| #!/usr/bin/env python |
| # Copyright 2016 The Fuchsia Authors |
| # |
| # 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. |
| |
| import csv |
| |
| import analyzer |
| import utils.file_util as file_util |
| |
| class UrlAnalyzer: |
| """ An Analyzer that decrypts the data that was encrypted using Forculus |
| threshold encryption in the UrlRandomizer |
| """ |
| |
| def analyze(self): |
| ''' Uses Forculus to decrypt those entries that occur more than |
| |threshold| times, where |threshold| is read from the config file. |
| ''' |
| analyzer.analyzeUsingForculus(file_util.URL_SHUFFLER_OUTPUT_FILE_NAME, |
| file_util.FORCULUS_URL_CONFIG, |
| file_util.URL_ANALYZER_OUTPUT_FILE_NAME); |