submodules: sync with latest upstream

Somehow, the fact that multimap was being copyied slipped through.

Makefile

@@ -1,8 +1,8 @@
 
-
+CPPSTD=c++20
-CXXFLAGS=-std=c++17 -O0 -g -no-pie -pipe -MMD -Wall -Wextra
+CXXFLAGS=-std=$(CPPSTD) -O0 -g -no-pie -pipe -MMD -Wall -Wextra
-RELEASE_CXXFLAGS=-std=c++17 -O3 -pipe -MMD -Wall -Wextra
+RELEASE_CXXFLAGS=-std=$(CPPSTD) -O3 -pipe -MMD -Wall -Wextra
-LDFLAGS=-lsqlite3 -lpthread -lcrypto -lstdc++fs -lseccomp
+LDFLAGS=-lsqlite3 -lpthread -lcrypto -lstdc++fs
 INCLUDEFLAGS=-I submodules/sqlitemoderncpp/hdr -I submodules/cpp-httplib -I submodules/qssb.h
 
 CXX=g++
@@ -35,14 +35,19 @@ GTEST_DIR = /home/data/SOURCES/gtest/googletest
 
 GTESTS_TESTDIR = ./tests/
 
-GTEST_CXXFLAGS=-std=c++17 -isystem $(GTEST_DIR)/include -I$(GTEST_DIR) -g -O0 -pipe -Wall -Wextra
+GTEST_CXXFLAGS=-std=$(CPPSTD) -isystem $(GTEST_DIR)/include -I$(GTEST_DIR) -g -O0 -pipe -Wall -Wextra
 GTEST_LDFLAGS=-lsqlite3 -g -O0 -lpthread -lcrypto -lstdc++fs
 GTEST_OBJECTS=$(filter-out qswiki.o, $(WIKIOBJECTS))
 
 .DEFAULT_GOAL := qswiki
 
 release: CXXFLAGS=$(RELEASE_CXXFLAGS)
+profile: CXXFLAGS=$(RELEASE_CXXFLAGS) -pg
+profile: LDFLAGS+= -pg
+
 release: qswiki
+profile: qswiki
+
 qswiki: $(WIKIOBJECTS)
 	$(CXX) $(WIKIOBJECTS) ${LDFLAGS} ${INCLUDEFLAGS}  -o qswiki
 
@@ -53,8 +58,10 @@ gtest: $(GTESTS_TESTDIR)/*.cpp $(GTEST_OBJECTS)
 	$(CXX) -o gtest $(GTESTS_TESTDIR)/*.cpp $(GTEST_OBJECTS) $(GTEST_CXXFLAGS) $(GTEST_DIR)/src/gtest_main.cc $(GTEST_DIR)/src/gtest-all.cc $(GTEST_LDFLAGS)
 
 %.o:%.cpp
-	$(CXX) ${CXXFLAGS} ${LDFLAGS} ${INCLUDEFLAGS} -c -o $@ $<
+	$(CXX) ${CXXFLAGS} ${INCLUDEFLAGS} -c -o $@ $<
 
+version.o:version.cpp
+	$(CXX) ${CXXFLAGS} ${INCLUDEFLAGS} -DGITCOMMIT=\"$(shell git rev-parse --short HEAD)\" -c -o $@ $<
 clean:
 	rm -f $(OBJECTS) $(DEPENDS)
 

authenticator.cpp

@@ -21,7 +21,7 @@ Authenticator::Authenticator(UserDao &userDao)
 // TODO: make failure counter configurable
 bool Authenticator::isBanned(std::string ip)
 {
-	if(utils::hasKey(loginFails, ip))
+	if(loginFails.contains(ip))
 	{
 		LoginFail &fl = loginFails[ip];
 		std::lock_guard<std::mutex> lock(fl.mutex);
@@ -42,7 +42,8 @@ std::vector<char> Authenticator::pbkdf5(std::string password, const std::vector<
 	unsigned char hash[32];
 	const EVP_MD *sha256 = EVP_sha256();
 	const unsigned char *rawsalt = reinterpret_cast<const unsigned char *>(salt.data());
-	int ret = PKCS5_PBKDF2_HMAC(password.c_str(), password.size(), rawsalt, salt.size(), 300000, sha256, sizeof(hash), hash);
+	int ret =
+		PKCS5_PBKDF2_HMAC(password.c_str(), password.size(), rawsalt, salt.size(), 300000, sha256, sizeof(hash), hash);
 	if(ret != 1)
 	{
 		Logger::error() << "Authenticator: pbkdf5: Failed to create hash";

authenticator.h

@@ -3,6 +3,7 @@
 #include <variant>
 #include "database/userdao.h"
 
+#define AUTH_DEFAULT_SALT_SIZE 32
 enum AuthenticationError
 {
 	UserNotFound,

cache/fscache.cpp

@@ -46,7 +46,7 @@ void FsCache::removePrefix(std::string_view prefix)
 	// TODO: lock dir
 	for(auto &entry : std::filesystem::directory_iterator(std::filesystem::path{this->path}))
 	{
-		if(static_cast<std::string>(entry.path().filename()).find(prefix) == 0)
+		if(std::string_view(entry.path().filename().c_str()).starts_with(prefix) == 0)
 		{
 			std::filesystem::remove_all(entry);
 		}

cache/mapcache.cpp

@@ -0,0 +1 @@
+#include "mapcache.h"

cache/mapcache.h

@@ -0,0 +1,38 @@
+#ifndef MAPCACHE_H
+#define MAPCACHE_H
+#include <map>
+#include <set>
+#include <shared_mutex>
+#include <optional>
+
+/* Thread-Safe Key-Value store */
+template <class T> class MapCache
+{
+  private:
+	std::map<std::string, T> cache;
+	mutable std::shared_mutex sharedMutex;
+
+  public:
+	std::optional<T> find(const std::string &key) const
+	{
+		std::shared_lock<std::shared_mutex> lock(this->sharedMutex);
+		auto it = this->cache.find(key);
+		if(it != this->cache.end())
+		{
+			return it->second;
+		}
+		return {};
+	}
+	void set(const std::string &key, const T &val)
+	{
+		std::lock_guard<std::shared_mutex> lock{sharedMutex};
+		this->cache[key] = val;
+	}
+	void clear()
+	{
+		std::lock_guard<std::shared_mutex> lock{sharedMutex};
+		this->cache.clear();
+	}
+};
+
+#endif // MAPCACHE_H

