Initial commit

17 files changed, 803 insertions, 0 deletions

diff --git a/desktop/node_modules/global-agent/src/Logger.js b/desktop/node_modules/global-agent/src/Logger.js
new file mode 100644
index 0000000..166f1e4
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/Logger.js
@@ -0,0 +1,10 @@
+// @flow
+
+import Roarr from 'roarr';
+
+const Logger = Roarr
+  .child({
+    package: 'global-agent',
+  });
+
+export default Logger;
diff --git a/desktop/node_modules/global-agent/src/classes/Agent.js b/desktop/node_modules/global-agent/src/classes/Agent.js
new file mode 100644
index 0000000..801dd1f
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/classes/Agent.js
@@ -0,0 +1,212 @@
+// @flow
+
+import {
+  serializeError,
+} from 'serialize-error';
+import {
+  boolean,
+} from 'boolean';
+import Logger from '../Logger';
+import type {
+  AgentType,
+  GetUrlProxyMethodType,
+  IsProxyConfiguredMethodType,
+  MustUrlUseProxyMethodType,
+  ProtocolType,
+} from '../types';
+
+const log = Logger.child({
+  namespace: 'Agent',
+});
+
+let requestId = 0;
+
+class Agent {
+  defaultPort: number;
+
+  protocol: ProtocolType;
+
+  fallbackAgent: AgentType;
+
+  isProxyConfigured: IsProxyConfiguredMethodType;
+
+  mustUrlUseProxy: MustUrlUseProxyMethodType;
+
+  getUrlProxy: GetUrlProxyMethodType;
+
+  socketConnectionTimeout: number;
+
+  constructor (
+    isProxyConfigured: IsProxyConfiguredMethodType,
+    mustUrlUseProxy: MustUrlUseProxyMethodType,
+    getUrlProxy: GetUrlProxyMethodType,
+    fallbackAgent: AgentType,
+    socketConnectionTimeout: number,
+  ) {
+    this.fallbackAgent = fallbackAgent;
+    this.isProxyConfigured = isProxyConfigured;
+    this.mustUrlUseProxy = mustUrlUseProxy;
+    this.getUrlProxy = getUrlProxy;
+    this.socketConnectionTimeout = socketConnectionTimeout;
+  }
+
+  addRequest (request: *, configuration: *) {
+    let requestUrl;
+
+    // It is possible that addRequest was constructed for a proxied request already, e.g.
+    // "request" package does this when it detects that a proxy should be used
+    // https://github.com/request/request/blob/212570b6971a732b8dd9f3c73354bcdda158a737/request.js#L402
+    // https://gist.github.com/gajus/e2074cd3b747864ffeaabbd530d30218
+    if (request.path.startsWith('http://') || request.path.startsWith('https://')) {
+      requestUrl = request.path;
+    } else {
+      requestUrl = this.protocol + '//' + (configuration.hostname || configuration.host) + (configuration.port === 80 || configuration.port === 443 ? '' : ':' + configuration.port) + request.path;
+    }
+
+    if (!this.isProxyConfigured()) {
+      log.trace({
+        destination: requestUrl,
+      }, 'not proxying request; GLOBAL_AGENT.HTTP_PROXY is not configured');
+
+      // $FlowFixMe It appears that Flow is missing the method description.
+      this.fallbackAgent.addRequest(request, configuration);
+
+      return;
+    }
+
+    if (!this.mustUrlUseProxy(requestUrl)) {
+      log.trace({
+        destination: requestUrl,
+      }, 'not proxying request; url matches GLOBAL_AGENT.NO_PROXY');
+
+      // $FlowFixMe It appears that Flow is missing the method description.
+      this.fallbackAgent.addRequest(request, configuration);
+
+      return;
+    }
+
+    const currentRequestId = requestId++;
+
+    const proxy = this.getUrlProxy(requestUrl);
+
+    if (this.protocol === 'http:') {
+      request.path = requestUrl;
+
+      if (proxy.authorization) {
+        request.setHeader('proxy-authorization', 'Basic ' + Buffer.from(proxy.authorization).toString('base64'));
+      }
+    }
+
+    log.trace({
+      destination: requestUrl,
+      proxy: 'http://' + proxy.hostname + ':' + proxy.port,
+      requestId: currentRequestId,
+    }, 'proxying request');
+
+    request.on('error', (error) => {
+      log.error({
+        error: serializeError(error),
+      }, 'request error');
+    });
+
+    request.once('response', (response) => {
+      log.trace({
+        headers: response.headers,
+        requestId: currentRequestId,
+        statusCode: response.statusCode,
+      }, 'proxying response');
+    });
+
+    request.shouldKeepAlive = false;
+
+    const connectionConfiguration = {
+      host: configuration.hostname || configuration.host,
+      port: configuration.port || 80,
+      proxy,
+      tls: {},
+    };
+
+    // add optional tls options for https requests.
