-- file: lua/Halt.lua
local http = require 'http'
local backend = require 'backend'
local char = string.char
local byte = string.byte
local find = string.find
local sub = string.sub
local ADDRESS = backend.ADDRESS
local PROXY = backend.PROXY
local DIRECT_WRITE = backend.SUPPORT.DIRECT_WRITE
local SUCCESS = backend.RESULT.SUCCESS
local HANDSHAKE = backend.RESULT.HANDSHAKE
local DIRECT = backend.RESULT.DIRECT
local ctx_uuid = backend.get_uuid
local ctx_proxy_type = backend.get_proxy_type
local ctx_address_type = backend.get_address_type
local ctx_address_host = backend.get_address_host
local ctx_address_bytes = backend.get_address_bytes
local ctx_address_port = backend.get_address_port
local ctx_write = backend.write
local ctx_free = backend.free
local ctx_debug = backend.debug
local is_http_request = http.is_http_request
local flags = {}
local marks = {}
local kHttpHeaderSent = 1
local kHttpHeaderRecived = 2
function wa_lua_on_flags_cb(ctx)
return 0
end
function wa_lua_on_handshake_cb(ctx)
local uuid = ctx_uuid(ctx)
if flags[uuid] == kHttpHeaderRecived then
return true
end
local res = nil
if flags[uuid] ~= kHttpHeaderSent then
local host = ctx_address_host(ctx)
local port = ctx_address_port(ctx)
res = 'CONNECT ' .. host .. ':' .. port ..'@a.189.cn:80 HTTP/1.1\r\n' ..
'Host: a.189.cn:80\r\n' ..
'Proxy-Connection: Keep-Alive\r\n'..
'X-T5-Auth: YTY0Nzlk\r\n\r\n'
ctx_write(ctx, res)
flags[uuid] = kHttpHeaderSent
end
return false
end
function wa_lua_on_read_cb(ctx, buf)
local uuid = ctx_uuid(ctx)
if flags[uuid] == kHttpHeaderSent then
flags[uuid] = kHttpHeaderRecived
return HANDSHAKE, nil
end
return DIRECT, buf
end
function wa_lua_on_write_cb(ctx, buf)
local host = ctx_address_host(ctx)
local port = ctx_address_port(ctx)
if ( is_http_request(buf) == 1 ) then
local index = find(buf, '/')
local method = sub(buf, 0, index - 1)
local rest = sub(buf, index)
local s, e = find(rest, '\r\n')
local less = sub(rest, e + 1)
local s1, e1 = find(less, '\r\n')
buf = method .. sub(rest, 0, e) ..
--'X-Online-Host:\t\t ' .. host ..'\r\n' ..
'\tHost: a.189.cn:80\r\n'..
'X-T5-Auth: YTY0Nzlk\r\n' ..
sub(rest, e + 1)
end
return DIRECT, buf
end
function wa_lua_on_close_cb(ctx)
local uuid = ctx_uuid(ctx)
flags[uuid] = nil
ctx_free(ctx)
return SUCCESS
end