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Mikubot/plugins/create_sticker.lua

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-- This is a proprietary plugin, property of Andreas Bielawski, (c) 2015 <andi (dot) b (at) outlook (dot) de>
-- DO NOT USE WITHOUT PERMISSION
do
local apikey = cred_data.cloudinary_apikey
local api_secret = cred_data.cloudinary_api_secret
local public_id = cred_data.cloudinary_public_id
local BASE_URL = 'https://api.cloudinary.com/v1_1/'..public_id..'/image'
local function upload_image(file_url)
local timestamp = os.time()
local signature = sha1('timestamp='..timestamp..api_secret)
local upload_url = BASE_URL..'/upload?api_key='..apikey..'&file='..file_url..'&timestamp='..timestamp..'&signature='..signature
local res,code = https.request(upload_url)
if code ~= 200 then return "HTTP-FEHLER" end
local data = json:decode(res)
return data.public_id
end
local function destroy_image(image_id)
local timestamp = os.time()
local signature = sha1('public_id='..image_id..'&timestamp='..timestamp..api_secret)
local destroy_url = BASE_URL..'/destroy?api_key='..apikey..'&public_id='..image_id..'&timestamp='..timestamp..'&signature='..signature
local res,code = https.request(destroy_url)
if code ~= 200 then print("L<EFBFBD>schen fehlgeschlagen") end
local data = json:decode(res)
if data.result == "ok" then
print("Datei von Cloudinary-Server gel<65>scht")
else
print("L<EFBFBD>schen fehlgeschlagen")
end
end
local function run(msg, matches)
if not sha1 then
print('sha1 Library wird zum ersten Mal geladen...')
sha1 = (loadfile "./libs/sha1.lua")()
end
local file_url = matches[1]
local image_id = upload_image(file_url)
local file_url = 'https://res.cloudinary.com/'..public_id..'/image/upload/w_512/'..image_id..'.webp'
local receiver = get_receiver(msg)
send_document_from_url(receiver, file_url, cb_extra)
destroy_image(image_id)
end
return {
description = "Erstellt einen Sticker on-the-fly.",
usage = "#sticker [Bilder-URL]: Erstelt einen Sticker aus einem Bild",
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patterns = {
"^#sticker (https?://[%w-_%.%?%.:/%+=&]+)"
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},
run = run
}
end