816bf6f8088b162b681101d93fd450127a0e586fJulian Kornbergernamespace :git do

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger def reconfigure_cp_keys(source_file)

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger data_root = Ontohub::Application.config.data_root

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger git_home = Ontohub::Application.config.git_home

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger reconfigured_source = File.read(source_file).

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger sub(/^#define DATA_ROOT .*$/, "#define DATA_ROOT \"#{data_root}\"").

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger sub(/^#define GIT_HOME .*$/, "#define GIT_HOME \"#{git_home}\"")

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger reconfigured_source_file = Tempfile.new(%w(cp_keys .c))

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger reconfigured_source_file.write(reconfigured_source)

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger reconfigured_source_file.close

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger puts "Copying #{source_file} to tempfile #{reconfigured_source_file.path}"

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger puts "Reconfiguring DATA_ROOT in this tempfile to #{data_root}"

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger puts "Reconfiguring GIT_HOME in this tempfile to #{git_home}"

816bf6f8088b162b681101d93fd450127a0e586fJulian Kornberger

reconfigured_source_file

end

def compile_gcc(source_path, target_path)

command = ['gcc', source_path, '-o', target_path]

puts "Compiling #{target_path.split('/').last} with"

puts command.map { |c| c.match(/\s/) ? "'#{c}'" : c }.join(' ')

system(*command)

end

def remove_symbols(target_path)

command = ['strip', target_path]

puts 'Removing symbols with'

puts command.map { |c| c.match(/\s/) ? "'#{c}'" : c }.join(' ')

system(*command)

end

def set_permissions(mode, path, owner_group)

command_chmod = ['chmod', mode, path]

puts 'Changing owner with'

puts command_chmod.map { |c| c.match(/\s/) ? "'#{c}'" : c }.join(' ')

system(*command_chmod)

puts "You need to manually set the owner/group of '#{path}' to #{owner_group}"

end

desc 'Compile cp_keys binary'

task :compile_cp_keys => :environment do

source_file = Rails.root.join('script', 'cp_keys.c')

target_path = Rails.root.join('bin', 'cp_keys').to_s

reconfigured_source_tempfile = reconfigure_cp_keys(source_file)

compile_gcc(reconfigured_source_tempfile.path, target_path)

remove_symbols(target_path)

set_permissions('4500', target_path,

'the git user and the webserver-running group.')

reconfigured_source_tempfile.unlink

end

desc 'Create authorized_keys file and set its permissions'

task :prepare_authorized_keys => :environment do

SSH_DIR = Ontohub::Application.config.data_root.join('.ssh')

AUTHORIZED_KEYS = SSH_DIR.join('authorized_keys')

SSH_DIR.mkpath

if !File.exists?(AUTHORIZED_KEYS)

puts "Creating the file #{AUTHORIZED_KEYS}."

FileUtils.touch(AUTHORIZED_KEYS)

set_permissions('0640', AUTHORIZED_KEYS.to_s,

'the webserver-running user.')

end

end

end