cli.cpp

@@ -0,0 +1,279 @@
+#include <map>
+#include <functional>
+#include <iomanip>
+
+#include "cli.h"
+#include "utils.h"
+#include "random.h"
+#include "authenticator.h"
+#include "config.h"
+#include "logger.h"
+#include "version.h"
+
+CLIHandler::CLIHandler(Config &config, Database &db)
+{
+	this->db = &db;
+	this->conf = &config;
+}
+
+std::pair<bool, std::string> CLIHandler::user_add(const std::vector<std::string> &args)
+{
+	std::string username = args.at(0);
+	std::string password = args.at(1);
+
+	auto userDao = db->createUserDao();
+
+	Permissions perms = this->conf->handlersConfig.anon_permissions;
+	int p = perms.getPermissions();
+	p |= PERM_CAN_CREATE | PERM_CAN_SEARCH | PERM_CAN_EDIT;
+	Permissions newPermissions = Permissions{p};
+
+	Random r;
+	User user;
+	user.enabled = true;
+	user.login = username;
+	user.salt = r.getRandom(AUTH_DEFAULT_SALT_SIZE);
+	user.permissions = newPermissions;
+
+	Authenticator auth{*userDao};
+	std::vector<char> hashResult = auth.hash(password, user.salt);
+	if(hashResult.empty())
+	{
+		return {false, "Error during hashing - Got empty hash"};
+	}
+	user.password = hashResult;
+
+	try
+	{
+		userDao->save(user);
+	}
+	catch(std::runtime_error &e)
+	{
+		return {false, "Exception: " + std::string(e.what())};
+	}
+	return {true, ""};
+}
+
+std::pair<bool, std::string> CLIHandler::user_change_pw([[maybe_unused]] const std::vector<std::string> &args)
+{
+	std::string username = args.at(0);
+	std::string password = args.at(1);
+
+	auto userDao = db->createUserDao();
+
+	auto user = userDao->find(username);
+	if(user)
+	{
+		Random r;
+		Authenticator auth{*userDao};
+		user->salt = r.getRandom(AUTH_DEFAULT_SALT_SIZE);
+		user->password = auth.hash(password, user->salt);
+		if(user->password.empty())
+		{
+			return {false, "Error during hashing - Got empty hash"};
+		}
+
+		userDao->save(*user);
+	}
+	return {false, "User not found"};
+}
+
+std::pair<bool, std::string> CLIHandler::user_rename([[maybe_unused]] const std::vector<std::string> &args)
+{
+
+	return {true, ""};
+}
+
+std::pair<bool, std::string> CLIHandler::user_set_perms([[maybe_unused]] const std::vector<std::string> &args)
+{
+	auto userDao = this->db->createUserDao();
+	std::string username = args.at(0);
+	std::string permission_string = args.at(1);
+
+	Permissions perms{permission_string};
+
+	auto user = userDao->find(username);
+	if(user)
+	{
+		user->permissions = perms;
+		userDao->save(*user);
+		user_show({username});
+		return {true, ""};
+	}
+
+	return {false, "User not found"};
+}
+
+std::pair<bool, std::string> CLIHandler::user_list([[maybe_unused]] const std::vector<std::string> &args)
+{
+	auto userDao = this->db->createUserDao();
+	QueryOption o;
+	auto result = userDao->list(o);
+	std::stringstream stream;
+	for(User &u : result)
+	{
+		stream << u.login << "\t" << std::string(u.enabled ? "enabled" : "disabled") << "\t" << u.permissions.toString()
+			   << std::endl;
+	}
+	return {true, stream.str()};
+}
+
+std::pair<bool, std::string> CLIHandler::user_show(const std::vector<std::string> &args)
+{
+	std::string username = args.at(0);
+	auto userDao = this->db->createUserDao();
+	auto user = userDao->find(username);
+	std::stringstream stream;
+	if(user)
+	{
+		stream << "Username: " << user->login << std::endl;
+
+		stream << "Enabled: " << std::string(user->enabled ? "yes" : "no") << std::endl;
+		stream << "Permissions (general): " << user->permissions.toString() << std::endl;
+		return {true, stream.str()};
+	}
+	return {false, "User not found"};
+}
+
+std::pair<bool, std::string> CLIHandler::page_list([[maybe_unused]] const std::vector<std::string> &args)
+{
+	auto pageDao = this->db->createPageDao();
+	QueryOption o;
+	auto result = pageDao->getPageList(o);
+	std::stringstream stream;
+	for(std::string pagename : result)
+	{
+		Page p = pageDao->find(pagename).value();
+		stream << p.name << " " << p.pageid << " " << std::string(p.listed ? "listed" : "unlisted") << std::endl;
+	}
+	return {true, stream.str()};
+}
+
+std::pair<bool, std::string> CLIHandler::pageperms_set_permissions(const std::vector<std::string> &args)
+{
+	std::string page = args.at(0);
+	std::string username = args.at(1);
+	std::string perms = args.at(2);
+
+	auto permissionsDao = this->db->createPermissionsDao();
+	permissionsDao->save(page, username, Permissions{perms});
+	return {true, ""};
+}
+
+std::pair<bool, std::string> CLIHandler::attach([[maybe_unused]] const std::vector<std::string> &args)
+{
+	/* TODO: consider authentication */
+	pid_t pid = getpid();
+	return {true, "Hi, I am pid: " + std::to_string(pid)};
+}
+
+std::pair<bool, std::string> CLIHandler::cli_help(const std::vector<std::string> &args)
+{
+	std::string command;
+	if(args.size() > 0)
+		command = args[0];
+	std::stringstream stream;
+	for(struct cmd &cmd : cmds)
+	{
+		if(command != "" && cmd.name != command)
+		{
+			continue;
+		}
+
+		stream << cmd.name << " - " << cmd.helptext << std::endl;
+		for(struct cmd &subCmd : cmd.subCommands)
+		{
+			stream << "\t" << subCmd.name << " " << subCmd.helptext << std::endl;
+		}
+		stream << std::endl;
+	}
+	return {true, stream.str()};
+}
+
+std::pair<bool, std::string> CLIHandler::processCommand(const std::vector<CLIHandler::cmd> &commands, std::string cmd,
+														const std::vector<std::string> &args)
+{
+	auto c = std::find_if(commands.begin(), commands.end(),
+						  [&cmd](const struct CLIHandler::cmd &a) { return a.name == cmd; });
+	if(c == commands.end())
+	{
+		std::cout << "No such command: " << cmd << std::endl;
+		return cli_help({});
+	}
+
+	if(!c->subCommands.empty() && args.size() >= c->required_args)
+	{
+		std::string newcmd = args[0];
+		std::vector<std::string> newargs = args;
+		newargs.erase(newargs.begin());
+		return processCommand(c->subCommands, newcmd, newargs);
+	}
+	if(args.size() < c->required_args)
+	{
+		return {false, "not enough parameters passed"};
+	}
+
+	try
+	{
+		return c->func(this, args);
+	}
+	catch(std::runtime_error &e)
+	{
+		return {false, "Exception: " + std::string(e.what())};
+	}
+	return {false, ""};
+}
+
+std::pair<bool, std::string> CLIHandler::processCommand(std::string cmd, const std::vector<std::string> &args)
+{
+	return processCommand(this->cmds, cmd, args);
+}
+
+std::pair<std::string, std::vector<std::string>> CLIHandler::splitCommand(std::string input)
+{
+	input = utils::trim(input);
+	std::vector<std::string> splitted = utils::split(input, "\\s+");
+	if(splitted.empty())
+	{
+		return {" ", splitted};
+	}
+	std::string cmd = splitted[0];
+	splitted.erase(splitted.begin());
+	return {cmd, splitted};
+}
+
+std::pair<bool, std::string> CLIHandler::version([[maybe_unused]] const std::vector<std::string> &args)
+{
+	return {true, get_version_string()};
+}
+
+std::pair<bool, std::string> CLIHandler::category_list([[maybe_unused]] const std::vector<std::string> &args)
+{
+	auto categoryDao = this->db->createCategoryDao();
+	auto categories = categoryDao->fetchList(QueryOption{});
+	std::stringstream stream;
+	for(std::string &cat : categories)
+	{
+		stream << cat << std::endl;
+	}
+	return {true, stream.str()};
+}
+
+std::pair<bool, std::string> CLIHandler::category_delete(const std::vector<std::string> &args)
+{
+	auto categoryDao = this->db->createCategoryDao();
+	categoryDao->deleteCategory(args.at(0));
+	return {true, ""};
+}
+
+std::pair<bool, std::string> CLIHandler::category_show(const std::vector<std::string> &args)
+{
+	auto categoryDao = this->db->createCategoryDao();
+	auto members = categoryDao->fetchMembers(args.at(0), QueryOption{});
+	std::stringstream stream;
+	for(std::string &member : members)
+	{
+		stream << member << std::endl;
+	}
+	return {true, stream.str()};
+}

cli.h

@@ -0,0 +1,94 @@
+#ifndef CLI_H
+#define CLI_H
+#include <iostream>
+#include <string>
+#include <vector>
+#include "database/database.h"
+#include "config.h"
+
+class CLIHandler
+{
+	struct cmd
+	{
+		std::string name;
+		std::string helptext;
+		unsigned int required_args;
+		std::vector<cmd> subCommands;
+		std::function<std::pair<bool, std::string>(CLIHandler *, const std::vector<std::string> &)> func;
+	};
+
+  private:
+	Database *db;
+	Config *conf;
+
+  protected:
+	std::pair<bool, std::string> attach([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> cli_help([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_add([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_change_pw([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_rename([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_set_perms([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_list([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> user_show([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> page_list([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> pageperms_set_permissions([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> version([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> category_list([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> category_delete([[maybe_unused]] const std::vector<std::string> &args);
+	std::pair<bool, std::string> category_show([[maybe_unused]] const std::vector<std::string> &args);
+
+	std::vector<struct cmd> cmds{
+		{{"user",
+		  "user operations on the database",
+		  1,
+		  {{{"add", "[user] [password] - creates a user", 2, {}, &CLIHandler::user_add},
+			{"changepw", "[user] [password] - changes the password of user", 2, {}, &CLIHandler::user_change_pw},
+			{"rename", "[user] [new name] - renames a user", 2, {}, &CLIHandler::user_rename},
+			{"setperms", "[user] [perms] - sets the permissions of the user", 2, {}, &CLIHandler::user_set_perms},
+			{"list", "- lists users", 0, {}, &CLIHandler::user_list},
+			{"show", "[user] - show detailed information about user", 1, {}, &CLIHandler::user_show}}},
+		  &CLIHandler::cli_help},
+		 {"page",
+		  "operation on pages",
+		  1,
+		  {{{"list", "- lists existing pages", 0, {}, &CLIHandler::page_list}}},
+		  &CLIHandler::cli_help},
+		 {"category",
+		  "operation on categories",
+		  1,
+		  {{{"list", "- lists existing categories", 0, {}, &CLIHandler::category_list},
+			{"delete", " - deletes a category", 1, {}, &CLIHandler::category_delete},
+			{"show", " - shows pages of a category", 1, {}, &CLIHandler::category_show}}},
+		  &CLIHandler::cli_help},
+		 {"pageperms",
+		  "set permissions on pages",
+		  1,
+		  {{{"set",
+			 "- [page] [username] [permissions] set permisisons on page",
+			 3,
+			 {},
+			 &CLIHandler::pageperms_set_permissions}}},
+		  &CLIHandler::cli_help},
+		 {"exit",
+		  "exit cli",
+		  0,
+		  {},
+		  [](CLIHandler *, [[maybe_unused]] const std::vector<std::string> &args) -> std::pair<bool, std::string>
+		  {
+			  exit(EXIT_SUCCESS);
+			  return {true, ""};
+		  }},
+		 {"help", "print this help", 0, {}, &CLIHandler::cli_help},
+		 {"attach", "attach to running instance", 0, {}, &CLIHandler::attach},
+		 {"version", "print verison info", 0, {}, &CLIHandler::version}}};
+
+	std::pair<bool, std::string> processCommand(const std::vector<CLIHandler::cmd> &commands, std::string cmd,
+												const std::vector<std::string> &args);
+
+  public:
+	CLIHandler(Config &config, Database &d);
+	std::pair<bool, std::string> processCommand(std::string cmd, const std::vector<std::string> &args);
+	static std::pair<std::string, std::vector<std::string>> splitCommand(std::string input);
+};
+
+#endif // CLI_H

