c890454769
Fixes #24723 Direct serving of content aka HTTP redirect is not mentioned in any of the package registry specs but lots of official registries do that so it should be supported by the usual clients.
463 lines
13 KiB
Go
463 lines
13 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package swift
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import (
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"errors"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"sort"
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"strings"
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packages_model "code.gitea.io/gitea/models/packages"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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packages_module "code.gitea.io/gitea/modules/packages"
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swift_module "code.gitea.io/gitea/modules/packages/swift"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/routers/api/packages/helper"
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packages_service "code.gitea.io/gitea/services/packages"
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"github.com/hashicorp/go-version"
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)
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
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const (
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AcceptJSON = "application/vnd.swift.registry.v1+json"
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AcceptSwift = "application/vnd.swift.registry.v1+swift"
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AcceptZip = "application/vnd.swift.registry.v1+zip"
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)
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var (
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#361-package-scope
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scopePattern = regexp.MustCompile(`\A[a-zA-Z0-9][a-zA-Z0-9-]{0,38}\z`)
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#362-package-name
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namePattern = regexp.MustCompile(`\A[a-zA-Z0-9][a-zA-Z0-9-_]{0,99}\z`)
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)
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type headers struct {
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Status int
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ContentType string
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Digest string
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Location string
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Link string
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
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func setResponseHeaders(resp http.ResponseWriter, h *headers) {
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if h.ContentType != "" {
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resp.Header().Set("Content-Type", h.ContentType)
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}
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if h.Digest != "" {
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resp.Header().Set("Digest", "sha256="+h.Digest)
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}
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if h.Location != "" {
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resp.Header().Set("Location", h.Location)
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}
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if h.Link != "" {
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resp.Header().Set("Link", h.Link)
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}
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resp.Header().Set("Content-Version", "1")
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if h.Status != 0 {
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resp.WriteHeader(h.Status)
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}
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#33-error-handling
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func apiError(ctx *context.Context, status int, obj interface{}) {
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// https://www.rfc-editor.org/rfc/rfc7807
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type Problem struct {
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Status int `json:"status"`
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Detail string `json:"detail"`
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}
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helper.LogAndProcessError(ctx, status, obj, func(message string) {
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setResponseHeaders(ctx.Resp, &headers{
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Status: status,
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ContentType: "application/problem+json",
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})
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if err := json.NewEncoder(ctx.Resp).Encode(Problem{
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Status: status,
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Detail: message,
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}); err != nil {
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log.Error("JSON encode: %v", err)
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}
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})
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#35-api-versioning
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func CheckAcceptMediaType(requiredAcceptHeader string) func(ctx *context.Context) {
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return func(ctx *context.Context) {
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accept := ctx.Req.Header.Get("Accept")
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if accept != "" && accept != requiredAcceptHeader {
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apiError(ctx, http.StatusBadRequest, fmt.Sprintf("Unexpected accept header. Should be '%s'.", requiredAcceptHeader))
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}
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}
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}
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func buildPackageID(scope, name string) string {
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return scope + "." + name
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}
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type Release struct {
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URL string `json:"url"`
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}
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type EnumeratePackageVersionsResponse struct {
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Releases map[string]Release `json:"releases"`
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#41-list-package-releases
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func EnumeratePackageVersions(ctx *context.Context) {
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packageScope := ctx.Params("scope")
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packageName := ctx.Params("name")
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pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(packageScope, packageName))
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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if len(pvs) == 0 {
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apiError(ctx, http.StatusNotFound, nil)
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return
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}
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pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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sort.Slice(pds, func(i, j int) bool {
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return pds[i].SemVer.LessThan(pds[j].SemVer)
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})
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baseURL := fmt.Sprintf("%sapi/packages/%s/swift/%s/%s/", setting.AppURL, ctx.Package.Owner.LowerName, packageScope, packageName)
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releases := make(map[string]Release)
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for _, pd := range pds {
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version := pd.SemVer.String()
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releases[version] = Release{
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URL: baseURL + version,
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}
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}
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setResponseHeaders(ctx.Resp, &headers{
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Link: fmt.Sprintf(`<%s%s>; rel="latest-version"`, baseURL, pds[len(pds)-1].Version.Version),
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})
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ctx.JSON(http.StatusOK, EnumeratePackageVersionsResponse{
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Releases: releases,
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})
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}
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type Resource struct {
