forgejo-federation/routers/api/packages/swift/swift.go

464 lines
13 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package swift
import (
"errors"
"fmt"
"io"
"net/http"
"regexp"
"sort"
"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"
swift_module "code.gitea.io/gitea/modules/packages/swift"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers/api/packages/helper"
packages_service "code.gitea.io/gitea/services/packages"
"github.com/hashicorp/go-version"
)
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
const (
AcceptJSON = "application/vnd.swift.registry.v1+json"
AcceptSwift = "application/vnd.swift.registry.v1+swift"
AcceptZip = "application/vnd.swift.registry.v1+zip"
)
var (
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#361-package-scope
scopePattern = regexp.MustCompile(`\A[a-zA-Z0-9][a-zA-Z0-9-]{0,38}\z`)
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#362-package-name
namePattern = regexp.MustCompile(`\A[a-zA-Z0-9][a-zA-Z0-9-_]{0,99}\z`)
)
type headers struct {
Status int
ContentType string
Digest string
Location string
Link string
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
func setResponseHeaders(resp http.ResponseWriter, h *headers) {
if h.ContentType != "" {
resp.Header().Set("Content-Type", h.ContentType)
}
if h.Digest != "" {
resp.Header().Set("Digest", "sha256="+h.Digest)
}
if h.Location != "" {
resp.Header().Set("Location", h.Location)
}
if h.Link != "" {
resp.Header().Set("Link", h.Link)
}
resp.Header().Set("Content-Version", "1")
if h.Status != 0 {
resp.WriteHeader(h.Status)
}
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#33-error-handling
func apiError(ctx *context.Context, status int, obj interface{}) {
// https://www.rfc-editor.org/rfc/rfc7807
type Problem struct {
Status int `json:"status"`
Detail string `json:"detail"`
}
helper.LogAndProcessError(ctx, status, obj, func(message string) {
setResponseHeaders(ctx.Resp, &headers{
Status: status,
ContentType: "application/problem+json",
})
if err := json.NewEncoder(ctx.Resp).Encode(Problem{
Status: status,
Detail: message,
}); err != nil {
log.Error("JSON encode: %v", err)
}
})
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
func CheckAcceptMediaType(requiredAcceptHeader string) func(ctx *context.Context) {
return func(ctx *context.Context) {
accept := ctx.Req.Header.Get("Accept")
if accept != "" && accept != requiredAcceptHeader {
apiError(ctx, http.StatusBadRequest, fmt.Sprintf("Unexpected accept header. Should be '%s'.", requiredAcceptHeader))
}
}
}
func buildPackageID(scope, name string) string {
return scope + "." + name
}
type Release struct {
URL string `json:"url"`
}
type EnumeratePackageVersionsResponse struct {
Releases map[string]Release `json:"releases"`
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#41-list-package-releases
func EnumeratePackageVersions(ctx *context.Context) {
packageScope := ctx.Params("scope")
packageName := ctx.Params("name")
pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(packageScope, packageName))
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if len(pvs) == 0 {
apiError(ctx, http.StatusNotFound, nil)
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("%sapi/packages/%s/swift/%s/%s/", setting.AppURL, ctx.Package.Owner.LowerName, packageScope, packageName)
releases := make(map[string]Release)
for _, pd := range pds {
version := pd.SemVer.String()
releases[version] = Release{
URL: baseURL + version,
}
}
setResponseHeaders(ctx.Resp, &headers{
Link: fmt.Sprintf(`<%s%s>; rel="latest-version"`, baseURL, pds[len(pds)-1].Version.Version),
})
ctx.JSON(http.StatusOK, EnumeratePackageVersionsResponse{
Releases: releases,
})
}
type Resource struct {
Name string `json:"id"`
Type string `json:"type"`
Checksum string `json:"checksum"`
}
type PackageVersionMetadataResponse struct {
ID string `json:"id"`
Version string `json:"version"`
Resources []Resource `json:"resources"`
Metadata *swift_module.SoftwareSourceCode `json:"metadata"`
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-2
func PackageVersionMetadata(ctx *context.Context) {
id := buildPackageID(ctx.Params("scope"), ctx.Params("name"))
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, id, ctx.Params("version"))
if err != nil {
if errors.Is(err, util.ErrNotExist) {
apiError(ctx, http.StatusNotFound, err)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
pd, err := packages_model.GetPackageDescriptor(ctx, pv)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
metadata := pd.Metadata.(*swift_module.Metadata)
setResponseHeaders(ctx.Resp, &headers{})
ctx.JSON(http.StatusOK, PackageVersionMetadataResponse{
ID: id,
Version: pd.Version.Version,
Resources: []Resource{
{
Name: "source-archive",
Type: "application/zip",
Checksum: pd.Files[0].Blob.HashSHA256,
},
},
Metadata: &swift_module.SoftwareSourceCode{
Context: []string{"http://schema.org/"},
Type: "SoftwareSourceCode",
Name: pd.PackageProperties.GetByName(swift_module.PropertyName),
Version: pd.Version.Version,
Description: metadata.Description,
Keywords: metadata.Keywords,
CodeRepository: metadata.RepositoryURL,
License: metadata.License,
ProgrammingLanguage: swift_module.ProgrammingLanguage{
