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Clears the final 80 golangci-lint findings under the canonical .golangci.yml (sha256 021cc83f4e6fc7c31b95b34b846723dfcf20b66b7baeea1dc40406e643346bcb), taking the repo from red to green: script/cibuild exits 0. - wsl_v5 (60): blank line above defer/go statements sharing no variable with the line above; blank-line-only diff. - sqlclosecheck (10): the package-local CloseRows helper hid the close from the analyzer. Helper removed; all 18 call sites now defer an inline rows.Close(), preserving the fatal-on-close-error path. No resource leak existed - the rows were always being closed. - prealloc (3): append targets given a starting capacity. - revive (3): package-name findings suppressed with per-site directives pending the naming decision tracked in #76. No gosec suppressions are needed under the pinned linter. .golangci.yml, Dockerfile, Makefile, .gitea/ and script/ are byte-identical to main. Verified with script/cibuild (digest-pinned golangci-lint v2.12.2), not make check - the latter resolves the linter from PATH and is not a trustworthy gate here; see #78. Closes #59.
94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package storage
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import (
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"context"
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"fmt"
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"io"
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"sneak.berlin/go/vaultik/internal/s3"
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)
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// S3Storer wraps the existing s3.Client to implement Storer.
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type S3Storer struct {
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client *s3.Client
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}
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// NewS3Storer creates a new S3 storage backend.
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func NewS3Storer(client *s3.Client) *S3Storer {
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return &S3Storer{client: client}
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}
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// Put stores data at the specified key.
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func (s *S3Storer) Put(ctx context.Context, key string, data io.Reader) error {
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return s.client.PutObject(ctx, key, data)
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}
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// PutWithProgress stores data with progress reporting.
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func (s *S3Storer) PutWithProgress(
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ctx context.Context, key string, data io.Reader,
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size int64, progress ProgressCallback,
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) error {
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// Convert storage.ProgressCallback to s3.ProgressCallback
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var s3Progress s3.ProgressCallback
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if progress != nil {
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s3Progress = s3.ProgressCallback(progress)
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}
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return s.client.PutObjectWithProgress(ctx, key, data, size, s3Progress)
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}
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// Get retrieves data from the specified key.
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func (s *S3Storer) Get(ctx context.Context, key string) (io.ReadCloser, error) {
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return s.client.GetObject(ctx, key)
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}
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// Stat returns metadata about an object without retrieving its contents.
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func (s *S3Storer) Stat(ctx context.Context, key string) (*ObjectInfo, error) {
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info, err := s.client.StatObject(ctx, key)
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if err != nil {
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return nil, err
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}
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return &ObjectInfo{
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Key: info.Key,
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Size: info.Size,
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}, nil
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}
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// Delete removes an object.
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func (s *S3Storer) Delete(ctx context.Context, key string) error {
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return s.client.DeleteObject(ctx, key)
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}
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// List returns all keys with the given prefix.
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func (s *S3Storer) List(ctx context.Context, prefix string) ([]string, error) {
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return s.client.ListObjects(ctx, prefix)
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}
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// ListStream returns a channel of ObjectInfo for large result sets.
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func (s *S3Storer) ListStream(ctx context.Context, prefix string) <-chan ObjectInfo {
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ch := make(chan ObjectInfo)
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go func() {
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defer close(ch)
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for info := range s.client.ListObjectsStream(ctx, prefix, false) {
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ch <- ObjectInfo{
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Key: info.Key,
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Size: info.Size,
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Err: info.Err,
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}
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}
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}()
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return ch
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}
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// Info returns human-readable storage location information.
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func (s *S3Storer) Info() Info {
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return Info{
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Type: "s3",
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Location: fmt.Sprintf("%s/%s", s.client.Endpoint(), s.client.BucketName()),
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}
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}
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