Add minimal OpenIM web test clients

pull/3709/head
frankyu130 1 week ago
parent d16a617ba8
commit c17a2cd9a0

@ -0,0 +1,33 @@
#!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
MODE="${1:-before-rpc}"
case "$MODE" in
gateway)
export OPENIM_WS_BREAK_ON_SEND=1
;;
before-rpc)
export OPENIM_WS_BREAK_BEFORE_SENDMSG_RPC=1
;;
after-rpc)
export OPENIM_WS_BREAK_AFTER_SENDMSG_RPC=1
;;
*)
echo "usage: $0 [gateway|before-rpc|after-rpc]" >&2
exit 1
;;
esac
if [ -d /opt/homebrew/opt/openjdk ]; then
export JAVA_HOME=/opt/homebrew/opt/openjdk
export PATH="/opt/homebrew/bin:$JAVA_HOME/bin:$PATH"
fi
export PATH="$HOME/go/bin:$PATH"
cd "$ROOT_DIR"
exec dlv debug ./cmd -- -c ./config

@ -1,2 +1,49 @@
# OpenIM Web E2E
Minimal local web page for exercising OpenIM HTTP message APIs from a browser.
Usage:
```bash
cd /Users/ren_yu/open-source/open-im-server/test/e2e/web
python3 -m http.server 18080
```
Open [http://127.0.0.1:18080](http://127.0.0.1:18080) after the OpenIM server is running.
Pages:
- `http://127.0.0.1:18080/` - token and message API tester
- `http://127.0.0.1:18080/chat.html` - simplest dev chat client
- `http://127.0.0.1:18080/ws-demo.html` - simplest native browser OpenIM WS client
Default local endpoints:
- API: `http://127.0.0.1:10002`
- WebSocket gateway: `ws://127.0.0.1:10001`
Defaults from this repo:
- admin user ID: `imAdmin`
- secret: `openIM123`
Notes:
- `/auth/get_admin_token` requires the admin user to already exist.
- `/msg/send_msg` requires an admin token in the `token` header.
- The included page currently sends plain text messages through `/msg/send_msg`.
- `chat.html` is a development-only client: it uses admin-backed APIs to send and search messages between two users.
- `ws-demo.html` performs a real browser WebSocket handshake and sends OpenIM WS envelopes over binary frames.
- The WS gateway in this repo currently expects `isBackground=false` in the query string; omitting it causes the handshake to fail before upgrade.
Debugging:
```bash
cd /Users/ren_yu/open-source/open-im-server
./scripts/debug_msggateway_ws.sh before-rpc
```
- `gateway` stops at the WS gateway after the envelope is decoded.
- `before-rpc` stops right before `g.msgClient.MsgClient.SendMsg(...)`.
- `after-rpc` stops right after `g.msgClient.MsgClient.SendMsg(...)` returns.
- These breakpoints only apply to `ws-demo.html`, not `chat.html` or `/msg/send_msg`.

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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>OpenIM Simple Chat Client</title>
<style>
:root {
--bg: #f2efe8;
--panel: rgba(255, 250, 242, 0.92);
--panel-strong: #fffdf8;
--border: #d6c6aa;
--text: #1f1a14;
--muted: #665b4d;
--accent: #b55637;
--accent-2: #23516b;
--accent-soft: #f4ddcf;
--bubble-self: #284b63;
--bubble-peer: #e9dcc5;
--ok: #1b6a56;
--err: #a2332a;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
min-height: 100vh;
font-family: "Avenir Next", "Segoe UI", sans-serif;
color: var(--text);
background:
radial-gradient(circle at top left, rgba(181, 86, 55, 0.12), transparent 28%),
radial-gradient(circle at bottom right, rgba(35, 81, 107, 0.16), transparent 30%),
linear-gradient(180deg, #f7f3eb, var(--bg));
}
main {
max-width: 1280px;
margin: 0 auto;
padding: 24px 16px 40px;
}
.header {
margin-bottom: 18px;
}
h1 {
margin: 0 0 8px;
font-size: clamp(30px, 4vw, 46px);
line-height: 1;
letter-spacing: -0.04em;
}
.lead {
margin: 0;
max-width: 860px;
color: var(--muted);
line-height: 1.5;
}
.layout {
display: grid;
grid-template-columns: 360px minmax(0, 1fr);
gap: 16px;
}
.panel {
background: var(--panel);
border: 1px solid var(--border);
border-radius: 22px;
box-shadow: 0 16px 40px rgba(31, 27, 22, 0.06);
}
.sidebar {
padding: 18px;
}
.chat-shell {
display: grid;
grid-template-rows: auto auto minmax(420px, 1fr) auto;
overflow: hidden;
}
.section + .section {
margin-top: 18px;
}
h2 {
margin: 0 0 12px;
font-size: 16px;
}
label {
display: block;
margin-bottom: 6px;
font-size: 13px;
color: var(--muted);
}
input,
textarea {
width: 100%;
border: 1px solid var(--border);
background: var(--panel-strong);
border-radius: 14px;
padding: 11px 12px;
color: var(--text);
font: inherit;
}
textarea {
min-height: 92px;
resize: vertical;
}
.grid {
display: grid;
gap: 12px;
}
.grid.two {
grid-template-columns: 1fr 1fr;
}
.actions {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 12px;
}
button {
border: 0;
border-radius: 999px;
padding: 10px 16px;
font: inherit;
color: white;
cursor: pointer;
background: var(--accent);
}
button.alt {
background: var(--accent-2);
}
button.ghost {
background: #6d624f;
}
button:disabled {
opacity: 0.6;
cursor: progress;
}
.status {
margin-top: 12px;
border-radius: 14px;
padding: 12px 14px;
background: #f4ecdf;
font-size: 13px;
line-height: 1.5;
}
.status.ok {
color: var(--ok);
}
.status.err {
color: var(--err);
}
.note {
color: var(--muted);
font-size: 13px;
line-height: 1.5;
}
.topbar {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
padding: 18px 18px 14px;
border-bottom: 1px solid rgba(214, 198, 170, 0.8);
}
.room-title {
font-size: 20px;
font-weight: 600;
}
.room-meta {
color: var(--muted);
font-size: 13px;
}
.sender-bar {
display: flex;
gap: 10px;
padding: 14px 18px;
border-bottom: 1px solid rgba(214, 198, 170, 0.65);
background: rgba(255, 248, 238, 0.85);
}
.sender-chip {
border-radius: 999px;