+    // @see https://nodejs.org/docs/latest-v12.x/api/https.html#https_https_request_url_options_callback :
+    // > The following additional options from tls.connect()
+    // >   - https://nodejs.org/docs/latest-v12.x/api/tls.html#tls_tls_connect_options_callback -
+    // > are also accepted:
+    // >   ca, cert, ciphers, clientCertEngine, crl, dhparam, ecdhCurve, honorCipherOrder,
+    // >   key, passphrase, pfx, rejectUnauthorized, secureOptions, secureProtocol, servername, sessionIdContext.
+    if (this.protocol === 'https:') {
+      connectionConfiguration.tls = {
+        ca: configuration.ca,
+        cert: configuration.cert,
+        ciphers: configuration.ciphers,
+        clientCertEngine: configuration.clientCertEngine,
+        crl: configuration.crl,
+        dhparam: configuration.dhparam,
+        ecdhCurve: configuration.ecdhCurve,
+        honorCipherOrder: configuration.honorCipherOrder,
+        key: configuration.key,
+        passphrase: configuration.passphrase,
+        pfx: configuration.pfx,
+        rejectUnauthorized: configuration.rejectUnauthorized,
+        secureOptions: configuration.secureOptions,
+        secureProtocol: configuration.secureProtocol,
+        servername: configuration.servername || connectionConfiguration.host,
+        sessionIdContext: configuration.sessionIdContext,
+      };
+
+      // This is not ideal because there is no way to override this setting using `tls` configuration if `NODE_TLS_REJECT_UNAUTHORIZED=0`.
+      // However, popular HTTP clients (such as https://github.com/sindresorhus/got) come with pre-configured value for `rejectUnauthorized`,
+      // which makes it impossible to override that value globally and respect `rejectUnauthorized` for specific requests only.
+      //
+      // eslint-disable-next-line no-process-env
+      if (typeof process.env.NODE_TLS_REJECT_UNAUTHORIZED === 'string' && boolean(process.env.NODE_TLS_REJECT_UNAUTHORIZED) === false) {
+        connectionConfiguration.tls.rejectUnauthorized = false;
+      }
+    }
+
+    // $FlowFixMe It appears that Flow is missing the method description.
+    this.createConnection(connectionConfiguration, (error, socket) => {
+      log.trace({
+        target: connectionConfiguration,
+      }, 'connecting');
+
+      // @see https://github.com/nodejs/node/issues/5757#issuecomment-305969057
+      if (socket) {
+        socket.setTimeout(this.socketConnectionTimeout, () => {
+          socket.destroy();
+        });
+
+        socket.once('connect', () => {
+          log.trace({
+            target: connectionConfiguration,
+          }, 'connected');
+
+          socket.setTimeout(0);
+        });
+
+        socket.once('secureConnect', () => {
+          log.trace({
+            target: connectionConfiguration,
+          }, 'connected (secure)');
+
+          socket.setTimeout(0);
+        });
+      }
+
+      if (error) {
+        request.emit('error', error);
+      } else {
+        log.debug('created socket');
+
+        socket.on('error', (socketError) => {
+          log.error({
+            error: serializeError(socketError),
+          }, 'socket error');
+        });
+
+        request.onSocket(socket);
+      }
+    });
+  }
+}
+
+export default Agent;
diff --git a/desktop/node_modules/global-agent/src/classes/HttpProxyAgent.js b/desktop/node_modules/global-agent/src/classes/HttpProxyAgent.js
new file mode 100644
index 0000000..8b9b471
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/classes/HttpProxyAgent.js
@@ -0,0 +1,30 @@
+// @flow
+
+import net from 'net';
+import type {
+  ConnectionCallbackType,
+  ConnectionConfigurationType,
+} from '../types';
+import Agent from './Agent';
+
+class HttpProxyAgent extends Agent {
+  // @see https://github.com/sindresorhus/eslint-plugin-unicorn/issues/169#issuecomment-486980290
+  // eslint-disable-next-line unicorn/prevent-abbreviations
+  constructor (...args: *) {
