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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <tuple>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/singleton_tabs.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/blob_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/site_isolation_policy.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/isolated_world_ids.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/common/extension_urls.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "net/base/features.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "storage/browser/blob/blob_registry_impl.h"
#include "storage/browser/blob/blob_url_registry.h"
#include "third_party/blink/public/common/blob/blob_utils.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/blob/blob_url_store.mojom.h"
#include "url/gurl.h"
#include "url/origin.h"
// The goal of these tests is to "simulate" exploited renderer processes, which
// can send arbitrary IPC messages and confuse browser process internal state,
// leading to security bugs. We are trying to verify that the browser doesn't
// perform any dangerous operations in such cases.
// This is similar to the security_exploit_browsertest.cc tests, but also
// includes chrome/ layer concepts such as extensions.
class ChromeSecurityExploitBrowserTest
: public extensions::ExtensionBrowserTest {
public:
ChromeSecurityExploitBrowserTest() = default;
ChromeSecurityExploitBrowserTest(const ChromeSecurityExploitBrowserTest&) =
delete;
ChromeSecurityExploitBrowserTest& operator=(
const ChromeSecurityExploitBrowserTest&) = delete;
~ChromeSecurityExploitBrowserTest() override = default;
void SetUpOnMainThread() override {
extensions::ExtensionBrowserTest::SetUpOnMainThread();
ASSERT_TRUE(embedded_test_server()->Start());
host_resolver()->AddRule("*", "127.0.0.1");
extension_ = LoadExtension(test_data_dir_.AppendASCII("simple_with_icon"));
}
void TearDownOnMainThread() override {
extension_ = nullptr;
extensions::ExtensionBrowserTest::TearDownOnMainThread();
}
const extensions::Extension* extension() { return extension_; }
std::unique_ptr<content::BlobHandle> CreateMemoryBackedBlob(
const std::string& contents,
const std::string& content_type) {
std::unique_ptr<content::BlobHandle> result;
base::RunLoop loop;
profile()->CreateMemoryBackedBlob(
base::as_byte_span(contents), content_type,
base::BindOnce(
[](std::unique_ptr<content::BlobHandle>* out_blob,
base::OnceClosure done,
std::unique_ptr<content::BlobHandle> blob) {
*out_blob = std::move(blob);
std::move(done).Run();
},
&result, loop.QuitClosure()));
loop.Run();
EXPECT_TRUE(result);
return result;
}
private:
raw_ptr<const extensions::Extension> extension_ = nullptr;
};
// Subclass of ChromeSecurityExploitBrowserTest that uses --disable-web-security
// to simulate an exploited renderer. Note that this also disables some browser
// process checks, so it's not ideal for all exploit tests.
class ChromeWebSecurityDisabledBrowserTest
: public ChromeSecurityExploitBrowserTest {
public:
ChromeWebSecurityDisabledBrowserTest() = default;
ChromeWebSecurityDisabledBrowserTest(
const ChromeWebSecurityDisabledBrowserTest&) = delete;
ChromeWebSecurityDisabledBrowserTest& operator=(
const ChromeWebSecurityDisabledBrowserTest&) = delete;
~ChromeWebSecurityDisabledBrowserTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
ChromeSecurityExploitBrowserTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kDisableWebSecurity);
}
};
// TODO(nasko): This test as written is incompatible with Site Isolation
// restrictions, which disallow the cross-origin pushState call.
// Find a different way to implement issuing the illegal request or just
// delete the test if we have coverage elsewhere. See https://crbug.com/929161.
IN_PROC_BROWSER_TEST_F(ChromeWebSecurityDisabledBrowserTest,
DISABLED_ChromeExtensionResources) {
// Load a page that requests a chrome-extension:// image through XHR. We
// expect this load to fail, as it is an illegal request.
