src/protocols/msn/msn.c

/**
 * @file msn.c The MSN protocol plugin
 *
 * 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
 */
#define PHOTO_SUPPORT 1

#include <glib.h>

#include "msn.h"
#include "accountopt.h"
#include "msg.h"
#include "page.h"
#include "pluginpref.h"
#include "prefs.h"
#include "session.h"
#include "state.h"
#include "utils.h"
#include "multi.h"
#include "util.h"

#include "switchboard.h"
#include "notification.h"
#include "sync.h"
#include "slplink.h"

#if PHOTO_SUPPORT
#include "imgstore.h"
#endif

#define BUDDY_ALIAS_MAXLEN 387

static GaimPlugin *my_protocol = NULL;

typedef struct
{
	GaimConnection *gc;
	const char *passport;

} MsnMobileData;

typedef struct
{
	GaimConnection *gc;
	char *name;

} MsnGetInfoData;

typedef struct
{
	MsnGetInfoData *info_data;
	char *stripped;
	char *url_buffer;
	GString *s;
	char *photo_url_text;
	char *tooltip_text;
	gboolean has_info;

} MsnGetInfoStepTwoData;

static const char *
msn_normalize(const GaimAccount *account, const char *str)
{
	static char buf[BUF_LEN];
	char *tmp;

	g_return_val_if_fail(str != NULL, NULL);

	g_snprintf(buf, sizeof(buf), "%s%s", str,
			   (strchr(str, '@') ? "" : "@hotmail.com"));

	tmp = g_utf8_strdown(buf, -1);
	strncpy(buf, tmp, sizeof(buf));
	g_free(tmp);

	return buf;
}

static void
msn_act_id(GaimConnection *gc, const char *entry)
{
	MsnCmdProc *cmdproc;
	MsnSession *session;
	GaimAccount *account;
	const char *alias;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;
	account = gaim_connection_get_account(gc);

	alias = (entry && *entry) ? entry : "";

	if (strlen(alias) > BUDDY_ALIAS_MAXLEN)
	{
		gaim_notify_error(gc, NULL,
						  _("Your new MSN friendly name is too long."), NULL);
		return;
	}

	msn_cmdproc_send(cmdproc, "REA", "%s %s",
					 gaim_account_get_username(account),
					 gaim_url_encode(alias));
}

static void
msn_set_prp(GaimConnection *gc, const char *type, const char *entry)
{
	MsnCmdProc *cmdproc;
	MsnSession *session;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;

	if (entry == NULL || *entry == '\0')
	{
		msn_cmdproc_send(cmdproc, "PRP", "%s", type);
	}
	else
	{
		msn_cmdproc_send(cmdproc, "PRP", "%s %s", type,
						 gaim_url_encode(entry));
	}
}

static void
msn_set_home_phone_cb(GaimConnection *gc, const char *entry)
{
	msn_set_prp(gc, "PHH", entry);
}

static void
msn_set_work_phone_cb(GaimConnection *gc, const char *entry)
{
	msn_set_prp(gc, "PHW", entry);
}

static void
msn_set_mobile_phone_cb(GaimConnection *gc, const char *entry)
{
	msn_set_prp(gc, "PHM", entry);
}

static void
enable_msn_pages_cb(GaimConnection *gc)
{
	msn_set_prp(gc, "MOB", "Y");
}

static void
disable_msn_pages_cb(GaimConnection *gc)
{
	msn_set_prp(gc, "MOB", "N");
}

static void
send_to_mobile(GaimConnection *gc, const char *who, const char *entry)
{
	MsnTransaction *trans;
	MsnSession *session;
	MsnCmdProc *cmdproc;
	MsnPage *page;
	char *payload;
	size_t payload_len;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;

	page = msn_page_new();
	msn_page_set_body(page, entry);

	payload = msn_page_gen_payload(page, &payload_len);

	trans = msn_transaction_new("PGD", "%s 1 %d", who, payload_len);

	msn_transaction_set_payload(trans, payload, payload_len);

	msn_page_destroy(page);

	msn_cmdproc_send_trans(cmdproc, trans);
}

static void
send_to_mobile_cb(MsnMobileData *data, const char *entry)
{
	send_to_mobile(data->gc, data->passport, entry);
	g_free(data);
}

static void
close_mobile_page_cb(MsnMobileData *data, const char *entry)
{
	g_free(data);
}

/* -- */

static void
msn_show_set_friendly_name(GaimPluginAction *action)
{
	GaimConnection *gc;

	gc = (GaimConnection *) action->context;

	gaim_request_input(gc, NULL, _("Set your friendly name."),
					   _("This is the name that other MSN buddies will "
						 "see you as."),
					   gaim_connection_get_display_name(gc), FALSE, FALSE, NULL,
					   _("OK"), G_CALLBACK(msn_act_id),
					   _("Cancel"), NULL, gc);
}

static void
msn_show_set_home_phone(GaimPluginAction *action)
{
	GaimConnection *gc;
	MsnSession *session;

	gc = (GaimConnection *) action->context;
	session = gc->proto_data;

	gaim_request_input(gc, NULL, _("Set your home phone number."), NULL,
					   msn_user_get_home_phone(session->user), FALSE, FALSE, NULL,
					   _("OK"), G_CALLBACK(msn_set_home_phone_cb),
					   _("Cancel"), NULL, gc);
}

static void
msn_show_set_work_phone(GaimPluginAction *action)
{
	GaimConnection *gc;
	MsnSession *session;

	gc = (GaimConnection *) action->context;
	session = gc->proto_data;

	gaim_request_input(gc, NULL, _("Set your work phone number."), NULL,
					   msn_user_get_work_phone(session->user), FALSE, FALSE, NULL,
					   _("OK"), G_CALLBACK(msn_set_work_phone_cb),
					   _("Cancel"), NULL, gc);
}

static void
msn_show_set_mobile_phone(GaimPluginAction *action)
{
	GaimConnection *gc;
	MsnSession *session;

	gc = (GaimConnection *) action->context;
	session = gc->proto_data;

