/
logger.cr
102 lines (82 loc) · 2.76 KB
/
logger.cr
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require "logger"
require "colorize"
require "time_format"
require "http/server/handler"
require "../ext/http/request/id"
module Onyx::HTTP::Middleware
# Logs requests colorfully into specified standard *logger*.
# It also logs the `::HTTP::Request#id` if it's present.
# Should be put in the beginning of the middleware stack.
#
# ```
# logger = Onyx::HTTP::Logger.new
#
# # INFO -- : GET /users 200 102μs
# # INFO -- : GET /favicon.ico 404 52μs
# # INFO -- : POST /users 201 3.74ms
# ```
class Logger
include ::HTTP::Handler
protected def color(status_code)
case status_code
when 100..199 then :cyan
when 200..299, 1000 then :green
when 300..399, 1001, 1012 then :yellow
else :red
end
end
# Set *query* to `false` to turn off logging requests' queries.
def initialize(
@logger : ::Logger = ::Logger.new(STDOUT),
*,
@severity : ::Logger::Severity = ::Logger::INFO,
@query : Bool = true
)
end
def call(context)
started_at = Time.monotonic
if id = context.request.id
request_id = "[#{id[0...8]}]".colorize(:dark_gray)
end
websocket = context.request.headers.includes_word?("Upgrade", "Websocket")
if websocket
method = "WS".rjust(7).colorize(color(100)).mode(:bold)
progess = "…".colorize(:dark_gray)
resource = context.request.path
unless resource.size < 2
resource = resource.rstrip('/')
end
if @query && (query = context.request.query)
resource += "?#{query}"
end
resource = resource.colorize(color(100))
@logger.log(@severity, "#{request_id}#{method} #{resource} #{progess}")
end
begin
call_next(context)
rescue ex
context.response.status_code = 500
raise ex
ensure
if context.response.upgraded?
status_code = context.response.websocket_status_code ||
context.response.status_code
else
status_code = context.response.status_code
end
color = color(status_code)
method = (websocket ? "WS" : context.request.method).rjust(7).colorize(color).mode(:bold)
status_code = status_code.colorize(color).mode(:bold)
resource = context.request.path
unless resource.size < 2
resource = resource.rstrip('/')
end
if @query && (query = context.request.query)
resource += "?#{query}"
end
resource = resource.colorize(color)
@logger.log(@severity, "#{request_id}#{method} #{resource} #{status_code} #{TimeFormat.auto(Time.monotonic - started_at).colorize(:dark_gray)}")
end
end
end
end