forgejo/routers/api/packages/maven/maven.go
KN4CK3R dc0253b063
Replace ServeStream with ServeContent (#20903)
* Replace ServeStream with ServeContent.

* Update modules/timeutil/timestamp.go

Co-authored-by: delvh <dev.lh@web.de>

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2022-08-25 12:05:21 -04:00

379 lines
9.8 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 maven
import (
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"encoding/xml"
"errors"
"fmt"
"io"
"net/http"
"path/filepath"
"regexp"
"strings"
packages_model "code.gitea.io/gitea/models/packages"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
packages_module "code.gitea.io/gitea/modules/packages"
maven_module "code.gitea.io/gitea/modules/packages/maven"
"code.gitea.io/gitea/routers/api/packages/helper"
packages_service "code.gitea.io/gitea/services/packages"
)
const (
mavenMetadataFile = "maven-metadata.xml"
extensionMD5 = ".md5"
extensionSHA1 = ".sha1"
extensionSHA256 = ".sha256"
extensionSHA512 = ".sha512"
)
var (
errInvalidParameters = errors.New("request parameters are invalid")
illegalCharacters = regexp.MustCompile(`[\\/:"<>|?\*]`)
)
func apiError(ctx *context.Context, status int, obj interface{}) {
helper.LogAndProcessError(ctx, status, obj, func(message string) {
ctx.PlainText(status, message)
})
}
// DownloadPackageFile serves the content of a package
func DownloadPackageFile(ctx *context.Context) {
params, err := extractPathParameters(ctx)
if err != nil {
apiError(ctx, http.StatusBadRequest, err)
return
}
if params.IsMeta && params.Version == "" {
serveMavenMetadata(ctx, params)
} else {
servePackageFile(ctx, params)
}
}
func serveMavenMetadata(ctx *context.Context, params parameters) {
// /com/foo/project/maven-metadata.xml[.md5/.sha1/.sha256/.sha512]
packageName := params.GroupID + "-" + params.ArtifactID
pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypeMaven, packageName)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if len(pvs) == 0 {
apiError(ctx, http.StatusNotFound, packages_model.ErrPackageNotExist)
return
}
pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
xmlMetadata, err := xml.Marshal(createMetadataResponse(pds))
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
xmlMetadataWithHeader := append([]byte(xml.Header), xmlMetadata...)
ext := strings.ToLower(filepath.Ext(params.Filename))
if isChecksumExtension(ext) {
var hash []byte
switch ext {
case extensionMD5:
tmp := md5.Sum(xmlMetadataWithHeader)
hash = tmp[:]
case extensionSHA1:
tmp := sha1.Sum(xmlMetadataWithHeader)
hash = tmp[:]
case extensionSHA256:
tmp := sha256.Sum256(xmlMetadataWithHeader)
hash = tmp[:]
case extensionSHA512:
tmp := sha512.Sum512(xmlMetadataWithHeader)
hash = tmp[:]
}
ctx.PlainText(http.StatusOK, fmt.Sprintf("%x", hash))
return
}
ctx.PlainTextBytes(http.StatusOK, xmlMetadataWithHeader)
}
func servePackageFile(ctx *context.Context, params parameters) {
packageName := params.GroupID + "-" + params.ArtifactID
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeMaven, packageName, params.Version)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
filename := params.Filename
ext := strings.ToLower(filepath.Ext(filename))
if isChecksumExtension(ext) {
filename = filename[:len(filename)-len(ext)]
}
pf, err := packages_model.GetFileForVersionByName(ctx, pv.ID, filename, packages_model.EmptyFileKey)
if err != nil {
if err == packages_model.ErrPackageFileNotExist {
apiError(ctx, http.StatusNotFound, err)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
pb, err := packages_model.GetBlobByID(ctx, pf.BlobID)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if isChecksumExtension(ext) {
var hash string
switch ext {
case extensionMD5:
hash = pb.HashMD5
case extensionSHA1:
hash = pb.HashSHA1
case extensionSHA256:
hash = pb.HashSHA256
case extensionSHA512:
hash = pb.HashSHA512
}
ctx.PlainText(http.StatusOK, hash)
return
}
s, err := packages_module.NewContentStore().Get(packages_module.BlobHash256Key(pb.HashSHA256))
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
}
defer s.Close()
if pf.IsLead {
if err := packages_model.IncrementDownloadCounter(ctx, pv.ID); err != nil {
log.Error("Error incrementing download counter: %v", err)
}
}
ctx.ServeContent(pf.Name, s, pf.CreatedUnix.AsLocalTime())
}
// UploadPackageFile adds a file to the package. If the package does not exist, it gets created.
func UploadPackageFile(ctx *context.Context) {
