jabber.c

Linux下的多协议即时通讯程序源代码

PurpleChat *jabber_find_blist_chat(PurpleAccount *account, const char *name)
{
	PurpleBlistNode *gnode, *cnode;
	JabberID *jid;

	if(!(jid = jabber_id_new(name)))
		return NULL;

	for(gnode = purple_get_blist()->root; gnode; gnode = gnode->next) {
		for(cnode = gnode->child; cnode; cnode = cnode->next) {
			PurpleChat *chat = (PurpleChat*)cnode;
			const char *room, *server;
			if(!PURPLE_BLIST_NODE_IS_CHAT(cnode))
				continue;

			if(chat->account != account)
				continue;

			if(!(room = g_hash_table_lookup(chat->components, "room")))
				continue;
			if(!(server = g_hash_table_lookup(chat->components, "server")))
				continue;

			if(jid->node && jid->domain &&
					!g_utf8_collate(room, jid->node) && !g_utf8_collate(server, jid->domain)) {
				jabber_id_free(jid);
				return chat;
			}
		}
	}
	jabber_id_free(jid);
	return NULL;
}

void jabber_convo_closed(PurpleConnection *gc, const char *who)
{
	JabberStream *js = gc->proto_data;
	JabberID *jid;
	JabberBuddy *jb;
	JabberBuddyResource *jbr;

	if(!(jid = jabber_id_new(who)))
		return;

	if((jb = jabber_buddy_find(js, who, TRUE)) &&
			(jbr = jabber_buddy_find_resource(jb, jid->resource))) {
		if(jbr->thread_id) {
			g_free(jbr->thread_id);
			jbr->thread_id = NULL;
		}
		if(jbr->chat_states == JABBER_CHAT_STATES_SUPPORTED)
			jabber_message_conv_closed(js, who);
	}

	jabber_id_free(jid);
}


char *jabber_parse_error(JabberStream *js, xmlnode *packet)
{
	xmlnode *error;
	const char *code = NULL, *text = NULL;
	const char *xmlns = xmlnode_get_namespace(packet);
	char *cdata = NULL;

	if((error = xmlnode_get_child(packet, "error"))) {
		cdata = xmlnode_get_data(error);
		code = xmlnode_get_attrib(error, "code");

