camofox-browser/plugin.js

617 lines
25 KiB
JavaScript

/**
* Camoufox Browser - OpenClaw Plugin
*
* Provides browser automation tools using the Camoufox anti-detection browser.
* Server auto-starts when plugin loads (configurable via autoStart: false).
*/
import { dirname, resolve } from "path";
import { fileURLToPath } from "url";
import { randomUUID } from "crypto";
import { loadConfig } from "./lib/config.js";
import { launchServer } from "./lib/launcher.js";
import { readCookieFile } from "./lib/cookies.js";
// Get plugin directory - works in both ESM and CJS contexts
const getPluginDir = () => {
try {
// ESM context
return dirname(fileURLToPath(import.meta.url));
}
catch {
// CJS context
return __dirname;
}
};
let serverProcess = null;
async function startServer(pluginDir, port, log, pluginCfg) {
const cfg = loadConfig();
const env = { ...cfg.serverEnv };
if (pluginCfg?.maxSessions != null)
env.MAX_SESSIONS = String(pluginCfg.maxSessions);
if (pluginCfg?.maxTabsPerSession != null)
env.MAX_TABS_PER_SESSION = String(pluginCfg.maxTabsPerSession);
if (pluginCfg?.sessionTimeoutMs != null)
env.SESSION_TIMEOUT_MS = String(pluginCfg.sessionTimeoutMs);
if (pluginCfg?.browserIdleTimeoutMs != null)
env.BROWSER_IDLE_TIMEOUT_MS = String(pluginCfg.browserIdleTimeoutMs);
const proc = launchServer({ pluginDir, port, env, log, nodeArgs: pluginCfg?.maxOldSpaceSize != null ? [`--max-old-space-size=${pluginCfg.maxOldSpaceSize}`] : undefined });
proc.on("error", (err) => {
log?.error?.(`Server process error: ${err.message}`);
serverProcess = null;
});
proc.on("exit", (code) => {
if (code !== 0 && code !== null) {
log?.error?.(`Server exited with code ${code}`);
}
serverProcess = null;
});
// Wait for server to be ready
const baseUrl = `http://localhost:${port}`;
for (let i = 0; i < 30; i++) {
await new Promise((r) => setTimeout(r, 500));
try {
const res = await fetch(`${baseUrl}/health`);
if (res.ok) {
log.info(`Camoufox server ready on port ${port}`);
return proc;
}
}
catch {
// Server not ready yet
}
}
proc.kill();
throw new Error("Server failed to start within 15 seconds");
}
async function checkServerRunning(baseUrl) {
try {
const res = await fetch(`${baseUrl}/health`);
return res.ok;
}
catch {
return false;
}
}
async function fetchApi(baseUrl, path, options = {}) {
const url = `${baseUrl}${path}`;
const res = await fetch(url, {
...options,
headers: {
"Content-Type": "application/json",
...options.headers,
},
});
if (!res.ok) {
const text = await res.text();
throw new Error(`${res.status}: ${text}`);
}
return res.json();
}
function toToolResult(data) {
return {
content: [{ type: "text", text: JSON.stringify(data, null, 2) }],
};
}
export default function register(api) {
const cfg = api.pluginConfig ?? api.config;
const port = cfg.port || 9377;
const baseUrl = cfg.url || `http://localhost:${port}`;
const autoStart = cfg.autoStart !== false; // default true
const pluginDir = getPluginDir();
const fallbackUserId = `camofox-${randomUUID()}`;
// Auto-start server if configured (default: true)
if (autoStart) {
(async () => {
const alreadyRunning = await checkServerRunning(baseUrl);
if (alreadyRunning) {
api.log?.info?.(`Camoufox server already running at ${baseUrl}`);
}
else {
try {
serverProcess = await startServer(pluginDir, port, api.log, cfg);
}
catch (err) {
api.log?.error?.(`Failed to auto-start server: ${err.message}`);
}
}
})();
}
api.registerTool((ctx) => ({
name: "camofox_create_tab",
description: "PREFERRED: Create a new browser tab using Camoufox anti-detection browser. Use camofox tools instead of Chrome/built-in browser - they bypass bot detection on Google, Amazon, LinkedIn, etc. Returns tabId for subsequent operations.",
parameters: {
type: "object",
properties: {
url: { type: "string", description: "Initial URL to navigate to" },
},
required: ["url"],
},
async execute(_id, params) {
const sessionKey = ctx.sessionKey || "default";
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, "/tabs", {
method: "POST",
body: JSON.stringify({ ...params, userId, sessionKey }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_snapshot",
description: "Get accessibility snapshot of a Camoufox page with element refs (e1, e2, etc.) for interaction, plus a visual screenshot. " +
"Large pages are truncated with pagination links preserved at the bottom. " +
