-
Notifications
You must be signed in to change notification settings - Fork 6.6k
/
extension_manifests_web_accessible_resources_unittest.cc
487 lines (464 loc) · 18.6 KB
/
extension_manifests_web_accessible_resources_unittest.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
#include "base/strings/stringprintf.h"
#include "base/test/values_test_util.h"
#include "chrome/common/extensions/manifest_tests/chrome_manifest_test.h"
#include "content/public/test/browser_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
using extensions::Extension;
using extensions::WebAccessibleResourcesInfo;
class WebAccessibleResourcesManifestTest : public ChromeManifestTest {
protected:
ManifestData GetManifestData(const std::string& web_accessible_resources,
int manifest_version = 3) {
constexpr char kManifestStub[] =
R"({
"name": "Test",
"version": "0.1",
"manifest_version": %d,
"web_accessible_resources": %s
})";
base::Value manifest_value = base::test::ParseJson(base::StringPrintf(
kManifestStub, manifest_version, web_accessible_resources.c_str()));
EXPECT_TRUE(manifest_value.is_dict());
return ManifestData(std::move(manifest_value).TakeDict());
}
};
TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResources) {
auto example_origin = url::Origin::Create(GURL("https://example.com/test"));
// No web_accessible_resources.
scoped_refptr<Extension> none(
LoadAndExpectSuccess("web_accessible_resources/v2/none.json"));
EXPECT_FALSE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(none.get()));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
none.get(), "test", example_origin));
// web_accessible_resources: ["test"].
scoped_refptr<Extension> single(
LoadAndExpectSuccess("web_accessible_resources/v2/single.json"));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(single.get()));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
single.get(), "test", example_origin));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
single.get(), "other", example_origin));
// web_accessible_resources: ["*"].
scoped_refptr<Extension> wildcard(
LoadAndExpectSuccess("web_accessible_resources/v2/wildcard.json"));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(wildcard.get()));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
wildcard.get(), "anything", example_origin));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
wildcard.get(), "path/anything", example_origin));
// web_accessible_resources: ["path/*.ext"].
scoped_refptr<Extension> pattern(
LoadAndExpectSuccess("web_accessible_resources/v2/pattern.json"));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(pattern.get()));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
pattern.get(), "path/anything.ext", example_origin));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
pattern.get(), "anything.ext", example_origin));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
pattern.get(), "path/anything.badext", example_origin));
}
// Tests valid configurations of the web_accessible_resources key in manifest
// v3 extensions.
TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResourcesV3Valid) {
struct {
const char* title;
const char* web_accessible_resources;
} test_cases[] = {
{"Succeed when all keys are defined.",
R"([
{
"resources": ["test"],
"matches": ["https://allowed.example/*"],
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop"],
"use_dynamic_url": true
}
])"},
{"Succeed if only specifying |extension_ids| and |resources|.",
R"([
{
"resources": ["allowed"],
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop"]
}
])"},
{"Succeed if only specifying |matches| and |resources|.",
R"([
{
"resources": ["test"],
"matches": ["https://allowed.example/*"]
}
])"},
{"Succeed if there are multiple objects.",
R"([
{
"resources": ["test"],
"matches": ["https://allowed.example/*"],
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop"]
},
{
"resources": ["two"],
"matches": ["https://example.org/*"],
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop"]
}
])"},
{"Succeed if unexpected key exists in entry.",
R"([
{
"resources": ["test"],
"matches": ["https://chromium.org/*"],
"extension_ids": ["abcdefghijklmnopabcdefghijklmnop"],
"unexpected_key": ["allowed"]
}
])"},
{"Succeed if use_dynamic_url key is true, irrespective of matches or "
"extension_ids.",
R"([
{
"resources": ["test"],
"use_dynamic_url": true
}
])"},
};
for (const auto& test_case : test_cases) {
SCOPED_TRACE(base::StringPrintf("Error: '%s'", test_case.title));
scoped_refptr<Extension> extension(LoadAndExpectSuccess(
GetManifestData(test_case.web_accessible_resources)));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(extension.get()));
}
}
// Tests invalid configurations of the web_accessible_resources key in manifest
// v3 extensions.
TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResourcesV3Invalid) {
struct {
const char* title;
const char* web_accessible_resources;
const char* expected_error;
} test_cases[] = {
{"Error if web_accessible_resources key is of incorrect type.", "{}",
"Error at key 'web_accessible_resources'. Type is invalid. Expected "
"list, found dictionary."},
{"Error if objects has no keys.", "[{}]",
"Error at key 'web_accessible_resources'. Parsing array failed at index "
"0: 'resources' is required"},
{"Error if entry only contains |resources|.",
R"([
{
"resources": ["error"]
}
])",
"Invalid value for 'web_accessible_resources[0]'. Entry "
"must at least have resources, and one other valid key."},
{"Error if use_dynamic_url is false, and missing extension_ids or "
"matches.",
R"([
{
"resources": ["test"],
"use_dynamic_url": false
}
])",
"Invalid value for 'web_accessible_resources[0]'. Entry "
"must at least have resources, and one other valid key."},
{"Error if incorrect keyed object type is present.",
R"([
{
"resources": ["test"],
"matches": {"a": "https://error.example/*"},
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop"]
}
])",
"Error at key 'web_accessible_resources'. Parsing array failed at index "
"0: 'matches': expected list, got dictionary"},
{"Error if incorrect keyed object type is present.",
R"([
{
"resources": ["test"],
"matches": [1, 2, 3],
"extension_ids": [1, 2, 3]
}
])",
"Error at key 'web_accessible_resources'. Parsing array failed at index "
"0: Error at key 'matches': Parsing array failed at index 0: expected "
"string, got integer"},
{"Error if extension id is invalid.",
R"([
{
"resources": ["test"],
"matches": ["https://example.com/*"],
"extension_ids": [-1]
}
])",
"Error at key 'web_accessible_resources'. Parsing array failed at index "
"0: Error at key 'extension_ids': Parsing array failed at index 0: "
"expected string, got integer"},
{"Error if extension id is invalid.",
R"([
{
"resources": ["test"],
"matches": ["https://example.com/*"],
"extension_ids": ["error"]
}
])",
"Invalid value for 'web_accessible_resources[0]'. Invalid extension "
"id."},
{"Error if any match in matches includes a path after the origin.",
R"([
{
"resources": ["test"],
"matches": [
"https://allowed.example/*",
"https://example.com/error*"
]
}
])",
"Invalid value for 'web_accessible_resources[0]'. Invalid match pattern"
"."},
{"Only one wildcard is allowed.",
R"([
{
"resources": ["test"],
"matches": ["<all_urls>"],
"extension_ids": ["*", "*"]
}
])",
"Invalid value for 'web_accessible_resources[0]'. If a wildcard entry "
"is present, it must be the only entry."},
{"A wildcard with an extension id is invalid.",
R"([
{
"resources": ["test"],
"matches": ["<all_urls>"],
"extension_ids": ["abcdefghijlkmnopabcdefghijklmnop", "*"]
}
])",
"Invalid value for 'web_accessible_resources[0]'. If a wildcard entry "
"is present, it must be the only entry."},
};
for (const auto& test_case : test_cases) {
SCOPED_TRACE(base::StringPrintf("Error: '%s'", test_case.title));
LoadAndExpectError(GetManifestData(test_case.web_accessible_resources),
test_case.expected_error);
}
}
// Succeed if site requesting resource exists in matches.
TEST_F(WebAccessibleResourcesManifestTest,
WebAccessibleResourcesOriginRequestingResourceExistsInMatches) {
scoped_refptr<Extension> extension(LoadAndExpectSuccess(GetManifestData(
R"([
{
"resources": ["test"],
"matches": ["https://allowed.example/*"]
}
])")));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(extension.get()));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension.get(), "test",
url::Origin::Create(GURL("https://allowed.example"))));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension.get(), "test",
url::Origin::Create(GURL("http://error.example"))));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension.get(), "test", url::Origin::Create(GURL())));
}
// Error if V2 uses is keyed to anything other than array of string.
TEST_F(WebAccessibleResourcesManifestTest,
WebAccessibleResourcesV2MustBeArrayOfString) {
constexpr char kWebAccessibleResources[] =
R"([
{
"resources": ["test"],
"matches": ["https://error.example/*"],
}
])";
LoadAndExpectError(GetManifestData(kWebAccessibleResources, 2),
"Error at key 'web_accessible_resources'. Parsing array "
"failed at index 0: expected string, got dictionary");
}
// Error if V2's web_accessible_resources key is composed of invalid type.
TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResourcesV2Type) {
LoadAndExpectSuccess(GetManifestData(R"([])", 2));
LoadAndExpectSuccess(GetManifestData(R"([""])", 2));
LoadAndExpectError(GetManifestData(R"([{}])", 2),
"Error at key 'web_accessible_resources'. Parsing array "
"failed at index 0: expected string, got dictionary");
}
// Restrict resource access by specifying |extension_ids|.
TEST_F(WebAccessibleResourcesManifestTest,
WebAccessibleResourcesTestExtensionIds) {
auto get_manifest_data = [](std::string extension_id =
"abcdefghijklmnopabcdefghijklmnop") {
constexpr char kManifestStub[] =
R"({
"name": "Test",
"version": "0.1",
"manifest_version": 3,
"web_accessible_resources": [
{
"resources": ["test"],
"extension_ids": ["%s"]
}
]
})";
base::Value manifest_value = base::test::ParseJson(
base::StringPrintf(kManifestStub, extension_id.c_str()));
EXPECT_TRUE(manifest_value.is_dict());
return ManifestData(std::move(manifest_value).TakeDict());
};
scoped_refptr<const Extension> extension_callee =
LoadAndExpectSuccess(get_manifest_data());
scoped_refptr<const Extension> extension_caller =
LoadAndExpectSuccess(get_manifest_data(extension_callee->id()));
auto caller_origin = url::Origin::Create(extension_caller->url());
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension_caller.get(), "test", caller_origin));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension_caller.get(), "inaccessible", caller_origin));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension_callee.get(), "test", caller_origin));
// Test web accessible resource access by specifying an extension wildcard.
scoped_refptr<const Extension> wildcard_extension =
LoadAndExpectSuccess(get_manifest_data("*"));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
wildcard_extension.get(), "test", caller_origin));
auto web_origin = url::Origin::Create(GURL("http://example.com"));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
wildcard_extension.get(), "test", web_origin));
EXPECT_FALSE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
wildcard_extension.get(), "inaccessible", caller_origin));
}
// Tests wildcards of matches.
