first revision of new manager webapp

2007-09-11 15:22:02 +00:00
parent f0c156fbc9
commit 965e99b5bf
36 changed files with 3517 additions and 0 deletions
@@ -0,0 +1,185 @@
+/**
+ * @file session.c
+ *
+ * @brief Implementation of session_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2007 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#define _GNU_SOURCE
+
+#include "session.h"
+
+#include <string.h>
+#include <fcgiapp.h>
+#include <stdio.h>
+
+#include <utils/linked_list.h>
+#include <utils/randomizer.h>
+
+typedef struct private_session_t private_session_t;
+
+/**
+ * private data of the task manager
+ */
+struct private_session_t {
+
+	/**
+	 * public functions
+	 */
+	session_t public;
+	
+	/**
+	 * session ID
+	 */
+	char *sid;
+	
+	/**
+	 * list of controller instances controller_t
+	 */
+	linked_list_t *controllers;
+	
+	/**
+	 * user defined session context
+	 */
+	context_t *context;
+};
+
+/**
+ * Implementation of session_t.load_controller.
+ */
+static void add_controller(private_session_t *this, controller_t *controller)
+{
+	this->controllers->insert_last(this->controllers, controller);
+}
+
+/**
+ * Create a session ID and a cookie
+ */
+static void create_sid(private_session_t *this, response_t *response)
+{
+	char buf[16];
+	chunk_t chunk = chunk_from_buf(buf);
+	randomizer_t *randomizer = randomizer_create();
+	
+	randomizer->get_pseudo_random_bytes(randomizer, sizeof(buf), buf);
+	asprintf(&this->sid, "%#B", &chunk);
+	response->add_cookie(response, "SID", this->sid);
+	randomizer->destroy(randomizer);
+}
+
+/**
+ * Implementation of session_t.process.
+ */
+static void process(private_session_t *this,
+					request_t *request, response_t *response)
+{
+	char *pos, *path, *controller, *action;
+	iterator_t *iterator;
+	bool handled = FALSE;
+	controller_handler_t handler;
+	controller_t *current;
+	
+	if (this->sid == NULL)
+	{
+		create_sid(this, response);
+	}
+	
+	path = request->get_path(request);
+	if (*path == '/') path++;
+	pos = strchr(path, '/');
+	if (pos == NULL)
+	{
+		controller = strdup(path);
+		action = strdup("");
+	}
+	else
+	{
+		controller = strndup(path, pos - path);
+		path = pos + 1;
+		pos = strchr(path, '/');
+		if (pos == NULL)
+		{
+			action = strdup(path);
+		}
+		else
+		{
+			action = strndup(path, pos - path);
+		}
+	}
+	iterator = this->controllers->create_iterator(this->controllers, TRUE);
+	while (iterator->iterate(iterator, (void**)&current))
+	{
+		if (streq(current->get_name(current), controller))
+		{	
+			handler = current->get_handler(current, action);
+			if (handler)
+			{
+				handler(current, request, response);
+				handled = TRUE;
+			}
+			break;
+		}
+	}
+	iterator->destroy(iterator);
+	free(controller);
+	free(action);
+	if (!handled)
+	{
+		response->add_header(response, "Status", "400 Not Found");
+		response->printf(response, "<html><body><h1>Not Found</h1></body></html>\n");
+	}
+}
+
+/**
+ * Implementation of session_t.get_sid.
+ */
+static char* get_sid(private_session_t *this)
+{
+	return this->sid;
+}
+
+/**
+ * Implementation of session_t.destroy
+ */
+static void destroy(private_session_t *this)
+{
+	this->controllers->destroy_offset(this->controllers, offsetof(controller_t, destroy));
+	if (this->context) this->context->destroy(this->context);
+	free(this->sid);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+session_t *session_create(context_t *context)
+{
+	private_session_t *this = malloc_thing(private_session_t);
+
+	this->public.add_controller = (void(*)(session_t*, controller_t*))add_controller;
+	this->public.process = (void(*)(session_t*, request_t*,response_t*))process;
+	this->public.get_sid = (char*(*)(session_t*))get_sid;
+	this->public.destroy = (void(*)(session_t*))destroy;
+
+	this->sid = NULL;
+	this->controllers = linked_list_create();
+	this->context = context;
+	
+	return &this->public;
+}
+