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forgejo/routers/api/packages/pub/pub.go

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8.0 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package pub
import (
"errors"
"fmt"
"io"
"net/http"
"net/url"
"sort"
"strings"
"time"
packages_model "code.gitea.io/gitea/models/packages"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
packages_module "code.gitea.io/gitea/modules/packages"
pub_module "code.gitea.io/gitea/modules/packages/pub"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers/api/packages/helper"
"code.gitea.io/gitea/services/context"
packages_service "code.gitea.io/gitea/services/packages"
)
func jsonResponse(ctx *context.Context, status int, obj any) {
resp := ctx.Resp
resp.Header().Set("Content-Type", "application/vnd.pub.v2+json")
resp.WriteHeader(status)
if err := json.NewEncoder(resp).Encode(obj); err != nil {
log.Error("JSON encode: %v", err)
}
}
func apiError(ctx *context.Context, status int, obj any) {
type Error struct {
Code string `json:"code"`
Message string `json:"message"`
}
type ErrorWrapper struct {
Error Error `json:"error"`
}
helper.LogAndProcessError(ctx, status, obj, func(message string) {
jsonResponse(ctx, status, ErrorWrapper{
Error: Error{
Code: http.StatusText(status),
Message: message,
},
})
})
}
type packageVersions struct {
Name string `json:"name"`
Latest *versionMetadata `json:"latest"`
Versions []*versionMetadata `json:"versions"`
}
type versionMetadata struct {
Version string `json:"version"`
ArchiveURL string `json:"archive_url"`
Published time.Time `json:"published"`
Pubspec any `json:"pubspec,omitempty"`
}
func packageDescriptorToMetadata(baseURL string, pd *packages_model.PackageDescriptor) *versionMetadata {
return &versionMetadata{
Version: pd.Version.Version,
ArchiveURL: fmt.Sprintf("%s/files/%s.tar.gz", baseURL, url.PathEscape(pd.Version.Version)),
Published: pd.Version.CreatedUnix.AsLocalTime(),
Pubspec: pd.Metadata.(*pub_module.Metadata).Pubspec,
}
}
func baseURL(ctx *context.Context) string {
return setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/pub/api/packages"
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#list-all-versions-of-a-package
func EnumeratePackageVersions(ctx *context.Context) {
packageName := ctx.Params("id")
pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypePub, 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
}
sort.Slice(pds, func(i, j int) bool {
return pds[i].SemVer.LessThan(pds[j].SemVer)
})
baseURL := fmt.Sprintf("%s/%s", baseURL(ctx), url.PathEscape(pds[0].Package.Name))
versions := make([]*versionMetadata, 0, len(pds))
for _, pd := range pds {
versions = append(versions, packageDescriptorToMetadata(baseURL, pd))
}
jsonResponse(ctx, http.StatusOK, &packageVersions{
Name: pds[0].Package.Name,
Latest: packageDescriptorToMetadata(baseURL, pds[0]),
Versions: versions,
})
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#deprecated-inspect-a-specific-version-of-a-package
func PackageVersionMetadata(ctx *context.Context) {
packageName := ctx.Params("id")
packageVersion := ctx.Params("version")
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypePub, packageName, packageVersion)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
pd, err := packages_model.GetPackageDescriptor(ctx, pv)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
jsonResponse(ctx, http.StatusOK, packageDescriptorToMetadata(
fmt.Sprintf("%s/%s", baseURL(ctx), url.PathEscape(pd.Package.Name)),
pd,
))
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#publishing-packages
func RequestUpload(ctx *context.Context) {
type UploadRequest struct {
URL string `json:"url"`
Fields map[string]string `json:"fields"`
}
jsonResponse(ctx, http.StatusOK, UploadRequest{
URL: baseURL(ctx) + "/versions/new/upload",
Fields: make(map[string]string),
})
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#publishing-packages
func UploadPackageFile(ctx *context.Context) {
file, _, err := ctx.Req.FormFile("file")
if err != nil {
apiError(ctx, http.StatusBadRequest, err)
return
}
defer file.Close()
buf, err := packages_module.CreateHashedBufferFromReader(file)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer buf.Close()
pck, err := pub_module.ParsePackage(buf)
if err != nil {
if errors.Is(err, util.ErrInvalidArgument) {
apiError(ctx, http.StatusBadRequest, err)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
if _, err := buf.Seek(0, io.SeekStart); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
_, _, err = packages_service.CreatePackageAndAddFile(
ctx,
&packages_service.PackageCreationInfo{
PackageInfo: packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypePub,
Name: pck.Name,
Version: pck.Version,
},
SemverCompatible: true,
Creator: ctx.Doer,
Metadata: pck.Metadata,
},
&packages_service.PackageFileCreationInfo{
PackageFileInfo: packages_service.PackageFileInfo{
Filename: strings.ToLower(pck.Version + ".tar.gz"),
},
Creator: ctx.Doer,
Data: buf,
IsLead: true,
},
)
if err != nil {
switch err {
case packages_model.ErrDuplicatePackageVersion:
apiError(ctx, http.StatusConflict, err)
case packages_service.ErrQuotaTotalCount, packages_service.ErrQuotaTypeSize, packages_service.ErrQuotaTotalSize:
apiError(ctx, http.StatusForbidden, err)
default:
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
ctx.Resp.Header().Set("Location", fmt.Sprintf("%s/versions/new/finalize/%s/%s", baseURL(ctx), url.PathEscape(pck.Name), url.PathEscape(pck.Version)))
ctx.Status(http.StatusNoContent)
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#publishing-packages
func FinalizePackage(ctx *context.Context) {
packageName := ctx.Params("id")
packageVersion := ctx.Params("version")
_, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypePub, packageName, packageVersion)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
type Success struct {
Message string `json:"message"`
}
type SuccessWrapper struct {
Success Success `json:"success"`
}
jsonResponse(ctx, http.StatusOK, SuccessWrapper{Success{}})
}
// https://github.com/dart-lang/pub/blob/master/doc/repository-spec-v2.md#deprecated-download-a-specific-version-of-a-package
func DownloadPackageFile(ctx *context.Context) {
packageName := ctx.Params("id")
packageVersion := strings.TrimSuffix(ctx.Params("version"), ".tar.gz")
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypePub, packageName, packageVersion)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
pd, err := packages_model.GetPackageDescriptor(ctx, pv)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
pf := pd.Files[0].File
s, u, _, err := packages_service.GetPackageFileStream(ctx, pf)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
helper.ServePackageFile(ctx, s, u, pf)
}