mirror of
https://github.com/opencloud-eu/opencloud.git
synced 2026-11-01 01:58:34 -05:00
Dominik Schmidt
4da8971ca7
The aspect-ignored header blamed a processor for a decision the free axis can make too. fit-in does not letterbox, it answers smaller than the box. The s3 cache checks bucket, region and credentials, not the endpoint. A mapping onto a type the generator cannot write is refused at startup instead of quietly becoming a JPEG. And a processor name nobody knows resolves like none, which three comments and a readme line still denied.
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package cache
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import (
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"errors"
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"fmt"
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"path/filepath"
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"github.com/minio/minio-go/v7/pkg/credentials"
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"github.com/opencloud-eu/opencloud/pkg/config/defaults"
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)
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var ErrCacheMiss = errors.New("thumbnail cache miss")
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// DefaultFileCacheDir is the on-disk location of file-backend thumbnails,
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// mirroring main's $OC_BASE_DATA_PATH/thumbnails/files layout.
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func DefaultFileCacheDir() string {
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return filepath.Join(defaults.BaseDataPath(), "thumbnails", "files")
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}
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// ThumbnailCache provides cached storage for generated thumbnails.
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type ThumbnailCache interface {
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Get(key string) ([]byte, error)
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Put(key string, data []byte) error
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}
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// NewThumbnailCache creates a cache instance based on the configured backend. A
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// backend nobody can serve is an error, not a silently disabled cache.
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func NewThumbnailCache(backend string, cacheDir string, s3cfg *S3CacheConfig) (ThumbnailCache, error) {
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switch backend {
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case "none":
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return NoopCache{}, nil
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case "memory":
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return NewInMemoryCache(), nil
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case "file":
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dir := cacheDir
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if dir == "" {
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dir = DefaultFileCacheDir()
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}
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return NewFileCache(dir), nil
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case "s3":
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if s3cfg == nil || !s3cfg.IsComplete() {
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return nil, errors.New("s3 thumbnail cache needs a bucket, a region and credentials")
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}
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return NewS3Cache(*s3cfg), nil
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default:
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return nil, fmt.Errorf("unknown thumbnail cache backend %q, expected none, memory, file or s3", backend)
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}
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}
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// BuildS3CacheConfig creates an S3CacheConfig from raw config fields.
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func BuildS3CacheConfig(bucket, region, endpoint, accessKey, secretKey string) *S3CacheConfig {
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cfg := &S3CacheConfig{
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Bucket: bucket,
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Region: region,
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Endpoint: endpoint,
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Secure: true,
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}
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if accessKey != "" && secretKey != "" {
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cfg.Credentials = credentials.NewStaticV4(accessKey, secretKey, "")
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}
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return cfg
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}
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