/usr/share/lua/5.1/wsapi/xavante.lua is in lua-wsapi 1.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | -----------------------------------------------------------------------------
-- Xavante WSAPI handler
--
-- Author: Fabio Mascarenhas
-- Copyright (c) 2007 Kepler Project
--
-----------------------------------------------------------------------------
require "coxpcall"
pcall = copcall
xpcall = coxpcall
local common = require"wsapi.common"
local _M = {}
-------------------------------------------------------------------------------
-- Implements WSAPI
-------------------------------------------------------------------------------
local function set_cgivars (req, diskpath, path_info_pat, script_name_pat, extra_vars)
diskpath = diskpath or req.diskpath or ""
req.cgivars = {
SERVER_SOFTWARE = req.serversoftware,
SERVER_NAME = req.parsed_url.host,
GATEWAY_INTERFACE = "CGI/1.1",
SERVER_PROTOCOL = "HTTP/1.1",
SERVER_PORT = req.parsed_url.port,
REQUEST_METHOD = req.cmd_mth,
DOCUMENT_ROOT = diskpath,
PATH_INFO = string.match(req.parsed_url.path, path_info_pat) or "",
PATH_TRANSLATED = script_name_pat and (diskpath .. script_name_pat),
SCRIPT_NAME = script_name_pat,
QUERY_STRING = req.parsed_url.query or "",
REMOTE_ADDR = string.gsub (req.rawskt:getpeername (), ":%d*$", ""),
CONTENT_TYPE = req.headers ["content-type"],
CONTENT_LENGTH = req.headers ["content-length"],
}
if req.cgivars.PATH_INFO == "" then req.cgivars.PATH_INFO = "/" end
for n,v in pairs(extra_vars or {}) do
req.cgivars[n] = v
end
for n,v in pairs (req.headers) do
req.cgivars ["HTTP_"..string.gsub (string.upper (n), "-", "_")] = v
end
end
local function wsapihandler (req, res, wsapi_run, app_prefix, docroot, app_path, extra_vars)
local path_info_pat = "^" .. (app_prefix or "") .. "(.*)"
set_cgivars(req, docroot, path_info_pat, app_prefix, extra_vars)
local get_cgi_var = function (var)
return req.cgivars[var] or ""
end
local wsapi_env = common.wsapi_env {
input = req.socket,
read_method = "receive",
error = io.stderr,
env = get_cgi_var
}
wsapi_env.APP_PATH = app_path
local function set_status(status)
if type(status) == "number" or status:match("^%d+$") then
status = status .. " " .. common.status_codes[tonumber(status)]
end
res.statusline = "HTTP/1.1 " .. (status or "500 Internal Server Error")
end
local function send_headers(headers)
for h, v in pairs(headers) do
if h == "Status" or h == "Content-Type" then
res.headers[h] = v
elseif type(v) == "string" then
res:add_header(h, v)
elseif type(v) == "table" then
for _, v in ipairs(v) do
res:add_header(h, tostring(v))
end
else
res:add_header(h, tostring(v))
end
end
res:send_headers()
end
local ok, status, headers, res_iter = common.run_app(wsapi_run, wsapi_env)
if ok then
set_status(status or 500)
send_headers(headers or {})
common.send_content(res, res_iter, "send_data")
else
if wsapi_env.STATUS == 404 then
res.statusline = "HTTP/1.1 404"
send_headers({ ["Content-Type"] = "text/html", ["Content-Length"] = (status and #status) or 0 })
res:send_data(status)
else
local content = common.error_html(status)
res.statusline = "HTTP/1.1 500"
send_headers({ ["Content-Type"] = "text/html", ["Content-Length"] = #content})
res:send_data(content)
end
end
end
-- Makes a WSAPI handler for a single WSAPI application
function _M.makeHandler (app_func, app_prefix, docroot, app_path, extra_vars)
return function (req, res)
return wsapihandler(req, res, app_func, app_prefix, docroot, app_path, extra_vars)
end
end
-- Makes a generic WSAPI handler, that launches WSAPI application scripts
-- See the wsapi script for the possible values of the "params" table
function _M.makeGenericHandler(docroot, params, extra_vars)
params = params or { isolated = true }
return function (req, res)
return wsapihandler(req, res, common.make_loader(params), nil, docroot, nil, extra_vars)
end
end
return _M
|