Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

1 files changed, 710 insertions, 0 deletions

diff --git a/routers/api/packages/nuget/nuget.go b/routers/api/packages/nuget/nuget.go
new file mode 100644
index 0000000..0d7212d
--- /dev/null
+++ b/routers/api/packages/nuget/nuget.go
@@ -0,0 +1,710 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package nuget
+
+import (
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	packages_model "code.gitea.io/gitea/models/packages"
+	nuget_model "code.gitea.io/gitea/models/packages/nuget"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/optional"
+	packages_module "code.gitea.io/gitea/modules/packages"
+	nuget_module "code.gitea.io/gitea/modules/packages/nuget"
+	"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"
+)
+
+func apiError(ctx *context.Context, status int, obj any) {
+	helper.LogAndProcessError(ctx, status, obj, func(message string) {
+		ctx.JSON(status, map[string]string{
+			"Message": message,
+		})
+	})
+}
+
+func xmlResponse(ctx *context.Context, status int, obj any) { //nolint:unparam
+	ctx.Resp.Header().Set("Content-Type", "application/atom+xml; charset=utf-8")
+	ctx.Resp.WriteHeader(status)
+	if _, err := ctx.Resp.Write([]byte(xml.Header)); err != nil {
+		log.Error("Write failed: %v", err)
+	}
+	if err := xml.NewEncoder(ctx.Resp).Encode(obj); err != nil {
+		log.Error("XML encode failed: %v", err)
+	}
+}
+
+// https://github.com/NuGet/NuGet.Client/blob/dev/src/NuGet.Core/NuGet.Protocol/LegacyFeed/V2FeedQueryBuilder.cs
+func ServiceIndexV2(ctx *context.Context) {
+	base := setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"
+
+	xmlResponse(ctx, http.StatusOK, &ServiceIndexResponseV2{
+		Base:      base,
+		Xmlns:     "http://www.w3.org/2007/app",
+		XmlnsAtom: "http://www.w3.org/2005/Atom",
+		Workspace: ServiceWorkspace{
+			Title: AtomTitle{
+				Type: "text",
+				Text: "Default",
+			},
+			Collection: ServiceCollection{
+				Href: "Packages",
+				Title: AtomTitle{
+					Type: "text",
+					Text: "Packages",
+				},
+			},
+		},
+	})
+}
+
+// https://docs.microsoft.com/en-us/nuget/api/service-index
+func ServiceIndexV3(ctx *context.Context) {
+	root := setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"
+
+	ctx.JSON(http.StatusOK, &ServiceIndexResponseV3{
+		Version: "3.0.0",
+		Resources: []ServiceResource{
+			{ID: root + "/query", Type: "SearchQueryService"},
+			{ID: root + "/query", Type: "SearchQueryService/3.0.0-beta"},
+			{ID: root + "/query", Type: "SearchQueryService/3.0.0-rc"},
+			{ID: root + "/registration", Type: "RegistrationsBaseUrl"},
+			{ID: root + "/registration", Type: "RegistrationsBaseUrl/3.0.0-beta"},
+			{ID: root + "/registration", Type: "RegistrationsBaseUrl/3.0.0-rc"},
+			{ID: root + "/package", Type: "PackageBaseAddress/3.0.0"},
+			{ID: root, Type: "PackagePublish/2.0.0"},
+			{ID: root + "/symbolpackage", Type: "SymbolPackagePublish/4.9.0"},
+		},
+	})
+}
+
+// https://github.com/NuGet/NuGet.Client/blob/dev/src/NuGet.Core/NuGet.Protocol/LegacyFeed/LegacyFeedCapabilityResourceV2Feed.cs
+func FeedCapabilityResource(ctx *context.Context) {
+	xmlResponse(ctx, http.StatusOK, Metadata)
+}
+
+var (
+	searchTermExtract = regexp.MustCompile(`'([^']+)'`)
+	searchTermExact   = regexp.MustCompile(`\s+eq\s+'`)
+)
+
+func getSearchTerm(ctx *context.Context) packages_model.SearchValue {
+	searchTerm := strings.Trim(ctx.FormTrim("searchTerm"), "'")
+	if searchTerm != "" {
+		return packages_model.SearchValue{
+			Value:      searchTerm,
+			ExactMatch: false,
+		}
+	}
+
+	// $filter contains a query like:
+	// (((Id ne null) and substringof('microsoft',tolower(Id)))
+	// https://www.odata.org/documentation/odata-version-2-0/uri-conventions/ section 4.5
+	// We don't support these queries, just extract the search term.
