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// Copyright 2019 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package database
// Feature represents a package detected in a layer but the namespace is not
// determined.
//
// e.g. Name: Libssl1.0, Version: 1.0, VersionFormat: dpkg, Type: binary
// dpkg is the version format of the installer package manager, which in this
// case could be dpkg or apk.
type Feature struct {
Name string `json:"name"`
Version string `json:"version"`
VersionFormat string `json:"versionFormat"`
Type FeatureType `json:"type"`
}
// NamespacedFeature is a feature with determined namespace and can be affected
// by vulnerabilities.
//
// e.g. OpenSSL 1.0 dpkg Debian:7.
type NamespacedFeature struct {
Feature `json:"feature"`
Namespace Namespace `json:"namespace"`
}
// AffectedNamespacedFeature is a namespaced feature affected by the
// vulnerabilities with fixed-in versions for this feature.
type AffectedNamespacedFeature struct {
NamespacedFeature
AffectedBy []VulnerabilityWithFixedIn
}
// VulnerabilityWithFixedIn is used for AffectedNamespacedFeature to retrieve
// the affecting vulnerabilities and the fixed-in versions for the feature.
type VulnerabilityWithFixedIn struct {
Vulnerability
FixedInVersion string
}
// AffectedFeature is used to determine whether a namespaced feature is affected
// by a Vulnerability. Namespace and Feature Name is unique. Affected Feature is
// bound to vulnerability.
type AffectedFeature struct {
// FeatureType determines which type of package it affects.
FeatureType FeatureType
Namespace Namespace
FeatureName string
// FixedInVersion is known next feature version that's not affected by the
// vulnerability. Empty FixedInVersion means the unaffected version is
// unknown.
FixedInVersion string
// AffectedVersion contains the version range to determine whether or not a
// feature is affected.
AffectedVersion string
}
// NullableAffectedNamespacedFeature is an affectednamespacedfeature with
// whether it's found in datastore.
type NullableAffectedNamespacedFeature struct {
AffectedNamespacedFeature
Valid bool
}
func NewFeature(name string, version string, versionFormat string, featureType FeatureType) *Feature {
return &Feature{name, version, versionFormat, featureType}
}
func NewBinaryPackage(name string, version string, versionFormat string) *Feature {
return &Feature{name, version, versionFormat, BinaryPackage}
}
func NewSourcePackage(name string, version string, versionFormat string) *Feature {
return &Feature{name, version, versionFormat, SourcePackage}
}
func NewNamespacedFeature(namespace *Namespace, feature *Feature) *NamespacedFeature {
// TODO: namespaced feature should use pointer values
return &NamespacedFeature{*feature, *namespace}
}
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