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state_machines.go
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/
state_machines.go
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package sam
import (
"github.com/liamg/iamgo"
"github.com/aquasecurity/trivy/pkg/iac/providers/aws/iam"
"github.com/aquasecurity/trivy/pkg/iac/providers/aws/sam"
"github.com/aquasecurity/trivy/pkg/iac/scanners/cloudformation/parser"
iacTypes "github.com/aquasecurity/trivy/pkg/iac/types"
)
func getStateMachines(cfFile parser.FileContext) (stateMachines []sam.StateMachine) {
stateMachineResources := cfFile.GetResourcesByType("AWS::Serverless::StateMachine")
for _, r := range stateMachineResources {
stateMachine := sam.StateMachine{
Metadata: r.Metadata(),
Name: r.GetStringProperty("Name"),
LoggingConfiguration: sam.LoggingConfiguration{
Metadata: r.Metadata(),
LoggingEnabled: iacTypes.BoolDefault(false, r.Metadata()),
},
ManagedPolicies: nil,
Policies: nil,
Tracing: getTracingConfiguration(r),
}
// TODO: By default, the level is set to OFF
if logging := r.GetProperty("Logging"); logging.IsNotNil() {
stateMachine.LoggingConfiguration.Metadata = logging.Metadata()
if level := logging.GetProperty("Level"); level.IsNotNil() {
stateMachine.LoggingConfiguration.LoggingEnabled = iacTypes.Bool(!level.EqualTo("OFF"), level.Metadata())
}
}
setStateMachinePolicies(r, &stateMachine)
stateMachines = append(stateMachines, stateMachine)
}
return stateMachines
}
func getTracingConfiguration(r *parser.Resource) sam.TracingConfiguration {
tracing := r.GetProperty("Tracing")
if tracing.IsNil() {
return sam.TracingConfiguration{
Metadata: r.Metadata(),
Enabled: iacTypes.BoolDefault(false, r.Metadata()),
}
}
return sam.TracingConfiguration{
Metadata: tracing.Metadata(),
Enabled: tracing.GetBoolProperty("Enabled"),
}
}
func setStateMachinePolicies(r *parser.Resource, stateMachine *sam.StateMachine) {
policies := r.GetProperty("Policies")
if policies.IsNotNil() {
if policies.IsString() {
stateMachine.ManagedPolicies = append(stateMachine.ManagedPolicies, policies.AsStringValue())
} else if policies.IsList() {
for _, property := range policies.AsList() {
parsed, err := iamgo.Parse(property.GetJsonBytes(true))
if err != nil {
continue
}
policy := iam.Policy{
Metadata: property.Metadata(),
Name: iacTypes.StringDefault("", property.Metadata()),
Document: iam.Document{
Metadata: property.Metadata(),
Parsed: *parsed,
},
Builtin: iacTypes.Bool(false, property.Metadata()),
}
stateMachine.Policies = append(stateMachine.Policies, policy)
}
}
}
}