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Name string `json:"id"`
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Type string `json:"type"`
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Checksum string `json:"checksum"`
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}
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type PackageVersionMetadataResponse struct {
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ID string `json:"id"`
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Version string `json:"version"`
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Resources []Resource `json:"resources"`
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Metadata *swift_module.SoftwareSourceCode `json:"metadata"`
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-2
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func PackageVersionMetadata(ctx *context.Context) {
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id := buildPackageID(ctx.Params("scope"), ctx.Params("name"))
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pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, id, ctx.Params("version"))
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if err != nil {
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if errors.Is(err, util.ErrNotExist) {
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apiError(ctx, http.StatusNotFound, err)
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} else {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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return
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}
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pd, err := packages_model.GetPackageDescriptor(ctx, pv)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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metadata := pd.Metadata.(*swift_module.Metadata)
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setResponseHeaders(ctx.Resp, &headers{})
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ctx.JSON(http.StatusOK, PackageVersionMetadataResponse{
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ID: id,
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Version: pd.Version.Version,
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Resources: []Resource{
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{
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Name: "source-archive",
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Type: "application/zip",
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Checksum: pd.Files[0].Blob.HashSHA256,
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},
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},
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Metadata: &swift_module.SoftwareSourceCode{
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Context: []string{"http://schema.org/"},
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Type: "SoftwareSourceCode",
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Name: pd.PackageProperties.GetByName(swift_module.PropertyName),
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Version: pd.Version.Version,
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Description: metadata.Description,
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Keywords: metadata.Keywords,
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CodeRepository: metadata.RepositoryURL,
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License: metadata.License,
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ProgrammingLanguage: swift_module.ProgrammingLanguage{
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Type: "ComputerLanguage",
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Name: "Swift",
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URL: "https://swift.org",
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},
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Author: swift_module.Person{
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Type: "Person",
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GivenName: metadata.Author.GivenName,
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MiddleName: metadata.Author.MiddleName,
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FamilyName: metadata.Author.FamilyName,
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},
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},
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})
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#43-fetch-manifest-for-a-package-release
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func DownloadManifest(ctx *context.Context) {
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packageScope := ctx.Params("scope")
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packageName := ctx.Params("name")
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packageVersion := ctx.Params("version")
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pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(packageScope, packageName), packageVersion)
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if err != nil {
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if errors.Is(err, util.ErrNotExist) {
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apiError(ctx, http.StatusNotFound, err)
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} else {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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return
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}
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pd, err := packages_model.GetPackageDescriptor(ctx, pv)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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swiftVersion := ctx.FormTrim("swift-version")
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if swiftVersion != "" {
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v, err := version.NewVersion(swiftVersion)
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if err == nil {
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swiftVersion = swift_module.TrimmedVersionString(v)
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}
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}
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m, ok := pd.Metadata.(*swift_module.Metadata).Manifests[swiftVersion]
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if !ok {
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setResponseHeaders(ctx.Resp, &headers{
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Status: http.StatusSeeOther,
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Location: fmt.Sprintf("%sapi/packages/%s/swift/%s/%s/%s/Package.swift", setting.AppURL, ctx.Package.Owner.LowerName, packageScope, packageName, packageVersion),
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})
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return
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}
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setResponseHeaders(ctx.Resp, &headers{})
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filename := "Package.swift"
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if swiftVersion != "" {
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filename = fmt.Sprintf("Package@swift-%s.swift", swiftVersion)
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}
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ctx.ServeContent(strings.NewReader(m.Content), &context.ServeHeaderOptions{
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ContentType: "text/x-swift",
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Filename: filename,
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LastModified: pv.CreatedUnix.AsLocalTime(),
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})
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-6
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func UploadPackageFile(ctx *context.Context) {
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packageScope := ctx.Params("scope")
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packageName := ctx.Params("name")
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v, err := version.NewVersion(ctx.Params("version"))
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if !scopePattern.MatchString(packageScope) || !namePattern.MatchString(packageName) || err != nil {
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apiError(ctx, http.StatusBadRequest, err)
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return
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}
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packageVersion := v.Core().String()
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file, _, err := ctx.Req.FormFile("source-archive")
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if err != nil {
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apiError(ctx, http.StatusBadRequest, err)
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return
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}
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defer file.Close()
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buf, err := packages_module.CreateHashedBufferFromReader(file)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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defer buf.Close()
