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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
135 lines
3.6 KiB
Go
135 lines
3.6 KiB
Go
// Copyright 2026 Hanzo AI, Inc. 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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"github.com/hanzoai/git/modules/json"
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"github.com/hanzoai/git/modules/util"
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"github.com/hanzoai/git/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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