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require 'cgi/session'
require 'pstore'
class CGI
class Session
def []=(key, val)
unless @write_lock
@write_lock = true
end
unless @data
@data = @dbman.restore
end
#@data[key] = String(val)
@data[key] = val
end
class PStore
def check_id(id)
/[^0-9a-zA-Z]/ =~ id.to_s ? false : true
end
def initialize session, option={}
dir = option['tmpdir'] || ENV['TMP'] || '/tmp'
prefix = option['prefix'] || ''
id = session.session_id
unless check_id(id)
raise ArgumentError, "session_id `%s' is invalid" % id
end
path = dir+"/"+prefix+id
path.untaint
unless File::exist? path
@hash = {}
end
@p = ::PStore.new path
end
def restore
unless @hash
@p.transaction do
begin
@hash = @p['hash']
rescue
@hash = {}
end
end
end
@hash
end
def update
@p.transaction do
@p['hash'] = @hash
end
end
def close
update
end
def delete
path = @p.path
File::unlink path
end
end
end
end
if $0 == __FILE__
STDIN.reopen("/dev/null")
cgi = CGI.new
session = CGI::Session.new cgi, 'database_manager' => CGI::Session::PStore
session['key'] = {'k' => 'v'}
puts session['key'].class
fail unless Hash === session['key']
puts session['key'].inspect
fail unless session['key'].inspect == '{"k"=>"v"}'
end
|
