pidgin/pidgin

IRCv3: Set the SASL login name to the current nick if not set during connection

This _should_ help users make sure they authenticate as the correct user. They
are still able to manually specify a SASL Login Name, but if it isn't set when
a connection is attempted, it will be set to the nick defined on the account.

This should also fix the scenario where a user is adding the account to Pidgin
but already has the same account connected because the login name will be the
nick they entered not the one that's chosen if there's a nick collision.

Testing Done:
Connected an IRCv3 account with the `SASL Login Name` unset and verified it was set after connecting. Then set the `SASL Login Name` to something else, attempted connection, verified a SASL failure and verified that the `SASL Login Name` changed persisted.

Reviewed at https://reviews.imfreedom.org/r/2329/
/*
* Purple - Internet Messaging Library
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* This library 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) any later version.
*
* This library 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 this library; if not, see <https://www.gnu.org/licenses/>.
*/
#include <purpleconversationmanager.h>
#include <purplechatconversation.h>
#include <purpleimconversation.h>
#include <purpleprivate.h>
enum {
SIG_REGISTERED,
SIG_UNREGISTERED,
N_SIGNALS,
};
static guint signals[N_SIGNALS] = {0, };
struct _PurpleConversationManager {
GObject parent;
GHashTable *conversations;
};
static PurpleConversationManager *default_manager = NULL;
G_DEFINE_TYPE(PurpleConversationManager, purple_conversation_manager,
G_TYPE_OBJECT)
typedef gboolean (*PurpleConversationManagerCompareFunc)(PurpleConversation *conversation, gpointer userdata);
/******************************************************************************
* Helpers
*****************************************************************************/
static gboolean
purple_conversation_is_im(PurpleConversation *conversation,
G_GNUC_UNUSED gpointer userdata)
{
return PURPLE_IS_IM_CONVERSATION(conversation);
}
static gboolean
purple_conversation_is_chat(PurpleConversation *conversation,
G_GNUC_UNUSED gpointer userdata)
{
return PURPLE_IS_CHAT_CONVERSATION(conversation);
}
static gboolean
purple_conversation_chat_has_id(PurpleConversation *conversation,
gpointer userdata)
{
PurpleChatConversation *chat = NULL;
gint id = GPOINTER_TO_INT(userdata);
if(!PURPLE_IS_CHAT_CONVERSATION(conversation)) {
return FALSE;
}
chat = PURPLE_CHAT_CONVERSATION(conversation);
return (purple_chat_conversation_get_id(chat) == id);
}
static PurpleConversation *
purple_conversation_manager_find_internal(PurpleConversationManager *manager,
PurpleAccount *account,
const gchar *name,
PurpleConversationManagerCompareFunc func,
gpointer userdata)
{
GHashTableIter iter;
gpointer key;
g_return_val_if_fail(PURPLE_IS_ACCOUNT(account), NULL);
g_hash_table_iter_init(&iter, manager->conversations);
while(g_hash_table_iter_next(&iter, &key, NULL)) {
PurpleConversation *conversation = PURPLE_CONVERSATION(key);
if(name != NULL) {
const gchar *conv_name = purple_conversation_get_name(conversation);
if(!purple_strequal(conv_name, name)) {
continue;
}
}
if(purple_conversation_get_account(conversation) != account) {
continue;
}
if(func != NULL && !func(conversation, userdata)) {
continue;
}
return conversation;
}
return NULL;
}
/******************************************************************************
* GObject Implementation
*****************************************************************************/
static void
purple_conversation_manager_init(PurpleConversationManager *manager) {
manager->conversations = g_hash_table_new_full(g_direct_hash,
g_direct_equal,
g_object_unref, NULL);
}
static void
purple_conversation_manager_finalize(GObject *obj) {
PurpleConversationManager *manager = PURPLE_CONVERSATION_MANAGER(obj);
g_hash_table_destroy(manager->conversations);
G_OBJECT_CLASS(purple_conversation_manager_parent_class)->finalize(obj);
}
static void
purple_conversation_manager_class_init(PurpleConversationManagerClass *klass) {
GObjectClass *obj_class = G_OBJECT_CLASS(klass);
obj_class->finalize = purple_conversation_manager_finalize;
/**
* PurpleConversationManager::registered:
* @manager: The manager.
* @conversation: The conversation that was registered.
*
* Emitted after @conversation has been registered with @manager.
*
* Since: 3.0.0
*/
signals[SIG_REGISTERED] = g_signal_new_class_handler(
"registered",
G_OBJECT_CLASS_TYPE(klass),
G_SIGNAL_RUN_LAST,
NULL,
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
PURPLE_TYPE_CONVERSATION);
/**
* PurpleConversationManager::unregistered:
* @manager: The manager.
* @conversation: The conversation that was unregistered.
*
* Emitted after @conversation has been unregistered from @manager.
*
* Since: 3.0.0
*/
signals[SIG_UNREGISTERED] = g_signal_new_class_handler(
"unregistered",
G_OBJECT_CLASS_TYPE(klass),
G_SIGNAL_RUN_LAST,
NULL,
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
PURPLE_TYPE_CONVERSATION);
}
/******************************************************************************
* Private API
*****************************************************************************/
void
purple_conversation_manager_startup(void) {
if(default_manager == NULL) {
default_manager = g_object_new(PURPLE_TYPE_CONVERSATION_MANAGER, NULL);
}
}
void
purple_conversation_manager_shutdown(void) {
g_clear_object(&default_manager);
}
/******************************************************************************
* Public API
*****************************************************************************/
PurpleConversationManager *
purple_conversation_manager_get_default(void) {
return default_manager;
}
gboolean
purple_conversation_manager_register(PurpleConversationManager *manager,
PurpleConversation *conversation)
{
gboolean registered = FALSE;
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), FALSE);
g_return_val_if_fail(PURPLE_IS_CONVERSATION(conversation), FALSE);
/* g_hash_table_add calls the key_destroy_func if the key already exists
* which means we don't need to worry about the reference we're creating
* during the addition.
*/
registered = g_hash_table_add(manager->conversations,
g_object_ref(conversation));
if(registered) {
g_signal_emit(manager, signals[SIG_REGISTERED], 0, conversation);
}
return registered;
}
gboolean
purple_conversation_manager_unregister(PurpleConversationManager *manager,
PurpleConversation *conversation)
{
gboolean unregistered = FALSE;
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), FALSE);
g_return_val_if_fail(PURPLE_IS_CONVERSATION(conversation), FALSE);
unregistered = g_hash_table_remove(manager->conversations, conversation);
if(unregistered) {
g_signal_emit(manager, signals[SIG_UNREGISTERED], 0, conversation);
}
return unregistered;
}
gboolean
purple_conversation_manager_is_registered(PurpleConversationManager *manager,
PurpleConversation *conversation)
{
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), FALSE);
g_return_val_if_fail(PURPLE_IS_CONVERSATION(conversation), FALSE);
return g_hash_table_contains(manager->conversations, conversation);
}
void
purple_conversation_manager_foreach(PurpleConversationManager *manager,
PurpleConversationManagerForeachFunc func,
gpointer data)
{
GHashTableIter iter;
gpointer key;
g_return_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager));
g_return_if_fail(func != NULL);
g_hash_table_iter_init(&iter, manager->conversations);
while(g_hash_table_iter_next(&iter, &key, NULL)) {
func(PURPLE_CONVERSATION(key), data);
}
}
GList *
purple_conversation_manager_get_all(PurpleConversationManager *manager) {
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), NULL);
return g_hash_table_get_keys(manager->conversations);
}
PurpleConversation *
purple_conversation_manager_find(PurpleConversationManager *manager,
PurpleAccount *account, const gchar *name)
{
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), NULL);
g_return_val_if_fail(PURPLE_IS_ACCOUNT(account), NULL);
g_return_val_if_fail(name != NULL, NULL);
return purple_conversation_manager_find_internal(manager, account, name,
NULL, NULL);
}
PurpleConversation *
purple_conversation_manager_find_im(PurpleConversationManager *manager,
PurpleAccount *account, const gchar *name)
{
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), NULL);
g_return_val_if_fail(PURPLE_IS_ACCOUNT(account), NULL);
g_return_val_if_fail(name != NULL, NULL);
return purple_conversation_manager_find_internal(manager, account, name,
purple_conversation_is_im,
NULL);
}
PurpleConversation *
purple_conversation_manager_find_chat(PurpleConversationManager *manager,
PurpleAccount *account,
const gchar *name)
{
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), NULL);
g_return_val_if_fail(PURPLE_IS_ACCOUNT(account), NULL);
g_return_val_if_fail(name != NULL, NULL);
return purple_conversation_manager_find_internal(manager, account, name,
purple_conversation_is_chat,
NULL);
}
PurpleConversation *
purple_conversation_manager_find_chat_by_id(PurpleConversationManager *manager,
PurpleAccount *account, gint id)
{
g_return_val_if_fail(PURPLE_IS_CONVERSATION_MANAGER(manager), NULL);
g_return_val_if_fail(PURPLE_IS_ACCOUNT(account), NULL);
return purple_conversation_manager_find_internal(manager, account, NULL,
purple_conversation_chat_has_id,
GINT_TO_POINTER(id));
}