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var mr io.Reader
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metadata := ctx.Req.FormValue("metadata")
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if metadata != "" {
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mr = strings.NewReader(metadata)
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}
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pck, err := swift_module.ParsePackage(buf, buf.Size(), mr)
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if err != nil {
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if errors.Is(err, util.ErrInvalidArgument) {
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apiError(ctx, http.StatusBadRequest, err)
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} else {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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return
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}
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if _, err := buf.Seek(0, io.SeekStart); err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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pv, _, err := packages_service.CreatePackageAndAddFile(
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&packages_service.PackageCreationInfo{
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PackageInfo: packages_service.PackageInfo{
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Owner: ctx.Package.Owner,
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PackageType: packages_model.TypeSwift,
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Name: buildPackageID(packageScope, packageName),
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Version: packageVersion,
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},
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SemverCompatible: true,
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Creator: ctx.Doer,
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Metadata: pck.Metadata,
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PackageProperties: map[string]string{
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swift_module.PropertyScope: packageScope,
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swift_module.PropertyName: packageName,
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},
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},
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&packages_service.PackageFileCreationInfo{
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PackageFileInfo: packages_service.PackageFileInfo{
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Filename: fmt.Sprintf("%s-%s.zip", packageName, packageVersion),
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},
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Creator: ctx.Doer,
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Data: buf,
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IsLead: true,
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},
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)
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if err != nil {
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switch err {
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case packages_model.ErrDuplicatePackageVersion:
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apiError(ctx, http.StatusConflict, err)
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case packages_service.ErrQuotaTotalCount, packages_service.ErrQuotaTypeSize, packages_service.ErrQuotaTotalSize:
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apiError(ctx, http.StatusForbidden, err)
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default:
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apiError(ctx, http.StatusInternalServerError, err)
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}
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return
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}
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for _, url := range pck.RepositoryURLs {
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_, err = packages_model.InsertProperty(ctx, packages_model.PropertyTypeVersion, pv.ID, swift_module.PropertyRepositoryURL, url)
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if err != nil {
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log.Error("InsertProperty failed: %v", err)
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}
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}
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setResponseHeaders(ctx.Resp, &headers{})
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ctx.Status(http.StatusCreated)
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-4
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func DownloadPackageFile(ctx *context.Context) {
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pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeSwift, buildPackageID(ctx.Params("scope"), ctx.Params("name")), ctx.Params("version"))
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if err != nil {
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if errors.Is(err, util.ErrNotExist) {
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apiError(ctx, http.StatusNotFound, err)
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} else {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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return
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}
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pd, err := packages_model.GetPackageDescriptor(ctx, pv)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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pf := pd.Files[0].File
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s, u, _, err := packages_service.GetPackageFileStream(ctx, pf)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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setResponseHeaders(ctx.Resp, &headers{
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Digest: pd.Files[0].Blob.HashSHA256,
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})
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helper.ServePackageFile(ctx, s, u, pf, &context.ServeHeaderOptions{
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Filename: pf.Name,
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ContentType: "application/zip",
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LastModified: pf.CreatedUnix.AsLocalTime(),
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})
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}
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type LookupPackageIdentifiersResponse struct {
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Identifiers []string `json:"identifiers"`
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}
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// https://github.com/apple/swift-package-manager/blob/main/Documentation/Registry.md#endpoint-5
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func LookupPackageIdentifiers(ctx *context.Context) {
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url := ctx.FormTrim("url")
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if url == "" {
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apiError(ctx, http.StatusBadRequest, nil)
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return
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}
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pvs, _, err := packages_model.SearchLatestVersions(ctx, &packages_model.PackageSearchOptions{
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OwnerID: ctx.Package.Owner.ID,
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Type: packages_model.TypeSwift,
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Properties: map[string]string{
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swift_module.PropertyRepositoryURL: url,
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},
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IsInternal: util.OptionalBoolFalse,
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})
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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if len(pvs) == 0 {
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apiError(ctx, http.StatusNotFound, nil)
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return
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}
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pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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identifiers := make([]string, 0, len(pds))
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for _, pd := range pds {
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identifiers = append(identifiers, pd.Package.Name)
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}
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setResponseHeaders(ctx.Resp, &headers{})
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ctx.JSON(http.StatusOK, LookupPackageIdentifiersResponse{
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Identifiers: identifiers,
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})
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}
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