105 lines
2.3 KiB
Lua
105 lines
2.3 KiB
Lua
--[[
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* qr plugin uses:
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* - http://goqr.me/api/doc/create-qr-code/
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* psykomantis
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]]
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function url_encode(str)
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if (str) then
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str = string.gsub (str, "\n", "\r\n")
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str = string.gsub (str, "([^%w %-%_%.%~])",
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function (c) return string.format ("%%%02X", string.byte(c)) end)
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str = string.gsub (str, " ", "+")
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end
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return str
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end
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function get_hex(str)
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if(string.match(str,"(red)") == "red") then
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return "f00"
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elseif(string.match(str,"(blue)") == "blue") then
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return "00f"
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elseif(string.match(str,"(green)") == "green") then
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return "0f0"
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elseif(string.match(str,"(yellow)") == "yellow") then
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return "ff0"
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elseif(string.match(str,"(purple)") == "purple") then
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return "f0f"
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elseif(string.match(str,"(white)") == "white") then
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return "fff"
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elseif(string.match(str,"(black)") == "black") then
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return "000"
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elseif(string.match(str,"(gray)") == "gray") then
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return "ccc"
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end
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return str
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end
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do
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local function qr(msg, query)
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local receiver = get_receiver(msg)
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local http = require("socket.http")
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local url = "http://api.qrserver.com/v1/create-qr-code/?" .. query .. "&size=600x600" --fixed size otherways it's low detailed
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local response, code, headers = http.request(url)
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if code ~= 200 then
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return "Oops! Error: " .. code
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end
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if #response > 0 then
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send_photo_from_url(receiver, url)
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return
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end
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return "Oops! Something strange happened :("
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end
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local function run(msg, matches)
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local query = ""
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if(#matches == 3) then
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local bgcolor = get_hex(matches[1])
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local color = get_hex(matches[2])
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local data = url_encode(matches[3]:trim())
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query = "data=" .. data .. "&color=" .. color .. "&bgcolor=" .. bgcolor
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return qr(msg, query)
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end
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query = "data=" .. url_encode(matches[1]:trim())
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return qr(msg, query)
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end
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return {
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description = {"qr code plugin for telegram, given a text it returns the qr code"},
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usage = {
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"#qr [text]",
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'#qr "[background color]" "[data color]" [text]',
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".......................................................",
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"Color through text: red|green|blue|purple|black|white|gray",
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"Or colors through hex notation: (\"a56729\" is brown)",
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"Or colors through decimals: (\"255-192-203\" is pink)"
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},
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patterns = {
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'^#qr "(.+)" "(.+)" (.+)$',
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"^#qr (.+)$"
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},
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run = run
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}
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end
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