adding ref mat'l, Service tests done

.ref/URLs

@@ -7,3 +7,7 @@ https://people.gnome.org/~stefw/libsecret-docs/index.html
 Quick reference URLs:
 
 Dbus paths: https://specifications.freedesktop.org/secret-service/latest/ch12.html
+Message types: https://dbus.freedesktop.org/doc/dbus-specification.html#type-system
+	Use this for reference for errors like:
+		Type of message, “(ao)”, does not match expected type “(aoo)”
+	See dbus_types subdir for Golang structs that can be used in the future to improve these error messages.

.ref/dbus_types/structs.go

@@ -0,0 +1,116 @@
+package dbus_types
+
+// https://dbus.freedesktop.org/doc/dbus-specification.html#type-system
+
+type DbusType struct {
+	TypeName  string
+	Symbol    rune
+	Desc      string
+	ZeroValue interface{}
+}
+
+/*
+	BASIC TYPES
+*/
+
+var DbusByte DbusType = DbusType{
+	TypeName:  "BYTE",
+	Symbol:    'y',
+	Desc:      "Unsigned 8-bit integer",
+	ZeroValue: byte(0x0),
+}
+
+var DbusBoolean DbusType = DbusType{
+	TypeName:  "BOOLEAN",
+	Symbol:    'b',
+	Desc:      "Boolean value: 0 is false, 1 is true, any other value allowed by the marshalling format is invalid",
+	ZeroValue: false,
+}
+
+var DbusInt16 DbusType = DbusType{
+	TypeName:  "INT16",
+	Symbol:    'n',
+	Desc:      "Signed (two's complement) 16-bit integer",
+	ZeroValue: int16(0),
+}
+
+var DbusUint16 DbusType = DbusType{
+	TypeName:  "UINT16",
+	Symbol:    'q',
+	Desc:      "Unsigned 16-bit integer",
+	ZeroValue: uint16(0),
+}
+
+var DbusInt32 DbusType = DbusType{
+	TypeName:  "INT32",
+	Symbol:    'i',
+	Desc:      "Signed (two's complement) 32-bit integer",
+	ZeroValue: int32(0),
+}
+
+var DbusUint32 DbusType = DbusType{
+	TypeName:  "UINT32",
+	Symbol:    'u',
+	Desc:      "Unsigned 32-bit integer",
+	ZeroValue: uint32(0),
+}
+
+var DbusInt64 DbusType = DbusType{
+	TypeName:  "INT64",
+	Symbol:    'x',
+	Desc:      "Signed (two's complement) 64-bit integer (mnemonic: x and t are the first characters in \"sixty\" not already used for something more common)",
+	ZeroValue: int64(0),
+}
+
+var DbusUint64 DbusType = DbusType{
+	TypeName:  "UINT64",
+	Symbol:    't',
+	Desc:      "Unsigned 64-bit integer",
+	ZeroValue: uint64(0),
+}
+
+var DbusDoubleFloat DbusType = DbusType{
+	TypeName:  "DOUBLE",
+	Symbol:    'd',
+	Desc:      "IEEE 754 double-precision floating point",
+	ZeroValue: float64(0),
+}
+
+var DbusUnixFD DbusType = DbusType{
+	TypeName:  "UNIX_FD",
+	Symbol:    'h',
+	Desc:      "Unsigned 32-bit integer representing an index into an out-of-band array of file descriptors, transferred via some platform-specific mechanism (mnemonic: h for handle)",
+	ZeroValue: uint32(0), // See https://pkg.go.dev/github.com/godbus/dbus#UnixFDIndex
+}
+
+var DbusString DbusType = DbusType{
+	TypeName:  "STRING",
+	Symbol:    'o',
+	Desc:      "No extra constraints",
+	ZeroValue: "",
+}
+
+var DbusObjectPath DbusType = DbusType{
+	TypeName:  "OBJECT_PATH",
+	Symbol:    'o',
+	Desc:      "A syntactically valid Path for Dbus",
+	ZeroValue: nil, // ???
+}
+
+var DbusSignature DbusType = DbusType{
+	TypeName:  "SIGNATURE",
+	Symbol:    'g',
+	Desc:      "0 or more single complete types", // ???
+	ZeroValue: nil,                               // ???
+}
+
+/*
+	CONTAINER TYPES
+*/
+/*
+	TODO: not sure how to struct this natively, but:
+		  Dbus Struct:  (<symbol(s)...>) // Note: structs can be nested e.g. (i(ii))
+		  Dbus Array:   a<symbol>		 // The symbol can be any type (even nested arrays, e.g. aai), but only one type is allowed. Arrays are like Golang slices; no fixed size.
+		  Dbus Variant: v<symbol>		 // Dbus equivalent of interface{}, more or less. See https://dbus.freedesktop.org/doc/dbus-specification.html#container-types
+		  Dbus Dict:    [kv]			 // Where k is the key's type and v is the value's type.
+*/

