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
content / browser / webui / web_ui_main_frame_observer_unittest.cc [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/webui/web_ui_main_frame_observer.h"
#include <memory>
#include <string>
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/field_trial_params.h"
#include "base/task/single_thread_task_runner.h"
#include "build/build_config.h"
#include "components/crash/content/browser/error_reporting/javascript_error_report.h" // nogncheck
#include "components/crash/content/browser/error_reporting/js_error_report_processor.h" // nogncheck
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/test_browser_context.h"
#include "content/public/test/test_renderer_host.h"
#include "content/test/test_web_contents.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
namespace content {
namespace {
using testing::Eq;
using testing::Optional;
class FakeJsErrorReportProcessor : public JsErrorReportProcessor {
public:
explicit FakeJsErrorReportProcessor(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: task_runner_(std::move(task_runner)) {}
// After calling this, expect all SendErrorReport's to use this
// BrowserContext.
void SetExpectedBrowserContext(BrowserContext* browser_context) {
browser_context_ = browser_context;
}
void SendErrorReport(JavaScriptErrorReport error_report,
base::OnceClosure completion_callback,
BrowserContext* browser_context) override {
CHECK_EQ(browser_context, browser_context_);
last_error_report_ = std::move(error_report);
++error_report_count_;
task_runner_->PostTask(FROM_HERE, std::move(completion_callback));
}
const JavaScriptErrorReport& last_error_report() const {
return last_error_report_;
}
int error_report_count() const { return error_report_count_; }
// Make public for testing.
using JsErrorReportProcessor::SetDefault;
protected:
~FakeJsErrorReportProcessor() override = default;
private:
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
JavaScriptErrorReport last_error_report_;
int error_report_count_ = 0;
raw_ptr<BrowserContext> browser_context_ = nullptr;
};
class MockWebUIController : public WebUIController {
public:
explicit MockWebUIController(WebUI* web_ui) : WebUIController(web_ui) {}
bool IsJavascriptErrorReportingEnabled() override {
return enable_javascript_error_reporting_;
}
void enable_javascript_error_reporting(
bool enable_javascript_error_reporting) {
enable_javascript_error_reporting_ = enable_javascript_error_reporting;
}
private:
bool enable_javascript_error_reporting_ = true;
WEB_UI_CONTROLLER_TYPE_DECL();
};
WEB_UI_CONTROLLER_TYPE_IMPL(MockWebUIController)
} // namespace
class WebUIMainFrameObserverTest : public RenderViewHostTestHarness {
public:
void SetUp() override {
RenderViewHostTestHarness::SetUp();
site_instance_ = SiteInstance::Create(browser_context());
SetContents(TestWebContents::Create(browser_context(), site_instance_));
// Since we just created the web_contents() pointer with
// TestWebContents::Create, the static_casts are safe.
web_ui_ = std::make_unique<WebUIImpl>(web_contents());
web_ui_->SetRenderFrameHost(
static_cast<TestWebContents*>(web_contents())->GetPrimaryMainFrame());
web_ui_->SetController(
std::make_unique<MockWebUIController>(web_ui_.get()));
process()->Init();
previous_processor_ = JsErrorReportProcessor::Get();
processor_ = base::MakeRefCounted<FakeJsErrorReportProcessor>(
task_environment()->GetMainThreadTaskRunner());
FakeJsErrorReportProcessor::SetDefault(processor_);
processor_->SetExpectedBrowserContext(browser_context());
}
void TearDown() override {
FakeJsErrorReportProcessor::SetDefault(previous_processor_);
// We have to destroy the site_instance_ before
// RenderViewHostTestHarness::TearDown() destroys the
// BrowserTaskEnvironment. We've gotten a lot of things that depend directly
// or indirectly on BrowserTaskEnvironment, so just destroy everything we
// can.
previous_processor_.reset();
processor_.reset();
web_ui_.reset();
site_instance_.reset();
RenderViewHostTestHarness::TearDown();
}
// Simulate navigating to the WebUI page. Basically so that
// WebUIMainFrameObserver::ReadyToCommitNavigation() gets called, since that
// initializes the error handling.
void NavigateToPage() {
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(),
GURL(kPageURL8));
}
// Calls the observer's OnDidAddMessageToConsole with the given arguments.
