From 236983125ffb300bb68bd5d56107750118e5fe96 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 5 Jul 2020 21:28:14 +0200
Subject: Use password file for authentication.

---
 src/acl.cc | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/acl.cc

(limited to 'src/acl.cc')

diff --git a/src/acl.cc b/src/acl.cc
new file mode 100644
index 0000000..237fe7a
--- /dev/null
+++ b/src/acl.cc
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            acl.cc
+ *
+ *  Sun Jul  5 17:02:31 CEST 2020
+ *  Copyright 2020 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Munia.
+ *
+ *  Munia is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Munia is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Munia; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "acl.h"
+
+#include <fstream>
+#include <sstream>
+#include <algorithm>
+
+#include "hash.h"
+
+namespace
+{
+User parseLine(const std::string& line)
+{
+	User user;
+
+	int pos{0};
+	std::istringstream iss(line);
+	std::string token;
+	while(std::getline(iss, token, ':'))
+	{
+		switch(pos)
+		{
+		case 0: // username
+			user.username = token;
+			break;
+		case 1: // password hash
+			user.passwordHash = token;
+			break;
+		default:
+			throw "Too many tokens.";
+			break;
+		}
+		++pos;
+	}
+	return user;
+}
+}
+
+ACL::ACL(const std::string& filename)
+	: filename(filename)
+{
+}
+
+ACL::~ACL()
+{
+}
+
+bool ACL::load()
+{
+	std::fstream file;
+	std::map<std::string, User> newUsers;
+
+	file.open(filename, std::ios_base::in);
+	if(!file.is_open())
+	{
+		return false;
+	}
+
+	std::string line;
+	while(std::getline(file, line))
+	{
+		auto user = parseLine(line);
+		newUsers[user.username] = user;
+	}
+
+	file.close();
+
+	std::swap(users, newUsers);
+
+	return true;
+}
+
+bool ACL::checkPassword(const std::string& username, const std::string& password)
+{
+	auto userit = users.find(username);
+	if(userit == users.end())
+	{
+		return false;
+	}
+
+	auto& user = userit->second;
+	return verifyEncoded(user.passwordHash, password);
+}
-- 
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