Adding upstream version 9.0.3.

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

1 files changed, 298 insertions, 0 deletions

diff --git a/modules/packages/rpm/metadata.go b/modules/packages/rpm/metadata.go
new file mode 100644
index 0000000..f4f78c2
--- /dev/null
+++ b/modules/packages/rpm/metadata.go
@@ -0,0 +1,298 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package rpm
+
+import (
+	"fmt"
+	"io"
+	"strings"
+
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/validation"
+
+	"github.com/sassoftware/go-rpmutils"
+)
+
+const (
+	PropertyMetadata     = "rpm.metadata"
+	PropertyGroup        = "rpm.group"
+	PropertyArchitecture = "rpm.architecture"
+
+	SettingKeyPrivate = "rpm.key.private"
+	SettingKeyPublic  = "rpm.key.public"
+
+	RepositoryPackage = "_rpm"
+	RepositoryVersion = "_repository"
+)
+
+const (
+	// Can't use the syscall constants because they are not available for windows build.
+	sIFMT  = 0xf000
+	sIFDIR = 0x4000
+	sIXUSR = 0x40
+	sIXGRP = 0x8
+	sIXOTH = 0x1
+)
+
+// https://rpm-software-management.github.io/rpm/manual/spec.html
+// https://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/pkgformat.html
+
+type Package struct {
+	Name            string
+	Version         string
+	VersionMetadata *VersionMetadata
+	FileMetadata    *FileMetadata
+}
+
+type VersionMetadata struct {
+	License     string `json:"license,omitempty"`
+	ProjectURL  string `json:"project_url,omitempty"`
+	Summary     string `json:"summary,omitempty"`
+	Description string `json:"description,omitempty"`
+}
+
+type FileMetadata struct {
+	Architecture  string `json:"architecture,omitempty"`
+	Epoch         string `json:"epoch,omitempty"`
+	Version       string `json:"version,omitempty"`
+	Release       string `json:"release,omitempty"`
+	Vendor        string `json:"vendor,omitempty"`
+	Group         string `json:"group,omitempty"`
+	Packager      string `json:"packager,omitempty"`
+	SourceRpm     string `json:"source_rpm,omitempty"`
+	BuildHost     string `json:"build_host,omitempty"`
+	BuildTime     uint64 `json:"build_time,omitempty"`
+	FileTime      uint64 `json:"file_time,omitempty"`
+	InstalledSize uint64 `json:"installed_size,omitempty"`
+	ArchiveSize   uint64 `json:"archive_size,omitempty"`
+
+	Provides  []*Entry `json:"provide,omitempty"`
+	Requires  []*Entry `json:"require,omitempty"`
+	Conflicts []*Entry `json:"conflict,omitempty"`
+	Obsoletes []*Entry `json:"obsolete,omitempty"`
+
+	Files []*File `json:"files,omitempty"`
+
+	Changelogs []*Changelog `json:"changelogs,omitempty"`
+}
+
+type Entry struct {
+	Name    string `json:"name" xml:"name,attr"`
+	Flags   string `json:"flags,omitempty" xml:"flags,attr,omitempty"`
+	Version string `json:"version,omitempty" xml:"ver,attr,omitempty"`
+	Epoch   string `json:"epoch,omitempty" xml:"epoch,attr,omitempty"`
+	Release string `json:"release,omitempty" xml:"rel,attr,omitempty"`
+}
+
+type File struct {
+	Path         string `json:"path" xml:",chardata"`
+	Type         string `json:"type,omitempty" xml:"type,attr,omitempty"`
+	IsExecutable bool   `json:"is_executable" xml:"-"`
+}
+
+type Changelog struct {
+	Author string             `json:"author,omitempty" xml:"author,attr"`
+	Date   timeutil.TimeStamp `json:"date,omitempty" xml:"date,attr"`
+	Text   string             `json:"text,omitempty" xml:",chardata"`
+}
+
+// ParsePackage parses the RPM package file
+func ParsePackage(r io.Reader) (*Package, error) {
+	rpm, err := rpmutils.ReadRpm(r)
+	if err != nil {
+		return nil, err
+	}
+
+	nevra, err := rpm.Header.GetNEVRA()
+	if err != nil {
+		return nil, err
+	}
+
+	version := fmt.Sprintf("%s-%s", nevra.Version, nevra.Release)
+	if nevra.Epoch != "" && nevra.Epoch != "0" {
+		version = fmt.Sprintf("%s-%s", nevra.Epoch, version)
+	}
+
+	p := &Package{
+		Name:    nevra.Name,
+		Version: version,
+		VersionMetadata: &VersionMetadata{
+			Summary:     getString(rpm.Header, rpmutils.SUMMARY),
+			Description: getString(rpm.Header, rpmutils.DESCRIPTION),
+			License:     getString(rpm.Header, rpmutils.LICENSE),
+			ProjectURL:  getString(rpm.Header, rpmutils.URL),
+		},
+		FileMetadata: &FileMetadata{
+			Architecture:  nevra.Arch,
+			Epoch:         nevra.Epoch,
+			Version:       nevra.Version,
+			Release:       nevra.Release,
+			Vendor:        getString(rpm.Header, rpmutils.VENDOR),
+			Group:         getString(rpm.Header, rpmutils.GROUP),
+			Packager:      getString(rpm.Header, rpmutils.PACKAGER),
+			SourceRpm:     getString(rpm.Header, rpmutils.SOURCERPM),
+			BuildHost:     getString(rpm.Header, rpmutils.BUILDHOST),
+			BuildTime:     getUInt64(rpm.Header, rpmutils.BUILDTIME),
+			FileTime:      getUInt64(rpm.Header, rpmutils.FILEMTIMES),
+			InstalledSize: getUInt64(rpm.Header, rpmutils.SIZE),
+			ArchiveSize:   getUInt64(rpm.Header, rpmutils.SIG_PAYLOADSIZE),
+
+			Provides:   getEntries(rpm.Header, rpmutils.PROVIDENAME, rpmutils.PROVIDEVERSION, rpmutils.PROVIDEFLAGS),
+			Requires:   getEntries(rpm.Header, rpmutils.REQUIRENAME, rpmutils.REQUIREVERSION, rpmutils.REQUIREFLAGS),
+			Conflicts:  getEntries(rpm.Header, rpmutils.CONFLICTNAME, rpmutils.CONFLICTVERSION, rpmutils.CONFLICTFLAGS),
+			Obsoletes:  getEntries(rpm.Header, rpmutils.OBSOLETENAME, rpmutils.OBSOLETEVERSION, rpmutils.OBSOLETEFLAGS),
+			Files:      getFiles(rpm.Header),
+			Changelogs: getChangelogs(rpm.Header),
+		},
+	}
+
+	if !validation.IsValidURL(p.VersionMetadata.ProjectURL) {
+		p.VersionMetadata.ProjectURL = ""
+	}
+
+	return p, nil
+}
+
+func getString(h *rpmutils.RpmHeader, tag int) string {
+	values, err := h.GetStrings(tag)
+	if err != nil || len(values) < 1 {
+		return ""
+	}
+	return values[0]
+}
+
+func getUInt64(h *rpmutils.RpmHeader, tag int) uint64 {
+	values, err := h.GetUint64s(tag)
+	if err != nil || len(values) < 1 {
+		return 0
+	}
+	return values[0]
+}
+
+func getEntries(h *rpmutils.RpmHeader, namesTag, versionsTag, flagsTag int) []*Entry {
+	names, err := h.GetStrings(namesTag)
+	if err != nil || len(names) == 0 {
+		return nil
+	}
+	flags, err := h.GetUint64s(flagsTag)
