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Contents
require 'faraday'
module FaradayMiddleware
# Public: Writes the original HTTP method to "X-Http-Method-Override" header
# and sends the request as POST.
#
# This can be used to work around technical issues with making non-POST
# requests, e.g. faulty HTTP client or server router.
#
# This header is recognized in Rack apps by default, courtesy of the
# Rack::MethodOverride module. See
# http://rack.rubyforge.org/doc/classes/Rack/MethodOverride.html
class MethodOverride < Faraday::Middleware
HEADER = "X-Http-Method-Override".freeze
# Public: Initialize the middleware.
#
# app - the Faraday app to wrap
# options - (optional)
# :rewrite - Array of HTTP methods to rewrite
# (default: all but GET and POST)
def initialize(app, options = nil)
super(app)
@methods = options && options.fetch(:rewrite).map { |method|
method = method.downcase if method.respond_to? :downcase
method.to_sym
}
end
def call(env)
method = env[:method]
rewrite_request(env, method) if rewrite_request?(method)
@app.call(env)
end
def rewrite_request?(method)
if @methods.nil? or @methods.empty?
method != :get and method != :post
else
@methods.include? method
end
end
# Internal: Write the original HTTP method to header, change method to POST.
def rewrite_request(env, original_method)
env[:request_headers][HEADER] = original_method.to_s.upcase
env[:method] = :post
end
end
end
Version data entries
15 entries across 15 versions & 4 rubygems