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merged xterm.html and xterm-pts.html

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made relevant code changes oin the server side as well
This commit is contained in:
hyung-hwan 2025-06-22 13:11:25 +09:00
parent 7835696166
commit d092540f08
9 changed files with 107 additions and 339 deletions
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3
Makefile
View File

@ -33,8 +33,7 @@ DATA = \
xterm.css \
xterm.js \
xterm-addon-fit.js \
xterm.html \
xterm-pts.html
xterm.html
CMD_DATA=\
cmd/rsa.key \

35
client-pts.go
View File

@ -11,6 +11,7 @@ import "os/user"
import "strconv"
import "sync"
import "syscall"
import "text/template"
import "github.com/creack/pty"
import "golang.org/x/net/websocket"
@ -276,7 +277,7 @@ done:
func (pts *client_pts_xterm_file) ServeHTTP(w http.ResponseWriter, req *http.Request) (int, error) {
var c *Client
var status_code int
// var err error
var err error
c = pts.c
@ -290,13 +291,27 @@ func (pts *client_pts_xterm_file) ServeHTTP(w http.ResponseWriter, req *http.Req
case "xterm.css":
status_code = WriteCssRespHeader(w, http.StatusOK)
w.Write(xterm_css)
case "xterm-pts.html":
status_code = WriteHtmlRespHeader(w, http.StatusOK)
if c.xterm_pts_html != "" {
w.Write([]byte(c.xterm_pts_html))
} else {
w.Write(xterm_pts_html)
}
case "xterm.html":
var tmpl *template.Template
tmpl = template.New("")
if c.xterm_html != "" {
_, err = tmpl.Parse(c.xterm_html)
} else {
_, err = tmpl.Parse(xterm_html)
}
if err != nil {
status_code = WriteEmptyRespHeader(w, http.StatusInternalServerError)
goto oops
} else {
status_code = WriteHtmlRespHeader(w, http.StatusOK)
tmpl.Execute(w,
&xterm_session_info{
Mode: "pts",
ConnId: "-1",
RouteId: "-1",
})
}
case "_forbidden":
status_code = WriteEmptyRespHeader(w, http.StatusForbidden)
@ -311,6 +326,6 @@ func (pts *client_pts_xterm_file) ServeHTTP(w http.ResponseWriter, req *http.Req
//done:
return status_code, nil
//oops:
// return status_code, err
oops:
return status_code, err
}

14
client.go
View File

@ -151,7 +151,7 @@ type Client struct {
pts_user string
pts_shell string
xterm_pts_html string
xterm_html string
}
type ClientConnState = int32
@ -1660,8 +1660,8 @@ func NewClient(ctx context.Context, name string, logger Logger, cfg *ClientConfi
c.WrapHttpHandler(&client_pts_xterm_file{client_ctl: client_ctl{c: &c, id: HS_ID_CTL}, file: "_notfound"}))
c.ctl_mux.Handle("/_pts/xterm.css",
c.WrapHttpHandler(&client_pts_xterm_file{client_ctl: client_ctl{c: &c, id: HS_ID_CTL}, file: "xterm.css"}))
c.ctl_mux.Handle("/_pts/xterm-pts.html",
c.WrapHttpHandler(&client_pts_xterm_file{client_ctl: client_ctl{c: &c, id: HS_ID_CTL}, file: "xterm-pts.html"}))
c.ctl_mux.Handle("/_pts/xterm.html",
c.WrapHttpHandler(&client_pts_xterm_file{client_ctl: client_ctl{c: &c, id: HS_ID_CTL}, file: "xterm.html"}))
c.ctl_mux.Handle("/_pts/",
c.WrapHttpHandler(&client_pts_xterm_file{client_ctl: client_ctl{c: &c, id: HS_ID_CTL}, file: "_forbidden"}))
c.ctl_mux.Handle("/_pts/favicon.ico",
@ -1977,12 +1977,12 @@ func (c *Client) ReqStop() {
}
}
func (c *Client) SetXtermPtsHtml(html string) {
c.xterm_pts_html = html
func (c *Client) SetXtermHtml(html string) {
c.xterm_html = html
}
func (c *Client) GetXtermPtsHtml() string {
return c.xterm_pts_html
func (c *Client) GetXtermHtml() string {
return c.xterm_html
}
func (c *Client) SetPtsUser(user string) {

