libpurple/protocols/qq/buddy_info.c

/**
 * @file buddy_info.c
 *
 * purple
 *
 * Purple 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 */

#include "internal.h"
#include "debug.h"
#include "notify.h"
#include "request.h"

#include "utils.h"
#include "packet_parse.h"
#include "buddy_list.h"
#include "buddy_info.h"
#include "char_conv.h"
#include "qq_define.h"
#include "qq_base.h"
#include "qq_network.h"

#define QQ_HOROSCOPE_SIZE 13
static const gchar *horoscope_names[] = {
	"-", N_("Aquarius"), N_("Pisces"), N_("Aries"), N_("Taurus"),
	N_("Gemini"), N_("Cancer"), N_("Leo"), N_("Virgo"), N_("Libra"),
	N_("Scorpio"), N_("Sagittarius"), N_("Capricorn")
};

#define QQ_ZODIAC_SIZE 13
static const gchar *zodiac_names[] = {
	"-", N_("Rat"), N_("Ox"), N_("Tiger"), N_("Rabbit"),
	N_("Dragon"), N_("Snake"), N_("Horse"), N_("Goat"), N_("Monkey"),
	N_("Rooster"), N_("Dog"), N_("Pig")
};

#define QQ_BLOOD_SIZE 6
static const gchar *blood_types[] = {
	"-", "A", "B", "O", "AB", N_("Other")
};

#define QQ_PUBLISH_SIZE 3
static const gchar *publish_types[] = {
	N_("Visible"), N_("Firend Only"), N_("Private")
};

#define QQ_GENDER_SIZE 3
static const gchar *genders[] = {
	N_("Private"),
	N_("Male"),
	N_("Female"),
};

static const gchar *genders_zh[] = {
	N_("-"),
	N_("\xc4\xd0"),
	N_("\xc5\xae"),
};

#define QQ_FACES	    100

enum {
	QQ_INFO_UID = 0, QQ_INFO_NICK, QQ_INFO_COUNTRY, QQ_INFO_PROVINCE, QQ_INFO_ZIPCODE,
	QQ_INFO_ADDR, QQ_INFO_TEL, QQ_INFO_AGE, QQ_INFO_GENDER, QQ_INFO_NAME, QQ_INFO_EMAIL,
	QQ_INFO_PG_SN, QQ_INFO_PG_NUM, QQ_INFO_PG_SP, QQ_INFO_PG_BASE_NUM, QQ_INFO_PG_TYPE,
	QQ_INFO_OCCU, QQ_INFO_HOME_PAGE, QQ_INFO_AUTH_TYPE, QQ_INFO_UNKNOW1, QQ_INFO_UNKNOW2,
	QQ_INFO_FACE, QQ_INFO_MOBILE, QQ_INFO_MOBILE_TYPE, QQ_INFO_INTRO, QQ_INFO_CITY,
	QQ_INFO_UNKNOW3, QQ_INFO_UNKNOW4, QQ_INFO_UNKNOW5,
	QQ_INFO_IS_PUB_MOBILE, QQ_INFO_IS_PUB_CONTACT, QQ_INFO_COLLEGE, QQ_INFO_HOROSCOPE,
	QQ_INFO_ZODIAC, QQ_INFO_BLOOD, QQ_INFO_SHOW, QQ_INFO_UNKNOW6,
	QQ_INFO_LAST,
};

enum {
	QQ_FIELD_UNUSED = 0, QQ_FIELD_BASE, QQ_FIELD_EXT, QQ_FIELD_CONTACT, QQ_FIELD_ADDR
};

enum {
	QQ_FIELD_LABEL = 0, QQ_FIELD_STRING, QQ_FIELD_MULTI, QQ_FIELD_BOOL, QQ_FIELD_CHOICE,
};

typedef struct {
	int iclass;
	int type;
	char *id;
	char *text;
	const gchar **choice;
	int choice_size;
} QQ_FIELD_INFO;

