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 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, see <https://www.gnu.org/licenses/>.
*/
#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
# error "only <pidgin.h> may be included directly"
#endif
#ifndef PURPLE_CONTACT_H
#define PURPLE_CONTACT_H
#include <glib.h>
#include <glib-object.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <libpurple/purplecontactinfo.h>
G_BEGIN_DECLS
#define PURPLE_TYPE_CONTACT (purple_contact_get_type())
G_DECLARE_FINAL_TYPE(PurpleContact, purple_contact, PURPLE, CONTACT,
PurpleContactInfo)
#include <libpurple/account.h>
/**
* PurpleContact:
*
* A contact is a concrete representation of a user in that it contains all of
* the contact information as well as a [class@Purple.Account] to use that
* contact information with.
*/
/**
* purple_contact_new:
* @account: The [class@Purple.Account] this contact is from.
* @id: (nullable): The id of the contact.
*
* Creates a new [class@Purple.Contact].
*
* If @id is %NULL, an ID will be randomly generated.
*
* Returns: (transfer full): The new instance.
*
* Since: 3.0.0
*/
PurpleContact *purple_contact_new(PurpleAccount *account, const gchar *id);
/**
* purple_contact_get_account:
* @contact: The instance.
*
* Gets the [class@Purple.Account] that @contact belongs to.
*
* Returns: (transfer none): The [class@Purple.Account] that @contact belongs
* to.
*
* Since: 3.0.0
*/
PurpleAccount *purple_contact_get_account(PurpleContact *contact);
G_END_DECLS
#endif /* PURPLE_CONTACT_H */