Add support for Pub packages

docs/content/doc/packages/overview.en-us.md

@@ -34,6 +34,7 @@ The following package managers are currently supported:
 | [Maven]({{< relref "doc/packages/maven.en-us.md" >}}) | Java | `mvn`, `gradle` |
 | [npm]({{< relref "doc/packages/npm.en-us.md" >}}) | JavaScript | `npm`, `yarn` |
 | [NuGet]({{< relref "doc/packages/nuget.en-us.md" >}}) | .NET | `nuget` |
+| [Pub]({{< relref "doc/packages/nuget.en-us.md" >}}) | Dart | `dart`, `flutter` |
 | [PyPI]({{< relref "doc/packages/pypi.en-us.md" >}}) | Python | `pip`, `twine` |
 | [RubyGems]({{< relref "doc/packages/rubygems.en-us.md" >}}) | Ruby | `gem`, `Bundler` |
 

docs/content/doc/packages/pub.en-us.md

@@ -0,0 +1,83 @@
+---
+date: "2022-07-31T00:00:00+00:00"
+title: "Pub Packages Repository"
+slug: "packages/pub"
+draft: false
+toc: false
+menu:
+  sidebar:
+    parent: "packages"
+    name: "Pub"
+    weight: 90
+    identifier: "pub"
+---
+
+# Pub Packages Repository
+
+Publish [Pub](https://dart.dev/guides/packages) packages for your user or organization.
+
+**Table of Contents**
+
+{{< toc >}}
+
+## Requirements
+
+To work with the Pub package registry, you need to use the tools [dart](https://dart.dev/tools/dart-tool) and/or [flutter](https://docs.flutter.dev/reference/flutter-cli).
+
+The following examples use dart.
+
+## Configuring the package registry
+
+To register the package registry and provide credentials, execute:
+
+```shell
+dart pub token add https://gitea.example.com/api/packages/{owner}/pub
+```
+
+| Placeholder  | Description |
+| ------------ | ----------- |
+| `owner`      | The owner of the package. |
+
+You need to provide your [personal access token]({{< relref "doc/developers/api-usage.en-us.md#authentication" >}}).
+
+## Publish a package
+
+To publish a package, edit the `pubspec.yaml` and add the following line:
+
+```yaml
+publish_to: https://gitea.example.com/api/packages/{owner}/pub
+```
+
+| Placeholder  | Description |
+| ------------ | ----------- |
+| `owner`      | The owner of the package. |
+
+Now you can publish the package by running the following command:
+
+```shell
+dart pub publish
+```
+
+You cannot publish a package if a package of the same name and version already exists. You must delete the existing package first.
+
+## Install a package
+
+To install a Pub package from the package registry, execute the following command:
+
+```shell
+dart pub add {package_name} --hosted-url=https://gitea.example.com/api/packages/{owner}/pub/
+```
+
+| Parameter         | Description |
+| ----------------- | ----------- |
+| `owner`           | The owner of the package. |
+| `package_name`    | The package name. |
+
+For example:
+
+```shell
+# use latest version
+dart pub add mypackage --hosted-url=https://gitea.example.com/api/packages/testuser/pub/
+# specify version
+dart pub add mypackage:1.0.8 --hosted-url=https://gitea.example.com/api/packages/testuser/pub/
+```

docs/content/doc/packages/pypi.en-us.md

@@ -8,7 +8,7 @@ menu:
   sidebar:
     parent: "packages"
     name: "PyPI"
-    weight: 90
+    weight: 100
     identifier: "pypi"
 ---
 

docs/content/doc/packages/rubygems.en-us.md

@@ -8,7 +8,7 @@ menu:
   sidebar:
     parent: "packages"
     name: "RubyGems"
-    weight: 100
+    weight: 110
     identifier: "rubygems"
 ---
 

