node-libcurl-ja3/dist/impersonate/binaryBrowser.js

Node.js native bindings for libcurl-impersonate. Impersonate Chrome, Edge, Firefox and Safari TLS fingerprints.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.create = void 0;
const tslib_1 = require("tslib");
const curly_1 = require("../curly");
const child_process_1 = require("child_process");
const path_1 = tslib_1.__importDefault(require("path"));
const curlDir = process.env['NODE_LIBCURL_JA3_BIN_PATH'] ||
    path_1.default.resolve(__dirname, '../../deps/curl-impersonate/build/curl-impersonate/bin');
function parseCurlOutput(stderr, stdout) {
    const response = {
        StatusCode: 200,
        Headers: {},
        Body: stdout.trim(),
    };
    // Extract status line (e.g., "HTTP/2 200" or "HTTP/1.1 404 Not Found")
    const statusLineMatch = stderr.match(/< HTTP\/\d(\.\d)? (\d{3})/);
    if (statusLineMatch) {
        response.StatusCode = parseInt(statusLineMatch[2], 10);
    }
    // Extract headers
    const headerLines = stderr
        .split('\n')
        .filter((line) => line.startsWith('<') && !line.includes('HTTP/'));
    headerLines.forEach((line) => {
        const match = line.match(/< ([^:]+):\s*(.*)/);
        if (match) {
            response.Headers[match[1].trim()] = match[2].trim();
        }
    });
    return response;
}
function create(browser) {
    function runCommand(method, url, headers, body) {
        const args = ['-v', '-X', method];
        if (headers) {
            for (const [key, value] of Object.entries(headers)) {
                args.push('-H', `"${key}: ${value}"`);
            }
        }
        if (method !== 'GET') {
            args.push('-d', body ? JSON.stringify(body) : '');
        }
        args.push(url);
        const binName = 'curl_' + browser.replace(/_/g, '');
        const curlCommand = path_1.default.resolve(`${curlDir}/${binName}`);
        const command = `${curlCommand} ${args.join(' ')}`;
        return new Promise((resolve, reject) => {
            var _a, _b;
            const process = (0, child_process_1.exec)(command, {
                encoding: 'utf8',
            }, (error, stdout, stderr) => {
                if (error) {
                    reject(error);
                    return;
                }
                const response = parseCurlOutput(stderr, stdout);
                if (response.StatusCode >= 400) {
                    reject(new Error(`request error, status code ${response.StatusCode}`));
                }
                resolve(response);
            });
            // Optionally, you can also handle the streams directly
            (_a = process.stdout) === null || _a === void 0 ? void 0 : _a.setEncoding('utf8');
            (_b = process.stderr) === null || _b === void 0 ? void 0 : _b.setEncoding('utf8');
        });
    }
    function fn(url, options = {}) {
        return new Promise((resolve, reject) => {
            const method = (options.customRequest || 'GET');
            // construct headers
            const headers = {};
            if (options.httpHeader) {
                options.httpHeader.forEach((header) => {
                    const parts = header.split(':');
                    if (parts.length == 2) {
                        headers[parts[0].trim()] = parts[1].trim();
                    }
                });
            }
            runCommand(method, url, headers)
                .then((response) => {
                // get content type
                const contentTypeEntry = Object.entries(response.Headers).find(([k]) => k.toLowerCase() === 'content-type');
                const contentType = contentTypeEntry ? contentTypeEntry[1] : '';
                let parser = curly_1.defaultResponseBodyParsers[contentType];
                if (!parser) {
                    parser = (data, _headers) => data.toString('utf8');
                }
                const headers = [{ ...response.Headers }];
                // Convert string to Buffer before parsing
                const bodyBuffer = Buffer.from(response.Body);
                const body = parser(bodyBuffer, headers);
                const result = {
                    statusCode: response.StatusCode,
                    headers: headers,
                    data: body,
                    info: {},
                };
                resolve(result);
            })
                .catch((e) => {
                reject(e);
            });
        });
    }
    fn.create = create;
    fn.defaultResponseBodyParsers = {};
    const httpMethodOptionsMap = {
        get: null,
        post: (_m, o) => ({
            post: true,
            ...o,
        }),
        head: (_m, o) => ({
            nobody: true,
            ...o,
        }),
        _: (m, o) => ({
            customRequest: m.toUpperCase(),
            ...o,
        }),
    };
    for (const httpMethod of curly_1.methods) {
        const httpMethodOptionsKey = Object.prototype.hasOwnProperty.call(httpMethodOptionsMap, httpMethod)
            ? httpMethod
            : '_';
        const httpMethodOptions = httpMethodOptionsMap[httpMethodOptionsKey];
        // @ts-ignore
        fn[httpMethod] =
            httpMethodOptions === null
                ? fn
                : (url, options = {}) => fn(url, {
                    ...httpMethodOptions(httpMethod, options),
                });
    }
    return fn;
}
exports.create = create;
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