+	filter := ctx.FormTrim("$filter")
+	match := searchTermExtract.FindStringSubmatch(filter)
+	if len(match) == 2 {
+		return packages_model.SearchValue{
+			Value:      strings.TrimSpace(match[1]),
+			ExactMatch: searchTermExact.MatchString(filter),
+		}
+	}
+
+	return packages_model.SearchValue{}
+}
+
+// https://github.com/NuGet/NuGet.Client/blob/dev/src/NuGet.Core/NuGet.Protocol/LegacyFeed/V2FeedQueryBuilder.cs
+func SearchServiceV2(ctx *context.Context) {
+	skip, take := ctx.FormInt("$skip"), ctx.FormInt("$top")
+	paginator := db.NewAbsoluteListOptions(skip, take)
+
+	pvs, total, err := packages_model.SearchLatestVersions(ctx, &packages_model.PackageSearchOptions{
+		OwnerID:    ctx.Package.Owner.ID,
+		Type:       packages_model.TypeNuGet,
+		Name:       getSearchTerm(ctx),
+		IsInternal: optional.Some(false),
+		Paginator:  paginator,
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	skip, take = paginator.GetSkipTake()
+
+	var next *nextOptions
+	if len(pvs) == take {
+		next = &nextOptions{
+			Path:  "Search()",
+			Query: url.Values{},
+		}
+		searchTerm := ctx.FormTrim("searchTerm")
+		if searchTerm != "" {
+			next.Query.Set("searchTerm", searchTerm)
+		}
+		filter := ctx.FormTrim("$filter")
+		if filter != "" {
+			next.Query.Set("$filter", filter)
+		}
+		next.Query.Set("$skip", strconv.Itoa(skip+take))
+		next.Query.Set("$top", strconv.Itoa(take))
+	}
+
+	resp := createFeedResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget", Next: next},
+		total,
+		pds,
+	)
+
+	xmlResponse(ctx, http.StatusOK, resp)
+}
+
+// http://docs.oasis-open.org/odata/odata/v4.0/errata03/os/complete/part2-url-conventions/odata-v4.0-errata03-os-part2-url-conventions-complete.html#_Toc453752351
+func SearchServiceV2Count(ctx *context.Context) {
+	count, err := nuget_model.CountPackages(ctx, &packages_model.PackageSearchOptions{
+		OwnerID:    ctx.Package.Owner.ID,
+		Name:       getSearchTerm(ctx),
+		IsInternal: optional.Some(false),
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	ctx.PlainText(http.StatusOK, strconv.FormatInt(count, 10))
+}
+
+// https://docs.microsoft.com/en-us/nuget/api/search-query-service-resource#search-for-packages
+func SearchServiceV3(ctx *context.Context) {
+	pvs, count, err := nuget_model.SearchVersions(ctx, &packages_model.PackageSearchOptions{
+		OwnerID:    ctx.Package.Owner.ID,
+		Name:       packages_model.SearchValue{Value: ctx.FormTrim("q")},
+		IsInternal: optional.Some(false),
+		Paginator: db.NewAbsoluteListOptions(
+			ctx.FormInt("skip"),
+			ctx.FormInt("take"),
+		),
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	resp := createSearchResultResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"},
+		count,
+		pds,
+	)
+
+	ctx.JSON(http.StatusOK, resp)
+}
+
+// https://docs.microsoft.com/en-us/nuget/api/registration-base-url-resource#registration-index
+func RegistrationIndex(ctx *context.Context) {
+	packageName := ctx.Params("id")
+
+	pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypeNuGet, packageName)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	if len(pvs) == 0 {
+		apiError(ctx, http.StatusNotFound, err)
+		return
+	}
+
+	pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	resp := createRegistrationIndexResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"},
+		pds,
+	)
+
+	ctx.JSON(http.StatusOK, resp)
+}
+
+// https://github.com/NuGet/NuGet.Client/blob/dev/src/NuGet.Core/NuGet.Protocol/LegacyFeed/V2FeedQueryBuilder.cs
+func RegistrationLeafV2(ctx *context.Context) {
+	packageName := ctx.Params("id")
+	packageVersion := ctx.Params("version")
+
+	pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeNuGet, packageName, packageVersion)
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pd, err := packages_model.GetPackageDescriptor(ctx, pv)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	resp := createEntryResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"},
