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-rw-r--r--modules/packages/swift/metadata.go214
-rw-r--r--modules/packages/swift/metadata_test.go145
2 files changed, 359 insertions, 0 deletions
diff --git a/modules/packages/swift/metadata.go b/modules/packages/swift/metadata.go
new file mode 100644
index 0000000..24c4262
--- /dev/null
+++ b/modules/packages/swift/metadata.go
@@ -0,0 +1,214 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package swift
+
+import (
+ "archive/zip"
+ "fmt"
+ "io"
+ "path"
+ "regexp"
+ "strings"
+
+ "code.gitea.io/gitea/modules/json"
+ "code.gitea.io/gitea/modules/util"
+ "code.gitea.io/gitea/modules/validation"
+
+ "github.com/hashicorp/go-version"
+)
+
+var (
+ ErrMissingManifestFile = util.NewInvalidArgumentErrorf("Package.swift file is missing")
+ ErrManifestFileTooLarge = util.NewInvalidArgumentErrorf("Package.swift file is too large")
+ ErrInvalidManifestVersion = util.NewInvalidArgumentErrorf("manifest version is invalid")
+
+ manifestPattern = regexp.MustCompile(`\APackage(?:@swift-(\d+(?:\.\d+)?(?:\.\d+)?))?\.swift\z`)
+ toolsVersionPattern = regexp.MustCompile(`\A// swift-tools-version:(\d+(?:\.\d+)?(?:\.\d+)?)`)
+)
+
+const (
+ maxManifestFileSize = 128 * 1024
+
+ PropertyScope = "swift.scope"
+ PropertyName = "swift.name"
+ PropertyRepositoryURL = "swift.repository_url"
+)
+
+// Package represents a Swift package
+type Package struct {
+ RepositoryURLs []string
+ Metadata *Metadata
+}
+
+// Metadata represents the metadata of a Swift package
+type Metadata struct {
+ Description string `json:"description,omitempty"`
+ Keywords []string `json:"keywords,omitempty"`
+ RepositoryURL string `json:"repository_url,omitempty"`
+ License string `json:"license,omitempty"`
+ Author Person `json:"author,omitempty"`
+ Manifests map[string]*Manifest `json:"manifests,omitempty"`
+}
+
+// Manifest represents a Package.swift file
+type Manifest struct {
+ Content string `json:"content"`
+ ToolsVersion string `json:"tools_version,omitempty"`
+}
+
+// https://schema.org/SoftwareSourceCode
+type SoftwareSourceCode struct {
+ Context []string `json:"@context"`
+ Type string `json:"@type"`
+ Name string `json:"name"`
+ Version string `json:"version"`
+ Description string `json:"description,omitempty"`
+ Keywords []string `json:"keywords,omitempty"`
+ CodeRepository string `json:"codeRepository,omitempty"`
+ License string `json:"license,omitempty"`
+ Author Person `json:"author"`
+ ProgrammingLanguage ProgrammingLanguage `json:"programmingLanguage"`
+ RepositoryURLs []string `json:"repositoryURLs,omitempty"`
+}
+
+// https://schema.org/ProgrammingLanguage
+type ProgrammingLanguage struct {
+ Type string `json:"@type"`
+ Name string `json:"name"`
+ URL string `json:"url"`
+}
+
+// https://schema.org/Person
+type Person struct {
+ Type string `json:"@type,omitempty"`
+ GivenName string `json:"givenName,omitempty"`
+ MiddleName string `json:"middleName,omitempty"`
+ FamilyName string `json:"familyName,omitempty"`
+}
+
+func (p Person) String() string {
+ var sb strings.Builder
+ if p.GivenName != "" {
+ sb.WriteString(p.GivenName)
+ }
+ if p.MiddleName != "" {
+ if sb.Len() > 0 {
+ sb.WriteRune(' ')
+ }
+ sb.WriteString(p.MiddleName)
+ }
+ if p.FamilyName != "" {
+ if sb.Len() > 0 {
+ sb.WriteRune(' ')
+ }
+ sb.WriteString(p.FamilyName)
+ }
+ return sb.String()