2
cmd/config.go
View File

@ -107,7 +107,7 @@ type ClientAppConfig struct {
PeerConnTmout time.Duration `yaml:"peer-conn-timeout"`
PtsUser string `yaml:"pts-user"`
PtsShell string `yaml:"pts-shell"`
XtermPtsHtmlFile string `yaml:"xterm-pts-html-file"`
XtermHtmlFile string `yaml:"xterm-html-file"`
}
type ServerConfig struct {

16
cmd/main.go
View File

@ -254,8 +254,8 @@ func client_main(ctl_addrs []string, rpc_addrs []string, route_configs []string,
var logfile_rotate int
var pts_user string
var pts_shell string
var xterm_pts_html_file string
var xterm_pts_html string
var xterm_html_file string
var xterm_html string
var i int
var err error
@ -287,7 +287,7 @@ func client_main(ctl_addrs []string, rpc_addrs []string, route_configs []string,
logfile_rotate = cfg.APP.LogRotate
pts_user = cfg.APP.PtsUser
pts_shell = cfg.APP.PtsShell
xterm_pts_html_file = cfg.APP.XtermPtsHtmlFile
xterm_html_file = cfg.APP.XtermHtmlFile
config.RpcConnMax = cfg.APP.MaxRpcConns
config.PeerConnMax = cfg.APP.MaxPeers
config.PeerConnTmout = cfg.APP.PeerConnTmout
@ -313,20 +313,20 @@ func client_main(ctl_addrs []string, rpc_addrs []string, route_configs []string,
}
}
if xterm_pts_html_file != "" {
if xterm_html_file != "" {
var tmp []byte
tmp, err = os.ReadFile(xterm_pts_html_file)
tmp, err = os.ReadFile(xterm_html_file)
if err != nil {
return fmt.Errorf("failed to read %s - %s", xterm_pts_html_file, err.Error())
return fmt.Errorf("failed to read %s - %s", xterm_html_file, err.Error())
}
xterm_pts_html = string(tmp)
xterm_html = string(tmp)
}
c = hodu.NewClient(context.Background(), HODU_NAME, logger, config)
if pts_user != "" { c.SetPtsUser(pts_user) }
if pts_shell != "" { c.SetPtsShell(pts_shell) }
if xterm_pts_html != "" { c.SetXtermPtsHtml(xterm_pts_html) }
if xterm_html != "" { c.SetXtermHtml(xterm_html) }
c.StartService(&cc)
c.StartCtlService() // control channel

8
hodu.go
View File

@ -128,8 +128,12 @@ var xterm_addon_fit_js []byte
var xterm_css []byte
//go:embed xterm.html
var xterm_html string
//go:embed xterm-pts.html
var xterm_pts_html []byte
type xterm_session_info struct {
Mode string
ConnId string
RouteId string
}
// ---------------------------------------------------------

8
server-pxy.go
View File

@ -458,11 +458,6 @@ func (pxy *server_pxy_http_wpx) ServeHTTP(w http.ResponseWriter, req *http.Reque
}
// ------------------------------------
type server_pxy_xterm_session_info struct {
ConnId string
RouteId string
}
func (pxy *server_pxy_xterm_file) ServeHTTP(w http.ResponseWriter, req *http.Request) (int, error) {
var s *Server
var status_code int
@ -516,7 +511,8 @@ func (pxy *server_pxy_xterm_file) ServeHTTP(w http.ResponseWriter, req *http.Req
} else {
status_code = WriteHtmlRespHeader(w, http.StatusOK)
tmpl.Execute(w,
&server_pxy_xterm_session_info{
&xterm_session_info{
Mode: "ssh",
ConnId: conn_id,
RouteId: route_id,
})

