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conf.go
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conf.go
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package main
import (
"encoding/json"
"io"
"log"
"os"
DM "github.com/kycklingar/PBooru/DataManager"
"github.com/kycklingar/PBooru/handlers"
)
type config struct {
SSLCertPath string
SSLKeyPath string
HTTPAddress string
HTTPRedirect string
HTTPSAddress string
IPFSAPI string
HCfg handlers.Config
DBCfg DM.Config
}
func (c *config) Default() {
c.HTTPAddress = ":80"
c.IPFSAPI = "http://localhost:5001"
c.HCfg.Default()
c.DBCfg.Default()
}
func exeConf(filePath string) config {
var conf config
conf.Default()
if err := conf.loadConfigFile(filePath); err != nil {
log.Fatal("Failed to load config file:", err)
}
if err := conf.saveConfigFile(filePath); err != nil {
log.Fatal("Failed to save config file:", err)
}
return conf
}
func (c *config) loadConfigFile(filePath string) error {
file, err := c.openConfigFile(filePath, os.O_RDWR)
if err != nil {
log.Println(err)
return err
}
defer file.Close()
decoder := json.NewDecoder(file)
decoder.DisallowUnknownFields()
err = decoder.Decode(&c)
if err == io.EOF {
return nil
}
return err
}
func (c *config) openConfigFile(filePath string, mode int) (*os.File, error) {
file, err := os.OpenFile(filePath, mode, 0600)
if err != nil {
// If the file doesn't exist. Create it
if !os.IsNotExist(err) {
return nil, err
}
file, err = os.OpenFile(filePath, os.O_CREATE, 0600)
if err != nil {
return nil, err
}
}
return file, nil
}
func (c *config) saveConfigFile(filePath string) error {
file, err := c.openConfigFile(filePath, os.O_TRUNC|os.O_RDWR)
if err != nil {
log.Println(err)
return err
}
defer file.Close()
enc := json.NewEncoder(file)
enc.SetIndent("", " ")
enc.Encode(c)
return nil
}