+		pd,
+	)
+
+	xmlResponse(ctx, http.StatusOK, resp)
+}
+
+// https://docs.microsoft.com/en-us/nuget/api/registration-base-url-resource#registration-leaf
+func RegistrationLeafV3(ctx *context.Context) {
+	packageName := ctx.Params("id")
+	packageVersion := strings.TrimSuffix(ctx.Params("version"), ".json")
+
+	pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.TypeNuGet, packageName, packageVersion)
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pd, err := packages_model.GetPackageDescriptor(ctx, pv)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	resp := createRegistrationLeafResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget"},
+		pd,
+	)
+
+	ctx.JSON(http.StatusOK, resp)
+}
+
+// https://github.com/NuGet/NuGet.Client/blob/dev/src/NuGet.Core/NuGet.Protocol/LegacyFeed/V2FeedQueryBuilder.cs
+func EnumeratePackageVersionsV2(ctx *context.Context) {
+	packageName := strings.Trim(ctx.FormTrim("id"), "'")
+
+	skip, take := ctx.FormInt("$skip"), ctx.FormInt("$top")
+	paginator := db.NewAbsoluteListOptions(skip, take)
+
+	pvs, total, err := packages_model.SearchVersions(ctx, &packages_model.PackageSearchOptions{
+		OwnerID: ctx.Package.Owner.ID,
+		Type:    packages_model.TypeNuGet,
+		Name: packages_model.SearchValue{
+			ExactMatch: true,
+			Value:      packageName,
+		},
+		IsInternal: optional.Some(false),
+		Paginator:  paginator,
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pds, err := packages_model.GetPackageDescriptors(ctx, pvs)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	skip, take = paginator.GetSkipTake()
+
+	var next *nextOptions
+	if len(pvs) == take {
+		next = &nextOptions{
+			Path:  "FindPackagesById()",
+			Query: url.Values{},
+		}
+		next.Query.Set("id", packageName)
+		next.Query.Set("$skip", strconv.Itoa(skip+take))
+		next.Query.Set("$top", strconv.Itoa(take))
+	}
+
+	resp := createFeedResponse(
+		&linkBuilder{Base: setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/nuget", Next: next},
+		total,
+		pds,
+	)
+
+	xmlResponse(ctx, http.StatusOK, resp)
+}
+
+// http://docs.oasis-open.org/odata/odata/v4.0/errata03/os/complete/part2-url-conventions/odata-v4.0-errata03-os-part2-url-conventions-complete.html#_Toc453752351
+func EnumeratePackageVersionsV2Count(ctx *context.Context) {
+	count, err := packages_model.CountVersions(ctx, &packages_model.PackageSearchOptions{
+		OwnerID: ctx.Package.Owner.ID,
+		Type:    packages_model.TypeNuGet,
+		Name: packages_model.SearchValue{
+			ExactMatch: true,
+			Value:      strings.Trim(ctx.FormTrim("id"), "'"),
+		},
+		IsInternal: optional.Some(false),
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	ctx.PlainText(http.StatusOK, strconv.FormatInt(count, 10))
+}
+
+// https://docs.microsoft.com/en-us/nuget/api/package-base-address-resource#enumerate-package-versions
+func EnumeratePackageVersionsV3(ctx *context.Context) {
+	packageName := ctx.Params("id")
+
+	pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypeNuGet, packageName)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	if len(pvs) == 0 {
+		apiError(ctx, http.StatusNotFound, err)
+		return
+	}
+
+	resp := createPackageVersionsResponse(pvs)
+
+	ctx.JSON(http.StatusOK, resp)
+}
+
+// https://learn.microsoft.com/en-us/nuget/api/package-base-address-resource#download-package-manifest-nuspec
+// https://learn.microsoft.com/en-us/nuget/api/package-base-address-resource#download-package-content-nupkg
+func DownloadPackageFile(ctx *context.Context) {
+	packageName := ctx.Params("id")
+	packageVersion := ctx.Params("version")
+	filename := ctx.Params("filename")
+
+	s, u, pf, err := packages_service.GetFileStreamByPackageNameAndVersion(
+		ctx,
+		&packages_service.PackageInfo{
+			Owner:       ctx.Package.Owner,
+			PackageType: packages_model.TypeNuGet,
+			Name:        packageName,