	gaim_request_input(gc, NULL, _("Set your mobile phone number."), NULL,
					   msn_user_get_mobile_phone(session->user), FALSE, FALSE, NULL,
					   _("OK"), G_CALLBACK(msn_set_mobile_phone_cb),
					   _("Cancel"), NULL, gc);
}

static void
msn_show_set_mobile_pages(GaimPluginAction *action)
{
	GaimConnection *gc;

	gc = (GaimConnection *) action->context;

	gaim_request_action(gc, NULL, _("Allow MSN Mobile pages?"),
						_("Do you want to allow or disallow people on "
						  "your buddy list to send you MSN Mobile pages "
						  "to your cell phone or other mobile device?"),
						-1, gc, 3,
						_("Allow"), G_CALLBACK(enable_msn_pages_cb),
						_("Disallow"), G_CALLBACK(disable_msn_pages_cb),
						_("Cancel"), NULL);
}

static void
show_send_to_mobile_cb(GaimBlistNode *node, gpointer ignored)
{
	GaimBuddy *buddy;
	GaimConnection *gc;
	MsnUser *user;
	MsnSession *session;
	MsnMobileData *data;

	g_return_if_fail(GAIM_BLIST_NODE_IS_BUDDY(node));

	buddy = (GaimBuddy *) node;
	gc = gaim_account_get_connection(buddy->account);

	session = gc->proto_data;
	user = msn_userlist_find_user(session->userlist, buddy->name);

	data = g_new0(MsnMobileData, 1);
	data->gc = gc;
	data->passport = buddy->name;

	gaim_request_input(gc, NULL, _("Send a mobile message."), NULL,
					   NULL, TRUE, FALSE, NULL,
					   _("Page"), G_CALLBACK(send_to_mobile_cb),
					   _("Close"), G_CALLBACK(close_mobile_page_cb),
					   data);
}

static void
initiate_chat_cb(GaimBlistNode *node, gpointer data)
{
	GaimBuddy *buddy;
	GaimConnection *gc;

	MsnSession *session;
	MsnSwitchBoard *swboard;

	g_return_if_fail(GAIM_BLIST_NODE_IS_BUDDY(node));

	buddy = (GaimBuddy *) node;
	gc = gaim_account_get_connection(buddy->account);

	session = gc->proto_data;

	swboard = msn_switchboard_new(session);
	msn_switchboard_request(swboard);
	msn_switchboard_request_add_user(swboard, buddy->name);

	/* TODO: This might move somewhere else, after USR might be */
	swboard->chat_id = session->conv_seq++;
	swboard->conv = serv_got_joined_chat(gc, swboard->chat_id, "MSN Chat");
}

static void
t_msn_xfer_init(GaimXfer *xfer)
{
	MsnSlpLink *slplink;

	slplink = xfer->data;

	msn_slplink_request_ft(slplink, xfer);
}

static void
show_send_file_cb(GaimBlistNode *node, gpointer ignored)
{
	GaimBuddy *buddy;
	GaimConnection *gc;
	MsnSession *session;
	MsnSlpLink *slplink;
	GaimXfer *xfer;

	g_return_if_fail(GAIM_BLIST_NODE_IS_BUDDY(node));

	buddy = (GaimBuddy *) node;

	gc = gaim_account_get_connection(buddy->account);
	session = gc->proto_data;

	xfer = gaim_xfer_new(buddy->account, GAIM_XFER_SEND, buddy->name);

	slplink = msn_session_get_slplink(session, buddy->name);

	xfer->data = slplink;

	gaim_xfer_set_init_fnc(xfer, t_msn_xfer_init);

	gaim_xfer_request(xfer);
}

static void
update_buddy_icon_cb(GaimBlistNode *node, gpointer ignored)
{
	GaimBuddy *buddy;
	GaimConnection *gc;

	g_return_if_fail(GAIM_BLIST_NODE_IS_BUDDY(node));

	buddy = (GaimBuddy *) node;
	gc = gaim_account_get_connection(buddy->account);

	msn_request_buddy_icon(gc, buddy->name);
}

/**************************************************************************
 * Protocol Plugin ops
 **************************************************************************/

static const char *
msn_list_icon(GaimAccount *a, GaimBuddy *b)
{
	return "msn";
}

static void
msn_list_emblems(GaimBuddy *b, char **se, char **sw,
				 char **nw, char **ne)
{
	MsnUser *user;
	char *emblems[4] = { NULL, NULL, NULL, NULL };
	int away_type = MSN_AWAY_TYPE(b->uc);
	int i = 0;

	user = b->proto_data;

	if (b->present == GAIM_BUDDY_OFFLINE)
		emblems[i++] = "offline";
	else if (away_type == MSN_BUSY || away_type == MSN_PHONE)
		emblems[i++] = "occupied";
	else if (away_type != 0)
		emblems[i++] = "away";

	if (user == NULL)
	{
		emblems[0] = "offline";
	}
	else if (user->mobile)
		emblems[i++] = "wireless";

	*se = emblems[0];
	*sw = emblems[1];
	*nw = emblems[2];
	*ne = emblems[3];
}

static char *
msn_status_text(GaimBuddy *b)
{
	if (b->uc & UC_UNAVAILABLE)
		return g_strdup(msn_away_get_text(MSN_AWAY_TYPE(b->uc)));

	return NULL;
}

static char *
msn_tooltip_text(GaimBuddy *b)
{
	char *text = NULL;

	if (GAIM_BUDDY_IS_ONLINE(b))
	{
		text = g_strdup_printf("\n<b>%s:</b> %s", _("Status"),
							   msn_away_get_text(MSN_AWAY_TYPE(b->uc)));
	}

	return text;
}

static GList *
msn_away_states(GaimConnection *gc)
{
	GList *m = NULL;

	m = g_list_append(m, _("Available"));
	m = g_list_append(m, _("Away From Computer"));
	m = g_list_append(m, _("Be Right Back"));
	m = g_list_append(m, _("Busy"));
	m = g_list_append(m, _("On The Phone"));
	m = g_list_append(m, _("Out To Lunch"));
	m = g_list_append(m, _("Hidden"));

