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