Added minecraft plugin

plugins/minecraft.lua

@@ -0,0 +1,78 @@
+local usage = {
+   "!mine [ip]: Searches Minecraft server on specified ip and sends info. Default port: 25565",
+   "!mine [ip] [port]: Searches Minecraft server on specified ip and port and sends info.",
+}
+local ltn12 = require "ltn12"
+
+local function mineSearch(ip, port, receiver) --25565
+  local responseText = ""
+  local api = "https://api.syfaro.net/server/status"
+  local parameters = "?ip="..(URL.escape(ip) or "").."&port="..(URL.escape(port) or "").."&players=true&favicon=true"
+  local http = require("socket.http")
+  local respbody = {} 
+  local body, code, headers, status = http.request{
+    url = api..parameters,
+    method = "GET",
+    redirect = true,
+    sink = ltn12.sink.table(respbody)
+  }
+  local body = table.concat(respbody)
+  if (status == nil) then return "ERROR: status = nil" end
+  if code ~=200 then return "ERROR: "..code..". Status: "..status end
+  local jsonData = json:decode(body)
+  responseText = responseText..ip..":"..port.." ->\n"
+  if (jsonData.motd ~= nil) then
+    local tempMotd = ""
+    tempMotd = jsonData.motd:gsub('%§.', '')
+    if (jsonData.motd ~= nil) then responseText = responseText.." Motd: "..tempMotd.."\n" end
+  end
+  if (jsonData.online ~= nil) then
+    responseText = responseText.." Online: "..tostring(jsonData.online).."\n"
+  end
+  if (jsonData.players ~= nil) then
+    if (jsonData.players.max ~= nil) then
+      responseText = responseText.."  Max Players: "..jsonData.players.max.."\n"
+    end
+    if (jsonData.players.now ~= nil) then
+      responseText = responseText.."  Players online: "..jsonData.players.now.."\n"
+    end
+    if (jsonData.players.sample ~= nil and jsonData.players.sample ~= false) then
+      responseText = responseText.."  Players: "..table.concat(jsonData.players.sample, ", ").."\n"
+    end
+  end
+  if (jsonData.favicon ~= nil and false) then
+    --send_photo(receiver, jsonData.favicon) --(decode base64 and send)
+  end
+  return responseText
+end
+
+local function parseText(chat, text)
+  if (text == nil or text == "!mine") then
+    return usage
+  end
+  ip, port = string.match(text, "^!mine (.-) (.*)$")
+  if (ip ~= nil and port ~= nil) then
+    return mineSearch(ip, port, chat)
+  end
+  local ip = string.match(text, "^!mine (.*)$")
+  if (ip ~= nil) then
+    return mineSearch(ip, "25565", chat)
+  end
+  return "ERROR: no input ip?"
+end
+
+
+local function run(msg, matches)
+  local chat_id = tostring(msg.to.id)
+	local result = parseText(chat_id, msg.text)
+	return result
+end
+
+return {
+  description = "Searches Minecraft server and sends info",
+  usage = usage,
+  patterns = {
+    "^!mine (.*)$"
+  },
+  run = run
+}