452 lines
12 KiB
Go
452 lines
12 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package rubygems
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import (
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"compress/gzip"
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"compress/zlib"
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"crypto/md5"
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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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"strings"
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packages_model "code.gitea.io/gitea/models/packages"
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"code.gitea.io/gitea/modules/optional"
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packages_module "code.gitea.io/gitea/modules/packages"
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rubygems_module "code.gitea.io/gitea/modules/packages/rubygems"
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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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"code.gitea.io/gitea/services/context"
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packages_service "code.gitea.io/gitea/services/packages"
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)
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const (
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Sep = "---\n"
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)
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func apiError(ctx *context.Context, status int, obj any) {
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helper.LogAndProcessError(ctx, status, obj, func(message string) {
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ctx.PlainText(status, message)
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})
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}
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// EnumeratePackages serves the package list
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func EnumeratePackages(ctx *context.Context) {
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packages, err := packages_model.GetVersionsByPackageType(ctx, ctx.Package.Owner.ID, packages_model.TypeRubyGems)
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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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enumeratePackages(ctx, "specs.4.8", packages)
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}
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// EnumeratePackagesLatest serves the list of the latest version of every package
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func EnumeratePackagesLatest(ctx *context.Context) {
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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.TypeRubyGems,
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IsInternal: optional.Some(false),
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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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enumeratePackages(ctx, "latest_specs.4.8", pvs)
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}
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// EnumeratePackagesPreRelease is not supported and serves an empty list
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func EnumeratePackagesPreRelease(ctx *context.Context) {
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enumeratePackages(ctx, "prerelease_specs.4.8", []*packages_model.PackageVersion{})
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}
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func enumeratePackages(ctx *context.Context, filename string, pvs []*packages_model.PackageVersion) {
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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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specs := make([]any, 0, len(pds))
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for _, p := range pds {
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specs = append(specs, []any{
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p.Package.Name,
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&rubygems_module.RubyUserMarshal{
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Name: "Gem::Version",
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Value: []string{p.Version.Version},
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},
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p.Metadata.(*rubygems_module.Metadata).Platform,
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})
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}
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ctx.SetServeHeaders(&context.ServeHeaderOptions{
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Filename: filename + ".gz",
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})
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zw := gzip.NewWriter(ctx.Resp)
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defer zw.Close()
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zw.Name = filename
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if err := rubygems_module.NewMarshalEncoder(zw).Encode(specs); err != nil {
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ctx.ServerError("Download file failed", err)
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}
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}
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// Serves info file for rubygems.org compatible /info/{gem} file.
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// See also https://guides.rubygems.org/rubygems-org-compact-index-api/.
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func ServePackageInfo(ctx *context.Context) {
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packageName := ctx.Params("package")
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versions, err := packages_model.GetVersionsByPackageName(
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ctx, ctx.Package.Owner.ID, packages_model.TypeRubyGems, packageName)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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if len(versions) == 0 {
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apiError(ctx, http.StatusNotFound, fmt.Sprintf("Could not find package %s", packageName))
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}
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result, err := buildInfoFileForPackage(ctx, versions)
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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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ctx.PlainText(http.StatusOK, *result)
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}
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// ServeVersionsFile creates rubygems.org compatible /versions file.
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// See also https://guides.rubygems.org/rubygems-org-compact-index-api/.
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func ServeVersionsFile(ctx *context.Context) {
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packages, err := packages_model.GetPackagesByType(
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ctx, ctx.Package.Owner.ID, packages_model.TypeRubyGems)
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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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result := new(strings.Builder)
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result.WriteString(Sep)
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for _, pack := range packages {
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versions, err := packages_model.GetVersionsByPackageName(
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ctx, ctx.Package.Owner.ID, packages_model.TypeRubyGems, pack.Name)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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if len(versions) == 0 {
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// No versions left for this package, we should continue.
