work in progress for certs support

Author: swistaczek

Gemfile

@@ -7,4 +7,5 @@ group :development do
   gem "rdoc"
   gem "bundler"
   gem "jeweler"
+  gem "pry"
 end

Gemfile.lock

@@ -8,10 +8,13 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
     addressable (2.3.5)
+    atomic (1.1.13)
     atomic (1.1.13-java)
     builder (3.2.2)
+    coderay (1.0.9)
     faraday (0.8.8)
       multipart-post (~> 1.2.0)
+    ffi (1.9.0-java)
     git (1.2.6)
     github_api (0.10.1)
       addressable
@@ -33,13 +36,16 @@ GEM
       nokogiri (= 1.5.10)
       rake
       rdoc
+    json (1.8.0)
     json (1.8.0-java)
     jwt (0.1.8)
       multi_json (>= 1.5)
+    method_source (0.8.2)
     minitest (4.7.5)
     multi_json (1.7.9)
     multi_xml (0.5.5)
     multipart-post (1.2.0)
+    nokogiri (1.5.10)
     nokogiri (1.5.10-java)
     oauth2 (0.9.2)
       faraday (~> 0.8)
@@ -48,6 +54,11 @@ GEM
       multi_json (~> 1.0)
       multi_xml (~> 0.5)
       rack (~> 1.2)
+    pry (0.9.12.2-java)
+      coderay (~> 1.0.5)
+      method_source (~> 0.8)
+      slop (~> 3.4)
+      spoon (~> 0.0)
     rack (1.5.2)
     rake (10.1.0)
     rdoc (4.0.1)
@@ -58,6 +69,11 @@ GEM
     shoulda-context (1.1.5)
     shoulda-matchers (2.3.0)
       activesupport (>= 3.0.0)
+    slop (3.4.6)
+    spoon (0.0.4)
+      ffi
+    thread_safe (0.1.2)
+      atomic
     thread_safe (0.1.2-java)
       atomic
     tzinfo (0.3.37)
@@ -68,5 +84,6 @@ PLATFORMS
 DEPENDENCIES
   bundler
   jeweler
+  pry
   rdoc
   shoulda

README.rdoc

@@ -5,21 +5,35 @@ IText Pdf generation static java build packed to gem with some additional Ruby m
 == Usage
 
 === Instalation
-    require 'itext-jruby'
+  
+  gem install itext-jruby
 
 == Example
+  
+    require 'pry'
+    require 'itext-jruby'
 
-    @source_pdf   = File.expand_path('pdf_demo.pdf')
-    @sample_image = File.expand_path('ja.jpg')
-    @output_pdf   = File.expand_path('out.pdf')
+    @source_pdf   = File.expand_path('test/assets/sample.pdf')
+    @sample_image = File.expand_path('test/assets/pug.jpg')
+    @output_pdf   = File.expand_path('output.pdf')
+    @cert_file    = File.expand_path('test/assets/cert/ia.p12')
 
-    @pdf_document = Itext.new(path: @path)
-    @pdf_document.add_attachment @pathb
-    @pdf_document.save(@out)
+    @pdf_document = Itext.new(path: @source_pdf)
+    @pdf_document.add_attachment @sample_image
+    @pdf_document.enable_signing!(private_key_path: @cert_file)
+    @pdf_document.save(@output_pdf)
 
 Find more examples in test directory.
 
 
+== Changelog
+* 0.0.6 - First stable version allowing adding attachments to PdfFile
+* 0.0.7 - Add option to sign documents usign pkcs12 certificates
+
+== Read more
+* Creating pkcs12 certs: http://www.flatmtn.com/article/creating-pkcs12-certificates
+* Converting .pem to .pcks: http://www.advogato.org/person/johnnyb/diary.html?start=143
+
 == Contributing to itext-jruby
 
 * Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet.