padding: 10px 14px;
border: 1px solid var(--border);
background: white;
color: var(--text);
}
.sender-chip.active {
background: var(--accent-soft);
border-color: color-mix(in srgb, var(--accent) 35%, white);
color: #6e2f19;
font-weight: 600;
}
.messages {
padding: 18px;
overflow: auto;
display: flex;
flex-direction: column;
gap: 12px;
min-height: 420px;
max-height: 65vh;
}
.empty {
margin: auto;
max-width: 440px;
text-align: center;
color: var(--muted);
line-height: 1.6;
}
.msg {
max-width: min(72%, 640px);
padding: 12px 14px;
border-radius: 18px;
box-shadow: 0 8px 18px rgba(31, 27, 22, 0.05);
}
.msg.self {
align-self: flex-end;
background: var(--bubble-self);
color: white;
border-bottom-right-radius: 6px;
}
.msg.peer {
align-self: flex-start;
background: var(--bubble-peer);
color: var(--text);
border-bottom-left-radius: 6px;
}
.msg-head {
display: flex;
justify-content: space-between;
gap: 12px;
margin-bottom: 6px;
font-size: 12px;
opacity: 0.86;
}
.msg-body {
white-space: pre-wrap;
word-break: break-word;
line-height: 1.45;
}
.composer {
display: grid;
grid-template-columns: minmax(0, 1fr) auto;
gap: 12px;
padding: 16px 18px 18px;
border-top: 1px solid rgba(214, 198, 170, 0.8);
background: rgba(255, 248, 238, 0.9);
}
.composer textarea {
min-height: 78px;
}
.debug {
margin-top: 12px;
padding: 12px 14px;
border-radius: 14px;
background: #f7f1e8;
color: var(--muted);
font-family: "SFMono-Regular", "Consolas", monospace;
font-size: 12px;
line-height: 1.5;
white-space: pre-wrap;
word-break: break-word;
}
@media (max-width: 980px) {
.layout {
grid-template-columns: 1fr;
}
}
@media (max-width: 640px) {
.grid.two,
.composer {
grid-template-columns: 1fr;
}
.msg {
max-width: 88%;
}
}
</style>
</head>
<body>
<main>
<div class="header">
<h1>OpenIM Simple Chat Client</h1>
<p class="lead">
这是一个最小开发态聊天客户端。它用 admin token 代发消息、用搜索接口轮询消息列表,
目的是让你先在本地把“能聊起来”这件事跑通。它不等价于正式客户端,不做权限隔离。
</p>
</div>
<div class="layout">
<aside class="panel sidebar">
<div class="section">
<h2>连接</h2>
<div class="grid">
<div>
<label for="apiBase">API Base URL</label>
<input id="apiBase" value="http://127.0.0.1:10002" />
</div>
<div>
<label for="operationID">Operation ID</label>
<input id="operationID" />
</div>
</div>
</div>
<div class="section">
<h2>管理员</h2>
<div class="grid two">
<div>
<label for="adminUserID">Admin User ID</label>
<input id="adminUserID" value="imAdmin" />
</div>
<div>
<label for="adminSecret">Secret</label>
<input id="adminSecret" value="openIM123" />
</div>
</div>
</div>
<div class="section">
<h2>聊天双方</h2>
<div class="grid two">
<div>
<label for="userA">User A</label>
<input id="userA" value="user_1" />
</div>
<div>
<label for="userB">User B</label>
<input id="userB" value="user_2" />
</div>
</div>
<div class="actions">
<button id="bootstrapBtn">连接并初始化</button>
<button class="alt" id="refreshBtn">刷新消息</button>
<button class="ghost" id="togglePollBtn">暂停轮询</button>
</div>
<div class="note" style="margin-top: 10px">
“连接并初始化”会做三件事:拿 admin token、确保 `user_1` / `user_2`
存在、拉取当前聊天记录。
</div>
<div id="status" class="status"><pre>Ready.</pre></div>
</div>
<div class="section">
<h2>调试</h2>
<div id="debug" class="debug">Waiting for first request.</div>
</div>
</aside>
<section class="panel chat-shell">
<div class="topbar">
<div>
<div class="room-title">双人单聊</div>
<div class="room-meta" id="roomMeta">未连接</div>
</div>
<div class="room-meta" id="pollMeta">轮询中</div>
</div>
<div class="sender-bar">
<button class="sender-chip active" id="senderABtn" type="button">当前发送者: user_1</button>
<button class="sender-chip" id="senderBBtn" type="button">切到 user_2 发送</button>
</div>
<div class="messages" id="messages">
<div class="empty">
还没有消息。先点左侧“连接并初始化”,然后选择发送者发第一条消息。
</div>
</div>
<div class="composer">
<textarea id="composer" placeholder="输入消息,按按钮发送"></textarea>
<button id="sendBtn" type="button">发送消息</button>
</div>
</section>
</div>
</main>
<script>
const $ = (id) => document.getElementById(id);
const els = {
apiBase: $("apiBase"),
operationID: $("operationID"),
adminUserID: $("adminUserID"),
adminSecret: $("adminSecret"),
userA: $("userA"),
userB: $("userB"),
bootstrapBtn: $("bootstrapBtn"),
refreshBtn: $("refreshBtn"),
togglePollBtn: $("togglePollBtn"),
senderABtn: $("senderABtn"),
senderBBtn: $("senderBBtn"),
status: $("status"),
debug: $("debug"),
messages: $("messages"),
roomMeta: $("roomMeta"),
pollMeta: $("pollMeta"),
composer: $("composer"),
sendBtn: $("sendBtn"),
};
const state = {
adminToken: "",
activeSender: "A",
polling: true,
pollTimer: null,
lastMessageKey: "",
};
function ensureOperationID() {
if (!els.operationID.value.trim()) {
els.operationID.value = `chat-${Date.now()}`;
}
return els.operationID.value.trim();
}
function currentUser() {
return state.activeSender === "A" ? els.userA.value.trim() : els.userB.value.trim();
}
function peerUser() {
return state.activeSender === "A" ? els.userB.value.trim() : els.userA.value.trim();
}
function setStatus(message, type = "ok") {
els.status.className = `status ${type}`;
els.status.innerHTML = `<pre>${message}</pre>`;
}
function setDebug(value) {
els.debug.textContent = typeof value === "string" ? value : JSON.stringify(value, null, 2);
}
function setBusy(button, busy) {
button.disabled = busy;
}
async function postJSON(path, body, token = "") {
const operationID = ensureOperationID();