+    super(...args);
+
+    this.protocol = 'http:';
+    this.defaultPort = 80;
+  }
+
+  createConnection (configuration: ConnectionConfigurationType, callback: ConnectionCallbackType) {
+    const socket = net.connect(
+      configuration.proxy.port,
+      configuration.proxy.hostname,
+    );
+
+    callback(null, socket);
+  }
+}
+
+export default HttpProxyAgent;
diff --git a/desktop/node_modules/global-agent/src/classes/HttpsProxyAgent.js b/desktop/node_modules/global-agent/src/classes/HttpsProxyAgent.js
new file mode 100644
index 0000000..24d724f
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/classes/HttpsProxyAgent.js
@@ -0,0 +1,54 @@
+// @flow
+
+import net from 'net';
+import tls from 'tls';
+import type {
+  ConnectionCallbackType,
+  ConnectionConfigurationType,
+} from '../types';
+import Agent from './Agent';
+
+class HttpsProxyAgent extends Agent {
+  // eslint-disable-next-line unicorn/prevent-abbreviations
+  constructor (...args: *) {
+    super(...args);
+
+    this.protocol = 'https:';
+    this.defaultPort = 443;
+  }
+
+  createConnection (configuration: ConnectionConfigurationType, callback: ConnectionCallbackType) {
+    const socket = net.connect(
+      configuration.proxy.port,
+      configuration.proxy.hostname,
+    );
+
+    socket.on('error', (error) => {
+      callback(error);
+    });
+
+    socket.once('data', () => {
+      const secureSocket = tls.connect({
+        ...configuration.tls,
+        socket,
+      });
+
+      callback(null, secureSocket);
+    });
+
+    let connectMessage = '';
+
+    connectMessage += 'CONNECT ' + configuration.host + ':' + configuration.port + ' HTTP/1.1\r\n';
+    connectMessage += 'Host: ' + configuration.host + ':' + configuration.port + '\r\n';
+
+    if (configuration.proxy.authorization) {
+      connectMessage += 'Proxy-Authorization: Basic ' + Buffer.from(configuration.proxy.authorization).toString('base64') + '\r\n';
+    }
+
+    connectMessage += '\r\n';
+
+    socket.write(connectMessage);
+  }
+}
+
+export default HttpsProxyAgent;
diff --git a/desktop/node_modules/global-agent/src/classes/index.js b/desktop/node_modules/global-agent/src/classes/index.js
new file mode 100644
index 0000000..9e8418a
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/classes/index.js
@@ -0,0 +1,5 @@
+// @flow
+
+export {default as Agent} from './Agent';
+export {default as HttpProxyAgent} from './HttpProxyAgent';
+export {default as HttpsProxyAgent} from './HttpsProxyAgent';
diff --git a/desktop/node_modules/global-agent/src/errors.js b/desktop/node_modules/global-agent/src/errors.js
new file mode 100644
index 0000000..d93ba6f
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/errors.js
@@ -0,0 +1,15 @@
+// @flow
+
+/* eslint-disable fp/no-class, fp/no-this */
+
+import ExtendableError from 'es6-error';
+
+export class UnexpectedStateError extends ExtendableError {
+  code: string;
+
+  constructor (message: string, code: string = 'UNEXPECTED_STATE_ERROR') {
+    super(message);
+
+    this.code = code;
+  }
+}
diff --git a/desktop/node_modules/global-agent/src/factories/createGlobalProxyAgent.js b/desktop/node_modules/global-agent/src/factories/createGlobalProxyAgent.js
new file mode 100644
index 0000000..d515a9d
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/factories/createGlobalProxyAgent.js
@@ -0,0 +1,197 @@
+// @flow
+
+import http from 'http';
+import https from 'https';
+import {
+  boolean as parseBoolean,
+} from 'boolean';
+import semver from 'semver';
+import Logger from '../Logger';
+import {
+  HttpProxyAgent,
+  HttpsProxyAgent,
+} from '../classes';
+import {
+  UnexpectedStateError,
+} from '../errors';
+import {
+  bindHttpMethod,
+  isUrlMatchingNoProxy,
+  parseProxyUrl,
+} from '../utilities';
+import type {
+  ProxyAgentConfigurationInputType,
+  ProxyAgentConfigurationType,
+} from '../types';
+import createProxyController from './createProxyController';