	return m;
}

static GList *
msn_actions(GaimPlugin *plugin, gpointer context)
{
	GList *m = NULL;
	GaimPluginAction *act;

	act = gaim_plugin_action_new(_("Set Friendly Name"),
								 msn_show_set_friendly_name);
	m = g_list_append(m, act);
	m = g_list_append(m, NULL);

	act = gaim_plugin_action_new(_("Set Home Phone Number"),
								 msn_show_set_home_phone);
	m = g_list_append(m, act);

	act = gaim_plugin_action_new(_("Set Work Phone Number"),
			msn_show_set_work_phone);
	m = g_list_append(m, act);

	act = gaim_plugin_action_new(_("Set Mobile Phone Number"),
			msn_show_set_mobile_phone);
	m = g_list_append(m, act);
	m = g_list_append(m, NULL);

#if 0
	act = gaim_plugin_action_new(_("Enable/Disable Mobile Devices"),
			msn_show_set_mobile_support);
	m = g_list_append(m, act);
#endif

	act = gaim_plugin_action_new(_("Allow/Disallow Mobile Pages"),
			msn_show_set_mobile_pages);
	m = g_list_append(m, act);

	return m;
}

static GList *
msn_buddy_menu(GaimBuddy *buddy)
{
	MsnUser *user;

	GList *m = NULL;
	GaimBlistNodeAction *act;

	g_return_val_if_fail(buddy != NULL, NULL);

	user = buddy->proto_data;

	if (user != NULL)
	{
		if (user->mobile)
		{
			act = gaim_blist_node_action_new(_("Send to Mobile"),
											 show_send_to_mobile_cb, NULL);
			m = g_list_append(m, act);
		}

	}

	if (g_ascii_strcasecmp(buddy->name,
						   gaim_account_get_username(buddy->account)))
	{
		act = gaim_blist_node_action_new(_("Initiate Chat"),
										 initiate_chat_cb, NULL);
		m = g_list_append(m, act);

		act = gaim_blist_node_action_new(_("Send File"),
											show_send_file_cb, NULL);

		m = g_list_append(m, act);

		act = gaim_blist_node_action_new(_("Update Buddy Icon"),
											update_buddy_icon_cb, NULL);

		m = g_list_append(m, act);
	}

	return m;
}

static GList *
msn_blist_node_menu(GaimBlistNode *node)
{
	if(GAIM_BLIST_NODE_IS_BUDDY(node))
	{
		return msn_buddy_menu((GaimBuddy *) node);
	}
	else
	{
		return NULL;
	}
}

static void
msn_login(GaimAccount *account)
{
	GaimConnection *gc;
	MsnSession *session;
	const char *username;
	const char *host;
	gboolean http_method = FALSE;
	int port;

	gc = gaim_account_get_connection(account);

	if (!gaim_ssl_is_supported())
	{
		gaim_connection_error(gc,
			_("SSL support is needed for MSN. Please install a supported "
			  "SSL library. See http://gaim.sf.net/faq-ssl.php for more "
			  "information."));

		return;
	}

	if (gaim_account_get_bool(account, "http_method", FALSE))
	{
		http_method = TRUE;

		gaim_debug_info("msn", "using http method\n");

		host = "gateway.messenger.hotmail.com";
		port   = 80;
	}
	else
	{
		host = gaim_account_get_string(account, "server", MSN_SERVER);
		port = gaim_account_get_int(account,    "port",   MSN_PORT);
	}

	session = msn_session_new(account, host, port, http_method);
	session->prpl = my_protocol;

	if (session->http_method)
		msn_http_session_init(session);

	gc->proto_data = session;
	gc->flags |= GAIM_CONNECTION_HTML | GAIM_CONNECTION_FORMATTING_WBFO | GAIM_CONNECTION_NO_BGCOLOR | GAIM_CONNECTION_NO_FONTSIZE | GAIM_CONNECTION_NO_URLDESC;;

	gaim_connection_update_progress(gc, _("Connecting"), 0, MSN_CONNECT_STEPS);

	/* Hmm, I don't like this. */
	username = msn_normalize(account, gaim_account_get_username(account));

	if (strcmp(username, gaim_account_get_username(account)))
		gaim_account_set_username(account, username);

	msn_session_connect(session);
}

static void
msn_close(GaimConnection *gc)
{
	MsnSession *session;

	session = gc->proto_data;

	g_return_if_fail(session != NULL);

	if (session->http_method)
		msn_http_session_uninit(session);

	msn_session_destroy(session);

	gc->proto_data = NULL;
}

static int
msn_send_im(GaimConnection *gc, const char *who, const char *message,
			GaimConvImFlags flags)
{
	GaimAccount *account;

	account = gaim_connection_get_account(gc);

	if (g_ascii_strcasecmp(who, gaim_account_get_username(account)))
	{
		MsnSession *session;
		MsnSwitchBoard *swboard;
		MsnMessage *msg;
		char *msgformat;
		char *msgtext;

		session = gc->proto_data;
		swboard = msn_session_get_swboard(session, who);

		msn_import_html(message, &msgformat, &msgtext);
		msg = msn_message_new_plain(msgtext);
		msn_message_set_attr(msg, "X-MMS-IM-Format", msgformat);

		g_free(msgformat);
		g_free(msgtext);

		swboard = msn_session_get_swboard(session, who);

		if (!g_queue_is_empty(swboard->im_queue) ||
			!swboard->user_joined)
		{
			msn_switchboard_queue_msg(swboard, msg);
		}
		else
		{
			msn_switchboard_send_msg(swboard, msg);
		}

		msn_message_destroy(msg);
	}
	else
	{
		/*
		 * In MSN, you can't send messages to yourself, so
		 * we'll fake like we received it ;)
		 */
		serv_got_typing_stopped(gc, who);
		serv_got_im(gc, who, message, flags, time(NULL));
	}

