forgejo-federation/routers/api/packages/generic/generic.go
KN4CK3R cc6927b2d8
Allow multiple files in generic packages (#20661)
* Allow multiple files in generic packages.
* Add deletion of a single file.
* Update docs.
* Change version check.

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2022-08-09 12:39:24 +08:00

189 lines
5.1 KiB
Go

// 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 generic
import (
"errors"
"net/http"
"regexp"
"strings"
packages_model "code.gitea.io/gitea/models/packages"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
packages_module "code.gitea.io/gitea/modules/packages"
"code.gitea.io/gitea/routers/api/packages/helper"
packages_service "code.gitea.io/gitea/services/packages"
)
var (
packageNameRegex = regexp.MustCompile(`\A[A-Za-z0-9\.\_\-\+]+\z`)
filenameRegex = packageNameRegex
)
func apiError(ctx *context.Context, status int, obj interface{}) {
helper.LogAndProcessError(ctx, status, obj, func(message string) {
ctx.PlainText(status, message)
})
}
// DownloadPackageFile serves the specific generic package.
func DownloadPackageFile(ctx *context.Context) {
s, pf, err := packages_service.GetFileStreamByPackageNameAndVersion(
ctx,
&packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypeGeneric,
Name: ctx.Params("packagename"),
Version: ctx.Params("packageversion"),
},
&packages_service.PackageFileInfo{
Filename: ctx.Params("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)
}
// UploadPackage uploads the specific generic package.
// Duplicated packages get rejected.
func UploadPackage(ctx *context.Context) {
packageName := ctx.Params("packagename")
filename := ctx.Params("filename")
if !packageNameRegex.MatchString(packageName) || !filenameRegex.MatchString(filename) {
apiError(ctx, http.StatusBadRequest, errors.New("Invalid package name or filename"))
return
}
packageVersion := ctx.Params("packageversion")
if packageVersion != strings.TrimSpace(packageVersion) {
apiError(ctx, http.StatusBadRequest, errors.New("Invalid package version"))
return
}
upload, close, err := ctx.UploadStream()
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if close {
defer upload.Close()
}
buf, err := packages_module.CreateHashedBufferFromReader(upload, 32*1024*1024)
if err != nil {
log.Error("Error creating hashed buffer: %v", err)
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer buf.Close()
_, _, err = packages_service.CreatePackageOrAddFileToExisting(
&packages_service.PackageCreationInfo{
PackageInfo: packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypeGeneric,
Name: packageName,
Version: packageVersion,
},
Creator: ctx.Doer,
},
&packages_service.PackageFileCreationInfo{
PackageFileInfo: packages_service.PackageFileInfo{
Filename: filename,
},
Data: buf,
IsLead: true,
},
)
if err != nil {
if err == packages_model.ErrDuplicatePackageFile {
apiError(ctx, http.StatusConflict, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
ctx.Status(http.StatusCreated)
}
// DeletePackage deletes the specific generic package.
func DeletePackage(ctx *context.Context) {
err := packages_service.RemovePackageVersionByNameAndVersion(
ctx.Doer,
&packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypeGeneric,
Name: ctx.Params("packagename"),
Version: ctx.Params("packageversion"),
},
)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
ctx.Status(http.StatusNoContent)
}
// DeletePackageFile deletes the specific file of a generic package.
func DeletePackageFile(ctx *context.Context) {
pv, pf, err := func() (*packages_model.PackageVersion, *packages_model.PackageFile, error) {
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeGeneric, ctx.Params("packagename"), ctx.Params("packageversion"))
if err != nil {
return nil, nil, err
}
pf, err := packages_model.GetFileForVersionByName(ctx, pv.ID, ctx.Params("filename"), packages_model.EmptyFileKey)
if err != nil {
return nil, nil, err
}
return pv, pf, nil
}()
if err != nil {
if err == packages_model.ErrPackageNotExist || err == packages_model.ErrPackageFileNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
pfs, err := packages_model.GetFilesByVersionID(ctx, pv.ID)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if len(pfs) == 1 {
if err := packages_service.RemovePackageVersion(ctx.Doer, pv); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
} else {
if err := packages_service.DeletePackageFile(ctx, pf); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
}
ctx.Status(http.StatusNoContent)
}