mirror of
https://github.com/minetest-mods/irc.git
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47 lines
1.4 KiB
Lua
47 lines
1.4 KiB
Lua
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local socket = require("socket")
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local http = require("socket.http")
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if not arg or not arg[1] or not arg[2] then
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print("luasocket cddb.lua <category> <disc-id> [<server>]")
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os.exit(1)
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end
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local server = arg[3] or "http://freedb.freedb.org/~cddb/cddb.cgi"
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function parse(body)
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local lines = string.gfind(body, "(.-)\r\n")
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local status = lines()
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local code, message = socket.skip(2, string.find(status, "(%d%d%d) (.*)"))
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if tonumber(code) ~= 210 then
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return nil, code, message
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end
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local data = {}
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for l in lines do
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local c = string.sub(l, 1, 1)
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if c ~= '#' and c ~= '.' then
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local key, value = socket.skip(2, string.find(l, "(.-)=(.*)"))
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value = string.gsub(value, "\\n", "\n")
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value = string.gsub(value, "\\\\", "\\")
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value = string.gsub(value, "\\t", "\t")
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data[key] = value
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end
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end
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return data, code, message
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end
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local host = socket.dns.gethostname()
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local query = "%s?cmd=cddb+read+%s+%s&hello=LuaSocket+%s+LuaSocket+2.0&proto=6"
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local url = string.format(query, server, arg[1], arg[2], host)
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local body, headers, code = http.get(url)
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if code == 200 then
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local data, code, error = parse(body)
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if not data then
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print(error or code)
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else
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for i,v in pairs(data) do
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io.write(i, ': ', v, '\n')
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end
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end
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else print(error) end
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