129 lines
3.5 KiB
C
129 lines
3.5 KiB
C
/*
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*
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* auth_mellon_session.c: an authentication apache module
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* Copyright © 2003-2007 UNINETT (http://www.uninett.no/)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "auth_mellon.h"
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/* This function gets the session associated with a user, using a cookie
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*
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* Parameters:
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* request_rec *r The request we received from the user.
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*
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* Returns:
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* The session associated with the user who places the request, or
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* NULL if we don't have a session yet.
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*/
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am_cache_entry_t *am_get_request_session(request_rec *r)
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{
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const char *session_id;
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/* Get session id from cookie. */
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session_id = am_cookie_get(r);
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if(session_id == NULL) {
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/* Cookie is unset - we don't have a session. */
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return NULL;
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}
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return am_cache_lock(r->server, AM_CACHE_SESSION, session_id);
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}
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/* This function gets the session associated with a user, using a NameID
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*
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* Parameters:
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* request_rec *r The request we received from the user.
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* char *nameid The NameID
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*
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* Returns:
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* The session associated with the user who places the request, or
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* NULL if we don't have a session yet.
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*/
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am_cache_entry_t *am_get_request_session_by_nameid(request_rec *r, char *nameid)
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{
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return am_cache_lock(r->server, AM_CACHE_NAMEID, nameid);
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}
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/* This function creates a new session.
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*
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* Parameters:
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* request_rec *r The request we are processing.
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*
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* Returns:
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* The new session, or NULL if we have an internal error.
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*/
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am_cache_entry_t *am_new_request_session(request_rec *r)
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{
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const char *session_id;
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/* Generate session id. */
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session_id = am_generate_id(r);
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if(session_id == NULL) {
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ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
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"Error creating session id.");
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return NULL;
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}
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/* Set session id. */
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am_cookie_set(r, session_id);
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return am_cache_new(r->server, session_id);
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}
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/* This function releases the session which was returned from
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* am_get_request_session.
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*
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* Parameters:
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* request_rec *r The request we are processing.
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* am_cache_entry_t *session The session we are releasing.
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*
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* Returns:
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* Nothing.
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*/
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void am_release_request_session(request_rec *r, am_cache_entry_t *session)
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{
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am_cache_unlock(r->server, session);
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}
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/* This function releases and deletes the session which was returned from
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* am_get_request_session.
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*
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* Parameters:
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* request_rec *r The request we are processing.
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* am_cache_entry_t *session The session we are deleting.
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*
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* Returns:
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* Nothing.
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*/
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void am_delete_request_session(request_rec *r, am_cache_entry_t *session)
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{
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/* Delete the cookie. */
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am_cookie_delete(r);
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if(session == NULL) {
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return;
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}
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/* Delete session from the session store. */
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am_cache_delete(r->server, session);
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}
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