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80 lines
1.9 KiB
80 lines
1.9 KiB
/**
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* $Id$
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*
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* Copyright (C) 2011 Flowroute LLC (flowroute.com)
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <json.h>
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#include "../../mod_fix.h"
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#include "../../lvalue.h"
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#include "json_funcs.h"
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int json_get_field(struct sip_msg* msg, char* json, char* field, char* dst)
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{
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str json_s;
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str field_s;
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pv_spec_t *dst_pv;
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pv_value_t dst_val;
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char *value;
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struct json_object *j = NULL;
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struct json_object *oj = NULL;
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int ret;
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if (fixup_get_svalue(msg, (gparam_p)json, &json_s) != 0) {
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LM_ERR("cannot get json string value\n");
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return -1;
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}
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if (fixup_get_svalue(msg, (gparam_p)field, &field_s) != 0) {
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LM_ERR("cannot get field string value\n");
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return -1;
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}
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dst_pv = (pv_spec_t *)dst;
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j = json_tokener_parse(json_s.s);
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if (j==NULL) {
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LM_ERR("empty or invalid JSON\n");
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return -1;
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}
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json_object_object_get_ex(j, field_s.s, &oj);
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if(oj!=NULL) {
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value = (char*)json_object_to_json_string(oj);
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dst_val.rs.s = value;
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dst_val.rs.len = strlen(value);
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dst_val.flags = PV_VAL_STR;
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dst_pv->setf(msg, &dst_pv->pvp, (int)EQ_T, &dst_val);
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ret = 1;
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} else {
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ret = -1;
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}
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json_object_put(j);
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return ret;
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}
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