ios_config_profile_builder.rb

# builder pattern in ruby
# inspired by https://github.com/tboyko/ios_config
# and http://blog.rubygeek.com/2009/11/24/builder-pattern-in-ruby/

module Payload
  # provide base for building Payloads in Configuration Profile
  class Base
    def build
      raise ArgumentError, "missing identifier" unless identifier
      
      Hash.new.tap do |key|
        key['PayloadVersion'] = 1 # do not modify
        # key['PayloadUUID'] = (uuid || UUIDTools::UUID.random_create).to_s.downcase.delete("^a-z0-9\.")
        key['PayloadUUID'] = (uuid || rand(1000)).to_s
        key['PayloadIdentifier'] = identifier
        key['PayloadType'] = payload_type
        
        # optional
        key['PayloadOrganization'] = organization if organization
        key['PayloadDisplayName'] = display_name if display_name
        key['PayloadDescription'] = description if description
      end
    end
    
  end
end

module Payload
  # Webclip payload in Configuration Profile
  class WebclipBuilder < Base
    attr_accessor :identifier, :payload_type, :display_name, :description, :organization, :uuid,
      :url, :icon, :label
    
    def initialize(&block)
      # default values
      @payload_type = "com.apple.webClip.managed" # do not modify
      @identifier = 'webclip.intranet'
      
      # set values from a block
      instance_eval &block if block_given?
    end
  
    def build
      super.tap do |key|
        key['IsRemovable'] = true # allow user to remove webclip
        key["Icon"] = StringIO.new(Base64.decode64(icon)) if icon
        key['Label'] = label 
        key['URL'] = url
      end
    end
    
  end
end

# Configuration Profile model, a container for payloads
class ProfileBuilder < Payload::Base
  attr_accessor :identifier, :payload_type, :display_name, :description, :organization, :uuid
  
  def initialize(&block)
    # default values
    @payload_type = "Configuration"
    @organization = "ProMDM"

    # set values from a block
    instance_eval &block if block_given?
    
    @payloads = []
  end
 
  def add_payload(payload)
    payload.identifier = "#{identifier}.#{payload.identifier}"
    payload.organization = payload.organization || organization
    @payloads << payload
  end
  
  def build
    super.tap do |key|
      key['PayloadContent'] = @payloads.map(&:build)
    end
  end

end



# usage:
profile = ProfileBuilder.new { |p| p.identifier = "net.promdm.profile1" }

webclip = Payload::WebclipBuilder.new do |w|
  w.identifier = "asss"
  w.label = "Labela"
end

profile.add_payload webclip
# webclip.identifier = "override"

# p webclip.build
p profile.build