286
xterm-pts.html
View File

@ -1,286 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Terminal</title>
<link rel="stylesheet" href="xterm.css" />
<style>
body {
margin: 0;
height: 100%;
}
#terminal-container {
display: flex;
flex-direction: column;
width: 100%;
height: 100vh;
}
#terminal-info-container {
vertical-align: middle;
padding: 3px;
}
#terminal-target {
display: inline-block;
height: 100%;
vertical-align: middle;
}
#terminal-status {
display: inline-block;
font-weight: bold;
height: 100%;
vertical-align: middle;
}
#terminal-errmsg {
display: inline-block;
color: red;
height: 100%;
vertical-align: middle;
}
#terminal-control {
display: inline-block;
height: 100%;
vertical-align: middle;
}
#terminal-control button {
vertical-align: middle;
}
#terminal-view-container {
flex: 1;
width: 100%;
min-height: 0;
/*height: 100%;*/
}
#login-container {
display: flex;
justify-content: center;
align-items: center;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 99999;
}
#login-form-container {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
text-align: center;
}
#login-form-title {
line-height: 2em;
font-size: 2em;
font-weight: bold;
}
</style>
<script src="xterm.js"></script>
<script src="xterm-addon-fit.js"></script>
<script>
window.onload = function(event) {
const terminal_container = document.getElementById('terminal-container');
const terminal_target = document.getElementById('terminal-target');
const terminal_status = document.getElementById('terminal-status');
const terminal_errmsg = document.getElementById('terminal-errmsg');
const terminal_view_container = document.getElementById('terminal-view-container');
const terminal_connect = document.getElementById('terminal-connect');
const terminal_disconnect = document.getElementById('terminal-disconnect');
const login_container = document.getElementById('login-container');
const login_form_title = document.getElementById('login-form-title');
const login_form = document.getElementById('login-form');
//const username_field = document.getElementById('username');
//const password_field= document.getElementById('password');
const term = new window.Terminal({
lineHeight: 1.2,
//fontSize: 14,
fontFamily: 'Ubuntu Mono, Consolas, SF Mono, courier-new, courier, monospace'
});
const fit_addon = new window.FitAddon.FitAddon();
const text_decoder = new TextDecoder();
term.loadAddon(fit_addon)
term.open(terminal_view_container);
let set_terminal_target = function(name) {
terminal_target.innerText = name;
login_form_title.innerText = name
}
let set_terminal_status = function(msg, errmsg) {
if (msg != null) terminal_status.innerText = msg;
if (errmsg != null) terminal_errmsg.innerText = errmsg
}
let adjust_terminal_size_unconnected = function() {
fit_addon.fit();
}
let fetch_session_info = async function() {
let url = window.location.protocol + '//' + window.location.host;
let pathname = window.location.pathname;
pathname = pathname.replace(/\/$/, '');
pathname = pathname.substring(0, pathname.lastIndexOf('/'));
url += pathname + `/session-info`;
try {
const resp = await fetch(url);
if (!resp.ok) throw new Error(`HTTP error in getting session info - status ${resp.status}`);
const route = await resp.json()
if ('client-peer-name' in route) {
set_terminal_target(route['client-peer-name']) // change to the name
document.title = route['client-peer-name']
}
} catch (e) {
set_terminal_target('');
document.title = '';
set_terminal_status (null, e);
}
}
let toggle_login_form = function(visible) {
//if (visible) fetch_session_info();
