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require 'action_controller/cgi_ext/cgi_ext'
require 'action_controller/cgi_ext/cookie_performance_fix'
require 'action_controller/session/drb_store'
require 'action_controller/session/active_record_store'
module ActionController #:nodoc:
class Base
# Process a request extracted from an CGI object and return a response. Pass false as <tt>session_options</tt> to disable
# sessions (large performance increase if sessions are not needed). The <tt>session_options</tt> are the same as for CGI::Session:
#
# * <tt>:database_manager</tt> - standard options are CGI::Session::FileStore, CGI::Session::MemoryStore, and CGI::Session::PStore
# (default). Additionally, there is CGI::Session::DRbStore and CGI::Session::ActiveRecordStore. Read more about these in
# lib/action_controller/session.
# * <tt>:session_key</tt> - the parameter name used for the session id. Defaults to '_session_id'.
# * <tt>:session_id</tt> - the session id to use. If not provided, then it is retrieved from the +session_key+ parameter
# of the request, or automatically generated for a new session.
# * <tt>:new_session</tt> - if true, force creation of a new session. If not set, a new session is only created if none currently
# exists. If false, a new session is never created, and if none currently exists and the +session_id+ option is not set,
# an ArgumentError is raised.
# * <tt>:session_expires</tt> - the time the current session expires, as a +Time+ object. If not set, the session will continue
# indefinitely.
# * <tt>:session_domain</tt> - the hostname domain for which this session is valid. If not set, defaults to the hostname of the
# server.
# * <tt>:session_secure</tt> - if +true+, this session will only work over HTTPS.
# * <tt>:session_path</tt> - the path for which this session applies. Defaults to the directory of the CGI script.
def self.process_cgi(cgi = CGI.new, session_options = {})
new.process_cgi(cgi, session_options)
end
def process_cgi(cgi, session_options = {}) #:nodoc:
process(CgiRequest.new(cgi, session_options), CgiResponse.new(cgi)).out
end
end
class CgiRequest < AbstractRequest #:nodoc:
attr_accessor :cgi
DEFAULT_SESSION_OPTIONS =
{ :database_manager => CGI::Session::PStore, :prefix => "ruby_sess.", :session_path => "/" }
def initialize(cgi, session_options = {})
@cgi = cgi
@session_options = session_options
super()
end
def query_parameters
@cgi.query_string ? CGIMethods.parse_query_parameters(@cgi.query_string) : {}
end
def request_parameters
CGIMethods.parse_request_parameters(@cgi.params)
end
def env
@cgi.send(:env_table)
end
def cookies
@cgi.cookies.freeze
end
def host
env["HTTP_X_FORWARDED_HOST"] || @cgi.host.to_s.split(":").first
end
def session
return @session unless @session.nil?
begin
@session = (@session_options == false ? {} : CGI::Session.new(@cgi, session_options_with_string_keys))
@session["__valid_session"]
return @session
rescue ArgumentError => e
@session.delete if @session
raise(
ActionController::SessionRestoreError,
"Session contained objects where the class definition wasn't available. " +
"Remember to require classes for all objects kept in the session. " +
"The session has been deleted."
)
end
end
def reset_session
@session.delete
@session = (@session_options == false ? {} : new_session)
end
def method_missing(method_id, *arguments)
@cgi.send(method_id, *arguments) rescue super
end
private
def new_session
CGI::Session.new(@cgi, session_options_with_string_keys.merge("new_session" => true))
end
def session_options_with_string_keys
DEFAULT_SESSION_OPTIONS.merge(@session_options).inject({}) { |options, pair| options[pair.first.to_s] = pair.last; options }
end
end
class CgiResponse < AbstractResponse #:nodoc:
def initialize(cgi)
@cgi = cgi
super()
end
def out
convert_content_type!(@headers)
$stdout.binmode if $stdout.respond_to?(:binmode)
$stdout.sync = false
print @cgi.header(@headers)
if @cgi.send(:env_table)['REQUEST_METHOD'] == 'HEAD'
return
elsif @body.respond_to?(:call)
@body.call(self)
else
print @body
end
end
private
def convert_content_type!(headers)
%w( Content-Type Content-type content-type ).each do |ct|
if headers[ct]
headers["type"] = headers[ct]
headers.delete(ct)
end
end
end
end
end
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