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Diffstat (limited to '')
| -rw-r--r-- | routers/api/packages/pypi/pypi.go | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/routers/api/packages/pypi/pypi.go b/routers/api/packages/pypi/pypi.go new file mode 100644 index 0000000..7824db1 --- /dev/null +++ b/routers/api/packages/pypi/pypi.go @@ -0,0 +1,194 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package pypi + +import ( + "encoding/hex" + "io" + "net/http" + "regexp" + "sort" + "strings" + + packages_model "code.gitea.io/gitea/models/packages" + packages_module "code.gitea.io/gitea/modules/packages" + pypi_module "code.gitea.io/gitea/modules/packages/pypi" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/validation" + "code.gitea.io/gitea/routers/api/packages/helper" + "code.gitea.io/gitea/services/context" + packages_service "code.gitea.io/gitea/services/packages" +) + +// https://peps.python.org/pep-0426/#name +var ( + normalizer = strings.NewReplacer(".", "-", "_", "-") + nameMatcher = regexp.MustCompile(`\A(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\.\-_]*[a-zA-Z0-9])\z`) +) + +// https://peps.python.org/pep-0440/#appendix-b-parsing-version-strings-with-regular-expressions +var versionMatcher = regexp.MustCompile(`\Av?` + + `(?:[0-9]+!)?` + // epoch + `[0-9]+(?:\.[0-9]+)*` + // release segment + `(?:[-_\.]?(?:a|b|c|rc|alpha|beta|pre|preview)[-_\.]?[0-9]*)?` + // pre-release + `(?:-[0-9]+|[-_\.]?(?:post|rev|r)[-_\.]?[0-9]*)?` + // post release + `(?:[-_\.]?dev[-_\.]?[0-9]*)?` + // dev release + `(?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)?` + // local version + `\z`) + +func apiError(ctx *context.Context, status int, obj any) { + helper.LogAndProcessError(ctx, status, obj, func(message string) { + ctx.PlainText(status, message) + }) +} + +// PackageMetadata returns the metadata for a single package +func PackageMetadata(ctx *context.Context) { + packageName := normalizer.Replace(ctx.Params("id")) + + pvs, err := packages_model.GetVersionsByPackageName(ctx, ctx.Package.Owner.ID, packages_model.TypePyPI, 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 + } + + // sort package descriptors by version to mimic PyPI format + sort.Slice(pds, func(i, j int) bool { + return strings.Compare(pds[i].Version.Version, pds[j].Version.Version) < 0 + }) + + ctx.Data["RegistryURL"] = setting.AppURL + "api/packages/" + ctx.Package.Owner.Name + "/pypi" + ctx.Data["PackageDescriptor"] = pds[0] + ctx.Data["PackageDescriptors"] = pds + ctx.HTML(http.StatusOK, "api/packages/pypi/simple") +} + +// DownloadPackageFile serves the content of a package +func DownloadPackageFile(ctx *context.Context) { + packageName := normalizer.Replace(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.TypePyPI, + 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) +} + +// UploadPackageFile adds a file to the package. If the package does not exist, it gets created. +func UploadPackageFile(ctx *context.Context) { + file, fileHeader, err := ctx.Req.FormFile("content") + 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() + + _, _, hashSHA256, _ := buf.Sums() + + if !strings.EqualFold(ctx.Req.FormValue("sha256_digest"), hex.EncodeToString(hashSHA256)) { + apiError(ctx, http.StatusBadRequest, "hash mismatch") + return + } + + if _, err := buf.Seek(0, io.SeekStart); err != nil { + apiError(ctx, http.StatusInternalServerError, err) + return + } + + packageName := normalizer.Replace(ctx.Req.FormValue("name")) + packageVersion := ctx.Req.FormValue("version") + if !isValidNameAndVersion(packageName, packageVersion) { + apiError(ctx, http.StatusBadRequest, "invalid name or version") + return + } + + projectURL := ctx.Req.FormValue("home_page") + if !validation.IsValidURL(projectURL) { + projectURL = "" + } + + _, _, err = packages_service.CreatePackageOrAddFileToExisting( + ctx, + &packages_service.PackageCreationInfo{ + PackageInfo: packages_service.PackageInfo{ + Owner: ctx.Package.Owner, + PackageType: packages_model.TypePyPI, + Name: packageName, + Version: packageVersion, + }, + SemverCompatible: false, + Creator: ctx.Doer, + Metadata: &pypi_module.Metadata{ + Author: ctx.Req.FormValue("author"), + Description: ctx.Req.FormValue("description"), + LongDescription: ctx.Req.FormValue("long_description"), + Summary: ctx.Req.FormValue("summary"), + ProjectURL: projectURL, + License: ctx.Req.FormValue("license"), + RequiresPython: ctx.Req.FormValue("requires_python"), + }, + }, + &packages_service.PackageFileCreationInfo{ + PackageFileInfo: packages_service.PackageFileInfo{ + Filename: fileHeader.Filename, + }, + Creator: ctx.Doer, + Data: buf, + IsLead: true, + }, + ) + if err != nil { + switch err { + case packages_model.ErrDuplicatePackageFile: + 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 + } + + ctx.Status(http.StatusCreated) +} + +func isValidNameAndVersion(packageName, packageVersion string) bool { + return nameMatcher.MatchString(packageName) && versionMatcher.MatchString(packageVersion) +} |