const url = `${els.apiBase.value.replace(/\/$/, "")}${path}`;
const headers = {
"Content-Type": "application/json",
operationID,
...(token ? { token } : {}),
};
setDebug({ url, headers, body });
const response = await fetch(url, {
method: "POST",
headers,
body: JSON.stringify(body),
});
const text = await response.text();
let data;
try {
data = JSON.parse(text);
} catch {
data = { raw: text };
}
if (!response.ok || data.errCode) {
throw new Error(data.errDlt || data.errMsg || `HTTP ${response.status}`);
}
return data.data;
}
async function fetchAdminToken() {
const data = await postJSON("/auth/get_admin_token", {
secret: els.adminSecret.value.trim(),
userID: els.adminUserID.value.trim(),
});
state.adminToken = data.token;
}
async function ensureUsers() {
try {
await postJSON(
"/user/user_register",
{
users: [
{ userID: els.userA.value.trim(), nickname: "User A" },
{ userID: els.userB.value.trim(), nickname: "User B" },
],
},
state.adminToken
);
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
if (!message.includes("registered already")) {
throw error;
}
}
}
async function searchDirection(sendID, recvID) {
const data = await postJSON(
"/msg/search_msg",
{
sendID,
recvID,
sessionType: 1,
pagination: {
pageNumber: 1,
showNumber: 50,
},
},
state.adminToken
);
return data.chatLogs || [];
}
function decodeTextContent(chatLog) {
if (!chatLog) return "";
if (chatLog.contentType !== 101 || !chatLog.content) {
return `[contentType=${chatLog.contentType}]`;
}
try {
const parsed = JSON.parse(chatLog.content);
return parsed.content || chatLog.content;
} catch {
return chatLog.content;
}
}
function normalizeChatLogs(chatLogs) {
return chatLogs
.map((item) => item.chatLog)
.filter(Boolean)
.map((log) => ({
key: log.serverMsgID || `${log.clientMsgID}-${log.sendTime}`,
sender: log.sendID,
receiver: log.recvID,
sendTime: Number(log.sendTime || 0),
text: decodeTextContent(log),
}))
.sort((a, b) => a.sendTime - b.sendTime);
}
async function loadMessages() {
if (!state.adminToken) {
throw new Error("admin token is missing");
}
const a = els.userA.value.trim();
const b = els.userB.value.trim();
const [ab, ba] = await Promise.all([searchDirection(a, b), searchDirection(b, a)]);
const merged = normalizeChatLogs([...ab, ...ba]);
renderMessages(merged);
}
function formatTime(ts) {
if (!ts) return "";
return new Date(ts).toLocaleTimeString("zh-CN", {
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
});
}
function renderMessages(messages) {
els.roomMeta.textContent = `${els.userA.value.trim()} <-> ${els.userB.value.trim()}`;
if (!messages.length) {
els.messages.innerHTML = `
<div class="empty">
当前这两个用户之间还没有查到消息。发送第一条后会自动刷新。
</div>
`;
return;
}
const html = messages
.map((msg) => {
const css = msg.sender === currentUser() ? "self" : "peer";
return `
<div class="msg ${css}">
<div class="msg-head">
<span>${msg.sender}</span>
<span>${formatTime(msg.sendTime)}</span>
</div>
<div class="msg-body">${escapeHTML(msg.text)}</div>
</div>
`;
})
.join("");
const nextKey = messages[messages.length - 1]?.key || "";
const shouldStickBottom = !state.lastMessageKey || nextKey !== state.lastMessageKey;
state.lastMessageKey = nextKey;
els.messages.innerHTML = html;
if (shouldStickBottom) {
els.messages.scrollTop = els.messages.scrollHeight;
}
}
function escapeHTML(value) {
return value
.replaceAll("&", "&amp;")
.replaceAll("<", "&lt;")
.replaceAll(">", "&gt;");
}
async function sendMessage() {
const text = els.composer.value.trim();
if (!text) {
throw new Error("message content is empty");
}
await postJSON(
"/msg/send_msg",
{
sendID: currentUser(),
recvID: peerUser(),
sessionType: 1,
contentType: 101,
content: {
content: text,
},
},
state.adminToken
);
els.composer.value = "";
await loadMessages();
}
function setActiveSender(which) {
state.activeSender = which;
const a = els.userA.value.trim();
const b = els.userB.value.trim();
els.senderABtn.textContent = `当前发送者: ${which === "A" ? a : b}`;
els.senderBBtn.textContent = `切到 ${which === "A" ? b : a} 发送`;
els.senderABtn.classList.toggle("active", which === "A");
els.senderBBtn.classList.toggle("active", which === "B");
}
function startPolling() {
stopPolling();
state.polling = true;
els.pollMeta.textContent = "轮询中";
els.togglePollBtn.textContent = "暂停轮询";
state.pollTimer = setInterval(() => {
loadMessages().catch((error) => {
setStatus(error instanceof Error ? error.message : String(error), "err");
});
}, 2000);
}
function stopPolling() {
if (state.pollTimer) {
clearInterval(state.pollTimer);
state.pollTimer = null;
}
state.polling = false;
els.pollMeta.textContent = "轮询已暂停";
els.togglePollBtn.textContent = "恢复轮询";
}
async function bootstrap() {
await fetchAdminToken();
await ensureUsers();
await loadMessages();
}
async function run(button, fn, okText) {
try {
setBusy(button, true);
setStatus("Running...", "ok");
await fn();
setStatus(okText, "ok");
} catch (error) {
setStatus(error instanceof Error ? error.message : String(error), "err");
} finally {
setBusy(button, false);
}
}
els.bootstrapBtn.addEventListener("click", () => run(els.bootstrapBtn, bootstrap, "Chat client is ready."));
els.refreshBtn.addEventListener("click", () => run(els.refreshBtn, loadMessages, "Messages refreshed."));
els.sendBtn.addEventListener("click", () => run(els.sendBtn, sendMessage, "Message sent."));
els.senderABtn.addEventListener("click", () => setActiveSender("A"));