GURL foo = embedded_test_server()->GetURL("foo.com",
"/chrome_extension_resource.html");
content::DOMMessageQueue msg_queue(
browser()->tab_strip_model()->GetActiveWebContents());
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), foo));
std::string status;
std::string expected_status("0");
EXPECT_TRUE(msg_queue.WaitForMessage(&status));
EXPECT_STREQ(status.c_str(), expected_status.c_str());
}
// Tests that an about:blank process cannot send a commit for the URL associated
// with the old Chrome Web Store hosted app. Normally this would be fine for a
// URL to a normal web page, but the hosted app is actually an extension process
// so this should fail. See https://crbug.com/172119.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CommitWebStoreHostedAppInAboutBlankProcess) {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because the Chrome Web Store is not
// allowed to commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a commit of a blank URL, which would otherwise be allowed
// to commit in any process.
GURL blank_url = GURL(url::kAboutBlankURL);
GURL webstore_url = extension_urls::GetWebstoreLaunchURL();
content::PwnCommitIPC(web_contents, blank_url, webstore_url,
url::Origin::Create(GURL(webstore_url)));
web_contents->GetController().LoadURL(
blank_url, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitURL, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 1, 1);
}
class WebstoreSecurityExploitBrowserTest
: public ChromeSecurityExploitBrowserTest,
public testing::WithParamInterface<GURL> {};
// Tests that a normal web process cannot send a commit for a Chrome
// Web Store URL. See https://crbug.com/172119.
IN_PROC_BROWSER_TEST_P(WebstoreSecurityExploitBrowserTest,
CommitWebStoreURLInWebProcess) {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because the Chrome Web Store is not
// allowed to commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a URL to a normal web page. This should fail due to
// normal site isolation.
GURL foo = embedded_test_server()->GetURL("foo.com", "/title1.html");
GURL webstore_url = GetParam();
content::PwnCommitIPC(web_contents, foo, webstore_url,
url::Origin::Create(GURL(webstore_url)));
web_contents->GetController().LoadURL(
foo, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitURL, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 1, 1);
}
// Tests that a cross-origin same-site process cannot send a commit for a Chrome
// Web Store URL.
IN_PROC_BROWSER_TEST_P(WebstoreSecurityExploitBrowserTest,
CommitWebStoreURLInSameSiteProcess) {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because the Chrome Web Store is not
// allowed to commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a URL which is cross-origin, but same-site as the
// Web Store. This should fail as the Web Store origin is specifically
// isolated from the rest of the site.
GURL fake = embedded_test_server()->GetURL("fakechromewebstore.google.com",
"/title1.html");
GURL webstore_url = GetParam();
content::PwnCommitIPC(web_contents, fake, webstore_url,
url::Origin::Create(GURL(webstore_url)));
web_contents->GetController().LoadURL(
fake, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitURL, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 1, 1);
}
INSTANTIATE_TEST_SUITE_P(
WebstoreNewURL,
WebstoreSecurityExploitBrowserTest,
testing::Values(GURL("https://chromewebstore.google.com/")));
INSTANTIATE_TEST_SUITE_P(
WebstoreHostedAppURL,
WebstoreSecurityExploitBrowserTest,
testing::Values(GURL("https://chrome.google.com/webstore")));
// Tests that a non-extension process cannot send a commit of a blank URL with
// an extension origin.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CommitExtensionOriginInWebProcess) {
GURL foo = embedded_test_server()->GetURL("foo.com", "/title1.html");
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because |ext_origin| is not allowed to
// commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a commit of a blank URL, which would otherwise be allowed
// to commit in any process.
GURL blank_url = GURL(url::kAboutBlankURL);
std::string ext_origin = "chrome-extension://" + extension()->id();
content::PwnCommitIPC(web_contents, blank_url, blank_url,
url::Origin::Create(GURL(ext_origin)));
web_contents->GetController().LoadURL(
blank_url, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitOrigin, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 114,
1);
}
// Tests that a non-extension process cannot send a commit of an extension URL.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CommitExtensionURLInWebProcess) {
GURL foo = embedded_test_server()->GetURL("foo.com", "/title1.html");
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because extension URLs are not allowed to
// commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a commit of a blank URL, which would otherwise be allowed
// to commit in any process.