VERSION

@@ -1 +1 @@
-0.0.6
+0.0.7

itext-jruby.gemspec

@@ -5,7 +5,7 @@
 
 Gem::Specification.new do |s|
   s.name = "itext-jruby"
-  s.version = "0.0.5"
+  s.version = "0.0.6"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Ernest Bursa"]

lib/itext.rb

@@ -1,10 +1,13 @@
 # encoding: utf-8
 require 'pathname'
+require 'tempfile'
 
 class Itext
   require 'itext/attachments'
+  require 'itext/signing'
 
   include Attachments
+  include Signing
 
   # Create new Itext document instance
   # Required params:
@@ -19,7 +22,10 @@ def initialize(*args, &block)
     raise ArgumentError.new('Please provide absolute path') unless Pathname.new(@path).absolute?
   end
 
-  def save(save_to = nil)
+  # Saves file to given destination
+  # Usage: save(path, options = {})
+  # Allowed options: { sign_document: true }
+  def save(save_to = nil, opts = {})
     save_to ||= @path
 
     output_file = if File.exists?(@path)
@@ -30,7 +36,7 @@ def save(save_to = nil)
 
     @reader   = Java::ComLowagieTextPdf::PdfReader.new(@path.to_java(:string))
     @buffer   = Java::JavaIo::FileOutputStream.new output_file.path
-    @stamper  = Java::ComLowagieTextPdf::PdfStamper.new @reader, @buffer
+    @stamper  = initialize_stamper
 
     # Run all attached hooks
     @hooks.each { |hook| hook.call }
@@ -48,6 +54,17 @@ def save(save_to = nil)
 
   protected
 
+  # Creates default stamper
+  def initialize_stamper
+    stamper = super rescue nil
+    if stamper
+      stamper
+    else
+      # Initialize default stamper
+      Java::ComLowagieTextPdf::PdfStamper.new @reader, @buffer
+    end
+  end
+
   def hooks
     @hooks || []
   end

lib/itext/attachments.rb

@@ -4,6 +4,8 @@ module Itext::Attachments
   def initialize(*args, &block)
     @hooks     ||= []
     @hooks.push ->{ process_attachments }
+
+    super rescue nil
   end
 
   def self.included(base)
@@ -44,23 +46,25 @@ def remove_attachments(attachments)
   def process_attachments
     @writer   = @stamper.getWriter.to_java(Java::ComLowagieTextPdf::PdfWriter)
 
-    @attachments.each do |attachment|
-      if attachment.is_a?(Hash)
-        attachment_path = attachment[:path]
-        attachment_name = attachment[:file_name]
-      elsif attachment.is_a?(String)
-        attachment_path = attachment
-        attachment_name = Pathname.new(attachment_path).basename
-      else
-        raise ArgumentError.new("Specify hash with :path and :file_name or string with path")
-      end
+    if @attachments && @attachments.size > 0
+      @attachments.each do |attachment|
+        if attachment.is_a?(Hash)
+          attachment_path = attachment[:path]
+          attachment_name = attachment[:file_name]
+        elsif attachment.is_a?(String)
+          attachment_path = attachment.to_s
+          attachment_name = Pathname.new(attachment_path).basename.to_s
+        else
+          raise ArgumentError.new("Specify hash with :path and :file_name or string with path")
+        end
 
-      attachment_spec = Java::ComLowagieTextPdf::PdfFileSpecification.fileEmbedded @writer, 
-                                                                                   attachment_path.to_s.to_java_string,
-                                                                                   attachment_name.to_s.to_java_string,
-                                                                                   nil
-      attachment_spec.addDescription attachment_name, false.to_java(:boolean)
-      @stamper.addFileAttachment attachment_name, attachment_spec
+        attachment_spec = Java::ComLowagieTextPdf::PdfFileSpecification.fileEmbedded @writer, 
+                                                                                     attachment_path.to_java_string,
+                                                                                     attachment_name.to_java_string,
+                                                                                     nil
+        attachment_spec.addDescription attachment_name, false.to_java(:boolean)
+        @stamper.addFileAttachment attachment_name, attachment_spec
+      end
     end
 
     # @writer.close