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

#headerObject

Returns the value of attribute header


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

def header
  @header
end

#revisionsObject

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 45

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 242

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 344

def add_certificate(certfile, attributes, viewable: false, editable: false)
    if certfile.is_a?(OpenSSL::X509::Certificate)
        x509 = certfile
    else
        x509 = 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) and type < rev.body[reference].class
            rev.body[reference] = rev.body[reference].cast_to(type, @parser)

            rev.body[reference]
        else
            nil
        end
    end
end

#CatalogObject


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# File 'lib/origami/extensions/ppklite.rb', line 260

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

#certificatesObject


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# File 'lib/origami/extensions/ppklite.rb', line 337

def certificates
    self.each_certificate.to_a
end

#each_certificate(&b) ⇒ Object


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# File 'lib/origami/extensions/ppklite.rb', line 329

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 317

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 333

def get_certificate(id)
    self.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 229

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 321

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

#indirect_objectsObject 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 264

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

#usersObject


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# File 'lib/origami/extensions/ppklite.rb', line 325

def users
    self.each_user.to_a
end