static const QQ_FIELD_INFO field_infos[] = {
	{ QQ_FIELD_BASE, 		QQ_FIELD_STRING, "uid", 			N_("QQ Number"), NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_STRING, "nick", 			N_("Nickname"), NULL, 0 },
	{ QQ_FIELD_ADDR, 		QQ_FIELD_STRING, "country", 	N_("Country/Region"), NULL, 0 },
	{ QQ_FIELD_ADDR, 		QQ_FIELD_STRING, "province", 	N_("Province/State"), NULL, 0 },
	{ QQ_FIELD_ADDR, 		QQ_FIELD_STRING, "zipcode", 	N_("Zipcode"), NULL, 0 },
	{ QQ_FIELD_ADDR, 		QQ_FIELD_STRING, "address", 	N_("Address"), NULL, 0 },
	{ QQ_FIELD_CONTACT, QQ_FIELD_STRING, "tel", 				N_("Phone Number"), NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_STRING, "age", 			N_("Age"), NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_CHOICE, "gender", 		N_("Gender"), genders, QQ_GENDER_SIZE },
	{ QQ_FIELD_BASE, 		QQ_FIELD_STRING, "name", 			N_("Name"), NULL, 0 },
	{ QQ_FIELD_CONTACT, QQ_FIELD_STRING, "email", 			N_("Email"), NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "pg_sn",		"Pager Serial Num", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "pg_num",	"Pager Num", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "pg_sp",		"Pager Serivce Provider", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "pg_sta",		"Pager Station Num", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "pg_type",	"Pager Type", NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_STRING, "occupation", 	N_("Occupation"), NULL, 0 },
	{ QQ_FIELD_CONTACT, QQ_FIELD_STRING, "homepage", 		N_("Homepage"), NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_BOOL, 	"auth", 				N_("Authorize adding"), NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow1",	"Unknow1", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow2",	"Unknow2", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "face",				"Face", NULL, 0 },
	{ QQ_FIELD_CONTACT, QQ_FIELD_STRING, "mobile",		N_("Cellphone Number"), NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "mobile_type","Cellphone Type", NULL, 0 },
	{ QQ_FIELD_BASE, 		QQ_FIELD_MULTI, 	"intro", 		N_("Personal Introduction"), NULL, 0 },
	{ QQ_FIELD_ADDR, 		QQ_FIELD_STRING, "city",			N_("City/Area"), NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow3",	"Unknow3", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow4",	"Unknow4", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow5",	"Unknow5", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_CHOICE, "pub_mobile",	N_("Publish Mobile"), publish_types, QQ_PUBLISH_SIZE },
	{ QQ_FIELD_CONTACT, QQ_FIELD_CHOICE, "pub_contact",	N_("Publish Contact"), publish_types, QQ_PUBLISH_SIZE },
	{ QQ_FIELD_EXT, 		QQ_FIELD_STRING, "college",			N_("College"), NULL, 0 },
	{ QQ_FIELD_EXT, 		QQ_FIELD_CHOICE, "horoscope",	N_("Horoscope"), horoscope_names, QQ_HOROSCOPE_SIZE },
	{ QQ_FIELD_EXT, 		QQ_FIELD_CHOICE, "zodiac",		N_("Zodiac"), zodiac_names, QQ_ZODIAC_SIZE },
	{ QQ_FIELD_EXT, 		QQ_FIELD_CHOICE, "blood",			N_("Blood"), blood_types, QQ_BLOOD_SIZE },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "qq_show",	"QQ Show", NULL, 0 },
	{ QQ_FIELD_UNUSED, 	QQ_FIELD_STRING, "unknow6",	"Unknow6", NULL, 0 }
};

typedef struct _modify_info_request {
	PurpleConnection *gc;
	int iclass;
	gchar **segments;
} modify_info_request;

#ifdef DEBUG
static void info_debug(gchar **segments)
{
	int index;
	gchar *utf8_str;
	for (index = 0; segments[index] != NULL && index < QQ_INFO_LAST; index++) {
		if (field_infos[index].type == QQ_FIELD_STRING
				|| field_infos[index].type == QQ_FIELD_LABEL
				|| field_infos[index].type == QQ_FIELD_MULTI
				|| index == QQ_INFO_GENDER)  {
			utf8_str = qq_to_utf8(segments[index], QQ_CHARSET_DEFAULT);
			purple_debug_info("QQ_BUDDY_INFO", "%s: %s\n", field_infos[index]. text, utf8_str);
			g_free(utf8_str);
			continue;
		}
		purple_debug_info("QQ_BUDDY_INFO", "%s: %s\n", field_infos[index]. text, segments[index]);
	}
}
#endif

static void info_display_only(PurpleConnection *gc, gchar **segments)
{
	PurpleNotifyUserInfo *user_info;
	gchar *utf8_value;
	int index;
	int choice_num;

	user_info = purple_notify_user_info_new();

