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1 // Copyright 2013 The Chromium Authors
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 <stddef.h>
6 
7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "url/third_party/mozilla/url_parse.h"
9 
10 // Interesting IE file:isms...
11 //
12 //  file:/foo/bar              file:///foo/bar
13 //      The result here seems totally invalid!?!? This isn't UNC.
14 //
15 //  file:/
16 //  file:// or any other number of slashes
17 //      IE6 doesn't do anything at all if you click on this link. No error:
18 //      nothing. IE6's history system seems to always color this link, so I'm
19 //      guessing that it maps internally to the empty URL.
20 //
21 //  C:\                        file:///C:/
22 //  /                          file:///C:/
23 //  /foo                       file:///C:/foo
24 //      Interestingly, IE treats "/" as an alias for "c:\", which makes sense,
25 //      but is weird to think about on Windows.
26 //
27 //  file:foo/                  file:foo/  (invalid?!?!?)
28 //  file:/foo/                 file:///foo/  (invalid?!?!?)
29 //  file://foo/                file://foo/   (UNC to server "foo")
30 //  file:///foo/               file:///foo/  (invalid)
31 //  file:////foo/              file://foo/   (UNC to server "foo")
32 //      Any more than four slashes is also treated as UNC.
33 //
34 //  file:C:/                   file://C:/
35 //  file:/C:/                  file://C:/
36 //      The number of slashes after "file:" don't matter if the thing following
37 //      it looks like an absolute drive path. Also, slashes and backslashes are
38 //      equally valid here.
39 
40 namespace url {
41 namespace {
42 
43 // Used for regular URL parse cases.
44 struct URLParseCase {
45   const char* input;
46 
47   const char* scheme;
48   const char* username;
49   const char* password;
50   const char* host;
51   int port;
52   const char* path;
53   const char* query;
54   const char* ref;
55 };
56 
57 // Simpler version of URLParseCase for testing path URLs.
58 struct PathURLParseCase {
59   const char* input;
60 
61   const char* scheme;
62   const char* path;
63 };
64 
65 // Simpler version of URLParseCase for testing mailto URLs.
66 struct MailtoURLParseCase {
67   const char* input;
68 
69   const char* scheme;
70   const char* path;
71   const char* query;
72 };
73 
74 // More complicated version of URLParseCase for testing filesystem URLs.
75 struct FileSystemURLParseCase {
76   const char* input;
77 
78   const char* inner_scheme;
79   const char* inner_username;
80   const char* inner_password;
81   const char* inner_host;
82   int inner_port;
83   const char* inner_path;
84   const char* path;
85   const char* query;
86   const char* ref;
87 };
88 
ComponentMatches(const char * input,const char * reference,const Component & component)89 bool ComponentMatches(const char* input,
90                       const char* reference,
91                       const Component& component) {
92   // Check that the -1 sentinel is the only allowed negative value.
93   EXPECT_TRUE(component.is_valid() || component.len == -1);
94 
95   // Begin should be valid.
96   EXPECT_LE(0, component.begin);
97 
98   // A NULL reference means the component should be nonexistent.
99   if (!reference)
100     return component.len == -1;
101   if (!component.is_valid())
102     return false;  // Reference is not NULL but we don't have anything
103 
104   if (strlen(reference) != static_cast<size_t>(component.len))
105     return false;  // Lengths don't match
106 
107   // Now check the actual characters.
108   return strncmp(reference, &input[component.begin], component.len) == 0;
109 }
110 
ExpectInvalidComponent(const Component & component)111 void ExpectInvalidComponent(const Component& component) {
112   EXPECT_EQ(0, component.begin);
113   EXPECT_EQ(-1, component.len);
114 }
115 
116 // Parsed ----------------------------------------------------------------------
117 
TEST(URLParser,Length)118 TEST(URLParser, Length) {
119   const char* length_cases[] = {
120       // One with everything in it.
121     "http://user:pass@host:99/foo?bar#baz",
122       // One with nothing in it.
123     "",
124       // Working backwards, let's start taking off stuff from the full one.
125     "http://user:pass@host:99/foo?bar#",
126     "http://user:pass@host:99/foo?bar",
127     "http://user:pass@host:99/foo?",
128     "http://user:pass@host:99/foo",
129     "http://user:pass@host:99/",
130     "http://user:pass@host:99",
131     "http://user:pass@host:",
132     "http://user:pass@host",
133     "http://host",
134     "http://user@",
135     "http:",
136   };
137   for (size_t i = 0; i < std::size(length_cases); i++) {
138     int true_length = static_cast<int>(strlen(length_cases[i]));
139 
140     Parsed parsed;
141     ParseStandardURL(length_cases[i], true_length, &parsed);
142 
143     EXPECT_EQ(true_length, parsed.Length());
144   }
145 }
146 
TEST(URLParser,CountCharactersBefore)147 TEST(URLParser, CountCharactersBefore) {
148   struct CountCase {
149     const char* url;
150     Parsed::ComponentType component;
151     bool include_delimiter;
152     int expected_count;
153   } count_cases[] = {
154   // Test each possibility in the case where all components are present.