conts_test.go

@@ -1,6 +1,24 @@
 package gosecret
 
+import (
+	`github.com/google/uuid`
+)
+
 // Paths.
 const (
 	DbusDefaultCollectionPath string = DbusPath + "/collections/login"
 )
+
+// Strings.
+const (
+	defaultCollection string = "default" // SHOULD point to a collection named "login"; "default" is the alias.
+	testAlias         string = "GOSECRET_TESTING_ALIAS"
+	testSecretContent string = "This is a test secret for gosecret."
+	testItemLabel     string = "gosecret_test_item"
+)
+
+// Objects.
+var (
+	collectionName  uuid.UUID = uuid.New()
+	collectionAlias uuid.UUID = uuid.New()
+)

multierr_funcs.go

@@ -8,7 +8,7 @@ import (
 	NewErrors returns a new MultiError based on a slice of error.Error (errs).
 	Any nil errors are trimmed. If there are no actual errors after trimming, err will be nil.
 */
-func NewErrors(errs ...error) (err *MultiError) {
+func NewErrors(errs ...error) (err error) {
 
 	if errs == nil || len(errs) == 0 {
 		return
@@ -46,7 +46,7 @@ func (e *MultiError) Error() (errStr string) {
 	}
 
 	for idx, err := range e.Errors {
-		if (idx +1 ) < numErrs {
+		if (idx + 1) < numErrs {
 			errStr += fmt.Sprintf(err.Error(), e.ErrorSep)
 		} else {
 			errStr += err.Error()

prompt_funcs.go

@@ -23,6 +23,8 @@ func (p *Prompt) Prompt() (promptValue *dbus.Variant, err error) {
 	var c chan *dbus.Signal
 	var result *dbus.Signal
 
+	promptValue = new(dbus.Variant)
+
 	// Prompts are asynchronous; we connect to the signal and block with a channel until we get a response.
 	c = make(chan *dbus.Signal, 10)
 	defer close(c)
@@ -31,7 +33,7 @@ func (p *Prompt) Prompt() (promptValue *dbus.Variant, err error) {
 	defer p.Conn.RemoveSignal(c)
 
 	if err = p.Dbus.Call(
-		DbusPrompterInterface, 0, "", // TODO: This last argument, the string, is for "window ID". I'm unclear what for.
+		DbusPrompterInterface, 0, "GoSecret.Prompt", // TODO: This last argument, the string, is for "window ID". I'm unclear what for.
 	).Store(); err != nil {
 		return
 	}

service_funcs.go

@@ -95,7 +95,6 @@ func (s *Service) CreateAliasedCollection(label, alias string) (collection *Coll
 	if isPrompt(promptPath) {
 
 		prompt = NewPrompt(s.Conn, promptPath)
-
 		if variant, err = prompt.Prompt(); err != nil {
 			return
 		}
@@ -161,20 +160,38 @@ func (s *Service) GetCollection(name string) (c *Collection, err error) {
 */
 func (s *Service) GetSecrets(itemPaths ...dbus.ObjectPath) (secrets map[dbus.ObjectPath]*Secret, err error) {
 
+	/*
+		Results are in the form of a map with the value consisting of:
+		[]interface {}{
+			"/org/freedesktop/secrets/session/sNNN",  // 0, session path
+			[]uint8{},                                // 1, "params"
+			[]uint8{0x0},                             // 2, value
+			"text/plain",                             // 3, content type
+		}
+	*/
+	var results map[dbus.ObjectPath][]interface{}
+
 	if itemPaths == nil || len(itemPaths) == 0 {
 		err = ErrMissingPaths
 		return
 	}
 
 	secrets = make(map[dbus.ObjectPath]*Secret, len(itemPaths))
+	results = make(map[dbus.ObjectPath][]interface{}, len(itemPaths))
 
 	// TODO: trigger a Service.Unlock for any locked items?
 	if err = s.Dbus.Call(
-		DbusServiceGetSecrets, 0, itemPaths,
+		DbusServiceGetSecrets, 0, itemPaths, s.Session.Dbus.Path(),
-	).Store(&secrets); err != nil {
+	).Store(&results); err != nil {
 		return
 	}
 