	for (index = 1; segments[index] != NULL && index < QQ_INFO_LAST; index++) {
		if (field_infos[index].iclass == QQ_FIELD_UNUSED) {
			continue;
		}
		switch (field_infos[index].type) {
			case QQ_FIELD_BOOL:
				purple_notify_user_info_add_pair(user_info, field_infos[index].text,
					strtol(segments[index], NULL, 10) ? _("True") : _("False"));
				break;
			case QQ_FIELD_CHOICE:
				choice_num = strtol(segments[index], NULL, 10);
				if (choice_num < 0 || choice_num >= field_infos[index].choice_size)	choice_num = 0;

				purple_notify_user_info_add_pair(user_info, field_infos[index].text, field_infos[index].choice[choice_num]);
				break;
			case QQ_FIELD_LABEL:
			case QQ_FIELD_STRING:
			case QQ_FIELD_MULTI:
			default:
				if (strlen(segments[index]) != 0) {
					utf8_value = qq_to_utf8(segments[index], QQ_CHARSET_DEFAULT);
					purple_notify_user_info_add_pair(user_info, field_infos[index].text, utf8_value);
					g_free(utf8_value);
				}
				break;
		}
	}

	purple_notify_userinfo(gc, segments[0], user_info, NULL, NULL);

	purple_notify_user_info_destroy(user_info);
	g_strfreev(segments);
}

void qq_request_buddy_info(PurpleConnection *gc, guint32 uid,
		gint update_class, int action)
{
	qq_data *qd;
	gchar raw_data[16] = {0};

	g_return_if_fail(uid != 0);

	qd = (qq_data *) gc->proto_data;
	g_snprintf(raw_data, sizeof(raw_data), "%d", uid);
	qq_send_cmd_mess(gc, QQ_CMD_GET_BUDDY_INFO, (guint8 *) raw_data, strlen(raw_data),
			update_class, action);
}

/* send packet to modify personal information */
static void request_modify_info(PurpleConnection *gc, gchar **segments)
{
	gint bytes = 0;
	guint8 raw_data[MAX_PACKET_SIZE - 128] = {0};
	guint8 bar;
	gchar *join;

	g_return_if_fail(segments != NULL);

	bar = 0x1f;

	bytes += qq_put8(raw_data + bytes, bar);
	bytes += qq_put8(raw_data + bytes, bar);

	/* important! skip the first uid entry */
	join = g_strjoinv("\x1f", segments +1);
	bytes += qq_putdata(raw_data + bytes, (guint8 *)join, strlen(join));
	g_free(join);

	bytes += qq_put8(raw_data + bytes, bar);

	/* qq_show_packet("request_modify_info", raw_data, bytes); */
	qq_send_cmd(gc, QQ_CMD_UPDATE_INFO, raw_data, bytes);
}

static void info_modify_cancel_cb(modify_info_request *info_request)
{
	g_strfreev(info_request->segments);
	g_free(info_request);
}

/* parse fields and send info packet */
static void info_modify_ok_cb(modify_info_request *info_request, PurpleRequestFields *fields)
{
	PurpleConnection *gc;
	qq_data *qd;
	gchar **segments;
	int index;
	const char *utf8_str;
	gchar *value;
	int choice_num;

	gc = info_request->gc;
	g_return_if_fail(gc != NULL && info_request->gc);
	qd = (qq_data *) gc->proto_data;
	segments = info_request->segments;
	g_return_if_fail(segments != NULL);

	for (index = 1; segments[index] != NULL && index < QQ_INFO_LAST; index++) {
		if (field_infos[index].iclass == QQ_FIELD_UNUSED) {
			continue;
		}
		if (!purple_request_fields_exists(fields, field_infos[index].id)) {
			continue;
		}
		switch (field_infos[index].type) {
			case QQ_FIELD_BOOL:
				value = purple_request_fields_get_bool(fields, field_infos[index].id)
						? g_strdup("1") : g_strdup("0");
				g_free(segments[index]);
				segments[index] = value;
				break;
			case QQ_FIELD_CHOICE:
				choice_num = purple_request_fields_get_choice(fields, field_infos[index].id);
				if (choice_num < 0 || choice_num >= field_infos[index].choice_size)	choice_num = 0;

