113 lines
2.6 KiB
Lua
113 lines
2.6 KiB
Lua
--[[
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LuCId HTTP-Slave
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(c) 2009 Steven Barth <steven@midlink.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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$Id$
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]]--
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local dsp = require "luci.dispatcher"
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local util = require "luci.util"
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local http = require "luci.http"
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local ltn12 = require "luci.ltn12"
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local srv = require "luci.lucid.http.server"
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local coroutine = require "coroutine"
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local type = type
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--- LuCI web handler
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-- @cstyle instance
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module "luci.lucid.http.handler.luci"
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--- Create a LuCI web handler.
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-- @class function
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-- @param name Name
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-- @param prefix Dispatching prefix
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-- @return LuCI web handler object
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Luci = util.class(srv.Handler)
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function Luci.__init__(self, name, prefix)
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srv.Handler.__init__(self, name)
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self.prefix = prefix
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dsp.indexcache = "/tmp/luci-indexcache"
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end
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--- Handle a HEAD request.
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-- @param request Request object
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-- @return status code, header table, response source
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function Luci.handle_HEAD(self, ...)
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local stat, head = self:handle_GET(...)
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return stat, head
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end
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--- Handle a POST request.
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-- @param request Request object
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-- @return status code, header table, response source
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function Luci.handle_POST(self, ...)
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return self:handle_GET(...)
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end
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--- Handle a GET request.
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-- @param request Request object
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-- @return status code, header table, response source
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function Luci.handle_GET(self, request, sourcein)
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local r = http.Request(
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request.env,
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sourcein
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)
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local res, id, data1, data2 = true, 0, nil, nil
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local headers = {}
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local status = 200
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local active = true
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local x = coroutine.create(dsp.httpdispatch)
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while not id or id < 3 do
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res, id, data1, data2 = coroutine.resume(x, r, self.prefix)
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if not res then
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status = 500
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headers["Content-Type"] = "text/plain"
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return status, headers, ltn12.source.string(id)
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end
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if id == 1 then
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status = data1
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elseif id == 2 then
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if not headers[data1] then
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headers[data1] = data2
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elseif type(headers[data1]) ~= "table" then
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headers[data1] = {headers[data1], data2}
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else
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headers[data1][#headers[data1]+1] = data2
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end
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end
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end
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if id == 6 then
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while (coroutine.resume(x)) do end
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return status, headers, srv.IOResource(data1, data2)
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end
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local function iter()
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local res, id, data = coroutine.resume(x)
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if not res then
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return nil, id
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elseif not id or not active then
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return true
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elseif id == 5 then
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active = false
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while (coroutine.resume(x)) do end
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return nil
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elseif id == 4 then
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return data
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end
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end
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return status, headers, iter
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end
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