mirror of
https://github.com/anchore/syft.git
synced 2025-11-18 17:03:17 +01:00
85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package java
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import (
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"path/filepath"
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"regexp"
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"strings"
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"github.com/anchore/imgbom/imgbom/pkg"
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)
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// match examples:
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// pkg-extra-field-4.3.2-rc1 --> match(name=pkg-extra-field version=4.3.2-rc1)
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// pkg-extra-field-4.3-rc1 --> match(name=pkg-extra-field version=4.3-rc1)
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// pkg-extra-field-4.3 --> match(name=pkg-extra-field version=4.3)
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var versionPattern = regexp.MustCompile(`(?P<name>.+)-(?P<version>(\d+\.)?(\d+\.)?(\*|\d+)(-[a-zA-Z0-9\-\.]+)*)`)
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type archiveFilename struct {
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raw string
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}
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func newJavaArchiveFilename(raw string) archiveFilename {
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return archiveFilename{
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raw: raw,
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}
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}
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func (a archiveFilename) normalize() string {
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// trim the file extension and remove any path prefixes
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return strings.TrimSuffix(filepath.Base(a.raw), "."+a.extension())
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}
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func (a archiveFilename) fields() []map[string]string {
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name := a.normalize()
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matches := versionPattern.FindAllStringSubmatch(name, -1)
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items := make([]map[string]string, 0)
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for _, match := range matches {
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item := make(map[string]string)
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for i, name := range versionPattern.SubexpNames() {
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if i != 0 && name != "" {
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item[name] = match[i]
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}
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}
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items = append(items, item)
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}
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return items
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}
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func (a archiveFilename) extension() string {
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return strings.TrimPrefix(filepath.Ext(a.raw), ".")
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}
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func (a archiveFilename) pkgType() pkg.Type {
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switch strings.ToLower(a.extension()) {
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case "jar", "war", "ear":
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return pkg.JavaPkg
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case "jpi", "hpi":
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return pkg.JenkinsPluginPkg
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default:
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return pkg.UnknownPkg
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}
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}
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func (a archiveFilename) version() string {
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fields := a.fields()
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// there should be only one version, if there is more or less then something is wrong
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if len(fields) != 1 {
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return ""
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}
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return fields[0]["version"]
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}
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func (a archiveFilename) name() string {
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fields := a.fields()
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// there should be only one name, if there is more or less then something is wrong
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if len(fields) != 1 {
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return ""
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}
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return fields[0]["name"]
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}
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