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require "pp"
module ChefZero
class RestRouter
def initialize(routes)
@routes = routes.map do |route, endpoint|
if route =~ /\*\*$/
pattern = Regexp.new("^#{route[0..-3].gsub('*', '[^/]*')}")
else
pattern = Regexp.new("^#{route.gsub('*', '[^/]*')}$")
end
[ pattern, endpoint ]
end
end
attr_reader :routes
attr_accessor :not_found
def call(request)
log_request(request)
clean_path = "/" + request.rest_path.join("/")
find_endpoint(clean_path).call(request).tap do |response|
log_response(response)
end
rescue => ex
exception = "#{ex.inspect}\n#{ex.backtrace.join("\n")}"
ChefZero::Log.error(exception)
[ 500, { "Content-Type" => "text/plain" }, "Exception raised! #{exception}" ]
end
private
def find_endpoint(clean_path)
_, endpoint = routes.find { |route, endpoint| route.match(clean_path) }
endpoint || not_found
end
def log_request(request)
ChefZero::Log.debug do
"#{request.method} /#{request.rest_path.join("/")}".tap do |msg|
next unless request.method =~ /^(POST|PUT)$/
if request.body.nil? || request.body.empty?
msg << " (no body)"
else
msg << [
"",
"--- #{request.method} BODY ---",
request.body.chomp,
"--- END #{request.method} BODY ---",
].join("\n")
end
end
end
ChefZero::Log.debug { request.pretty_inspect }
end
def log_response(response)
ChefZero::Log.debug do
[ "",
"--- RESPONSE (#{response[0]}) ---",
response[2].chomp,
"--- END RESPONSE ---",
].join("\n")
end
end
end
end
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