// This is just here so that we don't need to FRIEND_TEST_ALL_PREFIXES for
// each and every test.
void CallOnDidAddMessageToConsole(
RenderFrameHost* source_frame,
blink::mojom::ConsoleMessageLevel log_level,
const std::u16string& message,
int32_t line_no,
const std::u16string& source_id,
const std::optional<std::u16string>& stack_trace) {
web_ui_->GetWebUIMainFrameObserverForTest()->OnDidAddMessageToConsole(
source_frame, log_level, message, line_no, source_id, stack_trace);
}
protected:
scoped_refptr<SiteInstance> site_instance_;
std::unique_ptr<WebUIImpl> web_ui_;
scoped_refptr<FakeJsErrorReportProcessor> processor_;
scoped_refptr<JsErrorReportProcessor> previous_processor_;
static constexpr char kMessage8[] = "An Error Is Me";
static constexpr char16_t kMessage16[] = u"An Error Is Me";
static constexpr char kSourceURL8[] = "chrome://here.is.error/bad.js";
static constexpr char16_t kSourceURL16[] = u"chrome://here.is.error/bad.js";
static constexpr char kPageURL8[] = "chrome://here.is.error/index.html";
static constexpr char kStackTrace8[] =
"at badFunction (chrome://page/my.js:20:30)\n"
"at poorCaller (chrome://page/my.js:50:10)\n";
static constexpr char16_t kStackTrace16[] =
u"at badFunction (chrome://page/my.js:20:30)\n"
u"at poorCaller (chrome://page/my.js:50:10)\n";
};
constexpr char WebUIMainFrameObserverTest::kMessage8[];
constexpr char16_t WebUIMainFrameObserverTest::kMessage16[];
constexpr char WebUIMainFrameObserverTest::kSourceURL8[];
constexpr char16_t WebUIMainFrameObserverTest::kSourceURL16[];
constexpr char WebUIMainFrameObserverTest::kPageURL8[];
constexpr char WebUIMainFrameObserverTest::kStackTrace8[];
constexpr char16_t WebUIMainFrameObserverTest::kStackTrace16[];
TEST_F(WebUIMainFrameObserverTest, ErrorReported) {
NavigateToPage();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 1);
EXPECT_EQ(processor_->last_error_report().message, kMessage8);
EXPECT_EQ(processor_->last_error_report().url, kSourceURL8);
EXPECT_EQ(processor_->last_error_report().page_url, kPageURL8);
EXPECT_EQ(processor_->last_error_report().source_system,
JavaScriptErrorReport::SourceSystem::kWebUIObserver);
EXPECT_THAT(processor_->last_error_report().stack_trace,
Optional(Eq(kStackTrace8)));
// WebUI should use default product & version.
EXPECT_EQ(processor_->last_error_report().product, "");
EXPECT_EQ(processor_->last_error_report().version, "");
EXPECT_EQ(*processor_->last_error_report().line_number, 5);
EXPECT_FALSE(processor_->last_error_report().column_number);
EXPECT_FALSE(processor_->last_error_report().app_locale);
EXPECT_TRUE(processor_->last_error_report().send_to_production_servers);
}
TEST_F(WebUIMainFrameObserverTest, NoStackTrace) {
NavigateToPage();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, std::nullopt);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 1);
EXPECT_EQ(processor_->last_error_report().stack_trace, std::nullopt);
}
TEST_F(WebUIMainFrameObserverTest, NonErrorsIgnored) {
NavigateToPage();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kWarning,
kMessage16, 5, kSourceURL16, kStackTrace16);
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kInfo,
kMessage16, 5, kSourceURL16, kStackTrace16);
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kVerbose,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 0);
}
TEST_F(WebUIMainFrameObserverTest, NoProcessorDoesntCrash) {
NavigateToPage();
FakeJsErrorReportProcessor::SetDefault(nullptr);
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
}
TEST_F(WebUIMainFrameObserverTest, NotSentIfInvalidURL) {
NavigateToPage();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, u"invalid URL", kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 0);
}
TEST_F(WebUIMainFrameObserverTest, NotSentIfDisabledForPage) {
static_cast<MockWebUIController*>(web_ui_->GetController())
->enable_javascript_error_reporting(false);
NavigateToPage();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 0);
}
TEST_F(WebUIMainFrameObserverTest, URLPathIsPreservedOtherPartsRemoved) {
NavigateToPage();
struct URLTest {
const char16_t* const input;
const char* const expected;
};
const URLTest kTests[] = {
// No path still has no path.