login_container.style.visibility = (visible? 'visible': 'hidden');
terminal_disconnect.style.visibility = (visible? 'hidden': 'visible');
//if (visible) username_field.focus();
//else term.focus();
if (visible) terminal_connect.focus();
else term.focus();
}
toggle_login_form(true);
window.onresize = adjust_terminal_size_unconnected;
adjust_terminal_size_unconnected()
login_form.onsubmit = async function(event) {
event.preventDefault();
toggle_login_form(false)
const username = "" //username_field.value.trim();
const password = "" //password_field.value.trim();
const prefix = window.location.protocol === 'https:' ? 'wss://' : 'ws://';
let pathname = window.location.pathname;
pathname = pathname.replace(/\/$/, '');
pathname = pathname.substring(0, pathname.lastIndexOf('/'));
let url = prefix + window.location.host + pathname + `/ws`;
const socket = new WebSocket(url);
socket.binaryType = 'arraybuffer';
set_terminal_status('Connecting...', '');
const adjust_terminal_size_connected = function() {
fit_addon.fit();
if (socket.readyState == 1) // if open
socket.send(JSON.stringify({ type: 'size', data: [term.rows.toString(), term.cols.toString()] }));
};
socket.onopen = function () {
socket.send(JSON.stringify({ type: 'open', data: [username, password]}));
};
socket.onmessage = function(event) {
try {
let event_text;
event_text = (typeof event.data === 'string')? event.data: text_decoder.decode(new Uint8Array(event.data));
const msg = JSON.parse(event_text);
if (msg.type == "iov") {
for (const data of msg.data) term.write(data);
} else if (msg.type == "status") {
if (msg.data.length >= 1) {
if (msg.data[0] == 'opened') {
set_terminal_status('Connected', '');
adjust_terminal_size_connected()
term.clear()
} else if (msg.data[0] == 'closed') {
// doesn't really matter
// socket.onclose() will be executed anyway
}
}
} else if (msg.type == "error") {
toggle_login_form(true);
window.onresize = adjust_terminal_size_unconnected;
set_terminal_status(null, msg.data.join(' '))
}
} catch (e) {
set_terminal_status('Disconnected', e);
toggle_login_form(true)
window.onresize = adjust_terminal_size_unconnected;
}
};
socket.onerror = function(event) {
//set_terminal_status('Disconnected', event);
set_terminal_status('Disconnected', '');
toggle_login_form(true)
window.onresize = adjust_terminal_size_unconnected;
};
socket.onclose = function() {
set_terminal_status('Disconnected', null);
toggle_login_form(true)
window.onresize = adjust_terminal_size_unconnected;
};
term.onData(function(data) {
if (socket.readyState == 1) // if open
socket.send(JSON.stringify({ type: 'iov', data: [data] }));
});
window.onresize = adjust_terminal_size_connected;
terminal_disconnect.onclick = function(event) {
socket.send(JSON.stringify({ type: 'close', data: [""] }));
//socket.close()
};
}
};
</script>
</head>
<body>
<div id="login-container">
<div id="login-form-container">
<div id="login-form-title"></div>
<form id="login-form">
<!-- <label>
Username: <input type="text" id="username" required />
</label>
<br /><br />
<label>
Password: <input type="password" id="password" required />
</label> -->
Click Connect below to start a new terminal session
<br /><br />
<button type="submit" id="terminal-connect">Connect</button>
</form>
</div>
</div>
<div id="terminal-container">
<div id="terminal-info-container">
<div id="terminal-target"></div>
<div id="terminal-status"></div>
<div id="terminal-errmsg"></div>
<div id="terminal-control">
<button id="terminal-disconnect" type="button">Disconnect</button>
</div>
</div>
<div id="terminal-view-container"></div>
</div>
</body>
</html>

