Add Swift package registry (#22404)

This PR adds a [Swift](https://www.swift.org/) package registry.


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KN4CK3R 2023-03-13 21:28:39 +01:00 committed by GitHub
parent 0a6f6354bb
commit c709fa17a7
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22 changed files with 1353 additions and 2 deletions

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@ -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()
}

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@ -0,0 +1,144 @@
// 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"
)
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)
assert.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)
assert.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)
assert.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)
assert.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))
}
}

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@ -39,6 +39,7 @@ var (
LimitSizePub int64
LimitSizePyPI int64
LimitSizeRubyGems int64
LimitSizeSwift int64
LimitSizeVagrant int64
}{
Enabled: true,
@ -81,6 +82,7 @@ func loadPackagesFrom(rootCfg ConfigProvider) {
Packages.LimitSizePub = mustBytes(sec, "LIMIT_SIZE_PUB")
Packages.LimitSizePyPI = mustBytes(sec, "LIMIT_SIZE_PYPI")
Packages.LimitSizeRubyGems = mustBytes(sec, "LIMIT_SIZE_RUBYGEMS")
Packages.LimitSizeSwift = mustBytes(sec, "LIMIT_SIZE_SWIFT")
Packages.LimitSizeVagrant = mustBytes(sec, "LIMIT_SIZE_VAGRANT")
}