Class: RatHole
- Inherits:
-
Object
- Object
- RatHole
- Defined in:
- lib/rat_hole.rb
Direct Known Subclasses
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(host, tidy = false) ⇒ RatHole
constructor
A new instance of RatHole.
- #prepare_post(request, post) ⇒ Object
- #process_server_response(rack_response, rack_request) ⇒ Object
- #process_user_request(rack_request) ⇒ Object
- #request_headers(env) ⇒ Object
- #tidy_html(body) ⇒ Object
- #whack_array(server_response) ⇒ Object
Constructor Details
#initialize(host, tidy = false) ⇒ RatHole
Returns a new instance of RatHole.
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# File 'lib/rat_hole.rb', line 9 def initialize(host, tidy=false) @host = host @tidy = tidy end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/rat_hole.rb', line 26 def call(env) Net::HTTP.start(@host) do |http| http.instance_eval{@socket = MethodSpy.new(@socket){|method| method =~ /#{ENV['RH_METHOD_SPY_FILTER']}/}} if $DEBUG env.delete('HTTP_ACCEPT_ENCODING') source_request = Rack::Request.new(env) process_user_request(source_request) source_headers = request_headers(source_request.env) if source_request.query_string.nil? || source_request.query_string == '' request_uri = source_request.path_info else request_uri = "#{source_request.path_info}?#{source_request.query_string}" end if source_request.get? response = http.get(request_uri, source_headers) elsif source_request.post? post = Net::HTTP::Post.new(request_uri, source_headers) prepare_post(source_request, post) response = http.request(post) end code = response.code.to_i headers = response.to_hash body = response.body || '' headers.delete('Transfer-Encoding') server_response = Rack::Response.new(body, code, headers) whack_array(server_response) tidy_html(body) if server_response["Content-Type"] =~ /text\/html/ && @tidy process_server_response(server_response, source_request) server_response.finish end end |
#prepare_post(request, post) ⇒ Object
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# File 'lib/rat_hole.rb', line 22 def prepare_post(request, post) post.form_data = request.POST end |
#process_server_response(rack_response, rack_request) ⇒ Object
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# File 'lib/rat_hole.rb', line 18 def process_server_response(rack_response, rack_request) rack_response end |
#process_user_request(rack_request) ⇒ Object
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# File 'lib/rat_hole.rb', line 14 def process_user_request(rack_request) rack_request end |
#request_headers(env) ⇒ Object
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# File 'lib/rat_hole.rb', line 84 def request_headers(env) env.select{|k,v| k =~ /^HTTP/}.inject({}) do |h, e| k,v = e h.merge(k.split('_')[1..-1].join('-').to_camel_case => v) end end |
#tidy_html(body) ⇒ Object
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# File 'lib/rat_hole.rb', line 70 def tidy_html(body) if `which tidy` == '' $stderr.puts "tidy not found in path" return end tidied, errors = Open3.popen3('tidy -ascii') do |stdin, stdout, stderr| stdin.print body stdin.close [stdout.read, stderr.read] end $stderr.puts errors if $DEBUG body.replace(tidied) if tidied != "" end |
#whack_array(server_response) ⇒ Object
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# File 'lib/rat_hole.rb', line 62 def whack_array(server_response) server_response.headers.each do |k, v| if v.is_a?(Array) && v.size == 1 server_response[k] = v.first end end end |