				if (index == QQ_INFO_GENDER) {
					/* QQ Server only recept gender in Chinese */
					value = g_strdup(genders_zh[choice_num]);
				} else {
					value = g_strdup_printf("%d", choice_num);
				}
				g_free(segments[index]);
				segments[index] = value;
				break;
			case QQ_FIELD_LABEL:
			case QQ_FIELD_STRING:
			case QQ_FIELD_MULTI:
			default:
				utf8_str = purple_request_fields_get_string(fields, field_infos[index].id);
				if (utf8_str == NULL) {
					value = g_strdup("-");
				} else {
					value = utf8_to_qq(utf8_str, QQ_CHARSET_DEFAULT);
					if (value == NULL) value = g_strdup("-");
				}
				g_free(segments[index]);
				segments[index] = value;
				break;
		}
	}
	request_modify_info(gc, segments);

	g_strfreev(segments);
	g_free(info_request);
}

static void field_request_new(PurpleRequestFieldGroup *group, gint index, gchar **segments)
{
	PurpleRequestField *field;
	gchar *utf8_value;
	int choice_num;
	int i;

	g_return_if_fail(index >=0 && segments[index] != NULL && index < QQ_INFO_LAST);

	switch (field_infos[index].type) {
		case QQ_FIELD_STRING:
		case QQ_FIELD_MULTI:
			utf8_value = qq_to_utf8(segments[index], QQ_CHARSET_DEFAULT);
			if (field_infos[index].type == QQ_FIELD_STRING) {
				field = purple_request_field_string_new(
						field_infos[index].id, field_infos[index].text, utf8_value, FALSE);
			} else {
				field = purple_request_field_string_new(
						field_infos[index].id, field_infos[index].text, utf8_value, TRUE);
			}
			purple_request_field_group_add_field(group, field);
			g_free(utf8_value);
			break;
		case QQ_FIELD_BOOL:
			field = purple_request_field_bool_new(
					field_infos[index].id, field_infos[index].text,
					strtol(segments[index], NULL, 10) ? TRUE : FALSE);
			purple_request_field_group_add_field(group, field);
			break;
		case QQ_FIELD_CHOICE:
			choice_num = strtol(segments[index], NULL, 10);
			if (choice_num < 0 || choice_num >= field_infos[index].choice_size)	choice_num = 0;

			if (index == QQ_INFO_GENDER && strlen(segments[index]) != 0) {
				for (i = 0; i < QQ_GENDER_SIZE; i++) {
					if (strcmp(segments[index], genders_zh[i]) == 0) {
						choice_num = i;
					}
				}
			}
			field = purple_request_field_choice_new(
					field_infos[index].id, field_infos[index].text, choice_num);
			for (i = 0; i < field_infos[index].choice_size; i++) {
				purple_request_field_choice_add(field, field_infos[index].choice[i]);
			}
			purple_request_field_group_add_field(group, field);
			break;
		case QQ_FIELD_LABEL:
		default:
			field = purple_request_field_label_new(field_infos[index].id, segments[index]);
			purple_request_field_group_add_field(group, field);
			break;
	}
}

static void info_modify_dialogue(PurpleConnection *gc, gchar **segments, int iclass)
{
	qq_data *qd;
	PurpleRequestFieldGroup *group;
	PurpleRequestFields *fields;
	modify_info_request *info_request;
	gchar *utf8_title, *utf8_prim;
	int index;

	qd = (qq_data *) gc->proto_data;
	/* Keep one dialog once a time */
	purple_request_close_with_handle(gc);

	fields = purple_request_fields_new();
	group = purple_request_field_group_new(NULL);
	purple_request_fields_add_group(fields, group);

	for (index = 1; segments[index] != NULL && index < QQ_INFO_LAST; index++) {
		if (field_infos[index].iclass != iclass) {
			continue;
		}
		field_request_new(group, index, segments);
	}

	switch (iclass) {
		case QQ_FIELD_CONTACT:
			utf8_title = g_strdup(_("Modify Contact"));
			utf8_prim = g_strdup_printf("%s for %s", _("Modify Contact"), segments[0]);
		case QQ_FIELD_ADDR:
			utf8_title = g_strdup(_("Modify Address"));
			utf8_prim = g_strdup_printf("%s for %s", _("Modify Address"), segments[0]);
		case QQ_FIELD_EXT:
			utf8_title = g_strdup(_("Modify Extend Information"));
			utf8_prim = g_strdup_printf("%s for %s", _("Modify Extend Information"), segments[0]);
			break;
		case QQ_FIELD_BASE:
		default:
			utf8_title = g_strdup(_("Modify Information"));
			utf8_prim = g_strdup_printf("%s for %s", _("Modify Information"), segments[0]);
	}