74
xterm.html
View File

@ -90,6 +90,7 @@
<script src="xterm-addon-fit.js"></script>
<script>
const xt_mode = '{{ .Mode }}';
const conn_id = '{{ .ConnId }}';
const route_id = '{{ .RouteId }}';
@ -99,13 +100,28 @@ window.onload = function(event) {
const terminal_status = document.getElementById('terminal-status');
const terminal_errmsg = document.getElementById('terminal-errmsg');
const terminal_view_container = document.getElementById('terminal-view-container');
const terminal_connect = document.getElementById('terminal-connect');
const terminal_disconnect = document.getElementById('terminal-disconnect');
const login_container = document.getElementById('login-container');
const login_form_title = document.getElementById('login-form-title');
const login_form = document.getElementById('login-form');
const login_ssh_part = document.getElementById('login-ssh-part');
const login_pts_part = document.getElementById('login-pts-part');
const username_field = document.getElementById('username');
const password_field= document.getElementById('password');
if (xt_mode == 'ssh') {
login_ssh_part.style.display = 'block';
username_field.disabled = false;
password_field.disabled = false;
login_pts_part.style.display = 'none';
} else {
login_ssh_part.style.display = 'none';
username_field.disabled = true;
password_field.disabled = true;
login_pts_part.style.display = 'block';
}
const term = new window.Terminal({
lineHeight: 1.2,
//fontSize: 14,
@ -136,11 +152,19 @@ window.onload = function(event) {
let pathname = window.location.pathname;
pathname = pathname.replace(/\/$/, '');
pathname = pathname.substring(0, pathname.lastIndexOf('/'));
url += pathname + `/server-conns/${conn_id}/routes/${route_id}`;
if (xt_mode == 'ssh')
url += pathname + `/server-conns/${conn_id}/routes/${route_id}`;
else
url += pathname + `/session-info`;
try {
const resp = await fetch(url);
if (!resp.ok) throw new Error(`HTTP error in getting route(${conn_id},${route_id}) info - status ${resp.status}`);
if (!resp.ok) {
if (xt_mode == 'ssh')
throw new Error(`HTTP error in getting route(${conn_id},${route_id}) information - status ${resp.status}`);
else
throw new Error(`HTTP error in getting session information - status ${resp.status}`);
}
const route = await resp.json()
if ('client-peer-name' in route) {
set_terminal_target(route['client-peer-name']) // change to the name
@ -154,11 +178,15 @@ window.onload = function(event) {
}
let toggle_login_form = function(visible) {
if (visible) fetch_session_info();
if (visible && xt_mode == 'ssh') fetch_session_info();
login_container.style.visibility = (visible? 'visible': 'hidden');
terminal_disconnect.style.visibility = (visible? 'hidden': 'visible');
if (visible) username_field.focus();
else term.focus();
if (visible) {
if (xt_mode == 'ssh') username_field.focus();
else terminal_connect.focus();
} else {
term.focus();
}
}
toggle_login_form(true);
@ -169,14 +197,20 @@ window.onload = function(event) {
event.preventDefault();
toggle_login_form(false)
const username = username_field.value.trim();
const password = password_field.value.trim();
let username = '';
let password = '';
if (xt_mode == 'ssh') {
username = username_field.value.trim();
password = password_field.value.trim();
}
const prefix = window.location.protocol === 'https:' ? 'wss://' : 'ws://';
let pathname = window.location.pathname;
pathname = pathname.replace(/\/$/, '');
pathname = pathname.substring(0, pathname.lastIndexOf('/'));
let url = prefix + window.location.host + pathname + `/ws/${conn_id}/${route_id}`;
let url = prefix + window.location.host + pathname;
url += (xt_mode == 'ssh'? `/ws/${conn_id}/${route_id}`: `/ws`);
const socket = new WebSocket(url);
socket.binaryType = 'arraybuffer';
@ -257,15 +291,21 @@ window.onload = function(event) {
<div id="login-form-container">
<div id="login-form-title"></div>
<form id="login-form">
<label>
Username: <input type="text" id="username" required />
</label>
<br /><br />
<label>
Password: <input type="password" id="password" required />
</label>
<br /><br />
<button type="submit">Connect</button>
<div id="login-ssh-part" style="display: none;">
<label>
Username: <input type="text" id="username" disabled required />
</label>
<br /><br />
<label>
Password: <input type="password" id="password" disabled required />
</label>
</div>
<div id="login-pts-part" style="display: none;">
Click Connect below to start a new terminal session
</div>
<div id="login-submit-part" style="padding-top: 1em;">
<button type="submit" id="terminal-connect">Connect</button>
</div>
</form>
</div>
</div>