155   //    0         1         2
156   //    0123456789012345678901
157     {"http://u:p@h:8/p?q#r", Parsed::SCHEME, true, 0},
158     {"http://u:p@h:8/p?q#r", Parsed::SCHEME, false, 0},
159     {"http://u:p@h:8/p?q#r", Parsed::USERNAME, true, 7},
160     {"http://u:p@h:8/p?q#r", Parsed::USERNAME, false, 7},
161     {"http://u:p@h:8/p?q#r", Parsed::PASSWORD, true, 9},
162     {"http://u:p@h:8/p?q#r", Parsed::PASSWORD, false, 9},
163     {"http://u:p@h:8/p?q#r", Parsed::HOST, true, 11},
164     {"http://u:p@h:8/p?q#r", Parsed::HOST, false, 11},
165     {"http://u:p@h:8/p?q#r", Parsed::PORT, true, 12},
166     {"http://u:p@h:8/p?q#r", Parsed::PORT, false, 13},
167     {"http://u:p@h:8/p?q#r", Parsed::PATH, false, 14},
168     {"http://u:p@h:8/p?q#r", Parsed::PATH, true, 14},
169     {"http://u:p@h:8/p?q#r", Parsed::QUERY, true, 16},
170     {"http://u:p@h:8/p?q#r", Parsed::QUERY, false, 17},
171     {"http://u:p@h:8/p?q#r", Parsed::REF, true, 18},
172     {"http://u:p@h:8/p?q#r", Parsed::REF, false, 19},
173       // Now test when the requested component is missing.
174     {"http://u:p@h:8/p?", Parsed::REF, true, 17},
175     {"http://u:p@h:8/p?q", Parsed::REF, true, 18},
176     {"http://u:p@h:8/p#r", Parsed::QUERY, true, 16},
177     {"http://u:p@h:8#r", Parsed::PATH, true, 14},
178     {"http://u:p@h/", Parsed::PORT, true, 12},
179     {"http://u:p@/", Parsed::HOST, true, 11},
180       // This case is a little weird. It will report that the password would
181       // start where the host begins. This is arguably correct, although you
182       // could also argue that it should start at the '@' sign. Doing it
183       // starting with the '@' sign is actually harder, so we don't bother.
184     {"http://u@h/", Parsed::PASSWORD, true, 9},
185     {"http://h/", Parsed::USERNAME, true, 7},
186     {"http:", Parsed::USERNAME, true, 5},
187     {"", Parsed::SCHEME, true, 0},
188       // Make sure a random component still works when there's nothing there.
189     {"", Parsed::REF, true, 0},
190       // File URLs are special with no host, so we test those.
191     {"file:///c:/foo", Parsed::USERNAME, true, 7},
192     {"file:///c:/foo", Parsed::PASSWORD, true, 7},
193     {"file:///c:/foo", Parsed::HOST, true, 7},
194     {"file:///c:/foo", Parsed::PATH, true, 7},
195   };
196   for (size_t i = 0; i < std::size(count_cases); i++) {
197     int length = static_cast<int>(strlen(count_cases[i].url));
198 
199     // Simple test to distinguish file and standard URLs.
200     Parsed parsed;
201     if (length > 0 && count_cases[i].url[0] == 'f')
202       ParseFileURL(count_cases[i].url, length, &parsed);
203     else
204       ParseStandardURL(count_cases[i].url, length, &parsed);
205 
206     int chars_before = parsed.CountCharactersBefore(
207         count_cases[i].component, count_cases[i].include_delimiter);
208     EXPECT_EQ(count_cases[i].expected_count, chars_before);
209   }
210 }
211 
212 // Standard --------------------------------------------------------------------
213 
214 // Input                               Scheme  Usrname Passwd     Host         Port Path       Query        Ref
215 // ------------------------------------ ------- ------- ---------- ------------ --- ---------- ------------ -----
216 static URLParseCase cases[] = {
217   // Regular URL with all the parts
218 {"http://user:pass@foo:21/bar;par?b#c", "http", "user", "pass",    "foo",       21, "/bar;par","b",          "c"},
219 
220   // Known schemes should lean towards authority identification
221 {"http:foo.com",                        "http", NULL,  NULL,      "foo.com",    -1, NULL,      NULL,        NULL},
222 
223   // Spaces!
