "", "http://xn--1rw.com/"},
 277   // It would be better if this next case got treated as http, but I don't see
 278   // a clean way to guess this isn't the new-and-exciting "user" scheme.
 279   {"user:passwd@www.google.com:8080/", "", "user:passwd@www.google.com:8080/"},
 280   // {"file:///c:/foo/bar%20baz.txt", "", "file:///C:/foo/bar%20baz.txt"},
 281   {"ftp.google.com", "", "ftp://ftp.google.com/"},
 282   {"    ftp.google.com", "", "ftp://ftp.google.com/"},
 283   {"FTP.GooGle.com", "", "ftp://ftp.google.com/"},
 284   {"ftpblah.google.com", "", "http://ftpblah.google.com/"},
 285   {"ftp", "", "http://ftp/"},
 286   {"google.ftp.com", "", "http://google.ftp.com/"},
 287   // URLs which end with 0x85 (NEL in ISO-8859).
 288   { "http://google.com/search?q=\xd0\x85", "",
 289     "http://google.com/search?q=%D0%85"
 290   },
 291   { "http://google.com/search?q=\xec\x97\x85", "",
 292     "http://google.com/search?q=%EC%97%85"
 293   },
 294   { "http://google.com/search?q=\xf0\x90\x80\x85", "",
 295     "http://google.com/search?q=%F0%90%80%85"
 296   },
 297   // URLs which end with 0xA0 (non-break space in ISO-8859).
 298   { "http://google.com/search?q=\xd0\xa0", "",
 299     "http://google.com/search?q=%D0%A0"
 300   },
 301   { "http://google.com/search?q=\xec\x97\xa0", "",
 302     "http://google.com/search?q=%EC%97%A0"
 303   },
 304   { "http://google.com/search?q=\xf0\x90\x80\xa0", "",
 305     "http://google.com/search?q=%F0%90%80%A0"
 306   },
 307   // URLs containing IPv6 literals.
 308   {"[2001:db8::2]", "", "http://[2001:db8::2]/"},
 309   {"[::]:80", "", "http://[::]/"},
 310   {"[::]:80/path", "", "http://[::]/path"},
 311   {"[::]:180/path", "", "http://[::]:180/path"},
 312   // TODO(pmarks): Maybe we should parse bare IPv6 literals someday.
 313   {"::1", "", "::1"},
 314   // Semicolon as scheme separator for standard schemes.
 315   {"http;//www.google.com/", "", "http://www.google.com/"},
 316   {"about;chrome", "", "chrome://chrome/"},
 317   // Semicolon left as-is for non-standard schemes.
 318   {"whatsup;//fool", "", "whatsup://fool"},
 319   // Semicolon left as-is in URL itself.
 320   {"http://host/port?query;moar", "", "http://host/port?query;moar"},
 321   // Fewer slashes than expected.
 322   {"http;www.google.com/", "", "http://www.google.com/"},
 323   {"http;/www.google.com/", "", "http://www.google.com/"},
 324   // Semicolon at start.
 325   {";http://www.google.com/", "", "http://%3Bhttp//www.google.com/"},
 326 };
 327
 328 TEST(URLFixerUpperTest, FixupURL) {
 329   for (size_t i = 0; i < arraysize(fixup_cases); ++i) {
 330     FixupCase value = fixup_cases[i];
 331     EXPECT_EQ(value.output, URLFixerUpper::FixupURL(value.input,
 332         value.desired_tld).possibly_invalid_spec())
 333         << "input: " << value.input;
 334   }
 335
 336   // Check the TLD-appending functionality
 337   FixupCase tld_cases[] = {
 338     {"google", "com", "http://www.google.com/"},
 339     {"google.", "com", "http://www.google.com/"},
 340     {"google..", "com", "http://www.google.com/"},
 341     {".google", "com", "http://www.google.com/"},
 342     {"www.google", "com", "http://www.google.com/"},
 343     {"google.com", "com", "http://google.com/"},
 344     {"http://google", "com", "http://www.google.com/"},
 345     {"..google..", "com", "http://www.google.com/"},
 346     {"http://www.google", "com", "http://www.google.com/"},
 347     {"9999999999999999", "com", "http://www.9999999999999999.com/"},
 348     {"google/foo", "com", "http://www.google.com/foo"},
 349     {"google.com/foo", "com", "http://google.com/foo"},
 350     {"google/?foo=.com", "com", "http://www.google.com/?foo=.com"},
 351     {"www.google/?foo=www.", "com", "http://www.google.com/?foo=www."},
 352     {"google.com/?foo=.com", "com", "http://google.com/?foo=.com"},
 353     {"http://www.google.com", "com", "http://www.google.com/"},
 354     {"google:123", "com", "http://www.google.com:123/"},
 355     {"http://google:123", "com", "http://www.google.com:123/"},
 356   };
 357   for (size_t i = 0; i < arraysize(tld_cases); ++i) {
 358     FixupCase value = tld_cases[i];
 359     EXPECT_EQ(value.output, URLFixerUpper::FixupURL(value.input,
 360         value.desired_tld).possibly_invalid_spec());
 361   }
 362 }
 363
 364 // Test different types of file inputs to URIFixerUpper::FixupURL. This
 365 // doesn't go into the nice array of fixups above since the file input
 366 // has to exist.