cliconsole.cpp

@@ -0,0 +1,147 @@
+#include "cliconsole.h"
+
+CLIConsole::CLIConsole(CLIHandler &cliHandler, std::string socketPath)
+{
+	this->handler = &cliHandler;
+	this->socketPath = socketPath;
+}
+
+std::pair<bool, std::string> CLIConsole::send(std::string input)
+{
+	ssize_t ret =
+		sendto(this->sock, input.c_str(), input.size(), 0, (const sockaddr *)&this->server, sizeof(this->server));
+	if((size_t)ret != input.size())
+	{
+		return {false, "sendto failed: " + std::to_string(ret) + " " + std::string(strerror(errno))};
+	}
+	char buffer[1024] = {0};
+	ret = recvfrom(this->sock, buffer, sizeof(buffer) - 1, 0, NULL, NULL);
+	if(ret == -1)
+	{
+		return {false, "recvfrom failed: " + std::string(strerror(errno))};
+	}
+
+	bool success = false;
+	std::string_view view = buffer;
+	if(view[0] == '1')
+	{
+		success = true;
+	}
+	view.remove_prefix(1);
+	std::string msg = std::string{view};
+
+	return {success, msg};
+}
+
+void CLIConsole::attach()
+{
+	if(attached)
+	{
+		std::cout << "Already attached" << std::endl;
+		return;
+	}
+	if(socketPath.size() > sizeof(this->server.sun_path) - 1)
+	{
+		std::cout << "Socket path too long" << std::endl;
+		return;
+	}
+	memset(&this->server, 0, sizeof(this->server));
+	this->server.sun_family = AF_UNIX;
+	memcpy(&this->server.sun_path, socketPath.c_str(), socketPath.size());
+	this->server.sun_path[socketPath.size()] = 0;
+
+	int s = socket(AF_UNIX, SOCK_DGRAM, 0);
+	if(s == -1)
+	{
+		std::cout << "Failed to create socket" << strerror(errno) << std::endl;
+		return;
+	}
+	this->sock = s;
+
+	struct sockaddr_un client;
+	client.sun_family = AF_UNIX;
+	client.sun_path[0] = '\0';
+
+	int ret = bind(this->sock, (struct sockaddr *)&client, sizeof(client));
+	if(ret != 0)
+	{
+		std::cout << "bind() failed: " << strerror(errno) << std::endl;
+		return;
+	}
+	auto result = this->send("attach");
+	if(result.first)
+	{
+		std::cout << "Attached successfully: " << result.second << std::endl;
+		this->attached = true;
+	}
+	else
+	{
+		std::cout << "Attached unsuccessfully: " << result.second << std::endl;
+	}
+}
+
+void CLIConsole::startInteractive()
+{
+	std::cout << "qswiki CLI" << std::endl;
+	std::cout << "not attached - use 'attach' to connect to running instance" << std::endl;
+
+	while(true)
+	{
+		std::string input;
+		std::cout << "> ";
+		std::getline(std::cin, input);
+
+		if(std::cin.bad() || std::cin.eof())
+		{
+			std::cout << "Exiting" << std::endl;
+			return;
+		}
+		if(input.empty())
+		{
+			continue;
+		}
+
+		auto pair = CLIHandler::splitCommand(input);
+		if(pair.first == "exit")
+		{
+			if(attached)
+			{
+				std::cout << "You are attached. Quit attached instance too (y) or only this one(n)" << std::endl;
+				char response;
+				std::cin >> response;
+				if(response == 'y')
+				{
+					this->send("exit");
+				}
+			}
+			std::cout << "Exiting CLI" << std::endl;
+			exit(EXIT_SUCCESS);
+		}
+		if(pair.first == "attach")
+		{
+			attach();
+			continue;
+		}
+
+		std::pair<bool, std::string> result;
+		if(!attached)
+		{
+			result = handler->processCommand(pair.first, pair.second);
+		}
+		else
+		{
+			result = this->send(input);
+		}
+
+		if(!result.second.empty())
+		{
+			std::cout << result.second << std::endl;
+		}
+		if(!result.first)
+		{
+			std::cout << "Command failed" << std::endl;
+		}
+	}
+
+	std::cout << "\n";
+}

cliconsole.h

@@ -0,0 +1,27 @@
+#ifndef CLICONSOLE_H
+#define CLICONSOLE_H
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include "cli.h"
+
+class CLIConsole
+{
+  private:
+	struct sockaddr_un server;
+	int sock;
+	CLIHandler *handler;
+	std::string socketPath;
+	bool attached = false;
+	std::pair<bool, std::string> send(std::string input);
+	void attach();
+
+  public:
+	CLIConsole(CLIHandler &cliHandler, std::string socketPath);
+	void startInteractive();
+};
+
+#endif // CLICONSOLE_H

cliserver.cpp

@@ -0,0 +1,77 @@
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include "cliserver.h"
+#include "logger.h"
+CLIServer::CLIServer(CLIHandler &handler)
+{
+	this->handler = &handler;
+}
+
+bool CLIServer::detachServer(std::string socketpath)
+{
+	struct sockaddr_un name;
+	const int max_socket_length = sizeof(name.sun_path) - 1;
+	if(socketpath.size() > max_socket_length)
+	{
+		perror("socket path too long");
+		return false;
+	}
+	int s = socket(AF_UNIX, SOCK_DGRAM, 0);
+	if(s == -1)
+	{
+		perror("socket");
+		return false;
+	}
+
+	memset(&name, 0, sizeof(name));
+	name.sun_family = AF_UNIX;
+	memcpy(&name.sun_path, socketpath.c_str(), socketpath.size());
+
+	unlink(socketpath.c_str());
+	int ret = bind(s, (const struct sockaddr *)&name, sizeof(name));
+	if(ret == -1)
+	{
+		perror("bind");
+		exit(EXIT_FAILURE);
+	}
+
+	auto worker = [this, s]
+	{
+		while(true)
+		{
+			char buffer[1024] = {0};
+			struct sockaddr_un peer;
+			socklen_t peerlen = sizeof(peer);
+
+			int ret = recvfrom(s, buffer, sizeof(buffer) - 1, 0, (struct sockaddr *)&peer, &peerlen);
+			if(ret == -1)
+			{
+				Logger::error() << "Error during recvfrom in CLI server: " << strerror(errno);
+				return false;
+			}
+
+			std::string input{buffer};
+
+			auto pair = CLIHandler::splitCommand(input);
+
+			auto result = handler->processCommand(pair.first, pair.second);
+			char resultCode = '0';
+			if(result.first)
+			{
+				resultCode = '1';
+			}
+			std::string resultString;
+			resultString += resultCode;
+			resultString += result.second;
+			ret = sendto(s, resultString.c_str(), resultString.size(), 0, (struct sockaddr *)&peer, peerlen);
+			if(ret == -1)
+			{
+				Logger::error() << "Error during sendto in CLI server: " << strerror(errno);
+			}
+		}
+	};
+	std::thread t1{worker};
+	t1.detach();
+	return true;
+}

cliserver.h

@@ -0,0 +1,16 @@
+#ifndef CLISERVER_H
+#define CLISERVER_H
+#include <thread>
+#include "cli.h"
+
+class CLIServer
+{
+  private:
+	CLIHandler *handler = nullptr;
+
+  public:
+	CLIServer(CLIHandler &handler);
+	bool detachServer(std::string socketpath);
+};
+
+#endif // CLISERVER_H

database/categorydaosqlite.cpp

@@ -42,6 +42,7 @@ std::optional<Category> CategoryDaoSqlite::find(std::string name)
 	{
 		throwFrom(e);
 	}
+	return {};
 }
 
 void CategoryDaoSqlite::save(const Category &c)
@@ -64,9 +65,9 @@ void CategoryDaoSqlite::deleteCategory(std::string name)
 	try
 	{
 
-		*db << "BEGIN";
+		*db << "BEGIN;";
-		*db << "DELETE FROM categorymember WHERE catid = (SELECT id FROM category WHERE name = ?)" << name;
+		*db << "DELETE FROM categorymember WHERE category = (SELECT id FROM category WHERE name = ?);" << name;
-		*db << "DELETE FROM category WHERE name = ?" << name;
+		*db << "DELETE FROM category WHERE name = ?;" << name;
 		*db << "COMMIT;";
 	}
 	catch(sqlite::sqlite_exception &e)

database/permissionsdao.h

@@ -1,5 +1,6 @@
 #ifndef PERMISSIONSDAO_H
 #define PERMISSIONSDAO_H
+#include <optional>
 #include "../permissions.h"
 #include "../user.h"
 class PermissionsDao
@@ -7,6 +8,7 @@ class PermissionsDao
   public:
 	PermissionsDao();
 	virtual std::optional<Permissions> find(std::string pagename, std::string username) = 0;
+	virtual void save(std::string pagename, std::string username, Permissions perms) = 0;
 };
 
 #endif // PERMISSIONSDAO_H

database/permissionsdaosqlite.cpp

@@ -41,3 +41,21 @@ std::optional<Permissions> PermissionsDaoSqlite::find(std::string pagename, std:
 
 	return Permissions{permissions};
 }
+
+void PermissionsDaoSqlite::save(std::string pagename, std::string username, Permissions perms)
+{
+	try
+	{
+		auto query =
+			*db
+			<< "INSERT OR REPLACE INTO permissions (id, permissions, userid, page) VALUES((SELECT id FROM permissions "
+			   "WHERE page = (SELECT id FROM page WHERE name = ?) AND userid = (SELECT id FROM user WHERE username = "
+			   "?)), ?, (SELECT id FROM user WHERE username = ?), (SELECT id FROM page WHERE name = ?))";
+		query << pagename << username << perms.getPermissions() << username << pagename;
+		query.execute();
+	}
+	catch(const sqlite::errors::no_rows &e)
+	{
+		throwFrom(e);
+	}
+}

database/permissionsdaosqlite.h

@@ -9,6 +9,7 @@ class PermissionsDaoSqlite : public PermissionsDao, protected SqliteDao
 	PermissionsDaoSqlite();
 
 	std::optional<Permissions> find(std::string pagename, std::string username) override;
+	virtual void save(std::string pagename, std::string username, Permissions perms) override;
 	using SqliteDao::SqliteDao;
 };
 

database/sqlitedao.cpp

@@ -22,18 +22,17 @@ SOFTWARE.
 
 bool SqliteDao::execBool(sqlite::database_binder &binder) const
 {
-	bool result;
+	bool result = false;
 	try
 	{
-		bool result;
 		binder >> result;
-		return result;
 	}
 	catch(sqlite::sqlite_exception &e)
 	{
 		// TODO: well, we may want to check whether rows have found or not and thus log this here
-		return false;
+		result = false;
 	}
+	return result;
 }
 
 int SqliteDao::execInt(sqlite::database_binder &binder) const
@@ -52,4 +51,5 @@ int SqliteDao::execInt(sqlite::database_binder &binder) const
 	{
 		throwFrom(e);
 	}
+	return 0;
 }

database/sqlitequeryoption.cpp

@@ -46,15 +46,18 @@ SqliteQueryOption &SqliteQueryOption::setPrependWhere(bool b)
 std::string SqliteQueryOption::build()
 {
 	std::string result;
-	if(!o.includeInvisible && !this->visibleColumnName.empty())
-	{
 	if(this->prependWhere)
 	{
 		result += "WHERE ";
 	}
+	if(!o.includeInvisible && !this->visibleColumnName.empty())
+	{
 		result += this->visibleColumnName + " = 1";
 	}
-
+	else
+	{
+		result += " 1 = 1";
+	}
 	result += " ORDER BY " + orderByColumnName;
 	if(o.order == ASCENDING)
 	{
@@ -66,7 +69,8 @@ std::string SqliteQueryOption::build()
 	}
 	// TODO: limits for offset?
 	if(o.limit > 0)
+	{
 		result += " LIMIT " + std::to_string(o.limit) + " OFFSET " + std::to_string(o.offset);
-
+	}
 	return result;
 }

database/userdao.h

@@ -3,6 +3,7 @@
 #include <string>
 #include <optional>
 #include "../user.h"
+#include "queryoption.h"
 class UserDao
 {
   public:
@@ -10,6 +11,7 @@ class UserDao
 	virtual bool exists(std::string username) = 0;
 	virtual std::optional<User> find(std::string username) = 0;
 	virtual std::optional<User> find(int id) = 0;
+	virtual std::vector<User> list(QueryOption o) = 0;
 	virtual void deleteUser(std::string username) = 0;
 	virtual void save(const User &u) = 0;
 	virtual ~UserDao(){};

database/userdaosqlite.cpp

@@ -23,6 +23,7 @@ SOFTWARE.
 #include <memory>
 #include <cstring>
 #include "userdaosqlite.h"
+#include "sqlitequeryoption.h"
 
 UserDaoSqlite::UserDaoSqlite()
 {
@@ -36,7 +37,6 @@ bool UserDaoSqlite::exists(std::string username)
 
 std::optional<User> UserDaoSqlite::find(std::string username)
 {
-
 	try
 	{
 		User user;
@@ -47,7 +47,7 @@ std::optional<User> UserDaoSqlite::find(std::string username)
 		stmt >> std::tie(user.login, user.password, user.salt, perms, user.enabled);
 		user.permissions = Permissions{perms};
 
-		return std::move(user);
+		return user;
 	}
 	catch(const sqlite::errors::no_rows &e)
 	{
@@ -57,6 +57,7 @@ std::optional<User> UserDaoSqlite::find(std::string username)
 	{
 		throwFrom(e);
 	}
+	return {};
 }
 
 std::optional<User> UserDaoSqlite::find(int id)
@@ -70,7 +71,7 @@ std::optional<User> UserDaoSqlite::find(int id)
 		stmt >> std::tie(user.login, user.password, user.salt, perms, user.enabled);
 		user.permissions = Permissions{perms};
 
-		return std::move(user);
+		return user;
 	}
 	catch(const sqlite::errors::no_rows &e)
 	{
@@ -80,9 +81,43 @@ std::optional<User> UserDaoSqlite::find(int id)
 	{
 		throwFrom(e);
 	}
+	return {};
 }
 
-void UserDaoSqlite::deleteUser(std::string username)
+std::vector<User> UserDaoSqlite::list(QueryOption o)
+{
+	std::vector<User> result;
+
+	try
+	{
+
+		std::string queryOption = SqliteQueryOption(o).setOrderByColumn("username").setPrependWhere(true).build();
+		std::string query = "SELECT username, password, salt, permissions, enabled FROM user " + queryOption;
+
+		*db << query >>
+			[&](std::string username, std::vector<char> pw, std::vector<char> salt, int permisisons, bool enabled)
+		{
+			User tmp;
+			tmp.login = username;
+			tmp.password = pw;
+			tmp.salt = salt;
+			tmp.permissions = Permissions{permisisons};
+			tmp.enabled = enabled;
+			result.push_back(tmp);
+		};
+	}
+	catch(const sqlite::errors::no_rows &e)
+	{
+		return result;
+	}
+	catch(sqlite::sqlite_exception &e)
+	{
+		throwFrom(e);
+	}
+	return result;
+}
+
+void UserDaoSqlite::deleteUser([[maybe_unused]] std::string username)
 {
 	// What to do with the contributions of the user?
 }

database/userdaosqlite.h

@@ -13,6 +13,7 @@ class UserDaoSqlite : public UserDao, protected SqliteDao
 	std::optional<User> find(std::string username);
 	std::optional<User> find(int id);
 
+	std::vector<User> list(QueryOption o);
 	void deleteUser(std::string username);
 	void save(const User &u);
 	using SqliteDao::SqliteDao;

gateway/httpgateway.cpp

@@ -41,7 +41,7 @@ Request HttpGateway::convertRequest(httplib::Request request)
 	// TODO: this eats resources, where perhaps it does not need to. move it to request?
 	for(auto &it : request.params)
 	{
-		it.second = utils::html_xss(std::string{it.second});
+		it.second = utils::html_xss(it.second);
 	}
 	if(request.method == "GET")
 	{
@@ -83,7 +83,8 @@ void HttpGateway::work(RequestWorker &worker)
 {
 	httplib::Server server;
 	server.set_payload_max_length(this->maxPayloadLength);
-	auto handler = [&](const httplib::Request &req, httplib::Response &res) {
+	auto handler = [&](const httplib::Request &req, httplib::Response &res)
+	{
 		Request wikiRequest = convertRequest(req);
 		Logger::debug() << "httpgateway: received request " << wikiRequest;
 		Response wikiresponse = worker.processRequest(wikiRequest);

handlers/handler.cpp

@@ -34,7 +34,7 @@ void Handler::setGeneralVars(TemplatePage &page)
 }
 Response Handler::errorResponse(std::string errortitle, std::string errormessage, int status)
 {
-	TemplatePage &error = this->templ->getPage("error");
+	TemplatePage error = this->templ->getPage("error");
 	error.setVar("title", createPageTitle(errortitle));
 	error.setVar("errortitle", errortitle);
 	error.setVar("errormessage", errormessage);

handlers/handler.h

@@ -36,12 +36,12 @@ class Handler
 	}
 
 	virtual Response handle(const Request &r);
-	virtual Response handleRequest(const Request &r)
+	virtual Response handleRequest([[maybe_unused]] const Request &r)
 	{
 		return this->errorResponse("Invalid action", "This action is not implemented yet");
 	}
 
-	virtual bool canAccess(const Permissions &perms)
+	virtual bool canAccess([[maybe_unused]] const Permissions &perms)
 	{
 		return false;
 	}

handlers/handlerallcategories.cpp

@@ -32,7 +32,7 @@ Response HandlerAllCategories::handleRequest(const Request &r)
 			"No categories",
 			"This wiki does not have any categories defined yet or your query options did not yield any results");
 	}
-	TemplatePage &searchPage = this->templ->getPage("allcategories");
+	TemplatePage searchPage = this->templ->getPage("allcategories");
 	std::string body =
 		this->templ->renderSearch(resultList, [&](std::string str) { return this->urlProvider->category(str); });
 	searchPage.setVar("categorylist", body);

handlers/handlerallpages.cpp

@@ -32,7 +32,7 @@ Response HandlerAllPages::handleRequest(const Request &r)
 		{
 			return errorResponse("No pages", "This wiki does not have any pages yet");
 		}
-		TemplatePage &searchPage = this->templ->getPage("allpages");
+		TemplatePage searchPage = this->templ->getPage("allpages");
 		std::string body = this->templ->renderSearch(resultList);
 		searchPage.setVar("pagelist", body);
 		searchPage.setVar("title", createPageTitle("All pages"));

handlers/handlercategory.cpp

@@ -33,7 +33,7 @@ Response HandlerCategory::handleRequest(const Request &r)
 		}
 		QueryOption qo = queryOption(r);
 		auto resultList = categoryDao->fetchMembers(categoryname, qo);
-		TemplatePage &searchPage = this->templ->getPage("show_category");
+		TemplatePage searchPage = this->templ->getPage("show_category");
 		std::string body = this->templ->renderSearch(resultList);
 		searchPage.setVar("pagelist", body);
 		searchPage.setVar("categoryname", categoryname);

handlers/handlerdefault.cpp

@@ -20,7 +20,7 @@ SOFTWARE.
 */
 #include "handlerdefault.h"
 
-Response HandlerDefault::handleRequest(const Request &r)
+Response HandlerDefault::handleRequest([[maybe_unused]] const Request &r)
 {
 	return Response::redirectTemporarily(this->urlProvider->index());
 }
@@ -29,7 +29,7 @@ HandlerDefault::~HandlerDefault()
 {
 }
 
-bool HandlerDefault::canAccess(const Permissions &perms)
+bool HandlerDefault::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return true;
 }

handlers/handlerfactory.cpp

@@ -33,7 +33,7 @@ SOFTWARE.
 #include "handlerhistory.h"
 #include "handlerpagedelete.h"
 #include "handlerusersettings.h"
-
+#include "handlerversion.h"
 std::unique_ptr<Handler> HandlerFactory::createHandler(const std::string &action, Session &userSession)
 {
 	if(action == "" || action == "index")
@@ -80,6 +80,10 @@ std::unique_ptr<Handler> HandlerFactory::createHandler(const std::string &action
 	{
 		return produce<HandlerUserSettings>(userSession);
 	}
+	if(action == "version")
+	{
+		return produce<HandlerVersion>(userSession);
+	}
 
 	return produce<HandlerInvalidAction>(userSession);
 }

handlers/handlerhistory.cpp

@@ -50,7 +50,8 @@ Response HandlerHistory::handleRequest(const Request &r)
 	std::vector<Revision> resultList;
 	auto revisionDao = this->database->createRevisionDao();
 
-	auto makeSortedLink = [&](unsigned int limit, unsigned int offset, unsigned int order) {
+	auto makeSortedLink = [&](unsigned int limit, unsigned int offset, unsigned int order)
+	{
 		if(!page.empty())
 		{
 			return this->urlProvider->pageHistorySort(page, limit, offset, order);
@@ -122,7 +123,7 @@ Response HandlerHistory::handleRequest(const Request &r)
 	return response;
 }
 
-bool HandlerHistory::canAccess(const Permissions &perms)
+bool HandlerHistory::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return true; // This is a lie but we need to this a little more fine grained here, which we do in the handleRequest
 }

handlers/handlerinvalidaction.cpp

@@ -20,12 +20,12 @@ SOFTWARE.
 */
 #include "handlerinvalidaction.h"
 
-Response HandlerInvalidAction::handleRequest(const Request &r)
+Response HandlerInvalidAction::handleRequest([[maybe_unused]] const Request &r)
 {
 	return errorResponse("Invalid action", "No action defined for this action");
 }
 
-bool HandlerInvalidAction::canAccess(const Permissions &perms)
+bool HandlerInvalidAction::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return true;
 }

handlers/handlerlogin.cpp

@@ -55,7 +55,7 @@ Response HandlerLogin::handleRequest(const Request &r)
 	{
 		page = "index";
 	}
-	TemplatePage &loginTemplatePage = this->templ->getPage("login");
+	TemplatePage loginTemplatePage = this->templ->getPage("login");
 	setGeneralVars(loginTemplatePage);
 	loginTemplatePage.setVar("loginurl", urlProvider->login(page));
 	loginTemplatePage.setVar("title", createPageTitle("Login"));
@@ -66,7 +66,7 @@ Response HandlerLogin::handleRequest(const Request &r)
 	return result;
 }
 
-bool HandlerLogin::canAccess(const Permissions &perms)
+bool HandlerLogin::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return true;
 }

handlers/handlerpage.cpp

@@ -63,8 +63,9 @@ void HandlerPage::setPageVars(TemplatePage &page, std::string pagename)
 	if(!pagename.empty())
 	{
 		std::string headerlinks;
-		TemplatePage &headerlink = this->templ->getPage("_headerlink");
+		TemplatePage headerlink = this->templ->getPage("_headerlink");
-		auto addHeaderLink = [&headerlinks, &headerlink](std::string href, std::string value) {
+		auto addHeaderLink = [&headerlinks, &headerlink](std::string href, std::string value)
+		{
 			headerlink.setVar("href", href);
 			headerlink.setVar("value", value);
 			headerlinks += headerlink.render();

handlers/handlerpageedit.cpp

@@ -23,9 +23,9 @@ SOFTWARE.
 #include "../request.h"
 
 #include "../parser.h"
-bool HandlerPageEdit::canAccess(std::string page)
+bool HandlerPageEdit::canAccess([[maybe_unused]] std::string page)
 {
-	return this->userSession->user.permissions.canEdit();
+	return effectivePermissions(page).canEdit();
 }
 
 bool HandlerPageEdit::pageMustExist()
@@ -121,7 +121,7 @@ Response HandlerPageEdit::handleRequest(PageDao &pageDao, std::string pagename,
 		}
 	}
 
-	TemplatePage &templatePage = this->templ->getPage("page_creation");
+	TemplatePage templatePage = this->templ->getPage("page_creation");
 	templatePage.setVar("actionurl", urlProvider->editPage(pagename));
 	templatePage.setVar("content", body);
 	setPageVars(templatePage, pagename);

handlers/handlerpageview.cpp

@@ -128,7 +128,7 @@ Response HandlerPageView::handleRequest(PageDao &pageDao, std::string pagename,
 		return errorResponse("Database error", "While trying to fetch revision, a database error occured");
 	}
 
-	TemplatePage &page = this->templ->getPage(templatepartname);
+	TemplatePage page = this->templ->getPage(templatepartname);
 
 	Parser parser;
 	Response result;

handlers/handlersearch.cpp

@@ -37,7 +37,7 @@ Response HandlerSearch::handleRequest(const Request &r)
 		{
 			return errorResponse("No results", "Your search for " + q + " did not yield any results.");
 		}
-		TemplatePage &searchPage = this->templ->getPage("search");
+		TemplatePage searchPage = this->templ->getPage("search");
 		std::string body = this->templ->renderSearch(resultList);
 		searchPage.setVar("pagelist", body);
 		searchPage.setVar("searchterm", q);

handlers/handlerusersettings.cpp

@@ -21,13 +21,14 @@ Response HandlerUserSettings::handleRequest(const Request &r)
 			auto userDao = this->database->createUserDao();
 			Authenticator authenticator(*userDao);
 
-			std::variant<User, AuthenticationError> authresult = authenticator.authenticate(this->userSession->user.login, oldpassword);
+			std::variant<User, AuthenticationError> authresult =
+				authenticator.authenticate(this->userSession->user.login, oldpassword);
 			if(std::holds_alternative<AuthenticationError>(authresult))
 			{
 				return this->errorResponse("Invalid current password", "The old password you entered is invalid");
 			}
 			Random r;
-			std::vector<char> salt = r.getRandom(23);
+			std::vector<char> salt = r.getRandom(AUTH_DEFAULT_SALT_SIZE);
 			User user = std::get<User>(authresult);
 			user.salt = salt;
 			user.password = authenticator.hash(newpassword, user.salt);
@@ -50,7 +51,7 @@ Response HandlerUserSettings::handleRequest(const Request &r)
 		}
 	}
 
-	TemplatePage &userSettingsPage = this->templ->getPage("usersettings");
+	TemplatePage userSettingsPage = this->templ->getPage("usersettings");
 	setGeneralVars(userSettingsPage);
 	userSettingsPage.setVar("usersettingsurl", urlProvider->userSettings());
 	userSettingsPage.setVar("title", createPageTitle("User settings - " + this->userSession->user.login));
@@ -61,7 +62,7 @@ Response HandlerUserSettings::handleRequest(const Request &r)
 	return result;
 }
 
-bool HandlerUserSettings::canAccess(const Permissions &perms)
+bool HandlerUserSettings::canAccess([[maybe_unused]] const Permissions &perms)
 {
 	return this->userSession->loggedIn;
 }

handlers/handlerversion.cpp

@@ -0,0 +1,9 @@
+#include "handlerversion.h"
+#include "../version.h"
+Response HandlerVersion::handleRequest([[maybe_unused]] const Request &r)
+{
+	Response response;
+	response.setContentType("text/plain");
+	response.setBody(get_version_string());
+	return response;
+}

handlers/handlerversion.h

@@ -0,0 +1,18 @@
+#ifndef HANDLERVERSION_H
+#define HANDLERVERSION_H
+#include "handler.h"
+class HandlerVersion : public Handler
+{
+  public:
+	using Handler::Handler;
+
+  public:
+	Response handleRequest(const Request &r) override;
+
+	bool canAccess([[maybe_unused]] const Permissions &perms) override
+	{
+		return true;
+	}
+};
+
+#endif // HANDLERVERSION_H

permissions.cpp

@@ -20,6 +20,17 @@ SOFTWARE.
 */
 #include "permissions.h"
 
+static const std::map<std::string, int> permmap = {{"can_read", PERM_CAN_READ},
+												   {"can_edit", PERM_CAN_EDIT},
+												   {"can_page_history", PERM_CAN_PAGE_HISTORY},
+												   {"can_global_history", PERM_CAN_GLOBAL_HISTORY},
+												   {"can_delete", PERM_CAN_DELETE},
+												   {"can_see_page_list", PERM_CAN_SEE_PAGE_LIST},
+												   {"can_create", PERM_CAN_CREATE},
+												   {"can_see_category_list", PERM_CAN_SEE_CATEGORY_LIST},
+												   {"can_see_links_here", PERM_CAN_SEE_LINKS_HERE},
+												   {"can_search", PERM_CAN_SEARCH}};
+
 Permissions::Permissions(int permissions)
 {
 	this->permissions = permissions;
@@ -36,3 +47,20 @@ Permissions::Permissions(const std::string &str)
 		}
 	}
 }
+
+std::string Permissions::toString(int perms)
+{
+	std::string result;
+	for(auto pair : permmap)
+	{
+		if(pair.second & perms)
+		{
+			result += pair.first + ",";
+		}
+	}
+	if(result.size() > 0)
+	{
+		result.pop_back();
+	}
+	return result;
+}

permissions.h

@@ -14,20 +14,12 @@
 
 #include <string>
 #include <map>
+
 class Permissions
+
 {
   private:
 	int permissions = 0;
-	const std::map<std::string, int> permmap = {{"can_read", PERM_CAN_READ},
-												{"can_edit", PERM_CAN_EDIT},
-												{"can_page_history", PERM_CAN_PAGE_HISTORY},
-												{"can_global_history", PERM_CAN_GLOBAL_HISTORY},
-												{"can_delete", PERM_CAN_DELETE},
-												{"can_see_page_list", PERM_CAN_SEE_PAGE_LIST},
-												{"can_create", PERM_CAN_CREATE},
-												{"can_see_category_list", PERM_CAN_SEE_CATEGORY_LIST},
-												{"can_see_links_here", PERM_CAN_SEE_LINKS_HERE},
-												{"can_search", PERM_CAN_SEARCH}};
 
   public:
 	Permissions()
@@ -102,6 +94,13 @@ class Permissions
 	{
 		return this->permissions & PERM_CAN_SEE_PAGE_LIST;
 	}
+
+	std::string toString() const
+	{
+		return Permissions::toString(this->permissions);
+	}
+
+	static std::string toString(int perms);
 };
 
 #endif // PERMISSIONS_H

qswiki.cpp

@@ -25,6 +25,7 @@ SOFTWARE.
 #include <unistd.h>
 #include <sys/types.h>
 #include <filesystem>
+#include <getopt.h>
 #include "gateway/gatewayinterface.h"
 #include "gateway/gatewayfactory.h"
 #include "handlers/handlerfactory.h"
@@ -37,7 +38,12 @@ SOFTWARE.
 #include "requestworker.h"
 #include "cache/fscache.h"
 #include "sandbox/sandboxfactory.h"
-void sigterm_handler(int arg)
+#include "cli.h"
+#include "cliconsole.h"
+#include "cliserver.h"
+#include "version.h"
+
+void sigterm_handler([[maybe_unused]] int arg)
 {
 	// TODO: proper shutdown.
 	exit(EXIT_SUCCESS);
@@ -56,6 +62,10 @@ void setup_signal_handlers()
 	}
 }
 
+#define OPT_PRINT_VERSION 23
+
+static struct option long_options[] = {{"cli", no_argument, 0, 'c'}, {"version", no_argument, 0, OPT_PRINT_VERSION}};
+
 std::unique_ptr<ICache> createCache(const ConfigVariableResolver &resolver)
 {
 
@@ -63,13 +73,43 @@ std::unique_ptr<ICache> createCache(const ConfigVariableResolver &resolver)
 
 	return std::make_unique<FsCache>(path);
 }
+
 int main(int argc, char **argv)
 {
+
+	char *configfilepath = NULL;
+	int option;
+	int option_index;
+	bool cli_mode = false;
+
 	if(geteuid() == 0)
 	{
 		std::cerr << "Do not run this as root!" << std::endl;
 		return 1;
 	}
+
+	while((option = getopt_long(argc, argv, "cv", long_options, &option_index)) != -1)
+	{
+		switch(option)
+		{
+		case 'c':
+			cli_mode = true;
+			break;
+		case OPT_PRINT_VERSION:
+			std::cout << get_version_string() << std::endl;
+			exit(EXIT_SUCCESS);
+			break;
+		}
+	}
+
+	if(optind == argc)
+	{
+		std::cerr << "Missing config path" << std::endl;
+		return 1;
+	}
+
+	configfilepath = argv[optind++];
+
 	auto sandbox = createSandbox();
 	// TODO: do we want to keep it mandatory or configurable?
 	if(!sandbox->supported())
@@ -77,35 +117,18 @@ int main(int argc, char **argv)
 		Logger::error() << "Sandbox is not supported, exiting";
 		exit(EXIT_FAILURE);
 	}
-	if(!sandbox->enableForInit())
-	{
-		Logger::error() << "Sandboxing for init mode could not be activated.";
-		exit(EXIT_FAILURE);
-	}
-
 	if(argc < 2)
 	{
 		std::cerr << "no path to config file provided" << std::endl;
 		return 1;
 	}
+	std::string configpath = std::filesystem::absolute(configfilepath).string();
 
 	try
 	{
-		ConfigReader configreader(argv[1]);
+		ConfigReader configreader(configpath);
 		Config config = configreader.readConfig();
 
-		// TODO: config.connectiontring only works as long as we only support sqlite of course
-		if(!sandbox->enablePreWorker({
-			   config.configVarResolver.getConfig("cache_fs_dir"),
-			   config.templatepath,
-			   std::filesystem::path(config.logfile).parent_path(),
-			   std::filesystem::path(config.connectionstring).parent_path(),
-		   }))
-		{
-			Logger::error() << "Sandboxing for pre worker stage could not be activated.";
-			exit(EXIT_FAILURE);
-		}
-
 		setup_signal_handlers();
 
 		std::fstream logstream;
@@ -113,6 +136,34 @@ int main(int argc, char **argv)
 		Logger::setStream(&logstream);
 
 		auto database = createDatabase(config);
+		std::string socketPath = config.configVarResolver.getConfig("socketpath");
+		CLIHandler cliHandler(config, *database);
+
+		if(cli_mode)
+		{
+			CLIConsole console{cliHandler, socketPath};
+			console.startInteractive();
+			return 0;
+		}
+
+		// TODO: config.connectiontring only works as long as we only support sqlite of course
+		if(!sandbox->enable({
+			   config.configVarResolver.getConfig("cache_fs_dir"),
+			   config.templatepath,
+			   std::filesystem::path(config.logfile).parent_path(),
+			   std::filesystem::path(config.connectionstring).parent_path(),
+		   }))
+		{
+			Logger::error() << "Sandboxing for worker could not be enabled!";
+			exit(EXIT_FAILURE);
+		}
+
+		CLIServer cliServer{cliHandler};
+		if(!cliServer.detachServer(socketPath))
+		{
+			Logger::error() << "Error: Failed to detach unix socket server";
+			return 1;
+		}
 
 		// TODO: quite ugly, anon-handling must be rethought
 		auto userdao = database->createUserDao();
@@ -129,7 +180,9 @@ int main(int argc, char **argv)
 		userdao->save(anon.value());
 		User::setAnon(anon.value());
 
-		Template siteTemplate{config.templateprefix, config.templatepath, config.urls, config.configVarResolver};
+		MapCache<TemplatePage> mapCache;
+		Template siteTemplate{config.templateprefix, config.templatepath, config.urls, config.configVarResolver,
+							  mapCache};
 		UrlProvider urlProvider{config.urls};
 
 		auto cache = createCache(config.configVarResolver);
@@ -140,11 +193,6 @@ int main(int argc, char **argv)
 
 		auto interface = createGateway(config);
 
-		if(!sandbox->enableForWorker())
-		{
-			Logger::error() << "Sandboxing for worker could not be enabled!";
-			exit(EXIT_FAILURE);
-		}
 		interface->work(requestWorker);
 	}
 	catch(const std::exception &e)

requestworker.cpp

@@ -59,7 +59,7 @@ Response RequestWorker::processRequest(const Request &r)
 		if(session.loggedIn && session.csrf_token != r.post("csrf_token"))
 		{
 			// TODO: this is code duplication
-			TemplatePage &error = this->templ->getPage("error");
+			TemplatePage error = this->templ->getPage("error");
 			error.setVar("errortitle", "Invalid csrf token");
 			error.setVar("errormessage", "Invalid csrf token");
 			return {403, error.render()};

response.cpp

@@ -32,12 +32,12 @@ Response::Response(int http_status_code, std::string html)
 	this->html = std::move(html);
 }
 
-void Response::addHeader(const std::string &key, const std::string &value)
+void Response::addHeader(std::string key, std::string value)
 {
 	this->responseHeaders.insert(std::make_pair(key, value));
 }
 
-Response Response::redirectTemporarily(const std::string &url)
+Response Response::redirectTemporarily(std::string url)
 {
 	Response result;
 	result.addHeader("Location", url);

response.h

@@ -27,8 +27,8 @@ class Response
 		return this->html;
 	}
 
-	void addHeader(const std::string &key, const std::string &value);
+	void addHeader(std::string key, std::string value);
-	static Response redirectTemporarily(const std::string &url);
+	static Response redirectTemporarily(std::string url);
 
 	void setStatus(int status)
 	{

sandbox/sandbox-linux.cpp

@@ -23,52 +23,6 @@
  * obvious systemcalls. To whitelist, we need to analyse our
  * dependencies (http library, sqlite wrapper, sqlite lib etc.) */
 