+	for p, r := range results {
+		secrets[p] = NewSecret(
+			s.Session, r[1].([]byte), r[2].([]byte), r[3].(string),
+		)
+	}
+
 	return
 }
 
@@ -196,40 +213,29 @@ func (s *Service) GetSession() (ssn *Session, err error) {
 */
 func (s *Service) Lock(objectPaths ...dbus.ObjectPath) (err error) {
 
-	var errs []error = make([]error, 0)
 	// We only use these as destinations.
 	var locked []dbus.ObjectPath
 	var prompt *Prompt
-	var resultPath dbus.ObjectPath
+	var promptPath dbus.ObjectPath
 
 	if objectPaths == nil || len(objectPaths) == 0 {
 		objectPaths = []dbus.ObjectPath{s.Dbus.Path()}
 	}
 
-	for _, p := range objectPaths {
 	if err = s.Dbus.Call(
-			DbusServiceLock, 0, p,
+		DbusServiceLock, 0, objectPaths,
-		).Store(&locked, &resultPath); err != nil {
+	).Store(&locked, &promptPath); err != nil {
-			errs = append(errs, err)
+		return
-			err = nil
-			continue
 	}
 
-		if isPrompt(resultPath) {
+	if isPrompt(promptPath) {
 
-			prompt = NewPrompt(s.Conn, resultPath)
+		prompt = NewPrompt(s.Conn, promptPath)
 
 		if _, err = prompt.Prompt(); err != nil {
-				errs = append(errs, err)
+			return
-				err = nil
-				continue
 		}
 	}
-	}
-
-	if errs != nil && len(errs) > 0 {
-		err = NewErrors(errs...)
-	}
 
 	return
 }
@@ -407,7 +413,6 @@ func (s *Service) SetAlias(alias string, objectPath dbus.ObjectPath) (err error)
 */
 func (s *Service) Unlock(objectPaths ...dbus.ObjectPath) (err error) {
 
-	var errs []error = make([]error, 0)
 	var unlocked []dbus.ObjectPath
 	var prompt *Prompt
 	var resultPath dbus.ObjectPath
@@ -416,13 +421,10 @@ func (s *Service) Unlock(objectPaths ...dbus.ObjectPath) (err error) {
 		objectPaths = []dbus.ObjectPath{s.Dbus.Path()}
 	}
 
-	for _, p := range objectPaths {
 	if err = s.Dbus.Call(
-			DbusServiceUnlock, 0, p,
+		DbusServiceUnlock, 0, objectPaths,
 	).Store(&unlocked, &resultPath); err != nil {
-			errs = append(errs, err)
+		return
-			err = nil
-			continue
 	}
 
 	if isPrompt(resultPath) {
@@ -430,16 +432,9 @@ func (s *Service) Unlock(objectPaths ...dbus.ObjectPath) (err error) {
 		prompt = NewPrompt(s.Conn, resultPath)
 
 		if _, err = prompt.Prompt(); err != nil {
-				errs = append(errs, err)
+			return
-				err = nil
-				continue
 		}
 	}
-	}
-
-	if errs != nil && len(errs) > 0 {
-		err = NewErrors(errs...)
-	}
 
 	return
 }

service_funcs_test.go

@@ -3,17 +3,7 @@ package gosecret
 import (
 	"testing"
 
-	"github.com/google/uuid"
+	`github.com/godbus/dbus/v5`
-)
-
-var (
-	collectionName  uuid.UUID = uuid.New()
-	collectionAlias uuid.UUID = uuid.New()
-)
-
-const (
-	defaultCollection string = "Login"
-	testAlias         string = "GOSECRET_TESTING_ALIAS"
 )
 
 /*
@@ -64,7 +54,7 @@ func TestService_Collections(t *testing.T) {
 		t.Fatalf("could not get new Service via NewService: %v", err.Error())
 	}
 
