pidgin/pidgin

merge of '77693555855fe9cd3215414f79964dba346cc5fa'
gaim
2008-11-12, Richard Laager
1966704b3e42
merge of '77693555855fe9cd3215414f79964dba346cc5fa'
and '19a87e98e5857ad0289f2c760d460f7f1dbbb42d'
/**
* gaim
*
* Gaim is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "internal.h"
#include "account.h"
#include "privacy.h"
#include "server.h"
#include "util.h"
static GaimPrivacyUiOps *privacy_ops = NULL;
gboolean
gaim_privacy_permit_add(GaimAccount *account, const char *who,
gboolean local_only)
{
GSList *l;
char *name;
GaimBuddy *buddy;
g_return_val_if_fail(account != NULL, FALSE);
g_return_val_if_fail(who != NULL, FALSE);
name = g_strdup(gaim_normalize(account, who));
for (l = account->permit; l != NULL; l = l->next) {
if (!gaim_utf8_strcasecmp(name, (char *)l->data))
break;
}
if (l != NULL)
{
g_free(name);
return FALSE;
}
account->permit = g_slist_append(account->permit, name);
if (!local_only && gaim_account_is_connected(account))
serv_add_permit(gaim_account_get_connection(account), who);
if (privacy_ops != NULL && privacy_ops->permit_added != NULL)
privacy_ops->permit_added(account, who);
gaim_blist_schedule_save();
/* This lets the UI know a buddy has had its privacy setting changed */
buddy = gaim_find_buddy(account, name);
if (buddy != NULL) {
gaim_signal_emit(gaim_blist_get_handle(),
"buddy-privacy-changed", buddy);
}
return TRUE;
}
gboolean
gaim_privacy_permit_remove(GaimAccount *account, const char *who,
gboolean local_only)
{
GSList *l;
const char *name;
GaimBuddy *buddy;
char *del;
g_return_val_if_fail(account != NULL, FALSE);
g_return_val_if_fail(who != NULL, FALSE);
name = gaim_normalize(account, who);
for (l = account->permit; l != NULL; l = l->next) {
if (!gaim_utf8_strcasecmp(name, (char *)l->data))
break;
}
if (l == NULL)
return FALSE;
/* We should not free l->data just yet. There can be occasions where
* l->data == who. In such cases, freeing l->data here can cause crashes
* later when who is used. */
del = l->data;
account->permit = g_slist_delete_link(account->permit, l);
if (!local_only && gaim_account_is_connected(account))
serv_rem_permit(gaim_account_get_connection(account), who);
if (privacy_ops != NULL && privacy_ops->permit_removed != NULL)
privacy_ops->permit_removed(account, who);
gaim_blist_schedule_save();
buddy = gaim_find_buddy(account, name);
if (buddy != NULL) {
gaim_signal_emit(gaim_blist_get_handle(),
"buddy-privacy-changed", buddy);
}
g_free(del);
return TRUE;
}
gboolean
gaim_privacy_deny_add(GaimAccount *account, const char *who,
gboolean local_only)
{
GSList *l;
char *name;
GaimBuddy *buddy;
g_return_val_if_fail(account != NULL, FALSE);
g_return_val_if_fail(who != NULL, FALSE);
name = g_strdup(gaim_normalize(account, who));
for (l = account->deny; l != NULL; l = l->next) {
if (!gaim_utf8_strcasecmp(name, gaim_normalize(account, (char *)l->data)))
break;
}
if (l != NULL)
{
g_free(name);
return FALSE;
}
account->deny = g_slist_append(account->deny, name);
if (!local_only && gaim_account_is_connected(account))
serv_add_deny(gaim_account_get_connection(account), who);
if (privacy_ops != NULL && privacy_ops->deny_added != NULL)
privacy_ops->deny_added(account, who);
gaim_blist_schedule_save();
buddy = gaim_find_buddy(account, name);
if (buddy != NULL) {
gaim_signal_emit(gaim_blist_get_handle(),
"buddy-privacy-changed", buddy);
}
return TRUE;
}
gboolean
gaim_privacy_deny_remove(GaimAccount *account, const char *who,
gboolean local_only)
{
GSList *l;
const char *normalized;
char *name;
GaimBuddy *buddy;
g_return_val_if_fail(account != NULL, FALSE);
g_return_val_if_fail(who != NULL, FALSE);
normalized = gaim_normalize(account, who);
for (l = account->deny; l != NULL; l = l->next) {
if (!gaim_utf8_strcasecmp(normalized, (char *)l->data))
break;
}
buddy = gaim_find_buddy(account, normalized);
if (l == NULL)
return FALSE;
name = l->data;
account->deny = g_slist_delete_link(account->deny, l);
