An http server to work with web applications written in Lua language check the site.

Installation

To install Pegasus.lua, run:

$ luarocks install pegasus

How does it work?

Follow an example:

local pegasus = require 'pegasus'

local server = pegasus:new({
  port='9090',
  location='example/root'
})

server:start(function (request, response)
  print "It's running..."
end)

Or try the included examples.

Features

• Compatible with Linux, Mac and Windows systems
• Easy API
• Support Lua >= 5.1
• Native support for HTTP Streaming, aka chunked responses. Check how it works.
• Native plugin to compress responses using the "gzip" method

API

Parameters

• host:string Host address where the application will run. By default it uses localhost
• port:string The port where the application will run. By default it's 9090
• location:string Path used by Pegasus to search for the files. By default it's the root
• plugins:table List with plugins
• timeout:number It's a timeout for estabilishing a connection with the server

Request

Properties

• path:string A string with the request path
• headers:table A table with all the headers data
• method:function The output is the request method as a string ('GET', 'POST', etc)
• querystring:string It returns a dictionary with all the GET parameters
• ip:string It returns the client's ip
• port:number It returns the port where Pegasus is running

Response

Methods

• addHeader(string:key, string:value) Adds a new header
• addHeaders(table:headers) It adds news headers
• statusCode(number:statusCode, string:statusMessage) It adds a Status Code
• contentType(string:value) Adds a value to Content-Type field
• write(string:body) It creates the body with the value passed as parameter
• writeDefaultErrorMessage(statusCode: string, message:body) It sets an HTTP status code and writes an error message to the response
• writeFile(string:file) It creates the body with the content of the file passed as parameter
• post():table It returns a dictionary with all the POST parameters
• redirect(location:string, temporary:boolean): Makes an HTTP redirect to a new location. The status code is set to 302 if temporary is true and false otherwise.

local pegasus = require 'pegasus'

local server = pegasus:new({ port='9090' })

server:start(function (req, rep)
  rep:addHeader('Date', 'Mon, 15 Jun 2015 14:24:53 GMT'):write('hello pegasus world!')
  return rep:close()
end)

Native Plugin

• pegasus.plugins.compress

local Pegasus = require 'pegasus'
local Compress = require 'pegasus.plugins.compress'

local server = Pegasus:new({
  plugins = { Compress:new() }
})

server:start()

• pegasus.plugins.downloads

local Pegasus = require 'pegasus'
local Downloads = require 'pegasus.plugins.downloads'

local server = Pegasus:new({
  plugins = {
    Downloads:new {
      prefix = "downloads",
      stripPrefix = true,
    },
  }
})

server:start()

• pegasus.plugins.files

local Pegasus = require 'pegasus'
local Files = require 'pegasus.plugins.files'

local server = Pegasus:new({
  plugins = {
    Files:new {
      location = "./",
      default = "index.html",
    },
  }
})

server:start()

• pegasus.plugins.tls

local Pegasus = require 'pegasus'
local Tls = require 'pegasus.plugins.tls'

local server = Pegasus:new({
  plugins = {
    TLS:new {
      wrap = {
        mode = "server",
        protocol = "any",
        key = "./serverAkey.pem",
        certificate = "./serverA.pem",
        cafile = "./rootA.pem",
        verify = {"none"},
        options = {"all", "no_sslv2", "no_sslv3", "no_tlsv1"},
      },
      sni = nil,
    },,
  }
})

server:start()

Contributing

Install Dependencies

$ make install_dependencies

Running tests

$ make unit_test