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Versions: 10
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Contents
# routes mount support
class Jets::MountController < Jets::BareController
def call
route = find_route
# On Lambda, the route should always be found so this check on lambda is not needed.
# But this is useful when we're testing locally with the shim directly.
unless route
render json: {status: "route not found"}, status: 404
return
end
# The reason we look up the route is because it contains mounted class info
mount_class = route.mount_class # IE: RackApp
env = build_env(route.path)
status, headers, io = mount_class.call(env)
body = read_body(io)
render(
status: status,
headers: headers,
body: body,
)
end
private
# Rack response will return an IO object that responds to each. Sometimes this a Rack::BodyProxy
# Found this to be the case in Rails and Grape.
# Doing an IO#read may not work. So we'll always use the IO#each method
def read_body(io)
result = []
io.each { |body| result << body }
result.join
end
# Locally Jets::Router::Finder gets called twice because it also gets called in Jets::Controller::Middleware::Local
# On Lambda, Jets::Router::Finder only gets called once.
# TODO: Maybe add caching improvement.
def find_route
Jets::Router::Finder.new(event["path"], "ANY").run
end
def build_env(path)
env = Jets::Controller::Rack::Env.new(event, context, adapter: true).convert
# remap path info
mount_at = mount_at(path)
path_info = env["PATH_INFO"]
env["PATH_INFO"] = path_info.sub(mount_at,'')
env["ORIGINAL_PATH_INFO"] = path_info
env
end
# Removes the wildcard: rack/*path => rack
def mount_at(path)
path.gsub(/\*.*/,'')
end
end
Version data entries
10 entries across 10 versions & 1 rubygems