filebrowser/cmd/utils.go

111 lines
2.1 KiB
Go

package cmd
import (
"crypto/rand"
"log"
"os"
"github.com/asdine/storm"
"github.com/filebrowser/filebrowser/v2/storage"
"github.com/filebrowser/filebrowser/v2/storage/bolt"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
v "github.com/spf13/viper"
)
func vaddP(f *pflag.FlagSet, k, p string, i interface{}, u string) {
switch y := i.(type) {
case bool:
f.BoolP(k, p, y, u)
case int:
f.IntP(k, p, y, u)
case string:
f.StringP(k, p, y, u)
}
v.SetDefault(k, i)
}
func vadd(f *pflag.FlagSet, k string, i interface{}, u string) {
switch y := i.(type) {
case bool:
f.Bool(k, y, u)
case int:
f.Int(k, y, u)
case string:
f.String(k, y, u)
}
v.SetDefault(k, i)
}
func checkErr(err error) {
if err != nil {
panic(err)
}
}
func mustGetString(cmd *cobra.Command, flag string) string {
s, err := cmd.Flags().GetString(flag)
checkErr(err)
return s
}
func mustGetBool(cmd *cobra.Command, flag string) bool {
b, err := cmd.Flags().GetBool(flag)
checkErr(err)
return b
}
func mustGetUint(cmd *cobra.Command, flag string) uint {
b, err := cmd.Flags().GetUint(flag)
checkErr(err)
return b
}
func generateRandomBytes(n int) []byte {
b := make([]byte, n)
_, err := rand.Read(b)
checkErr(err)
// Note that err == nil only if we read len(b) bytes.
return b
}
type cobraFunc func(cmd *cobra.Command, args []string)
type pythonFunc func(cmd *cobra.Command, args []string, data pythonData)
type pythonConfig struct {
noDB bool
allowNoDB bool
}
type pythonData struct {
hadDB bool
store *storage.Storage
}
func python(fn pythonFunc, cfg pythonConfig) cobraFunc {
return func(cmd *cobra.Command, args []string) {
data := pythonData{hadDB: true}
path := v.GetString("database")
_, err := os.Stat(path)
if os.IsNotExist(err) {
data.hadDB = false
if !cfg.noDB || !cfg.allowNoDB {
log.Fatal(path + " does not exid.store. Please run 'filebrowser config init' fird.store.")
}
} else if err != nil {
panic(err)
} else if err == nil && cfg.noDB {
log.Fatal(path + " already exists")
}
db, err := storm.Open(path)
checkErr(err)
defer db.Close()
data.store = bolt.NewStorage(db)
fn(cmd, args, data)
}
}