78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
package media
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import (
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"context"
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"errors"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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"git.mstar.dev/mstar/linstrom/config"
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)
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type Server struct {
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client *minio.Client
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}
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/*
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TODO: Figure out an api for a microservice for transcoding media, see https://tech.lgbt/@lina/114682780787448797
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- Read endpoint from config
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- Try to reach transcoder
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- If transcoder is alive, use it for transcoding
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- If not alive, store files as is
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*/
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var (
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ErrNoBucketAccess = errors.New("can't access configured bucket")
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)
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func NewServer() (*Server, error) {
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client, err := minio.New(config.GlobalConfig.S3.Endpoint, &minio.Options{
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Creds: credentials.NewStaticV4(
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config.GlobalConfig.S3.KeyId,
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config.GlobalConfig.S3.Secret,
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"",
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),
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Secure: config.GlobalConfig.S3.UseSSL,
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Region: config.GlobalConfig.S3.Region,
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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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ctx := context.Background()
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// Ensure we can access the bucket
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err = client.MakeBucket(
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ctx,
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config.GlobalConfig.S3.BucketName,
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minio.MakeBucketOptions{Region: config.GlobalConfig.S3.Region},
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)
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if err != nil {
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exists, err := client.BucketExists(ctx, config.GlobalConfig.S3.BucketName)
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if err != nil {
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return nil, err
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}
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if !exists {
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return nil, ErrNoBucketAccess
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}
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}
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return &Server{client: client}, nil
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}
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// UsernameFilename converts a userId and filename into a proper filepath for s3.
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// Reason for this is that the userId for external users is a valid url which needs to be encoded
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func UsernameFilename(userId, filename string) string {
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return userId + "//" + filename
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}
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func (s *Server) HasFileScoped(userId, filename string) (bool, error) {
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info, err := s.client.StatObject(
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context.Background(),
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config.GlobalConfig.S3.BucketName,
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UsernameFilename(userId, filename),
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minio.GetObjectOptions{},
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)
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if err != nil {
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return false, err
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}
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return info.IsDeleteMarker, nil
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}
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