Exposing App() from Connection Interface

applications/auth_test.go

@@ -2,6 +2,7 @@ package applications
 
 import (
 	"crypto/rand"
+	"cwtch.im/tapir"
 	"cwtch.im/tapir/primitives"
 	"encoding/json"
 	"golang.org/x/crypto/ed25519"
@@ -66,6 +67,11 @@ func (MockConnection) Close() {
 	// no op
 }
 
+func (MockConnection) App() tapir.Application {
+	// no op
+	return nil
+}
+
 func (MockConnection) IsClosed() bool {
 	panic("implement me")
 }

service.go

@@ -35,6 +35,7 @@ type Connection interface {
 	SetEncryptionKey(key [32]byte)
 	Send(message []byte)
 	Close()
+	App() Application
 	IsClosed() bool
 }
 
@@ -45,7 +46,7 @@ type connection struct {
 	capabilities sync.Map
 	encrypted    bool
 	key          [32]byte
-	App          Application
+	app          Application
 	identity     *primitives.Identity
 	outbound     bool
 	closed       bool
@@ -57,11 +58,11 @@ func NewConnection(id *primitives.Identity, hostname string, outbound bool, conn
 	connection := new(connection)
 	connection.hostname = hostname
 	connection.conn = conn
-	connection.App = app
+	connection.app = app
 	connection.identity = id
 	connection.outbound = outbound
 	connection.MaxLength = 1024
-	go connection.App.Init(connection)
+	go connection.app.Init(connection)
 	return connection
 }
 
@@ -70,6 +71,11 @@ func (c *connection) ID() *primitives.Identity {
 	return c.identity
 }
 
+// App returns the overarching application using this Connection.
+func (c *connection) App() Application {
+	return c.app
+}
+
 // Hostname returns the hostname of the connection (if the connection has not been authorized it will return the
 // temporary hostname identifier)
 func (c *connection) Hostname() string {