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/* $Id$ */
/*
* Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org>
*
* 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
*/
#include <pjsip-simple/iscomposing.h>
#include <pjsip-simple/errno.h>
#include <pjsip/sip_msg.h>
#include <pjlib-util/errno.h>
#include <pj/pool.h>
#include <pj/string.h>
/* MIME */
static const pj_str_t STR_MIME_TYPE = { "application", 11 };
static const pj_str_t STR_MIME_SUBTYPE = { "im-iscomposing+xml", 18 };
/* XML node constants. */
static const pj_str_t STR_ISCOMPOSING = { "isComposing", 11 };
static const pj_str_t STR_STATE = { "state", 5 };
static const pj_str_t STR_ACTIVE = { "active", 6 };
static const pj_str_t STR_IDLE = { "idle", 4 };
static const pj_str_t STR_LASTACTIVE = { "lastactive", 10 };
static const pj_str_t STR_CONTENTTYPE = { "contenttype", 11 };
static const pj_str_t STR_REFRESH = { "refresh", 7 };
/* XML attributes constants */
static const pj_str_t STR_XMLNS_NAME = { "xmlns", 5 };
static const pj_str_t STR_XMLNS_VAL = { "urn:ietf:params:xml:ns:im-iscomposing", 37 };
static const pj_str_t STR_XMLNS_XSI_NAME = { "xmlns:xsi", 9 };
static const pj_str_t STR_XMLNS_XSI_VAL = { "http://www.w3.org/2001/XMLSchema-instance", 41 };
static const pj_str_t STR_XSI_SLOC_NAME = { "xsi:schemaLocation", 18 };
static const pj_str_t STR_XSI_SLOC_VAL = { "urn:ietf:params:xml:ns:im-composing iscomposing.xsd", 51 };
PJ_DEF(pj_xml_node*) pjsip_iscomposing_create_xml( pj_pool_t *pool,
pj_bool_t is_composing,
const pj_time_val *lst_actv,
const pj_str_t *content_tp,
int refresh)
{
pj_xml_node *doc, *node;
pj_xml_attr *attr;
/* Root document. */
doc = pj_xml_node_new(pool, &STR_ISCOMPOSING);
/* Add attributes */
attr = pj_xml_attr_new(pool, &STR_XMLNS_NAME, &STR_XMLNS_VAL);
pj_xml_add_attr(doc, attr);
attr = pj_xml_attr_new(pool, &STR_XMLNS_XSI_NAME, &STR_XMLNS_XSI_VAL);
pj_xml_add_attr(doc, attr);
attr = pj_xml_attr_new(pool, &STR_XSI_SLOC_NAME, &STR_XSI_SLOC_VAL);
pj_xml_add_attr(doc, attr);
/* Add state. */
node = pj_xml_node_new(pool, &STR_STATE);
if (is_composing)
node->content = STR_ACTIVE;
else
node->content = STR_IDLE;
pj_xml_add_node(doc, node);
/* Add lastactive, if any. */
PJ_UNUSED_ARG(lst_actv);
//if (!is_composing && lst_actv) {
// PJ_TODO(IMPLEMENT_LAST_ACTIVE_ATTRIBUTE);
//}
/* Add contenttype, if any. */
if (content_tp) {
node = pj_xml_node_new(pool, &STR_CONTENTTYPE);
pj_strdup(pool, &node->content, content_tp);
pj_xml_add_node(doc, node);
}
/* Add refresh, if any. */
if (is_composing && refresh > 1 && refresh < 3601) {
node = pj_xml_node_new(pool, &STR_REFRESH);
node->content.ptr = pj_pool_alloc(pool, 10);
node->content.slen = pj_utoa(refresh, node->content.ptr);
pj_xml_add_node(doc, node);
}
/* Done! */
return doc;
}
/*
* Function to print XML message body.
*/
static int xml_print_body( struct pjsip_msg_body *msg_body,
char *buf, pj_size_t size)
{
return pj_xml_print(msg_body->data, buf, size, PJ_TRUE);
}
/*
* Function to clone XML document.
*/
static void* xml_clone_data(pj_pool_t *pool, const void *data, unsigned len)
{
PJ_UNUSED_ARG(len);
return pj_xml_clone( pool, data);
}
PJ_DEF(pjsip_msg_body*) pjsip_iscomposing_create_body( pj_pool_t *pool,
pj_bool_t is_composing,
const pj_time_val *lst_actv,
const pj_str_t *content_tp,
int refresh)
{
pj_xml_node *doc;
pjsip_msg_body *body;
doc = pjsip_iscomposing_create_xml( pool, is_composing, lst_actv,
content_tp, refresh);
if (doc == NULL)
return NULL;
body = pj_pool_zalloc(pool, sizeof(pjsip_msg_body));
body->content_type.type = STR_MIME_TYPE;
body->content_type.subtype = STR_MIME_SUBTYPE;
body->data = doc;
body->len = 0;
body->print_body = &xml_print_body;
body->clone_data = &xml_clone_data;
return body;
}
PJ_DEF(pj_status_t) pjsip_iscomposing_parse( pj_pool_t *pool,
char *msg,
pj_size_t len,
pj_bool_t *p_is_composing,
pj_str_t **p_last_active,
pj_str_t **p_content_type,
int *p_refresh )
{
pj_xml_node *doc, *node;
/* Set defaults: */
if (p_is_composing) *p_is_composing = PJ_FALSE;
if (p_last_active) *p_last_active = NULL;
if (p_content_type) *p_content_type = NULL;
/* Parse XML */
doc = pj_xml_parse( pool, msg, len);
if (!doc)
return PJLIB_UTIL_EINXML;
/* Root document must be "isComposing" */
if (pj_stricmp(&doc->name, &STR_ISCOMPOSING) != 0)
return PJSIP_SIMPLE_EBADISCOMPOSE;
/* Get the status. */
if (p_is_composing) {
node = pj_xml_find_node(doc, &STR_STATE);
if (node == NULL)
return PJSIP_SIMPLE_EBADISCOMPOSE;
*p_is_composing = (pj_stricmp(&node->content, &STR_ACTIVE)==0);
}
/* Get last active. */
if (p_last_active) {
node = pj_xml_find_node(doc, &STR_LASTACTIVE);
if (node)
*p_last_active = &node->content;
}
/* Get content type */
if (p_content_type) {
node = pj_xml_find_node(doc, &STR_CONTENTTYPE);
if (node)
*p_content_type = &node->content;
}
/* Get refresh */
if (p_refresh) {
node = pj_xml_find_node(doc, &STR_REFRESH);
if (node)
*p_refresh = pj_strtoul(&node->content);
}
return PJ_SUCCESS;
}
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