	return 1;
}

static int
msn_send_typing(GaimConnection *gc, const char *who, int typing)
{
	GaimAccount *account;
	MsnSession *session;
	MsnSwitchBoard *swboard;
	MsnMessage *msg;

	account = gaim_connection_get_account(gc);
	session = gc->proto_data;

	if (!typing)
		return 0;

	if (!g_ascii_strcasecmp(who, gaim_account_get_username(account)))
	{
		/* We'll just fake it, since we're sending to ourself. */
		serv_got_typing(gc, who, MSN_TYPING_RECV_TIMEOUT, GAIM_TYPING);

		return MSN_TYPING_SEND_TIMEOUT;
	}

	swboard = msn_session_find_swboard(session, who);

	if (swboard == NULL)
		return 0;

	if (!swboard->user_joined)
		return 0;

	msg = msn_message_new();
	msn_message_set_content_type(msg, "text/x-msmsgscontrol");
	msn_message_set_flag(msg, 'U');
	msn_message_set_attr(msg, "TypingUser",
						 gaim_account_get_username(account));
	msn_message_set_bin_data(msg, "\r\n", 2);

	msn_switchboard_send_msg(swboard, msg);

	msn_message_destroy(msg);

	return MSN_TYPING_SEND_TIMEOUT;
}

static void
msn_set_away(GaimConnection *gc, const char *state, const char *msg)
{
	MsnSession *session;
	int status;

	session = gc->proto_data;

	if (gc->away != NULL)
	{
		g_free(gc->away);
		gc->away = NULL;
	}

	if (msg != NULL)
	{
		gc->away = g_strdup("");
		status = MSN_AWAY;
	}
	else if (state)
	{
		gc->away = g_strdup("");

		if (!strcmp(state, _("Away From Computer")))
			status = MSN_AWAY;
		else if (!strcmp(state, _("Be Right Back")))
			status = MSN_BRB;
		else if (!strcmp(state, _("Busy")))
			status = MSN_BUSY;
		else if (!strcmp(state, _("On The Phone")))
			status = MSN_PHONE;
		else if (!strcmp(state, _("Out To Lunch")))
			status = MSN_LUNCH;
		else if (!strcmp(state, _("Hidden")))
			status = MSN_HIDDEN;
		else
		{
			g_free(gc->away);
			gc->away = NULL;
			status = MSN_ONLINE;
		}
	}
	else if (gc->is_idle)
		status = MSN_IDLE;
	else
		status = MSN_ONLINE;

	msn_change_status(session, status);
}

static void
msn_set_idle(GaimConnection *gc, int idle)
{
	MsnSession *session;

	session = gc->proto_data;

	if (gc->away != NULL)
		return;

	msn_change_status(session, (idle ? MSN_IDLE : MSN_ONLINE));
}

static void
msn_add_buddy(GaimConnection *gc, GaimBuddy *buddy, GaimGroup *group)
{
	MsnSession *session;
	MsnUserList *userlist;
	const char *who;

	session = gc->proto_data;
	userlist = session->userlist;
	who = msn_normalize(gc->account, buddy->name);

	if (group != NULL && group->name != NULL)
		gaim_debug_info("msn", "msn_add_buddy: %s, %s\n", who, group->name);
	else
		gaim_debug_info("msn", "msn_add_buddy: %s\n", who);

#if 0
	/* Which is the max? */
	if (session->fl_users_count >= 150)
	{
		gaim_debug_info("msn", "Too many buddies\n");
		/* Buddy list full */
		/* TODO: gaim should be notified of this */
		return;
	}
#endif

	/* XXX - Would group ever be NULL here?  I don't think so... */
	msn_userlist_add_buddy(userlist, who, MSN_LIST_FL,
						   group ? group->name : NULL);
}

static void
msn_rem_buddy(GaimConnection *gc, GaimBuddy *buddy, GaimGroup *group)
{
	MsnSession *session;
	MsnUserList *userlist;

	session = gc->proto_data;
	userlist = session->userlist;

	/* XXX - Does buddy->name need to be msn_normalize'd here?  --KingAnt */
	msn_userlist_rem_buddy(userlist, buddy->name, MSN_LIST_FL, group->name);
}

static void
msn_add_permit(GaimConnection *gc, const char *who)
{
	MsnSession *session;
	MsnUserList *userlist;
	MsnUser *user;

	session = gc->proto_data;
	userlist = session->userlist;
	user = msn_userlist_find_user(userlist, who);

	if (user->list_op & MSN_LIST_BL_OP)
		msn_userlist_rem_buddy(userlist, who, MSN_LIST_BL, NULL);

	msn_userlist_add_buddy(userlist, who, MSN_LIST_AL, NULL);
}

static void
msn_add_deny(GaimConnection *gc, const char *who)
{
	MsnSession *session;
	MsnUserList *userlist;
	MsnUser *user;

	session = gc->proto_data;
	userlist = session->userlist;
	user = msn_userlist_find_user(userlist, who);

	if (user->list_op & MSN_LIST_AL_OP)
		msn_userlist_rem_buddy(userlist, who, MSN_LIST_AL, NULL);

	msn_userlist_add_buddy(userlist, who, MSN_LIST_BL, NULL);
}

static void
msn_rem_permit(GaimConnection *gc, const char *who)
{
	MsnSession *session;
	MsnUserList *userlist;
	MsnUser *user;

	session = gc->proto_data;
	userlist = session->userlist;

	user = msn_userlist_find_user(userlist, who);

	msn_userlist_rem_buddy(userlist, who, MSN_LIST_AL, NULL);

	if (user->list_op & MSN_LIST_RL_OP)
		msn_userlist_add_buddy(userlist, who, MSN_LIST_BL, NULL);
}

void
msn_rem_deny(GaimConnection *gc, const char *who)
{
	MsnSession *session;
	MsnUserList *userlist;
	MsnUser *user;

	session = gc->proto_data;
	userlist = session->userlist;

	user = msn_userlist_find_user(userlist, who);

	msn_userlist_rem_buddy(userlist, who, MSN_LIST_BL, NULL);

