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e584c9f416
--------- Signed-off-by: Christopher Phillips <32073428+spiffcs@users.noreply.github.com>
82 lines
3.1 KiB
Go
82 lines
3.1 KiB
Go
package syft
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import (
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"encoding/json"
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"reflect"
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"github.com/anchore/syft/syft/cataloging"
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"github.com/anchore/syft/syft/cataloging/filecataloging"
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"github.com/anchore/syft/syft/cataloging/pkgcataloging"
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)
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// configurationAuditTrail is all input configuration was used to generate the SBOM
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type configurationAuditTrail struct {
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Search cataloging.SearchConfig `json:"search" yaml:"search" mapstructure:"search"`
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Relationships cataloging.RelationshipsConfig `json:"relationships" yaml:"relationships" mapstructure:"relationships"`
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DataGeneration cataloging.DataGenerationConfig `json:"data-generation" yaml:"data-generation" mapstructure:"data-generation"`
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Packages pkgcataloging.Config `json:"packages" yaml:"packages" mapstructure:"packages"`
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Files filecataloging.Config `json:"files" yaml:"files" mapstructure:"files"`
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Licenses cataloging.LicenseConfig `json:"licenses" yaml:"licenses" mapstructure:"licenses"`
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Catalogers catalogerManifest `json:"catalogers" yaml:"catalogers" mapstructure:"catalogers"`
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ExtraConfigs any `json:"extra,omitempty" yaml:"extra" mapstructure:"extra"`
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}
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type catalogerManifest struct {
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Requested cataloging.SelectionRequest `json:"requested" yaml:"requested" mapstructure:"requested"`
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Used []string `json:"used" yaml:"used" mapstructure:"used"`
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}
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type marshalAPIConfiguration configurationAuditTrail
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func (cfg configurationAuditTrail) MarshalJSON() ([]byte, error) {
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// since the api configuration is placed into the SBOM in an empty interface, and we want a stable ordering of
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// keys (not guided by the struct ordering) we need to convert the struct to a map. This is best done with
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// simply marshalling and unmarshalling. Mapstructure is used to ensure we are honoring all json struct
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// tags. Once we have a map, we can lean on the stable ordering of json map keys in the stdlib. This is an
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// implementation detail that can be at least relied on until Go 2 (at which point it can change).
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// This dance allows us to guarantee ordering of keys in the configuration section of the SBOM.
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initialJSON, err := json.Marshal(marshalAPIConfiguration(cfg))
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if err != nil {
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return nil, err
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}
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var dataMap map[string]interface{}
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if err := json.Unmarshal(initialJSON, &dataMap); err != nil {
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return nil, err
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}
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if v, exists := dataMap["extra"]; exists && v == nil {
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// remove the extra key if it renders as nil
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delete(dataMap, "extra")
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}
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return marshalSorted(dataMap)
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}
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// marshalSorted recursively marshals a map with sorted keys
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func marshalSorted(m interface{}) ([]byte, error) {
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if reflect.TypeOf(m).Kind() != reflect.Map {
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return json.Marshal(m)
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}
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val := reflect.ValueOf(m)
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sortedMap := make(map[string]interface{})
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for _, key := range val.MapKeys() {
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value := val.MapIndex(key).Interface()
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if value != nil && reflect.TypeOf(value).Kind() == reflect.Map {
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sortedValue, err := marshalSorted(value)
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if err != nil {
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return nil, err
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}
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sortedMap[key.String()] = json.RawMessage(sortedValue)
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} else {
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sortedMap[key.String()] = value
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}
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}
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return json.Marshal(sortedMap)
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}
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