Implement some authentication

server/templates/auth.lua

@@ -0,0 +1,5 @@
+return {
+  id = "{{ id }}",
+  token = "{{ token }}",
+  server = "{{ server }}"
+}

server/templates/install.lua

@@ -1,5 +1,22 @@
+local args = { ... }
+
+local token = args[1]
+local existing = fs.exists("auth.lua")
+if not token and not existing then
+    error("A token is required.")
+end
+
 local path = "{{ deploy_path }}"
-files = { "main.lua", "json.lua", "framebuffer.lua", "ringbuffer.lua", "socket.lua" }
+if existing then
+    print("Found auth.lua, skipping")
+elseif token then
+    print("Using token...")
+    shell.run(("wget %s/api/issue-id/%s auth.lua"):format(path, token))
+    if not fs.exists("auth.lua") then
+        error("Token failed!")
+    end
+end
+local files = { "main.lua", "json.lua", "framebuffer.lua", "ringbuffer.lua", "socket.lua" }
 for _, file in ipairs(files) do
     fs.delete(file)
     shell.run(("wget %s/lua/%s"):format(path, file))