Script to export Parse.com's data as JSON.

parsecom-exporter.rb

require 'rest-client'
require 'json'
require 'colorize'

# USAGE: Add your AppId and Master Key. Execute script (Custom classes are parsed from Schema).
# WARNING: PAGINATION IS MISSING.

ParseApiBaseUrl = "https://api.parse.com"
Headers = {
  "X-Parse-Application-Id" => "<INSERT_APP_ID_HERE>",
  "X-Parse-Master-Key" => "<INSERT_MASTER_KEY_HERE>",
  :content_type => :json,
  :accept => :json
}

def getEndpointData(endpointName, reserved = false, prettyPrinted = true)

  endpointRelativeUrl = reserved ? "/1/#{endpointName.downcase}" : "/1/classes/#{endpointName}"

  begin
    RestClient::Request.execute(
        method:   :get,
        url:      ParseApiBaseUrl + endpointRelativeUrl,
        headers:  Headers
    ) { |response, request, result, &block|

      if reserved
        puts "  Parsing #{endpointName} @ #{endpointRelativeUrl}"
      else
        puts "Parsing #{endpointName} @ #{endpointRelativeUrl}"
      end
      jsonResponse = JSON.parse(response)

      if jsonResponse.has_key?("error")
          raise jsonResponse["error"]
      end

      jsonResponseToSave = prettyPrinted ? JSON.pretty_generate(jsonResponse) : jsonResponse
      filename = endpointName.end_with?("s") ? "#{endpointName}.json" : "#{endpointName}.json"

      File.open(filename, 'w') { |file|
        file.write(jsonResponseToSave)
        file.close
      }

      if reserved
        puts "    File saved: #{filename}".green
      else
        puts "  File saved: #{filename}".green
      end

      if endpointName == "Schemas"
        classes = jsonResponse["results"]
                      .map { |val| val["className"] }
                      .select { |item| item.start_with?("_") === false }
        puts "  _Schema parsed. Classes found: #{classes}".blue

        classes.each { |val|
          getEndpointData(val, false)
        }
      end

    }
  rescue => e
    puts "  Error: #{e}".red
  end

end

start = Time.now

puts "\n\nParsing Parse.com's reserved endpoints:"
[ "Sessions", "Users", "Roles", "Installations", "Schemas" ]
  .each { |value| getEndpointData(value, true) }

puts "\n"
puts "Elapsed: #{Time.now - start}s".magenta