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https://github.com/go-gitea/gitea
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d987ac6bf1
This PR implements a [Chef registry](https://chef.io/) to manage cookbooks. This package type was a bit complicated because Chef uses RSA signed requests as authentication with the registry.   Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
135 lines
3.6 KiB
Go
135 lines
3.6 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package chef
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"regexp"
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"strings"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/validation"
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)
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const (
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KeyBits = 4096
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SettingPublicPem = "chef.public_pem"
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)
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var (
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ErrMissingMetadataFile = util.NewInvalidArgumentErrorf("metadata.json file is missing")
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ErrInvalidName = util.NewInvalidArgumentErrorf("package name is invalid")
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ErrInvalidVersion = util.NewInvalidArgumentErrorf("package version is invalid")
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namePattern = regexp.MustCompile(`\A\S+\z`)
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versionPattern = regexp.MustCompile(`\A\d+\.\d+(?:\.\d+)?\z`)
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)
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// Package represents a Chef package
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type Package struct {
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Name string
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Version string
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Metadata *Metadata
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}
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// Metadata represents the metadata of a Chef package
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type Metadata struct {
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Description string `json:"description,omitempty"`
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LongDescription string `json:"long_description,omitempty"`
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Author string `json:"author,omitempty"`
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License string `json:"license,omitempty"`
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RepositoryURL string `json:"repository_url,omitempty"`
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Dependencies map[string]string `json:"dependencies,omitempty"`
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}
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type chefMetadata struct {
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Name string `json:"name"`
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Description string `json:"description"`
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LongDescription string `json:"long_description"`
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Maintainer string `json:"maintainer"`
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MaintainerEmail string `json:"maintainer_email"`
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License string `json:"license"`
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Platforms map[string]string `json:"platforms"`
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Dependencies map[string]string `json:"dependencies"`
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Providing map[string]string `json:"providing"`
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Recipes map[string]string `json:"recipes"`
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Version string `json:"version"`
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SourceURL string `json:"source_url"`
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IssuesURL string `json:"issues_url"`
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Privacy bool `json:"privacy"`
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ChefVersions [][]string `json:"chef_versions"`
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Gems [][]string `json:"gems"`
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EagerLoadLibraries bool `json:"eager_load_libraries"`
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}
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// ParsePackage parses the Chef package file
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func ParsePackage(r io.Reader) (*Package, error) {
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gzr, err := gzip.NewReader(r)
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if err != nil {
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return nil, err
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}
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defer gzr.Close()
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tr := tar.NewReader(gzr)
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for {
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hd, err := tr.Next()
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if err == io.EOF {
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break
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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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if hd.Typeflag != tar.TypeReg {
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continue
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}
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if strings.Count(hd.Name, "/") != 1 {
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continue
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}
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if hd.FileInfo().Name() == "metadata.json" {
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return ParseChefMetadata(tr)
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}
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}
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return nil, ErrMissingMetadataFile
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}
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// ParseChefMetadata parses a metadata.json file to retrieve the metadata of a Chef package
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func ParseChefMetadata(r io.Reader) (*Package, error) {
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var cm chefMetadata
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if err := json.NewDecoder(r).Decode(&cm); err != nil {
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return nil, err
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}
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if !namePattern.MatchString(cm.Name) {
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return nil, ErrInvalidName
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}
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if !versionPattern.MatchString(cm.Version) {
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return nil, ErrInvalidVersion
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}
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if !validation.IsValidURL(cm.SourceURL) {
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cm.SourceURL = ""
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}
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return &Package{
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Name: cm.Name,
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Version: cm.Version,
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Metadata: &Metadata{
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Description: cm.Description,
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LongDescription: cm.LongDescription,
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Author: cm.Maintainer,
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License: cm.License,
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RepositoryURL: cm.SourceURL,
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Dependencies: cm.Dependencies,
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},
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}, nil
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}
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