 367 TEST(URLFixerUpperTest, FixupFile) {
 368   // this "original" filename is the one we tweak to get all the variations
 369   base::FilePath dir;
 370   base::FilePath original;
 371   ASSERT_TRUE(PathService::Get(chrome::DIR_APP, &dir));
 372   ASSERT_TRUE(MakeTempFile(
 373       dir,
 374       base::FilePath(FILE_PATH_LITERAL("url fixer upper existing file.txt")),
 375       &original));
 376
 377   // reference path
 378   GURL golden(net::FilePathToFileURL(original));
 379
 380   // c:\foo\bar.txt -> file:///c:/foo/bar.txt (basic)
 381 #if defined(OS_WIN)
 382   GURL fixedup(URLFixerUpper::FixupURL(base::WideToUTF8(original.value()),
 383                                        std::string()));
 384 #elif defined(OS_POSIX)
 385   GURL fixedup(URLFixerUpper::FixupURL(original.value(), std::string()));
 386 #endif
 387   EXPECT_EQ(golden, fixedup);
 388
 389   // TODO(port): Make some equivalent tests for posix.
 390 #if defined(OS_WIN)
 391   // c|/foo\bar.txt -> file:///c:/foo/bar.txt (pipe allowed instead of colon)
 392   std::string cur(base::WideToUTF8(original.value()));
 393   EXPECT_EQ(':', cur[1]);
 394   cur[1] = '|';
 395   EXPECT_EQ(golden, URLFixerUpper::FixupURL(cur, std::string()));
 396
 397   FixupCase file_cases[] = {
 398     {"c:\\This%20is a non-existent file.txt", "",
 399      "file:///C:/This%2520is%20a%20non-existent%20file.txt"},
 400
 401     // \\foo\bar.txt -> file://foo/bar.txt
 402     // UNC paths, this file won't exist, but since there are no escapes, it
 403     // should be returned just converted to a file: URL.
 404     {"\\\\SomeNonexistentHost\\foo\\bar.txt", "",
 405      "file://somenonexistenthost/foo/bar.txt"},
 406     // We do this strictly, like IE8, which only accepts this form using
 407     // backslashes and not forward ones.  Turning "//foo" into "http" matches
 408     // Firefox and IE, silly though it may seem (it falls out of adding "http"
 409     // as the default protocol if you haven't entered one).
 410     {"//SomeNonexistentHost\\foo/bar.txt", "",
 411      "http://somenonexistenthost/foo/bar.txt"},
 412     {"file:///C:/foo/bar", "", "file:///C:/foo/bar"},
 413
 414     // Much of the work here comes from GURL's canonicalization stage.
 415     {"file://C:/foo/bar", "", "file:///C:/foo/bar"},
 416     {"file:c:", "", "file:///C:/"},
 417     {"file:c:WINDOWS", "", "file:///C:/WINDOWS"},
 418     {"file:c|Program Files", "", "file:///C:/Program%20Files"},
 419     {"file:/file", "", "file://file/"},
 420     {"file:////////c:\\foo", "", "file:///C:/foo"},
 421     {"file://server/folder/file", "", "file://server/folder/file"},
 422
 423     // These are fixups we don't do, but could consider:
 424     //
 425     //   {"file:///foo:/bar", "", "file://foo/bar"},
 426     //   {"file:/\\/server\\folder/file", "", "file://server/folder/file"},
 427   };
 428 #elif defined(OS_POSIX)
 429
 430 #if defined(OS_MACOSX)
 431 #define HOME "/Users/"
 432 #else
 433 #define HOME "/home/"
 434 #endif
 435   URLFixerUpper::home_directory_override = "/foo";
 436   FixupCase file_cases[] = {
 437     // File URLs go through GURL, which tries to escape intelligently.
 438     {"/This%20is a non-existent file.txt", "",
 439      "file:///This%2520is%20a%20non-existent%20file.txt"},
 440     // A plain "/" refers to the root.
 441     {"/", "",
 442      "file:///"},
 443
 444     // These rely on the above home_directory_override.
 445     {"~", "",
 446      "file:///foo"},
 447     {"~/bar", "",
 448      "file:///foo/bar"},
 449
 450     // References to other users' homedirs.
