Rake task to anonymize data

gistfile1.txt

#
# Copyright (c) 2009 Jonathan Dahl
#
# Released under the MIT license. See below for details.
#

namespace :db do
  namespace :data do
    desc "Anonymize sensitive information"
    task :anonymize => :environment do
      if RAILS_ENV == 'production'
        puts "Refusing to anonymize production data. You don't really want to do that."
      else
        puts "Anonymizing all name and email records in the #{RAILS_ENV} database."
        
        # User.find(:all).each do |user|
        #   user.name = Anonymizer.random_name
        #   user.email = Anonymizer.random_email(user.name)
        #   puts "Saving #{user.name} (#{user.email})"
        #   user.save!
        # end
      end
    end
  end
end

class Anonymizer
  def self.random_name
    "#{random_first_name} #{random_last_name}"
  end
  
  def self.random_first_name
    FIRSTNAMES[rand(FIRSTNAMES.size)]
  end
  
  def self.random_last_name
    LASTNAMES[rand(LASTNAMES.size)]
  end
  
  def self.random_email(name)
    "#{name.downcase.gsub(" ",".")}@example.com"
  end
 
  def self.random_phone
    "612-555-#{rand(8000) + 1000}"
  end
  
  FIRSTNAMES = %w(James
  John
  Robert
  Michael
  William
  David
  Richard
  Charles
  Joseph
  Thomas
  Christopher
  Daniel
  Paul
  Mark
  Donald
  George
  Kenneth
  Steven
  Edward
  Brian
  Ronald
  Anthony
  Kevin
  Jason
  Matthew
  Gary
  Timothy
  Jose
  Larry
  Jeffrey
  Frank
  Scott
  Eric
  Stephen
  Andrew
  Raymond
  Gregory
  Joshua
  Jerry
  Dennis
  Walter
  Patrick
  Peter
  Harold
  Douglas
  Henry
  Carl
  Arthur
  Ryan
  Roger
  Joe
  Juan
  Jack
  Albert
  Jonathan
  Justin
  Terry
  Gerald
  Keith
  Samuel
  Willie
  Lawrence
  Ralph
  Nicholas
  Roy
  Benjamin
  Bruce
  Brandon
  Adam
  Fred
  Harry
  Wayne
  Billy
  Steve
  Louis
  Jeremy
  Aaron
  Randy
  Eugene
  Howard
  Carlos
  Russell
  Bobby
  Victor
  Martin
  Ernest
  Phillip
  Todd
  Jesse
  Craig
  Alan
  Shawn
  Chris
  Clarence
  Philip
  Sean
  Johnny
  Earl
  Jimmy
  Antonio
  Bryan
  Danny
  Tony
  Mary
  Patricia
  Linda
  Barbara
  Elizabeth
  Jennifer
  Maria
  Susan
  Margaret
  Dorothy
  Lisa
  Nancy
  Karen
  Betty
  Helen
  Sandra
  Donna
  Carol
  Ruth
  Sharon
  Michelle
  Laura
  Sarah
  Kimberly
  Deborah
  Jessica
  Shirley
  Cynthia
  Angela
  Melissa
  Brenda
  Amy
  Anna
  Rebecca
  Virginia
  Kathleen
  Pamela
  Martha
  Debra
  Amanda
  Stephanie
  Carolyn
  Christine
  Janet
  Marie
  Catherine
  Frances
  Ann
  Joyce
  Diane
  Alice
  Julie
  Heather
  Teresa
  Doris
  Gloria
  Evelyn
  Cheryl
  Jean
  Katherine
  Mildred
  Joan
  Ashley
  Judith
  Rose
  Janice
  Kelly
  Nicole
  Judy
  Christina
  Kathy
  Theresa
  Beverly
  Denise
  Tammy
  Irene
  Jane
  Lori
  Rachel
  Marilyn
  Andrea
  Kathryn
  Louise
  Sara
  Anne
  Jacqueline
  Wanda
  Bonnie
  Julia
  Ruby
  Lois
  Tina
  Phyllis
  Norma
  Paula
  Annie
  Diana
  Lillian
  Emily
  Peggy
  Robin)
  LASTNAMES = %w(
  Abbott
  Acevedo
  Acosta
  Adams
  Adkins
  Aguilar
  Aguirre
  Albert