if (!local_only && gaim_account_is_connected(account))
serv_rem_deny(gaim_account_get_connection(account), name);
if (privacy_ops != NULL && privacy_ops->deny_removed != NULL)
privacy_ops->deny_removed(account, who);
if (buddy != NULL) {
gaim_signal_emit(gaim_blist_get_handle(),
"buddy-privacy-changed", buddy);
}
g_free(name);
gaim_blist_schedule_save();
return TRUE;
}
/* This makes sure that only all the buddies are in the permit list. */
static void
add_buddies_in_permit(GaimAccount *account, gboolean local)
{
GSList *list, *iter;
/* Remove anyone in the permit list who is not in the buddylist */
for (list = account->permit; list != NULL; ) {
char *person = list->data;
list = list->next;
if (!gaim_find_buddy(account, person))
gaim_privacy_permit_remove(account, person, local);
}
/* Now make sure everyone in the buddylist is in the permit list */
for (iter = list = gaim_find_buddies(account, NULL); iter; iter = iter->next) {
GaimBuddy *buddy = iter->data;
if (!g_slist_find_custom(account->permit, buddy->name, (GCompareFunc)g_utf8_collate))
gaim_privacy_permit_add(account, buddy->name, local);
}
g_slist_free(list);
}
void
gaim_privacy_allow(GaimAccount *account, const char *who, gboolean local,
gboolean restore)
{
GSList *list;
switch (account->perm_deny) {
case GAIM_PRIVACY_ALLOW_ALL:
return;
case GAIM_PRIVACY_ALLOW_USERS:
gaim_privacy_permit_add(account, who, local);
break;
case GAIM_PRIVACY_DENY_USERS:
gaim_privacy_deny_remove(account, who, local);
break;
case GAIM_PRIVACY_DENY_ALL:
if (!restore) {
/* Empty the allow-list. */
for (list = account->permit; list != NULL;) {
char *who = list->data;
list = list->next;
gaim_privacy_permit_remove(account, who, local);
}
}
gaim_privacy_permit_add(account, who, local);
account->perm_deny = GAIM_PRIVACY_ALLOW_USERS;
break;
case GAIM_PRIVACY_ALLOW_BUDDYLIST:
if (!gaim_find_buddy(account, who)) {
add_buddies_in_permit(account, local);
gaim_privacy_permit_add(account, who, local);
account->perm_deny = GAIM_PRIVACY_ALLOW_USERS;
}
break;
default:
g_return_if_reached();
}
}
void
gaim_privacy_deny(GaimAccount *account, const char *who, gboolean local,
gboolean restore)
{
GSList *list;
switch (account->perm_deny) {
case GAIM_PRIVACY_ALLOW_ALL:
if (!restore) {
/* Empty the deny-list. */
for (list = account->deny; list != NULL; ) {
char *person = list->data;
list = list->next;
gaim_privacy_deny_remove(account, person, local);
}
}
gaim_privacy_deny_add(account, who, local);
account->perm_deny = GAIM_PRIVACY_DENY_USERS;
break;
case GAIM_PRIVACY_ALLOW_USERS:
gaim_privacy_permit_remove(account, who, local);
break;
case GAIM_PRIVACY_DENY_USERS:
gaim_privacy_deny_add(account, who, local);
break;
case GAIM_PRIVACY_DENY_ALL:
break;
case GAIM_PRIVACY_ALLOW_BUDDYLIST:
if (gaim_find_buddy(account, who)) {
add_buddies_in_permit(account, local);
gaim_privacy_permit_remove(account, who, local);
account->perm_deny = GAIM_PRIVACY_ALLOW_USERS;
}
break;
default:
g_return_if_reached();
}
}
gboolean
gaim_privacy_check(GaimAccount *account, const char *who)
{
GSList *list;
switch (account->perm_deny) {
case GAIM_PRIVACY_ALLOW_ALL:
return TRUE;
case GAIM_PRIVACY_DENY_ALL:
return FALSE;
case GAIM_PRIVACY_ALLOW_USERS:
who = gaim_normalize(account, who);
for (list=account->permit; list!=NULL; list=list->next) {
if (!gaim_utf8_strcasecmp(who, (char *)list->data))
return TRUE;
}
return FALSE;
case GAIM_PRIVACY_DENY_USERS:
who = gaim_normalize(account, who);
for (list=account->deny; list!=NULL; list=list->next) {
if (!gaim_utf8_strcasecmp(who, (char *)list->data ))
return FALSE;
}
return TRUE;
case GAIM_PRIVACY_ALLOW_BUDDYLIST:
return (gaim_find_buddy(account, who) != NULL);
default:
g_return_val_if_reached(TRUE);
}
}
void
gaim_privacy_set_ui_ops(GaimPrivacyUiOps *ops)
{
privacy_ops = ops;
}
GaimPrivacyUiOps *
gaim_privacy_get_ui_ops(void)
{
return privacy_ops;
}
void
gaim_privacy_init(void)
{
}