	info_request = g_new0(modify_info_request, 1);
	info_request->gc = gc;
	info_request->iclass = iclass;
	info_request->segments = segments;

	purple_request_fields(gc,
			utf8_title,
			utf8_prim,
			NULL,
			fields,
			_("Update"), G_CALLBACK(info_modify_ok_cb),
			_("Cancel"), G_CALLBACK(info_modify_cancel_cb),
			purple_connection_get_account(gc), NULL, NULL,
			info_request);

	g_free(utf8_title);
	g_free(utf8_prim);
}

/* process the reply of modify_info packet */
void qq_process_modify_info_reply(guint8 *data, gint data_len, PurpleConnection *gc)
{
	qq_data *qd;

	g_return_if_fail(data != NULL && data_len != 0);

	qd = (qq_data *) gc->proto_data;

	data[data_len] = '\0';
	if (qd->uid == atoi((gchar *) data)) {	/* return should be my uid */
		purple_debug_info("QQ", "Update info ACK OK\n");
		purple_notify_info(gc, _("QQ Buddy"), _("Successed:"), _("Change buddy information."));
	}
}

static void request_set_buddy_icon(PurpleConnection *gc, gint face_num)
{
	PurpleAccount *account = purple_connection_get_account(gc);
	PurplePresence *presence = purple_account_get_presence(account);
	qq_data *qd = (qq_data *) gc->proto_data;
	gint offset;

	if(purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_INVISIBLE)) {
		offset = 2;
	} else if(purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_AWAY)
			|| purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_EXTENDED_AWAY)) {
		offset = 1;
	} else {
		offset = 0;
	}

	qd->my_icon = 3 * (face_num - 1) + offset;
	qq_request_buddy_info(gc, qd->uid, 0, QQ_BUDDY_INFO_SET_ICON);
}

static void buddy_local_icon_set(PurpleAccount *account, const gchar *who, const gchar *icon_num, const gchar *iconfile)
{
	gchar *data;
	gsize len;

	if (!g_file_get_contents(iconfile, &data, &len, NULL)) {
		g_return_if_reached();
	} else {
		purple_buddy_icons_set_for_user(account, who, data, len, icon_num);
	}
}

/* TODO: custom faces for QQ members and users with level >= 16 */
void qq_set_buddy_icon(PurpleConnection *gc, PurpleStoredImage *img)
{
	gchar *icon;
	gint icon_num;
	gint icon_len;
	PurpleAccount *account = purple_connection_get_account(gc);
	const gchar *icon_path = purple_account_get_buddy_icon_path(account);
	const gchar *buddy_icon_dir = qq_buddy_icon_dir();
	gint prefix_len = strlen(QQ_ICON_PREFIX);
	gint suffix_len = strlen(QQ_ICON_SUFFIX);
	gint dir_len = buddy_icon_dir ? strlen(buddy_icon_dir) : 0;
	gchar *errmsg = g_strdup_printf(_("Setting custom faces is not currently supported. Please choose an image from %s."), buddy_icon_dir ? buddy_icon_dir : "(null)");
	gboolean icon_global = purple_account_get_bool(gc->account, "use-global-buddyicon", TRUE);

	if (!icon_path)
		icon_path = "";

	icon_len = strlen(icon_path) - dir_len - 1 - prefix_len - suffix_len;

	/* make sure we're using an appropriate icon */
	if (buddy_icon_dir && !(g_ascii_strncasecmp(icon_path, buddy_icon_dir, dir_len) == 0
				&& icon_path[dir_len] == G_DIR_SEPARATOR
				&& g_ascii_strncasecmp(icon_path + dir_len + 1, QQ_ICON_PREFIX, prefix_len) == 0
				&& g_ascii_strncasecmp(icon_path + dir_len + 1 + prefix_len + icon_len, QQ_ICON_SUFFIX, suffix_len) == 0
				&& icon_len <= 3)) {
		if (icon_global)
			purple_debug_error("QQ", "%s\n", errmsg);
		else
			purple_notify_error(gc, _("Invalid QQ Face"), errmsg, NULL);
		g_free(errmsg);
		return;
	}
	/* strip everything but number */
	icon = g_strndup(icon_path + dir_len + 1 + prefix_len, icon_len);
	icon_num = strtol(icon, NULL, 10);
	g_free(icon);
	/* ensure face number in proper range */
	if (icon_num > QQ_FACES) {
		if (icon_global)
			purple_debug_error("QQ", "%s\n", errmsg);
		else
			purple_notify_error(gc, _("Invalid QQ Face"), errmsg, NULL);
		g_free(errmsg);
		return;
	}
	g_free(errmsg);
	/* tell server my icon changed */
	request_set_buddy_icon(gc, icon_num);
	/* display in blist */
	buddy_local_icon_set(account, account->username, icon, icon_path);
}