	if (user->list_op & MSN_LIST_RL_OP)
		msn_userlist_add_buddy(userlist, who, MSN_LIST_AL, NULL);
}

static void
msn_set_permit_deny(GaimConnection *gc)
{
	GaimAccount *account;
	MsnSession *session;
	MsnCmdProc *cmdproc;

	account = gaim_connection_get_account(gc);
	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;

	if (account->perm_deny == GAIM_PRIVACY_ALLOW_ALL ||
		account->perm_deny == GAIM_PRIVACY_DENY_USERS)
	{
		msn_cmdproc_send(cmdproc, "BLP", "%s", "AL");
	}
	else
	{
		msn_cmdproc_send(cmdproc, "BLP", "%s", "BL");
	}
}

static void
msn_chat_invite(GaimConnection *gc, int id, const char *msg,
				const char *who)
{
	MsnSession *session;
	MsnSwitchBoard *swboard;
	MsnCmdProc *cmdproc;

	session = gc->proto_data;

	swboard = msn_session_find_switch_with_id(session, id);
	g_return_if_fail(swboard != NULL);

	cmdproc = swboard->servconn->cmdproc;

	msn_cmdproc_send(cmdproc, "CAL", "%s", who);
}

static void
msn_chat_leave(GaimConnection *gc, int id)
{
	MsnSession *session;
	MsnSwitchBoard *swboard;
	MsnCmdProc *cmdproc;

	session = gc->proto_data;

	swboard = msn_session_find_switch_with_id(session, id);
	g_return_if_fail(swboard != NULL);

	cmdproc = swboard->servconn->cmdproc;

	msn_cmdproc_send_quick(cmdproc, "OUT", NULL, NULL);
	msn_switchboard_destroy(swboard);

	/* serv_got_chat_left(gc, id); */
}

static int
msn_chat_send(GaimConnection *gc, int id, const char *message)
{
	GaimAccount *account;
	MsnSession *session;
	MsnSwitchBoard *swboard;
	MsnMessage *msg;
	char *msgformat;
	char *msgtext;

	account = gaim_connection_get_account(gc);
	session = gc->proto_data;
	swboard = msn_session_find_switch_with_id(session, id);

	if (swboard == NULL)
		return -EINVAL;

	if (swboard->ready)
	{
		msn_import_html(message, &msgformat, &msgtext);

		msg = msn_message_new_plain(msgtext);
		msn_message_set_attr(msg, "X-MMS-IM-Format", msgformat);
		msn_switchboard_send_msg(swboard, msg);
		msn_message_destroy(msg);

		g_free(msgformat);
		g_free(msgtext);

		serv_got_chat_in(gc, id, gaim_account_get_username(account), 0,
						 message, time(NULL));
	}

	return 0;
}

static void
msn_keepalive(GaimConnection *gc)
{
	MsnSession *session;
	MsnCmdProc *cmdproc;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;

	if (!session->http_method)
		msn_cmdproc_send_quick(cmdproc, "PNG", NULL, NULL);
}

static void
msn_group_buddy(GaimConnection *gc, const char *who,
				const char *old_group_name, const char *new_group_name)
{
	MsnSession *session;
	MsnUserList *userlist;

	session = gc->proto_data;
	userlist = session->userlist;

	msn_userlist_move_buddy(userlist, who, old_group_name, new_group_name);
}

static void
msn_rename_group(GaimConnection *gc, const char *old_name,
				 GaimGroup *group, GList *moved_buddies)
{
	MsnSession *session;
	MsnCmdProc *cmdproc;
	int old_gid;
	const char *enc_new_group_name;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;
	enc_new_group_name = gaim_url_encode(group->name);

	old_gid = msn_userlist_find_group_id(session->userlist, old_name);

	if (old_gid >= 0)
	{
		msn_cmdproc_send(cmdproc, "REG", "%d %s 0", old_gid,
						 enc_new_group_name);
	}
	else
	{
		msn_cmdproc_send(cmdproc, "ADG", "%s 0", enc_new_group_name);
	}
}

static void
msn_convo_closed(GaimConnection *gc, const char *who)
{
	MsnSession *session;
	MsnSwitchBoard *swboard;
	MsnCmdProc *cmdproc;

	session = gc->proto_data;

	swboard = msn_session_find_swboard(session, who);

	/*
	 * Don't perform an assertion here. It swboard is NULL, then the
	 * switchboard was either closed by the other party, or the person
	 * is talking to himself.
	 */
	if (swboard == NULL)
		return;

	cmdproc = swboard->servconn->cmdproc;

	if (swboard->current_users == 1)
	{
		/* This must happen on both IM's and Chat's, right? */
		GaimAccount *account;

		account = gaim_connection_get_account(gc);

		msn_cmdproc_send_quick(cmdproc, "BYE", "%s",
							   gaim_account_get_username(account));

		msn_switchboard_destroy(swboard);
	}
}

static void
msn_set_buddy_icon(GaimConnection *gc, const char *filename)
{
	MsnSession *session;
	MsnUser *user;

	session = gc->proto_data;
	user = session->user;

	msn_user_set_buddy_icon(user, filename);

	msn_change_status(session, session->state);
}

static void
msn_remove_group(GaimConnection *gc, GaimGroup *group)
{
	MsnSession *session;
	MsnCmdProc *cmdproc;
	int group_id;

	session = gc->proto_data;
	cmdproc = session->notification->cmdproc;

	if ((group_id = msn_userlist_find_group_id(session->userlist, group->name)) >= 0)
	{
		msn_cmdproc_send(cmdproc, "RMG", "%d", group_id);
	}
}

static char *
msn_tooltip_info_text(MsnGetInfoData *info_data) {
	GString *s = g_string_sized_new(80); /* wild guess */
	GaimBuddy *b;

	g_string_printf(s, _("<b>%s:</b> %s<br>"), _("MSN ID"), info_data->name);
	b = gaim_find_buddy(gaim_connection_get_account(info_data->gc),
			info_data->name);

