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118 lines
3.2 KiB
118 lines
3.2 KiB
/*
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* asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2014, Digium, Inc.
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*
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* Kevin Harwell <kharwell@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*** MODULEINFO
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<depend>pjproject</depend>
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<depend>res_pjsip</depend>
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<depend>res_pjsip_pubsub</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include <pjsip.h>
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#include <pjsip_simple.h>
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#include <pjlib.h>
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#include "asterisk/module.h"
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#include "asterisk/presencestate.h"
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#include "asterisk/res_pjsip.h"
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#include "asterisk/res_pjsip_pubsub.h"
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#include "asterisk/res_pjsip_presence_xml.h"
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#include "asterisk/res_pjsip_body_generator_types.h"
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static int pidf_supplement_body(void *body, void *data)
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{
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struct ast_sip_exten_state_data *state_data = data;
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pj_xml_node *node;
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char sanitized[1024];
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if (ast_strlen_zero(state_data->user_agent) ||
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!strstr(state_data->user_agent, "digium")) {
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/* not a digium phone */
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return 0;
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}
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if (!(node = ast_sip_presence_xml_create_node(
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state_data->pool, body, "tuple"))) {
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ast_log(LOG_WARNING, "Unable to create PIDF tuple\n");
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return -1;
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}
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ast_sip_presence_xml_create_attr(
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state_data->pool, node, "id", "digium-presence");
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if (!(node = ast_sip_presence_xml_create_node(
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state_data->pool, node, "status"))) {
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ast_log(LOG_WARNING, "Unable to create PIDF tuple status\n");
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return -1;
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}
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if (!(node = ast_sip_presence_xml_create_node(
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state_data->pool, node, "digium_presence"))) {
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ast_log(LOG_WARNING, "Unable to create digium presence\n");
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return -1;
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}
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if (!ast_strlen_zero(state_data->presence_message)) {
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ast_sip_sanitize_xml(state_data->presence_message, sanitized, sizeof(sanitized));
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pj_strdup2(state_data->pool, &node->content, sanitized);
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}
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ast_sip_presence_xml_create_attr(
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state_data->pool, node, "type", ast_presence_state2str(
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state_data->presence_state));
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if (!ast_strlen_zero(state_data->presence_subtype)) {
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ast_sip_sanitize_xml(state_data->presence_subtype, sanitized, sizeof(sanitized));
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ast_sip_presence_xml_create_attr(
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state_data->pool, node, "subtype", sanitized);
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}
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return 0;
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}
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static struct ast_sip_pubsub_body_supplement pidf_supplement = {
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.type = "application",
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.subtype = "pidf+xml",
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.supplement_body = pidf_supplement_body,
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};
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static int load_module(void)
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{
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CHECK_PJSIP_PUBSUB_MODULE_LOADED();
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if (ast_sip_pubsub_register_body_supplement(&pidf_supplement)) {
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return AST_MODULE_LOAD_DECLINE;
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}
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return AST_MODULE_LOAD_SUCCESS;
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}
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static int unload_module(void)
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{
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ast_sip_pubsub_unregister_body_supplement(&pidf_supplement);
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return 0;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP PIDF Digium presence supplement",
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.support_level = AST_MODULE_SUPPORT_CORE,
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.load = load_module,
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.unload = unload_module,
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.load_pri = AST_MODPRI_CHANNEL_DEPEND,
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);
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