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
content / shell / browser / shell_devtools_manager_delegate.cc [blame]
// 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 "content/shell/browser/shell_devtools_manager_delegate.h"
#include <stdint.h>
#include <vector>
#include "base/atomicops.h"
#include "base/command_line.h"
#include "base/containers/contains.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/devtools_agent_host_client_channel.h"
#include "content/public/browser/devtools_socket_factory.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/user_agent.h"
#include "content/shell/browser/protocol/shell_devtools_session.h"
#include "content/shell/browser/shell.h"
#include "content/shell/common/shell_content_client.h"
#include "content/shell/common/shell_switches.h"
#include "content/shell/grit/shell_resources.h"
#include "net/base/net_errors.h"
#include "net/log/net_log_source.h"
#include "net/socket/tcp_server_socket.h"
#include "ui/base/resource/resource_bundle.h"
#if BUILDFLAG(IS_ANDROID)
#include "content/public/browser/android/devtools_auth.h"
#include "net/socket/unix_domain_server_socket_posix.h"
#endif
namespace content {
namespace {
const int kBackLog = 10;
base::subtle::Atomic32 g_last_used_port;
#if BUILDFLAG(IS_ANDROID)
class UnixDomainServerSocketFactory : public content::DevToolsSocketFactory {
public:
explicit UnixDomainServerSocketFactory(const std::string& socket_name)
: socket_name_(socket_name) {}
UnixDomainServerSocketFactory(const UnixDomainServerSocketFactory&) = delete;
UnixDomainServerSocketFactory& operator=(
const UnixDomainServerSocketFactory&) = delete;
private:
// content::DevToolsSocketFactory.
std::unique_ptr<net::ServerSocket> CreateForHttpServer() override {
std::unique_ptr<net::UnixDomainServerSocket> socket(
new net::UnixDomainServerSocket(
base::BindRepeating(&CanUserConnectToDevTools),
true /* use_abstract_namespace */));
if (socket->BindAndListen(socket_name_, kBackLog) != net::OK)
return nullptr;
return std::move(socket);
}
std::unique_ptr<net::ServerSocket> CreateForTethering(
std::string* out_name) override {
return nullptr;
}
std::string socket_name_;
};
#else
class TCPServerSocketFactory : public content::DevToolsSocketFactory {
public:
TCPServerSocketFactory(const std::string& address, uint16_t port)
: address_(address), port_(port) {}
TCPServerSocketFactory(const TCPServerSocketFactory&) = delete;
TCPServerSocketFactory& operator=(const TCPServerSocketFactory&) = delete;
private:
// content::DevToolsSocketFactory.
std::unique_ptr<net::ServerSocket> CreateForHttpServer() override {
std::unique_ptr<net::ServerSocket> socket(
new net::TCPServerSocket(nullptr, net::NetLogSource()));
if (socket->ListenWithAddressAndPort(address_, port_, kBackLog) != net::OK)
return nullptr;
net::IPEndPoint endpoint;
if (socket->GetLocalAddress(&endpoint) == net::OK)
base::subtle::NoBarrier_Store(&g_last_used_port, endpoint.port());
return socket;
}
std::unique_ptr<net::ServerSocket> CreateForTethering(
std::string* out_name) override {
return nullptr;
}
std::string address_;
uint16_t port_;
};
#endif
std::unique_ptr<content::DevToolsSocketFactory> CreateSocketFactory() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
#if BUILDFLAG(IS_ANDROID)
std::string socket_name = "content_shell_devtools_remote";
if (command_line.HasSwitch(switches::kRemoteDebuggingSocketName)) {
socket_name = command_line.GetSwitchValueASCII(
switches::kRemoteDebuggingSocketName);
}
return std::unique_ptr<content::DevToolsSocketFactory>(
new UnixDomainServerSocketFactory(socket_name));
#else
// See if the user specified a port on the command line (useful for
// automation). If not, use an ephemeral port by specifying 0.
