text: // 
  // Copyright (c) Microsoft and contributors.  All rights reserved.
  // 
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //   http://www.apache.org/licenses/LICENSE-2.0
  // 
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // 
  // See the License for the specific language governing permissions and
  // limitations under the License.
  // 
  
  /**
   * Functions to work with key and certificate files
   */
  
  var fs = require('fs');
  var utils = require('./utils');
  
  var KEY_PATT = /(-+BEGIN RSA PRIVATE KEY-+)(\n\r?|\r\n?)([A-Za-z0-9\+\/\n\r]+\=*)(\n\r?|\r\n?)(-+END RSA PRIVATE KEY-+)/;
  var CERT_PATT = /(-+BEGIN CERTIFICATE-+)(\n\r?|\r\n?)([A-Za-z0-9\+\/\n\r]+\=*)(\n\r?|\r\n?)(-+END CERTIFICATE-+)/;
  
  exports.readFromFile = function readFromFile(fileName) {
    // other parameters are optional
    var data;
    try {
      data = fs.readFileSync(fileName, 'utf8');
    } catch(e) {
      throw new Error('No account information found. Please import credentials using "azure account import <file>".');
    }
  
    var ret = {};
    var matchKey = data.match(KEY_PATT);
    if (matchKey) {
      ret.key = matchKey[1] + '\n' + matchKey[3] + '\n' + matchKey[5] + '\n';
    }
  
    var matchCert = data.match(CERT_PATT);
    if (matchCert) {
      ret.cert = matchCert[1] + '\n' + matchCert[3] + '\n' + matchCert[5] + '\n';
    }
  
    return ret;
  };
  
  exports.writeToFile = function writeToFile(fileName, keyCertData) {
    var data = (keyCertData.key || '') + (keyCertData.cert || '');
    utils.writeFileSyncMode(fileName, data, 'utf8');
  };