224 {"\t   :foo.com   \n",                  "",     NULL,  NULL,      "foo.com",    -1, NULL,      NULL,        NULL},
225 {" foo.com  ",                          NULL,   NULL,  NULL,      "foo.com",    -1, NULL,      NULL,        NULL},
226 {"a:\t foo.com",                        "a",    NULL,  NULL,      "\t foo.com", -1, NULL,      NULL,        NULL},
227 {"http://f:21/ b ? d # e ",             "http", NULL,  NULL,      "f",          21, "/ b ",    " d ",       " e"},
228 
229   // Invalid port numbers should be identified and turned into -2, empty port
230   // numbers should be -1. Spaces aren't allowed in port numbers
231 {"http://f:/c",                         "http", NULL,  NULL,      "f",          -1, "/c",      NULL,        NULL},
232 {"http://f:0/c",                        "http", NULL,  NULL,      "f",           0, "/c",      NULL,        NULL},
233 {"http://f:00000000000000/c",           "http", NULL,  NULL,      "f",           0, "/c",      NULL,        NULL},
234 {"http://f:00000000000000000000080/c",  "http", NULL,  NULL,      "f",          80, "/c",      NULL,        NULL},
235 {"http://f:b/c",                        "http", NULL,  NULL,      "f",          -2, "/c",      NULL,        NULL},
236 {"http://f: /c",                        "http", NULL,  NULL,      "f",          -2, "/c",      NULL,        NULL},
237 {"http://f:\n/c",                       "http", NULL,  NULL,      "f",          -2, "/c",      NULL,        NULL},
238 {"http://f:fifty-two/c",                "http", NULL,  NULL,      "f",          -2, "/c",      NULL,        NULL},
239 {"http://f:999999/c",                   "http", NULL,  NULL,      "f",          -2, "/c",      NULL,        NULL},
240 {"http://f: 21 / b ? d # e ",           "http", NULL,  NULL,      "f",          -2, "/ b ",    " d ",       " e"},
241 
242   // Creative URLs missing key elements
243 {"",                                    NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
244 {"  \t",                                NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
245 {":foo.com/",                           "",     NULL,  NULL,      "foo.com",    -1, "/",       NULL,        NULL},
246 {":foo.com\\",                          "",     NULL,  NULL,      "foo.com",    -1, "\\",      NULL,        NULL},
247 {":",                                   "",     NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
248 {":a",                                  "",     NULL,  NULL,      "a",          -1, NULL,      NULL,        NULL},
249 {":/",                                  "",     NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
250 {":\\",                                 "",     NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
251 {":#",                                  "",     NULL,  NULL,      NULL,         -1, NULL,      NULL,        ""},
252 {"#",                                   NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        ""},
253 {"#/",                                  NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        "/"},
254 {"#\\",                                 NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        "\\"},
255 {"#;?",                                 NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        ";?"},
256 {"?",                                   NULL,   NULL,  NULL,      NULL,         -1, NULL,      "",          NULL},
257 {"/",                                   NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
258 {":23",                                 "",     NULL,  NULL,      "23",         -1, NULL,      NULL,        NULL},
259 {"/:23",                                "/",    NULL,  NULL,      "23",         -1, NULL,      NULL,        NULL},
260 {"//",                                  NULL,   NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
261 {"::",                                  "",     NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
262 {"::23",                                "",     NULL,  NULL,      NULL,         23, NULL,      NULL,        NULL},
263 {"foo://",                              "foo",  NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
264 
265   // Username/passwords and things that look like them
266 {"http://a:b@c:29/d",                   "http", "a",   "b",       "c",          29, "/d",      NULL,        NULL},
267 {"http::@c:29",                         "http", "",    "",        "c",          29, NULL,      NULL,        NULL},
268   // ... "]" in the password field isn't allowed, but we tolerate it here...
269 {"http://&a:foo(b]c@d:2/",              "http", "&a",  "foo(b]c", "d",           2, "/",       NULL,        NULL},
270 {"http://::@c@d:2",                     "http", "",    ":@c",     "d",           2, NULL,      NULL,        NULL},
271 {"http://foo.com:b@d/",                 "http", "foo.com", "b",   "d",          -1, "/",       NULL,        NULL},
272 
273 {"http://foo.com/\\@",                  "http", NULL,  NULL,      "foo.com",    -1, "/\\@",    NULL,        NULL},
274 {"http:\\\\foo.com\\",                  "http", NULL,  NULL,      "foo.com",    -1, "\\",      NULL,        NULL},
275 {"http:\\\\a\\b:c\\d@foo.com\\",        "http", NULL,  NULL,      "a",          -1, "\\b:c\\d@foo.com\\", NULL,   NULL},
276 
277   // Tolerate different numbers of slashes.
278 {"foo:/",                               "foo",  NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
279 {"foo:/bar.com/",                       "foo",  NULL,  NULL,      "bar.com",    -1, "/",       NULL,        NULL},
280 {"foo://///////",                       "foo",  NULL,  NULL,      NULL,         -1, NULL,      NULL,        NULL},
281 {"foo://///////bar.com/",               "foo",  NULL,  NULL,      "bar.com",    -1, "/",       NULL,        NULL},
282 {"foo:////://///",                      "foo",  NULL,  NULL,      NULL,         -1, "/////",   NULL,        NULL},
283 
284   // Raw file paths on Windows aren't handled by the parser.
285 {"c:/foo",                              "c",    NULL,  NULL,      "foo",        -1, NULL,      NULL,        NULL},
286 {"//foo/bar",                           NULL,   NULL,  NULL,      "foo",        -1, "/bar",    NULL,        NULL},
287 
288   // Use the first question mark for the query and the ref.
289 {"http://foo/path;a??e#f#g",            "http", NULL,  NULL,      "foo",        -1, "/path;a", "?e",      "f#g"},
290 {"http://foo/abcd?efgh?ijkl",           "http", NULL,  NULL,      "foo",        -1, "/abcd",   "efgh?ijkl", NULL},
291 {"http://foo/abcd#foo?bar",             "http", NULL,  NULL,      "foo",        -1, "/abcd",   NULL,        "foo?bar"},
292 
293   // IPv6, check also interesting uses of colons.