+
+const httpGet = http.get;
+const httpRequest = http.request;
+const httpsGet = https.get;
+const httpsRequest = https.request;
+
+const log = Logger.child({
+  namespace: 'createGlobalProxyAgent',
+});
+
+const defaultConfigurationInput = {
+  environmentVariableNamespace: undefined,
+  forceGlobalAgent: undefined,
+  socketConnectionTimeout: 60000,
+};
+
+const omitUndefined = (subject) => {
+  const keys = Object.keys(subject);
+
+  const result = {};
+
+  for (const key of keys) {
+    const value = subject[key];
+
+    if (value !== undefined) {
+      result[key] = value;
+    }
+  }
+
+  return result;
+};
+
+const createConfiguration = (configurationInput: ProxyAgentConfigurationInputType): ProxyAgentConfigurationType => {
+  // eslint-disable-next-line no-process-env
+  const environment = process.env;
+
+  const defaultConfiguration = {
+    environmentVariableNamespace: typeof environment.GLOBAL_AGENT_ENVIRONMENT_VARIABLE_NAMESPACE === 'string' ? environment.GLOBAL_AGENT_ENVIRONMENT_VARIABLE_NAMESPACE : 'GLOBAL_AGENT_',
+    forceGlobalAgent: typeof environment.GLOBAL_AGENT_FORCE_GLOBAL_AGENT === 'string' ? parseBoolean(environment.GLOBAL_AGENT_FORCE_GLOBAL_AGENT) : true,
+    socketConnectionTimeout: typeof environment.GLOBAL_AGENT_SOCKET_CONNECTION_TIMEOUT === 'string' ? Number.parseInt(environment.GLOBAL_AGENT_SOCKET_CONNECTION_TIMEOUT, 10) : defaultConfigurationInput.socketConnectionTimeout,
+  };
+
+  // $FlowFixMe
+  return {
+    ...defaultConfiguration,
+    ...omitUndefined(configurationInput),
+  };
+};
+
+export default (configurationInput: ProxyAgentConfigurationInputType = defaultConfigurationInput) => {
+  const configuration = createConfiguration(configurationInput);
+
+  const proxyController = createProxyController();
+
+  // eslint-disable-next-line no-process-env
+  proxyController.HTTP_PROXY = process.env[configuration.environmentVariableNamespace + 'HTTP_PROXY'] || null;
+
+  // eslint-disable-next-line no-process-env
+  proxyController.HTTPS_PROXY = process.env[configuration.environmentVariableNamespace + 'HTTPS_PROXY'] || null;
+
+  // eslint-disable-next-line no-process-env
+  proxyController.NO_PROXY = process.env[configuration.environmentVariableNamespace + 'NO_PROXY'] || null;
+
+  log.info({
+    configuration,
+    state: proxyController,
+  }, 'global agent has been initialized');
+
+  const mustUrlUseProxy = (getProxy) => {
+    return (url) => {
+      if (!getProxy()) {
+        return false;
+      }
+
+      if (!proxyController.NO_PROXY) {
+        return true;
+      }
+
+      return !isUrlMatchingNoProxy(url, proxyController.NO_PROXY);
+    };
+  };
+
+  const getUrlProxy = (getProxy) => {
+    return () => {
+      const proxy = getProxy();
+
+      if (!proxy) {
+        throw new UnexpectedStateError('HTTP(S) proxy must be configured.');
+      }
+
+      return parseProxyUrl(proxy);
+    };
+  };
+
+  const getHttpProxy = () => {
+    return proxyController.HTTP_PROXY;
+  };
+
+  const BoundHttpProxyAgent = class extends HttpProxyAgent {
+    constructor () {
+      super(
+        () => {
+          return getHttpProxy();
+        },
+        mustUrlUseProxy(getHttpProxy),
+        getUrlProxy(getHttpProxy),
+        http.globalAgent,
+        configuration.socketConnectionTimeout,
+      );
+    }
+  };
+
+  const httpAgent = new BoundHttpProxyAgent();
+
+  const getHttpsProxy = () => {
+    return proxyController.HTTPS_PROXY || proxyController.HTTP_PROXY;
+  };
+
+  const BoundHttpsProxyAgent = class extends HttpsProxyAgent {
+    constructor () {
+      super(
+        () => {
+          return getHttpsProxy();
+        },
+        mustUrlUseProxy(getHttpsProxy),
+        getUrlProxy(getHttpsProxy),
+        https.globalAgent,
+        configuration.socketConnectionTimeout,
+      );
+    }
+  };
+
+  const httpsAgent = new BoundHttpsProxyAgent();
+
+  // Overriding globalAgent was added in v11.7.
