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https://github.com/cgrates/cgrates.git
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96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
/*
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Real-time Charging System for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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This program 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 3 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package engine
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import (
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"strings"
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"github.com/cgrates/cgrates/utils"
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"github.com/cgrates/rpcclient"
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)
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const (
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MetaStringPrefix = "*string_prefix"
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MetaTiming = "*timing"
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MetaRSRFilters = "*rsr_filters"
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MetaCDRStats = "*cdr_stats"
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MetaDestinations = "*destinations"
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)
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// RequestFilter filters requests coming into various places
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type RequestFilter struct {
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Type string // Filter type (*string, *timing, *rsr_filters, *cdr_stats)
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FieldName string // Name of the field providing us the value to check
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Values string // Filter definition
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rsrFltrVals []*utils.RSRFilter // Cache here the RSRFilter values
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cdrStats rpcclient.RpcClientConnection // Connection towards CDRStats service (eg: for *cdr_stats type)
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}
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func (fltr *RequestFilter) Pass(req interface{}, extraFieldsLabel string) (bool, error) {
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switch fltr.Type {
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case MetaStringPrefix:
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return fltr.passStringPrefix(req, extraFieldsLabel)
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case MetaTiming:
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return fltr.passTiming(req, extraFieldsLabel)
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case MetaDestinations:
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return fltr.passDestinations(req, extraFieldsLabel)
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case MetaRSRFilters:
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return fltr.passRSRFilters(req, extraFieldsLabel)
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case MetaCDRStats:
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return fltr.passCDRStats(req, extraFieldsLabel)
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default:
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return false, utils.ErrNotImplemented
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}
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}
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func (fltr *RequestFilter) passStringPrefix(req interface{}, extraFieldsLabel string) (bool, error) {
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strVal, err := utils.ReflectFieldAsString(req, fltr.FieldName, extraFieldsLabel)
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if err != nil {
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return false, err
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}
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matchedPrefix := false
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for _, prfx := range strings.Split(fltr.Values, utils.INFIELD_SEP) {
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if strings.HasPrefix(strVal, prfx) {
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matchedPrefix = true
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break
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}
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}
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return matchedPrefix, nil
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}
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// ToDo
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func (fltr *RequestFilter) passTiming(req interface{}, extraFieldsLabel string) (bool, error) {
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return false, utils.ErrNotImplemented
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}
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// ToDo
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func (fltr *RequestFilter) passDestinations(req interface{}, extraFieldsLabel string) (bool, error) {
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return false, utils.ErrNotImplemented
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}
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// ToDo
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func (fltr *RequestFilter) passRSRFilters(req interface{}, extraFieldsLabel string) (bool, error) {
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return false, utils.ErrNotImplemented
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}
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// ToDo
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func (fltr *RequestFilter) passCDRStats(req interface{}, extraFieldsLabel string) (bool, error) {
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return false, utils.ErrNotImplemented
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}
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