294 {"[61:24:74]:98",                       "[61",  NULL,  NULL,      "24:74]",     98, NULL,      NULL,        NULL},
295 {"http://[61:27]:98",                   "http", NULL,  NULL,      "[61:27]",    98, NULL,      NULL,        NULL},
296 {"http:[61:27]/:foo",                   "http", NULL,  NULL,      "[61:27]",    -1, "/:foo",   NULL,        NULL},
297 {"http://[1::2]:3:4",                   "http", NULL,  NULL,      "[1::2]:3",    4, NULL,      NULL,        NULL},
298 
299   // Partially-complete IPv6 literals, and related cases.
300 {"http://2001::1",                      "http", NULL,  NULL,      "2001:",       1, NULL,      NULL,        NULL},
301 {"http://[2001::1",                     "http", NULL,  NULL,      "[2001::1",   -1, NULL,      NULL,        NULL},
302 {"http://2001::1]",                     "http", NULL,  NULL,      "2001::1]",   -1, NULL,      NULL,        NULL},
303 {"http://2001::1]:80",                  "http", NULL,  NULL,      "2001::1]",   80, NULL,      NULL,        NULL},
304 {"http://[2001::1]",                    "http", NULL,  NULL,      "[2001::1]",  -1, NULL,      NULL,        NULL},
305 {"http://[2001::1]:80",                 "http", NULL,  NULL,      "[2001::1]",  80, NULL,      NULL,        NULL},
306 {"http://[[::]]",                       "http", NULL,  NULL,      "[[::]]",     -1, NULL,      NULL,        NULL},
307 
308 };
309 
TEST(URLParser,Standard)310 TEST(URLParser, Standard) {
311   // Declared outside for loop to try to catch cases in init() where we forget
312   // to reset something that is reset by the constructor.
313   Parsed parsed;
314   for (size_t i = 0; i < std::size(cases); i++) {
315     const char* url = cases[i].input;
316     ParseStandardURL(url, static_cast<int>(strlen(url)), &parsed);
317     int port = ParsePort(url, parsed.port);
318 
319     EXPECT_TRUE(ComponentMatches(url, cases[i].scheme, parsed.scheme));
320     EXPECT_TRUE(ComponentMatches(url, cases[i].username, parsed.username));
321     EXPECT_TRUE(ComponentMatches(url, cases[i].password, parsed.password));
322     EXPECT_TRUE(ComponentMatches(url, cases[i].host, parsed.host));
323     EXPECT_EQ(cases[i].port, port);
324     EXPECT_TRUE(ComponentMatches(url, cases[i].path, parsed.path));
325     EXPECT_TRUE(ComponentMatches(url, cases[i].query, parsed.query));
326     EXPECT_TRUE(ComponentMatches(url, cases[i].ref, parsed.ref));
327   }
328 }
329 
330 // PathURL --------------------------------------------------------------------
331 
332 // Various incarnations of path URLs.
333 static PathURLParseCase path_cases[] = {
334 {"",                                        NULL,          NULL},
335 {":",                                       "",            NULL},
336 {":/",                                      "",            "/"},
337 {"/",                                       NULL,          "/"},
338 {" This is \\interesting// \t",             NULL,          "This is \\interesting// \t"},
339 {"about:",                                  "about",       NULL},
340 {"about:blank",                             "about",       "blank"},
341 {"  about: blank ",                         "about",       " blank "},
342 {"javascript :alert(\"He:/l\\l#o?foo\"); ", "javascript ", "alert(\"He:/l\\l#o?foo\"); "},
343 };
344 
TEST(URLParser,PathURL)345 TEST(URLParser, PathURL) {
346   // Declared outside for loop to try to catch cases in init() where we forget
347   // to reset something that is reset by the constructor.
348   Parsed parsed;
349   for (size_t i = 0; i < std::size(path_cases); i++) {
350     const char* url = path_cases[i].input;
351     ParsePathURL(url, static_cast<int>(strlen(url)), false, &parsed);
352 
353     EXPECT_TRUE(ComponentMatches(url, path_cases[i].scheme, parsed.scheme))
354         << i;
355     EXPECT_TRUE(ComponentMatches(url, path_cases[i].path, parsed.GetContent()))
356         << i;
357 
358     // The remaining components are never used for path URLs.
359     ExpectInvalidComponent(parsed.username);
360     ExpectInvalidComponent(parsed.password);
361     ExpectInvalidComponent(parsed.host);
362     ExpectInvalidComponent(parsed.port);
363   }
364 }
365 
366 // Various incarnations of file URLs.
