fluke/devops-service/helpers/version_2.rb
2014-12-15 14:26:54 +03:00

131 lines
4.0 KiB
Ruby

require "json"
require 'sinatra/base'
require "sinatra/json"
require "providers/provider_factory"
module Devops
module Version2_0
module Helpers
def create_response msg, obj=nil, rstatus=200
logger.info(msg)
status rstatus
obj = {} if obj.nil?
obj[:message] = msg
json(obj)
end
def halt_response msg, rstatus=400
obj = {:message => msg}
halt(rstatus, json(obj))
end
def check_privileges cmd, p
#BaseRoutes.mongo.check_user_privileges(request.env['REMOTE_USER'], cmd, p)
true
end
# Check request headers
def check_headers *headers
ha = (headers.empty? ? [:accept, :content_type] : headers)
ha.each do |h|
case h
when :accept, "accept"
accept_json
when :content_type, "content_type"
request_json
end
end
end
# Check Accept header
#
# Can client works with JSON?
def accept_json
logger.debug(request.accept)
unless request.accept? 'application/json'
response.headers['Accept'] = 'application/json'
halt_response("Accept header should contains 'application/json' type", 406)
end
rescue NoMethodError => e
#error in sinatra 1.4.4 (https://github.com/sinatra/sinatra/issues/844, https://github.com/sinatra/sinatra/pull/805)
response.headers['Accept'] = 'application/json'
halt_response("Accept header should contains 'application/json' type", 406)
end
# Check Content-Type header
def request_json
halt_response("Content-Type should be 'application/json'", 415) if request.media_type.nil? or request.media_type != 'application/json'
end
def check_provider provider
list = ::Provider::ProviderFactory.providers
halt_response("Invalid provider '#{provider}', available providers: '#{list.join("', '")}'", 404) unless list.include?(provider)
end
def create_object_from_json_body type=Hash, empty_body=false
json = request.body.read.strip
return nil if json.empty? and empty_body
@body_json = begin
::JSON.parse(json)
rescue ::JSON::ParserError => e
logger.error e.message
halt_response("Invalid JSON: #{e.message}")
end
halt_response("Invalid JSON, it should be an #{type == Array ? "array" : "object"}") unless @body_json.is_a?(type)
@body_json
end
def check_string val, msg, _nil=false, empty=false
check_param val, String, msg, _nil, empty
end
def check_array val, msg, vals_type=String, _nil=false, empty=false
check_param val, Array, msg, _nil, empty
val.each {|v| halt_response(msg) unless v.is_a?(vals_type)} unless val.nil?
val
end
def check_filename file_name, not_string_msg, json_resp=true
check_string file_name, not_string_msg
r = Regexp.new("^[\\w _\\-.]{1,255}$", Regexp::IGNORECASE)
if r.match(file_name).nil?
msg = "Invalid file name '#{file_name}'. Expected name with 'a'-'z', '0'-'9', ' ', '_', '-', '.' symbols with length greate then 0 and less then 256 "
if json_resp
halt_response(msg)
else
halt(400, msg)
end
end
file_name
end
def check_param val, type, msg, _nil=false, empty=false
if val.nil?
if _nil
return val
else
halt_response(msg)
end
end
if val.is_a?(type)
halt_response(msg) if val.empty? and !empty
val
else
halt_response(msg)
end
end
# Save information about requests with methods POST, PUT, DELETE
def statistic msg=nil
unless request.get?
settings.mongo.statistic request.env['REMOTE_USER'], request.path, request.request_method, @body_json, response.status
end
end
end
end
end