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-rw-r--r--Build/source/texk/web2c/luatexdir/luasocket/src/_ftp.lua329
1 files changed, 329 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luasocket/src/_ftp.lua b/Build/source/texk/web2c/luatexdir/luasocket/src/_ftp.lua
new file mode 100644
index 00000000000..7340a7b605f
--- /dev/null
+++ b/Build/source/texk/web2c/luatexdir/luasocket/src/_ftp.lua
@@ -0,0 +1,329 @@
+-----------------------------------------------------------------------------
+-- FTP support for the Lua language
+-- LuaSocket toolkit.
+-- Author: Diego Nehab
+-----------------------------------------------------------------------------
+
+-----------------------------------------------------------------------------
+-- Declare module and import dependencies
+-----------------------------------------------------------------------------
+local base = _G
+local table = require("table")
+local string = require("string")
+local math = require("math")
+local socket = socket or require("socket")
+local url = socket.url or require("socket.url")
+local tp = socket.tp or require("socket.tp")
+local ltn12 = ltn12 or require("ltn12")
+socket.ftp = {}
+local _M = socket.ftp
+-----------------------------------------------------------------------------
+-- Program constants
+-----------------------------------------------------------------------------
+-- timeout in seconds before the program gives up on a connection
+_M.TIMEOUT = 60
+-- default port for ftp service
+local PORT = 21
+-- this is the default anonymous password. used when no password is
+-- provided in url. should be changed to your e-mail.
+_M.USER = "ftp"
+_M.PASSWORD = "anonymous@anonymous.org"
+
+-----------------------------------------------------------------------------
+-- Low level FTP API
+-----------------------------------------------------------------------------
+local metat = { __index = {} }
+
+function _M.open(server, port, create)
+ local tp = socket.try(tp.connect(server, port or PORT, _M.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(_M.TIMEOUT))
+ self.data = self.try(self.server:accept())
+ self.try(self.data:settimeout(_M.TIMEOUT))
+end
+
+function metat.__index:pasvconnect()
+ self.data = self.try(socket.tcp())
+ self.try(self.data:settimeout(_M.TIMEOUT))
+ self.try(self.data:connect(self.pasvt.address, self.pasvt.port))
+end
+
+function metat.__index:login(user, password)
+ self.try(self.tp:command("user", user or _M.USER))
+ local code, reply = self.try(self.tp:check{"2..", 331})
+ if code == 331 then
+ self.try(self.tp:command("pass", password or _M.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 = {
+ address = 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.address, self.pasvt.port
+end
+
+function metat.__index:epsv()
+ self.try(self.tp:command("epsv"))
+ local code, reply = self.try(self.tp:check("229"))
+ local pattern = "%((.)(.-)%1(.-)%1(.-)%1%)"
+ local d, prt, address, port = string.match(reply, pattern)
+ self.try(port, "invalid epsv response")
+ self.pasvt = {
+ address = self.tp:getpeername(),
+ port = port
+ }
+ if self.server then
+ self.server:close()
+ self.server = nil
+ end
+ return self.pasvt.address, self.pasvt.port
+end
+
+
+function metat.__index:port(address, port)
+ self.pasvt = nil
+ if not address then
+ address, port = self.try(self.tp:getsockname())
+ self.server = self.try(socket.bind(address, 0))
+ address, port = self.try(self.server:getsockname())
+ self.try(self.server:settimeout(_M.TIMEOUT))
+ end
+ local pl = math.mod(port, 256)
+ local ph = (port - pl)/256
+ local arg = string.gsub(string.format("%s,%d,%d", address, ph, pl), "%.", ",")
+ self.try(self.tp:command("port", arg))
+ self.try(self.tp:check("2.."))
+ return 1
+end
+
+function metat.__index:eprt(family, address, port)
+ self.pasvt = nil
+ if not address then
+ address, port = self.try(self.tp:getsockname())
+ self.server = self.try(socket.bind(address, 0))
+ address, port = self.try(self.server:getsockname())
+ self.try(self.server:settimeout(_M.TIMEOUT))
+ end
+ local arg = string.format("|%s|%s|%d|", family, address, port)
+ self.try(self.tp:command("eprt", 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 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 }
+ 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,reply = self.try(self.tp:check{"1..", "2.."})
+ if (code >= 200) and (code <= 299) then
+ recvt.sink(reply)
+ return 1
+ end
+ 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 = _M.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:epsv()
+ local sent = f:send(putt)
+ f:quit()
+ f:close()
+ return sent
+end
+
+local default = {
+ path = "/",
+ scheme = "ftp"
+}
+
+local function genericform(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
+
+_M.genericform = genericform
+
+local function sput(u, body)
+ local putt = genericform(u)
+ putt.source = ltn12.source.string(body)
+ return tput(putt)
+end
+
+_M.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 = _M.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:epsv()
+ f:receive(gett)
+ f:quit()
+ return f:close()
+end
+
+local function sget(u)
+ local gett = genericform(u)
+ local t = {}
+ gett.sink = ltn12.sink.table(t)
+ tget(gett)
+ return table.concat(t)
+end
+
+_M.command = socket.protect(function(cmdt)
+ cmdt = override(cmdt)
+ socket.try(cmdt.host, "missing hostname")
+ socket.try(cmdt.command, "missing command")
+ local f = _M.open(cmdt.host, cmdt.port, cmdt.create)
+ f:greet()
+ f:login(cmdt.user, cmdt.password)
+ if type(cmdt.command) == "table" then
+ local argument = cmdt.argument or {}
+ local check = cmdt.check or {}
+ for i,cmd in ipairs(cmdt.command) do
+ f.try(f.tp:command(cmd, argument[i]))
+ if check[i] then f.try(f.tp:check(check[i])) end
+ end
+ else
+ f.try(f.tp:command(cmdt.command, cmdt.argument))
+ if cmdt.check then f.try(f.tp:check(cmdt.check)) end
+ end
+ f:quit()
+ return f:close()
+end)
+
+_M.get = socket.protect(function(gett)
+ if base.type(gett) == "string" then return sget(gett)
+ else return tget(gett) end
+end)
+
+return _M