367 static URLParseCase file_cases[] = {
368 #ifdef WIN32
369 {"file:server",              "file", NULL, NULL, "server", -1, NULL,          NULL, NULL},
370 {"  file: server  \t",       "file", NULL, NULL, " server",-1, NULL,          NULL, NULL},
371 {"FiLe:c|",                  "FiLe", NULL, NULL, NULL,     -1, "c|",          NULL, NULL},
372 {"FILE:/\\\\/server/file",   "FILE", NULL, NULL, "server", -1, "/file",       NULL, NULL},
373 {"file://server/",           "file", NULL, NULL, "server", -1, "/",           NULL, NULL},
374 {"file://localhost/c:/",     "file", NULL, NULL, "localhost", -1, "/c:/",     NULL, NULL},
375 {"file://127.0.0.1/c|\\",    "file", NULL, NULL, "127.0.0.1", -1, "/c|\\",    NULL, NULL},
376 {"file:/",                   "file", NULL, NULL, NULL,     -1, NULL,          NULL, NULL},
377 {"file:",                    "file", NULL, NULL, NULL,     -1, NULL,          NULL, NULL},
378   // If there is a Windows drive letter, treat any number of slashes as the
379   // path part.
380 {"file:c:\\fo\\b",           "file", NULL, NULL, NULL,     -1, "c:\\fo\\b",   NULL, NULL},
381 {"file:/c:\\foo/bar",        "file", NULL, NULL, NULL,     -1, "/c:\\foo/bar",NULL, NULL},
382 {"file://c:/f\\b",           "file", NULL, NULL, NULL,     -1, "/c:/f\\b",    NULL, NULL},
383 {"file:///C:/foo",           "file", NULL, NULL, NULL,     -1, "/C:/foo",     NULL, NULL},
384 {"file://///\\/\\/c:\\f\\b", "file", NULL, NULL, NULL,     -1, "/c:\\f\\b",   NULL, NULL},
385   // If there is not a drive letter, we should treat is as UNC EXCEPT for
386   // three slashes, which we treat as a Unix style path.
387 {"file:server/file",         "file", NULL, NULL, "server", -1, "/file",       NULL, NULL},
388 {"file:/server/file",        "file", NULL, NULL, "server", -1, "/file",       NULL, NULL},
389 {"file://server/file",       "file", NULL, NULL, "server", -1, "/file",       NULL, NULL},
390 {"file:///server/file",      "file", NULL, NULL, NULL,     -1, "/server/file",NULL, NULL},
391 {"file://\\server/file",     "file", NULL, NULL, NULL,     -1, "\\server/file",NULL, NULL},
392 {"file:////server/file",     "file", NULL, NULL, "server", -1, "/file",       NULL, NULL},
393   // Queries and refs are valid for file URLs as well.
394 {"file:///C:/foo.html?#",   "file", NULL, NULL,  NULL,     -1, "/C:/foo.html",  "",   ""},
395 {"file:///C:/foo.html?query=yes#ref", "file", NULL, NULL, NULL, -1, "/C:/foo.html", "query=yes", "ref"},
396 #else  // WIN32
397   // No slashes.
398   {"file:",                    "file", NULL, NULL, NULL,      -1, NULL,             NULL, NULL},
399   {"file:path",                "file", NULL, NULL, NULL,      -1, "path",           NULL, NULL},
400   {"file:path/",               "file", NULL, NULL, NULL,      -1, "path/",          NULL, NULL},
401   {"file:path/f.txt",          "file", NULL, NULL, NULL,      -1, "path/f.txt",     NULL, NULL},
402   // One slash.
403   {"file:/",                   "file", NULL, NULL, NULL,      -1, "/",              NULL, NULL},
404   {"file:/path",               "file", NULL, NULL, NULL,      -1, "/path",          NULL, NULL},
405   {"file:/path/",              "file", NULL, NULL, NULL,      -1, "/path/",         NULL, NULL},
406   {"file:/path/f.txt",         "file", NULL, NULL, NULL,      -1, "/path/f.txt",    NULL, NULL},
407   // Two slashes.
408   {"file://",                  "file", NULL, NULL, NULL,      -1, NULL,             NULL, NULL},
409   {"file://server",            "file", NULL, NULL, "server",  -1, NULL,             NULL, NULL},
410   {"file://server/",           "file", NULL, NULL, "server",  -1, "/",              NULL, NULL},
411   {"file://server/f.txt",      "file", NULL, NULL, "server",  -1, "/f.txt",         NULL, NULL},
412   // Three slashes.
413   {"file:///",                 "file", NULL, NULL, NULL,      -1, "/",              NULL, NULL},
414   {"file:///path",             "file", NULL, NULL, NULL,      -1, "/path",          NULL, NULL},
415   {"file:///path/",            "file", NULL, NULL, NULL,      -1, "/path/",         NULL, NULL},
416   {"file:///path/f.txt",       "file", NULL, NULL, NULL,      -1, "/path/f.txt",    NULL, NULL},
417   // More than three slashes.
418   {"file:////",                "file", NULL, NULL, NULL,      -1, "/",              NULL, NULL},
419   {"file:////path",            "file", NULL, NULL, NULL,      -1, "/path",          NULL, NULL},
420   {"file:////path/",           "file", NULL, NULL, NULL,      -1, "/path/",         NULL, NULL},
421   {"file:////path/f.txt",      "file", NULL, NULL, NULL,      -1, "/path/f.txt",    NULL, NULL},
422   // Schemeless URLs
423   {"path/f.txt",               NULL,   NULL, NULL, NULL,       -1, "path/f.txt",    NULL, NULL},
424   {"path:80/f.txt",            "path", NULL, NULL, NULL,       -1, "80/f.txt",      NULL, NULL},
425   {"path/f.txt:80",            "path/f.txt",NULL, NULL, NULL,  -1, "80",            NULL, NULL}, // Wrong.