uint16_t port = 0;
if (command_line.HasSwitch(switches::kRemoteDebuggingPort)) {
int temp_port;
std::string port_str =
command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
if (base::StringToInt(port_str, &temp_port) &&
temp_port >= 0 && temp_port < 65535) {
port = static_cast<uint16_t>(temp_port);
} else {
DLOG(WARNING) << "Invalid http debugger port number " << temp_port;
}
}
// By default listen to incoming DevTools connections on localhost.
std::string address_str = net::IPAddress::IPv4Localhost().ToString();
if (command_line.HasSwitch(switches::kRemoteDebuggingAddress)) {
net::IPAddress address;
address_str =
command_line.GetSwitchValueASCII(switches::kRemoteDebuggingAddress);
if (!address.AssignFromIPLiteral(address_str)) {
DLOG(WARNING) << "Invalid devtools server address: " << address_str;
}
}
return std::unique_ptr<content::DevToolsSocketFactory>(
new TCPServerSocketFactory(address_str, port));
#endif
}
} // namespace
// ShellDevToolsManagerDelegate ----------------------------------------------
// static
int ShellDevToolsManagerDelegate::GetHttpHandlerPort() {
return base::subtle::NoBarrier_Load(&g_last_used_port);
}
// static
void ShellDevToolsManagerDelegate::StartHttpHandler(
BrowserContext* browser_context) {
std::string frontend_url;
DevToolsAgentHost::StartRemoteDebuggingServer(
CreateSocketFactory(), browser_context->GetPath(), base::FilePath());
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kRemoteDebuggingPipe))
DevToolsAgentHost::StartRemoteDebuggingPipeHandler(base::OnceClosure());
}
// static
void ShellDevToolsManagerDelegate::StopHttpHandler() {
DevToolsAgentHost::StopRemoteDebuggingServer();
}
ShellDevToolsManagerDelegate::ShellDevToolsManagerDelegate(
BrowserContext* browser_context)
: browser_context_(browser_context) {
}
ShellDevToolsManagerDelegate::~ShellDevToolsManagerDelegate() {
}
BrowserContext* ShellDevToolsManagerDelegate::GetDefaultBrowserContext() {
return browser_context_;
}
void ShellDevToolsManagerDelegate::ClientAttached(
content::DevToolsAgentHostClientChannel* channel) {
// Make sure we don't receive notifications twice for the same client.
CHECK(!base::Contains(sessions_, channel));
sessions_.emplace(
channel,
std::make_unique<shell::protocol::ShellDevToolsSession>(
base::raw_ref<BrowserContext>::from_ptr(browser_context_), channel));
}
void ShellDevToolsManagerDelegate::ClientDetached(
content::DevToolsAgentHostClientChannel* channel) {
sessions_.erase(channel);
}
void ShellDevToolsManagerDelegate::HandleCommand(
content::DevToolsAgentHostClientChannel* channel,
base::span<const uint8_t> message,
NotHandledCallback callback) {
auto& session = sessions_.at(channel);
session->HandleCommand(message, std::move(callback));
}
scoped_refptr<DevToolsAgentHost> ShellDevToolsManagerDelegate::CreateNewTarget(
const GURL& url,
content::DevToolsManagerDelegate::TargetType target_type) {
Shell* shell = Shell::CreateNewWindow(browser_context_, url, nullptr,
Shell::GetShellDefaultSize());
return target_type == content::DevToolsManagerDelegate::kTab
? DevToolsAgentHost::GetOrCreateForTab(shell->web_contents())
: DevToolsAgentHost::GetOrCreateFor(shell->web_contents());
}
std::string ShellDevToolsManagerDelegate::GetDiscoveryPageHTML() {
#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_IOS)
return std::string();
#else
return ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
IDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE);
#endif
}
bool ShellDevToolsManagerDelegate::HasBundledFrontendResources() {
#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_IOS)
return false;
#else
return true;
#endif
}
} // namespace content