  Alexander
  Alford
  Allen
  Allison
  Alston
  Alvarado
  Alvarez
  Anderson
  Andrews
  Anthony
  Armstrong
  Arnold
  Ashley
  Atkins
  Atkinson
  Austin
  Avery
  Avila
  Ayala
  Ayers
  Bailey
  Baird
  Baker
  Baldwin
  Ball
  Ballard
  Banks
  Barber
  Barker
  Barlow
  Barnes
  Barnett
  Barr
  Barrera
  Barrett
  Barron
  Barry
  Bartlett
  Barton
  Bass
  Bates
  Battle
  Bauer
  Baxter
  Beach
  Bean
  Beard
  Beasley
  Beck
  Becker
  Bell
  Bender
  Benjamin
  Bennett
  Benson
  Bentley
  Benton
  Berg
  Berger
  Bernard
  Berry
  Best
  Bird
  Bishop
  Black
  Blackburn
  Blackwell
  Blair
  Blake
  Blanchard
  Blankenship
  Blevins
  Bolton
  Bond
  Bonner
  Booker
  Boone
  Booth
  Bowen
  Bowers
  Bowman
  Boyd
  Boyer
  Boyle
  Bradford
  Bradley
  Bradshaw
  Brady
  Branch
  Bray
  Brennan
  Brewer
  Bridges
  Briggs
  Bright
  Britt
  Brock
  Brooks
  Brown
  Browning
  Bruce
  Bryan
  Bryant
  Buchanan
  Buck
  Buckley
  Buckner
  Bullock
  Burch
  Burgess
  Burke
  Burks
  Burnett
  Burns
  Burris
  Burt
  Burton
  Bush
  Butler
  Byers
  Byrd
  Cabrera
  Cain
  Calderon
  Caldwell
  Calhoun
  Callahan
  Camacho
  Cameron
  Campbell
  Campos
  Cannon
  Cantrell
  Cantu
  Cardenas
  Carey
  Carlson
  Carney
  Carpenter
  Carr
  Carrillo
  Carroll
  Carson
  Carter
  Carver
  Case
  Casey
  Cash
  Castaneda
  Castillo
  Castro
  Cervantes
  Chambers
  Chan
  Chandler
  Chaney
  Chang
  Chapman
  Charles
  Chase
  Chavez
  Chen
  Cherry
  Christensen
  Christian
  Church
  Clark
  Clarke
  Clay
  Clayton
  Clements
  Clemons
  Cleveland
  Cline
  Cobb
  Cochran
  Coffey
  Cohen
  Cole
  Coleman
  Collier
  Collins
  Colon
  Combs
  Compton
  Conley
  Conner
  Conrad
  Contreras
  Conway
  Cook
  Cooke
  Cooley
  Cooper
  Copeland
  Cortez
  Cote
  Cotton
  Cox
  Craft
  Craig
  Crane
  Crawford
  Crosby
  Cross
  Cruz
  Cummings
  Cunningham
  Curry
  Curtis
  Dale
  Dalton
  Daniel
  Daniels
  Daugherty
  Davenport
  David
  Davidson
  Davis
  Dawson
  Day
  Dean
  Decker
  Dejesus
  Delacruz
  Delaney
  Deleon
  Delgado
  Dennis
  Diaz
  Dickerson
  Dickson
  Dillard
  Dillon
  Dixon
  Dodson
  Dominguez
  Donaldson
  Donovan
  Dorsey
  Dotson
  Douglas
  Downs
  Doyle
  Drake
  Dudley
  Duffy
  Duke
  Duncan
  Dunlap
  Dunn
  Duran
  Durham
  Dyer
  Eaton
  Edwards
  Elliott
  Ellis
  Ellison
  Emerson
  England
  English
  Erickson
  Espinoza
  Estes
  Estrada
  Evans
  Everett
  Ewing
  Farley
  Farmer
  Farrell
  Faulkner
  Ferguson
  Fernandez
  Ferrell
  Fields
  Figueroa
  Finch
  Finley
  Fischer
  Fisher
  Fitzgerald
  Fitzpatrick
  Fleming
  Fletcher
  Flores
  Flowers
  Floyd
  Flynn
  Foley
  Forbes
  Ford
  Foreman
  Foster
  Fowler
  Fox
  Francis
  Franco
  Frank
  Franklin
  Franks
  Frazier
  Frederick
  Freeman
  French
  Frost
  Fry
  Frye
  Fuentes
  Fuller
  Fulton
  Gaines
  Gallagher
  Gallegos
  Galloway
  Gamble
  Garcia
  Gardner
  Garner
  Garrett
  Garrison
  Garza
  Gates
  Gay
  Gentry
  George
  Gibbs
  Gibson
  Gilbert
  Giles
  Gill