		/* Stanza errors */
		if(xmlnode_get_child(error, "bad-request")) {
			text = _("Bad Request");
		} else if(xmlnode_get_child(error, "conflict")) {
			text = _("Conflict");
		} else if(xmlnode_get_child(error, "feature-not-implemented")) {
			text = _("Feature Not Implemented");
		} else if(xmlnode_get_child(error, "forbidden")) {
			text = _("Forbidden");
		} else if(xmlnode_get_child(error, "gone")) {
			text = _("Gone");
		} else if(xmlnode_get_child(error, "internal-server-error")) {
			text = _("Internal Server Error");
		} else if(xmlnode_get_child(error, "item-not-found")) {
			text = _("Item Not Found");
		} else if(xmlnode_get_child(error, "jid-malformed")) {
			text = _("Malformed XMPP ID");
		} else if(xmlnode_get_child(error, "not-acceptable")) {
			text = _("Not Acceptable");
		} else if(xmlnode_get_child(error, "not-allowed")) {
			text = _("Not Allowed");
		} else if(xmlnode_get_child(error, "not-authorized")) {
			text = _("Not Authorized");
		} else if(xmlnode_get_child(error, "payment-required")) {
			text = _("Payment Required");
		} else if(xmlnode_get_child(error, "recipient-unavailable")) {
			text = _("Recipient Unavailable");
		} else if(xmlnode_get_child(error, "redirect")) {
			/* XXX */
		} else if(xmlnode_get_child(error, "registration-required")) {
			text = _("Registration Required");
		} else if(xmlnode_get_child(error, "remote-server-not-found")) {
			text = _("Remote Server Not Found");
		} else if(xmlnode_get_child(error, "remote-server-timeout")) {
			text = _("Remote Server Timeout");
		} else if(xmlnode_get_child(error, "resource-constraint")) {
			text = _("Server Overloaded");
		} else if(xmlnode_get_child(error, "service-unavailable")) {
			text = _("Service Unavailable");
		} else if(xmlnode_get_child(error, "subscription-required")) {
			text = _("Subscription Required");
		} else if(xmlnode_get_child(error, "unexpected-request")) {
			text = _("Unexpected Request");
		} else if(xmlnode_get_child(error, "undefined-condition")) {
			text = _("Unknown Error");
		}
	} else if(xmlns && !strcmp(xmlns, "urn:ietf:params:xml:ns:xmpp-sasl")) {
		if(xmlnode_get_child(packet, "aborted")) {
			js->gc->wants_to_die = TRUE;
			text = _("Authorization Aborted");
		} else if(xmlnode_get_child(packet, "incorrect-encoding")) {
			text = _("Incorrect encoding in authorization");
		} else if(xmlnode_get_child(packet, "invalid-authzid")) {
			js->gc->wants_to_die = TRUE;
			text = _("Invalid authzid");
		} else if(xmlnode_get_child(packet, "invalid-mechanism")) {
			js->gc->wants_to_die = TRUE;
			text = _("Invalid Authorization Mechanism");
		} else if(xmlnode_get_child(packet, "mechanism-too-weak")) {
			js->gc->wants_to_die = TRUE;
			text = _("Authorization mechanism too weak");
		} else if(xmlnode_get_child(packet, "not-authorized")) {
			js->gc->wants_to_die = TRUE;
			text = _("Not Authorized");
		} else if(xmlnode_get_child(packet, "temporary-auth-failure")) {
			text = _("Temporary Authentication Failure");
		} else {
			js->gc->wants_to_die = TRUE;
			text = _("Authentication Failure");
		}
	} else if(!strcmp(packet->name, "stream:error") ||
			 (!strcmp(packet->name, "error") &&
				!strcmp(xmlns, "http://etherx.jabber.org/streams"))) {
		if(xmlnode_get_child(packet, "bad-format")) {
			text = _("Bad Format");
		} else if(xmlnode_get_child(packet, "bad-namespace-prefix")) {
			text = _("Bad Namespace Prefix");
		} else if(xmlnode_get_child(packet, "conflict")) {
			js->gc->wants_to_die = TRUE;
			text = _("Resource Conflict");
		} else if(xmlnode_get_child(packet, "connection-timeout")) {
			text = _("Connection Timeout");
		} else if(xmlnode_get_child(packet, "host-gone")) {
			text = _("Host Gone");
		} else if(xmlnode_get_child(packet, "host-unknown")) {
			text = _("Host Unknown");
		} else if(xmlnode_get_child(packet, "improper-addressing")) {
			text = _("Improper Addressing");
		} else if(xmlnode_get_child(packet, "internal-server-error")) {
			text = _("Internal Server Error");
		} else if(xmlnode_get_child(packet, "invalid-id")) {
			text = _("Invalid ID");
		} else if(xmlnode_get_child(packet, "invalid-namespace")) {
			text = _("Invalid Namespace");
		} else if(xmlnode_get_child(packet, "invalid-xml")) {
			text = _("Invalid XML");
		} else if(xmlnode_get_child(packet, "nonmatching-hosts")) {
			text = _("Non-matching Hosts");
		} else if(xmlnode_get_child(packet, "not-authorized")) {
			text = _("Not Authorized");
		} else if(xmlnode_get_child(packet, "policy-violation")) {
			text = _("Policy Violation");
		} else if(xmlnode_get_child(packet, "remote-connection-failed")) {
			text = _("Remote Connection Failed");
		} else if(xmlnode_get_child(packet, "resource-constraint")) {
			text = _("Resource Constraint");
		} else if(xmlnode_get_child(packet, "restricted-xml")) {
			text = _("Restricted XML");
		} else if(xmlnode_get_child(packet, "see-other-host")) {
			text = _("See Other Host");
		} else if(xmlnode_get_child(packet, "system-shutdown")) {
			text = _("System Shutdown");
		} else if(xmlnode_get_child(packet, "undefined-condition")) {
			text = _("Undefined Condition");
		} else if(xmlnode_get_child(packet, "unsupported-encoding")) {
			text = _("Unsupported Encoding");
		} else if(xmlnode_get_child(packet, "unsupported-stanza-type")) {
			text = _("Unsupported Stanza Type");
		} else if(xmlnode_get_child(packet, "unsupported-version")) {
			text = _("Unsupported Version");
		} else if(xmlnode_get_child(packet, "xml-not-well-formed")) {
			text = _("XML Not Well Formed");
		} else {
			text = _("Stream Error");
		}
	}