GURL blank_url = GURL(url::kAboutBlankURL);
std::string ext_origin = "chrome-extension://" + extension()->id();
content::PwnCommitIPC(web_contents, blank_url, GURL(ext_origin),
url::Origin::Create(GURL(ext_origin)));
web_contents->GetController().LoadURL(
blank_url, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitURL, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 1, 1);
}
// Tests that a non-extension process cannot send a commit of an extension
// filesystem URL.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CommitExtensionFilesystemURLInWebProcess) {
GURL foo = embedded_test_server()->GetURL("foo.com", "/title1.html");
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::RenderFrameHost* rfh = web_contents->GetPrimaryMainFrame();
// This IPC should result in a kill because extension filesystem URLs are not
// allowed to commit in |rfh->GetProcess()|.
base::HistogramTester histograms;
content::RenderProcessHostWatcher crash_observer(
rfh->GetProcess(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
// Modify an IPC for a commit of a blank URL, which would otherwise be allowed
// to commit in any process.
GURL blank_url = GURL(url::kAboutBlankURL);
std::string ext_origin = "chrome-extension://" + extension()->id();
content::PwnCommitIPC(web_contents, blank_url,
GURL("filesystem:" + ext_origin + "/foo"),
url::Origin::Create(GURL(ext_origin)));
web_contents->GetController().LoadURL(
blank_url, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
// If the process is killed in CanCommitURL, this test passes.
crash_observer.Wait();
histograms.ExpectUniqueSample("Stability.BadMessageTerminated.Content", 1, 1);
}
// chrome://xyz should not be able to create a "filesystem:chrome://abc"
// resource.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CreateFilesystemURLInOtherChromeUIOrigin) {
ASSERT_TRUE(
ui_test_utils::NavigateToURL(browser(), GURL("chrome://version")));
content::RenderFrameHost* rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
// Block the renderer on operation that never completes, to shield it from
// receiving unexpected browser->renderer IPCs that might CHECK.
rfh->ExecuteJavaScriptWithUserGestureForTests(
u"var r = new XMLHttpRequest();"
u"r.open('GET', '/slow?99999', false);"
u"r.send(null);"
u"while (1);",
base::NullCallback(), content::ISOLATED_WORLD_ID_GLOBAL);
std::string payload = "<p>Hello world!</p>";
std::string payload_type = "text/html";
// Target an extension.
std::string target_origin = "chrome://downloads";
// Set up a blob ID and populate it with the attacker-controlled payload. This
// is just using the blob APIs directly since creating arbitrary blobs is not
// what is prohibited; this data is not in any origin.
std::unique_ptr<content::BlobHandle> blob =
CreateMemoryBackedBlob(payload, payload_type);
std::string blob_id = blob->GetUUID();
// Note: a well-behaved renderer would always send the following message here,
// but it's actually not necessary for the original attack to succeed, so we
// omit it. As a result there are some log warnings from the quota observer.
//
// IPC::IpcSecurityTestUtil::PwnMessageReceived(
// rfh->GetProcess()->GetChannel(),
// FileSystemHostMsg_OpenFileSystem(22, GURL(target_origin),
// storage::kFileSystemTypeTemporary));
GURL target_url =
GURL("filesystem:" + target_origin + "/temporary/exploit.html");
content::PwnMessageHelper::FileSystemCreate(
rfh->GetProcess(), 23, target_url, false, false, false,
blink::StorageKey::CreateFirstParty(url::Origin::Create(target_url)));
// Write the blob into the file. If successful, this places an
// attacker-controlled value in a resource on the extension origin.
content::PwnMessageHelper::FileSystemWrite(
rfh->GetProcess(), 24, target_url, blob_id, 0,
blink::StorageKey::CreateFirstParty(url::Origin::Create(target_url)));
// Now navigate to |target_url| in a new tab. It should not contain |payload|.