-	if _, err = svc.Collections(); err != nil {
+	if colls, err = svc.Collections(); err != nil {
 		t.Errorf("could not get Service.Collections: %v", err.Error())
 	} else {
 		t.Logf("found %v collections via Service.Collections", len(colls))
@@ -89,6 +79,7 @@ func TestService_Collections(t *testing.T) {
 	(By extension, Service.CreateCollection is also tested as it's a very thin wrapper
 	around Service.CreateAliasedCollection).
 */
+/* DISABLED. Currently, *only* the alias "default" is allowed. TODO: revisit in future?
 func TestService_CreateAliasedCollection(t *testing.T) {
 
 	var err error
@@ -105,6 +96,12 @@ func TestService_CreateAliasedCollection(t *testing.T) {
 			collectionName.String(), collectionAlias.String(), err.Error(),
 		)
 	} else {
+		if err = svc.SetAlias(testAlias, collection.Dbus.Path()); err != nil {
+			t.Errorf(
+				"error when setting an alias '%v' for aliased collection '%v' (original alias '%v')",
+				testAlias, collectionName.String(), collectionAlias.String(),
+			)
+		}
 		if err = collection.Delete(); err != nil {
 			t.Errorf(
 				"error when deleting aliased collection '%v' with alias '%v': %v",
@@ -113,17 +110,11 @@ func TestService_CreateAliasedCollection(t *testing.T) {
 		}
 	}
 
-	if err = svc.SetAlias(testAlias, collection.Dbus.Path()); err != nil {
-		t.Errorf(
-			"error when setting an alias '%v' for aliased collection '%v' (original alias '%v')",
-			testAlias, collectionName.String(), collectionAlias.String(),
-		)
-	}
-
 	if err = svc.Close(); err != nil {
 		t.Errorf("could not close Service.Session: %v", err.Error())
 	}
 }
+*/
 
 /*
 	TestService_GetCollection tests the following internal functions/methods via nested calls:
@@ -133,6 +124,8 @@ func TestService_CreateAliasedCollection(t *testing.T) {
 			(all calls in TestService_Collections)
 			Service.ReadAlias
 
+	The default collection (login) is fetched instead of creating one as this collection should exist,
+	and tests fetching existing collections instead of newly-created ones.
 */
 func TestService_GetCollection(t *testing.T) {
 
@@ -162,29 +155,176 @@ func TestService_GetCollection(t *testing.T) {
 		(all calls in TestService_CreateAliasedCollection)
 		Service.CreateCollection
 		Service.SearchItems
+			NewItem
+			NewErrors
 		Service.GetSecrets
+		NewSecret
+		Collection.CreateItem
+		Item.Label
 
 */
-/* TODO: left off on this.
 func TestService_Secrets(t *testing.T) {
 
 	var err error
 	var svc *Service
 	var collection *Collection
+	var itemResultsUnlocked []*Item
+	var itemResultsLocked []*Item
+	var itemName string
+	var resultItemName string
+	var testItem *Item
+	var testSecret *Secret
+	var secretsResult map[dbus.ObjectPath]*Secret
 	var itemPaths []dbus.ObjectPath
+	var itemAttrs map[string]string = map[string]string{
+		"GOSECRET": "yes",
+	}
 
 	if svc, err = NewService(); err != nil {
 		t.Fatalf("could not get new Service via NewService: %v", err.Error())
 	}
 
 	if collection, err = svc.CreateCollection(collectionName.String()); err != nil {
-		t.Errorf("could not create collection '%v': %v", collectionName.String(), err.Error())
+		if err = svc.Close(); err != nil {
+			t.Errorf("could not close Service.Session: %v", err.Error())
+		}
+		t.Fatalf("could not create collection '%v': %v", collectionName.String(), err.Error())
+	}
+
+	// Create a secret
+	testSecret = NewSecret(svc.Session, nil, []byte(testSecretContent), "text/plain")
+	if testItem, err = collection.CreateItem(testItemLabel, itemAttrs, testSecret, true); err != nil {
+		if err = svc.Close(); err != nil {
+			t.Errorf("could not close Service.Session: %v", err.Error())
+		}
+		t.Fatalf("could not create Item in collection '%v': %v", collectionName.String(), err.Error())
+	}
+
+	if itemName, err = testItem.Label(); err != nil {
+		t.Errorf(
+			"could not get label for newly-created item '%v' in collection '%v': %v",
+			string(testItem.Dbus.Path()), collectionName.String(), err.Error(),
+		)
+		itemName = testItemLabel
+	}
+
+	// Search items
+	if itemResultsUnlocked, itemResultsLocked, err = svc.SearchItems(itemAttrs); err != nil {
+		t.Errorf("did not find Item '%v' in collection '%v' SearchItems: %v", itemName, collectionName.String(), err.Error())
+	} else {
+		if len(itemResultsLocked) != 0 && itemResultsUnlocked != nil {
+			t.Errorf("at least one locked item in collection '%v'", collectionName.String())
+		}
+		if len(itemResultsUnlocked) != 1 {
+			t.Errorf("number of unlocked items in collection '%v' is not equal to 1", collectionName.String())
+		}
+		if resultItemName, err = itemResultsUnlocked[0].Label(); err != nil {
+			t.Errorf("cannot fetch test Item name from collection '%v' in SearchItems: %v", collectionName.String(), err.Error())
+		} else {
+			if resultItemName != itemName {
+				t.Errorf("seem to have fetched an improper Item from collection '%v' in SearchItems", collectionName.String())
+			}
+		}
+	}
+
+	// Fetch secrets
+	itemPaths = make([]dbus.ObjectPath, len(itemResultsUnlocked))
+	if len(itemResultsUnlocked) >= 1 {
+		itemPaths[0] = itemResultsUnlocked[0].Dbus.Path()
+		if secretsResult, err = svc.GetSecrets(itemPaths...); err != nil {
+			t.Errorf("failed to fetch Item path '%v' via Service.GetSecrets: %v", string(itemPaths[0]), err.Error())
+		} else if len(secretsResult) != 1 {
+			t.Errorf("received %v secrets from Service.GetSecrets instead of 1", len(secretsResult))
+		}
+	}
+
+	// Delete the collection to clean up.
+	if err = collection.Delete(); err != nil {
+		t.Errorf(
+			"error when deleting collection '%v' when testing Service: %v",
+			collectionName.String(), err.Error(),
+		)
 	}
 