+			Version:     packageVersion,
+		},
+		&packages_service.PackageFileInfo{
+			Filename: filename,
+		},
+	)
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist || err == packages_model.ErrPackageFileNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	helper.ServePackageFile(ctx, s, u, pf)
+}
+
+// UploadPackage creates a new package with the metadata contained in the uploaded nupgk file
+// https://docs.microsoft.com/en-us/nuget/api/package-publish-resource#push-a-package
+func UploadPackage(ctx *context.Context) {
+	np, buf, closables := processUploadedFile(ctx, nuget_module.DependencyPackage)
+	defer func() {
+		for _, c := range closables {
+			c.Close()
+		}
+	}()
+	if np == nil {
+		return
+	}
+
+	pv, _, err := packages_service.CreatePackageAndAddFile(
+		ctx,
+		&packages_service.PackageCreationInfo{
+			PackageInfo: packages_service.PackageInfo{
+				Owner:       ctx.Package.Owner,
+				PackageType: packages_model.TypeNuGet,
+				Name:        np.ID,
+				Version:     np.Version,
+			},
+			SemverCompatible: true,
+			Creator:          ctx.Doer,
+			Metadata:         np.Metadata,
+		},
+		&packages_service.PackageFileCreationInfo{
+			PackageFileInfo: packages_service.PackageFileInfo{
+				Filename: strings.ToLower(fmt.Sprintf("%s.%s.nupkg", np.ID, np.Version)),
+			},
+			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
+	}
+
+	nuspecBuf, err := packages_module.CreateHashedBufferFromReaderWithSize(np.NuspecContent, np.NuspecContent.Len())
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	defer nuspecBuf.Close()
+
+	_, err = packages_service.AddFileToPackageVersionInternal(
+		ctx,
+		pv,
+		&packages_service.PackageFileCreationInfo{
+			PackageFileInfo: packages_service.PackageFileInfo{
+				Filename: strings.ToLower(fmt.Sprintf("%s.nuspec", np.ID)),
+			},
+			Data: nuspecBuf,
+		},
+	)
+	if err != nil {
+		switch err {
+		case packages_service.ErrQuotaTotalCount, packages_service.ErrQuotaTypeSize, packages_service.ErrQuotaTotalSize:
+			apiError(ctx, http.StatusForbidden, err)
+		default:
+			apiError(ctx, http.StatusInternalServerError, err)
+		}
+		return
+	}
+
+	ctx.Status(http.StatusCreated)
+}
+
+// UploadSymbolPackage adds a symbol package to an existing package
+// https://docs.microsoft.com/en-us/nuget/api/symbol-package-publish-resource
+func UploadSymbolPackage(ctx *context.Context) {
+	np, buf, closables := processUploadedFile(ctx, nuget_module.SymbolsPackage)
+	defer func() {
+		for _, c := range closables {
+			c.Close()
+		}
+	}()
+	if np == nil {
+		return
+	}
+
+	pdbs, err := nuget_module.ExtractPortablePdb(buf, buf.Size())
+	if err != nil {
+		if errors.Is(err, util.ErrInvalidArgument) {
+			apiError(ctx, http.StatusBadRequest, err)
+		} else {
+			apiError(ctx, http.StatusInternalServerError, err)
+		}
+		return
+	}
+	defer pdbs.Close()
+
+	if _, err := buf.Seek(0, io.SeekStart); err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	pi := &packages_service.PackageInfo{
+		Owner:       ctx.Package.Owner,
+		PackageType: packages_model.TypeNuGet,
+		Name:        np.ID,
+		Version:     np.Version,
+	}
+
+	_, err = packages_service.AddFileToExistingPackage(
+		ctx,
+		pi,
+		&packages_service.PackageFileCreationInfo{
+			PackageFileInfo: packages_service.PackageFileInfo{
+				Filename: strings.ToLower(fmt.Sprintf("%s.%s.snupkg", np.ID, np.Version)),
+			},
+			Creator: ctx.Doer,
+			Data:    buf,
+			IsLead:  false,
+		},
+	)
+	if err != nil {
+		switch err {
+		case packages_model.ErrPackageNotExist:
+			apiError(ctx, http.StatusNotFound, err)
+		case packages_model.ErrDuplicatePackageFile:
+			apiError(ctx, http.StatusConflict, err)
+		case packages_service.ErrQuotaTypeSize, packages_service.ErrQuotaTotalSize:
+			apiError(ctx, http.StatusForbidden, err)
+		default:
+			apiError(ctx, http.StatusInternalServerError, err)
+		}
+		return
+	}
+
+	for _, pdb := range pdbs {
