iteration

lib/auth.lua

@@ -1,3 +1,6 @@
+-- Desc: Authentication library
+-- Auth: Layla Manley
+-- Link: https://gitea.layla.gg/layla/computercraft
 settings.define("auth.token", {
     description = "Authentication token",
     type = "number",
@@ -11,6 +14,75 @@ settings.define("auth.server", {
 })
 
 
+function login(username, password)
+    local data = {
+        ["action"] = "login",
+        ["username"] = username,
+        ["password"] = password
+    }
+
+    local auth_server_id = lns.lookup(settings.get("auth.server"))
+    rednet.send(auth_server_id, data, "auth")
+
+    local token = nil
+    while true do
+        id, msg = rednet.receive("auth")
+        if id == auth_server_id then
+            if msg == "invalid request" then
+                io.write("Invalid request\n")
+                return false
+            elseif msg == "user not found" then
+                io.write("User not found\n")
+                return false
+            elseif msg == "invalid password" then
+                io.write("Invalid password\n")
+                return false
+            else
+                token = msg
+                break
+            end
+        end
+    end
+
+    settings.set("auth.username", username)
+    settings.set("auth.token", token)
+    settings.save()
+    return true
+end
+
+function register(username, password)
+    local data = {
+        ["action"] = "register",
+        ["username"] = username,
+        ["password"] = password
+    }
+
+    local auth_server_id = lns.lookup(settings.get("auth.server"))
+    rednet.send(auth_server_id, data, "auth")
+
+    while true do
+        id, msg = rednet.receive("auth")
+        if id == auth_server_id then
+            if msg == "invalid request" then
+                io.write("Invalid request\n")
+                return false
+            elseif msg == "user already exists" then
+                io.write("User already exists\n")
+                return false
+            else
+                io.write("Registered user " .. username .. "\n")
+                return true
+            end
+        end
+    end
+end
+
+function logout()
+    settings.set("auth.token", -1)
+    settings.save()
+    io.write("Logged out\n")
+end
+
 function get_token()
     return settings.get("auth.token")
 end