 451     {"~foo", "",
 452      "file://" HOME "foo"},
 453     {"~x/blah", "",
 454      "file://" HOME "x/blah"},
 455   };
 456 #endif
 457   for (size_t i = 0; i < arraysize(file_cases); i++) {
 458     EXPECT_EQ(file_cases[i].output, URLFixerUpper::FixupURL(file_cases[i].input,
 459         file_cases[i].desired_tld).possibly_invalid_spec());
 460   }
 461
 462   EXPECT_TRUE(base::DeleteFile(original, false));
 463 }
 464
 465 TEST(URLFixerUpperTest, FixupRelativeFile) {
 466   base::FilePath full_path, dir;
 467   base::FilePath file_part(
 468       FILE_PATH_LITERAL("url_fixer_upper_existing_file.txt"));
 469   ASSERT_TRUE(PathService::Get(chrome::DIR_APP, &dir));
 470   ASSERT_TRUE(MakeTempFile(dir, file_part, &full_path));
 471   full_path = base::MakeAbsoluteFilePath(full_path);
 472   ASSERT_FALSE(full_path.empty());
 473
 474   // make sure we pass through good URLs
 475   for (size_t i = 0; i < arraysize(fixup_cases); ++i) {
 476     FixupCase value = fixup_cases[i];
 477     base::FilePath input = base::FilePath::FromUTF8Unsafe(value.input);
 478     EXPECT_EQ(value.output,
 479         URLFixerUpper::FixupRelativeFile(dir, input).possibly_invalid_spec());
 480   }
 481
 482   // make sure the existing file got fixed-up to a file URL, and that there
 483   // are no backslashes
 484   EXPECT_TRUE(IsMatchingFileURL(URLFixerUpper::FixupRelativeFile(dir,
 485       file_part).possibly_invalid_spec(), full_path));
 486   EXPECT_TRUE(base::DeleteFile(full_path, false));
 487
 488   // create a filename we know doesn't exist and make sure it doesn't get
 489   // fixed up to a file URL
 490   base::FilePath nonexistent_file(
 491       FILE_PATH_LITERAL("url_fixer_upper_nonexistent_file.txt"));
 492   std::string fixedup(URLFixerUpper::FixupRelativeFile(dir,
 493       nonexistent_file).possibly_invalid_spec());
 494   EXPECT_NE(std::string("file:///"), fixedup.substr(0, 8));
 495   EXPECT_FALSE(IsMatchingFileURL(fixedup, nonexistent_file));
 496
 497   // make a subdir to make sure relative paths with directories work, also
 498   // test spaces:
 499   // "app_dir\url fixer-upper dir\url fixer-upper existing file.txt"
 500   base::FilePath sub_dir(FILE_PATH_LITERAL("url fixer-upper dir"));
 501   base::FilePath sub_file(
 502       FILE_PATH_LITERAL("url fixer-upper existing file.txt"));
 503   base::FilePath new_dir = dir.Append(sub_dir);
 504   base::CreateDirectory(new_dir);
 505   ASSERT_TRUE(MakeTempFile(new_dir, sub_file, &full_path));
 506   full_path = base::MakeAbsoluteFilePath(full_path);
 507   ASSERT_FALSE(full_path.empty());
 508
 509   // test file in the subdir
 510   base::FilePath relative_file = sub_dir.Append(sub_file);
 511   EXPECT_TRUE(IsMatchingFileURL(URLFixerUpper::FixupRelativeFile(dir,
 512       relative_file).possibly_invalid_spec(), full_path));
 513
 514   // test file in the subdir with different slashes and escaping.
 515   base::FilePath::StringType relative_file_str = sub_dir.value() +
 516       FILE_PATH_LITERAL("/") + sub_file.value();
 517   ReplaceSubstringsAfterOffset(&relative_file_str, 0,
 518       FILE_PATH_LITERAL(" "), FILE_PATH_LITERAL("%20"));
 519   EXPECT_TRUE(IsMatchingFileURL(URLFixerUpper::FixupRelativeFile(dir,
 520       base::FilePath(relative_file_str)).possibly_invalid_spec(), full_path));
 521
 522   // test relative directories and duplicate slashes
 523   // (should resolve to the same file as above)
 524   relative_file_str = sub_dir.value() + FILE_PATH_LITERAL("/../") +
 525       sub_dir.value() + FILE_PATH_LITERAL("///./") + sub_file.value();
 526   EXPECT_TRUE(IsMatchingFileURL(URLFixerUpper::FixupRelativeFile(dir,
 527       base::FilePath(relative_file_str)).possibly_invalid_spec(), full_path));
 528
 529   // done with the subdir
 530   EXPECT_TRUE(base::DeleteFile(full_path, false));
 531   EXPECT_TRUE(base::DeleteFile(new_dir, true));
 532
 533   // Test that an obvious HTTP URL isn't accidentally treated as an absolute
 534   // file path (on account of system-specific craziness).
 535   base::FilePath empty_path;
 536   base::FilePath http_url_path(FILE_PATH_LITERAL("http://../"));
 537   EXPECT_TRUE(URLFixerUpper::FixupRelativeFile(
 538       empty_path, http_url_path).SchemeIs("http"));
 539 }