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continue
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}
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fmt.Fprintf(result, "%s ", pack.Name)
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for i, v := range versions {
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result.WriteString(v.Version)
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if i != len(versions)-1 {
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result.WriteString(",")
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}
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}
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info, err := buildInfoFileForPackage(ctx, versions)
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if err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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}
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checksum := md5.Sum([]byte(*info))
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fmt.Fprintf(result, " %x\n", checksum)
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}
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ctx.PlainText(http.StatusOK, result.String())
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}
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// ServePackageSpecification serves the compressed Gemspec file of a package
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func ServePackageSpecification(ctx *context.Context) {
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filename := ctx.Params("filename")
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if !strings.HasSuffix(filename, ".gemspec.rz") {
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apiError(ctx, http.StatusNotImplemented, nil)
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return
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}
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pvs, err := getVersionsByFilename(ctx, filename[:len(filename)-10]+"gem")
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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) != 1 {
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apiError(ctx, http.StatusNotFound, nil)
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return
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}
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pd, err := packages_model.GetPackageDescriptor(ctx, pvs[0])
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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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ctx.SetServeHeaders(&context.ServeHeaderOptions{
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Filename: filename,
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})
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zw := zlib.NewWriter(ctx.Resp)
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defer zw.Close()
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metadata := pd.Metadata.(*rubygems_module.Metadata)
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// create a Ruby Gem::Specification object
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spec := &rubygems_module.RubyUserDef{
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Name: "Gem::Specification",
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Value: []any{
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"3.2.3", // @rubygems_version
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4, // @specification_version,
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pd.Package.Name,
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&rubygems_module.RubyUserMarshal{
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Name: "Gem::Version",
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Value: []string{pd.Version.Version},
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},
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nil, // date
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metadata.Summary, // @summary
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nil, // @required_ruby_version
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nil, // @required_rubygems_version
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metadata.Platform, // @original_platform
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[]any{}, // @dependencies
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nil, // rubyforge_project
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"", // @email
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metadata.Authors,
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metadata.Description,
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metadata.ProjectURL,
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true, // has_rdoc
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metadata.Platform, // @new_platform
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nil,
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metadata.Licenses,
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},
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}
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if err := rubygems_module.NewMarshalEncoder(zw).Encode(spec); err != nil {
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ctx.ServerError("Download file failed", err)
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}
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}
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// DownloadPackageFile serves the content of a package
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func DownloadPackageFile(ctx *context.Context) {
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filename := ctx.Params("filename")
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pvs, err := getVersionsByFilename(ctx, filename)
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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) != 1 {
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apiError(ctx, http.StatusNotFound, nil)
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return
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}
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s, u, pf, err := packages_service.GetFileStreamByPackageVersion(
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ctx,
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pvs[0],
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&packages_service.PackageFileInfo{
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Filename: filename,
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},
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)
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if err != nil {
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if err == packages_model.ErrPackageFileNotExist {
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apiError(ctx, http.StatusNotFound, err)
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return
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}
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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helper.ServePackageFile(ctx, s, u, pf)
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}
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// UploadPackageFile adds a file to the package. If the package does not exist, it gets created.
