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Diffstat (limited to '')
| -rw-r--r-- | routers/api/packages/swift/swift.go | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/routers/api/packages/swift/swift.go b/routers/api/packages/swift/swift.go new file mode 100644 index 0000000..a9da3ea --- /dev/null +++ b/routers/api/packages/swift/swift.go @@ -0,0 +1,465 @@ +// 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/json" + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/optional" + 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" + "code.gitea.io/gitea/services/context" + 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 any) { + // 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:"name"` + 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) + 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( + ctx, + &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, u, _, err := packages_service.GetPackageFileStream(ctx, pf) + if err != nil { + apiError(ctx, http.StatusInternalServerError, err) + return + } + + setResponseHeaders(ctx.Resp, &headers{ + Digest: pd.Files[0].Blob.HashSHA256, + }) + + helper.ServePackageFile(ctx, s, u, pf, &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: optional.Some(false), + }) + 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, + }) +} |