91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package config
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/*
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Copyright 2025 Suyono <suyono3484@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import (
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"fmt"
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"gitea.suyono.dev/suyono/netbounce/abstract"
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"maps"
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"slices"
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"github.com/spf13/viper"
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)
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const (
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CONNECTION = "connection"
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TYPE = "type"
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UDP = "udp"
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TCP = "tcp"
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)
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func ReadConfig() error {
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viper.SetDefault("config", "/etc/netbounce/netbounce.yml")
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configPath := viper.GetString("config")
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viper.SetConfigFile(configPath)
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viper.SetConfigType("yaml")
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if err := viper.ReadInConfig(); err != nil {
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return fmt.Errorf("reading config file %s: %w", configPath, err)
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}
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return nil
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}
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func ListConnection() ([]string, error) {
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m := viper.GetStringMap(CONNECTION)
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l := slices.Collect(maps.Keys(m))
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if len(l) == 0 {
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return nil, fmt.Errorf("no connection found")
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}
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return l, nil
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}
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func GetConnection(name string) (abstract.ConnectionConfig, error) {
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var (
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tcp tcpConfig
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udp udpConfig
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err error
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)
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configType := viper.GetString(fmt.Sprintf("%s.%s.%s", CONNECTION, name, TYPE))
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if configType == "" {
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return nil, fmt.Errorf("no connection found")
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}
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configKey := fmt.Sprintf("%s.%s", CONNECTION, name)
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switch configType {
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case UDP:
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if err = viper.UnmarshalKey(configKey, &udp); err != nil {
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return nil, fmt.Errorf("unmarshal config %s: %w", configKey, err)
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}
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udp.Name = name
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udp.Type = abstract.UDP
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return udpModule{config: udp}, nil
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case TCP:
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if err = viper.UnmarshalKey(configKey, &tcp); err != nil {
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return nil, fmt.Errorf("unmarshal config %s: %w", configKey, err)
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}
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tcp.Name = name
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tcp.Type = abstract.TCP
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return tcpModule{config: tcp}, nil
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default:
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return nil, fmt.Errorf("connection %s: invalid connection type: %s", name, configType)
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}
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}
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