92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
// Copyright 2013 The Chihaya Authors. All rights reserved.
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// Use of this source code is governed by the BSD 2-Clause license,
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// which can be found in the LICENSE file.
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// Package config implements the configuration for a BitTorrent tracker
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package config
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import (
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"encoding/json"
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"os"
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"time"
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)
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type Duration struct {
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time.Duration
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}
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func (d *Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(d.String())
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}
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var str string
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err := json.Unmarshal(b, &str)
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d.Duration, err = time.ParseDuration(str)
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return err
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}
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type Storage struct {
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Driver string `json:"driver"`
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Protocol string `json:"protocol"`
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Addr string `json:"addr"`
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Username string `json:"user"`
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Password string `json:"pass"`
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Schema string `json:"schema"`
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Encoding string `json:"encoding"`
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}
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type Config struct {
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Addr string `json:"addr"`
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Storage Storage `json:"storage"`
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Private bool `json:"private"`
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Freeleech bool `json:"freeleech"`
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Announce Duration `json:"announce"`
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MinAnnounce Duration `json:"min_announce"`
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ReadTimeout Duration `json:"read_timeout"`
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Whitelist []string `json:"whitelist"`
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}
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func New(path string) (*Config, error) {
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expandedPath := os.ExpandEnv(path)
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f, err := os.Open(expandedPath)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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conf := &Config{}
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err = json.NewDecoder(f).Decode(conf)
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if err != nil {
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return nil, err
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}
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return conf, nil
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}
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func (c *Config) Whitelisted(peerId string) bool {
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var (
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widLen int
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matched bool
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)
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for _, whitelistedId := range c.Whitelist {
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widLen = len(whitelistedId)
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if widLen <= len(peerId) {
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matched = true
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for i := 0; i < widLen; i++ {
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if peerId[i] != whitelistedId[i] {
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matched = false
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break
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}
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}
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if matched {
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return true
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}
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}
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}
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return false
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}
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