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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
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, see <https://www.gnu.org/licenses/>.
*/
#include "im_iscomposing_body.h"
#include <cassert>
#include <libxml/parser.h>
#include "log.h"
#include "util.h"
#include "audits/memman.h"
#define IM_ISCOMPOSING_NAMESPACE "urn:ietf:params:xml:ns:im-iscomposing"
#define IS_IM_ISCOMPOSING_TAG(node, tag) IS_XML_TAG(node, tag, IM_ISCOMPOSING_NAMESPACE)
#define IS_IM_ISCOMPOSING_ATTR(attr, attr_name) IS_XML_ATTR(attr, attr_name, IM_ISCOMPOSING_NAMESPACE)
bool t_im_iscomposing_xml_body::extract_data(void) {
assert(xml_doc);
state_.clear();
refresh_ = 0;
xmlNode *root_element = NULL;
// Get root
root_element = xmlDocGetRootElement(xml_doc);
if (!root_element) {
log_file->write_report("im-iscomposing document has no root element.",
"t_im_iscomposing_xml_body::extract_data",
LOG_NORMAL, LOG_WARNING);
return false;
}
// Check if root is <isComposing>
if (!IS_IM_ISCOMPOSING_TAG(root_element, "isComposing")) {
log_file->write_report("im-iscomposing document has invalid root element.",
"t_im_iscomposing_xml_body::extract_data",
LOG_NORMAL, LOG_WARNING);
return false;
}
xmlNode *child = root_element->children;
// Process children of root.
bool state_present = false;
for (xmlNode *cur_node = child; cur_node; cur_node = cur_node->next) {
if (IS_IM_ISCOMPOSING_TAG(cur_node, "state")) {
state_present = process_node_state(cur_node);
} else if (IS_IM_ISCOMPOSING_TAG(cur_node, "refresh")) {
process_node_refresh(cur_node);
}
}
// The state node is mandatory, so return only true if it is present.
return state_present;
}
bool t_im_iscomposing_xml_body::process_node_state(xmlNode *node) {
assert(node);
xmlNode *child = node->children;
if (child && child->type == XML_TEXT_NODE) {
state_ = tolower((char*)child->content);
} else {
log_file->write_report("<state> element has no content.",
"t_im_iscomposing_xml_body::process_node_state",
LOG_NORMAL, LOG_WARNING);
return false;
}
return true;
}
void t_im_iscomposing_xml_body::process_node_refresh(xmlNode *node) {
assert(node);
xmlNode *child = node->children;
if (child && child->type == XML_TEXT_NODE) {
refresh_ = atoi((char*)child->content);
} else {
log_file->write_report("<refresh> element has no content.",
"t_im_iscomposing_xml_body::process_node_refresh",
LOG_NORMAL, LOG_WARNING);
}
}
void t_im_iscomposing_xml_body::create_xml_doc(
const string &xml_version,
const string &charset)
{
t_sip_body_xml::create_xml_doc(xml_version, charset);
// isComposing
xmlNode *node_iscomposing = xmlNewNode(NULL, BAD_CAST "isComposing");
xmlNs *ns_im_iscomposing = xmlNewNs(node_iscomposing, BAD_CAST IM_ISCOMPOSING_NAMESPACE, NULL);
xmlDocSetRootElement(xml_doc, node_iscomposing);
// state
xmlNewChild(node_iscomposing, ns_im_iscomposing,
BAD_CAST "state",
BAD_CAST state_.c_str());
// refresh
if (refresh_ > 0) {
xmlNewChild(node_iscomposing, ns_im_iscomposing,
BAD_CAST "refresh",
BAD_CAST int2str(refresh_).c_str());
}
}
t_im_iscomposing_xml_body::t_im_iscomposing_xml_body() : t_sip_body_xml (),
state_(IM_ISCOMPOSING_STATE_IDLE),
refresh_(0)
{}
t_sip_body *t_im_iscomposing_xml_body::copy(void) const {
t_im_iscomposing_xml_body *body = new t_im_iscomposing_xml_body(*this);
MEMMAN_NEW(body);
// Clear the xml_doc pointer in the new body, as a copy of the
// XML document must be copied to the body.
body->xml_doc = NULL;
copy_xml_doc(body);
return body;
}
t_body_type t_im_iscomposing_xml_body::get_type(void) const {
return BODY_IM_ISCOMPOSING_XML;
}
t_media t_im_iscomposing_xml_body::get_media(void) const {
return t_media("application", "im-iscomposing+xml");
}
bool t_im_iscomposing_xml_body::parse(const string &s) {
if (t_sip_body_xml::parse(s)) {
if (!extract_data()) {
MEMMAN_DELETE(xml_doc);
xmlFreeDoc(xml_doc);
xml_doc = NULL;
}
}
return (xml_doc != NULL);
}
string t_im_iscomposing_xml_body::get_state(void) const {
return state_;
}
time_t t_im_iscomposing_xml_body::get_refresh(void) const {
return refresh_;
}
void t_im_iscomposing_xml_body::set_state(const string &state) {
state_ = state;
}
void t_im_iscomposing_xml_body::set_refresh(time_t refresh) {
refresh_ = refresh;
}
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