forked from NYANDEV/forgejo
Add Cargo package registry (#21888)
This PR implements a [Cargo registry](https://doc.rust-lang.org/cargo/) to manage Rust packages. This package type was a little bit more complicated because Cargo needs an additional Git repository to store its package index. Screenshots:    --------- Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
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35 changed files with 1660 additions and 125 deletions
169
modules/packages/cargo/parser.go
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169
modules/packages/cargo/parser.go
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cargo
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import (
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"encoding/binary"
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"errors"
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"io"
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"regexp"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/validation"
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"github.com/hashicorp/go-version"
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)
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const PropertyYanked = "cargo.yanked"
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var (
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ErrInvalidName = errors.New("package name is invalid")
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ErrInvalidVersion = errors.New("package version is invalid")
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)
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// Package represents a Cargo package
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type Package struct {
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Name string
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Version string
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Metadata *Metadata
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Content io.Reader
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ContentSize int64
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}
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// Metadata represents the metadata of a Cargo package
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type Metadata struct {
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Dependencies []*Dependency `json:"dependencies,omitempty"`
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Features map[string][]string `json:"features,omitempty"`
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Authors []string `json:"authors,omitempty"`
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Description string `json:"description,omitempty"`
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DocumentationURL string `json:"documentation_url,omitempty"`
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ProjectURL string `json:"project_url,omitempty"`
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Readme string `json:"readme,omitempty"`
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Keywords []string `json:"keywords,omitempty"`
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Categories []string `json:"categories,omitempty"`
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License string `json:"license,omitempty"`
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RepositoryURL string `json:"repository_url,omitempty"`
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Links string `json:"links,omitempty"`
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}
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type Dependency struct {
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Name string `json:"name"`
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Req string `json:"req"`
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Features []string `json:"features"`
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Optional bool `json:"optional"`
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DefaultFeatures bool `json:"default_features"`
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Target *string `json:"target"`
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Kind string `json:"kind"`
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Registry *string `json:"registry"`
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Package *string `json:"package"`
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}
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var nameMatch = regexp.MustCompile(`\A[a-zA-Z][a-zA-Z0-9-_]{0,63}\z`)
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// ParsePackage reads the metadata and content of a package
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func ParsePackage(r io.Reader) (*Package, error) {
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var size uint32
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if err := binary.Read(r, binary.LittleEndian, &size); err != nil {
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return nil, err
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}
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p, err := parsePackage(io.LimitReader(r, int64(size)))
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if err != nil {
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return nil, err
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}
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if err := binary.Read(r, binary.LittleEndian, &size); err != nil {
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return nil, err
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}
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p.Content = io.LimitReader(r, int64(size))
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p.ContentSize = int64(size)
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return p, nil
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}
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func parsePackage(r io.Reader) (*Package, error) {
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var meta struct {
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Name string `json:"name"`
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Vers string `json:"vers"`
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Deps []struct {
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Name string `json:"name"`
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VersionReq string `json:"version_req"`
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Features []string `json:"features"`
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Optional bool `json:"optional"`
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DefaultFeatures bool `json:"default_features"`
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Target *string `json:"target"`
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Kind string `json:"kind"`
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Registry *string `json:"registry"`
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ExplicitNameInToml string `json:"explicit_name_in_toml"`
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} `json:"deps"`
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Features map[string][]string `json:"features"`
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Authors []string `json:"authors"`
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Description string `json:"description"`
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Documentation string `json:"documentation"`
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Homepage string `json:"homepage"`
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Readme string `json:"readme"`
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ReadmeFile string `json:"readme_file"`
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Keywords []string `json:"keywords"`
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Categories []string `json:"categories"`
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License string `json:"license"`
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LicenseFile string `json:"license_file"`
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Repository string `json:"repository"`
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Links string `json:"links"`
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}
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if err := json.NewDecoder(r).Decode(&meta); err != nil {
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return nil, err
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}
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if !nameMatch.MatchString(meta.Name) {
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return nil, ErrInvalidName
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}
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if _, err := version.NewSemver(meta.Vers); err != nil {
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return nil, ErrInvalidVersion
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}
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if !validation.IsValidURL(meta.Homepage) {
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meta.Homepage = ""
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}
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if !validation.IsValidURL(meta.Documentation) {
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meta.Documentation = ""
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}
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if !validation.IsValidURL(meta.Repository) {
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meta.Repository = ""
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}
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dependencies := make([]*Dependency, 0, len(meta.Deps))
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for _, dep := range meta.Deps {
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dependencies = append(dependencies, &Dependency{
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Name: dep.Name,
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Req: dep.VersionReq,
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Features: dep.Features,
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Optional: dep.Optional,
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DefaultFeatures: dep.DefaultFeatures,
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Target: dep.Target,
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Kind: dep.Kind,
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Registry: dep.Registry,
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})
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}
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return &Package{
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Name: meta.Name,
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Version: meta.Vers,
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Metadata: &Metadata{
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Dependencies: dependencies,
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Features: meta.Features,
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Authors: meta.Authors,
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Description: meta.Description,
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DocumentationURL: meta.Documentation,
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ProjectURL: meta.Homepage,
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Readme: meta.Readme,
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Keywords: meta.Keywords,
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Categories: meta.Categories,
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License: meta.License,
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RepositoryURL: meta.Repository,
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Links: meta.Links,
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},
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}, nil
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}
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