+  // @see https://nodejs.org/uk/blog/release/v11.7.0/
+  if (semver.gte(process.version, 'v11.7.0')) {
+    // @see https://github.com/facebook/flow/issues/7670
+    // $FlowFixMe
+    http.globalAgent = httpAgent;
+
+    // $FlowFixMe
+    https.globalAgent = httpsAgent;
+  }
+
+  // The reason this logic is used in addition to overriding http(s).globalAgent
+  // is because there is no guarantee that we set http(s).globalAgent variable
+  // before an instance of http(s).Agent has been already constructed by someone,
+  // e.g. Stripe SDK creates instances of http(s).Agent at the top-level.
+  // @see https://github.com/gajus/global-agent/pull/13
+  //
+  // We still want to override http(s).globalAgent when possible to enable logic
+  // in `bindHttpMethod`.
+  if (semver.gte(process.version, 'v10.0.0')) {
+    // $FlowFixMe
+    http.get = bindHttpMethod(httpGet, httpAgent, configuration.forceGlobalAgent);
+
+    // $FlowFixMe
+    http.request = bindHttpMethod(httpRequest, httpAgent, configuration.forceGlobalAgent);
+
+    // $FlowFixMe
+    https.get = bindHttpMethod(httpsGet, httpsAgent, configuration.forceGlobalAgent);
+
+    // $FlowFixMe
+    https.request = bindHttpMethod(httpsRequest, httpsAgent, configuration.forceGlobalAgent);
+  } else {
+    log.warn('attempt to initialize global-agent in unsupported Node.js version was ignored');
+  }
+
+  return proxyController;
+};
diff --git a/desktop/node_modules/global-agent/src/factories/createProxyController.js b/desktop/node_modules/global-agent/src/factories/createProxyController.js
new file mode 100644
index 0000000..5805ec8
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/factories/createProxyController.js
@@ -0,0 +1,46 @@
+// @flow
+
+import Logger from '../Logger';
+
+type ProxyControllerType = {|
+  HTTP_PROXY: string | null,
+  HTTPS_PROXY: string | null,
+  NO_PROXY: string | null,
+|};
+
+const log = Logger.child({
+  namespace: 'createProxyController',
+});
+
+const KNOWN_PROPERTY_NAMES = [
+  'HTTP_PROXY',
+  'HTTPS_PROXY',
+  'NO_PROXY',
+];
+
+export default (): ProxyControllerType => {
+  // eslint-disable-next-line fp/no-proxy
+  return new Proxy({
+    HTTP_PROXY: null,
+    HTTPS_PROXY: null,
+    NO_PROXY: null,
+  }, {
+    set: (subject, name, value) => {
+      if (!KNOWN_PROPERTY_NAMES.includes(name)) {
+        throw new Error('Cannot set an unmapped property "' + name + '".');
+      }
+
+      subject[name] = value;
+
+      log.info({
+        change: {
+          name,
+          value,
+        },
+        newConfiguration: subject,
+      }, 'configuration changed');
+
+      return true;
+    },
+  });
+};
diff --git a/desktop/node_modules/global-agent/src/factories/index.js b/desktop/node_modules/global-agent/src/factories/index.js
new file mode 100644
index 0000000..c16eca6
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/factories/index.js
@@ -0,0 +1,4 @@
+// @flow
+
+export {default as createGlobalProxyAgent} from './createGlobalProxyAgent';
+export {default as createProxyController} from './createProxyController';
diff --git a/desktop/node_modules/global-agent/src/index.js b/desktop/node_modules/global-agent/src/index.js
new file mode 100644
index 0000000..14da1ba
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/index.js
@@ -0,0 +1,4 @@
+// @flow
+
+export {bootstrap} from './routines';
+export {createGlobalProxyAgent} from './factories';
diff --git a/desktop/node_modules/global-agent/src/routines/bootstrap.js b/desktop/node_modules/global-agent/src/routines/bootstrap.js
new file mode 100644
index 0000000..038feb3
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/routines/bootstrap.js
@@ -0,0 +1,25 @@