-bool SandboxLinux::enableForInit()
-{
-	umask(0027);
-	struct qssb_policy policy = {0};
-	int blacklisted_syscalls[] = {QSSB_SYS(execveat), QSSB_SYS(execve), -1};
-	policy.blacklisted_syscalls = blacklisted_syscalls;
-	policy.no_new_privs = 1;
-	int result = qssb_enable_policy(&policy);
-	if(result != 0)
-	{
-		Logger::error() << "Failed to install sandboxing policy (init): " << result;
-		return false;
-	}
-	return true;
-}
-
-bool SandboxLinux::enablePreWorker(std::vector<std::string> fsPaths)
-{
-	std::sort(fsPaths.begin(), fsPaths.end(),
-			  [](const std::string &a, const std::string &b) { return a.length() < b.length(); });
-
-	struct qssb_path_policy *policies = new qssb_path_policy[fsPaths.size()];
-	for(unsigned int i = 0; i < fsPaths.size(); i++)
-	{
-		policies[i].next = policies + (i + 1);
-		policies[i].mountpoint = fsPaths[i].c_str();
-		policies[i].policy = QSSB_MOUNT_ALLOW_READ | QSSB_MOUNT_ALLOW_WRITE;
-	}
-	policies[fsPaths.size() - 1].next = NULL;
-
-	struct qssb_policy policy = {0};
-	policy.path_policies = policies;
-	policy.namespace_options |= QSSB_UNSHARE_MOUNT;
-	policy.namespace_options |= QSSB_UNSHARE_USER;
-	int blacklisted_syscalls[] = {QSSB_SYS(execveat), QSSB_SYS(execve), -1};
-	policy.blacklisted_syscalls = blacklisted_syscalls;
-	int result = qssb_enable_policy(&policy);
-	if(result != 0)
-	{
-		Logger::error() << "Failed to install sandboxing policy (preworker): %i" << result;
-		return false;
-	}
-	delete[] policies;
-	return true;
-}
-
 bool SandboxLinux::supported()
 {
 	std::fstream stream;
@@ -86,32 +40,43 @@ bool SandboxLinux::supported()
 	}
 	return true;
 }
-bool SandboxLinux::enableForWorker()
+bool SandboxLinux::enable(std::vector<std::string> fsPaths)
 {
-	struct qssb_policy policy = {0};
+	std::sort(fsPaths.begin(), fsPaths.end(),
-	policy.drop_caps = 1;
+			  [](const std::string &a, const std::string &b) { return a.length() < b.length(); });
-	policy.not_dumpable = 1;
-	policy.no_new_privs = 1;
 
-	/* TODO: as said, a whitelist approach is better. As such, this list is bound to be incomplete in the
+	struct qssb_policy *policy = qssb_init_policy();
-	 * sense that more could be listed here and some critical ones are probably missing */
+	if(policy == NULL)
-	int blacklisted_syscalls[] = {QSSB_SYS(setuid),
-								  QSSB_SYS(connect),
-								  QSSB_SYS(chroot),
-								  QSSB_SYS(pivot_root),
-								  QSSB_SYS(mount),
-								  QSSB_SYS(setns),
-								  QSSB_SYS(unshare),
-								  QSSB_SYS(ptrace),
-								  QSSB_SYS(personality),
-								  QSSB_SYS(prctl),
-								  -1};
-	policy.blacklisted_syscalls = blacklisted_syscalls;
-	if(qssb_enable_policy(&policy) != 0)
 	{
-		Logger::error() << "Sandbox: Activation of seccomp blacklist failed!";
+		Logger::error() << "Failed to init sandboxing policy (worker) ";
 		return false;
 	}
+	for(unsigned int i = 0; i < fsPaths.size(); i++)
+	{
+		qssb_append_path_policy(policy, QSSB_FS_ALLOW_READ | QSSB_FS_ALLOW_WRITE, fsPaths[i].c_str());
+	}
+	policy->drop_caps = 1;
+	policy->not_dumpable = 1;
+	policy->no_new_privs = 1;
+	policy->mount_path_policies_to_chroot = 1;
+	/* TODO: as said, a whitelist approach is better. As such, this list is bound to be incomplete in the
+	 * sense that more could be listed here and some critical ones are probably missing */
 
+	/* TODO: use qssb groups */
+	long blacklisted_syscalls[] = {QSSB_SYS(setuid),	  QSSB_SYS(connect), QSSB_SYS(chroot),	 QSSB_SYS(pivot_root),
+								   QSSB_SYS(mount),		  QSSB_SYS(setns),	 QSSB_SYS(unshare),	 QSSB_SYS(ptrace),
+								   QSSB_SYS(personality), QSSB_SYS(prctl),	 QSSB_SYS(execveat), QSSB_SYS(execve),
+								   QSSB_SYS(fork)};
+	qssb_append_syscalls_policy(policy, QSSB_SYSCALL_DENY_KILL_PROCESS, blacklisted_syscalls,
+								sizeof(blacklisted_syscalls) / sizeof(blacklisted_syscalls[0]));
+	qssb_append_syscall_default_policy(policy, QSSB_SYSCALL_ALLOW);
+
+	if(qssb_enable_policy(policy) != 0)
+	{
+		Logger::error() << "Sandbox: Activation of seccomp blacklist failed!";
+		qssb_free_policy(policy);
+		return false;
+	}
+	qssb_free_policy(policy);
 	return true;
 }

sandbox/sandbox-linux.h

@@ -8,8 +8,6 @@ class SandboxLinux : public Sandbox
   public:
 	using Sandbox::Sandbox;
 	bool supported() override;
-	bool enableForInit() override;
+	bool enable(std::vector<std::string> fsPaths) override;
-	bool enablePreWorker(std::vector<std::string> fsPaths) override;
-	bool enableForWorker() override;
 };
 #endif

sandbox/sandbox-openbsd.h

@@ -6,10 +6,6 @@ class SandboxOpenBSD : public Sandbox
 {
   public:
 	bool supported() override;
-	bool enableForInit() override;
+	bool enable(std::vector<std::string> fsPaths) override;
-	bool enableForWorker() override;
-
-  private:
-	bool seccomp_blacklist(std::vector<int> syscalls);
 };
 #endif

sandbox/sandbox.h

@@ -10,16 +10,7 @@ class Sandbox
 	/* Whether the platform has everything required to active all sandbnox modes */
 	virtual bool supported() = 0;
 
-	/* Activated early. At this point, we need more system calls
+	/* Activated after we have acquired resources (bound to ports etc.)*/
-	 * than later on */
+	virtual bool enable(std::vector<std::string> fsPaths) = 0;
-	virtual bool enableForInit() = 0;
-
-	/* Activated after config has been read. Now we now which paths we need access to */
-	virtual bool enablePreWorker(std::vector<std::string> fsPaths) = 0;
-
-	/* Activated after we have acquired resources (bound to ports etc.)
-	 *
-	 * This should allow us to further restrcit the process */
-	virtual bool enableForWorker() = 0;
 };
 #endif

setup/sqlite.sql

@@ -25,24 +25,13 @@ count integer
 CREATE TABLE category(id INTEGER PRIMARY KEY, name varchar(255));
 CREATE TABLE categorymember(id INTEGER PRIMARY KEY, category REFERENCES category(id), page REFERENCES page (id));
 CREATE INDEX revisionid ON revision (revisionid DESC);
-CREATE INDEX pagename ON page (name)
+CREATE INDEX pagename ON page (name);
-;
+CREATE INDEX token ON session (token);
-CREATE INDEX token ON session (token)
+CREATE VIRTUAL TABLE search USING fts5(content, page UNINDEXED, content=revision,content_rowid=id);
-;
-CREATE TRIGGER search_ai AFTER INSERT ON revision BEGIN
-  DELETE FROM search WHERE page = new.page;
-  INSERT INTO search(rowid, content, page) VALUES (new.id, new.content, new.page);
-END;
-CREATE TRIGGER search_au AFTER UPDATE ON revision BEGIN
-  DELETE FROM search WHERE page = old.page;
-  INSERT INTO search(rowid, content, page) VALUES (new.id, new.content, new.page);
-END;
-CREATE VIRTUAL TABLE search USING fts5(content, page UNINDEXED, content=revision,content_rowid=id)
-/* search(content,page) */;
-CREATE TABLE IF NOT EXISTS 'search_data'(id INTEGER PRIMARY KEY, block BLOB);
-CREATE TABLE IF NOT EXISTS 'search_idx'(segid, term, pgno, PRIMARY KEY(segid, term)) WITHOUT ROWID;
-CREATE TABLE IF NOT EXISTS 'search_docsize'(id INTEGER PRIMARY KEY, sz BLOB);
-CREATE TABLE IF NOT EXISTS 'search_config'(k PRIMARY KEY, v) WITHOUT ROWID;
 CREATE TRIGGER search_ad AFTER DELETE ON revision BEGIN
   INSERT INTO search(search, rowid, content, page) VALUES('delete', old.id, old.content, old.page);
 END;
+CREATE TRIGGER search_ai AFTER INSERT ON revision BEGIN
+  INSERT INTO search(search, rowid, content, page) SELECT 'delete', id, content, page FROM revision WHERE page = new.page AND revisionid = new.revisionid - 1; 
+  INSERT INTO search(rowid, content, page) VALUES (new.id, new.content, new.page);
+END;

template.cpp

@@ -24,12 +24,25 @@ SOFTWARE.
 #include "htmllink.h"
 #include "logger.h"
 Template::Template(std::string templateprefix, std::string templatepath, ConfigUrls &configUrls,
-				   ConfigVariableResolver &configVarsResolver)
+				   ConfigVariableResolver &configVarsResolver, MapCache<TemplatePage> &pageCache)
 {
 	this->templateprefix = templateprefix;
 	this->templatepath = templatepath;
 	this->configUrls = &configUrls;
 	this->configVarResolver = &configVarsResolver;
+	this->pageCache = &pageCache;
+}
+
+TemplatePage Template::getPage(const std::string &pagename)
+{
+	auto result = this->pageCache->find(pagename);
+	if(result)
+	{
+		return *result;
+	}
+	auto page = createPage(pagename);
+	this->pageCache->set(pagename, page);
+	return page;
 }
 
 std::string Template::getPartPath(std::string_view partname)
@@ -54,7 +67,7 @@ std::string Template::resolveIncludes(std::string_view content)
 	return replacer.parse(content);
 }
 
-TemplatePage Template::createPage(std::string name)
+TemplatePage Template::createPage(std::string_view name)
 {
 	std::string content = loadResolvedPart(name);
 	Varreplacer replacer(this->templateprefix);
@@ -65,16 +78,6 @@ TemplatePage Template::createPage(std::string name)
 	return TemplatePage(replacer.parse(content));
 }
 
-TemplatePage &Template::getPage(const std::string &pagename)
-{
-	if(utils::hasKey(pagesMap, pagename))
-	{
-		return pagesMap[pagename];
-	}
-	pagesMap.insert(std::make_pair(pagename, createPage(pagename)));
-	return pagesMap[pagename];
-}
-
 // TODO: this restricts template a bit
 std::string Template::renderSearch(const std::vector<std::string> &results,
 								   std::function<std::string(std::string)> callback) const
@@ -130,11 +133,10 @@ std::string Template::renderRevisionList(const std::vector<Revision> &revisions,
 	std::stringstream stream;
 	UrlProvider urlprovider(*this->configUrls);
 
-	auto genwithoutpage = [&] {
+	auto genwithoutpage = [&]
+	{
 		for(const Revision &revision : revisions)
 		{
-
-			Logger::debug() << "processing: " << revision.revision;
 			stream << "<tr><td><a href=\"" << urlprovider.pageRevision(revision.page, revision.revision) << "\">"
 				   << revision.revision << "</a></td>"
 				   << "<td>" << revision.author << "</td>"
@@ -143,7 +145,8 @@ std::string Template::renderRevisionList(const std::vector<Revision> &revisions,
 		}
 	};
 
-	auto genwithpage = [&] {
+	auto genwithpage = [&]
+	{
 		for(const Revision &revision : revisions)
 		{
 

template.h

@@ -8,31 +8,29 @@
 #include "response.h"
 #include "searchresult.h"
 #include "revision.h"
+#include "cache/mapcache.h"
 class Template
 {
   private:
 	ConfigVariableResolver *configVarResolver;
 	ConfigUrls *configUrls;
+	MapCache<TemplatePage> *pageCache;
 
 	std::string templateprefix;
 	std::string templatepath;
 
-	std::map<std::string, TemplatePage> pagesMap;
 	std::string resolveIncludes(std::string_view content);
 
 	std::string getPartPath(std::string_view partname);
 	std::string loadResolvedPart(std::string_view partname);
 	std::string loadPartContent(std::string_view partname);
-	TemplatePage createPage(std::string name);
+	TemplatePage createPage(std::string_view name);
 
   public:
 	Template(std::string templateprefix, std::string templatepath, ConfigUrls &configUrls,
-			 ConfigVariableResolver &configVarsResolver);
+			 ConfigVariableResolver &configVarsResolver, MapCache<TemplatePage> &pageCache);
-	/* TODO: returning this as a reference is by no means a risk free business,
+
-		because between requests, different vars can be set conditionally,
+	TemplatePage getPage(const std::string &pagename);
-		thus creating a mess
-	*/
-	TemplatePage &getPage(const std::string &pagename);
 
 	std::string renderSearch(const std::vector<std::string> &results,
 							 std::function<std::string(std::string)> callback) const;

templatepage.cpp

@@ -27,7 +27,7 @@ TemplatePage::TemplatePage()
 
 TemplatePage::TemplatePage(std::string content)
 {
-	this->content = content;
+	this->content = std::make_shared<std::string>(content);
 }
 
 void TemplatePage::setVar(const std::string &key, std::string value)
@@ -40,5 +40,5 @@ std::string TemplatePage::render() const
 	Varreplacer replacer("{qswiki:");
 	replacer.addResolver("var",
 						 [&](std::string_view key) { return utils::getKeyOrEmpty(this->varsMap, std::string(key)); });
-	return replacer.parse(this->content);
+	return replacer.parse(*this->content);
 }

templatepage.h

@@ -3,10 +3,11 @@
 #include <string>
 #include <string_view>
 #include <map>
+#include <memory>
 class TemplatePage
 {
   private:
-	std::string content;
+	std::shared_ptr<const std::string> content;
 	std::map<std::string, std::string> varsMap;
 
   public:

utils.cpp

@@ -46,6 +46,12 @@ std::string utils::html_xss(std::string_view str)
 		case '%':
 			result += "%";
 			break;
+		case '\'':
+			result += "'";
+			break;
+		case '&':
+			result += "&";
+			break;
 		default:
 			result += c;
 		}
@@ -78,7 +84,7 @@ std::string utils::urldecode(std::string_view str)
 	return result;
 }
 
-std::vector<std::string> utils::split(const std::string &str, char delim)
+std::vector<std::string> utils::split(std::string str, char delim)
 {
 	std::vector<std::string> result;
 	std::stringstream stream(str);
@@ -91,7 +97,7 @@ std::vector<std::string> utils::split(const std::string &str, char delim)
 }
 
 // TODO: can easily break if we pass a regex here
-std::vector<std::string> utils::split(const std::string &str, const std::string &delim)
+std::vector<std::string> utils::split(std::string str, const std::string &delim)
 {
 	std::regex regex{delim + "+"};
 	return split(str, regex);
@@ -106,7 +112,7 @@ std::vector<std::string> utils::split(const std::string &str, std::regex &regex)
 	return result;
 }
 
-std::string utils::strreplace(const std::string &str, const std::string &search, const std::string &replace)
+std::string utils::strreplace(std::string str, const std::string &search, const std::string &replace)
 {
 	std::string result = str;
 	auto searchlength = search.length();
@@ -175,3 +181,19 @@ std::string utils::toISODate(time_t t)
 	}
 	return std::string{result};
 }
+
+std::string utils::trim(std::string_view view)
+{
+	std::string_view chars = " \t\n\r";
+	auto n = view.find_first_not_of(chars);
+	if(n != std::string_view::npos)
+	{
+		view.remove_prefix(n);
+	}
+	n = view.find_last_not_of(chars);
+	if(n != std::string_view::npos)
+	{
+		view.remove_suffix(view.size() - n - 1);
+	}
+	return std::string{view};
+}

utils.h

@@ -8,25 +8,20 @@
 #include <map>
 #include <regex>
 #include <ctime>
+#include <limits>
 namespace utils
 {
 
-std::vector<std::string> split(const std::string &str, char delim);
+std::vector<std::string> split(std::string str, char delim);
-std::vector<std::string> split(const std::string &str, const std::string &delim);
+std::vector<std::string> split(std::string str, const std::string &delim);
 std::vector<std::string> split(const std::string &str, std::regex &regex);
 std::string urldecode(std::string_view str);
-std::string strreplace(const std::string &str, const std::string &search, const std::string &replace);
+std::string strreplace(std::string str, const std::string &search, const std::string &replace);
 
 std::string html_xss(std::string_view str);
 std::string getenv(const std::string &key);
 
-template <class T, class U> bool hasKey(const std::map<T, U> &map, T key)
+template <class T, class U> U getKeyOrEmpty(const std::map<T, U> &map, const T &key)
-{
-	auto k = map.find(key);
-	return k != map.end();
-}
-
-template <class T, class U> U getKeyOrEmpty(const std::map<T, U> &map, T key)
 {
 	auto k = map.find(key);
 	if(k != map.end())
@@ -36,7 +31,7 @@ template <class T, class U> U getKeyOrEmpty(const std::map<T, U> &map, T key)
 	return U();
 }
 
-template <class T, class U> U getKeyOrEmpty(std::multimap<T, U> map, T key)
+template <class T, class U> U getKeyOrEmpty(const std::multimap<T, U> &map, const T &key)
 {
 	auto k = map.find(key);
 	if(k != map.end())
@@ -46,7 +41,7 @@ template <class T, class U> U getKeyOrEmpty(std::multimap<T, U> map, T key)
 	return U();
 }
 
-template <class T, class U> std::vector<U> getAll(std::multimap<T, U> map, T key)
+template <class T, class U> std::vector<U> getAll(const std::multimap<T, U> &map, const T &key)
 {
 	std::vector<U> result;
 	auto range = map.equal_range(key);
@@ -93,5 +88,7 @@ template <class T> inline std::string toString(const T &v)
 	return std::string(v.begin(), v.end());
 }
 
+std::string trim(std::string_view view);
+
 } // namespace utils
 #endif

varreplacer.cpp

@@ -60,12 +60,12 @@ std::string Varreplacer::makeReplacement(std::string_view varkeyvalue)
 	std::string_view value;
 
 	std::tie(key, value) = extractKeyAndValue(varkeyvalue);
-	if(utils::hasKey(keyValues, key))
+	if(keyValues.contains(key))
 	{
 		std::string replacementContent = keyValues[key];
 		return replacementContent;
 	}
-	else if(utils::hasKey(resolverFunctionsMap, key))
+	else if(resolverFunctionsMap.contains(key))
 	{
 
 		auto resolver = this->resolverFunctionsMap[key];

version.cpp

@@ -0,0 +1,11 @@
+#include "version.h"
+
+std::string git_commit_id()
+{
+	return std::string(GITCOMMIT);
+}
+
+std::string get_version_string()
+{
+	return git_commit_id() + " Built: " + __DATE__ + " " + __TIME__;
+}

version.h

@@ -0,0 +1,7 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+#include <string>
+std::string git_commit_id();
+std::string get_version_string();
+#endif // VERSION_H