diff options
Diffstat (limited to 'src/manager/lib/session.c')
| -rw-r--r-- | src/manager/lib/session.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/manager/lib/session.c b/src/manager/lib/session.c new file mode 100644 index 000000000..fe260b887 --- /dev/null +++ b/src/manager/lib/session.c @@ -0,0 +1,175 @@ +/** + * @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, request_t *request) +{ + char buf[16]; + chunk_t chunk = chunk_from_buf(buf); + randomizer_t *randomizer = randomizer_create(); + + randomizer->get_pseudo_random_bytes(randomizer, sizeof(buf), buf); + this->sid = chunk_to_hex(chunk, FALSE); + request->add_cookie(request, "SID", this->sid); + randomizer->destroy(randomizer); +} + +/** + * Implementation of session_t.process. + */ +static void process(private_session_t *this, request_t *request) +{ + char *pos, *start, *param[6] = {NULL, NULL, NULL, NULL, NULL, NULL}; + iterator_t *iterator; + bool handled = FALSE; + controller_t *current; + int i = 0; + + if (this->sid == NULL) + { + create_sid(this, request); + } + + start = request->get_path(request); + if (start) + { + if (*start == '/') start++; + while ((pos = strchr(start, '/')) != NULL && i < 5) + { + param[i++] = strndup(start, pos - start); + start = pos + 1; + } + param[i] = strdup(start); + iterator = this->controllers->create_iterator(this->controllers, TRUE); + while (iterator->iterate(iterator, (void**)¤t)) + { + if (streq(current->get_name(current), param[0])) + { + current->handle(current, request, param[1], param[2], param[3], + param[4], param[5]); + handled = TRUE; + break; + } + } + iterator->destroy(iterator); + for (i = 0; i < 6; i++) + { + free(param[i]); + } + } + if (!handled) + { + if (this->controllers->get_first(this->controllers, + (void**)¤t) == SUCCESS) + { + request->redirect(request, current->get_name(current)); + } + } +} + +/** + * 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*))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; +} + |