mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 05:32:25 -05:00
129 lines
3.8 KiB
Go
129 lines
3.8 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package storage
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import (
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"context"
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"fmt"
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"mime"
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"net/url"
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"path"
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"time"
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"codeberg.org/gruf/go-store/v2/kv"
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"codeberg.org/gruf/go-store/v2/storage"
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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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"github.com/superseriousbusiness/gotosocial/internal/config"
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)
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// ErrAlreadyExists is a ptr to underlying storage.ErrAlreadyExists,
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// to put the related errors in the same package as our storage wrapper.
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var ErrAlreadyExists = storage.ErrAlreadyExists
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// Driver wraps a kv.KVStore to also provide S3 presigned GET URLs.
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type Driver struct {
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// Underlying storage
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*kv.KVStore
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Storage storage.Storage
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// S3-only parameters
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Proxy bool
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Bucket string
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}
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// URL will return a presigned GET object URL, but only if running on S3 storage with proxying disabled.
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func (d *Driver) URL(ctx context.Context, key string) *url.URL {
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// Check whether S3 *without* proxying is enabled
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s3, ok := d.Storage.(*storage.S3Storage)
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if !ok || d.Proxy {
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return nil
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}
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// If URL request fails, fallback is to fetch the file. So ignore the error here
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url, _ := s3.Client().PresignedGetObject(ctx, d.Bucket, key, time.Hour, url.Values{
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"response-content-type": []string{mime.TypeByExtension(path.Ext(key))},
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})
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return url
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}
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func AutoConfig() (*Driver, error) {
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var st storage.Storage
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switch backend := config.GetStorageBackend(); backend {
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case "s3":
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// Load runtime configuration
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endpoint := config.GetStorageS3Endpoint()
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access := config.GetStorageS3AccessKey()
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secret := config.GetStorageS3SecretKey()
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secure := config.GetStorageS3UseSSL()
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bucket := config.GetStorageS3BucketName()
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// Open the s3 storage implementation
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s3, err := storage.OpenS3(endpoint, bucket, &storage.S3Config{
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CoreOpts: minio.Options{
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Creds: credentials.NewStaticV4(access, secret, ""),
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Secure: secure,
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},
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GetOpts: minio.GetObjectOptions{},
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PutOpts: minio.PutObjectOptions{},
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PutChunkSize: 5 * 1024 * 1024, // 5MiB
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StatOpts: minio.StatObjectOptions{},
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RemoveOpts: minio.RemoveObjectOptions{},
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ListSize: 200,
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})
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if err != nil {
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return nil, fmt.Errorf("error opening s3 storage: %w", err)
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}
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// Set storage impl
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st = s3
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case "local":
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// Load runtime configuration
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basePath := config.GetStorageLocalBasePath()
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// Open the disk storage implementation
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disk, err := storage.OpenDisk(basePath, &storage.DiskConfig{
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// Put the store lockfile in the storage dir itself.
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// Normally this would not be safe, since we could end up
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// overwriting the lockfile if we store a file called 'store.lock'.
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// However, in this case it's OK because the keys are set by
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// GtS and not the user, so we know we're never going to overwrite it.
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LockFile: path.Join(basePath, "store.lock"),
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})
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if err != nil {
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return nil, fmt.Errorf("error opening disk storage: %w", err)
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}
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// Set storage impl
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st = disk
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default:
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return nil, fmt.Errorf("invalid storage backend: %s", backend)
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}
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return &Driver{
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KVStore: kv.New(st),
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Proxy: config.GetStorageS3Proxy(),
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Bucket: config.GetStorageS3BucketName(),
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Storage: st,
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}, nil
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}
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