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range.go
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range.go
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package osv
import (
"fmt"
mvn "github.com/masahiro331/go-mvn-version"
"golang.org/x/xerrors"
"github.com/aquasecurity/go-gem-version"
"github.com/aquasecurity/go-npm-version/pkg"
pep440 "github.com/aquasecurity/go-pep440-version"
"github.com/aquasecurity/go-version/pkg/semver"
"github.com/aquasecurity/go-version/pkg/version"
)
type VersionRange interface {
Contains(ver string) (bool, error)
String() string
SetFixed(fixed string)
SetLastAffected(lastAffected string)
}
func NewVersionRange(ecosystem Ecosystem, from string) VersionRange {
vr := &versionRange{from: from}
switch ecosystem {
case EcosystemNpm:
return &NpmVersionRange{versionRange: vr}
case EcosystemRubygems:
return &RubyGemsVersionRange{versionRange: vr}
case EcosystemPyPI:
return &PyPIVersionRange{versionRange: vr}
case EcosystemMaven:
return &MavenVersionRange{versionRange: vr}
case EcosystemGo, EcosystemCrates, EcosystemNuGet:
return &SemVerRange{versionRange: vr}
case EcosystemPackagist:
return &DefaultVersionRange{versionRange: vr}
default:
return &DefaultVersionRange{versionRange: vr}
}
}
// versionRange represents a range of versions
type versionRange struct {
from string
to string
toIncluded bool
}
// constraint returns the range as a constraint string in the expected
// format for semver.NewConstraint
func (r *versionRange) String() string {
// e.g. {"introduced": "1.2.0"}, {"last_affected": "1.2.0"}
if r.toIncluded && r.from == r.to {
return fmt.Sprintf("=%s", r.from)
}
var ver string
if r.to != "" {
ver = fmt.Sprintf("<%s", r.to)
if r.toIncluded {
ver = fmt.Sprintf("<=%s", r.to)
}
}
if ver == "" {
return fmt.Sprintf(">=%s", r.from)
}
// ">=0" can be omitted.
// e.g. {"introduced": "0", "fixed": "1.2.3"} => "<1.2.3"
if r.from == "0" {
return ver
}
return fmt.Sprintf(">=%s, %s", r.from, ver)
}
func (r *versionRange) SetFixed(fixed string) {
r.to = fixed
r.toIncluded = false
}
func (r *versionRange) SetLastAffected(lastAffected string) {
r.to = lastAffected
r.toIncluded = true
}
type DefaultVersionRange struct {
*versionRange
}
func (r *DefaultVersionRange) Contains(ver string) (bool, error) {
c, err := version.NewConstraints(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := version.Parse(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}
type SemVerRange struct {
*versionRange
}
func (r *SemVerRange) Contains(ver string) (bool, error) {
c, err := semver.NewConstraints(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := semver.Parse(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}
type NpmVersionRange struct {
*versionRange
}
func (r *NpmVersionRange) Contains(ver string) (bool, error) {
c, err := npm.NewConstraints(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := npm.NewVersion(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}
type RubyGemsVersionRange struct {
*versionRange
}
func (r *RubyGemsVersionRange) Contains(ver string) (bool, error) {
c, err := gem.NewConstraints(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := gem.NewVersion(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}
type PyPIVersionRange struct {
*versionRange
}
func (r *PyPIVersionRange) Contains(ver string) (bool, error) {
c, err := pep440.NewSpecifiers(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := pep440.Parse(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}
type MavenVersionRange struct {
*versionRange
}
func (r *MavenVersionRange) Contains(ver string) (bool, error) {
c, err := mvn.NewConstraints(r.String())
if err != nil {
return false, xerrors.Errorf("failed to parse version constraint: %w", err)
}
v, err := mvn.NewVersion(ver)
if err != nil {
return false, xerrors.Errorf("failed to parse version: %w", err)
}
return c.Check(v), nil
}