/
Keystore.go
279 lines (235 loc) · 6.39 KB
/
Keystore.go
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package commands
import (
"bufio"
"fmt"
"os"
"path/filepath"
"strings"
"time"
libdm "github.com/DataManager-Go/libdatamanager"
"github.com/JojiiOfficial/gaw"
"github.com/JojiiOfficial/shred"
"github.com/dustin/go-humanize/english"
"github.com/fatih/color"
"github.com/pkg/errors"
)
var (
// ErrAbortDeletion if user canceled interaction
ErrAbortDeletion = errors.New("aborted")
)
// CreateKeystore create a keystore
func CreateKeystore(cData *CommandData, path string, overwrite bool) {
// Check if valid keystore is available
if err := cData.Config.KeystoreDirValid(); err == nil && cData.Config.KeystoreEnabled() {
fmt.Println("You have already create a keystore. You have to delete it before you can cerate a new keystore!")
return
}
// Create keystore dir if not already exists
err := os.MkdirAll(path, 0700)
if err != nil {
printError("creating keystore", err.Error())
return
}
// Only allow non empty directories as keystore
isempty, err := isEmpty(path)
if err != nil {
printError("reading directory", err.Error())
return
}
if !isempty {
fmtError("You can't use a non empty directory as keystore!")
return
}
// Open keystore and create the database
keystore := libdm.NewKeystore(path)
err = keystore.Open()
defer keystore.Close()
if err != nil {
printError("opening keystore", err.Error())
return
}
// Set new keystore and save config
err = cData.Config.SetKeystoreDir(path)
if err != nil {
printError("saving config", err.Error())
return
}
fmt.Printf("%s created keystore\n", color.HiGreenString("Successfully"))
}
// KeystoreInfo shows info for keystore
func KeystoreInfo(cData *CommandData) {
if !checkKeystoreAvailable(cData) {
return
}
// Open keystore
keystore, err := cData.GetKeystore()
defer keystore.Close()
if err != nil {
printError("opening keystore", err.Error())
return
}
// Retrieve keycount data
items, err := keystore.GetKeyCount(true)
if err != nil {
printError("getting info", err.Error())
return
}
// Print info output
fmt.Printf("Keystore:\t%s\n", keystore.Path)
fmt.Printf("Keys:\t\t%d\n", items)
}
// KeystoreDelete delete a keystore
func KeystoreDelete(cData *CommandData, shredderCount uint) {
if !checkKeystoreAvailable(cData) {
return
}
// Request confirmation
if !cData.Yes {
y, _ := gaw.ConfirmInput("Do you want to delete your current keystore and all it's keys? (y/n)> ", bufio.NewReader(os.Stdin))
if !y {
return
}
}
fmt.Printf("Going to shredder the directory '%s' and all its subdirectories!!\nWaiting 4 seconds. Press Crtl+c to cancel\n", cData.Config.Client.KeyStoreDir)
time.Sleep(4 * time.Second)
// Open keystore
keystore, err := cData.GetKeystore()
defer keystore.Close()
// If keystore directory was not found, remove it from the config
if strings.HasSuffix(err.Error(), "no such file or directory") {
err := cData.Config.UnsetKeystoreDir()
if err != nil {
printError("saving config", err.Error())
}
return
}
if err != nil {
printError("opening keystore", err.Error())
return
}
// Shredder all keys and key DB file
shredder := shred.Shredder{}
shredderConf := shred.NewShredderConf(&shredder, shred.WriteRand|shred.WriteRandSecure|shred.WriteZeros, int(shredderCount), true)
err = shredderConf.ShredDir(keystore.Path)
if err != nil {
printError("shreddering files", err.Error())
return
}
// Remove old keystore directory
err = os.Remove(keystore.Path)
if err != nil {
printError("removing path", err.Error())
}
// Remove path from config
err = cData.Config.UnsetKeystoreDir()
if err != nil {
printError("updating config", err.Error())
return
}
fmt.Printf("%s deleted your keystore", color.HiGreenString("Successfully"))
}
// KeystoreCleanup cleansup a keystore
func KeystoreCleanup(cData *CommandData, shredderCount uint) {
if !checkKeystoreAvailable(cData) {
return
}
// Open keystore
keystore, err := cData.GetKeystore()
defer keystore.Close()
if err != nil {
printError("opening keystore", err.Error())
return
}
// Get all keystore files
files, err := keystore.GetFiles()
if err != nil {
printError("getting files", err.Error())
return
}
var cleanedFiles int
// Find entries without a valid file
// and remove them
for i := range files {
path := keystore.GetKeystoreFile(files[i].Key)
// Delete entry if file wasn't found
if _, err := os.Stat(path); err != nil {
keystore.DeleteKey(files[i].FileID)
cleanedFiles++
}
}
if cleanedFiles == 0 {
fmt.Println("Nothing to do")
} else {
fmt.Printf("%s cleaned %s", color.HiGreenString("Successfully"), english.Plural(cleanedFiles, "entry", "entries"))
}
}
// KeystoreAddKey adds key to keystore
func KeystoreAddKey(cData *CommandData, keyFile string, fileID uint) {
if !checkKeystoreAvailable(cData) {
return
}
// Validate keyfile
_, err := os.Stat(keyFile)
if err != nil {
printError("reading keyfile", err.Error())
return
}
// Open keystore
keystore, err := cData.GetKeystore()
defer keystore.Close()
if err != nil {
printError("opening keystore", err.Error())
return
}
// Get keyfilename and add it to the keystore
_, keyFileName := filepath.Split(keyFile)
err = keystore.AddKey(fileID, keyFileName)
if err != nil {
printError("adding key", err.Error())
return
}
printSuccess("added 1 key to the keystore")
}
// KeystoreRemoveKey removes key from keystore
func KeystoreRemoveKey(cData *CommandData, fileID uint) {
if !checkKeystoreAvailable(cData) {
return
}
// Open keystore
keystore, err := cData.GetKeystore()
defer keystore.Close()
if err != nil {
printError("opening keystore", err.Error())
return
}
// Get and delete key from DB
key, err := keystore.DeleteKey(fileID)
if err != nil {
printError("deleting key", err.Error())
return
}
// Shredder keyfile if exists
path := keystore.GetKeystoreFile(key.Key)
if _, err = os.Stat(path); err == nil {
ShredderFile(path, -1)
}
printSuccess("deletet 1 key from keystore")
}
func printNoKeystoreFound() {
fmt.Println("You don't have a valid keystore!")
}
// checkKeystoreAvailable checks if a keystore is available
// returns true if a valid keystore was found
func checkKeystoreAvailable(cData *CommandData) bool {
// Check keystore dir setting
if !cData.Config.KeystoreEnabled() {
printNoKeystoreFound()
return false
}
// If found, check if valid
if err := cData.Config.KeystoreDirValid(); err != nil {
printError("verifying keystore", err.Error())
return false
}
return true
}