	if(text || cdata) {
		char *ret = g_strdup_printf("%s%s%s", code ? code : "",
				code ? ": " : "", text ? text : cdata);
		g_free(cdata);
		return ret;
	} else {
		return NULL;
	}
}

static PurpleCmdRet jabber_cmd_chat_config(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	jabber_chat_request_room_configure(chat);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_register(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	jabber_chat_register(chat);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_topic(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	jabber_chat_change_topic(chat, args ? args[0] : NULL);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_nick(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);

	if(!args || !args[0])
		return PURPLE_CMD_RET_FAILED;

	jabber_chat_change_nick(chat, args[0]);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_part(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	jabber_chat_part(chat, args ? args[0] : NULL);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_ban(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);

	if(!args || !args[0])
		return PURPLE_CMD_RET_FAILED;

	if(!jabber_chat_ban_user(chat, args[0], args[1])) {
		*error = g_strdup_printf(_("Unable to ban user %s"), args[0]);
		return PURPLE_CMD_RET_FAILED;
	}

	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_affiliate(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);

	if (!args || !args[0] || !args[1])
		return PURPLE_CMD_RET_FAILED;

	if (strcmp(args[1], "owner") != 0 && 
	    strcmp(args[1], "admin") != 0 &&
	    strcmp(args[1], "member") != 0 &&
	    strcmp(args[1], "outcast") != 0 &&
	    strcmp(args[1], "none") != 0) {
		*error = g_strdup_printf(_("Unknown affiliation: \"%s\""), args[1]);
		return PURPLE_CMD_RET_FAILED;
	}

	if (!jabber_chat_affiliate_user(chat, args[0], args[1])) {
		*error = g_strdup_printf(_("Unable to affiliate user %s as \"%s\""), args[0], args[1]);
		return PURPLE_CMD_RET_FAILED;
	}

	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_role(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat;

	if (!args || !args[0] || !args[1])
		return PURPLE_CMD_RET_FAILED;

	if (strcmp(args[1], "moderator") != 0 &&
	    strcmp(args[1], "participant") != 0 &&
	    strcmp(args[1], "visitor") != 0 &&
	    strcmp(args[1], "none") != 0) {
		*error = g_strdup_printf(_("Unknown role: \"%s\""), args[1]);
		return PURPLE_CMD_RET_FAILED;
	}

	chat = jabber_chat_find_by_conv(conv);

	if (!jabber_chat_role_user(chat, args[0], args[1])) {
		*error = g_strdup_printf(_("Unable to set role \"%s\" for user: %s"),
		                         args[1], args[0]);
		return PURPLE_CMD_RET_FAILED;
	}

	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_invite(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	if(!args || !args[0])
		return PURPLE_CMD_RET_FAILED;

	jabber_chat_invite(purple_conversation_get_gc(conv),
			purple_conv_chat_get_id(PURPLE_CONV_CHAT(conv)), args[1] ? args[1] : "",
			args[0]);