	if (b) {
		char *statustext = msn_tooltip_text(b);
		if(b->alias && b->alias[0]) {
			char *aliastext = g_markup_escape_text(b->alias, -1);
			g_string_append_printf(s, _("<b>Alias:</b> %s<br>"), aliastext);
			g_free(aliastext);
		}
		if(b->server_alias) {
			char *nicktext = g_markup_escape_text(b->server_alias, -1);
			g_string_append_printf(s, _("<b>%s:</b> %s<br>"), _("Nickname"),
					nicktext);
			g_free(nicktext);
		}
		if (b->idle > 0) {
			char *idletime = gaim_str_seconds_to_string(time(NULL) - b->idle);
			g_string_append_printf(s, _("<b>%s:</b> %s<br>"), _("Idle"),
					idletime);
			g_free(idletime);
		}
		if (statustext) {
			g_string_append_printf(s, "%s<br>", statustext);
			g_free(statustext);
		}
	}

	return g_string_free(s, FALSE);
}

#if PHOTO_SUPPORT

static char *msn_get_photo_url(const char *url_text) {
	char *p;
	char *it = NULL;

	p = strstr(url_text, " title=\"Click to see the full-size photo.\">");

	if (p) {
		/* Search backwards for "http://". This is stupid, but it works. */
		for (; !it && p > url_text; p -= 1) {
			if (strncmp(p, "\"http://", 8) == 0) {
				char *q;
				p += 1; /* skip only the " */
				q = strchr(p, '"');
				if (q) {
					it = g_strndup(p, q - p);
				}
			}
		}
	}
	return it;
}

static void msn_got_photo(void *data, const char *url_text, size_t len);

#endif

static void
msn_got_info(void *data, const char *url_text, size_t len)
{
	MsnGetInfoData *info_data = (MsnGetInfoData *)data;
	char *stripped, *p, *q;
	char buf[1024];
	char *tooltip_text = NULL;
	char *user_url = NULL;
	gboolean found;
	gboolean has_info = FALSE;
	char *url_buffer;
	GString *s;
	int stripped_len;
#if PHOTO_SUPPORT
	char *photo_url_text = NULL;
	MsnGetInfoStepTwoData *info2_data = NULL;
#endif

	gaim_debug_info("msn", "In msn_got_info\n");

	tooltip_text = msn_tooltip_info_text(info_data);

	if (url_text == NULL || strcmp(url_text, "") == 0)
	{
		g_snprintf(buf, 1024, "<html><body>%s<b>%s</b></body></html>",
				tooltip_text, _("Error retrieving profile"));

		gaim_notify_formatted(info_data->gc, NULL,
				_("Buddy Information"), NULL, buf, NULL, NULL);

		g_free(tooltip_text);
		return;
	}

	url_buffer = g_strdup(url_text);

	/* If they have a homepage link, MSN masks it such that we need to
	 * fetch the url out before gaim_markup_strip_html() nukes it */
	if ((p = strstr(url_text,
			"Take a look at my </font><A class=viewDesc title=\"")) != NULL)
	{
		p += 50;

		if ((q = strchr(p, '"')) != NULL)
			user_url = g_strndup(p, q - p);
	}

	/*
	 * gaim_markup_strip_html() doesn't strip out character entities like &nbsp;
	 * and &#183;
	 */
	while ((p = strstr(url_buffer, "&nbsp;")) != NULL)
	{
		*p = ' '; /* Turn &nbsp;'s into ordinary blanks */
		p += 1;
		memmove(p, p + 5, strlen(p + 5));
		url_buffer[strlen(url_buffer) - 5] = '\0';
	}

	while ((p = strstr(url_buffer, "&#183;")) != NULL)
	{
		memmove(p, p + 6, strlen(p + 6));
		url_buffer[strlen(url_buffer) - 6] = '\0';
	}

	/* Nuke the nasty \r's that just get in the way */
	gaim_str_strip_cr(url_buffer);

	/* MSN always puts in &#39; for apostrophes...replace them */
	while ((p = strstr(url_buffer, "&#39;")) != NULL)
	{
		*p = '\'';
		memmove(p + 1, p + 5, strlen(p + 5));
		url_buffer[strlen(url_buffer) - 4] = '\0';
	}

	/* Nuke the html, it's easier than trying to parse the horrid stuff */
	stripped = gaim_markup_strip_html(url_buffer);
	stripped_len = strlen(stripped);

	gaim_debug_misc("msn", "stripped = %p\n", stripped);
	gaim_debug_misc("msn", "url_buffer = %p\n", url_buffer);

	/* Gonna re-use the memory we've already got for url_buffer */
	/* No we're not. */
	s = g_string_sized_new(strlen(url_buffer));

	/* Extract their Name and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"\tName\n", 0, "\t", 0, "Undisclosed", _("Name"), 0, NULL);

	if (found)
		has_info = TRUE;

	/* Extract their Age and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"\tAge\n", 0, "\n", 0, "Undisclosed", _("Age"), 0, NULL);

	if (found)
		has_info = TRUE;

	/* Extract their Gender and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"\nGender\n", 0, "\t", 0, "Undisclosed", _("Gender"), 0,
			NULL);

	if (found)
		has_info = TRUE;

	/* Extract their MaritalStatus and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"\tMarital Status\n", 0, "\n", 0, "Undisclosed",
			_("Marital Status"), 0, NULL);

	if (found)
		has_info = TRUE;

	/* Extract their Location and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"\nLocation\n", 0, "\n", 0, "Undisclosed", _("Location"), 0,
			NULL);

	if (found)
		has_info = TRUE;

	/* Extract their Occupation and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			" Occupation\n", 6, "\n", 0, "Undisclosed", _("Occupation"),
			0, NULL);

	if (found)
		has_info = TRUE;

	/*
	 * The fields, 'A Little About Me', 'Favorite Things', 'Hobbies
	 * and Interests', 'Favorite Quote', and 'My Homepage' may or may
	 * not appear, in any combination. However, they do appear in
	 * certain order, so we can successively search to pin down the
	 * distinct values.
	 */