ASSERT_FALSE(AddTabAtIndex(0, target_url, ui::PAGE_TRANSITION_TYPED));
EXPECT_FALSE(content::WaitForLoadStop(
browser()->tab_strip_model()->GetWebContentsAt(0)));
rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
// If the attack is unsuccessful, the navigation ends up in an error
// page.
if (content::SiteIsolationPolicy::IsErrorPageIsolationEnabled(
!rfh->GetParent())) {
EXPECT_EQ(GURL(content::kUnreachableWebDataURL),
rfh->GetSiteInstance()->GetSiteURL());
} else {
EXPECT_EQ(GURL(target_origin), rfh->GetSiteInstance()->GetSiteURL());
}
std::string script = R"(
var textContent = document.body.innerText.replace(/\n+/g, '\n');
textContent;
)";
std::string body = content::EvalJs(rfh, script).ExtractString();
EXPECT_EQ(
"Your file couldn’t be accessed\n"
"It may have been moved, edited, or deleted.\n"
"ERR_FILE_NOT_FOUND",
body);
}
// Extension isolation prevents a normal renderer process from being able to
// create a "filesystem:chrome-extension://sdgkjaghsdg/temporary/" resource.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTest,
CreateFilesystemURLInExtensionOrigin) {
GURL page_url =
embedded_test_server()->GetURL("a.root-servers.net", "/title1.html");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), page_url));
content::RenderFrameHost* rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
// Block the renderer on operation that never completes, to shield it from
// receiving unexpected browser->renderer IPCs that might CHECK.
rfh->ExecuteJavaScriptWithUserGestureForTests(
u"var r = new XMLHttpRequest();"
u"r.open('GET', '/slow?99999', false);"
u"r.send(null);"
u"while (1);",
base::NullCallback(), content::ISOLATED_WORLD_ID_GLOBAL);
// JS code that the attacker would like to run in an extension process.
std::string payload = "<html><body>pwned.</body></html>";
std::string payload_type = "text/html";
// Target an extension.
std::string target_origin = "chrome-extension://" + extension()->id();
// Set up a blob ID and populate it with the attacker-controlled payload. This
// is just using the blob APIs directly since creating arbitrary blobs is not
// what is prohibited; this data is not in any origin.
std::unique_ptr<content::BlobHandle> blob =
CreateMemoryBackedBlob(payload, payload_type);
std::string blob_id = blob->GetUUID();
// Note: a well-behaved renderer would always call Open first before calling
// Create and Write, but it's actually not necessary for the original attack
// to succeed, so we omit it. As a result there are some log warnings from the
// quota observer.
GURL target_url =
GURL("filesystem:" + target_origin + "/temporary/exploit.html");
content::PwnMessageHelper::FileSystemCreate(
rfh->GetProcess(), 23, target_url, false, false, false,
blink::StorageKey::CreateFirstParty(url::Origin::Create(target_url)));
// Write the blob into the file. If successful, this places an
// attacker-controlled value in a resource on the extension origin.
content::PwnMessageHelper::FileSystemWrite(
rfh->GetProcess(), 24, target_url, blob_id, 0,
blink::StorageKey::CreateFirstParty(url::Origin::Create(target_url)));
// Now navigate to |target_url| in a new tab. It should not contain |payload|.
ASSERT_FALSE(AddTabAtIndex(0, target_url, ui::PAGE_TRANSITION_TYPED));
EXPECT_FALSE(content::WaitForLoadStop(
browser()->tab_strip_model()->GetWebContentsAt(0)));
rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
// If the attack is unsuccessful, the navigation ends up in an error
// page.