	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_join(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	GHashTable *components;

	if(!args || !args[0])
		return PURPLE_CMD_RET_FAILED;

	components = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, NULL);

	g_hash_table_replace(components, "room", args[0]);
	g_hash_table_replace(components, "server", chat->server);
	g_hash_table_replace(components, "handle", chat->handle);
	if(args[1])
		g_hash_table_replace(components, "password", args[1]);

	jabber_chat_join(purple_conversation_get_gc(conv), components);

	g_hash_table_destroy(components);
	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_kick(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);

	if(!args || !args[0])
		return PURPLE_CMD_RET_FAILED;

	if(!jabber_chat_kick_user(chat, args[0], args[1])) {
		*error = g_strdup_printf(_("Unable to kick user %s"), args[0]);
		return PURPLE_CMD_RET_FAILED;
	}

	return PURPLE_CMD_RET_OK;
}

static PurpleCmdRet jabber_cmd_chat_msg(PurpleConversation *conv,
		const char *cmd, char **args, char **error, void *data)
{
	JabberChat *chat = jabber_chat_find_by_conv(conv);
	char *who;

	who = g_strdup_printf("%s@%s/%s", chat->room, chat->server, args[0]);

	jabber_message_send_im(purple_conversation_get_gc(conv), who, args[1], 0);

	g_free(who);
	return PURPLE_CMD_RET_OK;
}

gboolean jabber_offline_message(const PurpleBuddy *buddy)
{
	return TRUE;
}

void jabber_register_commands(void)
{
	purple_cmd_register("config", "", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY,
	                  "prpl-jabber", jabber_cmd_chat_config,
	                  _("config:  Configure a chat room."), NULL);
	purple_cmd_register("configure", "", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY,
	                  "prpl-jabber", jabber_cmd_chat_config,
	                  _("configure:  Configure a chat room."), NULL);
	purple_cmd_register("nick", "s", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY,
	                  "prpl-jabber", jabber_cmd_chat_nick,
	                  _("nick <new nickname>:  Change your nickname."),
	                  NULL);
	purple_cmd_register("part", "s", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_part, _("part [room]:  Leave the room."),
	                  NULL);
	purple_cmd_register("register", "", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY,
	                  "prpl-jabber", jabber_cmd_chat_register,
	                  _("register:  Register with a chat room."), NULL);
	/* XXX: there needs to be a core /topic cmd, methinks */
	purple_cmd_register("topic", "s", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_topic,
	                  _("topic [new topic]:  View or change the topic."),
	                  NULL);
	purple_cmd_register("ban", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_ban,
	                  _("ban <user> [room]:  Ban a user from the room."),
	                  NULL);
	purple_cmd_register("affiliate", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_affiliate,
	                  _("affiliate <user> <owner|admin|member|outcast|none>: Set a user's affiliation with the room."),
	                  NULL);
	purple_cmd_register("role", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_role,
	                  _("role <user> <moderator|participant|visitor|none>: Set a user's role in the room."),
	                  NULL);
	purple_cmd_register("invite", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_invite,
	                  _("invite <user> [message]:  Invite a user to the room."),
	                  NULL);
	purple_cmd_register("join", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_join,
	                  _("join: <room> [server]:  Join a chat on this server."),
	                  NULL);
	purple_cmd_register("kick", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY |
	                  PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS, "prpl-jabber",
	                  jabber_cmd_chat_kick,
	                  _("kick <user> [room]:  Kick a user from the room."),
	                  NULL);
	purple_cmd_register("msg", "ws", PURPLE_CMD_P_PRPL,
	                  PURPLE_CMD_FLAG_CHAT | PURPLE_CMD_FLAG_PRPL_ONLY,
	                  "prpl-jabber", jabber_cmd_chat_msg,
	                  _("msg <user> <message>:  Send a private message to another user."),
	                  NULL);
}

void
jabber_init_plugin(PurplePlugin *plugin)
{
        my_protocol = plugin;
}