#
# Cookbook Name:: apache2
# Recipe:: mod_auth_openid
#
# Copyright 2008-2013, Opscode, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

openid_dev_pkgs = value_for_platform_family(
  'debian'        => %w[automake make g++ apache2-prefork-dev libopkele-dev libopkele3 libtool],
  %w[rhel fedora] => %w[gcc-c++ httpd-devel curl-devel libtidy libtidy-devel sqlite-devel pcre-devel openssl-devel make libtool],
  'arch'          => %w[libopkele],
  'freebsd'       => %w[libopkele pcre sqlite3]
)

make_cmd = value_for_platform_family(
  'freebsd' => { 'default' => 'gmake' },
  'default' => 'make'
)

case node['platform_family']
when 'arch'
  include_recipe 'pacman::default'

  package 'tidyhtml'

  pacman_aur openid_dev_pkgs.first do
    action [:build, :install]
  end
else
  openid_dev_pkgs.each do |pkg|
    package pkg
  end
end

case node['platform_family']
when 'rhel', 'fedora'
  remote_file "#{Chef::Config['file_cache_path']}/libopkele-2.0.4.tar.gz" do
    source   'http://kin.klever.net/dist/libopkele-2.0.4.tar.gz'
    mode     '0644'
    checksum '57a5bc753b7e80c5ece1e5968b2051b0ce7ed9ce4329d17122c61575a9ea7648'
  end

  bash 'install libopkele' do
    cwd Chef::Config['file_cache_path']
    # Ruby 1.8.6 does not have rpartition, unfortunately
    syslibdir = node['apache']['lib_dir'][0..node['apache']['lib_dir'].rindex('/')]
    code <<-EOH
    tar zxvf libopkele-2.0.4.tar.gz
    cd libopkele-2.0.4 && ./configure --prefix=/usr --libdir=#{syslibdir}
    #{make_cmd} && #{make_cmd} install
    EOH
    creates "#{syslibdir}/libopkele.a"
  end
end

version = node['apache']['mod_auth_openid']['ref']
configure_flags = node['apache']['mod_auth_openid']['configure_flags']

remote_file "#{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}.tar.gz" do
  source node['apache']['mod_auth_openid']['source_url']
  mode   '0644'
  action :create_if_missing
end

directory node['apache']['mod_auth_openid']['cache_dir'] do
  owner node['apache']['user']
  group node['apache']['group']
  mode  '0700'
end

bash 'untar mod_auth_openid' do
  cwd Chef::Config['file_cache_path']
  code <<-EOH
  tar zxvf mod_auth_openid-#{version}.tar.gz
  EOH
  creates "#{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}/src/types.h"
end

bash 'compile mod_auth_openid' do
  cwd "#{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}"
  code <<-EOH
  ./autogen.sh
  ./configure #{configure_flags.join(' ')}
  perl -pi -e "s/-i -a -n 'authopenid'/-i -n 'authopenid'/g" Makefile
  #{make_cmd}
  EOH
  creates "#{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}/src/.libs/mod_auth_openid.so"
  notifies :run, 'bash[install-mod_auth_openid]', :immediately
  not_if "test -f #{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}/src/.libs/mod_auth_openid.so"
end

bash 'install-mod_auth_openid' do
  cwd "#{Chef::Config['file_cache_path']}/mod_auth_openid-#{version}"
  code <<-EOH
  #{make_cmd} install
  EOH
  creates "#{node['apache']['libexecdir']}/mod_auth_openid.so"
  notifies :restart, 'service[apache2]'
  not_if "test -f #{node['apache']['libexecdir']}/mod_auth_openid.so"
end

template "#{node['apache']['dir']}/mods-available/authopenid.load" do
  source 'mods/authopenid.load.erb'
  owner  'root'
  group  node['apache']['root_group']
  mode   '0644'
end

apache_module 'authopenid' do
  filename 'mod_auth_openid.so'
end