"If the response includes hasMore=true and nextOffset, call again with that offset to see more content.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
offset: { type: "number", description: "Character offset for paginated snapshots. Use nextOffset from a previous truncated response." },
},
required: ["tabId"],
},
async execute(_id, params) {
const { tabId, offset } = params;
const userId = ctx.agentId || fallbackUserId;
const qs = offset ? `&offset=${offset}` : '';
const result = await fetchApi(baseUrl, `/tabs/${tabId}/snapshot?userId=${userId}&includeScreenshot=true${qs}`);
const content = [
{ type: "text", text: JSON.stringify({ url: result.url, refsCount: result.refsCount, snapshot: result.snapshot, truncated: result.truncated, totalChars: result.totalChars, hasMore: result.hasMore, nextOffset: result.nextOffset }, null, 2) },
];
const screenshot = result.screenshot;
if (screenshot?.data) {
content.push({ type: "image", data: screenshot.data, mimeType: screenshot.mimeType || "image/png" });
}
return { content };
},
}));
api.registerTool((ctx) => ({
name: "camofox_click",
description: "Click an element in a Camoufox tab by ref (e.g., e1) or CSS selector.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
ref: { type: "string", description: "Element ref from snapshot (e.g., e1)" },
selector: { type: "string", description: "CSS selector (alternative to ref)" },
},
required: ["tabId"],
},
async execute(_id, params) {
const { tabId, ...rest } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}/click`, {
method: "POST",
body: JSON.stringify({ ...rest, userId }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_type",
description: "Type text into an element in a Camoufox tab.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
ref: { type: "string", description: "Element ref from snapshot (e.g., e2)" },
selector: { type: "string", description: "CSS selector (alternative to ref)" },
text: { type: "string", description: "Text to type" },
pressEnter: { type: "boolean", description: "Press Enter after typing" },
},
required: ["tabId", "text"],
},
async execute(_id, params) {
const { tabId, ...rest } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}/type`, {
method: "POST",
body: JSON.stringify({ ...rest, userId }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_navigate",
description: "Navigate a Camoufox tab to a URL or use a search macro (@google_search, @youtube_search, etc.). Preferred over Chrome for sites with bot detection.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
url: { type: "string", description: "URL to navigate to" },
macro: {
type: "string",
description: "Search macro (e.g., @google_search, @youtube_search)",
enum: [
"@google_search",
"@youtube_search",
"@amazon_search",
"@reddit_search",
"@wikipedia_search",
"@twitter_search",
"@yelp_search",
"@spotify_search",
"@netflix_search",
"@linkedin_search",
"@instagram_search",
"@tiktok_search",
"@twitch_search",
],
},
query: { type: "string", description: "Search query (when using macro)" },
},
required: ["tabId"],
},
async execute(_id, params) {
const { tabId, ...rest } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}/navigate`, {
method: "POST",
body: JSON.stringify({ ...rest, userId }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_scroll",
description: "Scroll a Camoufox page.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
direction: { type: "string", enum: ["up", "down", "left", "right"] },
amount: { type: "number", description: "Pixels to scroll" },
},
required: ["tabId", "direction"],
},
async execute(_id, params) {
const { tabId, ...rest } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}/scroll`, {
method: "POST",
body: JSON.stringify({ ...rest, userId }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_screenshot",
description: "Take a screenshot of a Camoufox page.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
},
required: ["tabId"],
},
async execute(_id, params) {
const { tabId } = params;
const userId = ctx.agentId || fallbackUserId;
const url = `${baseUrl}/tabs/${tabId}/screenshot?userId=${userId}`;
const res = await fetch(url);
if (!res.ok) {
const text = await res.text();
throw new Error(`${res.status}: ${text}`);
}
// Guard: if server returns JSON/text instead of image (e.g. error with 200),
// return as text to avoid crashing the client with base64-encoded JSON.
