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Versions: 18
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Contents
module Restforce
class Middleware::Multipart < Faraday::Request::UrlEncoded
self.mime_type = 'multipart/form-data'.freeze
DEFAULT_BOUNDARY = "--boundary_string".freeze
def call(env)
match_content_type(env) do |params|
env[:request] ||= {}
env[:request][:boundary] ||= DEFAULT_BOUNDARY
env[:request_headers][CONTENT_TYPE] += ";boundary=#{env[:request][:boundary]}"
env[:body] = create_multipart(env, params)
end
@app.call env
end
def process_request?(env)
type = request_type(env)
env[:body].respond_to?(:each_key) and !env[:body].empty? and (
(type.empty? and has_multipart?(env[:body])) or
type == self.class.mime_type
)
end
def has_multipart?(obj)
# string is an enum in 1.8, returning list of itself
if obj.respond_to?(:each) && !obj.is_a?(String)
(obj.respond_to?(:values) ? obj.values : obj).each do |val|
return true if (val.respond_to?(:content_type) || has_multipart?(val))
end
end
false
end
def create_multipart(env, params)
boundary = env[:request][:boundary]
parts = []
skip = []
params.each do |key, value|
if value.respond_to? :content_type
parts << Faraday::Parts::Part.new(boundary, key.to_s, value); skip << key
end
end
parts << Faraday::Parts::Part.new(boundary, 'entity_content', params.reject { |key, _| skip.include? key }.to_json)
parts.reverse!
parts << Faraday::Parts::EpiloguePart.new(boundary)
body = Faraday::CompositeReadIO.new(parts)
env[:request_headers]['Content-Length'] = body.length.to_s
return body
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems