FileId:
$Id$
-ToDo:
-- Cookie handling
-
License:
Copyright 2008 Steven Barth <steven@midlink.org>
]]--
module("luci.http", package.seeall)
+local ltn12 = require("luci.ltn12")
require("luci.http.protocol")
require("luci.util")
Request = luci.util.class()
-function Request.__init__(self, env, instream, errstream)
- self.input = instream
- self.error = errstream
+function Request.__init__(self, env, sourcein, sinkerr)
+ self.input = sourcein
+ self.error = sinkerr
+
- -- Formdata tables
- self.get = {}
- self.post = {}
-
-- File handler
self.filehandler = function() end
- -- Environment table
- self.env = env
+ -- HTTP-Message table
+ self.message = {
+ env = env,
+ headers = {},
+ params = luci.http.protocol.urldecode_params(env.QUERY_STRING or ""),
+ }
- setmetatable(self.get, {__index =
- function(tbl, key)
- tbl = luci.http.protocol.urldecode_params(self.env.QUERY_STRING)
- setmetatable(tbl, nil)
- return rawget(tbl, key)
- end })
-
- setmetatable(self.post, {__index =
- function(tbl, key)
- tbl = luci.http.protocol.
- setmetatable(tbl, nil)
- return rawget(tbl, key)
- end })
+ self.parsed_input = false
end
-function Request.formvalue(self, name, default)
- return tostring(self.post[name] or self.get[name] or default)
+function Request.formvalue(self, name, noparse)
+ if not noparse and not self.parsed_input then
+ self:_parse_input()
+ end
+
+ if name then
+ return self.message.params[name]
+ else
+ return self.message.params
+ end
end
function Request.formvaluetable(self, prefix)
local vals = {}
prefix = prefix and prefix .. "." or "."
- for k, v in pairs(self.getvalue()) do
- if k:find(prefix, 1, true) == 1 then
- vals[k:sub(#prefix + 1)] = tostring(v)
- end
+ if not self.parsed_input then
+ self:_parse_input()
end
- for k, v in pairs(self.postvalue()) do
+ local void = self.message.params[nil]
+ for k, v in pairs(self.message.params) do
if k:find(prefix, 1, true) == 1 then
vals[k:sub(#prefix + 1)] = tostring(v)
end
return vals
end
-function Request.getenv(self, name)
- return name and self.env[name] or self.env
-end
-
-function Request.getvalue(self, name)
- local void = self.get[nil]
- return name and self.get[name] or self.get
+function Request.getcookie(self, name)
+ local c = string.gsub(";" .. (self:getenv("HTTP_COOKIE") or "") .. ";", "%s*;%s*", ";")
+ local p = ";" .. name .. "=(.-);"
+ local i, j, value = c:find(p)
+ return value and urldecode(value)
end
-function Request.postvalue(self, name)
- local void = self.post[nil]
- return name and self.post[name] or self.post
+function Request.getenv(self, name)
+ if name then
+ return self.message.env[name]
+ else
+ return self.message.env
+ end
end
function Request.setfilehandler(self, callback)
self.filehandler = callback
end
+function Request._parse_input(self)
+ luci.http.protocol.parse_message_body(
+ self.input,
+ self.message,
+ self.filehandler
+ )
+ self.parsed_input = true
+end
+
function close()
if not context.eoh then
return context.request:formvaluetable(...)
end
+function getcookie(...)
+ return context.request:getcookie(...)
+end
+
function getvalue(...)
return context.request:getvalue(...)
end
end
function header(key, value)
- if not context.status then
- status()
- end
if not context.headers then
context.headers = {}
end
coroutine.yield(1, code, message)
end
-function write(content)
- if not content or #content == 0 then
- return
- end
- if not context.eoh then
- if not context.status then
- status()
+function write(content, src_err)
+ if not content then
+ if src_err then
+ error(src_err)
+ else
+ close()
end
- if not context.headers or not context.headers["content-type"] then
- header("Content-Type", "text/html; charset=utf-8")
+ return true
+ elseif #content == 0 then
+ return true
+ else
+ if not context.eoh then
+ if not context.status then
+ status()
+ end
+ if not context.headers or not context.headers["content-type"] then
+ header("Content-Type", "text/html; charset=utf-8")
+ end
+
+ context.eoh = true
+ coroutine.yield(3)
end
-
- context.eoh = true
- coroutine.yield(3)
+ coroutine.yield(4, content)
+ return true
end
- coroutine.yield(4, content)
-end
-
-
-function basic_auth(realm, errorpage)
- header("Status", "401 Unauthorized")
- header("WWW-Authenticate", string.format('Basic realm="%s"', realm or ""))
-
- if errorpage then
- errorpage()
- end
-
- close()
end
function redirect(url)
- header("Status", "302 Found")
+ status(302, "Found")
header("Location", url)
close()
end
urldecode = luci.http.protocol.urldecode
urlencode = luci.http.protocol.urlencode
---[[
-function urldecode(str)
- str = str:gsub("+", " ")
- str = str:gsub("%%(%x%x)",
- function(h) return string.char(tonumber(h,16)) end)
- str = str:gsub("\r\n", "\n")
- return str
-end
-
-function urlencode(str)
- str = str:gsub("\n", "\r\n")
- str = str:gsub("([^%w ])",
- function (c) return string.format ("%%%02X", string.byte(c)) end)
- str = str:gsub(" ", "+")
- return str
-end
-]]--
\ No newline at end of file