@mrtkrcm/mcp-puppeteer
Version:
Model Context Protocol server for browser automation using Puppeteer
140 lines • 6.65 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
export function getBrowserConfig() {
var config = {
headless: process.env.DOCKER_CONTAINER === 'true' ? true : 'new',
defaultViewport: {
width: parseInt(process.env.PUPPETEER_VIEWPORT_WIDTH || '1280', 10),
height: parseInt(process.env.PUPPETEER_VIEWPORT_HEIGHT || '800', 10)
},
ignoreHTTPSErrors: true,
args: []
};
// Add slowMo if specified
if (process.env.PUPPETEER_SLOW_MO) {
var slowMo = parseInt(process.env.PUPPETEER_SLOW_MO, 10);
if (!isNaN(slowMo)) {
config.slowMo = slowMo;
}
}
// Add custom user agent if specified
if (process.env.PUPPETEER_USER_AGENT) {
config.userAgent = process.env.PUPPETEER_USER_AGENT;
}
// Add timeout if specified
if (process.env.PUPPETEER_TIMEOUT) {
var timeout = parseInt(process.env.PUPPETEER_TIMEOUT, 10);
if (!isNaN(timeout)) {
config.timeout = timeout;
}
}
// Add Docker-specific arguments if running in Docker
if (process.env.DOCKER_CONTAINER === 'true') {
var extraArgs = ["--no-sandbox", "--disable-gpu", "--disable-dev-shm-usage", "--single-process", "--no-zygote"];
config.args = __spreadArray(__spreadArray([], (config.args || []), true), extraArgs, true);
}
// Parse and add custom arguments if specified
if (process.env.PUPPETEER_ARGS) {
try {
var customArgs = JSON.parse(process.env.PUPPETEER_ARGS);
if (Array.isArray(customArgs)) {
config.args = __spreadArray(__spreadArray([], (config.args || []), true), customArgs, true);
}
}
catch (e) {
console.error('Failed to parse PUPPETEER_ARGS:', e);
}
}
return config;
}
export function isAllowedDomain(url) {
// Get allowed domains from environment variable
var allowedDomains = (process.env.ALLOWED_DOMAINS || "").split(',').map(function (d) { return d.trim(); }).filter(Boolean);
// If no allowed domains are specified, allow all
if (allowedDomains.length === 0)
return true;
try {
var urlObj_1 = new URL(url);
return allowedDomains.some(function (domain) {
// Support wildcards (e.g., *.example.com)
if (domain.startsWith('*.')) {
var baseDomain = domain.substring(2);
return urlObj_1.hostname.endsWith(baseDomain);
}
return urlObj_1.hostname === domain;
});
}
catch (e) {
return false; // Invalid URL
}
}
export function sanitizeScript(script) {
// Basic sanitization - more advanced approaches could be implemented
var disallowedPatterns = [
/process\s*\.\s*env/i,
/require\s*\(/i,
/eval\s*\(/i,
/Function\s*\(/i,
/document\.cookie/i
];
var containsDisallowed = disallowedPatterns.some(function (pattern) { return pattern.test(script); });
if (containsDisallowed) {
throw new Error("Script contains potentially unsafe operations");
}
return script;
}
export function withTimeout(promise, timeoutMs, operation) {
return __awaiter(this, void 0, void 0, function () {
var timeoutPromise;
return __generator(this, function (_a) {
timeoutPromise = new Promise(function (_, reject) {
setTimeout(function () { return reject(new Error("Operation \"".concat(operation, "\" timed out after ").concat(timeoutMs, "ms"))); }, timeoutMs);
});
return [2 /*return*/, Promise.race([promise, timeoutPromise])];
});
});
}
//# sourceMappingURL=browserConfig.js.map