path: root/calendar/common/authentication.c

/*
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <glib/gi18n.h>
#include <libedataserver/e-source.h>
#include <libedataserverui/e-passwords.h>
#include "authentication.h"
#include <libedataserver/e-url.h>

static GHashTable *source_lists_hash = NULL;

static char *
auth_func_cb (ECal *ecal, const char *prompt, const char *key, gpointer user_data)
{
    gboolean remember;
    char *password, *auth_domain;
    ESource *source;
    const gchar *component_name;

    source = e_cal_get_source (ecal);
    auth_domain = e_source_get_duped_property (source, "auth-domain");
    component_name = auth_domain ? auth_domain : "Calendar";
    password = e_passwords_get_password (component_name, key);

    if (!password)
        password = e_passwords_ask_password (_("Enter password"), component_name, key, prompt,
                             E_PASSWORDS_REMEMBER_FOREVER|E_PASSWORDS_SECRET|E_PASSWORDS_ONLINE,
                             &remember,
                             NULL);
    g_free (auth_domain);
    return password;
}

static char *
build_pass_key (ECal *ecal)
{
    char *euri_str;
    const char *uri;
    EUri *euri;

    uri = e_cal_get_uri (ecal);

    euri = e_uri_new (uri);
    euri_str = e_uri_to_string (euri, FALSE);

    e_uri_free (euri);
    return euri_str;
}

void 
auth_cal_forget_password (ECal *ecal)
{
    ESource *source = NULL;
    const char *auth_domain = NULL, *component_name = NULL,  *auth_type = NULL;
    char *key = NULL;

    source = e_cal_get_source (ecal);
    auth_domain = e_source_get_property (source, "auth-domain");
    component_name = auth_domain ? auth_domain : "Calendar";

    auth_type = e_source_get_property (source, "auth-type");
    if (auth_type)
        key = build_pass_key (ecal);
    else
        key = e_source_get_uri (source);

    e_passwords_forget_password (component_name, key);

    g_free (key);
}

ECal *
auth_new_cal_from_default (ECalSourceType type)
{
    ECal *ecal = NULL;

    if (!e_cal_open_default (&ecal, type, auth_func_cb, NULL, NULL))
        return NULL;


    return ecal;
}

ECal *
auth_new_cal_from_source (ESource *source, ECalSourceType type)
{
    ECal *cal;

    cal = e_cal_new (source, type);
    if (cal)
        e_cal_set_auth_func (cal, (ECalAuthFunc) auth_func_cb, NULL);

    return cal;
}

ECal *
auth_new_cal_from_uri (const char *uri, ECalSourceType type)
{
    ESourceGroup *group = NULL;
    ESource *source = NULL;
    ECal *cal;
    ESourceList *source_list = NULL;

    /* try to find the source in the source list in GConf */
    source_list = g_hash_table_lookup (source_lists_hash, &type);
    if (!source_list) {
        if (e_cal_get_sources (&source_list, type, NULL)) {
            if (!source_lists_hash)
                source_lists_hash = g_hash_table_new (g_int_hash, g_int_equal);

            g_hash_table_insert (source_lists_hash, &type, source_list);
        }
    }

    if (source_list) {
        GSList *gl;

        for (gl = e_source_list_peek_groups (source_list); gl != NULL && source == NULL; gl = gl->next) {
            GSList *sl;

            for (sl = e_source_group_peek_sources (gl->data); sl != NULL; sl = sl->next) {
                char *source_uri;

                source_uri = e_source_get_uri (sl->data);
                if (source_uri) {
                    if (!strcmp (source_uri, uri)) {
                        g_free (source_uri);
                        source = g_object_ref (sl->data);
                        break;
                    }

                    g_free (source_uri);
                }
            }
        }
    }

    if (!source) {
        group = e_source_group_new ("", uri);
        source = e_source_new ("", "");
        e_source_set_group (source, group);

        /* we explicitly check for groupwise:// uris, to force authentication on them */
        if (!strncmp (uri, "groupwise://", strlen ("groupwise://"))) {
            e_source_set_property (source, "auth", "1");
            e_source_set_property (source, "auth-domain", "Groupwise");
            /* FIXME: need to retrieve the username */
        }
    }

    cal = auth_new_cal_from_source (source, type);

    g_object_unref (source);
    if (group)
        g_object_unref (group);

    return cal;
}