First commit with real code

init.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+)
+
+const ENCRYPT_KEY_PATH = "_key.gpg"
+
+func getMinio(config *S3Config) (*minio.Client, error) {
+	creds := credentials.NewStaticV4(config.AccessKey, config.SecretKey, "")
+	minioClient, err := minio.New(config.Endpoint, &minio.Options{
+		Creds:  creds,
+		Secure: config.UseSSL,
+		Region: config.Region,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return minioClient, nil
+}
+
+func getInternalMinio(config *AppConfig) (*minio.Client, error) {
+	return getMinio(&config.LocalS3)
+}
+
+func getTargetMinio(config *AppConfig) (*minio.Client, error) {
+	return getMinio(&config.TargetS3)
+}
+
+func prepareKey(config *AppConfig, minioClient *minio.Client) error {
+	var err error
+	if _, err := os.Stat(config.Key.LocalPath); !os.IsNotExist(err) {
+		return nil
+	}
+	err = minioClient.FGetObject(
+		context.Background(),
+		config.Key.Bucket,
+		config.Key.Name,
+		ENCRYPT_KEY_PATH,
+		minio.GetObjectOptions{},
+	)
+	if err == nil {
+		config.Key.LocalPath = ENCRYPT_KEY_PATH
+	}
+	return err
+}
+
+func init_app() (*minio.Client, *minio.Client, *AppConfig) {
+	fmt.Println("initing...")
+	var err error
+
+	config := GetConfig()
+
+	var internalMinio *minio.Client
+	internalMinio, err = getInternalMinio(config)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	var targetMinio *minio.Client
+	targetMinio, err = getTargetMinio(config)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	err = prepareKey(config, targetMinio)
+	if err != nil {
+		fmt.Println("Unable to get public key from target S3")
+		log.Fatalln(err)
+	}
+	return internalMinio, targetMinio, config
+}