Neues Google Image Plugin
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802d37f76e
commit
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@ -1,166 +1,124 @@
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do
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local mime = require("mime")
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local _blacklist
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local google_config = load_from_file('data/google.lua')
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local cache = {}
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--[[
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local function send_request(url)
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local t = {}
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local options = {
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url = url,
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sink = ltn12.sink.table(t),
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method = "GET"
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}
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local a, code, headers, status = http.request(options)
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return table.concat(t), code, headers, status
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end]]--
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local function get_google_data(text)
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--[[
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local url = "http://ajax.googleapis.com/ajax/services/search/images?"
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url = url.."v=1.0&rsz=5"
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url = url.."&q="..URL.escape(text)
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url = url.."&imgsz=small|medium|large"
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--]]
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if not google_config.cx then
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print "cx not present in config file"
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return nil
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end
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local url = "https://www.googleapis.com/customsearch/v1?"
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url = url.."cx="..google_config.cx
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url = url.."&searchType=image&safe=high"
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url = url.."&q="..URL.escape(text)
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if google_config.api_keys then
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local i = math.random(#google_config.api_keys)
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local api_key = google_config.api_keys[i]
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if api_key then
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url = url.."&key="..api_key
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end
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end
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local res, code = https.request(url)
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if code ~= 200 then
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print("HTTP Error code:", code)
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return nil
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end
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local function getGoogleImage(text)
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local text = URL.escape(text)
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local api = "https://ajax.googleapis.com/ajax/services/search/images?v=1.0&rsz=8&safe=active&q="
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local res, code = http.request(api..text)
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if code ~= 200 then return nil end
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local google = json:decode(res)
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if google.responseStatus ~= 200 then
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return nil
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end
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local data = google.responseData
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if not data or not data.results then
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return nil
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end
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if #data.results == 0 then
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return nil
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end
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return data.results
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return google
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end
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local function is_blacklisted(msg)
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local var = false
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for v,word in pairs(_blacklist) do
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if string.find(string.lower(msg), string.lower(word)) then
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print("Wort steht auf der Blacklist!")
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var = true
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break
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-- Returns only the useful google data to save on cache
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local function simple_google_table(google)
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local new_table = {}
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new_table.responseData = {}
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new_table.responseDetails = google.responseDetails
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new_table.responseStatus = google.responseStatus
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new_table.responseData.results = {}
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local results = google.responseData.results
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for k,result in pairs(results) do
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new_table.responseData.results[k] = {}
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new_table.responseData.results[k].unescapedUrl = result.unescapedUrl
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new_table.responseData.results[k].url = result.url
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end
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return new_table
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end
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local function save_to_cache(query, data)
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-- Saves result on cache
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if string.len(query) <= 7 then
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local text_b64 = mime.b64(query)
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if not cache[text_b64] then
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-- local simple_google = simple_google_table(data)
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cache[text_b64] = data
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end
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end
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return var
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end
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local function show_blacklist()
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if not _blacklist[1] then
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return "Keine Wörter geblacklisted!\nBlackliste welche mit /imgblacklist add [Wort]"
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else
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local sort_alph = function( a,b ) return a < b end
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table.sort( _blacklist, sort_alph )
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local blacklist = "Folgende Wörter stehen auf der Blacklist:\n"
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for v,word in pairs(_blacklist) do
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blacklist = blacklist..'- '..word..'\n'
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end
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return blacklist
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local function process_google_data(google, receiver, query)
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if not google or not google.items or #google.items == 0 then
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local text = 'Image not found.'
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send_msg(receiver, text, ok_cb, false)
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return false
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end
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local i = math.random(#google.items)
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local url = google.items[i].link
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local old_timeout = https.TIMEOUT or 10
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http.TIMEOUT = 10
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send_photo_from_url(receiver, url)
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http.TIMEOUT = old_timeout
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save_to_cache(query, google)
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end
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local function add_blacklist()
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print('Blacklisting '..word..' - saving to redis set telegram:img_blacklist')
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if redis:sismember("telegram:img_blacklist", word) == true then
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return '"'..word..'" steht schon auf der Blacklist.'
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else
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redis:sadd("telegram:img_blacklist", word)
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return '"'..word..'" blacklisted!'
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end
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end
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local function remove_blacklist()
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print('De-blacklisting '..word..' - removing from redis set telegram:img_blacklist')
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if redis:sismember("telegram:img_blacklist", word) == true then
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redis:srem("telegram:img_blacklist", word)
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return '"'..word..'" erfolgreich von der Blacklist gelöscht!'
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else
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return '"'..word..'" steht nicht auf der Blacklist.'
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end
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end
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local function run(msg, matches)
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function run(msg, matches)
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local receiver = get_receiver(msg)
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local text = matches[1]
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if matches[2] then word = string.lower(matches[2]) end
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_blacklist = redis:smembers("telegram:img_blacklist")
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if text == "/imgblacklist show" then
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if is_sudo(msg) then
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return show_blacklist()
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else
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return "Du bist kein Superuser. Dieser Vorfall wird gemeldet!"
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end
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end
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if text == "/imgblacklist add" and word == nil then
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return "Benutzung: /imgblacklist add [Wort]"
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elseif text == "/imgblacklist add" and word then
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if is_sudo(msg) then
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return add_blacklist()
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else
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return "Du bist kein Superuser. Dieser Vorfall wird gemeldet!"
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end
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end
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if text == "/imgblacklist del" and word == nil then
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return "Benutzung: /imgblacklist del [Wort]"
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elseif text == "/imgblacklist del" and word then
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if is_sudo(msg) then
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return remove_blacklist()
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else
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return "Du bist kein Superuser. Dieser Vorfall wird gemeldet!"
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end
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end
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print ('Checking if search contains blacklisted words: '..text)
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if is_blacklisted(text) then
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return "Vergiss es ._."
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end
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local results = getGoogleImage(text)
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if not results then
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return "Kein Bild gefunden!"
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end
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-- Random image from table
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local i = math.random(#results)
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local url = nil;
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local failed = true
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local nofTries = 0
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while failed and nofTries < #results do
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url = results[i].url;
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print("Bilder-URL: ", url)
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if string.ends(url, ".gif") then
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failed = not send_document_from_url(receiver, url, nil, nil, true)
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elseif string.ends(url, ".jpg") or string.ends(url, ".jpeg") or string.ends(url, ".png") then
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failed = not send_photo_from_url(receiver, url, nil, nil, true)
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end
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nofTries = nofTries + 1
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i = i+1
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if i > #results then
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i = 1
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end
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end
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if failed then
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return "Fehler beim Herunterladen eines Bildes."
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local text_b64 = mime.b64(text)
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local cached = cache[text_b64]
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if cached then
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process_google_data(cached, receiver, text)
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else
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return "Source: "..url
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local data = get_google_data(text)
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process_google_data(data, receiver, text)
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end
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end
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return {
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description = "Sucht Bild mit Google-API und versendet es (SafeSearch aktiv)",
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usage = {
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"/img [Suchbegriff]",
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"/imgblacklist show: Zeigt Blacklist (nur Superuser)",
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"/imgblacklist add [Wort]: Fügt Wort der Blacklist hinzu (nur Superuser)",
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"/imgblacklist del [Wort]: Entfernt Wort aus der Blacklist (nur Superuser)"
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},
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description = "",
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usage = "",
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patterns = {
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"^/img (.*)$",
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"^(/imgblacklist show)$",
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"^(/imgblacklist add) (.*)$",
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"^(/imgblacklist del) (.*)$"
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"^/img (.*)$"
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},
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run = run
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}
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end
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