+// @flow
+
+import Logger from '../Logger';
+import {
+  createGlobalProxyAgent,
+} from '../factories';
+import type {
+  ProxyAgentConfigurationInputType,
+} from '../types';
+
+const log = Logger.child({
+  namespace: 'bootstrap',
+});
+
+export default (configurationInput?: ProxyAgentConfigurationInputType): boolean => {
+  if (global.GLOBAL_AGENT) {
+    log.warn('found global.GLOBAL_AGENT; second attempt to bootstrap global-agent was ignored');
+
+    return false;
+  }
+
+  global.GLOBAL_AGENT = createGlobalProxyAgent(configurationInput);
+
+  return true;
+};
diff --git a/desktop/node_modules/global-agent/src/routines/index.js b/desktop/node_modules/global-agent/src/routines/index.js
new file mode 100644
index 0000000..e47a8a0
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/routines/index.js
@@ -0,0 +1,3 @@
+// @flow
+
+export {default as bootstrap} from './bootstrap';
diff --git a/desktop/node_modules/global-agent/src/types.js b/desktop/node_modules/global-agent/src/types.js
new file mode 100644
index 0000000..e2f1a99
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/types.js
@@ -0,0 +1,66 @@
+// @flow
+
+import {
+  Socket,
+} from 'net';
+import {
+  TLSSocket,
+} from 'tls';
+import {
+  Agent as HttpAgent,
+} from 'http';
+import {
+  Agent as HttpsAgent,
+} from 'https';
+
+export type ProxyConfigurationType = {|
+  +authorization: string,
+  +hostname: string,
+  +port: number,
+|};
+
+export type TlsConfigurationType = {|
+  +ca?: string,
+  +cert?: string,
+  +ciphers?: string,
+  +clientCertEngine?: string,
+  +crl?: string,
+  +dhparam?: string,
+  +ecdhCurve?: string,
+  +honorCipherOrder?: boolean,
+  +key?: string,
+  +passphrase?: string,
+  +pfx?: string,
+  +rejectUnauthorized?: boolean,
+  +secureOptions?: number,
+  +secureProtocol?: string,
+  +servername?: string,
+  +sessionIdContext?: string,
+|};
+
+export type ConnectionConfigurationType = {|
+  +host: string,
+  +port: number,
+  +tls?: TlsConfigurationType,
+  +proxy: ProxyConfigurationType,
+|};
+
+export type ConnectionCallbackType = (error: Error | null, socket?: Socket | TLSSocket) => void;
+
+export type AgentType = HttpAgent | HttpsAgent;
+export type IsProxyConfiguredMethodType = () => boolean;
+export type MustUrlUseProxyMethodType = (url: string) => boolean;
+export type GetUrlProxyMethodType = (url: string) => ProxyConfigurationType;
+export type ProtocolType = 'http:' | 'https:';
+
+export type ProxyAgentConfigurationInputType = {|
+  +environmentVariableNamespace?: string,
+  +forceGlobalAgent?: boolean,
+  +socketConnectionTimeout?: number,
+|};
+
+export type ProxyAgentConfigurationType = {|
+  +environmentVariableNamespace: string,
+  +forceGlobalAgent: boolean,
+  +socketConnectionTimeout: number,
+|};
diff --git a/desktop/node_modules/global-agent/src/utilities/bindHttpMethod.js b/desktop/node_modules/global-agent/src/utilities/bindHttpMethod.js
new file mode 100644
index 0000000..f8859b5
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/utilities/bindHttpMethod.js
@@ -0,0 +1,54 @@
+// @flow
+
+import http from 'http';
+import https from 'https';
+
+type AgentType = http.Agent | https.Agent;
+
+// eslint-disable-next-line flowtype/no-weak-types
+export default (originalMethod: Function, agent: AgentType, forceGlobalAgent: boolean) => {
+  // eslint-disable-next-line unicorn/prevent-abbreviations
+  return (...args: *) => {
+    let url;
+    let options;
+    let callback;
+
+    if (typeof args[0] === 'string' || args[0] instanceof URL) {
+      url = args[0];
+
+      if (typeof args[1] === 'function') {
+        options = {};
+        callback = args[1];
+      } else {
