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Mikubot-2/otouto/plugins/gImages.lua

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-- You need a Google API key and a Google Custom Search Engine set up to use this, in config.google_api_key and config.google_cse_key, respectively.
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-- You must also sign up for the CSE in the Google Developer Console, and enable image results.
local gImages = {}
local HTTPS = require('ssl.https')
local URL = require('socket.url')
local JSON = require('dkjson')
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local utilities = require('otouto.utilities')
local bindings = require('otouto.bindings')
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function gImages:init(config)
if not cred_data.google_apikey then
print('Missing config value: google_apikey.')
print('gImages.lua will not be enabled.')
return
elseif not cred_data.google_cse_id then
print('Missing config value: google_cse_id.')
print('gImages.lua will not be enabled.')
return
end
gImages.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('img', true):t('i', true).table
gImages.doc = [[*
]]..config.cmd_pat..[[img* _<Suchbegriff>_
Sucht Bild mit Google und versendet es (SafeSearch aktiv)
Alias: *]]..config.cmd_pat..[[i*]]
end
gImages.command = 'img <Suchbegriff>'
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function gImages:callback(callback, msg, self, config, input)
utilities.answer_callback_query(self, callback, 'Suche nochmal nach "'..input..'"')
utilities.send_typing(self, msg.chat.id, 'upload_photo')
local img_url, mimetype = gImages:get_image(input)
if mimetype == 'image/gif' then
local file = download_to_file(img_url, 'img.gif')
result = utilities.send_document(self, msg.chat.id, file, img_url, msg.message_id, '{"inline_keyboard":[[{"text":"Nochmal suchen","callback_data":"gImages:'..input..'"}]]}')
else
local file = download_to_file(img_url, 'img.png')
result = utilities.send_photo(self, msg.chat.id, file, img_url, msg.message_id, '{"inline_keyboard":[[{"text":"Nochmal suchen","callback_data":"gImages:'..input..'"}]]}')
end
if not result then
utilities.send_reply(self, msg, config.errors.connection, true, '{"inline_keyboard":[[{"text":"Nochmal versuchen","callback_data":"gImages:'..input..'"}]]}')
return
end
end
function gImages:get_image(input)
local apikey = cred_data.google_apikey
local cseid = cred_data.google_cse_id
local BASE_URL = 'https://www.googleapis.com/customsearch/v1'
local url = BASE_URL..'/?searchType=image&alt=json&num=10&key='..apikey..'&cx='..cseid..'&safe=high'..'&q=' .. input .. '&fields=searchInformation(totalResults),queries(request(count)),items(link,mime,image(contextLink))'
local jstr, res = HTTPS.request(url)
if res == 403 then
local jdat = JSON.decode(jstr)
utilities.send_reply(self, msg, 'Fehler '..jdat.error.code..': '..jdat.error.message..' ('..jdat.error.errors[1].reason..')', nil, msg.message_id)
return
end
if res ~= 200 then
utilities.send_reply(self, msg, config.errors.connection, true)
return
end
local jdat = JSON.decode(jstr)
if jdat.searchInformation.totalResults == '0' then
utilities.send_reply(self, msg, config.errors.results, true)
return
end
local i = math.random(jdat.queries.request[1].count)
return jdat.items[i].link, jdat.items[i].mime
end
function gImages:action(msg, config, matches)
local input = utilities.input(msg.text)
if not input then
if msg.reply_to_message and msg.reply_to_message.text then
input = msg.reply_to_message.text
else
utilities.send_message(self, msg.chat.id, gImages.doc, true, msg.message_id, true)
return
end
end
print ('Checking if search contains blacklisted word: '..input)
if is_blacklisted(input) then
utilities.send_reply(self, msg, 'Vergiss es! ._.')
return
end
utilities.send_typing(self, msg.chat.id, 'upload_photo')
local img_url, mimetype = gImages:get_image(URL.escape(input))
if mimetype == 'image/gif' then
local file = download_to_file(img_url, 'img.gif')
result = utilities.send_document(self, msg.chat.id, file, img_url, msg.message_id, '{"inline_keyboard":[[{"text":"Nochmal suchen","callback_data":"gImages:'..URL.escape(input)..'"}]]}')
else
local file = download_to_file(img_url, 'img.png')
result = utilities.send_photo(self, msg.chat.id, file, img_url, msg.message_id, '{"inline_keyboard":[[{"text":"Nochmal suchen","callback_data":"gImages:'..URL.escape(input)..'"}]]}')
end
if not result then
utilities.send_reply(self, msg, config.errors.connection, true, '{"inline_keyboard":[[{"text":"Nochmal versuchen","callback_data":"gImages:'..URL.escape(input)..'"}]]}')
return
end
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end
return gImages