jkaninda/pg-bkup
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feat: add backup encryption using public key and decryption using private key

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This commit is contained in:
Jonas Kaninda
2024-10-08 11:04:46 +02:00
parent 815aae28f8
commit 35c4a5475e
9 changed files with 339 additions and 69 deletions
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25
pkg/backup.go
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@@ -166,9 +166,10 @@ func localBackup(db *dbConfig, config *BackupConfig) {
BackupDatabase(db, config.backupFileName, disableCompression)
finalFileName := config.backupFileName
if config.encryption {
encryptBackup(config.backupFileName, config.passphrase)
encryptBackup(config)
finalFileName = fmt.Sprintf("%s.%s", config.backupFileName, gpgExtension)
}
utils.Info("Backup name is %s", finalFileName)
moveToBackup(finalFileName, storagePath)
//Send notification
@@ -189,7 +190,7 @@ func s3Backup(db *dbConfig, config *BackupConfig) {
BackupDatabase(db, config.backupFileName, disableCompression)
finalFileName := config.backupFileName
if config.encryption {
encryptBackup(config.backupFileName, config.passphrase)
encryptBackup(config)
finalFileName = fmt.Sprintf("%s.%s", config.backupFileName, "gpg")
}
utils.Info("Uploading backup archive to remote storage S3 ... ")
@@ -226,7 +227,7 @@ func sshBackup(db *dbConfig, config *BackupConfig) {
BackupDatabase(db, config.backupFileName, disableCompression)
finalFileName := config.backupFileName
if config.encryption {
encryptBackup(config.backupFileName, config.passphrase)
encryptBackup(config)
finalFileName = fmt.Sprintf("%s.%s", config.backupFileName, "gpg")
}
utils.Info("Uploading backup archive to remote storage ... ")
@@ -261,7 +262,7 @@ func ftpBackup(db *dbConfig, config *BackupConfig) {
BackupDatabase(db, config.backupFileName, disableCompression)
finalFileName := config.backupFileName
if config.encryption {
encryptBackup(config.backupFileName, config.passphrase)
encryptBackup(config)
finalFileName = fmt.Sprintf("%s.%s", config.backupFileName, "gpg")
}
utils.Info("Uploading backup archive to the remote FTP server ... ")
@@ -291,10 +292,18 @@ func ftpBackup(db *dbConfig, config *BackupConfig) {
deleteTemp()
}
func encryptBackup(backupFileName, gpqPassphrase string) {
err := Encrypt(filepath.Join(tmpPath, backupFileName), gpqPassphrase)
if err != nil {
utils.Fatal("Error during encrypting backup %v", err)
func encryptBackup(config *BackupConfig) {
if config.usingKey {
err := encrypt(filepath.Join(tmpPath, config.backupFileName), config.publicKey)
if err != nil {
utils.Fatal("Error during encrypting backup %v", err)
}
} else if config.passphrase != "" {
err := Encrypt(filepath.Join(tmpPath, config.backupFileName), config.passphrase)
if err != nil {
utils.Fatal("Error during encrypting backup %v", err)
}
}
}