From 91060915d061674def0bbf5d3c6464c62c9eba68 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Mon, 23 Dec 2024 01:34:56 -0600
Subject: [PATCH] maybe use cloudflare R2

Signed-off-by: Jeff Carr <jcarr@wit.com>
---
 .gitignore           |  1 +
 cf-r2-awsapi/main.go | 99 ++++++++++++++++++++++++++++++++++++++++++++
 cf-r2/main.go        | 26 ++++++++++++
 3 files changed, 126 insertions(+)
 create mode 100644 cf-r2-awsapi/main.go
 create mode 100644 cf-r2/main.go

diff --git a/.gitignore b/.gitignore
index 34a0698..2b26862 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ go-clone-test/go-clone-test
 go-clone-test/goclonetest
 go-clone-test/goclonetesttest
 going2git/going2git
+cf-r2/cf-r2
diff --git a/cf-r2-awsapi/main.go b/cf-r2-awsapi/main.go
new file mode 100644
index 0000000..bea845d
--- /dev/null
+++ b/cf-r2-awsapi/main.go
@@ -0,0 +1,99 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/aws/aws-sdk-go-v2/service/s3/types"
+)
+
+const (
+	r2AccountID   = "<your-account-id>"      // Replace with your Cloudflare R2 Account ID
+	r2AccessKey   = "<your-access-key-id>"   // Replace with your Access Key ID
+	r2SecretKey   = "<your-secret-access-key>" // Replace with your Secret Access Key
+	r2BucketName  = "example-bucket"         // Replace with your bucket name
+	r2Endpoint    = "https://<account-id>.r2.cloudflarestorage.com" // Replace with your endpoint
+)
+
+func main() {
+	// Initialize the AWS Config for R2
+	cfg, err := config.LoadDefaultConfig(context.TODO(),
+		config.WithCredentialsProvider(aws.NewCredentialsCache(
+			aws.NewStaticCredentialsProvider(r2AccessKey, r2SecretKey, ""),
+		)),
+		config.WithEndpointResolver(aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
+			return aws.Endpoint{URL: r2Endpoint}, nil
+		})),
+	)
+	if err != nil {
+		log.Fatalf("Unable to load AWS config: %v", err)
+	}
+
+	// Create the S3 client
+	client := s3.NewFromConfig(cfg)
+
+	// Upload a file
+	err = uploadFile(client, "example.txt", "example.txt")
+	if err != nil {
+		log.Fatalf("Upload failed: %v", err)
+	}
+
+	// Download the file
+	err = downloadFile(client, "example.txt", "downloaded-example.txt")
+	if err != nil {
+		log.Fatalf("Download failed: %v", err)
+	}
+}
+
+// Upload a file to R2
+func uploadFile(client *s3.Client, objectKey, filePath string) error {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return fmt.Errorf("failed to open file %s: %w", filePath, err)
+	}
+	defer file.Close()
+
+	_, err = client.PutObject(context.TODO(), &s3.PutObjectInput{
+		Bucket: aws.String(r2BucketName),
+		Key:    aws.String(objectKey),
+		Body:   file,
+		ACL:    types.ObjectCannedACLPublicRead, // Optional: Make the file public
+	})
+	if err != nil {
+		return fmt.Errorf("failed to upload file to R2: %w", err)
+	}
+
+	fmt.Printf("File %s uploaded to R2 as %s\n", filePath, objectKey)
+	return nil
+}
+
+// Download a file from R2
+func downloadFile(client *s3.Client, objectKey, destPath string) error {
+	resp, err := client.GetObject(context.TODO(), &s3.GetObjectInput{
+		Bucket: aws.String(r2BucketName),
+		Key:    aws.String(objectKey),
+	})
+	if err != nil {
+		return fmt.Errorf("failed to download file from R2: %w", err)
+	}
+	defer resp.Body.Close()
+
+	outFile, err := os.Create(destPath)
+	if err != nil {
+		return fmt.Errorf("failed to create file %s: %w", destPath, err)
+	}
+	defer outFile.Close()
+
+	_, err = outFile.ReadFrom(resp.Body)
+	if err != nil {
+		return fmt.Errorf("failed to write file to %s: %w", destPath, err)
+	}
+
+	fmt.Printf("File %s downloaded from R2 and saved as %s\n", objectKey, destPath)
+	return nil
+}
diff --git a/cf-r2/main.go b/cf-r2/main.go
new file mode 100644
index 0000000..ce3c910
--- /dev/null
+++ b/cf-r2/main.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"log"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+)
+
+func main() {
+	endpoint := "play.min.io"
+	accessKeyID := "Q3AM3UQ867SPQQA43P2F"
+	secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"
+	useSSL := true
+
+	// Initialize minio client object.
+	minioClient, err := minio.New(endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
+		Secure: useSSL,
+	})
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	log.Printf("%#v\n", minioClient) // minioClient is now set up
+}