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Co-authored-by: @awkwardbunny This PR adds a Debian package registry. You can follow [this tutorial](https://www.baeldung.com/linux/create-debian-package) to build a *.deb package for testing. Source packages are not supported at the moment and I did not find documentation of the architecture "all" and how these packages should be treated. ![grafik](https://user-images.githubusercontent.com/1666336/218126879-eb80a866-775c-4c8e-8529-5797203a64e6.png) Part of #20751. Revised copy of #22854. --------- Co-authored-by: Brian Hong <brian@hongs.me> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Giteabot <teabot@gitea.io>
187 lines
3.9 KiB
Go
187 lines
3.9 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package nuget
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import (
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"archive/zip"
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"bytes"
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"encoding/binary"
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"fmt"
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"io"
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"path"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/modules/packages"
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"code.gitea.io/gitea/modules/util"
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)
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var (
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ErrMissingPdbFiles = util.NewInvalidArgumentErrorf("package does not contain PDB files")
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ErrInvalidFiles = util.NewInvalidArgumentErrorf("package contains invalid files")
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ErrInvalidPdbMagicNumber = util.NewInvalidArgumentErrorf("invalid Portable PDB magic number")
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ErrMissingPdbStream = util.NewInvalidArgumentErrorf("missing PDB stream")
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)
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type PortablePdb struct {
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Name string
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ID string
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Content *packages.HashedBuffer
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}
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type PortablePdbList []*PortablePdb
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func (l PortablePdbList) Close() {
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for _, pdb := range l {
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pdb.Content.Close()
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}
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}
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// ExtractPortablePdb extracts PDB files from a .snupkg file
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func ExtractPortablePdb(r io.ReaderAt, size int64) (PortablePdbList, error) {
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archive, err := zip.NewReader(r, size)
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if err != nil {
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return nil, err
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}
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var pdbs PortablePdbList
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err = func() error {
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for _, file := range archive.File {
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if strings.HasSuffix(file.Name, "/") {
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continue
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}
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ext := strings.ToLower(filepath.Ext(file.Name))
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switch ext {
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case ".nuspec", ".xml", ".psmdcp", ".rels", ".p7s":
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continue
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case ".pdb":
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f, err := archive.Open(file.Name)
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if err != nil {
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return err
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}
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buf, err := packages.CreateHashedBufferFromReader(f)
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f.Close()
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if err != nil {
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return err
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}
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id, err := ParseDebugHeaderID(buf)
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if err != nil {
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buf.Close()
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return fmt.Errorf("Invalid PDB file: %w", err)
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}
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if _, err := buf.Seek(0, io.SeekStart); err != nil {
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buf.Close()
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return err
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}
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pdbs = append(pdbs, &PortablePdb{
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Name: path.Base(file.Name),
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ID: id,
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Content: buf,
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})
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default:
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return ErrInvalidFiles
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}
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}
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return nil
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}()
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if err != nil {
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pdbs.Close()
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return nil, err
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}
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if len(pdbs) == 0 {
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return nil, ErrMissingPdbFiles
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}
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return pdbs, nil
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}
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// ParseDebugHeaderID TODO
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func ParseDebugHeaderID(r io.ReadSeeker) (string, error) {
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var magic uint32
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if err := binary.Read(r, binary.LittleEndian, &magic); err != nil {
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return "", err
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}
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if magic != 0x424A5342 {
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return "", ErrInvalidPdbMagicNumber
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}
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if _, err := r.Seek(8, io.SeekCurrent); err != nil {
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return "", err
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}
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var versionStringSize int32
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if err := binary.Read(r, binary.LittleEndian, &versionStringSize); err != nil {
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return "", err
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}
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if _, err := r.Seek(int64(versionStringSize), io.SeekCurrent); err != nil {
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return "", err
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}
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if _, err := r.Seek(2, io.SeekCurrent); err != nil {
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return "", err
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}
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var streamCount int16
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if err := binary.Read(r, binary.LittleEndian, &streamCount); err != nil {
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return "", err
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}
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read4ByteAlignedString := func(r io.Reader) (string, error) {
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b := make([]byte, 4)
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var buf bytes.Buffer
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for {
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if _, err := r.Read(b); err != nil {
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return "", err
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}
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if i := bytes.IndexByte(b, 0); i != -1 {
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buf.Write(b[:i])
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return buf.String(), nil
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}
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buf.Write(b)
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}
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}
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for i := 0; i < int(streamCount); i++ {
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var offset uint32
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if err := binary.Read(r, binary.LittleEndian, &offset); err != nil {
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return "", err
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}
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if _, err := r.Seek(4, io.SeekCurrent); err != nil {
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return "", err
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}
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name, err := read4ByteAlignedString(r)
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if err != nil {
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return "", err
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}
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if name == "#Pdb" {
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if _, err := r.Seek(int64(offset), io.SeekStart); err != nil {
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return "", err
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}
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b := make([]byte, 16)
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if _, err := r.Read(b); err != nil {
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return "", err
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}
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data1 := binary.LittleEndian.Uint32(b[0:4])
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data2 := binary.LittleEndian.Uint16(b[4:6])
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data3 := binary.LittleEndian.Uint16(b[6:8])
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data4 := b[8:16]
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return fmt.Sprintf("%08x%04x%04x%04x%012x", data1, data2, data3, data4[:2], data4[2:]), nil
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}
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}
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return "", ErrMissingPdbStream
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}
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