426   {"/path/f.txt",              NULL,   NULL, NULL, NULL,       -1, "/path/f.txt",   NULL, NULL},
427   {"/path:80/f.txt",           NULL,   NULL, NULL, NULL,       -1, "/path:80/f.txt",NULL, NULL},
428   {"/path/f.txt:80",           NULL,   NULL, NULL, NULL,       -1, "/path/f.txt:80",NULL, NULL},
429   {"//server/f.txt",           NULL,   NULL, NULL, "server",   -1, "/f.txt",        NULL, NULL},
430   {"//server:80/f.txt",        NULL,   NULL, NULL, "server:80",-1, "/f.txt",        NULL, NULL},
431   {"//server/f.txt:80",        NULL,   NULL, NULL, "server",   -1, "/f.txt:80",     NULL, NULL},
432   {"///path/f.txt",            NULL,   NULL, NULL, NULL,       -1, "/path/f.txt",   NULL, NULL},
433   {"///path:80/f.txt",         NULL,   NULL, NULL, NULL,       -1, "/path:80/f.txt",NULL, NULL},
434   {"///path/f.txt:80",         NULL,   NULL, NULL, NULL,       -1, "/path/f.txt:80",NULL, NULL},
435   {"////path/f.txt",           NULL,   NULL, NULL, NULL,       -1, "/path/f.txt",   NULL, NULL},
436   {"////path:80/f.txt",        NULL,   NULL, NULL, NULL,       -1, "/path:80/f.txt",NULL, NULL},
437   {"////path/f.txt:80",        NULL,   NULL, NULL, NULL,       -1, "/path/f.txt:80",NULL, NULL},
438   // Queries and refs are valid for file URLs as well.
439   {"file:///foo.html?#",       "file", NULL, NULL, NULL,       -1, "/foo.html",     "",   ""},
440   {"file:///foo.html?q=y#ref", "file", NULL, NULL, NULL,       -1, "/foo.html",    "q=y", "ref"},
441 #endif  // WIN32
442 };
443 
TEST(URLParser,ParseFileURL)444 TEST(URLParser, ParseFileURL) {
445   // Declared outside for loop to try to catch cases in init() where we forget
446   // to reset something that is reset by the construtor.
447   Parsed parsed;
448   for (size_t i = 0; i < std::size(file_cases); i++) {
449     const char* url = file_cases[i].input;
450     ParseFileURL(url, static_cast<int>(strlen(url)), &parsed);
451     int port = ParsePort(url, parsed.port);
452 
453     EXPECT_TRUE(ComponentMatches(url, file_cases[i].scheme, parsed.scheme))
454         << " for case #" << i << " [" << url << "] "
455         << parsed.scheme.begin << ", " << parsed.scheme.len;
456 
457     EXPECT_TRUE(ComponentMatches(url, file_cases[i].username, parsed.username))
458         << " for case #" << i << " [" << url << "] "
459         << parsed.username.begin << ", " << parsed.username.len;
460 
461     EXPECT_TRUE(ComponentMatches(url, file_cases[i].password, parsed.password))
462         << " for case #" << i << " [" << url << "] "
463         << parsed.password.begin << ", " << parsed.password.len;
464 
465     EXPECT_TRUE(ComponentMatches(url, file_cases[i].host, parsed.host))
466         << " for case #" << i << " [" << url << "] "
467         << parsed.host.begin << ", " << parsed.host.len;
468 
469     EXPECT_EQ(file_cases[i].port, port)
470         << " for case #" << i << " [ " << url << "] " << port;
471 
472     EXPECT_TRUE(ComponentMatches(url, file_cases[i].path, parsed.path))
473         << " for case #" << i << " [" << url << "] "
474         << parsed.path.begin << ", " << parsed.path.len;
475 
476     EXPECT_TRUE(ComponentMatches(url, file_cases[i].query, parsed.query))
477         << " for case #" << i << " [" << url << "] "
478         << parsed.query.begin << ", " << parsed.query.len;
479 
480     EXPECT_TRUE(ComponentMatches(url, file_cases[i].ref, parsed.ref))
481         << " for case #" << i << " [ "<< url << "] "
482         << parsed.query.begin << ", " << parsed.scheme.len;
483   }
484 }
485 
486 
TEST(URLParser,ExtractFileName)487 TEST(URLParser, ExtractFileName) {
488   struct FileCase {
489     const char* input;
490     const char* expected;
491   } extract_cases[] = {
492       {"http://www.google.com", nullptr},
493       {"http://www.google.com/", ""},
494       {"http://www.google.com/search", "search"},
495       {"http://www.google.com/search/", ""},
496       {"http://www.google.com/foo/bar.html?baz=22", "bar.html"},
497       {"http://www.google.com/foo/bar.html#ref", "bar.html"},
498       {"http://www.google.com/search/;param", ""},
499       {"http://www.google.com/foo/bar.html;param#ref", "bar.html"},
500       {"http://www.google.com/foo/bar.html;foo;param#ref", "bar.html"},
501       {"http://www.google.com/foo/bar.html?query#ref", "bar.html"},
502       {"http://www.google.com/foo;/bar.html", "bar.html"},
503       {"http://www.google.com/foo;/", ""},
504       {"http://www.google.com/foo;", "foo"},
505       {"http://www.google.com/;", ""},
506       {"http://www.google.com/foo;bar;html", "foo"},
507   };
508 
509   for (size_t i = 0; i < std::size(extract_cases); i++) {
510     const char* url = extract_cases[i].input;
511     int len = static_cast<int>(strlen(url));
512 
513     Parsed parsed;
514     ParseStandardURL(url, len, &parsed);
515 
516     Component file_name;
517     ExtractFileName(url, parsed.path, &file_name);
518 
519     EXPECT_TRUE(ComponentMatches(url, extract_cases[i].expected, file_name));
520   }
521 }
522 
523 // Returns true if the parameter with index |parameter| in the given URL's
524 // query string. The expected key can be NULL to indicate no such key index
525 // should exist. The parameter number is 1-based.