TEST_F(WebAccessibleResourcesManifestTest, WebAccessibleResourcesWildcard) {
struct {
const char* title;
const char* web_accessible_resources;
} test_cases[] = {
// clang-format off
{"Succeed if text based wildcard is used.",
R"([
{
"resources": ["test"],
"matches": ["<all_urls>"]
}
])"
},
{"Succeed if asterisk based wildcard is used.",
R"([
{
"resources": ["test"],
"matches": ["*://*/*"]
}
])"
}
// clang-format on
};
for (const auto& test_case : test_cases) {
SCOPED_TRACE(base::StringPrintf("Error: '%s'", test_case.title));
scoped_refptr<Extension> extension(LoadAndExpectSuccess(
GetManifestData(test_case.web_accessible_resources)));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(extension.get()));
EXPECT_TRUE(WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension.get(), "test",
url::Origin::Create(GURL("https://allowed.example"))));
}
}
// Verify behavior of web accessible resources with subdomains and ports.
TEST_F(WebAccessibleResourcesManifestTest, MatchFromInitiator) {
auto test_match_from_initiator = [&](const char* match,
const char* initiator_string,
bool expected_accessible) {
// Install extension.
auto manifest = content::JsReplace(R"([{
"resources": ["web_accessible_resource.html"],
"matches": [$1]
}])",
match);
scoped_refptr<Extension> extension(
LoadAndExpectSuccess(GetManifestData(manifest)));
EXPECT_TRUE(
WebAccessibleResourcesInfo::HasWebAccessibleResources(extension.get()));
// Verify behavior of web accessible resources.
auto origin = url::Origin::Create(GURL(initiator_string));
EXPECT_EQ(expected_accessible,
WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension.get(), "web_accessible_resource.html", origin));
};
struct {
const char* match;
const char* origin;
bool expected_accessible;
} test_cases[] = {
// Subdomain
{"https://a.example.com/*", "https://a.example.com/test", true},
{"https://a.example.com/*", "https://b.example.com/test", false},
{"https://a.example.com/*", "https://a.example.com:8080/test", true},
{"https://a.example.com:8080/*", "https://a.example.com/test", false},
// Wildcard subdomain
{"https://*.example.com/*", "https://a.example.com/test", true},
// Wildcard port
{"https://a.example.com:*/*", "https://a.example.com:8080", true},
// Mismatched port when port explicitly specified in both
{"https://a.example.com:8888/*", "https://a.example.com:8080", false},
};
for (const auto& test_case : test_cases) {
test_match_from_initiator(test_case.match, test_case.origin,
test_case.expected_accessible);
}
}
// Verify whether dynamic url should be used.
TEST_F(WebAccessibleResourcesManifestTest, ShouldUseDynamicUrl) {
// Common uses of web accessible resources.
auto test_should_use_dynamic_url = [&](bool use_dynamic_url,
const char* resource,
bool expected_use_dynamic_url) {
auto manifest = content::JsReplace(
// clang-format off
R"([{
"resources": ["web_accessible_resource.html"],
"matches": ["<all_urls>"],
"use_dynamic_url": $1
}])",
// clang-format on
use_dynamic_url);
scoped_refptr<Extension> extension(
LoadAndExpectSuccess(GetManifestData(manifest)));
EXPECT_EQ(expected_use_dynamic_url,
WebAccessibleResourcesInfo::ShouldUseDynamicUrl(extension.get(),
resource));
};
struct {
bool use_dynamic_url;
const char* resource;
bool expected_use_dynamic_url;
} test_cases[] = {
{true, "web_accessible_resource.html", true},
{false, "web_accessible_resource.html", false},
{true, "undefined.html", false},
{false, "undefined.html", false},
};
for (const auto& test_case : test_cases) {
test_should_use_dynamic_url(test_case.use_dynamic_url, test_case.resource,
test_case.expected_use_dynamic_url);
}
// Web accessible rexources undefined.
constexpr char kManifestStub[] =
R"({
"name": "Test",
"version": "1.0",
"manifest_version": 3
})";
base::Value manifest_value = base::test::ParseJson(kManifestStub);
ASSERT_TRUE(manifest_value.is_dict());
ManifestData manifest_data(std::move(manifest_value).TakeDict());
scoped_refptr<Extension> extension(LoadAndExpectSuccess(manifest_data));
EXPECT_EQ(false, WebAccessibleResourcesInfo::ShouldUseDynamicUrl(
extension.get(), "resource.html"));
}