if (content::SiteIsolationPolicy::IsErrorPageIsolationEnabled(
!rfh->GetParent())) {
EXPECT_EQ(GURL(content::kUnreachableWebDataURL),
rfh->GetSiteInstance()->GetSiteURL());
} else {
EXPECT_EQ(GURL(target_origin), rfh->GetSiteInstance()->GetSiteURL());
}
std::string body;
std::string script = R"(
var textContent = document.body.innerText.replace(/\n+/g, '\n');
textContent;
)";
body = content::EvalJs(rfh, script).ExtractString();
EXPECT_EQ(
"Your file couldn’t be accessed\n"
"It may have been moved, edited, or deleted.\n"
"ERR_FILE_NOT_FOUND",
body);
}
class ChromeSecurityExploitBrowserTestMojoBlobURLs
: public ChromeSecurityExploitBrowserTest {
public:
ChromeSecurityExploitBrowserTestMojoBlobURLs() = default;
void TearDown() override {
storage::BlobUrlRegistry::SetURLStoreCreationHookForTesting(nullptr);
}
};
// Extension isolation prevents a normal renderer process from being able to
// create a "blob:chrome-extension://" resource.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTestMojoBlobURLs,
CreateBlobInExtensionOrigin) {
// Target an extension.
std::string target_origin = "chrome-extension://" + extension()->id();
std::string blob_path = "5881f76e-10d2-410d-8c61-ef210502acfd";
base::RepeatingCallback<void(storage::BlobUrlRegistry*, mojo::ReceiverId)>
blob_url_registry_intercept_hook;
base::RepeatingCallback<void(
mojo::SelfOwnedAssociatedReceiverRef<blink::mojom::BlobURLStore>)>
blob_registry_impl_intercept_hook;
blob_url_registry_intercept_hook =
base::BindRepeating(&content::BlobURLStoreInterceptor::Intercept,
GURL("blob:" + target_origin + "/" + blob_path));
storage::BlobUrlRegistry::SetURLStoreCreationHookForTesting(
&blob_url_registry_intercept_hook);
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(),
embedded_test_server()->GetURL("a.root-servers.net", "/title1.html")));
content::RenderFrameHost* rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
content::RenderProcessHostBadMojoMessageWaiter crash_observer(
rfh->GetProcess());
// The renderer should always get killed, but sometimes ExecJs returns
// true anyway, so just ignore the result.
std::ignore = content::ExecJs(rfh, "URL.createObjectURL(new Blob(['foo']))");
// If the process is killed, this test passes.
EXPECT_EQ(
"Received bad user message: "
"URL with invalid origin passed to BlobURLStore::Register",
crash_observer.Wait());
}
// chrome://xyz should not be able to create a "blob:chrome://abc" resource.
IN_PROC_BROWSER_TEST_F(ChromeSecurityExploitBrowserTestMojoBlobURLs,
CreateBlobInOtherChromeUIOrigin) {
ASSERT_TRUE(
ui_test_utils::NavigateToURL(browser(), GURL("chrome://version")));
// All these are attacker controlled values.
std::string blob_type = "text/html";
std::string blob_contents = "<p>Hello world!</p>";
std::string blob_path = "f7dfbeb5-8e41-4c4a-8486-a52fed33c4c0";
// Target an extension.
std::string target_origin = "chrome://downloads";
base::RepeatingCallback<void(storage::BlobUrlRegistry*, mojo::ReceiverId)>
blob_url_registry_intercept_hook;
base::RepeatingCallback<void(
mojo::SelfOwnedAssociatedReceiverRef<blink::mojom::BlobURLStore>)>
blob_registry_impl_intercept_hook;
blob_url_registry_intercept_hook =
base::BindRepeating(&content::BlobURLStoreInterceptor::Intercept,
GURL("blob:" + target_origin + "/" + blob_path));
storage::BlobUrlRegistry::SetURLStoreCreationHookForTesting(
&blob_url_registry_intercept_hook);
content::RenderFrameHost* rfh = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
content::RenderProcessHostBadMojoMessageWaiter crash_observer(
rfh->GetProcess());
// The renderer should always get killed, but sometimes ExecJs returns
// true anyway, so just ignore the result.
std::ignore = content::ExecJs(rfh, "URL.createObjectURL(new Blob(['foo']))");
// If the process is killed, this test passes.
EXPECT_EQ(
"Received bad user message: "
"URL with invalid origin passed to BlobURLStore::Register",
crash_observer.Wait());
}
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