100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package proxy
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import (
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"encoding/json"
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"log"
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"os"
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"path/filepath"
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"sync"
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)
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const defaultCmdPrefix = ">"
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const defaultSendInterval = 0.09
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const defaultUserLimit = 10
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const defaultAuthBackend = "sqlite3"
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const defaultBindAddr = ":40000"
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var config Config
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var configMu sync.RWMutex
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// A Config contains information from the configuration file
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// that affects the way the proxy works.
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type Config struct {
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NoPlugins bool
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CmdPrefix string
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RequirePasswd bool
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SendInterval float32
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UserLimit int
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AuthBackend string
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BindAddr string
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Servers []struct {
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Name string
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Addr string
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}
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CSMRF struct {
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NoCSMs bool
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ChatMsgs bool
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ItemDefs bool
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NodeDefs bool
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NoLimitMapRange bool
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PlayerList bool
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}
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MapRange uint32
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Groups map[string][]string
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UserGroups map[string]string
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}
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// Conf returns a copy of the Config used by the proxy.
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// Any modifications will not affect the original Config.
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func Conf() Config {
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configMu.RLock()
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defer configMu.RUnlock()
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return config
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}
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// LoadConfig attempts to parse the configuration file.
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// It leaves the config unchanged if there is an error
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// and returns the error.
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func LoadConfig() error {
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configMu.Lock()
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defer configMu.Unlock()
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oldConf := config
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config.CmdPrefix = defaultCmdPrefix
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config.SendInterval = defaultSendInterval
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config.UserLimit = defaultUserLimit
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config.AuthBackend = defaultAuthBackend
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config.BindAddr = defaultBindAddr
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config.Groups = make(map[string][]string)
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config.UserGroups = make(map[string]string)
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executable, err := os.Executable()
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if err != nil {
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return err
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}
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path := filepath.Dir(executable) + "/config.json"
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f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, 0666)
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if err != nil {
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config = oldConf
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return err
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}
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defer f.Close()
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if fi, _ := f.Stat(); fi.Size() == 0 {
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f.WriteString("{\n\t\n}\n")
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f.Seek(0, os.SEEK_SET)
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}
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decoder := json.NewDecoder(f)
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if err := decoder.Decode(&config); err != nil {
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config = oldConf
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return err
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}
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log.Print("{←|⇶} load config")
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return nil
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}
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