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content / browser / devtools / devtools_frontend_host_impl.cc [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include "content/browser/devtools/devtools_frontend_host_impl.h"
#include <stddef.h>
#include <memory>
#include <string>
#include "base/feature_list.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/strcat.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/browser/bad_message.h"
#include "content/common/features.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "content/public/common/url_constants.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "ui/base/webui/resource_path.h"
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#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
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
extern const webui::ResourcePath kDevtoolsResources[];
extern const size_t kDevtoolsResourcesSize;
namespace content {
namespace {
const char kCompatibilityScript[] = "devtools_compatibility.js";
const char kCompatibilityScriptSourceURL[] =
"\n//# "
"sourceURL=devtools://devtools/bundled/devtools_compatibility.js";
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
// Remove the pieces of the URL we don't want to send back with the error
// reports. In particular, do not send query or fragments as those can have
// privacy-sensitive information in them.
std::string RedactURL(const GURL& url) {
std::string redacted_url = url.DeprecatedGetOriginAsURL().spec();
// Path will start with / and GetOrigin ends with /. Cut one / to avoid
// chrome://discards//graph.
if (!redacted_url.empty() && redacted_url.back() == '/') {
redacted_url.pop_back();
}
base::StrAppend(&redacted_url, {url.path_piece()});
return redacted_url;
}
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
}
// static
std::unique_ptr<DevToolsFrontendHost> DevToolsFrontendHost::Create(
RenderFrameHost* frame_host,
const HandleMessageCallback& handle_message_callback) {
DCHECK(!frame_host->GetParent());
return std::make_unique<DevToolsFrontendHostImpl>(frame_host,
handle_message_callback);
}
// static
std::unique_ptr<DevToolsFrontendHostImpl>
DevToolsFrontendHostImpl::CreateForTesting(
RenderFrameHost* frame_host,
const HandleMessageCallback& handle_message_callback) {
DCHECK(!frame_host->GetParent());
return std::make_unique<DevToolsFrontendHostImpl>(frame_host,
handle_message_callback);
}
// static
void DevToolsFrontendHost::SetupExtensionsAPI(
RenderFrameHost* frame_host,
const std::string& extension_api) {
DCHECK(frame_host->GetParent());
mojo::AssociatedRemote<blink::mojom::DevToolsFrontend> frontend;
frame_host->GetRemoteAssociatedInterfaces()->GetInterface(&frontend);
frontend->SetupDevToolsExtensionAPI(extension_api);
}
// static
scoped_refptr<base::RefCountedMemory>
DevToolsFrontendHost::GetFrontendResourceBytes(const std::string& path) {
for (size_t i = 0; i < kDevtoolsResourcesSize; ++i) {
if (path == kDevtoolsResources[i].path) {
return GetContentClient()->GetDataResourceBytes(kDevtoolsResources[i].id);
}
}
return nullptr;
}
// static
std::string DevToolsFrontendHost::GetFrontendResource(const std::string& path) {
scoped_refptr<base::RefCountedMemory> bytes = GetFrontendResourceBytes(path);
if (!bytes)
return std::string();
return std::string(base::as_string_view(*bytes));
}
DevToolsFrontendHostImpl::DevToolsFrontendHostImpl(
RenderFrameHost* frame_host,
const HandleMessageCallback& handle_message_callback)
: web_contents_(WebContents::FromRenderFrameHost(frame_host)),
handle_message_callback_(handle_message_callback) {
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
Observe(web_contents_);
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
mojo::AssociatedRemote<blink::mojom::DevToolsFrontend> frontend;
frame_host->GetRemoteAssociatedInterfaces()->GetInterface(&frontend);
std::string api_script =
content::DevToolsFrontendHost::GetFrontendResource(kCompatibilityScript) +
kCompatibilityScriptSourceURL;
frontend->SetupDevToolsFrontend(api_script,
receiver_.BindNewEndpointAndPassRemote());
}
DevToolsFrontendHostImpl::~DevToolsFrontendHostImpl() = default;
void DevToolsFrontendHostImpl::BadMessageReceived() {
bad_message::ReceivedBadMessage(
web_contents_->GetPrimaryMainFrame()->GetProcess(),
bad_message::DFH_BAD_EMBEDDER_MESSAGE);
}
void DevToolsFrontendHostImpl::DispatchEmbedderMessage(
base::Value::Dict message) {
handle_message_callback_.Run(std::move(message));
}
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
void DevToolsFrontendHostImpl::OnDidAddMessageToConsole(
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>& untrusted_stack_trace) {
if (!base::FeatureList::IsEnabled(
features::kEnableDevToolsJsErrorReporting)) {
return;
}
DVLOG(3) << "OnDidAddMessageToConsole called for " << message;
if (log_level != blink::mojom::ConsoleMessageLevel::kError) {
DVLOG(3) << "Message not reported, not an error";
return;
}
scoped_refptr<JsErrorReportProcessor> processor =
JsErrorReportProcessor::Get();
if (!processor) {
// This usually means we are not on an official Google build, FYI.
DVLOG(3) << "Message not reported, no processor";
return;
}
GURL url(source_id);
if (!url.is_valid()) {
DVLOG(3) << "Message not reported, invalid URL: " << source_id;
return;
}
// If this is not a devtools:// page, do not report the error
// This allows us to filter out messages from web page and extensions.
// Even extensions are part of the DevTools (via
// chrome.devtools.panels.create) the source for logs from them starts with
// `chrome-extension://`
if (!url.SchemeIs(kChromeDevToolsScheme)) {
DVLOG(3) << "Message not reported, not a devtools:// URL";
return;
}
JavaScriptErrorReport report;
report.message = base::UTF16ToUTF8(message);
report.line_number = line_no;
report.url = RedactURL(url);
report.source_system = JavaScriptErrorReport::SourceSystem::kDevToolsObserver;
if (untrusted_stack_trace) {
report.stack_trace = base::UTF16ToUTF8(*untrusted_stack_trace);
}
processor->SendErrorReport(std::move(report), base::DoNothing(),
web_contents()->GetBrowserContext());
}
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
} // namespace content