policies

Documentation

Index

• func ExtractDigest(ref string) (string, string)
• func IsProviderScheme(ref string) bool
• func LoadPolicyScriptFromSpec(spec *v1.Policy) (*engine.Policy, error)
• func LogPolicyViolations(evaluations []*v12.PolicyEvaluation, logger *zerolog.Logger)
• func ProviderParts(ref string) (string, string)
• type ChainloopLoader
  • func NewChainloopLoader(client pb.AttestationServiceClient) *ChainloopLoader
  • func (c *ChainloopLoader) Load(ctx context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)
• type EmbeddedLoader
  • func (e *EmbeddedLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)
• type FileLoader
  • func (l *FileLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)
• type HTTPSLoader
  • func (l *HTTPSLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)
• type Loader
• type PolicyError
  • func NewPolicyError(err error) *PolicyError
  • func (e *PolicyError) Error() string
  • func (e *PolicyError) Unwrap() error
• type PolicyEvaluation
• type PolicyVerifier
  • func NewPolicyVerifier(schema *v1.CraftingSchema, client v13.AttestationServiceClient, ...) *PolicyVerifier
  • func (pv *PolicyVerifier) VerifyMaterial(ctx context.Context, material *v12.Attestation_Material, artifactPath string) ([]*v12.PolicyEvaluation, error)
  • func (pv *PolicyVerifier) VerifyStatement(ctx context.Context, statement *intoto.Statement) ([]*v12.PolicyEvaluation, error)

Functions

func ExtractDigest

func ExtractDigest(ref string) (string, string)

func IsProviderScheme

func IsProviderScheme(ref string) bool

IsProviderScheme takes a policy reference and returns whether it's referencing to an external provider or not

func LoadPolicyScriptFromSpec

func LoadPolicyScriptFromSpec(spec *v1.Policy) (*engine.Policy, error)

LoadPolicyScriptFromSpec loads a policy referenced from the spec

func LogPolicyViolations

func LogPolicyViolations(evaluations []*v12.PolicyEvaluation, logger *zerolog.Logger)

func ProviderParts

func ProviderParts(ref string) (string, string)

Types

type ChainloopLoader

type ChainloopLoader struct {
	Client pb.AttestationServiceClient
	// contains filtered or unexported fields
}

ChainloopLoader loads policies referenced with chainloop://provider/name URLs

func NewChainloopLoader

func NewChainloopLoader(client pb.AttestationServiceClient) *ChainloopLoader

func (*ChainloopLoader) Load

func (c *ChainloopLoader) Load(ctx context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)

type EmbeddedLoader

type EmbeddedLoader struct{}

EmbeddedLoader returns embedded policies

func (*EmbeddedLoader) Load

func (e *EmbeddedLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)

type FileLoader

type FileLoader struct{}

FileLoader loader loads policies from filesystem and HTTPS references using Cosign's blob package

func (*FileLoader) Load

func (l *FileLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)

type HTTPSLoader

type HTTPSLoader struct{}

HTTPSLoader loader loads policies from HTTP or HTTPS references

func (*HTTPSLoader) Load

func (l *HTTPSLoader) Load(_ context.Context, attachment *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)

type Loader

type Loader interface {
	Load(context.Context, *v1.PolicyAttachment) (*v1.Policy, *v12.ResourceDescriptor, error)
}

Loader defines the interface for policy loaders from contract attachments

type PolicyError

type PolicyError struct {
	// contains filtered or unexported fields
}

func NewPolicyError

func NewPolicyError(err error) *PolicyError

func (*PolicyError) Error

func (e *PolicyError) Error() string

func (*PolicyError) Unwrap

func (e *PolicyError) Unwrap() error

type PolicyEvaluation

type PolicyEvaluation struct {
}

type PolicyVerifier

type PolicyVerifier struct {
	// contains filtered or unexported fields
}

func NewPolicyVerifier

func NewPolicyVerifier(schema *v1.CraftingSchema, client v13.AttestationServiceClient, logger *zerolog.Logger) *PolicyVerifier

func (*PolicyVerifier) VerifyMaterial

func (pv *PolicyVerifier) VerifyMaterial(ctx context.Context, material *v12.Attestation_Material, artifactPath string) ([]*v12.PolicyEvaluation, error)

VerifyMaterial applies all required policies to a material

func (*PolicyVerifier) VerifyStatement

func (pv *PolicyVerifier) VerifyStatement(ctx context.Context, statement *intoto.Statement) ([]*v12.PolicyEvaluation, error)

VerifyStatement verifies that the statement is compliant with the policies present in the schema