Type: "ComputerLanguage",
Name: "Swift",
URL: "https://swift.org",
},
Author: swift_module.Person{
Type: "Person",
GivenName: metadata.Author.GivenName,
MiddleName: metadata.Author.MiddleName,
FamilyName: metadata.Author.FamilyName,
},
},
})
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#43-fetch-manifest-for-a-package-release
func DownloadManifest(ctx *context.Context) {
packageScope := ctx.Params("scope")
packageName := ctx.Params("name")
packageVersion := ctx.Params("version")
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(packageScope, packageName), packageVersion)
if err != nil {
if errors.Is(err, util.ErrNotExist) {
apiError(ctx, http.StatusNotFound, err)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
pd, err := packages_model.GetPackageDescriptor(ctx, pv)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
swiftVersion := ctx.FormTrim("swift-version")
if swiftVersion != "" {
v, err := version.NewVersion(swiftVersion)
if err == nil {
swiftVersion = swift_module.TrimmedVersionString(v)
}
}
m, ok := pd.Metadata.(*swift_module.Metadata).Manifests[swiftVersion]
if !ok {
setResponseHeaders(ctx.Resp, &headers{
Status: http.StatusSeeOther,
Location: fmt.Sprintf("%sapi/packages/%s/swift/%s/%s/%s/Package.swift", setting.AppURL, ctx.Package.Owner.LowerName, packageScope, packageName, packageVersion),
})
return
}
setResponseHeaders(ctx.Resp, &headers{})
filename := "Package.swift"
if swiftVersion != "" {
filename = fmt.Sprintf("Package@swift-%s.swift", swiftVersion)
}
ctx.ServeContent(strings.NewReader(m.Content), &context.ServeHeaderOptions{
ContentType: "text/x-swift",
Filename: filename,
LastModified: pv.CreatedUnix.AsLocalTime(),
})
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-6
func UploadPackageFile(ctx *context.Context) {
packageScope := ctx.Params("scope")
packageName := ctx.Params("name")
v, err := version.NewVersion(ctx.Params("version"))
if !scopePattern.MatchString(packageScope) || !namePattern.MatchString(packageName) || err != nil {
apiError(ctx, http.StatusBadRequest, err)
return
}
packageVersion := v.Core().String()
file, _, err := ctx.Req.FormFile("source-archive")
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()
var mr io.Reader
metadata := ctx.Req.FormValue("metadata")
if metadata != "" {
mr = strings.NewReader(metadata)
}
pck, err := swift_module.ParsePackage(buf, buf.Size(), mr)
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
}
pv, _, err := packages_service.CreatePackageAndAddFile(
&packages_service.PackageCreationInfo{
PackageInfo: packages_service.PackageInfo{
Owner: ctx.Package.Owner,
PackageType: packages_model.TypeSwift,
Name: buildPackageID(packageScope, packageName),
Version: packageVersion,
},
SemverCompatible: true,
Creator: ctx.Doer,
Metadata: pck.Metadata,
PackageProperties: map[string]string{
swift_module.PropertyScope: packageScope,
swift_module.PropertyName: packageName,
},
},
&packages_service.PackageFileCreationInfo{
PackageFileInfo: packages_service.PackageFileInfo{
Filename: fmt.Sprintf("%s-%s.zip", packageName, packageVersion),
},
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
}
for _, url := range pck.RepositoryURLs {
_, err = packages_model.InsertProperty(ctx, packages_model.PropertyTypeVersion, pv.ID, swift_module.PropertyRepositoryURL, url)
if err != nil {
log.Error("InsertProperty failed: %v", err)
}
}
setResponseHeaders(ctx.Resp, &headers{})
ctx.Status(http.StatusCreated)
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-4
func DownloadPackageFile(ctx *context.Context) {
pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(ctx.Params("scope"), ctx.Params("name")), ctx.Params("version"))
if err != nil {
if errors.Is(err, util.ErrNotExist) {
apiError(ctx, http.StatusNotFound, err)
} else {
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, _, err := packages_service.GetPackageFileStream(ctx, pf)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer s.Close()
setResponseHeaders(ctx.Resp, &headers{
Digest: pd.Files[0].Blob.HashSHA256,
})
ctx.ServeContent(s, &context.ServeHeaderOptions{
Filename: pf.Name,
ContentType: "application/zip",
LastModified: pf.CreatedUnix.AsLocalTime(),
})
}
type LookupPackageIdentifiersResponse struct {
Identifiers []string `json:"identifiers"`
}
// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-5
func LookupPackageIdentifiers(ctx *context.Context) {
url := ctx.FormTrim("url")
if url == "" {
apiError(ctx, http.StatusBadRequest, nil)
return
}
pvs, _, err := packages_model.SearchLatestVersions(ctx, &packages_model.PackageSearchOptions{
OwnerID: ctx.Package.Owner.ID,
Type: packages_model.TypeSwift,
Properties: map[string]string{
swift_module.PropertyRepositoryURL: url,
},
IsInternal: util.OptionalBoolFalse,
})
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if len(pvs) == 0 {
apiError(ctx, http.StatusNotFound, nil)
return
}
pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
identifiers := make([]string, 0, len(pds))
for _, pd := range pds {
identifiers = append(identifiers, pd.Package.Name)
}
setResponseHeaders(ctx.Resp, &headers{})
ctx.JSON(http.StatusOK, LookupPackageIdentifiersResponse{
Identifiers: identifiers,
})
}