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Contents
# ===========================================================================
# Project: Abbot - SproutCore Build Tools
# Copyright: ©2009-2011 Apple Inc.
# portions copyright @2006-2011 Strobe Inc.
# and contributors
# ===========================================================================
# For all those working in internet cafes...
# We feel for you. Go to a real cafe instead. They have internet, too.
module SC
module Rack
class RestrictIP
def initialize(app, allow_ips=[])
@app = app
@allow = allow_ips
end
# checks if an IP, such as 127.0.0.1, matches a mask, such as 127.*.*.*
def ip_is_valid(ip, mask)
ip_parts = ip.split('.')
mask_parts = mask.split('.')
if mask_parts.length != 4
SC.logger.fatal "Invalid IP mask: #{mask}\n"
exit
end
ip_idx = 0
mask_parts.each {|mask_part|
ip_part = ip_parts[ip_idx]
# * means anything matches
if mask_part == '*'
next
end
if ip_part != mask_part
return false
end
ip_idx = ip_idx + 1
}
return true
end
def call(env)
ip = env['REMOTE_ADDR']
is_valid = false
@allow.each {|mask|
if ip_is_valid(ip, mask)
is_valid = true
break
end
}
if is_valid
return @app.call(env)
else
SC.logger << "Blocked connection attempt by ip: #{ip}\n"
return [403, { 'Content-Type' => 'text/plain' }, "YOU CANNOT BEEZ HERE."]
end
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems