libtransport.git Changeset - 7ca6c5d88f3f

Changeset - 7ca6c5d88f3f

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Jan Kaluza - 10 years ago 2016-01-22 13:54:59
jkaluza@redhat.com

Web interface: Allow registering new user accounts also to regular clients

1 file changed with 2 insertions and 2 deletions:

spectrum_manager/src/server.cpp

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spectrum_manager/src/server.cpp

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 static void my_strlcpy(char *dst, const char *src, size_t len) {
   strncpy(dst, src, len);
   dst[len - 1] = '\0';
+}
 // Generate session ID. buf must be 33 bytes in size.
 // Note that it is easy to steal session cookies by sniffing traffic.
 // This is why all communication must be SSL-ed.
 static void generate_session_id(char *buf, const char *random,
                                 const char *user) {
   cs_md5(buf, random, strlen(random), user, strlen(user), NULL);
+}
 static void _event_handler(struct mg_connection *nc, int ev, void *p) {
 	static_cast<Server *>(nc->mgr->user_data)->event_handler(nc, ev, p);
+}
 Server::Server(ManagerConfig *config, const std::string &config_file) {
 	srand((unsigned) time(0));
 	m_config = config;
 	m_user = CONFIG_STRING(m_config, "service.admin_username");
 	m_password = CONFIG_STRING(m_config, "service.admin_password");
 	mg_mgr_init(&m_mgr, this);
 	struct mg_bind_opts opts;
 	memset(&opts, 0, sizeof(opts));
 	const char *error_string;
 	opts.error_string = &error_string;
 	m_nc = mg_bind_opt(&m_mgr, std::string(":" + boost::lexical_cast<std::string>(CONFIG_INT(m_config, "service.port"))).c_str(), &_event_handler, opts);
 	if (!m_nc) {
 		std::cerr << "Error creating server: " << error_string << "\n";
 		exit(1);
+	}
 	if (!CONFIG_STRING(m_config, "service.cert").empty()) {
 		const char *err_str = mg_set_ssl(m_nc, CONFIG_STRING(m_config, "service.cert").c_str(), NULL);
 		if (err_str) {
 			std::cerr << "Error setting SSL certificate: " << err_str << "\n";
 			exit(1);
+		}
+	}
 	mg_set_protocol_http_websocket(m_nc);
 	s_http_server_opts.document_root = CONFIG_STRING(m_config, "service.data_dir").c_str();
 	std::ifstream header(std::string(CONFIG_STRING(m_config, "service.data_dir") + "/header.html").c_str(), std::ios::in);
 	if (header) {
 		header.seekg(0, std::ios::end);
 		m_header.resize(header.tellg());
 		header.seekg(0, std::ios::beg);
 		header.read(&m_header[0], m_header.size());
 		header.close();
+	}
 	std::ifstream footer(std::string(CONFIG_STRING(m_config, "service.data_dir") + "/footer.html").c_str(), std::ios::in);
 	if (footer) {
 		footer.seekg(0, std::ios::end);
 		m_footer.resize(footer.tellg());
 		footer.seekg(0, std::ios::beg);
 		footer.read(&m_footer[0], m_footer.size());
 		footer.close();
+	}
 	m_storageCfg = new Config();
 	m_storageCfg->load(config_file);
 	Logging::initManagerLogging(m_storageCfg);
 	std::string error;
 	m_storage = StorageBackend::createBackend(m_storageCfg, error);
 	if (m_storage == NULL) {
 		std::cerr << "Error creating StorageBackend! " << error << "\n";
 		std::cerr << "Registering new Spectrum 2 manager users won't work" << "\n";
+	}
 	else if (!m_storage->connect()) {
 		delete m_storage;
 		m_storage = NULL;
 		std::cerr << "Can't connect to database!\n";