NthParameterIs(const char * url,int parameter,const char * expected_key,const char * expected_value)526 static bool NthParameterIs(const char* url,
527                            int parameter,
528                            const char* expected_key,
529                            const char* expected_value) {
530   Parsed parsed;
531   ParseStandardURL(url, static_cast<int>(strlen(url)), &parsed);
532 
533   Component query = parsed.query;
534 
535   for (int i = 1; i <= parameter; i++) {
536     Component key, value;
537     if (!ExtractQueryKeyValue(url, &query, &key, &value)) {
538       if (parameter >= i && !expected_key)
539         return true;  // Expected nonexistent key, got one.
540       return false;  // Not enough keys.
541     }
542 
543     if (i == parameter) {
544       if (!expected_key)
545         return false;
546 
547       if (strncmp(&url[key.begin], expected_key, key.len) != 0)
548         return false;
549       if (strncmp(&url[value.begin], expected_value, value.len) != 0)
550         return false;
551       return true;
552     }
553   }
554   return expected_key == NULL;  // We didn't find that many parameters.
555 }
556 
TEST(URLParser,ExtractQueryKeyValue)557 TEST(URLParser, ExtractQueryKeyValue) {
558   EXPECT_TRUE(NthParameterIs("http://www.google.com", 1, NULL, NULL));
559 
560   // Basic case.
561   char a[] = "http://www.google.com?arg1=1&arg2=2&bar";
562   EXPECT_TRUE(NthParameterIs(a, 1, "arg1", "1"));
563   EXPECT_TRUE(NthParameterIs(a, 2, "arg2", "2"));
564   EXPECT_TRUE(NthParameterIs(a, 3, "bar", ""));
565   EXPECT_TRUE(NthParameterIs(a, 4, NULL, NULL));
566 
567   // Empty param at the end.
568   char b[] = "http://www.google.com?foo=bar&";
569   EXPECT_TRUE(NthParameterIs(b, 1, "foo", "bar"));
570   EXPECT_TRUE(NthParameterIs(b, 2, NULL, NULL));
571 
572   // Empty param at the beginning.
573   char c[] = "http://www.google.com?&foo=bar";
574   EXPECT_TRUE(NthParameterIs(c, 1, "", ""));
575   EXPECT_TRUE(NthParameterIs(c, 2, "foo", "bar"));
576   EXPECT_TRUE(NthParameterIs(c, 3, NULL, NULL));
577 
578   // Empty key with value.
579   char d[] = "http://www.google.com?=foo";
580   EXPECT_TRUE(NthParameterIs(d, 1, "", "foo"));
581   EXPECT_TRUE(NthParameterIs(d, 2, NULL, NULL));
582 
583   // Empty value with key.
584   char e[] = "http://www.google.com?foo=";
585   EXPECT_TRUE(NthParameterIs(e, 1, "foo", ""));
586   EXPECT_TRUE(NthParameterIs(e, 2, NULL, NULL));
587 
588   // Empty key and values.
589   char f[] = "http://www.google.com?&&==&=";
590   EXPECT_TRUE(NthParameterIs(f, 1, "", ""));
591   EXPECT_TRUE(NthParameterIs(f, 2, "", ""));
592   EXPECT_TRUE(NthParameterIs(f, 3, "", "="));
593   EXPECT_TRUE(NthParameterIs(f, 4, "", ""));
594   EXPECT_TRUE(NthParameterIs(f, 5, NULL, NULL));
595 }
596 
597 // MailtoURL --------------------------------------------------------------------
598 
599 static MailtoURLParseCase mailto_cases[] = {
600 //|input                       |scheme   |path               |query
601 {"mailto:foo@gmail.com",        "mailto", "foo@gmail.com",    NULL},
602 {"  mailto: to  \t",            "mailto", " to",              NULL},
603 {"mailto:addr1%2C%20addr2 ",    "mailto", "addr1%2C%20addr2", NULL},
604 {"Mailto:addr1, addr2 ",        "Mailto", "addr1, addr2",     NULL},
605 {"mailto:addr1:addr2 ",         "mailto", "addr1:addr2",      NULL},
606 {"mailto:?to=addr1,addr2",      "mailto", NULL,               "to=addr1,addr2"},
607 {"mailto:?to=addr1%2C%20addr2", "mailto", NULL,               "to=addr1%2C%20addr2"},
608 {"mailto:addr1?to=addr2",       "mailto", "addr1",            "to=addr2"},
609 {"mailto:?body=#foobar#",       "mailto", NULL,               "body=#foobar#",},
610 {"mailto:#?body=#foobar#",      "mailto", "#",                "body=#foobar#"},
611 };
612 
TEST(URLParser,MailtoUrl)613 TEST(URLParser, MailtoUrl) {
614   // Declared outside for loop to try to catch cases in init() where we forget
615   // to reset something that is reset by the constructor.
