Add Package Registry (#16510)

* Added package store settings.

* Added models.

* Added generic package registry.

* Added tests.

* Added NuGet package registry.

* Moved service index to api file.

* Added NPM package registry.

* Added Maven package registry.

* Added PyPI package registry.

* Summary is deprecated.

* Changed npm name.

* Sanitize project url.

* Allow only scoped packages.

* Added user interface.

* Changed method name.

* Added missing migration file.

* Set page info.

* Added documentation.

* Added documentation links.

* Fixed wrong error message.

* Lint template files.

* Fixed merge errors.

* Fixed unit test storage path.

* Switch to json module.

* Added suggestions.

* Added package webhook.

* Add package api.

* Fixed swagger file.

* Fixed enum and comments.

* Fixed NuGet pagination.

* Print test names.

* Added api tests.

* Fixed access level.

* Fix User unmarshal.

* Added RubyGems package registry.

* Fix lint.

* Implemented io.Writer.

* Added support for sha256/sha512 checksum files.

* Improved maven-metadata.xml support.

* Added support for symbol package uploads.

* Added tests.

* Added overview docs.

* Added npm dependencies and keywords.

* Added no-packages information.

* Display file size.

* Display asset count.

* Fixed filter alignment.

* Added package icons.

* Formatted instructions.

* Allow anonymous package downloads.

* Fixed comments.

* Fixed postgres test.

* Moved file.

* Moved models to models/packages.

* Use correct error response format per client.

* Use simpler search form.

* Fixed IsProd.

* Restructured data model.

* Prevent empty filename.

* Fix swagger.

* Implemented user/org registry.

* Implemented UI.

* Use GetUserByIDCtx.

* Use table for dependencies.

* make svg

* Added support for unscoped npm packages.

* Add support for npm dist tags.

* Added tests for npm tags.

* Unlink packages if repository gets deleted.

* Prevent user/org delete if a packages exist.

* Use package unlink in repository service.

* Added support for composer packages.

* Restructured package docs.

* Added missing tests.

* Fixed generic content page.

* Fixed docs.

* Fixed swagger.

* Added missing type.

* Fixed ambiguous column.

* Organize content store by sha256 hash.

* Added admin package management.

* Added support for sorting.

* Add support for multiple identical versions/files.

* Added missing repository unlink.

* Added file properties.

* make fmt

* lint

* Added Conan package registry.

* Updated docs.

* Unify package names.

* Added swagger enum.

* Use longer TEXT column type.

* Removed version composite key.

* Merged package and container registry.

* Removed index.

* Use dedicated package router.

* Moved files to new location.

* Updated docs.

* Fixed JOIN order.

* Fixed GROUP BY statement.

* Fixed GROUP BY #2.

* Added symbol server support.

* Added more tests.

* Set NOT NULL.

* Added setting to disable package registries.

* Moved auth into service.

* refactor

* Use ctx everywhere.

* Added package cleanup task.

* Changed packages path.

* Added container registry.

* Refactoring

* Updated comparison.

* Fix swagger.

* Fixed table order.

* Use token auth for npm routes.

* Enabled ReverseProxy auth.

* Added packages link for orgs.

* Fixed anonymous org access.

* Enable copy button for setup instructions.

* Merge error

* Added suggestions.

* Fixed merge.

* Handle "generic".

* Added link for TODO.

* Added suggestions.

* Changed temporary buffer filename.

* Added suggestions.

* Apply suggestions from code review

Co-authored-by: Thomas Boerger <thomas@webhippie.de>

* Update docs/content/doc/packages/nuget.en-us.md

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Thomas Boerger <thomas@webhippie.de>

1 files changed, 174 insertions, 0 deletions

diff --git a/routers/api/packages/pypi/pypi.go b/routers/api/packages/pypi/pypi.go
new file mode 100644
index 0000000000..9209c4edd5
--- /dev/null
+++ b/routers/api/packages/pypi/pypi.go
@@ -0,0 +1,174 @@
+// Copyright 2021 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 pypi
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+
+	packages_model "code.gitea.io/gitea/models/packages"
+	"code.gitea.io/gitea/modules/context"
+	packages_module "code.gitea.io/gitea/modules/packages"
+	pypi_module "code.gitea.io/gitea/modules/packages/pypi"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/templates"
+	"code.gitea.io/gitea/modules/validation"
+	"code.gitea.io/gitea/routers/api/packages/helper"
+	packages_service "code.gitea.io/gitea/services/packages"
+)
+
+// https://www.python.org/dev/peps/pep-0503/#normalized-names
+var normalizer = strings.NewReplacer(".", "-", "_", "-")
+var nameMatcher = regexp.MustCompile(`\A[a-z0-9\.\-_]+\z`)
+
+// https://www.python.org/dev/peps/pep-0440/#appendix-b-parsing-version-strings-with-regular-expressions
+var versionMatcher = regexp.MustCompile(`^([1-9][0-9]*!)?(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))*((a|b|rc)(0|[1-9][0-9]*))?(\.post(0|[1-9][0-9]*))?(\.dev(0|[1-9][0-9]*))?$`)
+
+func apiError(ctx *context.Context, status int, obj interface{}) {
+	helper.LogAndProcessError(ctx, status, obj, func(message string) {
+		ctx.PlainText(status, message)
+	})
+}
+
+// PackageMetadata returns the metadata for a single package
+func PackageMetadata(ctx *context.Context) {
+	packageName := normalizer.Replace(ctx.Params("id"))
+
+	pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypePyPI, packageName)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	if len(pvs) == 0 {
+		apiError(ctx, http.StatusNotFound, err)
+		return
+	}
+
+	pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	ctx.Data["RegistryURL"] = setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/pypi"
+	ctx.Data["PackageDescriptor"] = pds[0]
+	ctx.Data["PackageDescriptors"] = pds
+	ctx.Render = templates.HTMLRenderer()
+	ctx.HTML(http.StatusOK, "api/packages/pypi/simple")
+}
+
+// DownloadPackageFile serves the content of a package
+func DownloadPackageFile(ctx *context.Context) {
+	packageName := normalizer.Replace(ctx.Params("id"))
+	packageVersion := ctx.Params("version")
+	filename := ctx.Params("filename")
+
+	s, pf, err := packages_service.GetFileStreamByPackageNameAndVersion(
+		ctx,
+		&packages_service.PackageInfo{
+			Owner:       ctx.Package.Owner,
+			PackageType: packages_model.TypePyPI,
+			Name:        packageName,
+			Version:     packageVersion,
+		},
+		&packages_service.PackageFileInfo{
+			Filename: filename,
+		},
+	)
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist || err == packages_model.ErrPackageFileNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	defer s.Close()
+
+	ctx.ServeStream(s, pf.Name)
+}
+
+// UploadPackageFile adds a file to the package. If the package does not exist, it gets created.
+func UploadPackageFile(ctx *context.Context) {
+	file, fileHeader, err := ctx.Req.FormFile("content")
+	if err != nil {
+		apiError(ctx, http.StatusBadRequest, err)
+		return
+	}
+	defer file.Close()
+
+	buf, err := packages_module.CreateHashedBufferFromReader(file, 32*1024*1024)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	defer buf.Close()
+
+	_, _, hashSHA256, _ := buf.Sums()
+
+	if !strings.EqualFold(ctx.Req.FormValue("sha256_digest"), fmt.Sprintf("%x", hashSHA256)) {
+		apiError(ctx, http.StatusBadRequest, "hash mismatch")
+		return
+	}
+
+	if _, err := buf.Seek(0, io.SeekStart); err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	packageName := normalizer.Replace(ctx.Req.FormValue("name"))
+	packageVersion := ctx.Req.FormValue("version")
+	if !nameMatcher.MatchString(packageName) || !versionMatcher.MatchString(packageVersion) {
+		apiError(ctx, http.StatusBadRequest, "invalid name or version")
+		return
+	}
+
+	projectURL := ctx.Req.FormValue("home_page")
+	if !validation.IsValidURL(projectURL) {
+		projectURL = ""
+	}
+
+	_, _, err = packages_service.CreatePackageOrAddFileToExisting(
+		&packages_service.PackageCreationInfo{
+			PackageInfo: packages_service.PackageInfo{
+				Owner:       ctx.Package.Owner,
+				PackageType: packages_model.TypePyPI,
+				Name:        packageName,
+				Version:     packageVersion,
+			},
+			SemverCompatible: true,
+			Creator:          ctx.Doer,
+			Metadata: &pypi_module.Metadata{
+				Author:          ctx.Req.FormValue("author"),
+				Description:     ctx.Req.FormValue("description"),
+				LongDescription: ctx.Req.FormValue("long_description"),
+				Summary:         ctx.Req.FormValue("summary"),
+				ProjectURL:      projectURL,
+				License:         ctx.Req.FormValue("license"),
+				RequiresPython:  ctx.Req.FormValue("requires_python"),
+			},
+		},
+		&packages_service.PackageFileCreationInfo{
+			PackageFileInfo: packages_service.PackageFileInfo{
+				Filename: fileHeader.Filename,
+			},
+			Data:   buf,
+			IsLead: true,
+		},
+	)
+	if err != nil {
+		if err == packages_model.ErrDuplicatePackageFile {
+			apiError(ctx, http.StatusBadRequest, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	ctx.Status(http.StatusCreated)
+}