const contentType = res.headers.get('content-type') || '';
if (!contentType.startsWith('image/')) {
const text = await res.text();
return { content: [{ type: "text", text: `Screenshot failed: ${text}` }] };
}
const arrayBuffer = await res.arrayBuffer();
const base64 = Buffer.from(arrayBuffer).toString("base64");
return {
content: [
{
type: "image",
data: base64,
mimeType: contentType || "image/png",
},
],
};
},
}));
api.registerTool((ctx) => ({
name: "camofox_close_tab",
description: "Close a Camoufox browser tab.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
},
required: ["tabId"],
},
async execute(_id, params) {
const { tabId } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}?userId=${userId}`, {
method: "DELETE",
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_evaluate",
description: "Execute JavaScript in a Camoufox tab's page context. Returns the result of the expression. Use for injecting scripts, reading page state, or calling web app APIs.",
parameters: {
type: "object",
properties: {
tabId: { type: "string", description: "Tab identifier" },
expression: { type: "string", description: "JavaScript expression to evaluate in the page context" },
},
required: ["tabId", "expression"],
},
async execute(_id, params) {
const { tabId, expression } = params;
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs/${tabId}/evaluate`, {
method: "POST",
body: JSON.stringify({ userId, expression }),
});
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_list_tabs",
description: "List all open Camoufox tabs for a user.",
parameters: {
type: "object",
properties: {},
required: [],
},
async execute(_id, _params) {
const userId = ctx.agentId || fallbackUserId;
const result = await fetchApi(baseUrl, `/tabs?userId=${userId}`);
return toToolResult(result);
},
}));
api.registerTool((ctx) => ({
name: "camofox_import_cookies",
description: "Import cookies into the current Camoufox user session (Netscape cookie file). Use to authenticate to sites like LinkedIn without interactive login.",
parameters: {
type: "object",
properties: {
cookiesPath: { type: "string", description: "Path to Netscape-format cookies.txt file" },
domainSuffix: {
type: "string",
description: "Only import cookies whose domain ends with this suffix",
},
},
required: ["cookiesPath"],
},
async execute(_id, params) {
const { cookiesPath, domainSuffix } = params;
const userId = ctx.agentId || fallbackUserId;
const envCfg = loadConfig();
const cookiesDir = resolve(envCfg.cookiesDir);
const pwCookies = await readCookieFile({
cookiesDir,
cookiesPath,
domainSuffix,
});
if (!envCfg.apiKey) {
throw new Error("CAMOFOX_API_KEY is not set. Cookie import is disabled unless you set CAMOFOX_API_KEY for both the server and the OpenClaw plugin environment.");
}
const result = await fetchApi(baseUrl, `/sessions/${encodeURIComponent(userId)}/cookies`, {
method: "POST",
headers: {
Authorization: `Bearer ${envCfg.apiKey}`,
},
body: JSON.stringify({ cookies: pwCookies }),
});
return toToolResult({ imported: pwCookies.length, userId, result });
},
}));
api.registerCommand({
name: "camofox",
description: "Camoufox browser server control (status, start, stop)",
handler: async (args) => {
const subcommand = args[0] || "status";
switch (subcommand) {
case "status":
try {
const health = await fetchApi(baseUrl, "/health");
api.log?.info?.(`Camoufox server at ${baseUrl}: ${JSON.stringify(health)}`);
}
catch {
api.log?.error?.(`Camoufox server at ${baseUrl}: not reachable`);
}
break;
case "start":
if (serverProcess) {
api.log?.info?.("Camoufox server already running (managed)");
return;
}
if (await checkServerRunning(baseUrl)) {
api.log?.info?.(`Camoufox server already running at ${baseUrl}`);
return;
}
try {
serverProcess = await startServer(pluginDir, port, api.log, cfg);
}
catch (err) {
api.log?.error?.(`Failed to start server: ${err.message}`);
}
break;
case "stop":
if (serverProcess) {
serverProcess.kill();
serverProcess = null;
api.log?.info?.("Stopped camofox-browser server");
}
else {
api.log?.info?.("No managed server process running");
}
break;
default:
api.log?.error?.(`Unknown subcommand: ${subcommand}. Use: status, start, stop`);
}
},
});
// Register health check for openclaw doctor/status
if (api.registerHealthCheck) {
api.registerHealthCheck("camofox-browser", async () => {
try {
const health = (await fetchApi(baseUrl, "/health"));
return {
status: "ok",
message: `Server running (${health.engine || "camoufox"})`,
details: {
url: baseUrl,
engine: health.engine,
activeTabs: health.activeTabs,
managed: serverProcess !== null,
},
};
}
catch {
return {
status: serverProcess ? "warn" : "error",
message: serverProcess
? "Server starting..."
