From 4aab135bc6fffb0b13979e240479c24a3f553b06 Mon Sep 17 00:00:00 2001 From: Gibheer Date: Wed, 5 Mar 2014 09:42:49 +0100 Subject: add x-forwarded-for header to the client This adds the way to find out the actual ip of the client machine, even if it is hidden behind a local reverse proxy. --- lib/zero/request/client.rb | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/zero/request/client.rb b/lib/zero/request/client.rb index 2a27cb7..eba4d7a 100644 --- a/lib/zero/request/client.rb +++ b/lib/zero/request/client.rb @@ -4,6 +4,8 @@ module Zero class Client # the key for the ip of the client KEY_REMOTE_ADDR = 'REMOTE_ADDR' + # in proxy setups, this is the real address of the client + KEY_FORWARDED_FOR = 'X_FORWARDED_FOR' # the key for the hostname KEY_REMOTE_HOST = 'REMOTE_HOST' # the key for the user agent @@ -12,7 +14,10 @@ module Zero # creates a new client with the data of the request environment # @param environment a hash representation of the request def initialize(environment) - @address = environment[KEY_REMOTE_ADDR] + # extract the two possible ips + @forwarded_for = environment[KEY_FORWARDED_FOR] + @remote_address = environment[KEY_REMOTE_ADDR] + @address = forwarded_for || remote_address @hostname = environment[KEY_REMOTE_HOST] @user_agent = environment[KEY_USER_AGENT] end @@ -26,6 +31,14 @@ module Zero # the user agent of the client # @return [String] the user agent of the client attr_reader :user_agent + + # get the forwarded address, set in proxy setups + # @return [String] the address set in KEY_FORWARDED_FOR header + attr_reader :forwarded_for + + # get the remote address given by KEY_REMOTE_ADDR + # @return [String] the remote address defined in KEY_REMOTE_ADDR header + attr_reader :remote_address end end end -- cgit v1.2.3-70-g09d2