int janssonmod_get(struct sip_msg* msg, char* path_in, char* src_in, char* dst)
{
str src_s;
str path_s;
pv_spec_t *dst_pv;
pv_value_t dst_val;
if (fixup_get_svalue(msg, (gparam_p)src_in, &src_s) != 0) {
ERR("cannot get json string value\n");
return -1;
}
if (fixup_get_svalue(msg, (gparam_p)path_in, &path_s) != 0) {
ERR("cannot get path string value\n");
return -1;
}
dst_pv = (pv_spec_t *)dst;
json_t* json = NULL;
json_error_t parsing_error;
json = json_loads(src_s.s, JSON_REJECT_DUPLICATES, &parsing_error);
if(!json) {
ERR("failed to parse: %.*s\n", src_s.len, src_s.s);
ERR("json error at line %d: %s\n",
parsing_error.line, parsing_error.text);
goto fail;
}
char* path = path_s.s;
json_t* v = json_path_get(json, path);
if(!v) {
goto fail;
}
char* freeme = NULL;
if(jansson_to_val(&dst_val, &freeme, v)<0) goto fail;
dst_pv->setf(msg, &dst_pv->pvp, (int)EQ_T, &dst_val);
if(freeme!=NULL) {
free(freeme);
}
json_decref(json);
return 1;
fail:
json_decref(json);
return -1;
}
int janssonmod_get_helper(sip_msg_t* msg, str *path_s, str *src_s, pv_spec_t *dst_pv)
{
pv_value_t dst_val;
json_t* json = NULL;
json_error_t parsing_error;
json = json_loads(src_s->s, JSON_REJECT_DUPLICATES, &parsing_error);
if(!json) {
ERR("failed to parse: %.*s\n", src_s->len, src_s->s);
ERR("json error at line %d: %s\n",
parsing_error.line, parsing_error.text);
goto fail;
}
char* path = path_s->s;
json_t* v = json_path_get(json, path);
if(!v) {
goto fail;
}
char* freeme = NULL;
if(jansson_to_val(&dst_val, &freeme, v)<0) goto fail;
dst_pv->setf(msg, &dst_pv->pvp, (int)EQ_T, &dst_val);
if(freeme!=NULL) {
free(freeme);
}
json_decref(json);
return 1;
fail:
json_decref(json);
return -1;
}
int janssonmod_set(unsigned int append, struct sip_msg* msg, char* type_in,
char* path_in, char* value_in, char* result_in)
{
str type_s;
str value_s;
str path_s;
pv_spec_t* result_pv;
pv_value_t result_val;
if (fixup_get_svalue(msg, (gparam_p)type_in, &type_s) != 0){
ERR("cannot get type string value\n");
return -1;
}
if (fixup_get_svalue(msg, (gparam_p)value_in, &value_s) != 0){
ERR("cannot get value string\n");
return -1;
}
if (fixup_get_svalue(msg, (gparam_p)path_in, &path_s) != 0){
ERR("cannot get path string value\n");
return -1;
}
result_pv = (pv_spec_t *)result_in;
if(pv_get_spec_value(msg, result_pv, &result_val)!=0
|| result_val.flags != PV_VAL_STR) {
result_val.flags = PV_VAL_STR;
result_val.rs.s = "{}";
result_val.rs.len = strlen("{}");
}
/*
ALERT("type is: %.*s\n", type_s.len, type_s.s);
ALERT("path is: %.*s\n", path_s.len, path_s.s);
ALERT("value is: %.*s\n", value_s.len, value_s.s);
ALERT("result is: %.*s\n", result_val.rs.len, result_val.rs.s);
*/
char* result = result_val.rs.s;
json_t* result_json = NULL;
json_t* value = NULL;
char* freeme = NULL;
json_error_t parsing_error = {0};
char* endptr;
/* check the type */
if(STR_EQ_STATIC(type_s, "object") || STR_EQ_STATIC(type_s, "obj")){
value = json_loads(value_s.s, JSON_REJECT_DUPLICATES, &parsing_error);
if(value && !json_is_object(value)) {
ERR("value to add is not an object - \"%s\"\n", path_s.s);
goto fail;
}
}else if(STR_EQ_STATIC(type_s, "array")) {
value = json_loads(value_s.s, JSON_REJECT_DUPLICATES, &parsing_error);
if(value && !json_is_array(value)) {
ERR("value to add is not an array - \"%s\"\n", path_s.s);
goto fail;
}
}else if(STR_EQ_STATIC(type_s, "string")
|| STR_EQ_STATIC(type_s, "str")) {
value = json_string(value_s.s);
if(!value || !json_is_string(value)) {
ERR("value to add is not a string - \"%s\"\n", path_s.s);
goto fail;
}
}else if(STR_EQ_STATIC(type_s, "integer")
|| STR_EQ_STATIC(type_s, "int")) {
long long i = strtoll(value_s.s, &endptr, 10);
if(*endptr != '\0') {
ERR("parsing int failed for \"%s\" - \"%s\"\n", path_s.s, value_s.s);
goto fail;
}
value = json_integer(i);
if(!value || !json_is_integer(value)) {
ERR("value to add is not an integer \"%s\"\n", path_s.s);
goto fail;
}
}else if(STR_EQ_STATIC(type_s, "real")) {
double d = strtod(value_s.s, &endptr);
if(*endptr != '\0') {
ERR("parsing real failed for \"%s\" - \"%s\"\n", path_s.s, value_s.s);
goto fail;
}
value = json_real(d);
if(!value || !json_is_real(value)) {
ERR("value to add is not a real \"%s\"\n", path_s.s);
goto fail;
}
}else if(STR_EQ_STATIC(type_s, "true")) {
value = json_true();
}else if(STR_EQ_STATIC(type_s, "false")) {
value = json_false();
}else if(STR_EQ_STATIC(type_s, "null")) {
value = json_null();
} else {
ERR("unrecognized input type\n");
goto fail;
}
if(!value) {
ERR("parsing failed for \"%s\"\n", value_s.s);
ERR("value error at line %d: %s\n",
parsing_error.line, parsing_error.text);
goto fail;
}
char* path = path_s.s;
result_json = json_loads(result, JSON_REJECT_DUPLICATES, &parsing_error);
if(!result_json) {
ERR("result has json error at line %d: %s\n",
parsing_error.line, parsing_error.text);
goto fail;
}
if(json_path_set(result_json, path, value, append)<0) {
goto fail;
}
if(jansson_to_val(&result_val, &freeme, result_json)<0) goto fail;
result_pv->setf(msg, &result_pv->pvp, (int)EQ_T, &result_val);
if(freeme) free(freeme);
json_decref(result_json);
return 1;
fail:
if(freeme) free(freeme);
json_decref(result_json);
return -1;
}