	/* Check if they have A Little About Me */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			" A Little About Me \n\n", 0, "Favorite Things", '\n', NULL,
			_("A Little About Me"), 0, NULL);

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" A Little About Me \n\n", 0, "Hobbies and Interests", '\n',
				NULL, _("A Little About Me"), 0, NULL);
	}

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" A Little About Me \n\n", 0, "Favorite Quote", '\n', NULL,
				_("A Little About Me"), 0, NULL);
	}

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" A Little About Me \n\n", 0, "My Homepage \n\nTake a look",
				'\n',
				NULL, _("A Little About Me"), 0, NULL);
	}

	if (!found)
	{
		gaim_markup_extract_info_field(stripped, stripped_len, s,
				" A Little About Me \n\n", 0, "last updated", '\n', NULL,
				_("A Little About Me"), 0, NULL);
	}

	if (found)
		has_info = TRUE;

	/* Check if they have Favorite Things */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			" Favorite Things \n\n", 0, "Hobbies and Interests", '\n', NULL,
			_("Favorite Things"), 0, NULL);

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" Favorite Things \n\n", 0, "Favorite Quote", '\n', NULL,
				_("Favorite Things"), 0, NULL);
	}

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" Favorite Things \n\n", 0, "My Homepage \n\nTake a look", '\n',
				NULL, _("Favorite Things"), 0, NULL);
	}

	if (!found)
	{
		gaim_markup_extract_info_field(stripped, stripped_len, s,
				" Favorite Things \n\n", 0, "last updated", '\n', NULL,
				_("Favorite Things"), 0, NULL);
	}

	if (found)
		has_info = TRUE;

	/* Check if they have Hobbies and Interests */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			" Hobbies and Interests \n\n", 0, "Favorite Quote", '\n', NULL,
			_("Hobbies and Interests"), 0, NULL);

	if (!found)
	{
		found = gaim_markup_extract_info_field(stripped, stripped_len, s,
				" Hobbies and Interests \n\n", 0, "My Homepage \n\nTake a look",
				'\n', NULL, _("Hobbies and Interests"), 0, NULL);
	}

	if (!found)
	{
		gaim_markup_extract_info_field(stripped, stripped_len, s,
				" Hobbies and Interests \n\n", 0, "last updated", '\n', NULL,
				_("Hobbies and Interests"), 0, NULL);
	}

	if (found)
		has_info = TRUE;

	/* Check if they have Favorite Quote */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			"Favorite Quote \n\n", 0, "My Homepage \n\nTake a look", '\n', NULL,
			_("Favorite Quote"), 0, NULL);

	if (!found)
	{
		gaim_markup_extract_info_field(stripped, stripped_len, s,
				"Favorite Quote \n\n", 0, "last updated", '\n', NULL,
				_("Favorite Quote"), 0, NULL);
	}

	if (found)
		has_info = TRUE;

	/* Extract the last updated date and put it in */
	found = gaim_markup_extract_info_field(stripped, stripped_len, s,
			" last updated:", 1, "\n", 0, NULL, _("Last Updated"), 0,
			NULL);

	if (found)
		has_info = TRUE;

	/* If we were able to fetch a homepage url earlier, stick it in there */
	if (user_url != NULL)
	{
		g_snprintf(buf, sizeof(buf),
				   "<b>%s:</b><br><a href=\"%s\">%s</a><br>\n",
				   _("Homepage"), user_url, user_url);

		g_string_append(s, buf);

		g_free(user_url);

		has_info = TRUE;
	}

	if (found) {
		/* put a link to the actual profile URL */
		g_string_append_printf(s, _("<b>%s:</b> "), _("Profile URL"));
		g_string_append_printf(s, "<br><a href=\"%s%s\">%s%s</a><br>",
				PROFILE_URL, info_data->name, PROFILE_URL, info_data->name);
	}

	/* Finish it off, and show it to them */
	g_string_append(s, "</body></html>\n");

#if PHOTO_SUPPORT

	/* Marshall the existing state */
	info2_data = g_malloc0(sizeof(MsnGetInfoStepTwoData));
	info2_data->info_data = info_data;
	info2_data->stripped = stripped;
	info2_data->url_buffer = url_buffer;
	info2_data->s = s;
	info2_data->photo_url_text = photo_url_text;
	info2_data->tooltip_text = tooltip_text;
	info2_data->has_info = has_info;

	/* Try to put the photo in there too, if there's one */
	photo_url_text = msn_get_photo_url(url_text);
	if (photo_url_text) {
		gaim_url_fetch(photo_url_text, FALSE, NULL, FALSE, msn_got_photo,
				info2_data);
	} else {
		/* Emulate a callback */
		msn_got_photo(info2_data, NULL, 0);
	}
}

static void msn_got_photo(void *data, const char *url_text, size_t len)
{
	MsnGetInfoStepTwoData *info2_data = (MsnGetInfoStepTwoData *)data;
	int id = -1;

	/* Unmarshall the saved state */
	MsnGetInfoData *info_data = info2_data->info_data;
	char *stripped = info2_data->stripped;
	char *url_buffer = info2_data->url_buffer;
	GString *s = info2_data->s;
	char *photo_url_text = info2_data->photo_url_text;
	char *tooltip_text = info2_data->tooltip_text;
	gboolean has_info = info2_data->has_info;

	/* Try to put the photo in there too, if there's one and is readable */
	if (data && url_text && len != 0) {
		if (strstr(url_text, "400 Bad Request")
				|| strstr(url_text, "403 Forbidden")
				|| strstr(url_text, "404 Not Found")) {

			gaim_debug_info("msn", "Error getting %s: %s\n",
					photo_url_text, url_text);
		} else {
			char buf[1024];
			gaim_debug_info("msn", "%s is %d bytes\n", photo_url_text, len);
			id = gaim_imgstore_add(url_text, len, NULL);
			g_snprintf(buf, sizeof(buf), "<img id=\"%d\"><br>", id);
			g_string_prepend(s, buf);
		}
	}

	/* We continue here from msn_got_info, as if nothing has happened */
#endif

	if (has_info)
	{
		g_string_prepend(s, tooltip_text);
		gaim_notify_formatted(info_data->gc, NULL, _("Buddy Information"),
							  NULL, s->str, NULL, NULL);
	}
	else
	{
		char *p = strstr(url_buffer, "Unknown Member </TITLE>");

		/* MSN doesn't actually distinguish between "unknown member" and
		 * a known member with an empty profile. But if we say unknown
		 * member, it is at least not worse than reading the actual page.
		 */
		g_string_printf(s, "<html><body>%s<b>%s</b><br></body></html>",
				tooltip_text,
				(p ? _("Error retrieving profile")
				   : _("The user's profile is empty.")));

		gaim_notify_formatted(info_data->gc, NULL, _("Buddy Information"), NULL,
				s->str, NULL, NULL);
	}

	g_free(stripped);
	g_free(url_buffer);
	g_string_free(s, TRUE);
	g_free(tooltip_text);
	g_free(info_data->name);
	g_free(info_data);
#if PHOTO_SUPPORT
	g_free(photo_url_text);
	g_free(info2_data);
	if (id != -1)
		gaim_imgstore_unref(id);
#endif
}

static void
msn_get_info(GaimConnection *gc, const char *name)
{
	MsnGetInfoData *data;
	char *url;

	data       = g_new0(MsnGetInfoData, 1);
	data->gc   = gc;
	data->name = g_strdup(name);

	url = g_strdup_printf("%s%s", PROFILE_URL, name);

	gaim_url_fetch(url, FALSE,
				   "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)",
				   TRUE, msn_got_info, data);

	g_free(url);
}

static gboolean msn_load(GaimPlugin *plugin)
{
	msn_notification_init();
	msn_switchboard_init();
	msn_sync_init();

	return TRUE;
}

static gboolean msn_unload(GaimPlugin *plugin)
{
	msn_notification_end();
	msn_switchboard_end();
	msn_sync_end();

	return TRUE;
}

static GaimPluginPrefFrame *
get_plugin_pref_frame(GaimPlugin *plugin) {
	GaimPluginPrefFrame *frame;
	GaimPluginPref *ppref;

	frame = gaim_plugin_pref_frame_new();

	ppref = gaim_plugin_pref_new_with_label(_("Conversations"));
	gaim_plugin_pref_frame_add(frame, ppref);

	ppref = gaim_plugin_pref_new_with_name_and_label(
								"/plugins/prpl/msn/conv_close_notice",
								_("Display conversation closed notices"));
	gaim_plugin_pref_frame_add(frame, ppref);

	ppref = gaim_plugin_pref_new_with_name_and_label(
								"/plugins/prpl/msn/conv_timeout_notice",
								_("Display timeout notices"));
	gaim_plugin_pref_frame_add(frame, ppref);

	return frame;
}

static GaimPluginUiInfo prefs_info = {
	get_plugin_pref_frame
};

static GaimPluginProtocolInfo prpl_info =
{
	GAIM_PRPL_API_VERSION,
	OPT_PROTO_MAIL_CHECK,
	NULL,
	NULL,
	{"png", 96, 96},
	msn_list_icon,
	msn_list_emblems,
	msn_status_text,
	msn_tooltip_text,
	msn_away_states,
	msn_blist_node_menu,
	NULL,
	msn_login,
	msn_close,
	msn_send_im,
	NULL,
	msn_send_typing,
	msn_get_info,
	msn_set_away,
	msn_set_idle,
	NULL,
	msn_add_buddy,
	NULL,
	msn_rem_buddy,
	NULL,
	msn_add_permit,
	msn_add_deny,
	msn_rem_permit,
	msn_rem_deny,
	msn_set_permit_deny,
	NULL,
	NULL,
	NULL, /* reject chat invite */
	msn_chat_invite,
	msn_chat_leave,
	NULL,
	msn_chat_send,
	msn_keepalive,
	NULL,
	NULL,
	NULL,
	NULL,
	msn_group_buddy,
	msn_rename_group,
	NULL, /* msn_buddy_free */
	msn_convo_closed,
	msn_normalize,
	msn_set_buddy_icon,
	msn_remove_group,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL
};

static GaimPluginInfo info =
{
	GAIM_PLUGIN_API_VERSION,                          /**< api_version    */
	GAIM_PLUGIN_PROTOCOL,                             /**< type           */
	NULL,                                             /**< ui_requirement */
	0,                                                /**< flags          */
	NULL,                                             /**< dependencies   */
	GAIM_PRIORITY_DEFAULT,                            /**< priority       */

	"prpl-msn",                                       /**< id             */
	"MSN",                                            /**< name           */
	VERSION,                                          /**< version        */
	                                                  /**  summary        */
	N_("MSN Protocol Plugin"),
	                                                  /**  description    */
	N_("MSN Protocol Plugin"),
	"Christian Hammond <chipx86@gnupdate.org>",       /**< author         */
	GAIM_WEBSITE,                                     /**< homepage       */

	msn_load,                                         /**< load           */
	msn_unload,                                       /**< unload         */
	NULL,                                             /**< destroy        */

	NULL,                                             /**< ui_info        */
	&prpl_info,                                       /**< extra_info     */
	&prefs_info,                                      /**< prefs_info     */
	msn_actions
};

static void
init_plugin(GaimPlugin *plugin)
{
	GaimAccountOption *option;

	option = gaim_account_option_string_new(_("Login server"), "server",
											MSN_SERVER);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options,
											   option);

	option = gaim_account_option_int_new(_("Port"), "port", 1863);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options,
											   option);

	option = gaim_account_option_bool_new(_("Use HTTP Method"),
										  "http_method", FALSE);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options,
											   option);

	my_protocol = plugin;

	gaim_prefs_add_none("/plugins/prpl/msn");
	gaim_prefs_add_bool("/plugins/prpl/msn/conv_close_notice",   TRUE);
	gaim_prefs_add_bool("/plugins/prpl/msn/conv_timeout_notice", TRUE);
}

GAIM_INIT_PLUGIN(msn, init_plugin, info);