quran/node_modules/@sentry/node/cjs/transports/http.js

var {
  _nullishCoalesce
} = require('@sentry/utils');

Object.defineProperty(exports, '__esModule', { value: true });

const http = require('http');
const https = require('https');
const stream = require('stream');
const url = require('url');
const zlib = require('zlib');
const core = require('@sentry/core');
const utils = require('@sentry/utils');
const index = require('../proxy/index.js');

// Estimated maximum size for reasonable standalone event
const GZIP_THRESHOLD = 1024 * 32;

/**
 * Gets a stream from a Uint8Array or string
 * Readable.from is ideal but was added in node.js v12.3.0 and v10.17.0
 */
function streamFromBody(body) {
  return new stream.Readable({
    read() {
      this.push(body);
      this.push(null);
    },
  });
}

/**
 * Creates a Transport that uses native the native 'http' and 'https' modules to send events to Sentry.
 */
function makeNodeTransport(options) {
  let urlSegments;

  try {
    urlSegments = new url.URL(options.url);
  } catch (e) {
    utils.consoleSandbox(() => {
      // eslint-disable-next-line no-console
      console.warn(
        '[@sentry/node]: Invalid dsn or tunnel option, will not send any events. The tunnel option must be a full URL when used.',
      );
    });
    return core.createTransport(options, () => Promise.resolve({}));
  }

  const isHttps = urlSegments.protocol === 'https:';

  // Proxy prioritization: http => `options.proxy` | `process.env.http_proxy`
  // Proxy prioritization: https => `options.proxy` | `process.env.https_proxy` | `process.env.http_proxy`
  const proxy = applyNoProxyOption(
    urlSegments,
    options.proxy || (isHttps ? process.env.https_proxy : undefined) || process.env.http_proxy,
  );

  const nativeHttpModule = isHttps ? https : http;
  const keepAlive = options.keepAlive === undefined ? false : options.keepAlive;

  // TODO(v7): Evaluate if we can set keepAlive to true. This would involve testing for memory leaks in older node
  // versions(>= 8) as they had memory leaks when using it: #2555
  const agent = proxy
    ? (new index.HttpsProxyAgent(proxy) )
    : new nativeHttpModule.Agent({ keepAlive, maxSockets: 30, timeout: 2000 });

  const requestExecutor = createRequestExecutor(options, _nullishCoalesce(options.httpModule, () => ( nativeHttpModule)), agent);
  return core.createTransport(options, requestExecutor);
}

/**
 * Honors the `no_proxy` env variable with the highest priority to allow for hosts exclusion.
 *
 * @param transportUrl The URL the transport intends to send events to.
 * @param proxy The client configured proxy.
 * @returns A proxy the transport should use.
 */
function applyNoProxyOption(transportUrlSegments, proxy) {
  const { no_proxy } = process.env;

  const urlIsExemptFromProxy =
    no_proxy &&
    no_proxy
      .split(',')
      .some(
        exemption => transportUrlSegments.host.endsWith(exemption) || transportUrlSegments.hostname.endsWith(exemption),
      );

  if (urlIsExemptFromProxy) {
    return undefined;
  } else {
    return proxy;
  }
}

/**
 * Creates a RequestExecutor to be used with `createTransport`.
 */
function createRequestExecutor(
  options,
  httpModule,
  agent,
) {
  const { hostname, pathname, port, protocol, search } = new url.URL(options.url);
  return function makeRequest(request) {
    return new Promise((resolve, reject) => {
      let body = streamFromBody(request.body);

      const headers = { ...options.headers };

      if (request.body.length > GZIP_THRESHOLD) {
        headers['content-encoding'] = 'gzip';
        body = body.pipe(zlib.createGzip());
      }

      const req = httpModule.request(
        {
          method: 'POST',
          agent,
          headers,
          hostname,
          path: `${pathname}${search}`,
          port,
          protocol,
          ca: options.caCerts,
        },
        res => {
          res.on('data', () => {
            // Drain socket
          });

          res.on('end', () => {
            // Drain socket
          });

          res.setEncoding('utf8');

          // "Key-value pairs of header names and values. Header names are lower-cased."
          // https://nodejs.org/api/http.html#http_message_headers
          const retryAfterHeader = _nullishCoalesce(res.headers['retry-after'], () => ( null));
          const rateLimitsHeader = _nullishCoalesce(res.headers['x-sentry-rate-limits'], () => ( null));

          resolve({
            statusCode: res.statusCode,
            headers: {
              'retry-after': retryAfterHeader,
              'x-sentry-rate-limits': Array.isArray(rateLimitsHeader) ? rateLimitsHeader[0] : rateLimitsHeader,
            },
          });
        },
      );

      req.on('error', reject);
      body.pipe(req);
    });
  };
}

exports.makeNodeTransport = makeNodeTransport;
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