params, err := extractPathParameters(ctx)
if err != nil {
apiError(ctx, http.StatusBadRequest, err)
return
}
log.Trace("Parameters: %+v", params)
// Ignore the package index /<name>/maven-metadata.xml
if params.IsMeta && params.Version == "" {
ctx.Status(http.StatusOK)
return
}
packageName := params.GroupID + "-" + params.ArtifactID
buf, err := packages_module.CreateHashedBufferFromReader(ctx.Req.Body, 32*1024*1024)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer buf.Close()
pvci := &packages_service.PackageCreationInfo{
PackageInfo: packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypeMaven,
Name: packageName,
Version: params.Version,
},
SemverCompatible: false,
Creator: ctx.Doer,
}
ext := filepath.Ext(params.Filename)
// Do not upload checksum files but compare the hashes.
if isChecksumExtension(ext) {
pv, err := packages_model.GetVersionByNameAndVersion(ctx, pvci.Owner.ID, pvci.PackageType, pvci.Name, pvci.Version)
if err != nil {
if err == packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
pf, err := packages_model.GetFileForVersionByName(ctx, pv.ID, params.Filename[:len(params.Filename)-len(ext)], packages_model.EmptyFileKey)
if err != nil {
if err == packages_model.ErrPackageFileNotExist {
apiError(ctx, http.StatusNotFound, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
pb, err := packages_model.GetBlobByID(ctx, pf.BlobID)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
hash, err := io.ReadAll(buf)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if (ext == extensionMD5 && pb.HashMD5 != string(hash)) ||
(ext == extensionSHA1 && pb.HashSHA1 != string(hash)) ||
(ext == extensionSHA256 && pb.HashSHA256 != string(hash)) ||
(ext == extensionSHA512 && pb.HashSHA512 != string(hash)) {
apiError(ctx, http.StatusBadRequest, "hash mismatch")
return
}
ctx.Status(http.StatusOK)
return
}
pfci := &packages_service.PackageFileCreationInfo{
PackageFileInfo: packages_service.PackageFileInfo{
Filename: params.Filename,
},
Data: buf,
IsLead: false,
OverwriteExisting: params.IsMeta,
}
// If it's the package pom file extract the metadata
if ext == ".pom" {
pfci.IsLead = true
var err error
pvci.Metadata, err = maven_module.ParsePackageMetaData(buf)
if err != nil {
log.Error("Error parsing package metadata: %v", err)
}
if pvci.Metadata != nil {
pv, err := packages_model.GetVersionByNameAndVersion(ctx, pvci.Owner.ID, pvci.PackageType, pvci.Name, pvci.Version)
if err != nil && err != packages_model.ErrPackageNotExist {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if pv != nil {
raw, err := json.Marshal(pvci.Metadata)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
pv.MetadataJSON = string(raw)
if err := packages_model.UpdateVersion(ctx, pv); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
}
}
if _, err := buf.Seek(0, io.SeekStart); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
}
_, _, err = packages_service.CreatePackageOrAddFileToExisting(
pvci,
pfci,
)
if err != nil {
if err == packages_model.ErrDuplicatePackageFile {
apiError(ctx, http.StatusBadRequest, err)
return
}
apiError(ctx, http.StatusInternalServerError, err)
return
}
ctx.Status(http.StatusCreated)
}
func isChecksumExtension(ext string) bool {
return ext == extensionMD5 || ext == extensionSHA1 || ext == extensionSHA256 || ext == extensionSHA512
}
type parameters struct {
GroupID string
ArtifactID string
Version string
Filename string
IsMeta bool
}
func extractPathParameters(ctx *context.Context) (parameters, error) {
parts := strings.Split(ctx.Params("*"), "/")
p := parameters{
Filename: parts[len(parts)-1],
}
p.IsMeta = p.Filename == mavenMetadataFile ||
p.Filename == mavenMetadataFile+extensionMD5 ||
p.Filename == mavenMetadataFile+extensionSHA1 ||
p.Filename == mavenMetadataFile+extensionSHA256 ||
p.Filename == mavenMetadataFile+extensionSHA512
parts = parts[:len(parts)-1]
if len(parts) == 0 {
return p, errInvalidParameters
}
p.Version = parts[len(parts)-1]
if p.IsMeta && !strings.HasSuffix(p.Version, "-SNAPSHOT") {
p.Version = ""
} else {
parts = parts[:len(parts)-1]
}
if illegalCharacters.MatchString(p.Version) {
return p, errInvalidParameters
}
if len(parts) < 2 {
return p, errInvalidParameters
}
p.ArtifactID = parts[len(parts)-1]
p.GroupID = strings.Join(parts[:len(parts)-1], ".")
if illegalCharacters.MatchString(p.GroupID) || illegalCharacters.MatchString(p.ArtifactID) {
return p, errInvalidParameters
}
return p, nil
}