88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
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'use strict';
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var util = require('util');
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var utils = require('../utils');
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module.exports = function(Raven, http, originals) {
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var OrigClientRequest = http.ClientRequest;
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var ClientRequest = function(options, cb) {
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// Note: this won't capture a breadcrumb if a response never comes
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// It would be useful to know if that was the case, though, so
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// todo: revisit to see if we can capture sth indicating response never came
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// possibility: capture one breadcrumb for "req sent" and one for "res recvd"
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// seems excessive but solves the problem and *is* strictly more information
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// could be useful for weird response sequencing bug scenarios
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OrigClientRequest.call(this, options, cb);
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// We could just always reconstruct this from this.agent, this._headers, this.path, etc
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// but certain other http-instrumenting libraries (like nock, which we use for tests) fail to
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// maintain the guarantee that after calling OrigClientRequest, those fields will be populated
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if (typeof options === 'string') {
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this.__ravenBreadcrumbUrl = options;
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} else {
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this.__ravenBreadcrumbUrl =
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(options.protocol || '') +
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'//' +
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(options.hostname || options.host || '') +
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(options.path || '/');
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}
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};
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util.inherits(ClientRequest, OrigClientRequest);
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utils.fill(ClientRequest.prototype, 'emit', function(origEmit) {
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return function(evt, maybeResp) {
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if (evt === 'response' && this.__ravenBreadcrumbUrl) {
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if (!Raven.dsn || this.__ravenBreadcrumbUrl.indexOf(Raven.dsn.host) === -1) {
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Raven.captureBreadcrumb({
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type: 'http',
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category: 'http',
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data: {
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method: this.method,
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url: this.__ravenBreadcrumbUrl,
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status_code: maybeResp.statusCode
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}
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});
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}
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}
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return origEmit.apply(this, arguments);
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};
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});
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utils.fill(
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http,
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'ClientRequest',
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function() {
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return ClientRequest;
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},
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originals
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);
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// http.request orig refs module-internal ClientRequest, not exported one, so
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// it still points at orig ClientRequest after our monkeypatch; these reimpls
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// just get that reference updated to use our new ClientRequest
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utils.fill(
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http,
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'request',
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function() {
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return function(options, cb) {
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return new http.ClientRequest(options, cb);
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};
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},
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originals
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);
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utils.fill(
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http,
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'get',
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function() {
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return function(options, cb) {
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var req = http.request(options, cb);
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req.end();
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return req;
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};
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},
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originals
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);
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return http;
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};
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