/* $Id$ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono * * 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 #include #include #include #include #include /* 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 = (char*) 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((const pj_xml_node*)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, (const pj_xml_node*)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_T(pool, 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; }