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Add a message when POST form submission fails

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This commit is contained in:
emanuele-f 2019-09-23 15:59:50 +02:00
parent b3f50c6b21
commit beddb433b7
5 changed files with 41 additions and 17 deletions
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39
scripts/lua/modules/lua_utils.lua
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@ -169,24 +169,37 @@ function __LINE__() return debug.getinfo(2, 'l').currentline end
function sendHTTPHeaderIfName(mime, ifname, maxage, content_disposition, extra_headers)
info = ntop.getInfo(false)
local cookie_attr = ntop.getCookieAttributes()
local lines = {
'Cache-Control: max-age=0, no-cache, no-store',
'Server: ntopng '..info["version"]..' ['.. info["platform"]..']',
'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"),
}
if(_SESSION ~= nil) then
lines[#lines + 1] = 'Set-Cookie: session='.._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(content_disposition ~= nil) then
lines[#lines + 1] = 'Content-Disposition: '..content_disposition
end
print('HTTP/1.1 200 OK\r\n')
print('Cache-Control: max-age=0, no-cache, no-store\r\n')
print('Server: ntopng '..info["version"]..' ['.. info["platform"]..']\r\n')
print('Pragma: no-cache\r\n')
print('X-Frame-Options: DENY\r\n')
print('X-Content-Type-Options: nosniff\r\n')
if(_SESSION ~= nil) then print('Set-Cookie: session='.._SESSION["session"]..'; max-age=' .. maxage .. '; path=/; ' .. cookie_attr .. '\r\n') end
if(ifname ~= nil) then print('Set-Cookie: ifname=' .. ifname .. '; path=/' .. cookie_attr .. '\r\n') end
print('Content-Type: '.. mime ..'\r\n')
if(content_disposition ~= nil) then print('Content-Disposition: '..content_disposition..'\r\n') end
if type(extra_headers) == "table" then
for hname, hval in pairs(extra_headers) do
print(hname..': '..hval..'\r\n')
lines[#lines + 1] = hname..': '..hval
end
end
print('Last-Modified: '..os.date("!%a, %m %B %Y %X %Z").."\r\n")
print('\r\n')
-- 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/1.1 200 OK\r\n" .. table.concat(lines, "\r\n") .. "\r\n\r\n")
end
-- ##############################################