els.senderBBtn.addEventListener("click", () => setActiveSender(state.activeSender === "A" ? "B" : "A"));
els.togglePollBtn.addEventListener("click", () => {
if (state.polling) {
stopPolling();
} else {
startPolling();
}
});
ensureOperationID();
setActiveSender("A");
startPolling();
</script>
</body>
</html>

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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>OpenIM Local Message Tester</title>
<style>
:root {
--bg: #f4f1ea;
--panel: #fffaf2;
--panel-2: #f0e7d8;
--border: #d8c8aa;
--text: #1f1b16;
--muted: #645948;
--accent: #b24c2f;
--accent-2: #284b63;
--ok: #1e6f5c;
--err: #aa2e25;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: "Avenir Next", "Segoe UI", sans-serif;
color: var(--text);
background:
radial-gradient(circle at top left, rgba(178, 76, 47, 0.12), transparent 30%),
radial-gradient(circle at bottom right, rgba(40, 75, 99, 0.16), transparent 35%),
linear-gradient(180deg, #f8f3ea 0%, var(--bg) 100%);
}
main {
max-width: 1100px;
margin: 0 auto;
padding: 32px 20px 48px;
}
h1 {
margin: 0 0 8px;
font-size: clamp(28px, 4vw, 44px);
line-height: 1.05;
letter-spacing: -0.03em;
}
p.lead {
margin: 0 0 24px;
max-width: 760px;
color: var(--muted);
line-height: 1.5;
}
.grid {
display: grid;
grid-template-columns: repeat(12, 1fr);
gap: 16px;
}
.card {
grid-column: span 12;
background: color-mix(in srgb, var(--panel) 92%, white);
border: 1px solid var(--border);
border-radius: 18px;
padding: 18px;
box-shadow: 0 10px 30px rgba(31, 27, 22, 0.06);
}
.card.half {
grid-column: span 6;
}
.card h2 {
margin: 0 0 14px;
font-size: 18px;
}
.row {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 12px;
}
.row.single {
grid-template-columns: 1fr;
}
label {
display: block;
margin-bottom: 6px;
font-size: 13px;
color: var(--muted);
}
input,
textarea,
select {
width: 100%;
padding: 11px 12px;
border-radius: 12px;
border: 1px solid var(--border);
background: #fffdf8;
color: var(--text);
font: inherit;
}
textarea {
min-height: 120px;
resize: vertical;
}
.actions {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 14px;
}
button {
border: 0;
border-radius: 999px;
padding: 10px 16px;
font: inherit;
cursor: pointer;
color: white;
background: var(--accent);
transition: transform 120ms ease, opacity 120ms ease;
}
button.alt {
background: var(--accent-2);
}
button.ghost {
background: #73624d;
}
button:hover {
transform: translateY(-1px);
}
button:disabled {
opacity: 0.6;
cursor: progress;
transform: none;
}
.hint {
margin-top: 10px;
font-size: 13px;
color: var(--muted);
line-height: 1.45;
}
.status {
margin-top: 14px;
padding: 12px 14px;
border-radius: 12px;
font-size: 14px;
background: var(--panel-2);
}
.status.ok {
color: var(--ok);
border: 1px solid color-mix(in srgb, var(--ok) 28%, white);
}
.status.err {
color: var(--err);
border: 1px solid color-mix(in srgb, var(--err) 28%, white);
}
pre {
margin: 0;
white-space: pre-wrap;
word-break: break-word;
font-family: "SFMono-Regular", "Consolas", monospace;
font-size: 12px;
line-height: 1.5;
}
@media (max-width: 860px) {
.card.half {
grid-column: span 12;
}
.row {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
<main>
<h1>OpenIM Local Message Tester</h1>
<p class="lead">
这个页面只依赖浏览器和本地 OpenIM HTTP API。默认对接
<code>http://127.0.0.1:10002</code>,用于快速拿 token、发文本消息、查看原始响应。
</p>
<div class="grid">
<section class="card half">
<h2>连接配置</h2>
<div class="row">
<div>
<label for="apiBase">API Base URL</label>
<input id="apiBase" value="http://127.0.0.1:10002" />
</div>
<div>
<label for="wsBase">WebSocket Gateway</label>
<input id="wsBase" value="ws://127.0.0.1:10001" />
</div>
</div>
<div class="row single" style="margin-top: 12px">
<div>
<label for="operationID">Operation ID</label>
<input id="operationID" />
</div>
</div>
<div class="hint">
当前页面实际调用的是 HTTP API。WebSocket 地址先展示出来,后续如果你要测推送回包,可以直接在这个页面上扩展。
</div>
</section>
<section class="card half">
<h2>管理员 Token</h2>
<div class="row">
<div>
<label for="adminUserID">Admin User ID</label>
<input id="adminUserID" value="imAdmin" />
</div>
<div>
<label for="adminSecret">Secret</label>
<input id="adminSecret" value="openIM123" />
</div>
</div>
<div class="row single" style="margin-top: 12px">
<div>
<label for="adminToken">Admin Token</label>
<textarea id="adminToken" placeholder="点击按钮自动获取,或手动粘贴"></textarea>
</div>
</div>
<div class="actions">
<button id="getAdminTokenBtn">获取 Admin Token</button>
</div>
<div class="hint">
这里命中 <code>/auth/get_admin_token</code>。注意:
<code>imAdmin</code> 必须已经在你的本地环境里存在。
</div>
</section>
<section class="card">
<h2>用户 Token</h2>
<div class="row">
<div>
<label for="userID">User ID</label>
<input id="userID" placeholder="例如 user_1" />
</div>
<div>
<label for="platformID">Platform ID</label>
<input id="platformID" type="number" value="5" />
</div>
</div>
<div class="row single" style="margin-top: 12px">
<div>
<label for="userToken">User Token</label>
<textarea id="userToken" placeholder="可选,用于单独验证 token 获取链路"></textarea>
</div>
</div>
<div class="actions">
<button class="alt" id="getUserTokenBtn">获取 User Token</button>
</div>
<div class="hint">
这里命中 <code>/auth/get_user_token</code>,请求头使用上面的 admin token。
页面发消息本身不依赖 user token。
</div>
</section>
<section class="card">
<h2>发送文本消息</h2>
<div class="row">
<div>
<label for="sendID">Send ID</label>