static void buddy_local_icon_upate(PurpleAccount *account, const gchar *name, gint face)
{
	PurpleBuddy *buddy;
	gchar *icon_num_str = face_to_icon_str(face);
	const gchar *old_icon_num = NULL;

	if ((buddy = purple_find_buddy(account, name)))
		old_icon_num = purple_buddy_icons_get_checksum_for_user(buddy);

	if ((old_icon_num == NULL ||
			strcmp(icon_num_str, old_icon_num)) && (qq_buddy_icon_dir() != NULL))
	{
		gchar *icon_path;

		icon_path = g_strconcat(qq_buddy_icon_dir(), G_DIR_SEPARATOR_S,
				QQ_ICON_PREFIX, icon_num_str,
				QQ_ICON_SUFFIX, NULL);

		buddy_local_icon_set(account, name, icon_num_str, icon_path);
		g_free(icon_path);
	}
	g_free(icon_num_str);
}

/* after getting info or modify myself, refresh the buddy list accordingly */
static void qq_refresh_buddy_and_myself(gchar **segments, PurpleConnection *gc)
{
	PurpleBuddy *b;
	qq_data *qd;
	qq_buddy *q_bud;
	gchar *alias_utf8;
	gchar *purple_name;
	PurpleAccount *account = purple_connection_get_account(gc);

	qd = (qq_data *) gc->proto_data;
	purple_name = uid_to_purple_name(strtol(segments[QQ_INFO_UID], NULL, 10));

	alias_utf8 = qq_to_utf8(segments[QQ_INFO_NICK], QQ_CHARSET_DEFAULT);
	if (qd->uid == strtol(segments[QQ_INFO_UID], NULL, 10)) {	/* it is me */
		qd->my_icon = strtol(segments[QQ_INFO_FACE], NULL, 10);
		if (alias_utf8 != NULL)
			purple_account_set_alias(account, alias_utf8);
	}
	/* update buddy list (including myself, if myself is the buddy) */
	b = purple_find_buddy(gc->account, purple_name);
	q_bud = (b == NULL) ? NULL : (qq_buddy *) b->proto_data;
	if (q_bud != NULL) {	/* I have this buddy */
		q_bud->age = strtol(segments[QQ_INFO_AGE], NULL, 10);
		q_bud->gender = strtol(segments[QQ_INFO_GENDER], NULL, 10);
		q_bud->face = strtol(segments[QQ_INFO_FACE], NULL, 10);
		if (alias_utf8 != NULL)
			q_bud->nickname = g_strdup(alias_utf8);
		qq_update_buddy_contact(gc, q_bud);
		buddy_local_icon_upate(gc->account, purple_name, q_bud->face);
	}
	g_free(purple_name);
	g_free(alias_utf8);
}

/* process reply to get_info packet */
void qq_process_get_buddy_info(guint8 *data, gint data_len, guint32 action, PurpleConnection *gc)
{
	qq_data *qd;
	gchar **segments;

	g_return_if_fail(data != NULL && data_len != 0);

	qd = (qq_data *) gc->proto_data;

	if (NULL == (segments = split_data(data, data_len, "\x1e", QQ_INFO_LAST)))
		return;

#ifdef DEBUG
	info_debug(segments);
#endif

	if (action == QQ_BUDDY_INFO_SET_ICON) {
		if (strtol(segments[QQ_INFO_FACE], NULL, 10) != qd->my_icon) {
			gchar *icon = g_strdup_printf("%d", qd->my_icon);

			g_free(segments[QQ_INFO_FACE]);
			segments[QQ_INFO_FACE] = icon;

			request_modify_info(gc, segments);
			qq_refresh_buddy_and_myself(segments, gc);
		}
		g_strfreev(segments);
		return;
	}