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func UploadPackageFile(ctx *context.Context) {
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upload, needToClose, err := ctx.UploadStream()
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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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if needToClose {
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defer upload.Close()
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}
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buf, err := packages_module.CreateHashedBufferFromReader(upload)
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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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rp, err := rubygems_module.ParsePackageMetaData(buf)
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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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filename := getFullFilename(rp.Name, rp.Version, rp.Metadata.Platform)
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_, _, err = packages_service.CreatePackageAndAddFile(
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ctx,
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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.TypeRubyGems,
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Name: rp.Name,
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Version: rp.Version,
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},
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SemverCompatible: true,
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Creator: ctx.Doer,
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Metadata: rp.Metadata,
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},
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&packages_service.PackageFileCreationInfo{
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PackageFileInfo: packages_service.PackageFileInfo{
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Filename: filename,
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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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ctx.Status(http.StatusCreated)
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}
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// DeletePackage deletes a package
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func DeletePackage(ctx *context.Context) {
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// Go populates the form only for POST, PUT and PATCH requests
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if err := ctx.Req.ParseMultipartForm(32 << 20); err != nil {
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apiError(ctx, http.StatusInternalServerError, err)
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return
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}
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packageName := ctx.FormString("gem_name")
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packageVersion := ctx.FormString("version")
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err := packages_service.RemovePackageVersionByNameAndVersion(
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ctx,
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ctx.Doer,
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&packages_service.PackageInfo{
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Owner: ctx.Package.Owner,
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PackageType: packages_model.TypeRubyGems,
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Name: packageName,
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Version: packageVersion,
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},
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)
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if err != nil {
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if err == packages_model.ErrPackageNotExist {
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apiError(ctx, http.StatusNotFound, err)
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return
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}
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apiError(ctx, http.StatusInternalServerError, err)
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}
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}
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func writeRequirements(reqs []rubygems_module.VersionRequirement, result *strings.Builder) {
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if len(reqs) == 0 {
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reqs = []rubygems_module.VersionRequirement{{Restriction: ">=", Version: "0"}}
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}
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for i, req := range reqs {
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if i != 0 {
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result.WriteString("&")
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}
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result.WriteString(req.Restriction)
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result.WriteString(" ")
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result.WriteString(req.Version)
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}
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}
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func buildRequirementStringFromVersion(ctx *context.Context, version *packages_model.PackageVersion) (string, error) {
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pd, err := packages_model.GetPackageDescriptor(ctx, version)
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if err != nil {
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return "", err
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}
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metadata := pd.Metadata.(*rubygems_module.Metadata)
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dependencyRequirements := new(strings.Builder)
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for i, dep := range metadata.RuntimeDependencies {
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if i != 0 {
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dependencyRequirements.WriteString(",")
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}
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dependencyRequirements.WriteString(dep.Name)
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dependencyRequirements.WriteString(":")
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reqs := dep.Version
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writeRequirements(reqs, dependencyRequirements)
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}
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fullname := getFullFilename(pd.Package.Name, version.Version, metadata.Platform)
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file, err := packages_model.GetFileForVersionByName(ctx, version.ID, fullname, "")
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if err != nil {
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return "", err
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}
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blob, err := packages_model.GetBlobByID(ctx, file.BlobID)
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if err != nil {
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return "", err
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}
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additionalRequirements := new(strings.Builder)
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fmt.Fprintf(additionalRequirements, "checksum:%s", blob.HashSHA256)
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if len(metadata.RequiredRubyVersion) != 0 {
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additionalRequirements.WriteString(",ruby:")
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writeRequirements(metadata.RequiredRubyVersion, additionalRequirements)
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}
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if len(metadata.RequiredRubygemsVersion) != 0 {
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additionalRequirements.WriteString(",rubygems:")
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writeRequirements(metadata.RequiredRubygemsVersion, additionalRequirements)
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}
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return fmt.Sprintf("%s %s|%s", version.Version, dependencyRequirements, additionalRequirements), nil
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}
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func buildInfoFileForPackage(ctx *context.Context, versions []*packages_model.PackageVersion) (*string, error) {
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result := "---\n"
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for _, v := range versions {
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str, err := buildRequirementStringFromVersion(ctx, v)
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if err != nil {
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return nil, err
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}
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result += str
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result += "\n"
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}
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return &result, nil
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}
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func getFullFilename(gemName, version, platform string) string {
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return strings.ToLower(getFullName(gemName, version, platform)) + ".gem"
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}
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func getFullName(gemName, version, platform string) string {
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if platform == "" || platform == "ruby" {
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return fmt.Sprintf("%s-%s", gemName, version)
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}
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return fmt.Sprintf("%s-%s-%s", gemName, version, platform)
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}
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func getVersionsByFilename(ctx *context.Context, filename string) ([]*packages_model.PackageVersion, error) {
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pvs, _, err := packages_model.SearchVersions(ctx, &packages_model.PackageSearchOptions{
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OwnerID: ctx.Package.Owner.ID,
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Type: packages_model.TypeRubyGems,
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HasFileWithName: filename,
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IsInternal: optional.Some(false),
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})
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return pvs, err
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}
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