  Gillespie
  Gilliam
  Gilmore
  Glass
  Glenn
  Glover
  Goff
  Golden
  Gomez
  Gonzales
  Gonzalez
  Good
  Goodman
  Goodwin
  Gordon
  Gould
  Graham
  Grant
  Graves
  Gray
  Green
  Greene
  Greer
  Gregory
  Griffin
  Griffith
  Grimes
  Gross
  Guerra
  Guerrero
  Guthrie
  Gutierrez
  Guy
  Guzman
  Hahn
  Hale
  Haley
  Hall
  Hamilton
  Hammond
  Hampton
  Hancock
  Haney
  Hansen
  Hanson
  Hardin
  Harding
  Hardy
  Harmon
  Harper
  Harrell
  Harrington
  Harris
  Harrison
  Hart
  Hartman
  Harvey
  Hatfield
  Hawkins
  Hayden
  Hayes
  Haynes
  Hays
  Head
  Heath
  Hebert
  Henderson
  Hendricks
  Hendrix
  Henry
  Hensley
  Henson
  Herman
  Hernandez
  Herrera
  Herring
  Hess
  Hester
  Hewitt
  Hickman
  Hicks
  Higgins
  Hill
  Hines
  Hinton
  Hobbs
  Hodge
  Hodges
  Hoffman
  Hogan
  Holcomb
  Holden
  Holder
  Holland
  Holloway
  Holman
  Holmes
  Holt
  Hood
  Hooper
  Hoover
  Hopkins
  Hopper
  Horn
  Horne
  Horton
  House
  Houston
  Howard
  Howe
  Howell
  Hubbard
  Huber
  Hudson
  Huff
  Huffman
  Hughes
  Hull
  Humphrey
  Hunt
  Hunter
  Hurley
  Hurst
  Hutchinson
  Hyde
  Ingram
  Irwin
  Jackson
  Jacobs
  Jacobson
  James
  Jarvis
  Jefferson
  Jenkins
  Jennings
  Jensen
  Jimenez
  Johns
  Johnson
  Johnston
  Jones
  Jordan
  Joseph
  Joyce
  Joyner
  Juarez
  Justice
  Kane
  Kaufman
  Keith
  Keller
  Kelley
  Kelly
  Kemp
  Kennedy
  Kent
  Kerr
  Key
  Kidd
  Kim
  King
  Kinney
  Kirby
  Kirk
  Kirkland
  Klein
  Kline
  Knapp
  Knight
  Knowles
  Knox
  Koch
  Kramer
  Lamb
  Lambert
  Lancaster
  Landry
  Lane
  Lang
  Langley
  Lara
  Larsen
  Larson
  Lawrence
  Lawson
  Le
  Leach
  Leblanc
  Lee
  Leon
  Leonard
  Lester
  Levine
  Levy
  Lewis
  Lindsay
  Lindsey
  Little
  Livingston
  Lloyd
  Logan
  Long
  Lopez
  Lott
  Love
  Lowe
  Lowery
  Lucas
  Luna
  Lynch
  Lynn
  Lyons
  MacDonald
  Macias
  Mack
  Madden
  Maddox
  Maldonado
  Malone
  Mann
  Manning
  Marks
  Marquez
  Marsh
  Marshall
  Martin
  Martinez
  Mason
  Massey
  Mathews
  Mathis
  Matthews
  Maxwell
  May
  Mayer
  Maynard
  Mayo
  Mays
  McBride
  McCall
  McCarthy
  McCarty
  McClain
  McClure
  McConnell
  McCormick
  McCoy
  McCray
  McCullough
  McDaniel
  McDonald
  McDowell
  McFadden
  McFarland
  McGee
  McGowan
  McGuire
  Mcintosh
  McIntyre
  McKay
  McKee
  McKenzie
  McKinney
  McKnight
  McLaughlin
  McLean
  McLeod
  McMahon
  McMillan
  McNeil
  McPherson
  Meadows
  Medina
  Mejia
  Melendez
  Melton
  Mendez
  Mendoza
  Mercado
  Mercer
  Merrill
  Merritt
  Meyer
  Meyers
  Michael
  Middleton
  Miles
  Miller
  Mills
  Miranda
  Mitchell
  Molina
  Monroe
  Montgomery
  Montoya
  Moody
  Moon
  Mooney
  Moore
  Morales
  Moran
  Moreno
  Morgan
  Morin
  Morris
  Morrison
  Morrow
  Morse
  Morton
  Moses
  Mosley
  Moss
  Mueller
  Mullen
  Mullins
  Munoz
  Murphy
  Murray
  Myers
  Nash
  Navarro
  Neal
  Nelson
  Newman
  Newton
  Nguyen
  Nichols
  Nicholson
  Nielsen
  Nieves
  Nixon
  Noble
  Noel
  Nolan
  Norman
  Norris
  Norton
