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-rw-r--r--modules/packages/chef/metadata.go134
-rw-r--r--modules/packages/chef/metadata_test.go93
2 files changed, 227 insertions, 0 deletions
diff --git a/modules/packages/chef/metadata.go b/modules/packages/chef/metadata.go
new file mode 100644
index 0000000..a1c9187
--- /dev/null
+++ b/modules/packages/chef/metadata.go
@@ -0,0 +1,134 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package chef
+
+import (
+ "archive/tar"
+ "compress/gzip"
+ "io"
+ "regexp"
+ "strings"
+
+ "code.gitea.io/gitea/modules/json"
+ "code.gitea.io/gitea/modules/util"
+ "code.gitea.io/gitea/modules/validation"
+)
+
+const (
+ KeyBits = 4096
+ SettingPublicPem = "chef.public_pem"
+)
+
+var (
+ ErrMissingMetadataFile = util.NewInvalidArgumentErrorf("metadata.json file is missing")
+ ErrInvalidName = util.NewInvalidArgumentErrorf("package name is invalid")
+ ErrInvalidVersion = util.NewInvalidArgumentErrorf("package version is invalid")
+
+ namePattern = regexp.MustCompile(`\A\S+\z`)
+ versionPattern = regexp.MustCompile(`\A\d+\.\d+(?:\.\d+)?\z`)
+)
+
+// Package represents a Chef package
+type Package struct {
+ Name string
+ Version string
+ Metadata *Metadata
+}
+
+// Metadata represents the metadata of a Chef package
+type Metadata struct {
+ Description string `json:"description,omitempty"`
+ LongDescription string `json:"long_description,omitempty"`
+ Author string `json:"author,omitempty"`
+ License string `json:"license,omitempty"`
+ RepositoryURL string `json:"repository_url,omitempty"`
+ Dependencies map[string]string `json:"dependencies,omitempty"`
+}
+
+type chefMetadata struct {
+ Name string `json:"name"`
+ Description string `json:"description"`
+ LongDescription string `json:"long_description"`
+ Maintainer string `json:"maintainer"`
+ MaintainerEmail string `json:"maintainer_email"`
+ License string `json:"license"`
+ Platforms map[string]string `json:"platforms"`
+ Dependencies map[string]string `json:"dependencies"`
+ Providing map[string]string `json:"providing"`
+ Recipes map[string]string `json:"recipes"`
+ Version string `json:"version"`
+ SourceURL string `json:"source_url"`
+ IssuesURL string `json:"issues_url"`
+ Privacy bool `json:"privacy"`
+ ChefVersions [][]string `json:"chef_versions"`
+ Gems [][]string `json:"gems"`
+ EagerLoadLibraries bool `json:"eager_load_libraries"`
+}
+
+// ParsePackage parses the Chef package file
+func ParsePackage(r io.Reader) (*Package, error) {
+ gzr, err := gzip.NewReader(r)
+ if err != nil {
+ return nil, err
+ }
+ defer gzr.Close()
+
+ tr := tar.NewReader(gzr)
+ for {
+ hd, err := tr.Next()
+ if err == io.EOF {
+ break
+ }
+ if err != nil {
+ return nil, err
+ }
+
+ if hd.Typeflag != tar.TypeReg {
+ continue
+ }
+
+ if strings.Count(hd.Name, "/") != 1 {
+ continue
+ }
+
+ if hd.FileInfo().Name() == "metadata.json" {
+ return ParseChefMetadata(tr)
+ }
+ }
+
+ return nil, ErrMissingMetadataFile
+}
+
+// ParseChefMetadata parses a metadata.json file to retrieve the metadata of a Chef package
+func ParseChefMetadata(r io.Reader) (*Package, error) {
+ var cm chefMetadata
+ if err := json.NewDecoder(r).Decode(&cm); err != nil {
+ return nil, err
+ }
+