+}
+
+// ParsePackage parses the Swift package upload
+func ParsePackage(sr io.ReaderAt, size int64, mr io.Reader) (*Package, error) {
+ zr, err := zip.NewReader(sr, size)
+ if err != nil {
+ return nil, err
+ }
+
+ p := &Package{
+ Metadata: &Metadata{
+ Manifests: make(map[string]*Manifest),
+ },
+ }
+
+ for _, file := range zr.File {
+ manifestMatch := manifestPattern.FindStringSubmatch(path.Base(file.Name))
+ if len(manifestMatch) == 0 {
+ continue
+ }
+
+ if file.UncompressedSize64 > maxManifestFileSize {
+ return nil, ErrManifestFileTooLarge
+ }
+
+ f, err := zr.Open(file.Name)
+ if err != nil {
+ return nil, err
+ }
+
+ content, err := io.ReadAll(f)
+
+ if err := f.Close(); err != nil {
+ return nil, err
+ }
+
+ if err != nil {
+ return nil, err
+ }
+
+ swiftVersion := ""
+ if len(manifestMatch) == 2 && manifestMatch[1] != "" {
+ v, err := version.NewSemver(manifestMatch[1])
+ if err != nil {
+ return nil, ErrInvalidManifestVersion
+ }
+ swiftVersion = TrimmedVersionString(v)
+ }
+
+ manifest := &Manifest{
+ Content: string(content),
+ }
+
+ toolsMatch := toolsVersionPattern.FindStringSubmatch(manifest.Content)
+ if len(toolsMatch) == 2 {
+ v, err := version.NewSemver(toolsMatch[1])
+ if err != nil {
+ return nil, ErrInvalidManifestVersion
+ }
+
+ manifest.ToolsVersion = TrimmedVersionString(v)
+ }
+
+ p.Metadata.Manifests[swiftVersion] = manifest
+ }
+
+ if _, found := p.Metadata.Manifests[""]; !found {
+ return nil, ErrMissingManifestFile
+ }
+
+ if mr != nil {
+ var ssc *SoftwareSourceCode
+ if err := json.NewDecoder(mr).Decode(&ssc); err != nil {
+ return nil, err
+ }
+
+ p.Metadata.Description = ssc.Description
+ p.Metadata.Keywords = ssc.Keywords
+ p.Metadata.License = ssc.License
+ p.Metadata.Author = Person{
+ GivenName: ssc.Author.GivenName,
+ MiddleName: ssc.Author.MiddleName,
+ FamilyName: ssc.Author.FamilyName,
+ }
+
+ p.Metadata.RepositoryURL = ssc.CodeRepository
+ if !validation.IsValidURL(p.Metadata.RepositoryURL) {
+ p.Metadata.RepositoryURL = ""
+ }
+
+ p.RepositoryURLs = ssc.RepositoryURLs
+ }
+
+ return p, nil
+}
+
+// TrimmedVersionString returns the version string without the patch segment if it is zero
+func TrimmedVersionString(v *version.Version) string {
+ segments := v.Segments64()
+
+ var b strings.Builder
+ fmt.Fprintf(&b, "%d.%d", segments[0], segments[1])
+ if segments[2] != 0 {
+ fmt.Fprintf(&b, ".%d", segments[2])
+ }
+ return b.String()
+}
diff --git a/modules/packages/swift/metadata_test.go b/modules/packages/swift/metadata_test.go
new file mode 100644
index 0000000..b223d8c
--- /dev/null
+++ b/modules/packages/swift/metadata_test.go
@@ -0,0 +1,145 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package swift
+
+import (
+ "archive/zip"
+ "bytes"
+ "strings"
+ "testing"
+
+ "github.com/hashicorp/go-version"
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+const (
+ packageName = "gitea"
+ packageVersion = "1.0.1"
+ packageDescription = "Package Description"
+ packageRepositoryURL = "https://gitea.io/gitea/gitea"
+ packageAuthor = "KN4CK3R"
+ packageLicense = "MIT"
+)
+
+func TestParsePackage(t *testing.T) {
+ createArchive := func(files map[string][]byte) *bytes.Reader {
+ var buf bytes.Buffer
+ zw := zip.NewWriter(&buf)
+ for filename, content := range files {
+ w, _ := zw.Create(filename)
+ w.Write(content)
+ }
+ zw.Close()
