chore: remove example keyfiles (#1045)

.gitignore

@@ -3,7 +3,6 @@ node_modules
 doc/
 npm-debug.log
 coverage
-.secrets.json
 # Empty API
 apis/iam/v1alpha1.js
 .nyc_output
@@ -13,3 +12,4 @@ apis/iam/v1alpha1.js
 .vscode
 **/*.d.ts
 **/credentials.json
+samples/*.keys.json

samples/jwt.js

@@ -14,6 +14,8 @@
 'use strict';
 
 const {google} = require('googleapis');
+const fs = require('fs');
+const path = require('path');
 
 /**
  * The JWT authorization is ideal for performing server-to-server
@@ -25,7 +27,11 @@ const {google} = require('googleapis');
  * See the defaultauth.js sample for an alternate way of fetching compute credentials.
  */
 
-const keys = require('./jwt.keys.json');
+let keys = {};
+const keyPath = path.join(__dirname, 'jwt.keys.json');
+if (fs.existsSync(keyPath)) {
+  keys = require(keyPath);
+}
 
 // Create a new JWT client using the key file downloaded from the Google Developer Console
 const jwtClient = new google.auth.JWT({

samples/sampleclient.js

@@ -19,28 +19,26 @@
  */
 
 const {google} = require('googleapis');
-const OAuth2Client = google.auth.OAuth2;
 const http = require('http');
 const url = require('url');
 const querystring = require('querystring');
 const opn = require('opn');
-const nconf = require('nconf');
-const path = require('path');
 const destroyer = require('server-destroy');
+const fs = require('fs');
+const path = require('path');
 
-nconf.argv().env()
-  .file(path.join(__dirname, 'oauth2.keys.json'));
-let keys = nconf.get('web');
-if (typeof keys === 'string') {
-  keys = JSON.parse(keys);
+const keyPath = path.join(__dirname, 'oauth2.keys.json');
+let keys = { redirect_uris: [''] };
+if (fs.existsSync(keyPath)) {
+  keys = require(keyPath).web;
 }
 
 class SampleClient {
   constructor (options) {
     this._options = options || { scopes: [] };
 
     // create an oAuth client to authorize the API call
-    this.oAuth2Client = new OAuth2Client(
+    this.oAuth2Client = new google.auth.OAuth2(
       keys.client_id,
       keys.client_secret,
       keys.redirect_uris[0]