151 lines
4.6 KiB
C++
151 lines
4.6 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/devtools_delegate.h"
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#include "libcef/browser/devtools_scheme_handler.h"
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#include <algorithm>
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#include <string>
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#include "base/command_line.h"
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#include "base/md5.h"
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#include "base/rand_util.h"
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#include "base/stringprintf.h"
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#include "base/string_number_conversions.h"
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#include "base/time.h"
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#include "content/public/browser/devtools_http_handler.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/browser/render_view_host.h"
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#include "content/public/common/content_client.h"
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#include "content/public/common/content_switches.h"
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#include "grit/cef_resources.h"
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#include "net/base/tcp_listen_socket.h"
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#include "net/url_request/url_request_context_getter.h"
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#include "ui/base/layout.h"
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#include "ui/base/resource/resource_bundle.h"
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namespace {
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class CefDevToolsBindingHandler
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: public content::DevToolsHttpHandler::RenderViewHostBinding {
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public:
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CefDevToolsBindingHandler() {
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}
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virtual std::string GetIdentifier(content::RenderViewHost* rvh) OVERRIDE {
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int process_id = rvh->GetProcess()->GetID();
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int routing_id = rvh->GetRoutingID();
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if (random_seed_.empty()) {
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// Generate a random seed that is used to make identifier guessing more
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// difficult.
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random_seed_ = base::StringPrintf("%lf|%u",
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base::Time::Now().ToDoubleT(), base::RandInt(0, INT_MAX));
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}
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// Create a key that combines RVH IDs and the random seed.
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std::string key = base::StringPrintf("%d|%d|%s",
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process_id,
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routing_id,
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random_seed_.c_str());
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// Return an MD5 hash of the key.
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return base::MD5String(key);
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}
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virtual content::RenderViewHost* ForIdentifier(
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const std::string& identifier) OVERRIDE {
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// Iterate through the existing RVH instances to find a match.
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for (content::RenderProcessHost::iterator it(
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content::RenderProcessHost::AllHostsIterator());
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!it.IsAtEnd(); it.Advance()) {
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content::RenderProcessHost* render_process_host = it.GetCurrentValue();
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DCHECK(render_process_host);
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// Ignore processes that don't have a connection, such as crashed
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// contents.
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if (!render_process_host->HasConnection())
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continue;
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content::RenderProcessHost::RenderWidgetHostsIterator rwit(
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render_process_host->GetRenderWidgetHostsIterator());
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for (; !rwit.IsAtEnd(); rwit.Advance()) {
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const content::RenderWidgetHost* widget = rwit.GetCurrentValue();
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DCHECK(widget);
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if (!widget || !widget->IsRenderView())
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continue;
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content::RenderViewHost* host =
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content::RenderViewHost::From(
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const_cast<content::RenderWidgetHost*>(widget));
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if (GetIdentifier(host) == identifier)
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return host;
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}
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}
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return NULL;
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}
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private:
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std::string random_seed_;
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};
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} // namespace
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CefDevToolsDelegate::CefDevToolsDelegate(
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int port,
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net::URLRequestContextGetter* context_getter) {
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devtools_http_handler_ = content::DevToolsHttpHandler::Start(
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new net::TCPListenSocketFactory("127.0.0.1", port),
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"",
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context_getter,
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this);
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binding_.reset(new CefDevToolsBindingHandler());
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devtools_http_handler_->SetRenderViewHostBinding(binding_.get());
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}
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CefDevToolsDelegate::~CefDevToolsDelegate() {
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}
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void CefDevToolsDelegate::Stop() {
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// The call below destroys this.
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devtools_http_handler_->Stop();
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}
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std::string CefDevToolsDelegate::GetDiscoveryPageHTML() {
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return content::GetContentClient()->GetDataResource(
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IDR_CEF_DEVTOOLS_DISCOVERY_PAGE, ui::SCALE_FACTOR_NONE).as_string();
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}
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bool CefDevToolsDelegate::BundlesFrontendResources() {
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return false;
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}
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std::string CefDevToolsDelegate::GetFrontendResourcesBaseURL() {
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return kChromeDevToolsURL;
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}
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std::string CefDevToolsDelegate::GetDevToolsURL(content::RenderViewHost* rvh,
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bool http_scheme) {
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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std::string port_str =
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command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
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DCHECK(!port_str.empty());
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int port;
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if (!base::StringToInt(port_str, &port))
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return std::string();
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std::string page_id = binding_->GetIdentifier(rvh);
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std::string host = http_scheme ?
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base::StringPrintf("http://localhost:%d/devtools/", port) :
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kChromeDevToolsURL;
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return base::StringPrintf(
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"%sdevtools.html?ws=localhost:%d/devtools/page/%s",
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host.c_str(),
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port,
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page_id.c_str());
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}
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