integrations/api_packages_pub_test.go

@@ -0,0 +1,179 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integrations
+
+import (
+	"archive/tar"
+	"bytes"
+	"compress/gzip"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/packages"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+	pub_module "code.gitea.io/gitea/modules/packages/pub"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPackagePub(t *testing.T) {
+	defer prepareTestEnv(t)()
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2}).(*user_model.User)
+
+	token := "Bearer " + getUserToken(t, user.Name)
+
+	packageName := "test_package"
+	packageVersion := "1.0.1"
+	packageDescription := "Test Description"
+
+	filename := fmt.Sprintf("%s.tar.gz", packageVersion)
+
+	pubspecContent := `name: ` + packageName + `
+version: ` + packageVersion + `
+description: ` + packageDescription
+
+	var buf bytes.Buffer
+	zw := gzip.NewWriter(&buf)
+	archive := tar.NewWriter(zw)
+	archive.WriteHeader(&tar.Header{
+		Name: "pubspec.yaml",
+		Mode: 0o600,
+		Size: int64(len(pubspecContent)),
+	})
+	archive.Write([]byte(pubspecContent))
+	archive.Close()
+	zw.Close()
+	content := buf.Bytes()
+
+	root := fmt.Sprintf("/api/packages/%s/pub", user.Name)
+
+	t.Run("Upload", func(t *testing.T) {
+		defer PrintCurrentTest(t)()
+
+		uploadURL := root + "/api/packages/versions/new"
+
+		req := NewRequest(t, "GET", uploadURL)
+		MakeRequest(t, req, http.StatusUnauthorized)
+
+		req = NewRequest(t, "GET", uploadURL)
+		addTokenAuthHeader(req, token)
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		type UploadRequest struct {
+			URL    string            `json:"url"`
+			Fields map[string]string `json:"fields"`
+		}
+
+		var result UploadRequest
+		DecodeJSON(t, resp, &result)
+
+		assert.Empty(t, result.Fields)
+
+		uploadFile := func(t *testing.T, url string, content []byte, expectedStatus int) *httptest.ResponseRecorder {
+			body := &bytes.Buffer{}
+			writer := multipart.NewWriter(body)
+			part, _ := writer.CreateFormFile("file", "dummy.tar.gz")
+			_, _ = io.Copy(part, bytes.NewReader(content))
+
+			_ = writer.Close()
+
+			req := NewRequestWithBody(t, "POST", url, body)
+			req.Header.Add("Content-Type", writer.FormDataContentType())
+			addTokenAuthHeader(req, token)
+			return MakeRequest(t, req, expectedStatus)
+		}
+
+		resp = uploadFile(t, result.URL, content, http.StatusNoContent)
+
+		req = NewRequest(t, "GET", resp.Header().Get("Location"))
+		addTokenAuthHeader(req, token)
+		MakeRequest(t, req, http.StatusOK)
+
+		pvs, err := packages.GetVersionsByPackageType(db.DefaultContext, user.ID, packages.TypePub)
+		assert.NoError(t, err)
+		assert.Len(t, pvs, 1)
+
+		pd, err := packages.GetPackageDescriptor(db.DefaultContext, pvs[0])
+		assert.NoError(t, err)
+		assert.NotNil(t, pd.SemVer)
+		assert.IsType(t, &pub_module.Metadata{}, pd.Metadata)
+		assert.Equal(t, packageName, pd.Package.Name)
+		assert.Equal(t, packageVersion, pd.Version.Version)
+
+		pfs, err := packages.GetFilesByVersionID(db.DefaultContext, pvs[0].ID)
+		assert.NoError(t, err)
+		assert.Len(t, pfs, 1)
+		assert.Equal(t, filename, pfs[0].Name)
+		assert.True(t, pfs[0].IsLead)
+
+		pb, err := packages.GetBlobByID(db.DefaultContext, pfs[0].BlobID)
+		assert.NoError(t, err)
+		assert.Equal(t, int64(len(content)), pb.Size)
+
+		resp = uploadFile(t, result.URL, content, http.StatusBadRequest)
+	})
+
+	t.Run("Download", func(t *testing.T) {
+		defer PrintCurrentTest(t)()
+
+		req := NewRequest(t, "GET", fmt.Sprintf("%s/api/packages/%s/%s", root, packageName, packageVersion))
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		type VersionMetadata struct {
+			Version    string      `json:"version"`
+			ArchiveURL string      `json:"archive_url"`
+			Published  time.Time   `json:"published"`
+			Pubspec    interface{} `json:"pubspec,omitempty"`
+		}
+
+		var result VersionMetadata
+		DecodeJSON(t, resp, &result)
+
+		assert.Equal(t, packageVersion, result.Version)
+		assert.NotNil(t, result.Pubspec)
+
+		req = NewRequest(t, "GET", result.ArchiveURL)
+		resp = MakeRequest(t, req, http.StatusOK)
+
+		assert.Equal(t, content, resp.Body.Bytes())
+	})
+
+	t.Run("EnumeratePackageVersions", func(t *testing.T) {
+		defer PrintCurrentTest(t)()
+
+		req := NewRequest(t, "GET", fmt.Sprintf("%s/api/packages/%s", root, packageName))
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		type VersionMetadata struct {
+			Version    string      `json:"version"`
+			ArchiveURL string      `json:"archive_url"`
+			Published  time.Time   `json:"published"`
+			Pubspec    interface{} `json:"pubspec,omitempty"`
+		}
+
+		type PackageVersions struct {
+			Name     string             `json:"name"`
+			Latest   *VersionMetadata   `json:"latest"`
+			Versions []*VersionMetadata `json:"versions"`
+		}
+
+		var result PackageVersions
+		DecodeJSON(t, resp, &result)
+
+		assert.Equal(t, packageName, result.Name)
+		assert.NotNil(t, result.Latest)
+		assert.Len(t, result.Versions, 1)
+		assert.Equal(t, result.Latest.Version, result.Versions[0].Version)
+		assert.Equal(t, packageVersion, result.Latest.Version)
+		assert.NotNil(t, result.Latest.Pubspec)
+	})
+}

