initial
This commit is contained in:
Redo
BIN
lualib/https.dll
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BIN
lualib/https.dll
Normal file
Binary file not shown.
292
lualib/ltn12.lua
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292
lualib/ltn12.lua
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@@ -0,0 +1,292 @@
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-----------------------------------------------------------------------------
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-- LTN12 - Filters, sources, sinks and pumps.
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-- LuaSocket toolkit.
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-- Author: Diego Nehab
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-- RCS ID: $Id: ltn12.lua,v 1.31 2006/04/03 04:45:42 diego Exp $
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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-- Declare module
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-----------------------------------------------------------------------------
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local string = require("string")
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local table = require("table")
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local base = _G
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module("ltn12")
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filter = {}
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source = {}
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sink = {}
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pump = {}
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-- 2048 seems to be better in windows...
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BLOCKSIZE = 2048
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_VERSION = "LTN12 1.0.1"
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-----------------------------------------------------------------------------
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-- Filter stuff
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-----------------------------------------------------------------------------
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-- returns a high level filter that cycles a low-level filter
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function filter.cycle(low, ctx, extra)
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base.assert(low)
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return function(chunk)
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local ret
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ret, ctx = low(ctx, chunk, extra)
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return ret
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end
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end
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-- chains a bunch of filters together
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-- (thanks to Wim Couwenberg)
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function filter.chain(...)
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local n = table.getn(arg)
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local top, index = 1, 1
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local retry = ""
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return function(chunk)
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retry = chunk and retry
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while true do
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if index == top then
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chunk = arg[index](chunk)
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if chunk == "" or top == n then return chunk
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elseif chunk then index = index + 1
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else
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top = top+1
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index = top
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end
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else
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chunk = arg[index](chunk or "")
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if chunk == "" then
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index = index - 1
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chunk = retry
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elseif chunk then
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if index == n then return chunk
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else index = index + 1 end
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else base.error("filter returned inappropriate nil") end
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end
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end
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end
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end
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-----------------------------------------------------------------------------
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-- Source stuff
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-----------------------------------------------------------------------------
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-- create an empty source
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local function empty()
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return nil
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end
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function source.empty()
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return empty
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end
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-- returns a source that just outputs an error
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function source.error(err)
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return function()
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return nil, err
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end
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end
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-- creates a file source
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function source.file(handle, io_err)
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if handle then
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return function()
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local chunk = handle:read(BLOCKSIZE)
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if not chunk then handle:close() end
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return chunk
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end
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else return source.error(io_err or "unable to open file") end
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end
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-- turns a fancy source into a simple source
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function source.simplify(src)
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base.assert(src)
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return function()
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local chunk, err_or_new = src()
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src = err_or_new or src
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if not chunk then return nil, err_or_new
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else return chunk end
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end
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end
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-- creates string source
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function source.string(s)
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if s then
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local i = 1
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return function()
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local chunk = string.sub(s, i, i+BLOCKSIZE-1)
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i = i + BLOCKSIZE
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if chunk ~= "" then return chunk
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else return nil end
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end
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else return source.empty() end
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end
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-- creates rewindable source
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function source.rewind(src)
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base.assert(src)
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local t = {}
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return function(chunk)
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if not chunk then
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chunk = table.remove(t)
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if not chunk then return src()
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else return chunk end
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else
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table.insert(t, chunk)
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end
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end
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end
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function source.chain(src, f)
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base.assert(src and f)
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local last_in, last_out = "", ""
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local state = "feeding"
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local err
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return function()
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if not last_out then
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base.error('source is empty!', 2)
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end
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while true do
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if state == "feeding" then
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last_in, err = src()
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if err then return nil, err end
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last_out = f(last_in)
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if not last_out then
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if last_in then
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base.error('filter returned inappropriate nil')
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else
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return nil
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end
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elseif last_out ~= "" then
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state = "eating"
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if last_in then last_in = "" end
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return last_out
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end
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else
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last_out = f(last_in)
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if last_out == "" then
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if last_in == "" then
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state = "feeding"
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else
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base.error('filter returned ""')
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end
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elseif not last_out then
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if last_in then
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base.error('filter returned inappropriate nil')
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else
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return nil
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end
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else
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return last_out
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end
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end
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end
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end
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end
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-- creates a source that produces contents of several sources, one after the
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-- other, as if they were concatenated
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-- (thanks to Wim Couwenberg)
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function source.cat(...)
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local src = table.remove(arg, 1)
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return function()
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while src do
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local chunk, err = src()
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if chunk then return chunk end
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if err then return nil, err end
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src = table.remove(arg, 1)
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end
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end
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end
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-----------------------------------------------------------------------------
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-- Sink stuff
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-----------------------------------------------------------------------------
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-- creates a sink that stores into a table
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function sink.table(t)
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t = t or {}
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local f = function(chunk, err)
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if chunk then table.insert(t, chunk) end
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return 1
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end
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return f, t
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end
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-- turns a fancy sink into a simple sink
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function sink.simplify(snk)
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base.assert(snk)
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return function(chunk, err)
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local ret, err_or_new = snk(chunk, err)
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if not ret then return nil, err_or_new end
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snk = err_or_new or snk
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return 1
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end
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end
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-- creates a file sink
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function sink.file(handle, io_err)
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if handle then
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return function(chunk, err)
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if not chunk then
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handle:close()
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return 1
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else return handle:write(chunk) end
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end
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else return sink.error(io_err or "unable to open file") end
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end
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-- creates a sink that discards data
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local function null()
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return 1
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end
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function sink.null()
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return null
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end
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-- creates a sink that just returns an error
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function sink.error(err)
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return function()
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return nil, err
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end
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end
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-- chains a sink with a filter
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function sink.chain(f, snk)
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base.assert(f and snk)
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return function(chunk, err)
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if chunk ~= "" then
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local filtered = f(chunk)
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local done = chunk and ""
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while true do
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local ret, snkerr = snk(filtered, err)
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if not ret then return nil, snkerr end
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if filtered == done then return 1 end
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filtered = f(done)
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end
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else return 1 end
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end
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end
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-----------------------------------------------------------------------------
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-- Pump stuff
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-----------------------------------------------------------------------------
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-- pumps one chunk from the source to the sink
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function pump.step(src, snk)
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local chunk, src_err = src()
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local ret, snk_err = snk(chunk, src_err)
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if chunk and ret then return 1
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else return nil, src_err or snk_err end
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end
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-- pumps all data from a source to a sink, using a step function
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function pump.all(src, snk, step)
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base.assert(src and snk)
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step = step or pump.step
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while true do
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local ret, err = step(src, snk)
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if not ret then
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if err then return nil, err
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else return 1 end
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end
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end
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end
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87
lualib/mime.lua
Normal file
87
lualib/mime.lua
Normal file
@@ -0,0 +1,87 @@
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-----------------------------------------------------------------------------
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-- MIME support for the Lua language.
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-- Author: Diego Nehab
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-- Conforming to RFCs 2045-2049
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-- RCS ID: $Id: mime.lua,v 1.29 2007/06/11 23:44:54 diego Exp $
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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-- Declare module and import dependencies
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-----------------------------------------------------------------------------
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local base = _G
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local ltn12 = require("ltn12")
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local mime = require("mime.core")
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--local io = require("io")
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local string = require("string")
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module("mime")
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-- encode, decode and wrap algorithm tables
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encodet = {}
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decodet = {}
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wrapt = {}
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-- creates a function that chooses a filter by name from a given table
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local function choose(table)
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return function(name, opt1, opt2)
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if base.type(name) ~= "string" then
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name, opt1, opt2 = "default", name, opt1
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end
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local f = table[name or "nil"]
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if not f then
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base.error("unknown key (" .. base.tostring(name) .. ")", 3)
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else return f(opt1, opt2) end
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end
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end
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-- define the encoding filters
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encodet['base64'] = function()
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return ltn12.filter.cycle(b64, "")
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end
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encodet['quoted-printable'] = function(mode)
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return ltn12.filter.cycle(qp, "",
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(mode == "binary") and "=0D=0A" or "\r\n")
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end
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-- define the decoding filters
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decodet['base64'] = function()
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return ltn12.filter.cycle(unb64, "")
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end
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decodet['quoted-printable'] = function()
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return ltn12.filter.cycle(unqp, "")
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end
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local function format(chunk)
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if chunk then
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if chunk == "" then return "''"
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else return string.len(chunk) end
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else return "nil" end
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end
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-- define the line-wrap filters
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wrapt['text'] = function(length)
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length = length or 76
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return ltn12.filter.cycle(wrp, length, length)
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end
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wrapt['base64'] = wrapt['text']
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wrapt['default'] = wrapt['text']
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wrapt['quoted-printable'] = function()
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return ltn12.filter.cycle(qpwrp, 76, 76)
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end
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-- function that choose the encoding, decoding or wrap algorithm
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encode = choose(encodet)
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decode = choose(decodet)
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wrap = choose(wrapt)
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-- define the end-of-line normalization filter
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function normalize(marker)
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return ltn12.filter.cycle(eol, 0, marker)
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end
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-- high level stuffing filter
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function stuff()
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return ltn12.filter.cycle(dot, 2)
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end
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BIN
lualib/mime/core.dll
Normal file
BIN
lualib/mime/core.dll
Normal file
Binary file not shown.
133
lualib/socket.lua
Normal file
133
lualib/socket.lua
Normal file
@@ -0,0 +1,133 @@
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-----------------------------------------------------------------------------
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-- LuaSocket helper module
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||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: socket.lua,v 1.22 2005/11/22 08:33:29 diego Exp $
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-----------------------------------------------------------------------------
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||||
|
||||
-----------------------------------------------------------------------------
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||||
-- Declare module and import dependencies
|
||||
-----------------------------------------------------------------------------
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||||
local base = _G
|
||||
local string = require("string")
|
||||
local math = require("math")
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||||
local socket = require("socket.core")
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module("socket")
|
||||
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-----------------------------------------------------------------------------
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-- Exported auxiliar functions
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||||
-----------------------------------------------------------------------------
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function connect(address, port, laddress, lport)
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local sock, err = socket.tcp()
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if not sock then return nil, err end
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||||
if laddress then
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||||
local res, err = sock:bind(laddress, lport, -1)
|
||||
if not res then return nil, err end
|
||||
end
|
||||
local res, err = sock:connect(address, port)
|
||||
if not res then return nil, err end
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||||
return sock
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||||
end
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||||
function bind(host, port, backlog)
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local sock, err = socket.tcp()
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||||
if not sock then return nil, err end
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sock:setoption("reuseaddr", true)
|
||||
local res, err = sock:bind(host, port)
|
||||
if not res then return nil, err end
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||||
res, err = sock:listen(backlog)
|
||||
if not res then return nil, err end
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||||
return sock
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||||
end
|
||||
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||||
try = newtry()
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||||
|
||||
function choose(table)
|
||||
return function(name, opt1, opt2)
|
||||
if base.type(name) ~= "string" then
|
||||
name, opt1, opt2 = "default", name, opt1
|
||||
end
|
||||
local f = table[name or "nil"]
|
||||
if not f then base.error("unknown key (".. base.tostring(name) ..")", 3)
|
||||
else return f(opt1, opt2) end
|
||||
end
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Socket sources and sinks, conforming to LTN12
|
||||
-----------------------------------------------------------------------------
|
||||
-- create namespaces inside LuaSocket namespace
|
||||
sourcet = {}
|
||||
sinkt = {}
|
||||
|
||||
BLOCKSIZE = 2048
|
||||
|
||||
sinkt["close-when-done"] = function(sock)
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function(self, chunk, err)
|
||||
if not chunk then
|
||||
sock:close()
|
||||
return 1
|
||||
else return sock:send(chunk) end
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
sinkt["keep-open"] = function(sock)
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function(self, chunk, err)
|
||||
if chunk then return sock:send(chunk)
|
||||
else return 1 end
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
sinkt["default"] = sinkt["keep-open"]
|
||||
|
||||
sink = choose(sinkt)
|
||||
|
||||
sourcet["by-length"] = function(sock, length)
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function()
|
||||
if length <= 0 then return nil end
|
||||
local size = math.min(socket.BLOCKSIZE, length)
|
||||
local chunk, err = sock:receive(size)
|
||||
if err then return nil, err end
|
||||
length = length - string.len(chunk)
|
||||
return chunk
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
sourcet["until-closed"] = function(sock)
|
||||
local done
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function()
|
||||
if done then return nil end
|
||||
local chunk, err, partial = sock:receive(socket.BLOCKSIZE)
|
||||
if not err then return chunk
|
||||
elseif err == "closed" then
|
||||
sock:close()
|
||||
done = 1
|
||||
return partial
|
||||
else return nil, err end
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
|
||||
sourcet["default"] = sourcet["until-closed"]
|
||||
|
||||
source = choose(sourcet)
|
||||
|
||||
BIN
lualib/socket/core.dll
Normal file
BIN
lualib/socket/core.dll
Normal file
Binary file not shown.
281
lualib/socket/ftp.lua
Normal file
281
lualib/socket/ftp.lua
Normal file
@@ -0,0 +1,281 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- FTP support for the Lua language
|
||||
-- LuaSocket toolkit.
|
||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: ftp.lua,v 1.45 2007/07/11 19:25:47 diego Exp $
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Declare module and import dependencies
|
||||
-----------------------------------------------------------------------------
|
||||
local base = _G
|
||||
local table = require("table")
|
||||
local string = require("string")
|
||||
local math = require("math")
|
||||
local socket = require("socket")
|
||||
local url = require("socket.url")
|
||||
local tp = require("socket.tp")
|
||||
local ltn12 = require("ltn12")
|
||||
module("socket.ftp")
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Program constants
|
||||
-----------------------------------------------------------------------------
|
||||
-- timeout in seconds before the program gives up on a connection
|
||||
TIMEOUT = 60
|
||||
-- default port for ftp service
|
||||
PORT = 21
|
||||
-- this is the default anonymous password. used when no password is
|
||||
-- provided in url. should be changed to your e-mail.
|
||||
USER = "ftp"
|
||||
PASSWORD = "anonymous@anonymous.org"
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Low level FTP API
|
||||
-----------------------------------------------------------------------------
|
||||
local metat = { __index = {} }
|
||||
|
||||
function open(server, port, create)
|
||||
local tp = socket.try(tp.connect(server, port or PORT, TIMEOUT, create))
|
||||
local f = base.setmetatable({ tp = tp }, metat)
|
||||
-- make sure everything gets closed in an exception
|
||||
f.try = socket.newtry(function() f:close() end)
|
||||
return f
|
||||
end
|
||||
|
||||
function metat.__index:portconnect()
|
||||
self.try(self.server:settimeout(TIMEOUT))
|
||||
self.data = self.try(self.server:accept())
|
||||
self.try(self.data:settimeout(TIMEOUT))
|
||||
end
|
||||
|
||||
function metat.__index:pasvconnect()
|
||||
self.data = self.try(socket.tcp())
|
||||
self.try(self.data:settimeout(TIMEOUT))
|
||||
self.try(self.data:connect(self.pasvt.ip, self.pasvt.port))
|
||||
end
|
||||
|
||||
function metat.__index:login(user, password)
|
||||
self.try(self.tp:command("user", user or USER))
|
||||
local code, reply = self.try(self.tp:check{"2..", 331})
|
||||
if code == 331 then
|
||||
self.try(self.tp:command("pass", password or PASSWORD))
|
||||
self.try(self.tp:check("2.."))
|
||||
end
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:pasv()
|
||||
self.try(self.tp:command("pasv"))
|
||||
local code, reply = self.try(self.tp:check("2.."))
|
||||
local pattern = "(%d+)%D(%d+)%D(%d+)%D(%d+)%D(%d+)%D(%d+)"
|
||||
local a, b, c, d, p1, p2 = socket.skip(2, string.find(reply, pattern))
|
||||
self.try(a and b and c and d and p1 and p2, reply)
|
||||
self.pasvt = {
|
||||
ip = string.format("%d.%d.%d.%d", a, b, c, d),
|
||||
port = p1*256 + p2
|
||||
}
|
||||
if self.server then
|
||||
self.server:close()
|
||||
self.server = nil
|
||||
end
|
||||
return self.pasvt.ip, self.pasvt.port
|
||||
end
|
||||
|
||||
function metat.__index:port(ip, port)
|
||||
self.pasvt = nil
|
||||
if not ip then
|
||||
ip, port = self.try(self.tp:getcontrol():getsockname())
|
||||
self.server = self.try(socket.bind(ip, 0))
|
||||
ip, port = self.try(self.server:getsockname())
|
||||
self.try(self.server:settimeout(TIMEOUT))
|
||||
end
|
||||
local pl = math.mod(port, 256)
|
||||
local ph = (port - pl)/256
|
||||
local arg = string.gsub(string.format("%s,%d,%d", ip, ph, pl), "%.", ",")
|
||||
self.try(self.tp:command("port", arg))
|
||||
self.try(self.tp:check("2.."))
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:send(sendt)
|
||||
self.try(self.pasvt or self.server, "need port or pasv first")
|
||||
-- if there is a pasvt table, we already sent a PASV command
|
||||
-- we just get the data connection into self.data
|
||||
if self.pasvt then self:pasvconnect() end
|
||||
-- get the transfer argument and command
|
||||
local argument = sendt.argument or
|
||||
url.unescape(string.gsub(sendt.path or "", "^[/\\]", ""))
|
||||
if argument == "" then argument = nil end
|
||||
local command = sendt.command or "stor"
|
||||
-- send the transfer command and check the reply
|
||||
self.try(self.tp:command(command, argument))
|
||||
local code, reply = self.try(self.tp:check{"2..", "1.."})
|
||||
-- if there is not a a pasvt table, then there is a server
|
||||
-- and we already sent a PORT command
|
||||
if not self.pasvt then self:portconnect() end
|
||||
-- get the sink, source and step for the transfer
|
||||
local step = sendt.step or ltn12.pump.step
|
||||
local readt = {self.tp.c}
|
||||
local checkstep = function(src, snk)
|
||||
-- check status in control connection while downloading
|
||||
local readyt = socket.select(readt, nil, 0)
|
||||
if readyt[tp] then code = self.try(self.tp:check("2..")) end
|
||||
return step(src, snk)
|
||||
end
|
||||
local sink = socket.sink("close-when-done", self.data)
|
||||
-- transfer all data and check error
|
||||
self.try(ltn12.pump.all(sendt.source, sink, checkstep))
|
||||
if string.find(code, "1..") then self.try(self.tp:check("2..")) end
|
||||
-- done with data connection
|
||||
self.data:close()
|
||||
-- find out how many bytes were sent
|
||||
local sent = socket.skip(1, self.data:getstats())
|
||||
self.data = nil
|
||||
return sent
|
||||
end
|
||||
|
||||
function metat.__index:receive(recvt)
|
||||
self.try(self.pasvt or self.server, "need port or pasv first")
|
||||
if self.pasvt then self:pasvconnect() end
|
||||
local argument = recvt.argument or
|
||||
url.unescape(string.gsub(recvt.path or "", "^[/\\]", ""))
|
||||
if argument == "" then argument = nil end
|
||||
local command = recvt.command or "retr"
|
||||
self.try(self.tp:command(command, argument))
|
||||
local code = self.try(self.tp:check{"1..", "2.."})
|
||||
if not self.pasvt then self:portconnect() end
|
||||
local source = socket.source("until-closed", self.data)
|
||||
local step = recvt.step or ltn12.pump.step
|
||||
self.try(ltn12.pump.all(source, recvt.sink, step))
|
||||
if string.find(code, "1..") then self.try(self.tp:check("2..")) end
|
||||
self.data:close()
|
||||
self.data = nil
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:cwd(dir)
|
||||
self.try(self.tp:command("cwd", dir))
|
||||
self.try(self.tp:check(250))
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:type(type)
|
||||
self.try(self.tp:command("type", type))
|
||||
self.try(self.tp:check(200))
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:greet()
|
||||
local code = self.try(self.tp:check{"1..", "2.."})
|
||||
if string.find(code, "1..") then self.try(self.tp:check("2..")) end
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:quit()
|
||||
self.try(self.tp:command("quit"))
|
||||
self.try(self.tp:check("2.."))
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:close()
|
||||
if self.data then self.data:close() end
|
||||
if self.server then self.server:close() end
|
||||
return self.tp:close()
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- High level FTP API
|
||||
-----------------------------------------------------------------------------
|
||||
local function override(t)
|
||||
if t.url then
|
||||
local u = url.parse(t.url)
|
||||
for i,v in base.pairs(t) do
|
||||
u[i] = v
|
||||
end
|
||||
return u
|
||||
else return t end
|
||||
end
|
||||
|
||||
local function tput(putt)
|
||||
putt = override(putt)
|
||||
socket.try(putt.host, "missing hostname")
|
||||
local f = open(putt.host, putt.port, putt.create)
|
||||
f:greet()
|
||||
f:login(putt.user, putt.password)
|
||||
if putt.type then f:type(putt.type) end
|
||||
f:pasv()
|
||||
local sent = f:send(putt)
|
||||
f:quit()
|
||||
f:close()
|
||||
return sent
|
||||
end
|
||||
|
||||
local default = {
|
||||
path = "/",
|
||||
scheme = "ftp"
|
||||
}
|
||||
|
||||
local function parse(u)
|
||||
local t = socket.try(url.parse(u, default))
|
||||
socket.try(t.scheme == "ftp", "wrong scheme '" .. t.scheme .. "'")
|
||||
socket.try(t.host, "missing hostname")
|
||||
local pat = "^type=(.)$"
|
||||
if t.params then
|
||||
t.type = socket.skip(2, string.find(t.params, pat))
|
||||
socket.try(t.type == "a" or t.type == "i",
|
||||
"invalid type '" .. t.type .. "'")
|
||||
end
|
||||
return t
|
||||
end
|
||||
|
||||
local function sput(u, body)
|
||||
local putt = parse(u)
|
||||
putt.source = ltn12.source.string(body)
|
||||
return tput(putt)
|
||||
end
|
||||
|
||||
put = socket.protect(function(putt, body)
|
||||
if base.type(putt) == "string" then return sput(putt, body)
|
||||
else return tput(putt) end
|
||||
end)
|
||||
|
||||
local function tget(gett)
|
||||
gett = override(gett)
|
||||
socket.try(gett.host, "missing hostname")
|
||||
local f = open(gett.host, gett.port, gett.create)
|
||||
f:greet()
|
||||
f:login(gett.user, gett.password)
|
||||
if gett.type then f:type(gett.type) end
|
||||
f:pasv()
|
||||
f:receive(gett)
|
||||
f:quit()
|
||||
return f:close()
|
||||
end
|
||||
|
||||
local function sget(u)
|
||||
local gett = parse(u)
|
||||
local t = {}
|
||||
gett.sink = ltn12.sink.table(t)
|
||||
tget(gett)
|
||||
return table.concat(t)
|
||||
end
|
||||
|
||||
command = socket.protect(function(cmdt)
|
||||
cmdt = override(cmdt)
|
||||
socket.try(cmdt.host, "missing hostname")
|
||||
socket.try(cmdt.command, "missing command")
|
||||
local f = open(cmdt.host, cmdt.port, cmdt.create)
|
||||
f:greet()
|
||||
f:login(cmdt.user, cmdt.password)
|
||||
f.try(f.tp:command(cmdt.command, cmdt.argument))
|
||||
if cmdt.check then f.try(f.tp:check(cmdt.check)) end
|
||||
f:quit()
|
||||
return f:close()
|
||||
end)
|
||||
|
||||
get = socket.protect(function(gett)
|
||||
if base.type(gett) == "string" then return sget(gett)
|
||||
else return tget(gett) end
|
||||
end)
|
||||
|
||||
350
lualib/socket/http.lua
Normal file
350
lualib/socket/http.lua
Normal file
@@ -0,0 +1,350 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- HTTP/1.1 client support for the Lua language.
|
||||
-- LuaSocket toolkit.
|
||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: http.lua,v 1.70 2007/03/12 04:08:40 diego Exp $
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Declare module and import dependencies
|
||||
-------------------------------------------------------------------------------
|
||||
local socket = require("socket")
|
||||
local url = require("socket.url")
|
||||
local ltn12 = require("ltn12")
|
||||
local mime = require("mime")
|
||||
local string = require("string")
|
||||
local base = _G
|
||||
local table = require("table")
|
||||
module("socket.http")
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Program constants
|
||||
-----------------------------------------------------------------------------
|
||||
-- connection timeout in seconds
|
||||
TIMEOUT = 60
|
||||
-- default port for document retrieval
|
||||
PORT = 80
|
||||
-- user agent field sent in request
|
||||
USERAGENT = socket._VERSION
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Reads MIME headers from a connection, unfolding where needed
|
||||
-----------------------------------------------------------------------------
|
||||
local function receiveheaders(sock, headers)
|
||||
local line, name, value, err
|
||||
headers = headers or {}
|
||||
-- get first line
|
||||
line, err = sock:receive()
|
||||
if err then return nil, err end
|
||||
-- headers go until a blank line is found
|
||||
while line ~= "" do
|
||||
-- get field-name and value
|
||||
name, value = socket.skip(2, string.find(line, "^(.-):%s*(.*)"))
|
||||
if not (name and value) then return nil, "malformed reponse headers" end
|
||||
name = string.lower(name)
|
||||
-- get next line (value might be folded)
|
||||
line, err = sock:receive()
|
||||
if err then return nil, err end
|
||||
-- unfold any folded values
|
||||
while string.find(line, "^%s") do
|
||||
value = value .. line
|
||||
line = sock:receive()
|
||||
if err then return nil, err end
|
||||
end
|
||||
-- save pair in table
|
||||
if headers[name] then headers[name] = headers[name] .. ", " .. value
|
||||
else headers[name] = value end
|
||||
end
|
||||
return headers
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Extra sources and sinks
|
||||
-----------------------------------------------------------------------------
|
||||
socket.sourcet["http-chunked"] = function(sock, headers)
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function()
|
||||
-- get chunk size, skip extention
|
||||
local line, err = sock:receive()
|
||||
if err then return nil, err end
|
||||
local size = base.tonumber(string.gsub(line, ";.*", ""), 16)
|
||||
if not size then return nil, "invalid chunk size" end
|
||||
-- was it the last chunk?
|
||||
if size > 0 then
|
||||
-- if not, get chunk and skip terminating CRLF
|
||||
local chunk, err, part = sock:receive(size)
|
||||
if chunk then sock:receive() end
|
||||
return chunk, err
|
||||
else
|
||||
-- if it was, read trailers into headers table
|
||||
headers, err = receiveheaders(sock, headers)
|
||||
if not headers then return nil, err end
|
||||
end
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
socket.sinkt["http-chunked"] = function(sock)
|
||||
return base.setmetatable({
|
||||
getfd = function() return sock:getfd() end,
|
||||
dirty = function() return sock:dirty() end
|
||||
}, {
|
||||
__call = function(self, chunk, err)
|
||||
if not chunk then return sock:send("0\r\n\r\n") end
|
||||
local size = string.format("%X\r\n", string.len(chunk))
|
||||
return sock:send(size .. chunk .. "\r\n")
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Low level HTTP API
|
||||
-----------------------------------------------------------------------------
|
||||
local metat = { __index = {} }
|
||||
|
||||
function open(host, port, create)
|
||||
-- create socket with user connect function, or with default
|
||||
local c = socket.try((create or socket.tcp)())
|
||||
local h = base.setmetatable({ c = c }, metat)
|
||||
-- create finalized try
|
||||
h.try = socket.newtry(function() h:close() end)
|
||||
-- set timeout before connecting
|
||||
h.try(c:settimeout(TIMEOUT))
|
||||
h.try(c:connect(host, port or PORT))
|
||||
-- here everything worked
|
||||
return h
|
||||
end
|
||||
|
||||
function metat.__index:sendrequestline(method, uri)
|
||||
local reqline = string.format("%s %s HTTP/1.1\r\n", method or "GET", uri)
|
||||
return self.try(self.c:send(reqline))
|
||||
end
|
||||
|
||||
function metat.__index:sendheaders(headers)
|
||||
local h = "\r\n"
|
||||
for i, v in base.pairs(headers) do
|
||||
h = i .. ": " .. v .. "\r\n" .. h
|
||||
end
|
||||
self.try(self.c:send(h))
|
||||
return 1
|
||||
end
|
||||
|
||||
function metat.__index:sendbody(headers, source, step)
|
||||
source = source or ltn12.source.empty()
|
||||
step = step or ltn12.pump.step
|
||||
-- if we don't know the size in advance, send chunked and hope for the best
|
||||
local mode = "http-chunked"
|
||||
if headers["content-length"] then mode = "keep-open" end
|
||||
return self.try(ltn12.pump.all(source, socket.sink(mode, self.c), step))
|
||||
end
|
||||
|
||||
function metat.__index:receivestatusline()
|
||||
local status = self.try(self.c:receive(5))
|
||||
-- identify HTTP/0.9 responses, which do not contain a status line
|
||||
-- this is just a heuristic, but is what the RFC recommends
|
||||
if status ~= "HTTP/" then return nil, status end
|
||||
-- otherwise proceed reading a status line
|
||||
status = self.try(self.c:receive("*l", status))
|
||||
local code = socket.skip(2, string.find(status, "HTTP/%d*%.%d* (%d%d%d)"))
|
||||
return self.try(base.tonumber(code), status)
|
||||
end
|
||||
|
||||
function metat.__index:receiveheaders()
|
||||
return self.try(receiveheaders(self.c))
|
||||
end
|
||||
|
||||
function metat.__index:receivebody(headers, sink, step)
|
||||
sink = sink or ltn12.sink.null()
|
||||
step = step or ltn12.pump.step
|
||||
local length = base.tonumber(headers["content-length"])
|
||||
local t = headers["transfer-encoding"] -- shortcut
|
||||
local mode = "default" -- connection close
|
||||
if t and t ~= "identity" then mode = "http-chunked"
|
||||
elseif base.tonumber(headers["content-length"]) then mode = "by-length" end
|
||||
return self.try(ltn12.pump.all(socket.source(mode, self.c, length),
|
||||
sink, step))
|
||||
end
|
||||
|
||||
function metat.__index:receive09body(status, sink, step)
|
||||
local source = ltn12.source.rewind(socket.source("until-closed", self.c))
|
||||
source(status)
|
||||
return self.try(ltn12.pump.all(source, sink, step))
|
||||
end
|
||||
|
||||
function metat.__index:close()
|
||||
return self.c:close()
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- High level HTTP API
|
||||
-----------------------------------------------------------------------------
|
||||
local function adjusturi(reqt)
|
||||
local u = reqt
|
||||
-- if there is a proxy, we need the full url. otherwise, just a part.
|
||||
if not reqt.proxy and not PROXY then
|
||||
u = {
|
||||
path = socket.try(reqt.path, "invalid path 'nil'"),
|
||||
params = reqt.params,
|
||||
query = reqt.query,
|
||||
fragment = reqt.fragment
|
||||
}
|
||||
end
|
||||
return url.build(u)
|
||||
end
|
||||
|
||||
local function adjustproxy(reqt)
|
||||
local proxy = reqt.proxy or PROXY
|
||||
if proxy then
|
||||
proxy = url.parse(proxy)
|
||||
return proxy.host, proxy.port or 3128
|
||||
else
|
||||
return reqt.host, reqt.port
|
||||
end
|
||||
end
|
||||
|
||||
local function adjustheaders(reqt)
|
||||
-- default headers
|
||||
local lower = {
|
||||
["user-agent"] = USERAGENT,
|
||||
["host"] = reqt.host,
|
||||
["connection"] = "close, TE",
|
||||
["te"] = "trailers"
|
||||
}
|
||||
-- if we have authentication information, pass it along
|
||||
if reqt.user and reqt.password then
|
||||
lower["authorization"] =
|
||||
"Basic " .. (mime.b64(reqt.user .. ":" .. reqt.password))
|
||||
end
|
||||
-- override with user headers
|
||||
for i,v in base.pairs(reqt.headers or lower) do
|
||||
lower[string.lower(i)] = v
|
||||
end
|
||||
return lower
|
||||
end
|
||||
|
||||
-- default url parts
|
||||
local default = {
|
||||
host = "",
|
||||
port = PORT,
|
||||
path ="/",
|
||||
scheme = "http"
|
||||
}
|
||||
|
||||
local function adjustrequest(reqt)
|
||||
-- parse url if provided
|
||||
local nreqt = reqt.url and url.parse(reqt.url, default) or {}
|
||||
-- explicit components override url
|
||||
for i,v in base.pairs(reqt) do nreqt[i] = v end
|
||||
if nreqt.port == "" then nreqt.port = 80 end
|
||||
socket.try(nreqt.host and nreqt.host ~= "",
|
||||
"invalid host '" .. base.tostring(nreqt.host) .. "'")
|
||||
-- compute uri if user hasn't overriden
|
||||
nreqt.uri = reqt.uri or adjusturi(nreqt)
|
||||
-- ajust host and port if there is a proxy
|
||||
nreqt.host, nreqt.port = adjustproxy(nreqt)
|
||||
-- adjust headers in request
|
||||
nreqt.headers = adjustheaders(nreqt)
|
||||
return nreqt
|
||||
end
|
||||
|
||||
local function shouldredirect(reqt, code, headers)
|
||||
return headers.location and
|
||||
string.gsub(headers.location, "%s", "") ~= "" and
|
||||
(reqt.redirect ~= false) and
|
||||
(code == 301 or code == 302) and
|
||||
(not reqt.method or reqt.method == "GET" or reqt.method == "HEAD")
|
||||
and (not reqt.nredirects or reqt.nredirects < 5)
|
||||
end
|
||||
|
||||
local function shouldreceivebody(reqt, code)
|
||||
if reqt.method == "HEAD" then return nil end
|
||||
if code == 204 or code == 304 then return nil end
|
||||
if code >= 100 and code < 200 then return nil end
|
||||
return 1
|
||||
end
|
||||
|
||||
-- forward declarations
|
||||
local trequest, tredirect
|
||||
|
||||
function tredirect(reqt, location)
|
||||
local result, code, headers, status = trequest {
|
||||
-- the RFC says the redirect URL has to be absolute, but some
|
||||
-- servers do not respect that
|
||||
url = url.absolute(reqt.url, location),
|
||||
source = reqt.source,
|
||||
sink = reqt.sink,
|
||||
headers = reqt.headers,
|
||||
proxy = reqt.proxy,
|
||||
nredirects = (reqt.nredirects or 0) + 1,
|
||||
create = reqt.create
|
||||
}
|
||||
-- pass location header back as a hint we redirected
|
||||
headers = headers or {}
|
||||
headers.location = headers.location or location
|
||||
return result, code, headers, status
|
||||
end
|
||||
|
||||
function trequest(reqt)
|
||||
-- we loop until we get what we want, or
|
||||
-- until we are sure there is no way to get it
|
||||
local nreqt = adjustrequest(reqt)
|
||||
local h = open(nreqt.host, nreqt.port, nreqt.create)
|
||||
-- send request line and headers
|
||||
h:sendrequestline(nreqt.method, nreqt.uri)
|
||||
h:sendheaders(nreqt.headers)
|
||||
-- if there is a body, send it
|
||||
if nreqt.source then
|
||||
h:sendbody(nreqt.headers, nreqt.source, nreqt.step)
|
||||
end
|
||||
local code, status = h:receivestatusline()
|
||||
-- if it is an HTTP/0.9 server, simply get the body and we are done
|
||||
if not code then
|
||||
h:receive09body(status, nreqt.sink, nreqt.step)
|
||||
return 1, 200
|
||||
end
|
||||
local headers
|
||||
-- ignore any 100-continue messages
|
||||
while code == 100 do
|
||||
headers = h:receiveheaders()
|
||||
code, status = h:receivestatusline()
|
||||
end
|
||||
headers = h:receiveheaders()
|
||||
-- at this point we should have a honest reply from the server
|
||||
-- we can't redirect if we already used the source, so we report the error
|
||||
if shouldredirect(nreqt, code, headers) and not nreqt.source then
|
||||
h:close()
|
||||
return tredirect(reqt, headers.location)
|
||||
end
|
||||
-- here we are finally done
|
||||
if shouldreceivebody(nreqt, code) then
|
||||
h:receivebody(headers, nreqt.sink, nreqt.step)
|
||||
end
|
||||
h:close()
|
||||
return 1, code, headers, status
|
||||
end
|
||||
|
||||
local function srequest(u, b)
|
||||
local t = {}
|
||||
local reqt = {
|
||||
url = u,
|
||||
sink = ltn12.sink.table(t)
|
||||
}
|
||||
if b then
|
||||
reqt.source = ltn12.source.string(b)
|
||||
reqt.headers = {
|
||||
["content-length"] = string.len(b),
|
||||
["content-type"] = "application/x-www-form-urlencoded"
|
||||
}
|
||||
reqt.method = "POST"
|
||||
end
|
||||
local code, headers, status = socket.skip(1, trequest(reqt))
|
||||
return table.concat(t), code, headers, status
|
||||
end
|
||||
|
||||
request = socket.protect(function(reqt, body)
|
||||
if base.type(reqt) == "string" then return srequest(reqt, body)
|
||||
else return trequest(reqt) end
|
||||
end)
|
||||
251
lualib/socket/smtp.lua
Normal file
251
lualib/socket/smtp.lua
Normal file
@@ -0,0 +1,251 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- SMTP client support for the Lua language.
|
||||
-- LuaSocket toolkit.
|
||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: smtp.lua,v 1.46 2007/03/12 04:08:40 diego Exp $
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Declare module and import dependencies
|
||||
-----------------------------------------------------------------------------
|
||||
local base = _G
|
||||
local coroutine = require("coroutine")
|
||||
local string = require("string")
|
||||
local math = require("math")
|
||||
local os = require("os")
|
||||
local socket = require("socket")
|
||||
local tp = require("socket.tp")
|
||||
local ltn12 = require("ltn12")
|
||||
local mime = require("mime")
|
||||
module("socket.smtp")
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Program constants
|
||||
-----------------------------------------------------------------------------
|
||||
-- timeout for connection
|
||||
TIMEOUT = 60
|
||||
-- default server used to send e-mails
|
||||
SERVER = "localhost"
|
||||
-- default port
|
||||
PORT = 25
|
||||
-- domain used in HELO command and default sendmail
|
||||
-- If we are under a CGI, try to get from environment
|
||||
DOMAIN = os.getenv("SERVER_NAME") or "localhost"
|
||||
-- default time zone (means we don't know)
|
||||
ZONE = "-0000"
|
||||
|
||||
---------------------------------------------------------------------------
|
||||
-- Low level SMTP API
|
||||
-----------------------------------------------------------------------------
|
||||
local metat = { __index = {} }
|
||||
|
||||
function metat.__index:greet(domain)
|
||||
self.try(self.tp:check("2.."))
|
||||
self.try(self.tp:command("EHLO", domain or DOMAIN))
|
||||
return socket.skip(1, self.try(self.tp:check("2..")))
|
||||
end
|
||||
|
||||
function metat.__index:mail(from)
|
||||
self.try(self.tp:command("MAIL", "FROM:" .. from))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:rcpt(to)
|
||||
self.try(self.tp:command("RCPT", "TO:" .. to))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:data(src, step)
|
||||
self.try(self.tp:command("DATA"))
|
||||
self.try(self.tp:check("3.."))
|
||||
self.try(self.tp:source(src, step))
|
||||
self.try(self.tp:send("\r\n.\r\n"))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:quit()
|
||||
self.try(self.tp:command("QUIT"))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:close()
|
||||
return self.tp:close()
|
||||
end
|
||||
|
||||
function metat.__index:login(user, password)
|
||||
self.try(self.tp:command("AUTH", "LOGIN"))
|
||||
self.try(self.tp:check("3.."))
|
||||
self.try(self.tp:command(mime.b64(user)))
|
||||
self.try(self.tp:check("3.."))
|
||||
self.try(self.tp:command(mime.b64(password)))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:plain(user, password)
|
||||
local auth = "PLAIN " .. mime.b64("\0" .. user .. "\0" .. password)
|
||||
self.try(self.tp:command("AUTH", auth))
|
||||
return self.try(self.tp:check("2.."))
|
||||
end
|
||||
|
||||
function metat.__index:auth(user, password, ext)
|
||||
if not user or not password then return 1 end
|
||||
if string.find(ext, "AUTH[^\n]+LOGIN") then
|
||||
return self:login(user, password)
|
||||
elseif string.find(ext, "AUTH[^\n]+PLAIN") then
|
||||
return self:plain(user, password)
|
||||
else
|
||||
self.try(nil, "authentication not supported")
|
||||
end
|
||||
end
|
||||
|
||||
-- send message or throw an exception
|
||||
function metat.__index:send(mailt)
|
||||
self:mail(mailt.from)
|
||||
if base.type(mailt.rcpt) == "table" then
|
||||
for i,v in base.ipairs(mailt.rcpt) do
|
||||
self:rcpt(v)
|
||||
end
|
||||
else
|
||||
self:rcpt(mailt.rcpt)
|
||||
end
|
||||
self:data(ltn12.source.chain(mailt.source, mime.stuff()), mailt.step)
|
||||
end
|
||||
|
||||
function open(server, port, create)
|
||||
local tp = socket.try(tp.connect(server or SERVER, port or PORT,
|
||||
TIMEOUT, create))
|
||||
local s = base.setmetatable({tp = tp}, metat)
|
||||
-- make sure tp is closed if we get an exception
|
||||
s.try = socket.newtry(function()
|
||||
s:close()
|
||||
end)
|
||||
return s
|
||||
end
|
||||
|
||||
-- convert headers to lowercase
|
||||
local function lower_headers(headers)
|
||||
local lower = {}
|
||||
for i,v in base.pairs(headers or lower) do
|
||||
lower[string.lower(i)] = v
|
||||
end
|
||||
return lower
|
||||
end
|
||||
|
||||
---------------------------------------------------------------------------
|
||||
-- Multipart message source
|
||||
-----------------------------------------------------------------------------
|
||||
-- returns a hopefully unique mime boundary
|
||||
local seqno = 0
|
||||
local function newboundary()
|
||||
seqno = seqno + 1
|
||||
return string.format('%s%05d==%05u', os.date('%d%m%Y%H%M%S'),
|
||||
math.random(0, 99999), seqno)
|
||||
end
|
||||
|
||||
-- send_message forward declaration
|
||||
local send_message
|
||||
|
||||
-- yield the headers all at once, it's faster
|
||||
local function send_headers(headers)
|
||||
local h = "\r\n"
|
||||
for i,v in base.pairs(headers) do
|
||||
h = i .. ': ' .. v .. "\r\n" .. h
|
||||
end
|
||||
coroutine.yield(h)
|
||||
end
|
||||
|
||||
-- yield multipart message body from a multipart message table
|
||||
local function send_multipart(mesgt)
|
||||
-- make sure we have our boundary and send headers
|
||||
local bd = newboundary()
|
||||
local headers = lower_headers(mesgt.headers or {})
|
||||
headers['content-type'] = headers['content-type'] or 'multipart/mixed'
|
||||
headers['content-type'] = headers['content-type'] ..
|
||||
'; boundary="' .. bd .. '"'
|
||||
send_headers(headers)
|
||||
-- send preamble
|
||||
if mesgt.body.preamble then
|
||||
coroutine.yield(mesgt.body.preamble)
|
||||
coroutine.yield("\r\n")
|
||||
end
|
||||
-- send each part separated by a boundary
|
||||
for i, m in base.ipairs(mesgt.body) do
|
||||
coroutine.yield("\r\n--" .. bd .. "\r\n")
|
||||
send_message(m)
|
||||
end
|
||||
-- send last boundary
|
||||
coroutine.yield("\r\n--" .. bd .. "--\r\n\r\n")
|
||||
-- send epilogue
|
||||
if mesgt.body.epilogue then
|
||||
coroutine.yield(mesgt.body.epilogue)
|
||||
coroutine.yield("\r\n")
|
||||
end
|
||||
end
|
||||
|
||||
-- yield message body from a source
|
||||
local function send_source(mesgt)
|
||||
-- make sure we have a content-type
|
||||
local headers = lower_headers(mesgt.headers or {})
|
||||
headers['content-type'] = headers['content-type'] or
|
||||
'text/plain; charset="iso-8859-1"'
|
||||
send_headers(headers)
|
||||
-- send body from source
|
||||
while true do
|
||||
local chunk, err = mesgt.body()
|
||||
if err then coroutine.yield(nil, err)
|
||||
elseif chunk then coroutine.yield(chunk)
|
||||
else break end
|
||||
end
|
||||
end
|
||||
|
||||
-- yield message body from a string
|
||||
local function send_string(mesgt)
|
||||
-- make sure we have a content-type
|
||||
local headers = lower_headers(mesgt.headers or {})
|
||||
headers['content-type'] = headers['content-type'] or
|
||||
'text/plain; charset="iso-8859-1"'
|
||||
send_headers(headers)
|
||||
-- send body from string
|
||||
coroutine.yield(mesgt.body)
|
||||
end
|
||||
|
||||
-- message source
|
||||
function send_message(mesgt)
|
||||
if base.type(mesgt.body) == "table" then send_multipart(mesgt)
|
||||
elseif base.type(mesgt.body) == "function" then send_source(mesgt)
|
||||
else send_string(mesgt) end
|
||||
end
|
||||
|
||||
-- set defaul headers
|
||||
local function adjust_headers(mesgt)
|
||||
local lower = lower_headers(mesgt.headers)
|
||||
lower["date"] = lower["date"] or
|
||||
os.date("!%a, %d %b %Y %H:%M:%S ") .. (mesgt.zone or ZONE)
|
||||
lower["x-mailer"] = lower["x-mailer"] or socket._VERSION
|
||||
-- this can't be overriden
|
||||
lower["mime-version"] = "1.0"
|
||||
return lower
|
||||
end
|
||||
|
||||
function message(mesgt)
|
||||
mesgt.headers = adjust_headers(mesgt)
|
||||
-- create and return message source
|
||||
local co = coroutine.create(function() send_message(mesgt) end)
|
||||
return function()
|
||||
local ret, a, b = coroutine.resume(co)
|
||||
if ret then return a, b
|
||||
else return nil, a end
|
||||
end
|
||||
end
|
||||
|
||||
---------------------------------------------------------------------------
|
||||
-- High level SMTP API
|
||||
-----------------------------------------------------------------------------
|
||||
send = socket.protect(function(mailt)
|
||||
local s = open(mailt.server, mailt.port, mailt.create)
|
||||
local ext = s:greet(mailt.domain)
|
||||
s:auth(mailt.user, mailt.password, ext)
|
||||
s:send(mailt)
|
||||
s:quit()
|
||||
return s:close()
|
||||
end)
|
||||
123
lualib/socket/tp.lua
Normal file
123
lualib/socket/tp.lua
Normal file
@@ -0,0 +1,123 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- Unified SMTP/FTP subsystem
|
||||
-- LuaSocket toolkit.
|
||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: tp.lua,v 1.22 2006/03/14 09:04:15 diego Exp $
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Declare module and import dependencies
|
||||
-----------------------------------------------------------------------------
|
||||
local base = _G
|
||||
local string = require("string")
|
||||
local socket = require("socket")
|
||||
local ltn12 = require("ltn12")
|
||||
module("socket.tp")
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Program constants
|
||||
-----------------------------------------------------------------------------
|
||||
TIMEOUT = 60
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Implementation
|
||||
-----------------------------------------------------------------------------
|
||||
-- gets server reply (works for SMTP and FTP)
|
||||
local function get_reply(c)
|
||||
local code, current, sep
|
||||
local line, err = c:receive()
|
||||
local reply = line
|
||||
if err then return nil, err end
|
||||
code, sep = socket.skip(2, string.find(line, "^(%d%d%d)(.?)"))
|
||||
if not code then return nil, "invalid server reply" end
|
||||
if sep == "-" then -- reply is multiline
|
||||
repeat
|
||||
line, err = c:receive()
|
||||
if err then return nil, err end
|
||||
current, sep = socket.skip(2, string.find(line, "^(%d%d%d)(.?)"))
|
||||
reply = reply .. "\n" .. line
|
||||
-- reply ends with same code
|
||||
until code == current and sep == " "
|
||||
end
|
||||
return code, reply
|
||||
end
|
||||
|
||||
-- metatable for sock object
|
||||
local metat = { __index = {} }
|
||||
|
||||
function metat.__index:check(ok)
|
||||
local code, reply = get_reply(self.c)
|
||||
if not code then return nil, reply end
|
||||
if base.type(ok) ~= "function" then
|
||||
if base.type(ok) == "table" then
|
||||
for i, v in base.ipairs(ok) do
|
||||
if string.find(code, v) then
|
||||
return base.tonumber(code), reply
|
||||
end
|
||||
end
|
||||
return nil, reply
|
||||
else
|
||||
if string.find(code, ok) then return base.tonumber(code), reply
|
||||
else return nil, reply end
|
||||
end
|
||||
else return ok(base.tonumber(code), reply) end
|
||||
end
|
||||
|
||||
function metat.__index:command(cmd, arg)
|
||||
if arg then
|
||||
return self.c:send(cmd .. " " .. arg.. "\r\n")
|
||||
else
|
||||
return self.c:send(cmd .. "\r\n")
|
||||
end
|
||||
end
|
||||
|
||||
function metat.__index:sink(snk, pat)
|
||||
local chunk, err = c:receive(pat)
|
||||
return snk(chunk, err)
|
||||
end
|
||||
|
||||
function metat.__index:send(data)
|
||||
return self.c:send(data)
|
||||
end
|
||||
|
||||
function metat.__index:receive(pat)
|
||||
return self.c:receive(pat)
|
||||
end
|
||||
|
||||
function metat.__index:getfd()
|
||||
return self.c:getfd()
|
||||
end
|
||||
|
||||
function metat.__index:dirty()
|
||||
return self.c:dirty()
|
||||
end
|
||||
|
||||
function metat.__index:getcontrol()
|
||||
return self.c
|
||||
end
|
||||
|
||||
function metat.__index:source(source, step)
|
||||
local sink = socket.sink("keep-open", self.c)
|
||||
local ret, err = ltn12.pump.all(source, sink, step or ltn12.pump.step)
|
||||
return ret, err
|
||||
end
|
||||
|
||||
-- closes the underlying c
|
||||
function metat.__index:close()
|
||||
self.c:close()
|
||||
return 1
|
||||
end
|
||||
|
||||
-- connect with server and return c object
|
||||
function connect(host, port, timeout, create)
|
||||
local c, e = (create or socket.tcp)()
|
||||
if not c then return nil, e end
|
||||
c:settimeout(timeout or TIMEOUT)
|
||||
local r, e = c:connect(host, port)
|
||||
if not r then
|
||||
c:close()
|
||||
return nil, e
|
||||
end
|
||||
return base.setmetatable({c = c}, metat)
|
||||
end
|
||||
|
||||
297
lualib/socket/url.lua
Normal file
297
lualib/socket/url.lua
Normal file
@@ -0,0 +1,297 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- URI parsing, composition and relative URL resolution
|
||||
-- LuaSocket toolkit.
|
||||
-- Author: Diego Nehab
|
||||
-- RCS ID: $Id: url.lua,v 1.38 2006/04/03 04:45:42 diego Exp $
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Declare module
|
||||
-----------------------------------------------------------------------------
|
||||
local string = require("string")
|
||||
local base = _G
|
||||
local table = require("table")
|
||||
module("socket.url")
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Module version
|
||||
-----------------------------------------------------------------------------
|
||||
_VERSION = "URL 1.0.1"
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Encodes a string into its escaped hexadecimal representation
|
||||
-- Input
|
||||
-- s: binary string to be encoded
|
||||
-- Returns
|
||||
-- escaped representation of string binary
|
||||
-----------------------------------------------------------------------------
|
||||
function escape(s)
|
||||
return string.gsub(s, "([^A-Za-z0-9_])", function(c)
|
||||
return string.format("%%%02x", string.byte(c))
|
||||
end)
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Protects a path segment, to prevent it from interfering with the
|
||||
-- url parsing.
|
||||
-- Input
|
||||
-- s: binary string to be encoded
|
||||
-- Returns
|
||||
-- escaped representation of string binary
|
||||
-----------------------------------------------------------------------------
|
||||
local function make_set(t)
|
||||
local s = {}
|
||||
for i,v in base.ipairs(t) do
|
||||
s[t[i]] = 1
|
||||
end
|
||||
return s
|
||||
end
|
||||
|
||||
-- these are allowed withing a path segment, along with alphanum
|
||||
-- other characters must be escaped
|
||||
local segment_set = make_set {
|
||||
"-", "_", ".", "!", "~", "*", "'", "(",
|
||||
")", ":", "@", "&", "=", "+", "$", ",",
|
||||
}
|
||||
|
||||
local function protect_segment(s)
|
||||
return string.gsub(s, "([^A-Za-z0-9_])", function (c)
|
||||
if segment_set[c] then return c
|
||||
else return string.format("%%%02x", string.byte(c)) end
|
||||
end)
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Encodes a string into its escaped hexadecimal representation
|
||||
-- Input
|
||||
-- s: binary string to be encoded
|
||||
-- Returns
|
||||
-- escaped representation of string binary
|
||||
-----------------------------------------------------------------------------
|
||||
function unescape(s)
|
||||
return string.gsub(s, "%%(%x%x)", function(hex)
|
||||
return string.char(base.tonumber(hex, 16))
|
||||
end)
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Builds a path from a base path and a relative path
|
||||
-- Input
|
||||
-- base_path
|
||||
-- relative_path
|
||||
-- Returns
|
||||
-- corresponding absolute path
|
||||
-----------------------------------------------------------------------------
|
||||
local function absolute_path(base_path, relative_path)
|
||||
if string.sub(relative_path, 1, 1) == "/" then return relative_path end
|
||||
local path = string.gsub(base_path, "[^/]*$", "")
|
||||
path = path .. relative_path
|
||||
path = string.gsub(path, "([^/]*%./)", function (s)
|
||||
if s ~= "./" then return s else return "" end
|
||||
end)
|
||||
path = string.gsub(path, "/%.$", "/")
|
||||
local reduced
|
||||
while reduced ~= path do
|
||||
reduced = path
|
||||
path = string.gsub(reduced, "([^/]*/%.%./)", function (s)
|
||||
if s ~= "../../" then return "" else return s end
|
||||
end)
|
||||
end
|
||||
path = string.gsub(reduced, "([^/]*/%.%.)$", function (s)
|
||||
if s ~= "../.." then return "" else return s end
|
||||
end)
|
||||
return path
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Parses a url and returns a table with all its parts according to RFC 2396
|
||||
-- The following grammar describes the names given to the URL parts
|
||||
-- <url> ::= <scheme>://<authority>/<path>;<params>?<query>#<fragment>
|
||||
-- <authority> ::= <userinfo>@<host>:<port>
|
||||
-- <userinfo> ::= <user>[:<password>]
|
||||
-- <path> :: = {<segment>/}<segment>
|
||||
-- Input
|
||||
-- url: uniform resource locator of request
|
||||
-- default: table with default values for each field
|
||||
-- Returns
|
||||
-- table with the following fields, where RFC naming conventions have
|
||||
-- been preserved:
|
||||
-- scheme, authority, userinfo, user, password, host, port,
|
||||
-- path, params, query, fragment
|
||||
-- Obs:
|
||||
-- the leading '/' in {/<path>} is considered part of <path>
|
||||
-----------------------------------------------------------------------------
|
||||
function parse(url, default)
|
||||
-- initialize default parameters
|
||||
local parsed = {}
|
||||
for i,v in base.pairs(default or parsed) do parsed[i] = v end
|
||||
-- empty url is parsed to nil
|
||||
if not url or url == "" then return nil, "invalid url" end
|
||||
-- remove whitespace
|
||||
-- url = string.gsub(url, "%s", "")
|
||||
-- get fragment
|
||||
url = string.gsub(url, "#(.*)$", function(f)
|
||||
parsed.fragment = f
|
||||
return ""
|
||||
end)
|
||||
-- get scheme
|
||||
url = string.gsub(url, "^([%w][%w%+%-%.]*)%:",
|
||||
function(s) parsed.scheme = s; return "" end)
|
||||
-- get authority
|
||||
url = string.gsub(url, "^//([^/]*)", function(n)
|
||||
parsed.authority = n
|
||||
return ""
|
||||
end)
|
||||
-- get query stringing
|
||||
url = string.gsub(url, "%?(.*)", function(q)
|
||||
parsed.query = q
|
||||
return ""
|
||||
end)
|
||||
-- get params
|
||||
url = string.gsub(url, "%;(.*)", function(p)
|
||||
parsed.params = p
|
||||
return ""
|
||||
end)
|
||||
-- path is whatever was left
|
||||
if url ~= "" then parsed.path = url end
|
||||
local authority = parsed.authority
|
||||
if not authority then return parsed end
|
||||
authority = string.gsub(authority,"^([^@]*)@",
|
||||
function(u) parsed.userinfo = u; return "" end)
|
||||
authority = string.gsub(authority, ":([^:]*)$",
|
||||
function(p) parsed.port = p; return "" end)
|
||||
if authority ~= "" then parsed.host = authority end
|
||||
local userinfo = parsed.userinfo
|
||||
if not userinfo then return parsed end
|
||||
userinfo = string.gsub(userinfo, ":([^:]*)$",
|
||||
function(p) parsed.password = p; return "" end)
|
||||
parsed.user = userinfo
|
||||
return parsed
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Rebuilds a parsed URL from its components.
|
||||
-- Components are protected if any reserved or unallowed characters are found
|
||||
-- Input
|
||||
-- parsed: parsed URL, as returned by parse
|
||||
-- Returns
|
||||
-- a stringing with the corresponding URL
|
||||
-----------------------------------------------------------------------------
|
||||
function build(parsed)
|
||||
local ppath = parse_path(parsed.path or "")
|
||||
local url = build_path(ppath)
|
||||
if parsed.params then url = url .. ";" .. parsed.params end
|
||||
if parsed.query then url = url .. "?" .. parsed.query end
|
||||
local authority = parsed.authority
|
||||
if parsed.host then
|
||||
authority = parsed.host
|
||||
if parsed.port then authority = authority .. ":" .. parsed.port end
|
||||
local userinfo = parsed.userinfo
|
||||
if parsed.user then
|
||||
userinfo = parsed.user
|
||||
if parsed.password then
|
||||
userinfo = userinfo .. ":" .. parsed.password
|
||||
end
|
||||
end
|
||||
if userinfo then authority = userinfo .. "@" .. authority end
|
||||
end
|
||||
if authority then url = "//" .. authority .. url end
|
||||
if parsed.scheme then url = parsed.scheme .. ":" .. url end
|
||||
if parsed.fragment then url = url .. "#" .. parsed.fragment end
|
||||
-- url = string.gsub(url, "%s", "")
|
||||
return url
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Builds a absolute URL from a base and a relative URL according to RFC 2396
|
||||
-- Input
|
||||
-- base_url
|
||||
-- relative_url
|
||||
-- Returns
|
||||
-- corresponding absolute url
|
||||
-----------------------------------------------------------------------------
|
||||
function absolute(base_url, relative_url)
|
||||
if base.type(base_url) == "table" then
|
||||
base_parsed = base_url
|
||||
base_url = build(base_parsed)
|
||||
else
|
||||
base_parsed = parse(base_url)
|
||||
end
|
||||
local relative_parsed = parse(relative_url)
|
||||
if not base_parsed then return relative_url
|
||||
elseif not relative_parsed then return base_url
|
||||
elseif relative_parsed.scheme then return relative_url
|
||||
else
|
||||
relative_parsed.scheme = base_parsed.scheme
|
||||
if not relative_parsed.authority then
|
||||
relative_parsed.authority = base_parsed.authority
|
||||
if not relative_parsed.path then
|
||||
relative_parsed.path = base_parsed.path
|
||||
if not relative_parsed.params then
|
||||
relative_parsed.params = base_parsed.params
|
||||
if not relative_parsed.query then
|
||||
relative_parsed.query = base_parsed.query
|
||||
end
|
||||
end
|
||||
else
|
||||
relative_parsed.path = absolute_path(base_parsed.path or "",
|
||||
relative_parsed.path)
|
||||
end
|
||||
end
|
||||
return build(relative_parsed)
|
||||
end
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Breaks a path into its segments, unescaping the segments
|
||||
-- Input
|
||||
-- path
|
||||
-- Returns
|
||||
-- segment: a table with one entry per segment
|
||||
-----------------------------------------------------------------------------
|
||||
function parse_path(path)
|
||||
local parsed = {}
|
||||
path = path or ""
|
||||
--path = string.gsub(path, "%s", "")
|
||||
string.gsub(path, "([^/]+)", function (s) table.insert(parsed, s) end)
|
||||
for i = 1, table.getn(parsed) do
|
||||
parsed[i] = unescape(parsed[i])
|
||||
end
|
||||
if string.sub(path, 1, 1) == "/" then parsed.is_absolute = 1 end
|
||||
if string.sub(path, -1, -1) == "/" then parsed.is_directory = 1 end
|
||||
return parsed
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Builds a path component from its segments, escaping protected characters.
|
||||
-- Input
|
||||
-- parsed: path segments
|
||||
-- unsafe: if true, segments are not protected before path is built
|
||||
-- Returns
|
||||
-- path: corresponding path stringing
|
||||
-----------------------------------------------------------------------------
|
||||
function build_path(parsed, unsafe)
|
||||
local path = ""
|
||||
local n = table.getn(parsed)
|
||||
if unsafe then
|
||||
for i = 1, n-1 do
|
||||
path = path .. parsed[i]
|
||||
path = path .. "/"
|
||||
end
|
||||
if n > 0 then
|
||||
path = path .. parsed[n]
|
||||
if parsed.is_directory then path = path .. "/" end
|
||||
end
|
||||
else
|
||||
for i = 1, n-1 do
|
||||
path = path .. protect_segment(parsed[i])
|
||||
path = path .. "/"
|
||||
end
|
||||
if n > 0 then
|
||||
path = path .. protect_segment(parsed[n])
|
||||
if parsed.is_directory then path = path .. "/" end
|
||||
end
|
||||
end
|
||||
if parsed.is_absolute then path = "/" .. path end
|
||||
return path
|
||||
end
|
||||
Reference in New Issue
Block a user