+		_, err := packages_service.AddFileToExistingPackage(
+			ctx,
+			pi,
+			&packages_service.PackageFileCreationInfo{
+				PackageFileInfo: packages_service.PackageFileInfo{
+					Filename:     strings.ToLower(pdb.Name),
+					CompositeKey: strings.ToLower(pdb.ID),
+				},
+				Creator: ctx.Doer,
+				Data:    pdb.Content,
+				IsLead:  false,
+				Properties: map[string]string{
+					nuget_module.PropertySymbolID: strings.ToLower(pdb.ID),
+				},
+			},
+		)
+		if err != nil {
+			switch err {
+			case packages_model.ErrDuplicatePackageFile:
+				apiError(ctx, http.StatusConflict, err)
+			case packages_service.ErrQuotaTypeSize, packages_service.ErrQuotaTotalSize:
+				apiError(ctx, http.StatusForbidden, err)
+			default:
+				apiError(ctx, http.StatusInternalServerError, err)
+			}
+			return
+		}
+	}
+
+	ctx.Status(http.StatusCreated)
+}
+
+func processUploadedFile(ctx *context.Context, expectedType nuget_module.PackageType) (*nuget_module.Package, *packages_module.HashedBuffer, []io.Closer) {
+	closables := make([]io.Closer, 0, 2)
+
+	upload, needToClose, err := ctx.UploadStream()
+	if err != nil {
+		apiError(ctx, http.StatusBadRequest, err)
+		return nil, nil, closables
+	}
+
+	if needToClose {
+		closables = append(closables, upload)
+	}
+
+	buf, err := packages_module.CreateHashedBufferFromReader(upload)
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return nil, nil, closables
+	}
+	closables = append(closables, buf)
+
+	np, err := nuget_module.ParsePackageMetaData(buf, buf.Size())
+	if err != nil {
+		if errors.Is(err, util.ErrInvalidArgument) {
+			apiError(ctx, http.StatusBadRequest, err)
+		} else {
+			apiError(ctx, http.StatusInternalServerError, err)
+		}
+		return nil, nil, closables
+	}
+	if np.PackageType != expectedType {
+		apiError(ctx, http.StatusBadRequest, errors.New("unexpected package type"))
+		return nil, nil, closables
+	}
+	if _, err := buf.Seek(0, io.SeekStart); err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return nil, nil, closables
+	}
+	return np, buf, closables
+}
+
+// https://github.com/dotnet/symstore/blob/main/docs/specs/Simple_Symbol_Query_Protocol.md#request
+func DownloadSymbolFile(ctx *context.Context) {
+	filename := ctx.Params("filename")
+	guid := ctx.Params("guid")[:32]
+	filename2 := ctx.Params("filename2")
+
+	if filename != filename2 {
+		apiError(ctx, http.StatusBadRequest, nil)
+		return
+	}
+
+	pfs, _, err := packages_model.SearchFiles(ctx, &packages_model.PackageFileSearchOptions{
+		OwnerID:     ctx.Package.Owner.ID,
+		PackageType: packages_model.TypeNuGet,
+		Query:       filename,
+		Properties: map[string]string{
+			nuget_module.PropertySymbolID: strings.ToLower(guid),
+		},
+	})
+	if err != nil {
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+	if len(pfs) != 1 {
+		apiError(ctx, http.StatusNotFound, nil)
+		return
+	}
+
+	s, u, pf, err := packages_service.GetPackageFileStream(ctx, pfs[0])
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist || err == packages_model.ErrPackageFileNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+		return
+	}
+
+	helper.ServePackageFile(ctx, s, u, pf)
+}
+
+// DeletePackage hard deletes the package
+// https://docs.microsoft.com/en-us/nuget/api/package-publish-resource#delete-a-package
+func DeletePackage(ctx *context.Context) {
+	packageName := ctx.Params("id")
+	packageVersion := ctx.Params("version")
+
+	err := packages_service.RemovePackageVersionByNameAndVersion(
+		ctx,
+		ctx.Doer,
+		&packages_service.PackageInfo{
+			Owner:       ctx.Package.Owner,
+			PackageType: packages_model.TypeNuGet,
+			Name:        packageName,
+			Version:     packageVersion,
+		},
+	)
+	if err != nil {
+		if err == packages_model.ErrPackageNotExist {
+			apiError(ctx, http.StatusNotFound, err)
+			return
+		}
+		apiError(ctx, http.StatusInternalServerError, err)
+	}
+
+	ctx.Status(http.StatusNoContent)
+}