<input id="sendID" value="imAdmin" />
</div>
<div>
<label for="recvID">Recv ID</label>
<input id="recvID" placeholder="例如 user_2" />
</div>
</div>
<div class="row" style="margin-top: 12px">
<div>
<label for="sessionType">Session Type</label>
<select id="sessionType">
<option value="1" selected>1 - SingleChatType</option>
</select>
</div>
<div>
<label for="contentType">Content Type</label>
<select id="contentType">
<option value="101" selected>101 - Text</option>
</select>
</div>
</div>
<div class="row single" style="margin-top: 12px">
<div>
<label for="textContent">Text Content</label>
<textarea id="textContent">hello from localhost web</textarea>
</div>
</div>
<div class="actions">
<button id="sendTextBtn">发送文本消息</button>
</div>
<div class="hint">
这里命中 <code>/msg/send_msg</code>,当前只封装最简单的文本消息格式:
<code>{"content":{"content":"..."}}</code>
</div>
</section>
<section class="card">
<h2>状态</h2>
<div id="status" class="status"><pre>Ready.</pre></div>
</section>
<section class="card">
<h2>最后一次请求</h2>
<pre id="lastRequest">{}</pre>
</section>
<section class="card">
<h2>最后一次响应</h2>
<pre id="lastResponse">{}</pre>
</section>
</div>
</main>
<script>
const $ = (id) => document.getElementById(id);
const els = {
apiBase: $("apiBase"),
operationID: $("operationID"),
adminUserID: $("adminUserID"),
adminSecret: $("adminSecret"),
adminToken: $("adminToken"),
userID: $("userID"),
platformID: $("platformID"),
userToken: $("userToken"),
sendID: $("sendID"),
recvID: $("recvID"),
sessionType: $("sessionType"),
contentType: $("contentType"),
textContent: $("textContent"),
lastRequest: $("lastRequest"),
lastResponse: $("lastResponse"),
status: $("status"),
getAdminTokenBtn: $("getAdminTokenBtn"),
getUserTokenBtn: $("getUserTokenBtn"),
sendTextBtn: $("sendTextBtn"),
};
function pretty(value) {
return JSON.stringify(value, null, 2);
}
function setStatus(message, type = "ok") {
els.status.className = `status ${type}`;
els.status.innerHTML = `<pre>${message}</pre>`;
}
function setResponsePayload(payload) {
els.lastResponse.textContent = pretty(payload);
}
function ensureOperationID() {
if (!els.operationID.value.trim()) {
els.operationID.value = `web-${Date.now()}`;
}
return els.operationID.value.trim();
}
function setBusy(button, busy) {
button.disabled = busy;
}
async function postJSON(path, body, token = "") {
const url = `${els.apiBase.value.replace(/\/$/, "")}${path}`;
const operationID = ensureOperationID();
const headers = {
"Content-Type": "application/json",
operationID,
...(token ? { token } : {}),
};
els.lastRequest.textContent = pretty({ url, headers, body });
setResponsePayload({ pending: true });
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort("Request timeout after 8s"), 8000);
let response;
try {
response = await fetch(url, {
method: "POST",
headers,
body: JSON.stringify(body),
signal: controller.signal,
});
} catch (error) {
setResponsePayload({
networkError: true,
name: error instanceof Error ? error.name : "Error",
message: error instanceof Error ? error.message : String(error),
url,
});
throw error;
} finally {
clearTimeout(timeout);
}
const text = await response.text();
let data;
try {
data = JSON.parse(text);
} catch {
data = { raw: text };
}
setResponsePayload({
status: response.status,
ok: response.ok,
body: data,
});
return { response, data };
}
async function getAdminToken() {
const body = {
secret: els.adminSecret.value.trim(),
userID: els.adminUserID.value.trim(),
};
const { data } = await postJSON("/auth/get_admin_token", body);
const token = data?.data?.token || data?.token;
if (!token) {
throw new Error(`admin token missing: ${pretty(data)}`);
}
els.adminToken.value = token;
setStatus("Admin token acquired.", "ok");
}
async function getUserToken() {
const adminToken = els.adminToken.value.trim();
if (!adminToken) {
throw new Error("admin token is required");
}
const body = {
userID: els.userID.value.trim(),
platformID: Number(els.platformID.value),
};
const { data } = await postJSON("/auth/get_user_token", body, adminToken);
const token = data?.data?.token || data?.token;
if (!token) {
throw new Error(`user token missing: ${pretty(data)}`);
}
els.userToken.value = token;
setStatus("User token acquired.", "ok");
}
async function sendTextMessage() {
const adminToken = els.adminToken.value.trim();
if (!adminToken) {
throw new Error("admin token is required");
}
const recvID = els.recvID.value.trim();
if (!recvID) {
throw new Error("recvID is required");
}
const body = {
sendID: els.sendID.value.trim(),
recvID,
sessionType: Number(els.sessionType.value),
contentType: Number(els.contentType.value),
content: {
content: els.textContent.value,
},
};
await postJSON("/msg/send_msg", body, adminToken);
setStatus("Message request sent. Inspect the raw response below.", "ok");
}
async function run(button, fn) {
try {
setBusy(button, true);
setStatus("Running...", "ok");
await fn();
} catch (error) {
setResponsePayload({
error: true,
name: error instanceof Error ? error.name : "Error",
message: error instanceof Error ? error.message : String(error),
});
setStatus(error instanceof Error ? error.message : String(error), "err");
} finally {
setBusy(button, false);
}
}
els.getAdminTokenBtn.addEventListener("click", () => run(els.getAdminTokenBtn, getAdminToken));
els.getUserTokenBtn.addEventListener("click", () => run(els.getUserTokenBtn, getUserToken));
