Sha256: 018542a1c5b7f6919ad4fdf2acdc2b902b15a18caef73e3914b8e84a108d322f
Contents?: true
Size: 1.85 KB
Versions: 14
Compression:
Stored size: 1.85 KB
Contents
require 'grape/middleware/base'
module Grape
module Middleware
module Versioner
# This middleware sets various version related rack environment variables
# based on the uri path and removes the version substring from the uri
# path. If the version substring does not match any potential initialized
# versions, a 404 error is thrown.
#
# Example: For a uri path
# /v1/resource
#
# The following rack env variables are set and path is rewritten to
# '/resource':
#
# env['api.version'] => 'v1'
#
class Path < Base
def default_options
{
pattern: /.*/i
}
end
def before
path = env[Grape::Http::Headers::PATH_INFO].dup
path.sub!(mount_path, '') if mounted_path?(path)
if prefix && path.index(prefix) == 0 # rubocop:disable all
path.sub!(prefix, '')
path = Grape::Router.normalize_path(path)
end
pieces = path.split('/')
potential_version = pieces[1]
return unless potential_version =~ options[:pattern]
throw :error, status: 404, message: '404 API Version Not Found' if options[:versions] && !options[:versions].find { |v| v.to_s == potential_version }
env[Grape::Env::API_VERSION] = potential_version
end
private
def mounted_path?(path)
return false unless mount_path && path.start_with?(mount_path)
rest = path.slice(mount_path.length..-1)
rest.start_with?('/') || rest.empty?
end
def mount_path
@mount_path ||= options[:mount_path] && options[:mount_path] != '/' ? options[:mount_path] : ''
end
def prefix
Grape::Router.normalize_path(options[:prefix].to_s) if options[:prefix]
end
end
end
end
end
Version data entries
14 entries across 14 versions & 2 rubygems