616   Parsed parsed;
617   for (size_t i = 0; i < std::size(mailto_cases); ++i) {
618     const char* url = mailto_cases[i].input;
619     ParseMailtoURL(url, static_cast<int>(strlen(url)), &parsed);
620     int port = ParsePort(url, parsed.port);
621 
622     EXPECT_TRUE(ComponentMatches(url, mailto_cases[i].scheme, parsed.scheme));
623     EXPECT_TRUE(ComponentMatches(url, mailto_cases[i].path, parsed.path));
624     EXPECT_TRUE(ComponentMatches(url, mailto_cases[i].query, parsed.query));
625     EXPECT_EQ(PORT_UNSPECIFIED, port);
626 
627     // The remaining components are never used for mailto URLs.
628     ExpectInvalidComponent(parsed.username);
629     ExpectInvalidComponent(parsed.password);
630     ExpectInvalidComponent(parsed.port);
631     ExpectInvalidComponent(parsed.ref);
632   }
633 }
634 
635 // Various incarnations of filesystem URLs.
636 static FileSystemURLParseCase filesystem_cases[] = {
637   // Regular URL with all the parts
638 {"filesystem:http://user:pass@foo:21/temporary/bar;par?b#c", "http",  "user", "pass", "foo", 21, "/temporary",  "/bar;par",  "b",  "c"},
639 {"filesystem:https://foo/persistent/bar;par/",               "https", NULL,   NULL,   "foo", -1, "/persistent", "/bar;par/", NULL, NULL},
640 {"filesystem:file:///persistent/bar;par/",                   "file", NULL,    NULL,   NULL,  -1, "/persistent", "/bar;par/", NULL, NULL},
641 {"filesystem:file:///persistent/bar;par/?query#ref",                   "file", NULL,    NULL,   NULL,  -1, "/persistent", "/bar;par/", "query", "ref"},
642 {"filesystem:file:///persistent",                            "file", NULL,    NULL,   NULL,  -1, "/persistent", "",        NULL, NULL},
643 };
644 
TEST(URLParser,FileSystemURL)645 TEST(URLParser, FileSystemURL) {
646   // Declared outside for loop to try to catch cases in init() where we forget
647   // to reset something that is reset by the constructor.
648   Parsed parsed;
649   for (size_t i = 0; i < std::size(filesystem_cases); i++) {
650     const FileSystemURLParseCase* parsecase = &filesystem_cases[i];
651     const char* url = parsecase->input;
652     ParseFileSystemURL(url, static_cast<int>(strlen(url)), &parsed);
653 
654     EXPECT_TRUE(ComponentMatches(url, "filesystem", parsed.scheme));
655     EXPECT_EQ(!parsecase->inner_scheme, !parsed.inner_parsed());
656     // Only check the inner_parsed if there is one.
657     if (parsed.inner_parsed()) {
658       EXPECT_TRUE(ComponentMatches(url, parsecase->inner_scheme,
659           parsed.inner_parsed()->scheme));
660       EXPECT_TRUE(ComponentMatches(url, parsecase->inner_username,
661           parsed.inner_parsed()->username));
662       EXPECT_TRUE(ComponentMatches(url, parsecase->inner_password,
663           parsed.inner_parsed()->password));
664       EXPECT_TRUE(ComponentMatches(url, parsecase->inner_host,
665           parsed.inner_parsed()->host));
666       int port = ParsePort(url, parsed.inner_parsed()->port);
667       EXPECT_EQ(parsecase->inner_port, port);
668 
669       // The remaining components are never used for filesystem URLs.
670       ExpectInvalidComponent(parsed.inner_parsed()->query);
671       ExpectInvalidComponent(parsed.inner_parsed()->ref);
672     }
673 
674     EXPECT_TRUE(ComponentMatches(url, parsecase->path, parsed.path));
675     EXPECT_TRUE(ComponentMatches(url, parsecase->query, parsed.query));
676     EXPECT_TRUE(ComponentMatches(url, parsecase->ref, parsed.ref));
677 
678     // The remaining components are never used for filesystem URLs.
679     ExpectInvalidComponent(parsed.username);
680     ExpectInvalidComponent(parsed.password);
681     ExpectInvalidComponent(parsed.host);
682     ExpectInvalidComponent(parsed.port);
683   }
684 }
685 
686 }  // namespace
687 }  // namespace url
688