	qq_refresh_buddy_and_myself(segments, gc);
	switch (action) {
		case QQ_BUDDY_INFO_DISPLAY:
			info_display_only(gc, segments);
			break;
		case QQ_BUDDY_INFO_SET_ICON:
			break;
		case QQ_BUDDY_INFO_MODIFY_BASE:
			info_modify_dialogue(gc, segments, QQ_FIELD_BASE);
			break;
		case QQ_BUDDY_INFO_MODIFY_EXT:
			info_modify_dialogue(gc, segments, QQ_FIELD_EXT);
			break;
		case QQ_BUDDY_INFO_MODIFY_ADDR:
			info_modify_dialogue(gc, segments, QQ_FIELD_ADDR);
			break;
		case QQ_BUDDY_INFO_MODIFY_CONTACT:
			info_modify_dialogue(gc, segments, QQ_FIELD_CONTACT);
			break;
		default:
			g_strfreev(segments);
			break;
	}
	return;
}

void qq_request_get_level(PurpleConnection *gc, guint32 uid)
{
	qq_data *qd = (qq_data *) gc->proto_data;
	guint8 buf[16] = {0};
	gint bytes = 0;

	bytes += qq_put8(buf + bytes, 0x00);
	bytes += qq_put32(buf + bytes, uid);

	qd = (qq_data *) gc->proto_data;
	qq_send_cmd(gc, QQ_CMD_GET_LEVEL, buf, bytes);
}

void qq_request_get_buddies_level(PurpleConnection *gc, gint update_class)
{
	guint8 *buf;
	guint16 size;
	qq_buddy *q_bud;
	qq_data *qd = (qq_data *) gc->proto_data;
	GList *node = qd->buddies;
	gint bytes = 0;

	if ( qd->buddies == NULL) {
		return;
	}
	/* server only reply levels for online buddies */
	size = 4 * g_list_length(qd->buddies) + 1 + 4;
	buf = g_newa(guint8, size);
	bytes += qq_put8(buf + bytes, 0x00);

	while (NULL != node) {
		q_bud = (qq_buddy *) node->data;
		if (NULL != q_bud) {
			bytes += qq_put32(buf + bytes, q_bud->uid);
		}
		node = node->next;
	}

	/* my id should be the end if included */
	bytes += qq_put32(buf + bytes, qd->uid);
	qq_send_cmd_mess(gc, QQ_CMD_GET_LEVEL, buf, size, update_class, 0);
}

void qq_process_get_level_reply(guint8 *decr_buf, gint decr_len, PurpleConnection *gc)
{
	guint32 uid, onlineTime;
	guint16 level, timeRemainder;
	gchar *purple_name;
	PurpleBuddy *b;
	qq_buddy *q_bud;
	gint i;
	PurpleAccount *account = purple_connection_get_account(gc);
	qq_data *qd = (qq_data *) gc->proto_data;
	gint bytes = 0;

	decr_len--;
	if (decr_len % 12 != 0) {
		purple_debug_error("QQ",
				"Get levels list of abnormal length. Truncating last %d bytes.\n", decr_len % 12);
		decr_len -= (decr_len % 12);
	}

	bytes += 1;
	/* this byte seems random */
	/*
	   purple_debug_info("QQ", "Byte one of get_level packet: %d\n", buf[0]);
	   */
	for (i = 0; i < decr_len; i += 12) {
		bytes += qq_get32(&uid, decr_buf + bytes);
		bytes += qq_get32(&onlineTime, decr_buf + bytes);
		bytes += qq_get16(&level, decr_buf + bytes);
		bytes += qq_get16(&timeRemainder, decr_buf + bytes);
		purple_debug_info("QQ_LEVEL", "%d, tmOnline: %d, level: %d, tmRemainder: %d\n",
				uid, onlineTime, level, timeRemainder);
		if (uid == qd->uid) {
			qd->my_level = level;
			purple_debug_warning("QQ", "Got my levels as %d\n", qd->my_level);
			continue;
		}

		purple_name = uid_to_purple_name(uid);
		if (purple_name == NULL) {
			continue;
		}

		b = purple_find_buddy(account, purple_name);
		g_free(purple_name);

		q_bud = NULL;
		if (b != NULL) {
			q_bud = (qq_buddy *) b->proto_data;
		}

		if (q_bud == NULL) {
			purple_debug_error("QQ", "Got levels of %d not in my buddy list\n", uid);
			continue;
		}

		q_bud->onlineTime = onlineTime;
		q_bud->level = level;
		q_bud->timeRemainder = timeRemainder;
	}
}