els.sendTextBtn.addEventListener("click", () => run(els.sendTextBtn, sendTextMessage));
ensureOperationID();
</script>
</body>
</html>

@ -0,0 +1,757 @@
<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>OpenIM WS Demo</title>
<style>
:root {
--bg: #f2efe8;
--panel: rgba(255, 250, 242, 0.94);
--panel-2: #fffdf8;
--border: #d5c6ab;
--text: #1e1a14;
--muted: #665c4f;
--accent: #b45736;
--accent-2: #23506a;
--ok: #1c6a57;
--err: #a2352d;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
min-height: 100vh;
font-family: "Avenir Next", "Segoe UI", sans-serif;
color: var(--text);
background:
radial-gradient(circle at top left, rgba(180, 87, 54, 0.13), transparent 28%),
radial-gradient(circle at bottom right, rgba(35, 80, 106, 0.16), transparent 30%),
linear-gradient(180deg, #f7f2ea, var(--bg));
}
main {
max-width: 1280px;
margin: 0 auto;
padding: 24px 16px 40px;
}
h1 {
margin: 0 0 8px;
font-size: clamp(30px, 4vw, 46px);
letter-spacing: -0.04em;
line-height: 1;
}
.lead {
margin: 0 0 18px;
color: var(--muted);
line-height: 1.5;
max-width: 900px;
}
.layout {
display: grid;
grid-template-columns: 380px minmax(0, 1fr);
gap: 16px;
}
.panel {
background: var(--panel);
border: 1px solid var(--border);
border-radius: 22px;
box-shadow: 0 16px 40px rgba(31, 27, 22, 0.06);
}
.sidebar {
padding: 18px;
}
.content {
display: grid;
grid-template-rows: auto auto auto minmax(420px, 1fr);
overflow: hidden;
}
.section + .section {
margin-top: 18px;
}
h2 {
margin: 0 0 12px;
font-size: 16px;
}
label {
display: block;
margin-bottom: 6px;
font-size: 13px;
color: var(--muted);
}
input,
textarea {
width: 100%;
border: 1px solid var(--border);
background: var(--panel-2);
border-radius: 14px;
padding: 11px 12px;
color: var(--text);
font: inherit;
}
textarea {
min-height: 100px;
resize: vertical;
}
.grid {
display: grid;
gap: 12px;
}
.grid.two {
grid-template-columns: 1fr 1fr;
}
.actions {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 12px;
}
button {
border: 0;
border-radius: 999px;
padding: 10px 16px;
color: white;
background: var(--accent);
font: inherit;
cursor: pointer;
}
button.alt {
background: var(--accent-2);
}
button.ghost {
background: #706451;
}
button:disabled {
opacity: 0.6;
cursor: progress;
}
.status {
margin-top: 12px;
padding: 12px 14px;
border-radius: 14px;
background: #f4ecdf;
line-height: 1.5;
font-size: 13px;
}
.status.ok {
color: var(--ok);
}
.status.err {
color: var(--err);
}
.note {
color: var(--muted);
line-height: 1.5;
font-size: 13px;
}
.toolbar {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
padding: 16px 18px;
border-bottom: 1px solid rgba(213, 198, 171, 0.75);
}
.toolbar .meta {
color: var(--muted);
font-size: 13px;
}
.block {
padding: 16px 18px;
border-bottom: 1px solid rgba(213, 198, 171, 0.65);
}
.block:last-child {
border-bottom: 0;
}
.console {
overflow: auto;
padding: 18px;
min-height: 420px;
max-height: 68vh;
background: rgba(255, 252, 247, 0.75);
font-family: "SFMono-Regular", "Consolas", monospace;
font-size: 12px;
line-height: 1.5;
}
.line {
padding: 10px 12px;
border-radius: 12px;
background: rgba(255, 255, 255, 0.7);
border: 1px solid rgba(213, 198, 171, 0.5);
margin-bottom: 10px;
white-space: pre-wrap;
word-break: break-word;
}
.line.in {
border-left: 4px solid #23506a;
}
.line.out {
border-left: 4px solid #b45736;
}
.line.sys {
border-left: 4px solid #7a6a56;
}
.line.err {
border-left: 4px solid #a2352d;
}
@media (max-width: 980px) {
.layout {
grid-template-columns: 1fr;
}
}
@media (max-width: 640px) {
.grid.two {
grid-template-columns: 1fr;
}
}
</style>
<script src="https://cdn.jsdelivr.net/npm/protobufjs@7.4.0/dist/protobuf.min.js"></script>
</head>
<body>
<main>
<h1>OpenIM WS Demo</h1>
<p class="lead">
这个页面是真正走 WebSocket 的最小 OpenIM 浏览器客户端。它使用浏览器原生
<code>new WebSocket(url)</code> 握手,再用 OpenIM 的 JSON envelope +
protobuf 数据体发二进制帧。
</p>
<div class="layout">
<aside class="panel sidebar">
<div class="section">
<h2>连接参数</h2>
<div class="grid">
<div>
<label for="apiBase">API Base URL</label>
<input id="apiBase" value="http://127.0.0.1:10002" />
</div>
<div>
<label for="wsBase">WS URL</label>
<input id="wsBase" value="ws://127.0.0.1:10001/" />
</div>
<div>
<label for="operationID">Operation ID</label>
<input id="operationID" />
</div>
</div>
</div>
<div class="section">
<h2>管理员</h2>
<div class="grid two">
<div>
<label for="adminUserID">Admin User ID</label>
<input id="adminUserID" value="imAdmin" />
</div>
<div>
<label for="adminSecret">Secret</label>
<input id="adminSecret" value="openIM123" />
</div>
</div>
</div>
<div class="section">
<h2>当前登录用户</h2>
<div class="grid two">
<div>
<label for="userID">User ID</label>
<input id="userID" value="user_1" />
</div>
<div>
<label for="peerUserID">Peer User ID</label>
<input id="peerUserID" value="user_2" />
</div>
</div>
<div class="grid two" style="margin-top: 12px">
<div>
<label for="platformID">Platform ID</label>
<input id="platformID" value="5" />
</div>
<div>
<label for="sdkType">SDK Type</label>
<input id="sdkType" value="js" />
</div>
</div>
</div>
<div class="section">
<h2>文本消息</h2>
<textarea id="textContent">hello from native browser websocket</textarea>
<div class="actions">
<button id="prepareBtn">拿 Token</button>
<button class="alt" id="connectBtn">连接 WS</button>
<button class="ghost" id="disconnectBtn">断开</button>
</div>
<div class="actions">