+ if !namePattern.MatchString(cm.Name) {
+ return nil, ErrInvalidName
+ }
+
+ if !versionPattern.MatchString(cm.Version) {
+ return nil, ErrInvalidVersion
+ }
+
+ if !validation.IsValidURL(cm.SourceURL) {
+ cm.SourceURL = ""
+ }
+
+ return &Package{
+ Name: cm.Name,
+ Version: cm.Version,
+ Metadata: &Metadata{
+ Description: cm.Description,
+ LongDescription: cm.LongDescription,
+ Author: cm.Maintainer,
+ License: cm.License,
+ RepositoryURL: cm.SourceURL,
+ Dependencies: cm.Dependencies,
+ },
+ }, nil
+}
diff --git a/modules/packages/chef/metadata_test.go b/modules/packages/chef/metadata_test.go
new file mode 100644
index 0000000..8784c62
--- /dev/null
+++ b/modules/packages/chef/metadata_test.go
@@ -0,0 +1,93 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package chef
+
+import (
+ "archive/tar"
+ "bytes"
+ "compress/gzip"
+ "strings"
+ "testing"
+
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+const (
+ packageName = "gitea"
+ packageVersion = "1.0.1"
+ packageAuthor = "KN4CK3R"
+ packageDescription = "Package Description"
+ packageRepositoryURL = "https://gitea.io/gitea/gitea"
+)
+
+func TestParsePackage(t *testing.T) {
+ t.Run("MissingMetadataFile", func(t *testing.T) {
+ var buf bytes.Buffer
+ zw := gzip.NewWriter(&buf)
+ tw := tar.NewWriter(zw)
+ tw.Close()
+ zw.Close()
+
+ p, err := ParsePackage(&buf)
+ assert.Nil(t, p)
+ require.ErrorIs(t, err, ErrMissingMetadataFile)
+ })
+
+ t.Run("Valid", func(t *testing.T) {
+ var buf bytes.Buffer
+ zw := gzip.NewWriter(&buf)
+ tw := tar.NewWriter(zw)
+
+ content := `{"name":"` + packageName + `","version":"` + packageVersion + `"}`
+
+ hdr := &tar.Header{
+ Name: packageName + "/metadata.json",
+ Mode: 0o600,
+ Size: int64(len(content)),
+ }
+ tw.WriteHeader(hdr)
+ tw.Write([]byte(content))
+
+ tw.Close()
+ zw.Close()
+
+ p, err := ParsePackage(&buf)
+ require.NoError(t, err)
+ assert.NotNil(t, p)
+ assert.Equal(t, packageName, p.Name)
+ assert.Equal(t, packageVersion, p.Version)
+ assert.NotNil(t, p.Metadata)
+ })
+}
+
+func TestParseChefMetadata(t *testing.T) {
+ t.Run("InvalidName", func(t *testing.T) {
+ for _, name := range []string{" test", "test "} {
+ p, err := ParseChefMetadata(strings.NewReader(`{"name":"` + name + `","version":"1.0.0"}`))
+ assert.Nil(t, p)
+ require.ErrorIs(t, err, ErrInvalidName)
+ }
+ })
+
+ t.Run("InvalidVersion", func(t *testing.T) {
+ for _, version := range []string{"1", "1.2.3.4", "1.0.0 "} {
+ p, err := ParseChefMetadata(strings.NewReader(`{"name":"test","version":"` + version + `"}`))
+ assert.Nil(t, p)
+ require.ErrorIs(t, err, ErrInvalidVersion)
+ }
+ })
+
+ t.Run("Valid", func(t *testing.T) {
+ p, err := ParseChefMetadata(strings.NewReader(`{"name":"` + packageName + `","version":"` + packageVersion + `","description":"` + packageDescription + `","maintainer":"` + packageAuthor + `","source_url":"` + packageRepositoryURL + `"}`))
+ assert.NotNil(t, p)
+ require.NoError(t, err)
+
+ assert.Equal(t, packageName, p.Name)
+ assert.Equal(t, packageVersion, p.Version)
+ assert.Equal(t, packageDescription, p.Metadata.Description)
+ assert.Equal(t, packageAuthor, p.Metadata.Author)
+ assert.Equal(t, packageRepositoryURL, p.Metadata.RepositoryURL)
+ })
+}