{u"chrome://version", "chrome://version/"},
{u"chrome://version/", "chrome://version/"},
// Path is kept.
{u"chrome://discards/graph", "chrome://discards/graph"},
{u"chrome://discards/graph/", "chrome://discards/graph/"},
// Longer paths are kept.
{u"chrome://discards/graph/a/b/c/d", "chrome://discards/graph/a/b/c/d"},
// Queries are removed, with or without a path.
{u"chrome://bookmarks/?q=chromium", "chrome://bookmarks/"},
{u"chrome://bookmarks/add?q=chromium", "chrome://bookmarks/add"},
{u"chrome://bookmarks/add/?q=chromium", "chrome://bookmarks/add/"},
// Fragments are removed, with or without a path.
{u"chrome://flags/#tab-groups", "chrome://flags/"},
{u"chrome://flags/available/#tab-groups", "chrome://flags/available/"},
// Queries & fragments are removed.
{u"chrome://bookmarks/add?q=chromium#code", "chrome://bookmarks/add"},
// User name and password are removed. (It's weird to have a user name or
// password on a chrome URL, but otherwise we get blocked by the
// no-non-chrome-URLs check)
{u"chrome://chronos:test0000@version/Home", "chrome://version/Home"},
};
for (const URLTest& test : kTests) {
int previous_count = processor_->error_report_count();
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, test.input, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), previous_count + 1)
<< "for " << test.input;
EXPECT_EQ(processor_->last_error_report().url, test.expected)
<< "for " << test.input;
}
}
TEST_F(WebUIMainFrameObserverTest, PageURLAlsoRedacted) {
constexpr char kPageWithQueryAndFragment[] =
"chrome://bookmarks/add?q=chromium#code";
NavigationSimulator::NavigateAndCommitFromBrowser(
web_contents(), GURL(kPageWithQueryAndFragment));
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 1);
EXPECT_EQ(processor_->last_error_report().page_url, "chrome://bookmarks/add");
}
TEST_F(WebUIMainFrameObserverTest, ErrorsNotReportedInOtherFrames) {
NavigateToPage();
auto another_contents =
TestWebContents::Create(browser_context(), site_instance_);
CHECK(another_contents->GetPrimaryMainFrame());
CallOnDidAddMessageToConsole(another_contents->GetPrimaryMainFrame(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, kSourceURL16, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 0);
}
TEST_F(WebUIMainFrameObserverTest, ErrorsNotReportedForNonChromeURLs) {
NavigateToPage();
const char16_t* const kNonChromeSourceURLs[] = {
u"chrome-untrusted://media-app",
u"chrome-error://chromewebdata/",
u"chrome-extension://abc123/",
u"about:blank",
};
for (const auto* url : kNonChromeSourceURLs) {
CallOnDidAddMessageToConsole(web_ui_->GetRenderFrameHost(),
blink::mojom::ConsoleMessageLevel::kError,
kMessage16, 5, url, kStackTrace16);
task_environment()->RunUntilIdle();
EXPECT_EQ(processor_->error_report_count(), 0) << url;
}
}
} // namespace content
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)