  Nunez
  Obrien
  Ochoa
  Oconnor
  Odom
  Odonnell
  Oliver
  Olsen
  Olson
  Oneal
  Oneil
  Oneill
  Orr
  Ortega
  Ortiz
  Osborn
  Osborne
  Owen
  Owens
  Pace
  Pacheco
  Padilla
  Page
  Palmer
  Park
  Parker
  Parks
  Parrish
  Parsons
  Pate
  Patel
  Patrick
  Patterson
  Patton
  Paul
  Payne
  Pearson
  Peck
  Pena
  Pennington
  Perez
  Perkins
  Perry
  Peters
  Petersen
  Peterson
  Petty
  Phelps
  Phillips
  Pickett
  Pierce
  Pittman
  Pitts
  Pollard
  Poole
  Pope
  Porter
  Potter
  Potts
  Powell
  Powers
  Pratt
  Preston
  Price
  Prince
  Pruitt
  Puckett
  Pugh
  Quinn
  Ramirez
  Ramos
  Ramsey
  Randall
  Randolph
  Rasmussen
  Ratliff
  Ray
  Raymond
  Reed
  Reese
  Reeves
  Reid
  Reilly
  Reyes
  Reynolds
  Rhodes
  Rice
  Rich
  Richard
  Richards
  Richardson
  Richmond
  Riddle
  Riggs
  Riley
  Rios
  Rivas
  Rivera
  Rivers
  Roach
  Robbins
  Roberson
  Roberts
  Robertson
  Robinson
  Robles
  Rocha
  Rodgers
  Rodriguez
  Rodriquez
  Rogers
  Rojas
  Rollins
  Roman
  Romero
  Rosa
  Rosales
  Rosario
  Rose
  Ross
  Roth
  Rowe
  Rowland
  Roy
  Ruiz
  Rush
  Russell
  Russo
  Rutledge
  Ryan
  Salas
  Salazar
  Salinas
  Sampson
  Sanchez
  Sanders
  Sandoval
  Sanford
  Santana
  Santiago
  Santos
  Sargent
  Saunders
  Savage
  Sawyer
  Schmidt
  Schneider
  Schroeder
  Schultz
  Schwartz
  Scott
  Sears
  Sellers
  Serrano
  Sexton
  Shaffer
  Shannon
  Sharp
  Sharpe
  Shaw
  Shelton
  Shepard
  Shepherd
  Sheppard
  Sherman
  Shields
  Short
  Silva
  Simmons
  Simon
  Simpson
  Sims
  Singleton
  Skinner
  Slater
  Sloan
  Small
  Smith
  Snider
  Snow
  Snyder
  Solis
  Solomon
  Sosa
  Soto
  Sparks
  Spears
  Spence
  Spencer
  Stafford
  Stanley
  Stanton
  Stark
  Steele
  Stein
  Stephens
  Stephenson
  Stevens
  Stevenson
  Stewart
  Stokes
  Stone
  Stout
  Strickland
  Strong
  Stuart
  Suarez
  Sullivan
  Summers
  Sutton
  Swanson
  Sweeney
  Sweet
  Sykes
  Talley
  Tanner
  Tate
  Taylor
  Terrell
  Terry
  Thomas
  Thompson
  Thornton
  Tillman
  Todd
  Torres
  Townsend
  Tran
  Travis
  Trevino
  Trujillo
  Tucker
  Turner
  Tyler
  Tyson
  Underwood
  Valdez
  Valencia
  Valentine
  Valenzuela
  Vance
  Vang
  Vargas
  Vasquez
  Vaughan
  Vaughn
  Vazquez
  Vega
  Velasquez
  Velazquez
  Velez
  Villarreal
  Vincent
  Vinson
  Wade
  Wagner
  Walker
  Wall
  Wallace
  Waller
  Walls
  Walsh
  Walter
  Walters
  Walton
  Ward
  Ware
  Warner
  Warren
  Washington
  Waters
  Watkins
  Watson
  Watts
  Weaver
  Webb
  Weber
  Webster
  Weeks
  Weiss
  Welch
  Wells
  West
  Wheeler
  Whitaker
  White
  Whitehead
  Whitfield
  Whitley
  Whitney
  Wiggins
  Wilcox
  Wilder
  Wiley
  Wilkerson
  Wilkins
  Wilkinson
  William
  Williams
  Williamson
  Willis
  Wilson
  Winters
  Wise
  Witt
  Wolf
  Wolfe
  Wong
  Wood
  Woodard
  Woods
  Woodward
  Wooten
  Workman
  Wright
  Wyatt
  Wynn
  Yang
  Yates
  York
  Young
  Zamora
  Zimmerman)
end

# Copyright (c) 2009 Jonathan Dahl
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.