Fix for various JRuby 1.7 jar loading issues

JRUBY-6970-openssl.rb

# @see JRUBY-6970.rb
# encoding: utf-8
# a 'require "openssl" has occurred.
class OpenSSL::SSL::SSLContext
  alias_method :ca_path_JRUBY_6970=, :ca_path=
  alias_method :ca_file_JRUBY_6970=, :ca_file=

  def ca_file=(arg)
    if arg =~ /^jar:file:\//
      return ca_file_JRUBY_6970=(arg.gsub(/^jar:/, ""))
    end
    return ca_file_JRUBY_6970=(arg)
  end

  def ca_path=(arg)
    if arg =~ /^jar:file:\//
      return ca_path_JRUBY_6970=(arg.gsub(/^jar:/, ""))
    end
    return ca_path_JRUBY_6970=(arg)
  end
end

JRUBY-6970.rb

# encoding: utf-8
# Monkeypatch for JRUBY-6970  
#
# Should solve this error:
#   Caused by: org.jruby.exceptions.RaiseException: (SSLError) jar:file:/mnt/storm/supervisor/stormdist/topology-name-1-1385830575/stormjar.jar!/gems/gems/aws-sdk-1.8.0/ca-bundle.crt
#   at org.jruby.ext.openssl.SSLContext.setup(org/jruby/ext/openssl/SSLContext.java:230)
#   at org.jruby.ext.openssl.SSLSocket.initialize(org/jruby/ext/openssl/SSLSocket.java:145)
module Kernel
  alias_method :require_JRUBY_6970_hack, :require

  def require(path)

    if path =~ /^jar:file:.+!.+/
      path = path.gsub(/^jar:/, "")
    end

    # JRUBY-7065
    path = File.expand_path(path) if path.include?("/../")
    rc = require_JRUBY_6970_hack(path)

    # Only monkeypatch openssl after it's been loaded.
    if path == "openssl"
      require_relative "JRUBY-6970-openssl"
    end
    return rc
  end
end

# Work around for a bug in File.expand_path that doesn't account for resources
# in jar paths.
#
# Should solve (Errno::ENOENT) errors with file: paths
class File
  class << self
    alias_method :expand_path_JRUBY_6970, :expand_path

    def expand_path(path, dir=nil)

      if path =~ /(jar:)?file:\/.*\.jar!/
        jar, resource = path.split("!", 2)
        if resource.nil? || resource == ""
          # Nothing after the "!", nothing special to handle.
          return expand_path_JRUBY_6970(path, dir)
        else
          resource = expand_path_JRUBY_6970(resource, dir)
          return fix_jar_path(jar, resource)
        end
      elsif dir =~ /(jar:)?file:\/.*\.jar!/
        jar, dir = dir.split("!", 2)
        if dir.empty?
          # sometimes the original dir is just 'file:/foo.jar!'
          return File.join("#{jar}!", path) 
        end
        dir = expand_path_JRUBY_6970(path, dir)
        return fix_jar_path(jar, dir)
      else
        return expand_path_JRUBY_6970(path, dir)
      end
    end
  end

  protected

  def self.fix_jar_path(jar, resource)
    if RbConfig::CONFIG["host_os"] == "mswin32"
      # 'expand_path' on "/" will return "C:/" on windows.
      # So like.. we don't want that because technically this
      # is the root of the jar, not of a disk.
      return "#{jar}!#{resource.gsub(/^[A-Za-z]:/, "")}"
    else
      return "#{jar}!#{resource}"
    end
  end
end