start work on persistent login

server/src/db.h

@@ -11,6 +11,8 @@
 
 void sanitize(std::string& str);
 
+std::string generateSecureToken(size_t numBytes);
+
 struct User {
     uint64_t id = 0;
     std::string name = "";
@@ -41,6 +43,8 @@ class Database {
 
     std::optional<User> getUser(uint64_t id);
     std::optional<User> getUserByName(const std::string& name);
+    std::optional<User> getUserByToken(const std::string& token);
+    std::optional<std::string> createNewToken(uint64_t id);
 
     // this will modify the user to have their user ID
     void addUser(User& user);