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https://github.com/go-gitea/gitea.git
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c890454769
Fixes #24723 Direct serving of content aka HTTP redirect is not mentioned in any of the package registry specs but lots of official registries do that so it should be supported by the usual clients.
76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package packages
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import (
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"io"
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"net/url"
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"path"
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"strings"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/storage"
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"code.gitea.io/gitea/modules/util"
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)
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// BlobHash256Key is the key to address a blob content
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type BlobHash256Key string
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// ContentStore is a wrapper around ObjectStorage
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type ContentStore struct {
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store storage.ObjectStorage
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}
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// NewContentStore creates the default package store
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func NewContentStore() *ContentStore {
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contentStore := &ContentStore{storage.Packages}
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return contentStore
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}
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// Get gets a package blob
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func (s *ContentStore) Get(key BlobHash256Key) (storage.Object, error) {
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return s.store.Open(KeyToRelativePath(key))
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}
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func (s *ContentStore) ShouldServeDirect() bool {
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return setting.Packages.Storage.MinioConfig.ServeDirect
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}
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func (s *ContentStore) GetServeDirectURL(key BlobHash256Key, filename string) (*url.URL, error) {
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return s.store.URL(KeyToRelativePath(key), filename)
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}
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// FIXME: Workaround to be removed in v1.20
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// https://github.com/go-gitea/gitea/issues/19586
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func (s *ContentStore) Has(key BlobHash256Key) error {
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_, err := s.store.Stat(KeyToRelativePath(key))
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return err
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}
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// Save stores a package blob
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func (s *ContentStore) Save(key BlobHash256Key, r io.Reader, size int64) error {
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_, err := s.store.Save(KeyToRelativePath(key), r, size)
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return err
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}
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// Delete deletes a package blob
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func (s *ContentStore) Delete(key BlobHash256Key) error {
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return s.store.Delete(KeyToRelativePath(key))
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}
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// KeyToRelativePath converts the sha256 key aabb000000... to aa/bb/aabb000000...
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func KeyToRelativePath(key BlobHash256Key) string {
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return path.Join(string(key)[0:2], string(key)[2:4], string(key))
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}
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// RelativePathToKey converts a relative path aa/bb/aabb000000... to the sha256 key aabb000000...
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func RelativePathToKey(relativePath string) (BlobHash256Key, error) {
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parts := strings.SplitN(relativePath, "/", 3)
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if len(parts) != 3 || len(parts[0]) != 2 || len(parts[1]) != 2 || len(parts[2]) < 4 || parts[0]+parts[1] != parts[2][0:4] {
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return "", util.ErrInvalidArgument
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}
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return BlobHash256Key(parts[2]), nil
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}
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