 	if err = svc.Close(); err != nil {
 		t.Errorf("could not close Service.Session: %v", err.Error())
 	}
 }
-*/
 
 // service.Lock & service.Unlock
+
+/*
+	TestService_Locking tests the following internal functions/methods via nested calls:
+
+		(all calls in TestNewService)
+		(all calls in TestService_CreateAliasedCollection)
+		Service.Lock
+		Service.Unlock
+		Collection.Locked
+
+*/
+func TestService_Locking(t *testing.T) {
+
+	var err error
+	var isLocked bool
+	var stateChangeLock bool
+	var svc *Service
+	var collection *Collection
+
+	if svc, err = NewService(); err != nil {
+		t.Fatalf("could not get new Service via NewService: %v", err.Error())
+	}
+
+	if collection, err = svc.CreateCollection(collectionName.String()); err != nil {
+		if err = svc.Close(); err != nil {
+			t.Errorf("could not close Service.Session: %v", err.Error())
+		}
+		t.Errorf("could not create collection '%v': %v", collectionName.String(), err.Error())
+	}
+
+	if isLocked, err = collection.Locked(); err != nil {
+		t.Errorf("received error when checking collection '%v' lock status: %v", collectionName.String(), err.Error())
+		if err = collection.Delete(); err != nil {
+			t.Errorf(
+				"error when deleting collection '%v' when testing Service: %v",
+				collectionName.String(), err.Error(),
+			)
+		}
+		if err = svc.Close(); err != nil {
+			t.Errorf("could not close Service.Session: %v", err.Error())
+		}
+		return
+	} else {
+		t.Logf("collection '%v' original lock status: %v", collectionName.String(), isLocked)
+	}
+
+	// Change the state.
+	if isLocked {
+		if err = svc.Unlock(collection.Dbus.Path()); err != nil {
+			t.Errorf("could not unlock collection '%v': %v", collectionName.String(), err.Error())
+		}
+		if stateChangeLock, err = collection.Locked(); err != nil {
+			t.Errorf("received error when checking collection '%v' lock status: %v", collectionName.String(), err.Error())
+		}
+		if err = svc.Lock(collection.Dbus.Path()); err != nil {
+			t.Errorf("could not lock collection '%v': %v", collectionName.String(), err.Error())
+		}
+	} else {
+		if err = svc.Lock(collection.Dbus.Path()); err != nil {
+			t.Errorf("could not lock collection '%v': %v", collectionName.String(), err.Error())
+		}
+		if stateChangeLock, err = collection.Locked(); err != nil {
+			t.Errorf("received error when checking collection '%v' lock status: %v", collectionName.String(), err.Error())
+		}
+		if err = svc.Unlock(collection.Dbus.Path()); err != nil {
+			t.Errorf("could not unlock collection '%v': %v", collectionName.String(), err.Error())
+		}
+	}
+
+	if stateChangeLock != !isLocked {
+		t.Errorf(
+			"flipped lock state for collection '%v' (locked: %v) is not opposite of original lock state (locked: %v)",
+			collectionName.String(), stateChangeLock, isLocked,
+		)
+	}
+}