<button id="getSeqBtn">WSGetNewestSeq</button>
<button class="alt" id="sendMsgBtn">WSSendMsg</button>
</div>
<div class="note" style="margin-top: 10px">
这里不是 HTTP fallback。点击“连接 WS”后会真的对
<code>ws://127.0.0.1:10001</code> 发浏览器原生 WebSocket 握手请求。
</div>
<div id="status" class="status"><pre>Ready.</pre></div>
</div>
</aside>
<section class="panel content">
<div class="toolbar">
<div>
<strong>连接状态</strong>
<div class="meta" id="connectionMeta">未连接</div>
</div>
<div class="meta" id="reqMeta">msgIncr=0</div>
</div>
<div class="block">
<h2>Last URL</h2>
<div id="lastURL" class="note">尚未构造</div>
</div>
<div class="block">
<h2>Raw Envelope</h2>
<div id="rawEnvelope" class="note">尚未发送</div>
</div>
<div class="console" id="console"></div>
</section>
</div>
</main>
<script>
const $ = (id) => document.getElementById(id);
const els = {
apiBase: $("apiBase"),
wsBase: $("wsBase"),
operationID: $("operationID"),
adminUserID: $("adminUserID"),
adminSecret: $("adminSecret"),
userID: $("userID"),
peerUserID: $("peerUserID"),
platformID: $("platformID"),
sdkType: $("sdkType"),
textContent: $("textContent"),
prepareBtn: $("prepareBtn"),
connectBtn: $("connectBtn"),
disconnectBtn: $("disconnectBtn"),
getSeqBtn: $("getSeqBtn"),
sendMsgBtn: $("sendMsgBtn"),
status: $("status"),
connectionMeta: $("connectionMeta"),
reqMeta: $("reqMeta"),
lastURL: $("lastURL"),
rawEnvelope: $("rawEnvelope"),
console: $("console"),
};
const state = {
adminToken: "",
userToken: "",
ws: null,
msgIncr: 0,
proto: null,
};
const SDKWS_PROTO = `
syntax = "proto3";
package openim.sdkws;
enum PullOrder {
PullOrderAsc = 0;
PullOrderDesc = 1;
}
message GetMaxSeqReq {
string userID = 1;
}
message GetMaxSeqResp {
map<string, int64> maxSeqs = 1;
map<string, int64> minSeqs = 2;
}
message PullMsgs {
repeated MsgData Msgs = 1;
bool isEnd = 2;
int64 endSeq = 3;
}
message MsgData {
string sendID = 1;
string recvID = 2;
string groupID = 3;
string clientMsgID = 4;
string serverMsgID = 5;
int32 senderPlatformID = 6;
string senderNickname = 7;
string senderFaceURL = 8;
int32 sessionType = 9;
int32 msgFrom = 10;
int32 contentType = 11;
bytes content = 12;
int64 seq = 14;
int64 sendTime = 15;
int64 createTime = 16;
int32 status = 17;
bool isRead = 18;
map<string, bool> options = 19;
string attachedInfo = 22;
string ex = 23;
}
message PushMessages {
map<string, PullMsgs> msgs = 1;
map<string, PullMsgs> notificationMsgs = 2;
}
`;
const MSG_PROTO = `
syntax = "proto3";
package openim.msg;
message SendMsgResp {
string serverMsgID = 1;
string clientMsgID = 2;
int64 sendTime = 3;
}
`;
function ensureOperationID() {
if (!els.operationID.value.trim()) {
els.operationID.value = `ws-${Date.now()}`;
}
return els.operationID.value.trim();
}
function setStatus(message, type = "ok") {
els.status.className = `status ${type}`;
els.status.innerHTML = `<pre>${message}</pre>`;
}
function logLine(type, title, payload) {
const line = document.createElement("div");
line.className = `line ${type}`;
const text = typeof payload === "string" ? payload : JSON.stringify(payload, null, 2);
line.textContent = `${title}\n${text}`;
els.console.prepend(line);
}
function setConnectionMeta(text) {
els.connectionMeta.textContent = text;
}
function nextMsgIncr() {
state.msgIncr += 1;
els.reqMeta.textContent = `msgIncr=${state.msgIncr}`;
return String(state.msgIncr);
}
async function postJSON(path, body, token = "") {
const operationID = ensureOperationID();
const url = `${els.apiBase.value.replace(/\/$/, "")}${path}`;
const headers = {
"Content-Type": "application/json",
operationID,
...(token ? { token } : {}),
};
const response = await fetch(url, {
method: "POST",
headers,
body: JSON.stringify(body),
});
const data = await response.json();
if (!response.ok || data.errCode) {
throw new Error(data.errDlt || data.errMsg || `HTTP ${response.status}`);
}
return data.data;
}
async function prepareTokens() {
const admin = await postJSON("/auth/get_admin_token", {
secret: els.adminSecret.value.trim(),
userID: els.adminUserID.value.trim(),
});
state.adminToken = admin.token;
try {
await postJSON(
"/user/user_register",
{
users: [
{ userID: els.userID.value.trim(), nickname: els.userID.value.trim() },
{ userID: els.peerUserID.value.trim(), nickname: els.peerUserID.value.trim() },
],
},
state.adminToken
);
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
if (!message.includes("registered already")) {
throw error;
}
}
const user = await postJSON(
"/auth/get_user_token",
{
userID: els.userID.value.trim(),
platformID: Number(els.platformID.value),
},
state.adminToken
);
state.userToken = user.token;
}
function initProto() {
if (state.proto) return state.proto;
const root = new protobuf.Root();
protobuf.parse(SDKWS_PROTO, root);
protobuf.parse(MSG_PROTO, root);
state.proto = {
root,
GetMaxSeqReq: root.lookupType("openim.sdkws.GetMaxSeqReq"),
GetMaxSeqResp: root.lookupType("openim.sdkws.GetMaxSeqResp"),
MsgData: root.lookupType("openim.sdkws.MsgData"),
PushMessages: root.lookupType("openim.sdkws.PushMessages"),
SendMsgResp: root.lookupType("openim.msg.SendMsgResp"),
};
return state.proto;
}
function buildWSURL() {
const url = new URL(els.wsBase.value);
url.searchParams.set("sendID", els.userID.value.trim());
url.searchParams.set("token", state.userToken);
url.searchParams.set("operationID", ensureOperationID());