+        options = {
+          ...args[1],
+        };
+        callback = args[2];
+      }
+    } else {
+      options = {
+        ...args[0],
+      };
+      callback = args[1];
+    }
+
+    if (forceGlobalAgent) {
+      options.agent = agent;
+    } else {
+      if (!options.agent) {
+        options.agent = agent;
+      }
+
+      if (options.agent === http.globalAgent || options.agent === https.globalAgent) {
+        options.agent = agent;
+      }
+    }
+
+    if (url) {
+      // $FlowFixMe
+      return originalMethod(url, options, callback);
+    } else {
+      return originalMethod(options, callback);
+    }
+  };
+};
diff --git a/desktop/node_modules/global-agent/src/utilities/index.js b/desktop/node_modules/global-agent/src/utilities/index.js
new file mode 100644
index 0000000..3412387
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/utilities/index.js
@@ -0,0 +1,5 @@
+// @flow
+
+export {default as bindHttpMethod} from './bindHttpMethod';
+export {default as isUrlMatchingNoProxy} from './isUrlMatchingNoProxy';
+export {default as parseProxyUrl} from './parseProxyUrl';
diff --git a/desktop/node_modules/global-agent/src/utilities/isUrlMatchingNoProxy.js b/desktop/node_modules/global-agent/src/utilities/isUrlMatchingNoProxy.js
new file mode 100644
index 0000000..f2de584
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/utilities/isUrlMatchingNoProxy.js
@@ -0,0 +1,37 @@
+// @flow
+
+import {
+  parse as parseUrl,
+} from 'url';
+import matcher from 'matcher';
+import {
+  UnexpectedStateError,
+} from '../errors';
+
+export default (subjectUrl: string, noProxy: string) => {
+  const subjectUrlTokens = parseUrl(subjectUrl);
+
+  const rules = noProxy.split(/[\s,]+/);
+
+  for (const rule of rules) {
+    const ruleMatch = rule
+      .replace(/^(?<leadingDot>\.)/, '*')
+      .match(/^(?<hostname>.+?)(?::(?<port>\d+))?$/);
+
+    if (!ruleMatch || !ruleMatch.groups) {
+      throw new UnexpectedStateError('Invalid NO_PROXY pattern.');
+    }
+
+    if (!ruleMatch.groups.hostname) {
+      throw new UnexpectedStateError('NO_PROXY entry pattern must include hostname. Use * to match any hostname.');
+    }
+
+    const hostnameIsMatch = matcher.isMatch(subjectUrlTokens.hostname, ruleMatch.groups.hostname);
+
+    if (hostnameIsMatch && (!ruleMatch.groups || !ruleMatch.groups.port || subjectUrlTokens.port && subjectUrlTokens.port === ruleMatch.groups.port)) {
+      return true;
+    }
+  }
+
+  return false;
+};
diff --git a/desktop/node_modules/global-agent/src/utilities/parseProxyUrl.js b/desktop/node_modules/global-agent/src/utilities/parseProxyUrl.js
new file mode 100644
index 0000000..e2e9a6b
--- /dev/null
+++ b/desktop/node_modules/global-agent/src/utilities/parseProxyUrl.js
@@ -0,0 +1,36 @@
+// @flow
+
+import {
+  parse as parseUrl,
+} from 'url';
+import {
+  UnexpectedStateError,
+} from '../errors';
+
+export default (url: string) => {
+  const urlTokens = parseUrl(url);
+
+  if (urlTokens.query !== null) {
+    throw new UnexpectedStateError('Unsupported `GLOBAL_AGENT.HTTP_PROXY` configuration value: URL must not have query.');
+  }
+
+  if (urlTokens.hash !== null) {
+    throw new UnexpectedStateError('Unsupported `GLOBAL_AGENT.HTTP_PROXY` configuration value: URL must not have hash.');
+  }
+
+  if (urlTokens.protocol !== 'http:') {
+    throw new UnexpectedStateError('Unsupported `GLOBAL_AGENT.HTTP_PROXY` configuration value: URL protocol must be "http:".');
+  }
+
+  let port = 80;
+
+  if (urlTokens.port) {
+    port = Number.parseInt(urlTokens.port, 10);
+  }
+
+  return {
+    authorization: urlTokens.auth || null,
+    hostname: urlTokens.hostname,
+    port,
+  };
+};