@sentry/node/build/cjs/integrations/http.js

Sentry Node SDK using OpenTelemetry for performance instrumentation

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

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

const instrumentationHttp = require('@opentelemetry/instrumentation-http');
const opentelemetry = require('@sentry/opentelemetry');
const core = require('@sentry/core');
const utils = require('@sentry/utils');
const scope = require('../sdk/scope.js');
const addOriginToSpan = require('../utils/addOriginToSpan.js');
const getRequestUrl = require('../utils/getRequestUrl.js');

const INTEGRATION_NAME = 'Http';

let _httpOptions = {};
let _httpInstrumentation;

/**
 * Instrument the HTTP module.
 * This can only be instrumented once! If this called again later, we just update the options.
 */
const instrumentHttp = Object.assign(
  function () {
    if (_httpInstrumentation) {
      return;
    }

    const _InstrumentationClass = _httpOptions._instrumentation || instrumentationHttp.HttpInstrumentation;

    _httpInstrumentation = new _InstrumentationClass({
      ..._optionalChain([_httpOptions, 'access', _ => _.instrumentation, 'optionalAccess', _2 => _2._experimentalConfig]),
      ignoreOutgoingRequestHook: request => {
        const url = getRequestUrl.getRequestUrl(request);

        if (!url) {
          return false;
        }

        if (core.isSentryRequestUrl(url, opentelemetry.getClient())) {
          return true;
        }

        const _ignoreOutgoingRequests = _httpOptions.ignoreOutgoingRequests;
        if (_ignoreOutgoingRequests && _ignoreOutgoingRequests(url, request)) {
          return true;
        }

        return false;
      },

      ignoreIncomingRequestHook: request => {
        // request.url is the only property that holds any information about the url
        // it only consists of the URL path and query string (if any)
        const urlPath = request.url;

        const method = _optionalChain([request, 'access', _3 => _3.method, 'optionalAccess', _4 => _4.toUpperCase, 'call', _5 => _5()]);
        // We do not capture OPTIONS/HEAD requests as transactions
        if (method === 'OPTIONS' || method === 'HEAD') {
          return true;
        }

        const _ignoreIncomingRequests = _httpOptions.ignoreIncomingRequests;
        if (urlPath && _ignoreIncomingRequests && _ignoreIncomingRequests(urlPath, request)) {
          return true;
        }

        return false;
      },

      requireParentforOutgoingSpans: false,
      requireParentforIncomingSpans: false,
      requestHook: (span, req) => {
        addOriginToSpan.addOriginToSpan(span, 'auto.http.otel.http');

        // both, incoming requests and "client" requests made within the app trigger the requestHook
        // we only want to isolate and further annotate incoming requests (IncomingMessage)
        if (_isClientRequest(req)) {
          _optionalChain([_httpOptions, 'access', _6 => _6.instrumentation, 'optionalAccess', _7 => _7.requestHook, 'optionalCall', _8 => _8(span, req)]);
          return;
        }

        const scopes = core.getCapturedScopesOnSpan(span);

        const isolationScope = (scopes.isolationScope || core.getIsolationScope()).clone();
        const scope$1 = scopes.scope || core.getCurrentScope();

        // Update the isolation scope, isolate this request
        isolationScope.setSDKProcessingMetadata({ request: req });

        const client = opentelemetry.getClient();
        if (client && client.getOptions().autoSessionTracking) {
          isolationScope.setRequestSession({ status: 'ok' });
        }
        scope.setIsolationScope(isolationScope);
        core.setCapturedScopesOnSpan(span, scope$1, isolationScope);

        // attempt to update the scope's `transactionName` based on the request URL
        // Ideally, framework instrumentations coming after the HttpInstrumentation
        // update the transactionName once we get a parameterized route.
        const httpMethod = (req.method || 'GET').toUpperCase();
        const httpTarget = utils.stripUrlQueryAndFragment(req.url || '/');

        const bestEffortTransactionName = `${httpMethod} ${httpTarget}`;

        isolationScope.setTransactionName(bestEffortTransactionName);

        _optionalChain([_httpOptions, 'access', _9 => _9.instrumentation, 'optionalAccess', _10 => _10.requestHook, 'optionalCall', _11 => _11(span, req)]);
      },
      responseHook: (span, res) => {
        const client = opentelemetry.getClient();
        if (client && client.getOptions().autoSessionTracking) {
          setImmediate(() => {
            client['_captureRequestSession']();
          });
        }

        _optionalChain([_httpOptions, 'access', _12 => _12.instrumentation, 'optionalAccess', _13 => _13.responseHook, 'optionalCall', _14 => _14(span, res)]);
      },
      applyCustomAttributesOnSpan: (
        span,
        request,
        response,
      ) => {
        const _breadcrumbs = typeof _httpOptions.breadcrumbs === 'undefined' ? true : _httpOptions.breadcrumbs;
        if (_breadcrumbs) {
          _addRequestBreadcrumb(request, response);
        }

        _optionalChain([_httpOptions, 'access', _15 => _15.instrumentation, 'optionalAccess', _16 => _16.applyCustomAttributesOnSpan, 'optionalCall', _17 => _17(span, request, response)]);
      },
    });

    opentelemetry.addOpenTelemetryInstrumentation(_httpInstrumentation);
  },
  {
    id: INTEGRATION_NAME,
  },
);

const _httpIntegration = ((options = {}) => {
  return {
    name: INTEGRATION_NAME,
    setupOnce() {
      _httpOptions = options;
      instrumentHttp();
    },
  };
}) ;

/**
 * The http integration instruments Node's internal http and https modules.
 * It creates breadcrumbs and spans for outgoing HTTP requests which will be attached to the currently active span.
 */
const httpIntegration = core.defineIntegration(_httpIntegration);

/** Add a breadcrumb for outgoing requests. */
function _addRequestBreadcrumb(
  request,
  response,
) {
  // Only generate breadcrumbs for outgoing requests
  if (!_isClientRequest(request)) {
    return;
  }

  const data = getBreadcrumbData(request);
  core.addBreadcrumb(
    {
      category: 'http',
      data: {
        status_code: response.statusCode,
        ...data,
      },
      type: 'http',
    },
    {
      event: 'response',
      request,
      response,
    },
  );
}

function getBreadcrumbData(request) {
  try {
    // `request.host` does not contain the port, but the host header does
    const host = request.getHeader('host') || request.host;
    const url = new URL(request.path, `${request.protocol}//${host}`);
    const parsedUrl = utils.parseUrl(url.toString());

    const data = {
      url: utils.getSanitizedUrlString(parsedUrl),
      'http.method': request.method || 'GET',
    };

    if (parsedUrl.search) {
      data['http.query'] = parsedUrl.search;
    }
    if (parsedUrl.hash) {
      data['http.fragment'] = parsedUrl.hash;
    }

    return data;
  } catch (e) {
    return {};
  }
}

/**
 * Determines if @param req is a ClientRequest, meaning the request was created within the express app
 * and it's an outgoing request.
 * Checking for properties instead of using `instanceOf` to avoid importing the request classes.
 */
function _isClientRequest(req) {
  return 'outputData' in req && 'outputSize' in req && !('client' in req) && !('statusCode' in req);
}

exports.httpIntegration = httpIntegration;
exports.instrumentHttp = instrumentHttp;
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