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Mikubot/plugins/expand.lua
2016-06-22 13:59:06 +02:00

26 lines
696 B
Lua

local function run(msg, patterns)
local response_body = {}
local request_constructor = {
url = patterns[1],
method = "HEAD",
sink = ltn12.sink.table(response_body),
headers = {},
redirect = false
}
local ok, response_code, response_headers, response_status_line = http.request(request_constructor)
if ok and response_headers.location then
return response_headers.location
else
return "Fehler beim Erweitern der URL."
end
end
return {
description = "Erweitert eine verkürzte URL",
usage = "#expand [URL]: Erweitert einen verkürzten Link",
patterns = {
"^#expand (https?://[%w-_%.%?%.:/%+=&]+)$"
},
run = run
}