open-consul/agent/connect/uri_service.go
Matt Keeler baa89c7c65
Intentions ACL enforcement updates (#7028)
* Renamed structs.IntentionWildcard to structs.WildcardSpecifier

* Refactor ACL Config

Get rid of remnants of enterprise only renaming.

Add a WildcardName field for specifying what string should be used to indicate a wildcard.

* Add wildcard support in the ACL package

For read operations they can call anyAllowed to determine if any read access to the given resource would be granted.

For write operations they can call allAllowed to ensure that write access is granted to everything.

* Make v1/agent/connect/authorize namespace aware

* Update intention ACL enforcement

This also changes how intention:read is granted. Before the Intention.List RPC would allow viewing an intention if the token had intention:read on the destination. However Intention.Match allowed viewing if access was allowed for either the source or dest side. Now Intention.List and Intention.Get fall in line with Intention.Matches previous behavior.

Due to this being done a few different places ACL enforcement for a singular intention is now done with the CanRead and CanWrite methods on the intention itself.

* Refactor Intention.Apply to make things easier to follow.
2020-01-13 15:51:40 -05:00

43 lines
1,000 B
Go

package connect
import (
"fmt"
"net/url"
"github.com/hashicorp/consul/agent/structs"
)
// SpiffeIDService is the structure to represent the SPIFFE ID for a service.
type SpiffeIDService struct {
Host string
Namespace string
Datacenter string
Service string
}
// URI returns the *url.URL for this SPIFFE ID.
func (id *SpiffeIDService) URI() *url.URL {
var result url.URL
result.Scheme = "spiffe"
result.Host = id.Host
result.Path = fmt.Sprintf("/ns/%s/dc/%s/svc/%s",
id.Namespace, id.Datacenter, id.Service)
return &result
}
// CertURI impl.
func (id *SpiffeIDService) Authorize(ixn *structs.Intention) (bool, bool) {
if ixn.SourceNS != structs.WildcardSpecifier && ixn.SourceNS != id.Namespace {
// Non-matching namespace
return false, false
}
if ixn.SourceName != structs.WildcardSpecifier && ixn.SourceName != id.Service {
// Non-matching name
return false, false
}
// Match, return allow value
return ixn.Action == structs.IntentionActionAllow, true
}