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Contents
module Macmillan
module Utils
module Middleware
##
# Rack Middleware for use when proxying a rack app with Nginx using gzip compression.
#
# Nginx will convert ETags generated by our rack apps from STRONG etags, to WEAK etags,
# this middleware converts the ETags back to STRONG for use within the consuming app.
#
# @ref http://akshaykarle.com/blog/2014/09/17/rails-caching-with-nginx/
class WeakEtags
def initialize(app)
@app = app
end
def call(env)
dup.process(env)
end
def process(env)
etag = env['HTTP_IF_NONE_MATCH']
if etag && etag.match(/^W\//)
env['HTTP_IF_NONE_MATCH'] = etag.gsub(/^W\//, '')
end
@app.call(env)
end
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems