Class: Origami::PPKLite

Inherits:
Object
  • Object
show all
Defined in:
lib/origami/extensions/ppklite.rb,
lib/origami/parsers/ppklite.rb

Overview

Class representing an Adobe Reader certificate store.

Defined Under Namespace

Modules: Descriptor Classes: AddressList, Catalog, Certificate, Error, Header, PPK, Parser, Revision, User, UserList

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parser = nil) ⇒ PPKLite

:nodoc:



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# File 'lib/origami/extensions/ppklite.rb', line 203

def initialize(parser = nil) # :nodoc:
  @header = PPKLite::Header.new
  @revisions = [Revision.new(self)]
  @revisions.first.trailer = Trailer.new
  @parser = parser

  init if parser.nil?
end

Instance Attribute Details

#header ⇒ Object

Returns the value of attribute header.



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# File 'lib/origami/extensions/ppklite.rb', line 201

def header
  @header
end

#revisions ⇒ Object

Returns the value of attribute revisions.



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# File 'lib/origami/extensions/ppklite.rb', line 201

def revisions
  @revisions
end

Class Method Details

.read(path, options = {}) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 43

def self.read(path, options = {})
  path = File.expand_path(path) if path.is_a?(::String)

  PPKLite::Parser.new(options).parse(path)
end

Instance Method Details

#<<(object) ⇒ Object Also known as: insert 



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# File 'lib/origami/extensions/ppklite.rb', line 240

def <<(object)
  object.set_indirect(true)
  object.set_document(self)

  if object.no.zero?
    maxno = 1
    maxno = maxno.succ while get_object(maxno)

    object.generation = 0
    object.no = maxno
  end

  @revisions.first.body[object.reference] = object

  object.reference
end

#add_certificate(certfile, attributes, viewable: false, editable: false) ⇒ Object

Add a certificate into the address book



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# File 'lib/origami/extensions/ppklite.rb', line 342

def add_certificate(certfile, attributes, viewable: false, editable: false)
  x509 = if certfile.is_a?(OpenSSL::X509::Certificate)
    certfile
  else
    OpenSSL::X509::Certificate.new(certfile)
  end

  address_book = get_address_book

  cert = Certificate.new
  cert.Cert = x509.to_der
  cert.ID = address_book.NextID
  address_book.NextID += 1

  cert.Trust = attributes
  cert.Viewable = viewable
  cert.Editable = editable

  address_book.Entries.push(self << cert)
end

#cast_object(reference, type) ⇒ Object

:nodoc:



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# File 'lib/origami/extensions/ppklite.rb', line 217

def cast_object(reference, type) # :nodoc:
  @revisions.each do |rev|
    if rev.body.include?(reference) && (type < rev.body[reference].class)
      rev.body[reference] = rev.body[reference].cast_to(type, @parser)

      rev.body[reference]
    end
  end
end

#Catalog ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 258

def Catalog
  get_object(@revisions.first.trailer.Root)
end

#certificates ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 335

def certificates
  each_certificate.to_a
end

#each_certificate(&b) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 327

def each_certificate(&b)
  each_entry(Descriptor::CERTIFICATE, &b)
end

#each_user(&b) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 315

def each_user(&b)
  each_entry(Descriptor::USER, &b)
end

#get_certificate(id) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 331

def get_certificate(id)
  each_certificate.find { |cert| cert.ID == id }
end

#get_object(no, generation = 0) ⇒ Object

:nodoc:



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# File 'lib/origami/extensions/ppklite.rb', line 227

def get_object(no, generation = 0) # :nodoc:
  case no
  when Reference
    target = no
  when ::Integer
    target = Reference.new(no, generation)
  when Origami::Object
    return no
  end

  @revisions.first.body[target]
end

#get_user(id) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 319

def get_user(id)
  each_user.find { |user| user.ID == id }
end

#indirect_objects ⇒ Object Also known as: root_objects 



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# File 'lib/origami/extensions/ppklite.rb', line 212

def indirect_objects
  @revisions.inject([]) do |set, rev| set.concat(rev.objects) end
end

#save(path) ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 262

def save(path)
  bin = "".b
  bin << @header.to_s

  lastno, brange = 0, 0

  xrefs = [XRef.new(0, XRef::FIRSTFREE, XRef::FREE)]
  xrefsection = XRef::Section.new

  @revisions.first.body.values.sort.each { |obj|
    if (obj.no - lastno).abs > 1
      xrefsection << XRef::Subsection.new(brange, xrefs)
      brange = obj.no
      xrefs.clear
    end

    xrefs << XRef.new(bin.size, obj.generation, XRef::USED)
    lastno = obj.no

    obj.pre_build

    bin << obj.to_s

    obj.post_build
  }

  xrefsection << XRef::Subsection.new(brange, xrefs)

  @xreftable = xrefsection
  @trailer ||= Trailer.new
  @trailer.Size = @revisions.first.body.size + 1
  @trailer.startxref = bin.size

  bin << @xreftable.to_s
  bin << @trailer.to_s

  if path.respond_to?(:write)
    io = path
  else
    path = File.expand_path(path)
    io = File.open(path, "wb", encoding: 'binary')
    close = true
  end

  begin
    io.write(bin)
  ensure
    io.close if close
  end

  self
end

#users ⇒ Object 



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# File 'lib/origami/extensions/ppklite.rb', line 323

def users
  each_user.to_a
end