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Fixes circular dependency between lua_utils and rest_utils

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Matteo Biscosi 2024-02-20 10:02:31 +00:00
parent 5842b14247
commit 48462f4d96
5 changed files with 618 additions and 355 deletions
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110
scripts/lua/modules/lua_utils_gui.lua
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@ -23,111 +23,13 @@ require "gui_utils"
local format_utils = require "format_utils"
local dns_utils = require "dns_utils"
local http_utils = require "http_utils"
local rest_utils = require "rest_utils"
-- ##############################################
function sendHTTPHeaderIfName(mime, ifname, maxage, content_disposition, extra_headers, status_code)
local info = ntop.getInfo(false)
local http_status_code_map = {
[200] = "OK",
[400] = "Bad Request",
[401] = "Unauthorized",
[403] = "Forbidden",
[404] = "Not Found",
[405] = "Method Not Allowed",
[406] = "Not Acceptable",
[408] = "Request timeout",
[409] = "Conflict",
[410] = "Gone",
[412] = "Precondition Failed",
[415] = "Unsupported Media Type",
[423] = "Locked",
[428] = "Precondition Required",
[429] = "Too many requests",
[500] = "Internal Server Error",
[501] = "Not Implemented",
[503] = "Service Unavailable"
}
local tzname = info.tzname or ''
local cookie_attr = ntop.getCookieAttributes()
local lines = {'Cache-Control: max-age=0, no-cache, no-store',
'Server: ntopng ' .. info["version"] .. ' [' .. info["platform"] .. ']',
'Set-Cookie: tzname=' .. tzname .. '; path=/' .. cookie_attr, 'Pragma: no-cache',
'X-Frame-Options: DENY', 'X-Content-Type-Options: nosniff', 'Content-Type: ' .. mime,
'Last-Modified: ' .. os.date("!%a, %m %B %Y %X %Z")}
local uri = _SERVER.URI
if (starts(uri, "/lua/rest/")) then
--
-- Only for REST calls handle CORS (Cross-Origin Resource Sharing)
--
-- https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
-- https://web.dev/cross-origin-resource-sharing/
--
lines[#lines + 1] = 'Access-Control-Allow-Origin: *'
lines[#lines + 1] = 'Access-Control-Allow-Methods: GET, POST, HEAD'
end
if (_SESSION ~= nil) then
local key = "session_" .. info.http_port .. "_" .. info.https_port
lines[#lines + 1] = 'Set-Cookie: ' .. key .. '=' .. _SESSION["session"] .. '; max-age=' .. maxage ..
'; path=/; ' .. cookie_attr
end
if (ifname ~= nil) then
lines[#lines + 1] = 'Set-Cookie: ifname=' .. ifname .. '; path=/' .. cookie_attr
end
if (info.timezone ~= nil) then
lines[#lines + 1] = 'Set-Cookie: timezone=' .. info.timezone .. '; path=/' .. cookie_attr
end
if (content_disposition ~= nil) then
lines[#lines + 1] = 'Content-Disposition: ' .. content_disposition
end
if type(extra_headers) == "table" then
for hname, hval in pairs(extra_headers) do
lines[#lines + 1] = hname .. ': ' .. hval
end
end
if not status_code then
status_code = 200
end
local status_descr = http_status_code_map[status_code]
if not status_descr then
status_descr = "Unknown"
end
-- Buffer the HTTP reply and write it in one "print" to avoid fragmenting
-- it into multiple packets, to ease HTTP debugging with wireshark.
print("HTTP/1.1 " .. status_code .. " " .. status_descr .. "\r\n" .. table.concat(lines, "\r\n") .. "\r\n\r\n")
end
-- ##############################################
function sendHTTPHeaderLogout(mime, content_disposition)
sendHTTPHeaderIfName(mime, nil, 0, content_disposition)
end
-- ##############################################
function sendHTTPHeader(mime, content_disposition, extra_headers, status_code)
sendHTTPHeaderIfName(mime, nil, 3600, content_disposition, extra_headers, status_code)
end
-- ##############################################
function sendHTTPContentTypeHeader(content_type, content_disposition, charset, extra_headers, status_code)
local charset = charset or "utf-8"
local mime = content_type .. "; charset=" .. charset
sendHTTPHeader(mime, content_disposition, extra_headers, status_code)
end
-- For backward compatibility override these functions
sendHTTPContentTypeHeader = rest_utils.sendHTTPContentTypeHeader
sendHTTPHeaderIfName = rest_utils.sendHTTPHeaderIfName
sendHTTPHeaderLogout = rest_utils.sendHTTPHeaderLogout
sendHTTPHeader = rest_utils.sendHTTPHeader
-- ##############################################