+ return bytes.NewReader(buf.Bytes())
+ }
+
+ t.Run("MissingManifestFile", func(t *testing.T) {
+ data := createArchive(map[string][]byte{"dummy.txt": {}})
+
+ p, err := ParsePackage(data, data.Size(), nil)
+ assert.Nil(t, p)
+ require.ErrorIs(t, err, ErrMissingManifestFile)
+ })
+
+ t.Run("ManifestFileTooLarge", func(t *testing.T) {
+ data := createArchive(map[string][]byte{
+ "Package.swift": make([]byte, maxManifestFileSize+1),
+ })
+
+ p, err := ParsePackage(data, data.Size(), nil)
+ assert.Nil(t, p)
+ require.ErrorIs(t, err, ErrManifestFileTooLarge)
+ })
+
+ t.Run("WithoutMetadata", func(t *testing.T) {
+ content1 := "// swift-tools-version:5.7\n//\n// Package.swift"
+ content2 := "// swift-tools-version:5.6\n//\n// Package@swift-5.6.swift"
+
+ data := createArchive(map[string][]byte{
+ "Package.swift": []byte(content1),
+ "Package@swift-5.5.swift": []byte(content2),
+ })
+
+ p, err := ParsePackage(data, data.Size(), nil)
+ assert.NotNil(t, p)
+ require.NoError(t, err)
+
+ assert.NotNil(t, p.Metadata)
+ assert.Empty(t, p.RepositoryURLs)
+ assert.Len(t, p.Metadata.Manifests, 2)
+ m := p.Metadata.Manifests[""]
+ assert.Equal(t, "5.7", m.ToolsVersion)
+ assert.Equal(t, content1, m.Content)
+ m = p.Metadata.Manifests["5.5"]
+ assert.Equal(t, "5.6", m.ToolsVersion)
+ assert.Equal(t, content2, m.Content)
+ })
+
+ t.Run("WithMetadata", func(t *testing.T) {
+ data := createArchive(map[string][]byte{
+ "Package.swift": []byte("// swift-tools-version:5.7\n//\n// Package.swift"),
+ })
+
+ p, err := ParsePackage(
+ data,
+ data.Size(),
+ strings.NewReader(`{"name":"`+packageName+`","version":"`+packageVersion+`","description":"`+packageDescription+`","keywords":["swift","package"],"license":"`+packageLicense+`","codeRepository":"`+packageRepositoryURL+`","author":{"givenName":"`+packageAuthor+`"},"repositoryURLs":["`+packageRepositoryURL+`"]}`),
+ )
+ assert.NotNil(t, p)
+ require.NoError(t, err)
+
+ assert.NotNil(t, p.Metadata)
+ assert.Len(t, p.Metadata.Manifests, 1)
+ m := p.Metadata.Manifests[""]
+ assert.Equal(t, "5.7", m.ToolsVersion)
+
+ assert.Equal(t, packageDescription, p.Metadata.Description)
+ assert.ElementsMatch(t, []string{"swift", "package"}, p.Metadata.Keywords)
+ assert.Equal(t, packageLicense, p.Metadata.License)
+ assert.Equal(t, packageAuthor, p.Metadata.Author.GivenName)
+ assert.Equal(t, packageRepositoryURL, p.Metadata.RepositoryURL)
+ assert.ElementsMatch(t, []string{packageRepositoryURL}, p.RepositoryURLs)
+ })
+}
+
+func TestTrimmedVersionString(t *testing.T) {
+ cases := []struct {
+ Version *version.Version
+ Expected string
+ }{
+ {
+ Version: version.Must(version.NewVersion("1")),
+ Expected: "1.0",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0")),
+ Expected: "1.0",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0.0")),
+ Expected: "1.0",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0.1")),
+ Expected: "1.0.1",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0+meta")),
+ Expected: "1.0",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0.0+meta")),
+ Expected: "1.0",
+ },
+ {
+ Version: version.Must(version.NewVersion("1.0.1+meta")),
+ Expected: "1.0.1",
+ },
+ }
+
+ for _, c := range cases {
+ assert.Equal(t, c.Expected, TrimmedVersionString(c.Version))
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 20:02:05 +0100