Google Plus Profile parser written in Google Apps Script

GooglePlusParser.js

/**
 * Script for parsing Google+ Profile Data
 * @author Misha M.-Kupriyanov <m.kupriyanov@gmail.com> 
 * @license
 */

/**
 * Test run method
 */
function fetchTest() {
   
   var profile = getProfileById('104512463398531242371');
   Logger.log('testRun:' + profile);
 
}

/**
 * Get public Google+ profile data. Cached for 25 minutes
 * @param {integer} Google+ Profile Id
 * @return {array} profile object
 */
function getProfileById(userId) {
  Logger.log('getProfile:' + userId);
  
  if (!userId) {
    throw 'Missed parameter: google+ id';
  }
  
  var html = null;
  var url = 'https://plus.google.com/' + userId + '/about?hl=en';
  var data = new Object();
  
try {

//    var cache = CacheService.getPublicCache();
//    var cacheKey = 123; //shortKeyHash_(userId);
//    var html = cache.get(cacheKey);
    
//    if (html == null) {
      var response = UrlFetchApp.fetch(url);
      var html = response.getContentText();
//      cache.put(cacheKey, html, 1500); // cache for 25 minutes
//    }


  } catch(e) {
    return;
  }

  var profile = {id: userId
                , fullname: null
                , name: null
                , surname: null
                , followers: null
                , following: null
                , status: ''
                };

  
  try {
    //<span>11,686 have him in circles</span>
    var filterBegin = "({key: '5', isError:  false , data: ";
    var filterEnd = '});</script>';
    
    var response = html;
    var begin = response.indexOf(filterBegin) + filterBegin.length;
    response = response.substring(begin);
    var end = response.indexOf(filterEnd);
    response = response.substring(0, end);
    //Logger.log('response:' + response);
    
    data['followers'] = 'failed to parse';
    data['following'] = 'failed to parse';
    
    var gjson = toJSON_(response);
    var obj = Utilities.jsonParse(gjson);
    
    //Logger.log('obj:' + obj);
    
    //extend parsed data
    data = parseProfileData_(data, obj)
    
    profile.fullname = data.fullname;
    profile.name = data.name;
    profile.surname = data.surname;
    
    profile.followers = data.followers;
    profile.following = data.following;
    profile.status = data.status;
    
  } catch(e) {
    Logger.log('exception:' + e);
    return profile;
  }
   
  return profile;
}

function parseProfileData_(data, profile_gjson) {
    var following, followers = 'hidden';
    
    data['id'] = 'hidden';
    
    data['fullname'] = 'hidden';
    data['name'] = 'hidden';
    data['surname'] = 'hidden';
    
    data['followers'] = 'hidden';
    data['following'] = 'hidden';
    
   try {
       data['fullname'] = profile_gjson[2][4][3];
   } catch(e) {}
   
   try {
       data['name'] = profile_gjson[2][4][1];
   } catch(e) {}
   
   try {
       data['surname'] = profile_gjson[2][4][2];
   } catch(e) {}
   
   try {
       following = profile_gjson[3][0][0];
   } catch(e) {}
    

   try {
     followers = profile_gjson[3][2][0];
   } catch(e) {}
   
   
   try {
     data['id'] = profile_gjson[0];
     
     data['followers'] = followers;
     data['following'] = following;
     data['status'] = 'success';
     
   } catch(e) {
     Logger.log('exception:' + e);
     data['status'] = 'parse error';
   }
    
    
    return data
}

function shortKeyHash_(input) {
    return Utilities.base64Encode( Utilities.computeDigest( Utilities.DigestAlgorithm.SHA_1, input));
}

/**
 * convert Google JSON format to Normal JSON
 */
function toJSON_(str) {
    
    str = str.replace(")]}'\n", "");
    str = str.replace(",,", ",null,");
    str = str.replace(",,", ",null,");
    str = str.replace("[,", "[null,");
    
    var match = str.match(/{([^"]+):/);
    while (match) {
      str = str.replace(match[0], '{"' + match[1] + '":');
      match = str.match(/{([^"]+):/);
    }

    str = str.replace("[]", "null");

    return str;
}