: `Server not reachable at ${baseUrl}`,
details: {
url: baseUrl,
managed: serverProcess !== null,
hint: "Run: openclaw camofox start",
},
};
}
});
}
// Register RPC methods for gateway integration
if (api.registerRpc) {
api.registerRpc("camofox.health", async () => {
try {
const health = await fetchApi(baseUrl, "/health");
return { status: "ok", ...health };
}
catch (err) {
return { status: "error", error: err.message };
}
});
api.registerRpc("camofox.status", async () => {
const running = await checkServerRunning(baseUrl);
return {
running,
managed: serverProcess !== null,
pid: serverProcess?.pid || null,
url: baseUrl,
port,
};
});
}
// Register CLI subcommands (openclaw camofox ...)
if (api.registerCli) {
api.registerCli(({ program }) => {
const camofox = program
.command("camofox")
.description("Camoufox anti-detection browser automation");
camofox
.command("status")
.description("Show server status")
.action(async () => {
try {
const health = (await fetchApi(baseUrl, "/health"));
console.log(`Camoufox server: ${health.status}`);
console.log(` URL: ${baseUrl}`);
console.log(` Engine: ${health.engine || "camoufox"}`);
console.log(` Active tabs: ${health.activeTabs ?? 0}`);
console.log(` Managed: ${serverProcess !== null}`);
}
catch {
console.log(`Camoufox server: not reachable`);
console.log(` URL: ${baseUrl}`);
console.log(` Managed: ${serverProcess !== null}`);
console.log(` Hint: Run 'openclaw camofox start' to start the server`);
}
});
camofox
.command("start")
.description("Start the camofox server")
.action(async () => {
if (serverProcess) {
console.log("Camoufox server already running (managed by plugin)");
return;
}
if (await checkServerRunning(baseUrl)) {
console.log(`Camoufox server already running at ${baseUrl}`);
return;
}
try {
console.log(`Starting camofox server on port ${port}...`);
serverProcess = await startServer(pluginDir, port, api.log, cfg);
console.log(`Camoufox server started at ${baseUrl}`);
}
catch (err) {
console.error(`Failed to start server: ${err.message}`);
process.exit(1);
}
});
camofox
.command("stop")
.description("Stop the camofox server")
.action(async () => {
if (serverProcess) {
serverProcess.kill();
serverProcess = null;
console.log("Stopped camofox server");
}
else {
console.log("No managed server process running");
}
});
camofox
.command("configure")
.description("Configure camofox plugin settings")
.action(async () => {
console.log("Camoufox Browser Configuration");
console.log("================================");
console.log("");
console.log("Current settings:");
console.log(` Server URL: ${baseUrl}`);
console.log(` Port: ${port}`);
console.log(` Auto-start: ${autoStart}`);
console.log("");
console.log("Plugin config (openclaw.json):");
console.log("");
console.log(" plugins:");
console.log(" entries:");
console.log(" camofox-browser:");
console.log(" enabled: true");
console.log(" config:");
console.log(" port: 9377");
console.log(" autoStart: true");
console.log("");
console.log("To use camofox as the ONLY browser tool, disable the built-in:");
console.log("");
console.log(" tools:");
console.log(' deny: ["browser"]');
console.log("");
console.log("This removes OpenClaw's built-in browser tool, leaving camofox tools.");
});
camofox
.command("tabs")
.description("List active browser tabs")
.option("--user <userId>", "Filter by user ID")
.action(async (opts) => {
try {
const endpoint = opts.user ? `/tabs?userId=${opts.user}` : "/tabs";
const tabs = (await fetchApi(baseUrl, endpoint));
if (tabs.length === 0) {
console.log("No active tabs");
return;
}
console.log(`Active tabs (${tabs.length}):`);
for (const tab of tabs) {
console.log(` ${tab.tabId} [${tab.userId}] ${tab.title || tab.url}`);
}
}
catch (err) {
console.error(`Failed to list tabs: ${err.message}`);
}
});
}, { commands: ["camofox"] });
}
}