feat: add setup_nucleus

This will use the nucleus project to set up a secure proxy for livemap

fxmanifest.lua

@@ -11,11 +11,11 @@ exports {
     "reverseZoneHash", "reverseAreaHash"
 }
 
-
 -- Don't remove. Blips_client is needed for the `blips generate` command to work.
 client_script "example_client/blips_client.lua"
 
 server_scripts {
     "server/update_check.lua",
+    "server/setup_nucleus.lua",
     "dist/livemap.js"
 }

server/setup_nucleus.lua

@@ -0,0 +1,71 @@
+--[[
+            LiveMap - A LiveMap for FiveM servers
+              Copyright (C) 2017  Jordan Dalton
+
+You should have received a copy of the GNU General Public License
+along with this program in the file "LICENSE".  If not, see <http://www.gnu.org/licenses/>.
+]]
+
+local shouldUseNucleus = GetConvar("livemap_use_nucleus", "true")
+local url = "https://cfx.re/api/register/?v=2"
+
+local function uuid()
+    local template ='xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'
+    return string.gsub(template, '[xy]', function (c)
+        local v = (c == 'x') and math.random(0, 0xf) or math.random(8, 0xb)
+        return string.format('%x', v)
+    end)
+end
+
+if shouldUseNucleus == "false" then
+    print("LiveMap will not use nucleus")
+    return
+end
+
+local rawData = LoadResourceFile(GetCurrentResourceName(), "livemap_uuid")
+
+if not rawData then
+    print("Couldn't load UUID from file... Generating a new one")
+    rawData = uuid()
+    SaveResourceFile(GetCurrentResourceName(), "livemap_uuid", rawData, -1)
+end
+
+local socketPort = GetConvar("socket_port", 30121)
+
+print("Woop, our uuid " .. rawData)
+print("Trying to set up a nucleus URL for " .. socketPort)
+
+local dataToPost = {
+    ["token"] = "anonymous",
+    ["tokenEx"] = string.format("%s_LiveMapResourcePloxNoBan", rawData),
+    ["port"] = string.format("%d", socketPort)
+}
+
+print(json.encode(dataToPost))
+
+PerformHttpRequest(url, function(returnCode, data, header)
+
+    if returnCode ~= 200 then
+        print("Woops. Looks like we cannot use the nucleus API to generate a secure proxy :(")
+        print(returnCode)
+        print(data)
+        return
+    end
+
+    local parsedData = json.decode(data)
+    -- Okay. So, we should get back a "host" and "rpToken".
+    -- No idea what the rpToken is for (I'm too dumb to understand the source code of FiveM that has it implemented) but, it seems the proxy works without the reverse connection it sets up in the server.
+    -- Sooooooo. We can just display the host stuff.
+
+    -- Create a nice reverseProxy object that we can show to the user so they can copy-paste it into their config for the interface
+    local reverseProxy = {
+        ["blips"] = string.format("https://%s/blips", parsedData["host"]),
+        ["socket"] = string.format("wss://%s", parsedData["host"])
+    }
+
+    print("Hey! LiveMap was able to use the Nucleus project to automatically set up a secure proxy to the resource.")
+    print("If you want to use this in your config use the revserProxy settings printed below (https://docs.tgrhavoc.co.uk/livemap-interface/reverse_proxy/)")
+    print("If you don't want to use Nucleus then put \"set livemap_use_nucleus false\" in your server.cfg file.")
+    print(string.format("\"reverseProxy\": %s", json.encode(reverseProxy)))
+
+end, "POST", json.encode(dataToPost), {["Content-Type"] = "application/json"})