url.searchParams.set("platformID", els.platformID.value.trim());
url.searchParams.set("sdkType", els.sdkType.value.trim());
url.searchParams.set("isBackground", "false");
url.searchParams.set("isMsgResp", "true");
return url.toString();
}
function base64FromBytes(bytes) {
let binary = "";
for (const b of bytes) binary += String.fromCharCode(b);
return btoa(binary);
}
function bytesFromBase64(base64) {
const binary = atob(base64);
const bytes = new Uint8Array(binary.length);
for (let i = 0; i < binary.length; i += 1) {
bytes[i] = binary.charCodeAt(i);
}
return bytes;
}
function sendEnvelope(reqIdentifier, payloadBytes) {
if (!state.ws || state.ws.readyState !== WebSocket.OPEN) {
throw new Error("websocket is not connected");
}
const envelope = {
reqIdentifier,
token: state.userToken,
sendID: els.userID.value.trim(),
operationID: ensureOperationID(),
msgIncr: nextMsgIncr(),
data: base64FromBytes(payloadBytes),
};
els.rawEnvelope.textContent = JSON.stringify(envelope, null, 2);
logLine("out", `WS Send ${reqIdentifier}`, envelope);
const jsonBytes = new TextEncoder().encode(JSON.stringify(envelope));
state.ws.send(jsonBytes);
}
async function connectWS() {
if (!state.userToken) {
throw new Error("user token is missing, click '拿 Token' first");
}
if (state.ws && state.ws.readyState === WebSocket.OPEN) {
throw new Error("websocket already connected");
}
const url = buildWSURL();
els.lastURL.textContent = url;
const ws = new WebSocket(url);
ws.binaryType = "arraybuffer";
ws.onopen = () => {
setConnectionMeta(`OPEN as ${els.userID.value.trim()}`);
setStatus("WebSocket connected.", "ok");
logLine("sys", "WS Open", url);
};
ws.onclose = (event) => {
setConnectionMeta(`CLOSED code=${event.code}`);
logLine("sys", "WS Close", { code: event.code, reason: event.reason });
};
ws.onerror = () => {
setStatus("WebSocket error.", "err");
logLine("err", "WS Error", "See browser console/network panel for handshake details.");
};
ws.onmessage = (event) => {
if (typeof event.data === "string") {
logLine("in", "WS Text", event.data);
return;
}
const text = new TextDecoder().decode(new Uint8Array(event.data));
let envelope;
try {
envelope = JSON.parse(text);
} catch {
logLine("err", "WS Binary Parse Error", text);
return;
}
logLine("in", `WS Recv ${envelope.reqIdentifier}`, envelope);
decodeEnvelope(envelope);
};
state.ws = ws;
}
function disconnectWS() {
if (state.ws) {
state.ws.close();
state.ws = null;
}
}
function decodeEnvelope(envelope) {
const proto = initProto();
if (!envelope.data) return;
const bytes = bytesFromBase64(envelope.data);
try {
switch (envelope.reqIdentifier) {
case 1001: {
const decoded = proto.GetMaxSeqResp.decode(bytes);
logLine("sys", "Decoded GetMaxSeqResp", proto.GetMaxSeqResp.toObject(decoded, { longs: String }));
break;
}
case 1003: {
const decoded = proto.SendMsgResp.decode(bytes);
logLine("sys", "Decoded SendMsgResp", proto.SendMsgResp.toObject(decoded, { longs: String }));
break;
}
case 2001: {
const decoded = proto.PushMessages.decode(bytes);
logLine("sys", "Decoded PushMessages", proto.PushMessages.toObject(decoded, { longs: String, bytes: String }));
break;
}
default:
logLine("sys", "Unknown Proto Payload", { reqIdentifier: envelope.reqIdentifier, base64: envelope.data });
}
} catch (error) {
logLine("err", "Proto Decode Error", error instanceof Error ? error.message : String(error));
}
}
function sendGetNewestSeq() {
const proto = initProto();
const message = proto.GetMaxSeqReq.create({
userID: els.userID.value.trim(),
});
const bytes = proto.GetMaxSeqReq.encode(message).finish();
sendEnvelope(1001, bytes);
}
function makeClientMsgID() {
return `browser-${Date.now()}-${Math.random().toString(16).slice(2, 10)}`;
}
function sendTextMessage() {
const proto = initProto();
const contentBytes = new TextEncoder().encode(
JSON.stringify({
content: els.textContent.value,
})
);
const now = Date.now();
const message = proto.MsgData.create({
sendID: els.userID.value.trim(),
recvID: els.peerUserID.value.trim(),
clientMsgID: makeClientMsgID(),
senderPlatformID: Number(els.platformID.value),
sessionType: 1,
msgFrom: 100,
contentType: 101,
content: contentBytes,
sendTime: now,
createTime: now,
});
const bytes = proto.MsgData.encode(message).finish();
sendEnvelope(1003, bytes);
}
async function run(button, fn, okText) {
try {
setBusy(button, true);
setStatus("Running...", "ok");
await fn();
if (okText) {
setStatus(okText, "ok");
}
} catch (error) {
setStatus(error instanceof Error ? error.message : String(error), "err");
logLine("err", "Action Error", error instanceof Error ? error.message : String(error));
} finally {
setBusy(button, false);
}
}
function setBusy(button, busy) {
button.disabled = busy;
}
ensureOperationID();
initProto();
els.prepareBtn.addEventListener("click", () => run(els.prepareBtn, prepareTokens, "Tokens prepared."));
els.connectBtn.addEventListener("click", () => run(els.connectBtn, connectWS, ""));
els.disconnectBtn.addEventListener("click", () => run(els.disconnectBtn, async () => disconnectWS(), "Disconnected."));
els.getSeqBtn.addEventListener("click", () => run(els.getSeqBtn, async () => sendGetNewestSeq(), "WSGetNewestSeq sent."));
els.sendMsgBtn.addEventListener("click", () => run(els.sendMsgBtn, async () => sendTextMessage(), "WSSendMsg sent."));
</script>
</body>
</html>
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