+	}
 	m_apiServer = new APIServer(config, m_storage);
+}
 Server::~Server() {
 	delete m_apiServer;
 	mg_mgr_free(&m_mgr);
 	if (m_storage) {
 		delete m_storage;
+	}
 	delete m_storageCfg;
+}
 bool Server::start() {
 	for (;;) {
 		mg_mgr_poll(&m_mgr, 1000);
+	}
 	return true;
+}
 bool Server::check_password(const std::string &user, const std::string &password) {
 	if (m_user == user && m_password == password) {
 		return true;
+	}
 	UserInfo info;
 	if (m_storage && m_storage->getUser(user, info) == true && info.password == password) {
 		return true;
+	}
 	return false;
+}
 // Allocate new session object
 Server::session *Server::new_session(const std::string &user) {
 	Server::session *session = new Server::session;
 	my_strlcpy(session->user, user.c_str(), sizeof(session->user));
 	snprintf(session->random, sizeof(session->random), "%d", rand());
 	generate_session_id(session->session_id, session->random, session->user);
 	session->expire = time(0) + SESSION_TTL;
 	session->admin = std::string(user) == m_user;
 	sessions[session->session_id] = session;
 	return session;
+}
 // Get session object for the connection. Caller must hold the lock.
 Server::session *Server::get_session(struct http_message *hm) {
 	time_t now = time(NULL);
 	char session_id[255];
 	struct mg_str *hdr = mg_get_http_header(hm, "Cookie");
 	int len = mg_http_parse_header(hdr, "session", session_id, sizeof(session_id));
 	session_id[len] = 0;
 	if (sessions.find(session_id) == sessions.end()) {
 		return NULL;
+	}
 	if (sessions[session_id]->expire != 0 && sessions[session_id]->expire > now) {
 		return sessions[session_id];
+	}
 	return NULL;
+}
 void Server::authorize(struct mg_connection *conn, struct http_message *hm) {
 	Server::session *session;
 	std::string user = get_http_var(hm, "user");
 	std::string password = get_http_var(hm, "password");
 	std::string host;
 	mg_str *host_hdr = mg_get_http_header(hm, "Host");
 	if (host_hdr) {
 		if (!CONFIG_STRING(m_config, "service.cert").empty()) {
 			host += "https://";
+		}
 		else {
 			host += "http://";
+		}
 		host += std::string(host_hdr->p, host_hdr->len);
+	}
 	if (check_password(user, password) && (session = new_session(user)) != NULL) {
 		std::cout << "User authorized\n";
 		mg_printf(conn, "HTTP/1.1 302 Found\r\n"
 			"Set-Cookie: session=%s; max-age=3600; http-only\r\n"  // Session ID
 			"Set-Cookie: user=%s\r\n"  // Set user, needed by Javascript code
 			"Set-Cookie: admin=%s\r\n"  // Set user, needed by Javascript code
 			"Set-Cookie: base_location=%s\r\n"  // Set user, needed by Javascript code
 			"Set-Cookie: original_url=/; max-age=0\r\n"  // Delete original_url
 			"Location: %s%sinstances\r\n\r\n",
 			session->session_id, session->user, session->admin ? "1" : "0", CONFIG_STRING(m_config, "service.base_location").c_str(), host.c_str(), CONFIG_STRING(m_config, "service.base_location").c_str());
 	} else {
 		// Authentication failure, redirect to login.
 		redirect_to(conn, hm, "/login");
+	}
+}
 bool Server::is_authorized(const struct mg_connection *conn, struct http_message *hm) {
 	Server::session *session;
 	char valid_id[33];
 	bool authorized = false;
 	// Always authorize accesses to login page and to authorize URI
 	if (!mg_vcmp(&hm->uri, "/login") ||
 		!mg_vcmp(&hm->uri, "/login/") ||
 		!mg_vcmp(&hm->uri, "/form.css") ||
 		!mg_vcmp(&hm->uri, "/style.css") ||
 		!mg_vcmp(&hm->uri, "/logo.png") ||
 		!mg_vcmp(&hm->uri, "/users") ||
 		!mg_vcmp(&hm->uri, "/users/add") ||
 		!mg_vcmp(&hm->uri, "/users/register.shtml") ||
 		!mg_vcmp(&hm->uri, "/api/v1/users/add") ||
 		!mg_vcmp(&hm->uri, "/authorize")) {
 		return true;
+	}
 	if ((session = get_session(hm)) != NULL) {
 		generate_session_id(valid_id, session->random, session->user);
 		if (strcmp(valid_id, session->session_id) == 0) {
 			session->expire = time(0) + SESSION_TTL;
 			authorized = true;
+		}
+	}
 	return authorized;
+}
 void Server::redirect_to(struct mg_connection *conn, struct http_message *hm, const char *where) {
 	std::string host;
 	mg_str *host_hdr = mg_get_http_header(hm, "Host");
 	if (host_hdr) {
 		if (!CONFIG_STRING(m_config, "service.cert").empty()) {
 			host += "https://";
+		}
 		else {
 			host += "http://";
+		}
 		host += std::string(host_hdr->p, host_hdr->len);
+	}
 	where = where + 1;
 	mg_printf(conn, "HTTP/1.1 302 Found\r\n"
 		"Set-Cookie: original_url=/\r\n"
 		"Location: %s%s%s\r\n\r\n", host.c_str(), CONFIG_STRING(m_config, "service.base_location").c_str(), where);
+}
 void Server::print_html(struct mg_connection *conn, struct http_message *hm, const std::string &html) {
 	mg_printf(conn,
 			"HTTP/1.1 200 OK\r\n"
 			"Content-Type: text/html\r\n"
 			"Content-Length: %d\r\n"        // Always set Content-Length
 			"\r\n"
 			"%s%s%s",
 			(int) html.size() + m_header.size() + m_footer.size(), m_header.c_str(), html.c_str(), m_footer.c_str());
+}
 std::string Server::send_command(const std::string &jid, const std::string &cmd) {
 	Swift::SimpleEventLoop eventLoop;
 	Swift::BoostNetworkFactories networkFactories(&eventLoop);
 	ask_local_server(m_config, networkFactories, jid, cmd);
 	struct timeval td_start,td_end;
 	float elapsed = 0;
 	gettimeofday(&td_start, NULL);
 	gettimeofday(&td_end, NULL);
 	time_t started = time(NULL);
 	while(get_response().empty() && td_end.tv_sec - td_start.tv_sec < 1) {
 		gettimeofday(&td_end, NULL);
 		eventLoop.runOnce();
+	}
 	std::string response = get_response();
 	if (response == "Empty response") {
 		return "";
+	}
 	return response;
+}
 // void Server::serve_onlineusers(struct mg_connection *conn, struct http_message *hm) {
 // 	Server:session *session = get_session(hm);
 // 	if (!session->admin) {
 // 		redirect_to(conn, hm, "/");
 // 		return;
 // 	}
 //
 // 	std::string html;
 // 	std::string jid = get_http_var(hm, "jid");
 //
 // 	html += std::string("<h2>") + jid + " online users</h2><table><tr><th>JID<th>Command</th></tr>";
 //
 // 	Swift::SimpleEventLoop eventLoop;
 // 	Swift::BoostNetworkFactories networkFactories(&eventLoop);
 //
 // 	ask_local_server(m_config, networkFactories, jid, "online_users");
 // 	eventLoop.runUntilEvents();
 // 	while(get_response().empty()) {
 // 		eventLoop.runUntilEvents();
 // 	}
 //
 // 	std::string response = get_response();
 // 	std::vector<std::string> users;
 // 	boost::split(users, response, boost::is_any_of("\n"));
 //
 // 	BOOST_FOREACH(std::string &user, users) {
 // 		html += "<tr><td>" + user + "</td><td></td></tr>";
 // 	}
 //
 // 	html += "</table><a href=\"/\">Back to main page</a>";
 // 	html += "</body></html>";
 // 	print_html(conn, hm, html);
 // }
 //
 // void Server::serve_cmd(struct mg_connection *conn, struct http_message *hm) {
 // 	Server:session *session = get_session(hm);
 // 	if (!session->admin) {
 // 		redirect_to(conn, hm, "/");
 // 		return;
 // 	}
 //
 // 	std::string html;
 // 	std::string jid = get_http_var(hm, "jid");
 // 	std::string cmd = get_http_var(hm, "cmd");
 //
 // 	html += std::string("<h2>") + jid + " command result</h2>";
 //
 // 	Swift::SimpleEventLoop eventLoop;
 // 	Swift::BoostNetworkFactories networkFactories(&eventLoop);
 //
 // 	ask_local_server(m_config, networkFactories, jid, cmd);
 // 	while(get_response().empty()) {
 // 		eventLoop.runUntilEvents();
 // 	}
 //
 // 	std::string response = get_response();
 //
 // 	html += "<pre>" + response + "</pre>";
 //
 // 	html += "<a href=\"/\">Back to main page</a>";
 // 	html += "</body></html>";
 // 	print_html(conn, hm, html);
 // }
 void Server::serve_logout(struct mg_connection *conn, struct http_message *hm) {
 	std::string host;
 	mg_str *host_hdr = mg_get_http_header(hm, "Host");
 	if (host_hdr) {
 		if (!CONFIG_STRING(m_config, "service.cert").empty()) {
 			host += "https://";
+		}
 		else {
 			host += "http://";
+		}
 		host += std::string(host_hdr->p, host_hdr->len);
+	}
 	Server:session *session = get_session(hm);
 	mg_printf(conn, "HTTP/1.1 302 Found\r\n"
 		"Set-Cookie: session=%s; max-age=0\r\n"
 		"Set-Cookie: admin=%s; max-age=0\r\n"
 		"Location: %s%s\r\n\r\n",
 		session->session_id, session->admin ? "1" : "0", host.c_str(), CONFIG_STRING(m_config, "service.base_location").c_str());
 	sessions.erase(session->session_id);
 	delete session;
+}
 void Server::serve_oauth2(struct mg_connection *conn, struct http_message *hm) {
 // 	http://slack.spectrum.im/oauth2/localhostxmpp?code=14830663267.19140123492.e7f78a836d&state=534ab3b6-8bf1-4974-8274-847df8490bc5
 	std::cout << "OAUTH2 handler\n";
+}
 void Server::event_handler(struct mg_connection *conn, int ev, void *p) {
 	struct http_message *hm = (struct http_message *) p;
 	if (ev == MG_EV_SSI_CALL) {
 		mbuf_resize(&conn->send_mbuf, conn->send_mbuf.size * 2);
 		std::string resp(conn->send_mbuf.buf, conn->send_mbuf.len);
 		boost::replace_all(resp, "href=\"/", std::string("href=\"") + CONFIG_STRING(m_config, "service.base_location"));
 		boost::replace_all(resp, "src=\"/", std::string("src=\"") + CONFIG_STRING(m_config, "service.base_location"));
 		boost::replace_all(resp, "action=\"/", std::string("action=\"") + CONFIG_STRING(m_config, "service.base_location"));
 		strcpy(conn->send_mbuf.buf, resp.c_str());
 		mbuf_trim(&conn->send_mbuf);
 		return;
+	}
 	if (ev != MG_EV_HTTP_REQUEST) {
 		return;
+	}
 	hm->uri.p += CONFIG_STRING(m_config, "service.base_location").size() - 1;
 	hm->uri.len -= CONFIG_STRING(m_config, "service.base_location").size() - 1;
 	if (!is_authorized(conn, hm)) {
 		redirect_to(conn, hm, "/login");
 	} else if (mg_vcmp(&hm->uri, "/authorize") == 0) {
 		authorize(conn, hm);
 	} else if (mg_vcmp(&hm->uri, "/logout") == 0) {
 		serve_logout(conn, hm);
 // 	} else if (mg_vcmp(&hm->uri, "/users") == 0) {
 // 		serve_users(conn, hm);
 // 	} else if (mg_vcmp(&hm->uri, "/users/add") == 0) {

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