# frozen_string_literal: true
# 400: for bad parameter request or similar
BadRequestError ||= Class.new(StandardError)
# 401: for unauthorized access
UnauthorizedError ||= Class.new(StandardError)
# 403: for unalloed access
ForbidenError ||= Class.new(StandardError)
# 404: for not found pages
NotFoundError ||= Class.new(StandardError)
# 503: for too many requests at the same time
RateLimitError ||= Class.new(StandardError)
module Lux::Error
OUT_OF_PROCESS_ERROR_PATH = Lux.root.join('tmp/request-error.txt')
extend self
def try(name)
begin
yield
rescue
log($!)
inline('%s (%s)' % [name, $!.class])
end
end
def render data
%[Server error (#{Lux.page.status})#{data.gsub('<','<')}]
end
def show(desc=nil)
Lux.page.status(500)
data = "Lux #{Lux.page.status} error\n\n#{desc}"
Lux.page.body! render(data)
end
def inline(name=nil, o=nil)
o ||= $!
trace = o.backtrace.select{ |el| el.index(Lux.root.to_s) }.map{ |el| el.split(Lux.root.to_s, 2)[1] }.map{ |el| "- #{el}" }.join("\n")
msg = $!.to_s.gsub('","',%[",\n "]).gsub('<','<')
%[#{name || 'Undefined name'}\n\n#{msg}\n\n#{trace}]
end
def log(exception)
return if Lux.env == 'test'
return unless Lux.page
history = exception.backtrace.reject{ |el| el.index('/gems/') }.map{ |el| el.sub(Lux.root.to_s, '') }.join("\n")
data = '%s in %s (user: %s)' % [exception.class, Lux.page.request.url, (Lux.page.var.user.email rescue 'guest')]
data = [data, exception.message, history].join("\n\n")
key = Digest::SHA1.hexdigest exception.backtrace.first.split(' ').first
folder = Lux.root.join('log/exceptions').to_s
Dir.mkdir(folder) unless Dir.exists?(folder)
folder += "/#{exception.class.to_s.tableize.gsub('/','-')}"
Dir.mkdir(folder) unless Dir.exists?(folder)
File.write("#{folder}/#{key}.txt", data)
end
# if some other process as asset complation raises error
# use this method to show errors
def log_out_of_process_error(data)
return unless Lux.config(:show_server_errors)
File.write OUT_OF_PROCESS_ERROR_PATH, data
end
end