Basic file server on port 80 by default, may require root to execute

To be safe, it is recommended to run this program with its own username: sudo file_server -u nitcorn:www

Redefined classes

redef class Sys

nitcorn :: simple_file_server $ Sys

The main class of the program.

All class definitions

redef class Sys

nitcorn :: simple_file_server $ Sys

The main class of the program.
package_diagram nitcorn::simple_file_server simple_file_server nitcorn nitcorn nitcorn::simple_file_server->nitcorn privileges privileges nitcorn::simple_file_server->privileges opts opts privileges->opts posix posix privileges->posix ...nitcorn ... ...nitcorn->nitcorn ...opts ... ...opts->opts ...posix ... ...posix->posix a_star-m a_star-m a_star-m->nitcorn::simple_file_server


module abstract_collection

core :: abstract_collection

Abstract collection classes and services.
module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters
module array

core :: array

This module introduces the standard array structure.
module base64

base64 :: base64

Offers the base 64 encoding and decoding algorithms
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: bytes

Services for byte streams and arrays
module caching

serialization :: caching

Services for caching serialization engines
module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.
module codec_base

core :: codec_base

Base for codecs to use with streams
module codecs

core :: codecs

Group module for all codec-related manipulations
module collection

core :: collection

This module define several collection classes.
module core

core :: core

Standard classes and methods used by default by Nit programs and libraries.
module engine_tools

serialization :: engine_tools

Advanced services for serialization engines
module environ

core :: environ

Access to the environment variables of the process
module error

core :: error

Standard error-management infrastructure.
module exec

core :: exec

Invocation and management of operating system sub-processes.
module file

core :: file

File manipulations (create, read, write, etc.)
module file_server

nitcorn :: file_server

Provides the FileServer action, which is a standard and minimal file server
module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision
module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints
module flat

core :: flat

All the array-based text representations
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
module http_errors

nitcorn :: http_errors

Offers ErrorTemplate to display error pages
module http_request

nitcorn :: http_request

Provides the HttpRequest class and services to create it
module http_request_buffer

nitcorn :: http_request_buffer

Http request parsing for buffered inputs.
module http_response

nitcorn :: http_response

Provides the HttpResponse class and http_status_codes
module inspect

serialization :: inspect

Refine Serializable::inspect to show more useful information
module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module kernel

core :: kernel

Most basic classes and methods.
module libevent

libevent :: libevent

Low-level wrapper around the libevent library to manage events on file descriptors
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module md5

md5 :: md5

Native MD5 digest implementation as Text::md5
module media_types

nitcorn :: media_types

Services to identify Internet media types (or MIME types, Content-types)
module meta

meta :: meta

Simple user-defined meta-level to manipulate types of instances as object.
module more_collections

more_collections :: more_collections

Highly specific, but useful, collections-related classes.
module native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module opts

opts :: opts

Management of options on the command line
module poset

poset :: poset

Pre order sets and partial order set (ie hierarchies)
module posix

posix :: posix

Services conforming to POSIX
module protocol

core :: protocol

module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module reactor

nitcorn :: reactor

Core of the nitcorn project, provides HttpFactory and Action
module ropes

core :: ropes

Tree-based representation of a String.
module serialization

serialization :: serialization

General serialization services
module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats
module server_config

nitcorn :: server_config

Classes and services to configure the server
module sessions

nitcorn :: sessions

Automated session management
module signal_handler

nitcorn :: signal_handler

Handle SIGINT and SIGTERM to close the server after all active events
module sorter

core :: sorter

This module contains classes used to compare things and sorts arrays.
module stream

core :: stream

Input and output streams of characters
module template

template :: template

Basic template system
module text

core :: text

All the classes and methods related to the manipulation of text entities
module time

core :: time

Management of time and dates
module token

nitcorn :: token

Simple generate_token service, independent of the rest of the nitcorn framework
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O
module vararg_routes

nitcorn :: vararg_routes

Routes with parameters.


module nitcorn

nitcorn :: nitcorn

The nitcorn Web server framework creates server-side Web apps in Nit
module privileges

privileges :: privileges

Process privileges management utilities


module a_star-m


# Basic file server on port 80 by default, may require `root` to execute
# To be safe, it is recommended to run this program with its own username:
# `sudo file_server -u nitcorn:www`
module simple_file_server is example

import nitcorn
import privileges

# Prepare options
var opts = new OptionContext
var opt_drop = new OptionUserAndGroup.for_dropping_privileges
var opt_port = new OptionInt("Server port", 80, "--port", "-p")
var opt_help = new OptionBool("Print this message", "--help", "-h")
opts.add_option(opt_drop, opt_port, opt_help)
opts.parse args

# Check options errors and help
if not opts.errors.is_empty or opt_help.value then
	print opts.errors.join("\n")
	print "Usage: file_server [Options]"
	exit 1

# Serve everything with a standard FilesHandler
var vh = new VirtualHost("localhost:{opt_port.value}")
vh.routes.add new Route(null, new FileServer("www/hello_world/"))
var factory = new HttpFactory.and_libevent
factory.config.virtual_hosts.add vh

# Drop to a low-privileged user
var user_group = opt_drop.value
if user_group != null then user_group.drop_privileges