+	if err != nil || len(flags) == 0 {
+		return nil
+	}
+	versions, err := h.GetStrings(versionsTag)
+	if err != nil || len(versions) == 0 {
+		return nil
+	}
+	if len(names) != len(flags) || len(names) != len(versions) {
+		return nil
+	}
+
+	entries := make([]*Entry, 0, len(names))
+	for i := range names {
+		e := &Entry{
+			Name: names[i],
+		}
+
+		flags := flags[i]
+		if (flags&rpmutils.RPMSENSE_GREATER) != 0 && (flags&rpmutils.RPMSENSE_EQUAL) != 0 {
+			e.Flags = "GE"
+		} else if (flags&rpmutils.RPMSENSE_LESS) != 0 && (flags&rpmutils.RPMSENSE_EQUAL) != 0 {
+			e.Flags = "LE"
+		} else if (flags & rpmutils.RPMSENSE_GREATER) != 0 {
+			e.Flags = "GT"
+		} else if (flags & rpmutils.RPMSENSE_LESS) != 0 {
+			e.Flags = "LT"
+		} else if (flags & rpmutils.RPMSENSE_EQUAL) != 0 {
+			e.Flags = "EQ"
+		}
+
+		version := versions[i]
+		if version != "" {
+			parts := strings.Split(version, "-")
+
+			versionParts := strings.Split(parts[0], ":")
+			if len(versionParts) == 2 {
+				e.Version = versionParts[1]
+				e.Epoch = versionParts[0]
+			} else {
+				e.Version = versionParts[0]
+				e.Epoch = "0"
+			}
+
+			if len(parts) > 1 {
+				e.Release = parts[1]
+			}
+		}
+
+		entries = append(entries, e)
+	}
+	return entries
+}
+
+func getFiles(h *rpmutils.RpmHeader) []*File {
+	baseNames, _ := h.GetStrings(rpmutils.BASENAMES)
+	dirNames, _ := h.GetStrings(rpmutils.DIRNAMES)
+	dirIndexes, _ := h.GetUint32s(rpmutils.DIRINDEXES)
+	fileFlags, _ := h.GetUint32s(rpmutils.FILEFLAGS)
+	fileModes, _ := h.GetUint32s(rpmutils.FILEMODES)
+
+	files := make([]*File, 0, len(baseNames))
+	for i := range baseNames {
+		if len(dirIndexes) <= i {
+			continue
+		}
+		dirIndex := dirIndexes[i]
+		if len(dirNames) <= int(dirIndex) {
+			continue
+		}
+
+		var fileType string
+		var isExecutable bool
+		if i < len(fileFlags) && (fileFlags[i]&rpmutils.RPMFILE_GHOST) != 0 {
+			fileType = "ghost"
+		} else if i < len(fileModes) {
+			if (fileModes[i] & sIFMT) == sIFDIR {
+				fileType = "dir"
+			} else {
+				mode := fileModes[i] & ^uint32(sIFMT)
+				isExecutable = (mode&sIXUSR) != 0 || (mode&sIXGRP) != 0 || (mode&sIXOTH) != 0
+			}
+		}
+
+		files = append(files, &File{
+			Path:         dirNames[dirIndex] + baseNames[i],
+			Type:         fileType,
+			IsExecutable: isExecutable,
+		})
+	}
+
+	return files
+}
+
+func getChangelogs(h *rpmutils.RpmHeader) []*Changelog {
+	texts, err := h.GetStrings(rpmutils.CHANGELOGTEXT)
+	if err != nil || len(texts) == 0 {
+		return nil
+	}
+	authors, err := h.GetStrings(rpmutils.CHANGELOGNAME)
+	if err != nil || len(authors) == 0 {
+		return nil
+	}
+	times, err := h.GetUint32s(rpmutils.CHANGELOGTIME)
+	if err != nil || len(times) == 0 {
+		return nil
+	}
+	if len(texts) != len(authors) || len(texts) != len(times) {
+		return nil
+	}
+
+	changelogs := make([]*Changelog, 0, len(texts))
+	for i := range texts {
+		changelogs = append(changelogs, &Changelog{
+			Author: authors[i],
+			Date:   timeutil.TimeStamp(times[i]),
+			Text:   texts[i],
+		})
+	}
+	return changelogs
+}