109 lines
3.0 KiB
Go
109 lines
3.0 KiB
Go
package S3
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"github.com/aws/aws-sdk-go-v2/aws"
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awsConfig "github.com/aws/aws-sdk-go-v2/config"
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"github.com/aws/aws-sdk-go-v2/credentials"
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"github.com/aws/aws-sdk-go-v2/service/s3"
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)
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// Получаем S3 клиент
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func getS3Client() (*s3.Client, error) {
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cfg, err := awsConfig.LoadDefaultConfig(context.TODO(),
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awsConfig.WithRegion("ru-central1"),
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awsConfig.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
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"TJ946G2S1Z5FEI3I7DQQ",
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"C2H2aITHRDpek8H921yhnrINZwDoADsjW3F6HURl",
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"",
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)),
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awsConfig.WithEndpointResolver(aws.EndpointResolverFunc(
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func(service, region string) (aws.Endpoint, error) {
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return aws.Endpoint{
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URL: "https://s3.regru.cloud",
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SigningRegion: "ru-central1",
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Source: aws.EndpointSourceCustom,
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}, nil
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},
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)),
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)
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if err != nil {
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return nil, err
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}
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// Создаем клиент с кастомным эндпоинтом
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client := s3.NewFromConfig(cfg, func(o *s3.Options) {
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o.UsePathStyle = true // Важно для некоторых S3 провайдеров
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})
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return client, nil
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}
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func DeleteFromS3(imageURL string) error {
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const op = "s3.DeleteFromS3"
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parts := strings.SplitN(strings.TrimPrefix(imageURL, "https://s3.regru.cloud/"), "/", 2)
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if len(parts) != 2 {
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return fmt.Errorf("%s: invalid S3 URL format", op)
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}
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bucket := parts[0]
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key := parts[1]
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client, err := getS3Client()
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if err != nil {
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return fmt.Errorf("%s: failed to create S3 client: %w", op, err)
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}
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_, err = client.DeleteObject(context.TODO(), &s3.DeleteObjectInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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})
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if err != nil {
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return fmt.Errorf("%s: failed to delete object from S3: %w", op, err)
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}
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// Ждем пока объект исчезнет
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waiter := s3.NewObjectNotExistsWaiter(client)
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err = waiter.Wait(context.TODO(), &s3.HeadObjectInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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}, 30*time.Second)
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if err != nil {
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return fmt.Errorf("%s: failed to wait for object deletion: %w", op, err)
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}
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return nil
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}
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func GeneratePresignedUploadURL(userID int, filename string) (string, string, error) {
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const op = "s3.GeneratePresignedUploadURL"
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client, err := getS3Client()
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if err != nil {
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return "", "", fmt.Errorf("%s: failed to create S3 client: %w", op, err)
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}
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// Генерируем ключ сразу в конечной папке с уникальным именем
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uniqueKey := fmt.Sprintf("posts/%d/%d_%s", userID, time.Now().UnixNano(), filename)
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presignClient := s3.NewPresignClient(client)
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result, err := presignClient.PresignPutObject(context.TODO(),
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&s3.PutObjectInput{
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Bucket: aws.String("tailly"),
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Key: aws.String(uniqueKey),
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ContentLength: aws.Int64(10 * 1024 * 1024),
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},
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s3.WithPresignExpires(15*time.Minute),
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)
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if err != nil {
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return "", "", fmt.Errorf("%s: failed to generate presigned URL: %w", op, err)
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}
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return result.URL, uniqueKey, nil
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}
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