models/packages/descriptor.go

@@ -19,6 +19,7 @@ import (
 	"code.gitea.io/gitea/modules/packages/maven"
 	"code.gitea.io/gitea/modules/packages/npm"
 	"code.gitea.io/gitea/modules/packages/nuget"
+	"code.gitea.io/gitea/modules/packages/pub"
 	"code.gitea.io/gitea/modules/packages/pypi"
 	"code.gitea.io/gitea/modules/packages/rubygems"
 
@@ -143,6 +144,8 @@ func GetPackageDescriptor(ctx context.Context, pv *PackageVersion) (*PackageDesc
 		metadata = &npm.Metadata{}
 	case TypeMaven:
 		metadata = &maven.Metadata{}
+	case TypePub:
+		metadata = &pub.Metadata{}
 	case TypePyPI:
 		metadata = &pypi.Metadata{}
 	case TypeRubyGems:

models/packages/package.go

@@ -39,6 +39,7 @@ const (
 	TypeMaven     Type = "maven"
 	TypeNpm       Type = "npm"
 	TypeNuGet     Type = "nuget"
+	TypePub       Type = "pub"
 	TypePyPI      Type = "pypi"
 	TypeRubyGems  Type = "rubygems"
 )
@@ -62,6 +63,8 @@ func (pt Type) Name() string {
 		return "npm"
 	case TypeNuGet:
 		return "NuGet"
+	case TypePub:
+		return "Pub"
 	case TypePyPI:
 		return "PyPI"
 	case TypeRubyGems:
@@ -89,6 +92,8 @@ func (pt Type) SVGName() string {
 		return "gitea-npm"
 	case TypeNuGet:
 		return "gitea-nuget"
+	case TypePub:
+		return "gitea-pub"
 	case TypePyPI:
 		return "gitea-python"
 	case TypeRubyGems: