[feature] tentatively start adding polls support (#2249)

.golangci.yml

@@ -14,7 +14,6 @@ run:
 linters:
   # enable some extra linters, see here for the list: https://golangci-lint.run/usage/linters/
   enable:
-    - forcetypeassert
     - goconst
     - gocritic
     - gofmt

internal/ap/collections.go

@@ -32,10 +32,10 @@ import (
 func ToCollectionPageIterator(t vocab.Type) (CollectionPageIterator, error) {
 	switch name := t.GetTypeName(); name {
 	case ObjectCollectionPage:
-		t := t.(vocab.ActivityStreamsCollectionPage) //nolint:forcetypeassert
+		t := t.(vocab.ActivityStreamsCollectionPage)
 		return WrapCollectionPage(t), nil
 	case ObjectOrderedCollectionPage:
-		t := t.(vocab.ActivityStreamsOrderedCollectionPage) //nolint:forcetypeassert
+		t := t.(vocab.ActivityStreamsOrderedCollectionPage)
 		return WrapOrderedCollectionPage(t), nil
 	default:
 		return nil, fmt.Errorf("%T(%s) was not CollectionPage-like", t, name)
@@ -74,7 +74,7 @@ func (iter *regularCollectionPageIterator) PrevPage() WithIRI {
 	return iter.GetActivityStreamsPrev()
 }
 
-func (iter *regularCollectionPageIterator) NextItem() IteratorItemable {
+func (iter *regularCollectionPageIterator) NextItem() TypeOrIRI {
 	if !iter.initItems() {
 		return nil
 	}
@@ -83,7 +83,7 @@ func (iter *regularCollectionPageIterator) NextItem() IteratorItemable {
 	return cur
 }
 
-func (iter *regularCollectionPageIterator) PrevItem() IteratorItemable {
+func (iter *regularCollectionPageIterator) PrevItem() TypeOrIRI {
 	if !iter.initItems() {
 		return nil
 	}
@@ -130,7 +130,7 @@ func (iter *orderedCollectionPageIterator) PrevPage() WithIRI {
 	return iter.GetActivityStreamsPrev()
 }
 
-func (iter *orderedCollectionPageIterator) NextItem() IteratorItemable {
+func (iter *orderedCollectionPageIterator) NextItem() TypeOrIRI {
 	if !iter.initItems() {
 		return nil
 	}
@@ -139,7 +139,7 @@ func (iter *orderedCollectionPageIterator) NextItem() IteratorItemable {
 	return cur
 }
 
-func (iter *orderedCollectionPageIterator) PrevItem() IteratorItemable {
+func (iter *orderedCollectionPageIterator) PrevItem() TypeOrIRI {
 	if !iter.initItems() {
 		return nil
 	}

internal/ap/extract.go

@@ -35,39 +35,56 @@ import (
 	"github.com/superseriousbusiness/gotosocial/internal/util"
 )
 
-// ExtractObject will extract an object vocab.Type from given implementing interface.
+// ExtractObjects will extract object vocab.Types from given implementing interface.
-func ExtractObject(with WithObject) vocab.Type {
+func ExtractObjects(with WithObject) []TypeOrIRI {
 	// Extract the attached object (if any).
-	obj := with.GetActivityStreamsObject()
+	objProp := with.GetActivityStreamsObject()
-	if obj == nil {
+	if objProp == nil {
 		return nil
 	}
 
-	// Only support single
+	// Check for zero len.
-	// objects (for now...)
+	if objProp.Len() == 0 {
-	if obj.Len() != 1 {
 		return nil
 	}
 
-	// Extract object vocab.Type.
+	// Accumulate all of the objects into a slice.
-	return obj.At(0).GetType()
+	objs := make([]TypeOrIRI, objProp.Len())
+	for i := 0; i < objProp.Len(); i++ {
+		objs[i] = objProp.At(i)
+	}
+
+	return objs
 }
 
 // ExtractActivityData will extract the usable data type (e.g. Note, Question, etc) and corresponding JSON, from activity.
-func ExtractActivityData(activity pub.Activity, rawJSON map[string]any) (vocab.Type, map[string]any, bool) {
+func ExtractActivityData(activity pub.Activity, rawJSON map[string]any) ([]TypeOrIRI, []any, bool) {
 	switch typeName := activity.GetTypeName(); {
 	// Activity (has "object").
 	case isActivity(typeName):
-		objType := ExtractObject(activity)
+		objTypes := ExtractObjects(activity)
-		if objType == nil {
+		if len(objTypes) == 0 {
 			return nil, nil, false
 		}
-		objJSON, _ := rawJSON["object"].(map[string]any)
+
-		return objType, objJSON, true
+		var objJSON []any
+		switch json := rawJSON["object"].(type) {
+		case nil:
+			// do nothing
+		case map[string]any:
+			// Wrap map in slice.
+			objJSON = []any{json}
+		case []any:
+			// Use existing slice.
+			objJSON = json
+		}
+
+		return objTypes, objJSON, true
 
 	// IntransitiveAcitivity (no "object").
 	case isIntransitiveActivity(typeName):
-		return activity, rawJSON, false
+		asTypeOrIRI := _TypeOrIRI{activity} // wrap activity.
+		return []TypeOrIRI{&asTypeOrIRI}, []any{rawJSON}, true
 
 	// Unknown.
 	default:

internal/ap/interfaces.go

@@ -247,14 +247,8 @@ type CollectionPageIterator interface {
 	NextPage() WithIRI
 	PrevPage() WithIRI
 
-	NextItem() IteratorItemable
+	NextItem() TypeOrIRI
-	PrevItem() IteratorItemable
+	PrevItem() TypeOrIRI
-}
-
-// IteratorItemable represents the minimum interface for an item in an iterator.
-type IteratorItemable interface {
-	WithIRI
-	WithType
 }
 
 // Flaggable represents the minimum interface for an activitystreams 'Flag' activity.
@@ -267,6 +261,12 @@ type Flaggable interface {
 	WithObject
 }
 
+// TypeOrIRI represents the minimum interface for something that may be a vocab.Type OR IRI.
+type TypeOrIRI interface {
+	WithIRI
+	WithType
+}
+
 // WithJSONLDId represents an activity with JSONLDIdProperty.
 type WithJSONLDId interface {
 	GetJSONLDId() vocab.JSONLDIdProperty

internal/ap/normalize.go

@@ -39,39 +39,33 @@ import (
 // This function is a noop if the type passed in is anything except a Create or Update with a Statusable or Accountable as its Object.
 func NormalizeIncomingActivity(activity pub.Activity, rawJSON map[string]interface{}) {
 	// From the activity extract the data vocab.Type + its "raw" JSON.
-	dataType, rawData, ok := ExtractActivityData(activity, rawJSON)
+	dataIfaces, rawData, ok := ExtractActivityData(activity, rawJSON)
-	if !ok {
+	if !ok || len(dataIfaces) != len(rawData) {
+		// non-equal lengths *shouldn't* happen,
+		// but this is just an integrity check.
 		return
 	}
 
-	switch dataType.GetTypeName() {
+	// Iterate over the available data.
-	// "Pollable" types.
+	for i, dataIface := range dataIfaces {
-	case ActivityQuestion:
+		// Try to get as vocab.Type, else
-		pollable, ok := dataType.(Pollable)
+		// skip this entry for normalization.
-		if !ok {
+		dataType := dataIface.GetType()
-			return
+		if dataType == nil {
+			continue
 		}
 
+		// Get the raw data map at index, else skip
+		// this entry due to impossible normalization.
+		rawData, ok := rawData[i].(map[string]any)
+		if !ok {
+			continue
+		}
+
+		if statusable, ok := ToStatusable(dataType); ok {
+			if pollable, ok := ToPollable(dataType); ok {
 				// Normalize the Pollable specific properties.
 				NormalizeIncomingPollOptions(pollable, rawData)
-
-		// Fallthrough to handle
-		// the rest as Statusable.
-		fallthrough
-
-	// "Statusable" types.
-	case ObjectArticle,
-		ObjectDocument,
-		ObjectImage,
-		ObjectVideo,
-		ObjectNote,
-		ObjectPage,
-		ObjectEvent,
-		ObjectPlace,
-		ObjectProfile:
-		statusable, ok := dataType.(Statusable)
-		if !ok {
-			return
 			}
 
 			// Normalize everything we can on the statusable.
@@ -79,20 +73,14 @@ func NormalizeIncomingActivity(activity pub.Activity, rawJSON map[string]interfa
 			NormalizeIncomingAttachments(statusable, rawData)
 			NormalizeIncomingSummary(statusable, rawData)
 			NormalizeIncomingName(statusable, rawData)
-
+			continue
-	// "Accountable" types.
-	case ActorApplication,
-		ActorGroup,
-		ActorOrganization,
-		ActorPerson,
-		ActorService:
-		accountable, ok := dataType.(Accountable)
-		if !ok {
-			return
 		}
 
+		if accountable, ok := ToAccountable(dataType); ok {
 			// Normalize everything we can on the accountable.
 			NormalizeIncomingSummary(accountable, rawData)
+			continue
+		}
 	}
 }
 

internal/ap/util.go

@@ -0,0 +1,43 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package ap
+
+import (
+	"net/url"
+
+	"github.com/superseriousbusiness/activity/streams/vocab"
+)
+
+// _TypeOrIRI wraps a vocab.Type to implement TypeOrIRI.
+type _TypeOrIRI struct {
+	vocab.Type
+}
+
+func (t *_TypeOrIRI) GetType() vocab.Type {
+	return t.Type
+}
+
+func (t *_TypeOrIRI) GetIRI() *url.URL {
+	return nil
+}
+
+func (t *_TypeOrIRI) IsIRI() bool {
+	return false
+}
+
+func (t *_TypeOrIRI) SetIRI(*url.URL) {}

internal/api/client/admin/domainpermission.go

@@ -144,7 +144,6 @@ func (m *Module) createDomainPermissions(
 	if multiStatus.Metadata.Failure != 0 {
 		failures := make(map[string]any, multiStatus.Metadata.Failure)
 		for _, entry := range multiStatus.Data {
-			// nolint:forcetypeassert
 			failures[entry.Resource.(string)] = entry.Message
 		}
 

internal/api/client/statuses/statuscreate_test.go

@@ -290,7 +290,7 @@ func (suite *StatusCreateTestSuite) TestReplyToNonexistentStatus() {
 	defer result.Body.Close()
 	b, err := ioutil.ReadAll(result.Body)
 	suite.NoError(err)
-	suite.Equal(`{"error":"Bad Request: status with id 3759e7ef-8ee1-4c0c-86f6-8b70b9ad3d50 not replyable because it doesn't exist"}`, string(b))
+	suite.Equal(`{"error":"Bad Request: cannot reply to status that does not exist"}`, string(b))
 }
 
 // Post a reply to the status of a local user that allows replies.

internal/federation/dereferencing/status.go

@@ -288,8 +288,8 @@ func (d *deref) enrichStatus(
 		return nil, nil, gtserror.Newf("error populating mentions for status %s: %w", uri, err)
 	}
 
-	// Ensure the status' tags are populated.
+	// Ensure the status' tags are populated, (changes are expected / okay).
-	if err := d.fetchStatusTags(ctx, requestUser, latestStatus); err != nil {
+	if err := d.fetchStatusTags(ctx, latestStatus); err != nil {
 		return nil, nil, gtserror.Newf("error populating tags for status %s: %w", uri, err)
 	}
 
@@ -298,8 +298,8 @@ func (d *deref) enrichStatus(
 		return nil, nil, gtserror.Newf("error populating attachments for status %s: %w", uri, err)
 	}
 
-	// Ensure the status' emoji attachments are populated, passing in existing to check for changes.
+	// Ensure the status' emoji attachments are populated, (changes are expected / okay).
-	if err := d.fetchStatusEmojis(ctx, requestUser, status, latestStatus); err != nil {
+	if err := d.fetchStatusEmojis(ctx, requestUser, latestStatus); err != nil {
 		return nil, nil, gtserror.Newf("error populating emojis for status %s: %w", uri, err)
 	}
 
@@ -359,6 +359,8 @@ func (d *deref) fetchStatusMentions(ctx context.Context, requestUser string, exi
 		}
 
 		// Generate new ID according to status creation.
+		// TODO: update this to use "edited_at" when we add
+		//       support for edited status revision history.
 		mention.ID, err = id.NewULIDFromTime(status.CreatedAt)
 		if err != nil {
 			log.Errorf(ctx, "invalid created at date: %v", err)
@@ -403,7 +405,7 @@ func (d *deref) fetchStatusMentions(ctx context.Context, requestUser string, exi
 	return nil
 }
 
-func (d *deref) fetchStatusTags(ctx context.Context, requestUser string, status *gtsmodel.Status) error {
+func (d *deref) fetchStatusTags(ctx context.Context, status *gtsmodel.Status) error {
 	// Allocate new slice to take the yet-to-be determined tag IDs.
 	status.TagIDs = make([]string, len(status.Tags))
 
@@ -417,13 +419,14 @@ func (d *deref) fetchStatusTags(ctx context.Context, requestUser string, status
 			continue
 		}
 
-		// No tag with this name yet, create it.
 		if tag == nil {
+			// Create new ID for tag name.
 			tag = &gtsmodel.Tag{
 				ID:   id.NewULID(),
 				Name: placeholder.Name,
 			}
 
+			// Insert this tag with new name into the database.
 			if err := d.state.DB.PutTag(ctx, tag); err != nil {
 				log.Errorf(ctx, "db error putting tag %s: %v", tag.Name, err)
 				continue
@@ -516,7 +519,7 @@ func (d *deref) fetchStatusAttachments(ctx context.Context, tsport transport.Tra
 	return nil
 }
 
-func (d *deref) fetchStatusEmojis(ctx context.Context, requestUser string, existing, status *gtsmodel.Status) error {
+func (d *deref) fetchStatusEmojis(ctx context.Context, requestUser string, status *gtsmodel.Status) error {
 	// Fetch the full-fleshed-out emoji objects for our status.
 	emojis, err := d.populateEmojis(ctx, status.Emojis, requestUser)
 	if err != nil {

internal/federation/federatingdb/accept.go

@@ -46,27 +46,68 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
 		return nil // Already processed.
 	}
 
-	acceptObject := accept.GetActivityStreamsObject()
+	// Iterate all provided objects in the activity.
-	if acceptObject == nil {
+	for _, object := range ap.ExtractObjects(accept) {
-		return errors.New("ACCEPT: no object set on vocab.ActivityStreamsAccept")
+
+		// Check and handle any vocab.Type objects.
+		if objType := object.GetType(); objType != nil {
+			switch objType.GetTypeName() { //nolint:gocritic
+
+			case ap.ActivityFollow:
+				// Cast the vocab.Type object to known AS type.
+				asFollow := objType.(vocab.ActivityStreamsFollow)
+
+				// convert the follow to something we can understand
+				gtsFollow, err := f.converter.ASFollowToFollow(ctx, asFollow)
+				if err != nil {
+					return fmt.Errorf("ACCEPT: error converting asfollow to gtsfollow: %s", err)
 				}
 
-	for iter := acceptObject.Begin(); iter != acceptObject.End(); iter = iter.Next() {
+				// make sure the addressee of the original follow is the same as whatever inbox this landed in
-		// check if the object is an IRI
+				if gtsFollow.AccountID != receivingAccount.ID {
-		if iter.IsIRI() {
+					return errors.New("ACCEPT: follow object account and inbox account were not the same")
-			// we have just the URI of whatever is being accepted, so we need to find out what it is
+				}
-			acceptedObjectIRI := iter.GetIRI()
+
-			if uris.IsFollowPath(acceptedObjectIRI) {
+				follow, err := f.state.DB.AcceptFollowRequest(ctx, gtsFollow.AccountID, gtsFollow.TargetAccountID)
-				// ACCEPT FOLLOW
-				followReq, err := f.state.DB.GetFollowRequestByURI(ctx, acceptedObjectIRI.String())
 				if err != nil {
-					return fmt.Errorf("ACCEPT: couldn't get follow request with id %s from the database: %s", acceptedObjectIRI.String(), err)
+					return err
+				}
+
+				f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
+					APObjectType:     ap.ActivityFollow,
+					APActivityType:   ap.ActivityAccept,
+					GTSModel:         follow,
+					ReceivingAccount: receivingAccount,
+				})
+			}
+
+			continue
+		}
+
+		// Check and handle any
+		// IRI type objects.
+		if object.IsIRI() {
+
+			// Extract IRI from object.
+			iri := object.GetIRI()
+			if !uris.IsFollowPath(iri) {
+				continue
+			}
+
+			// Serialize IRI.
+			iriStr := iri.String()
+
+			// ACCEPT FOLLOW
+			followReq, err := f.state.DB.GetFollowRequestByURI(ctx, iriStr)
+			if err != nil {
+				return fmt.Errorf("ACCEPT: couldn't get follow request with id %s from the database: %s", iriStr, err)
 			}
 
 			// make sure the addressee of the original follow is the same as whatever inbox this landed in
 			if followReq.AccountID != receivingAccount.ID {
 				return errors.New("ACCEPT: follow object account and inbox account were not the same")
 			}
+
 			follow, err := f.state.DB.AcceptFollowRequest(ctx, followReq.AccountID, followReq.TargetAccountID)
 			if err != nil {
 				return err
@@ -79,43 +120,9 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
 				ReceivingAccount: receivingAccount,
 			})
 
-				return nil
-			}
-		}
-
-		// check if iter is an AP object / type
-		if iter.GetType() == nil {
 			continue
 		}
-		if iter.GetType().GetTypeName() == ap.ActivityFollow {
-			// ACCEPT FOLLOW
-			asFollow, ok := iter.GetType().(vocab.ActivityStreamsFollow)
-			if !ok {
-				return errors.New("ACCEPT: couldn't parse follow into vocab.ActivityStreamsFollow")
-			}
-			// convert the follow to something we can understand
-			gtsFollow, err := f.converter.ASFollowToFollow(ctx, asFollow)
-			if err != nil {
-				return fmt.Errorf("ACCEPT: error converting asfollow to gtsfollow: %s", err)
-			}
-			// make sure the addressee of the original follow is the same as whatever inbox this landed in
-			if gtsFollow.AccountID != receivingAccount.ID {
-				return errors.New("ACCEPT: follow object account and inbox account were not the same")
-			}
-			follow, err := f.state.DB.AcceptFollowRequest(ctx, gtsFollow.AccountID, gtsFollow.TargetAccountID)
-			if err != nil {
-				return err
-			}
 
-			f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
-				APObjectType:     ap.ActivityFollow,
-				APActivityType:   ap.ActivityAccept,
-				GTSModel:         follow,
-				ReceivingAccount: receivingAccount,
-			})
-
-			return nil
-		}
 	}
 
 	return nil

internal/federation/federatingdb/create.go

@@ -81,6 +81,7 @@ func (f *federatingDB) Create(ctx context.Context, asType vocab.Type) error {
 		// FLAG / REPORT SOMETHING
 		return f.activityFlag(ctx, asType, receivingAccount, requestingAccount)
 	}
+
 	return nil
 }
 
@@ -111,6 +112,7 @@ func (f *federatingDB) activityBlock(ctx context.Context, asType vocab.Type, rec
 		GTSModel:         block,
 		ReceivingAccount: receiving,
 	})
+
 	return nil
 }
 
@@ -132,37 +134,19 @@ func (f *federatingDB) activityCreate(
 		return gtserror.Newf("could not convert asType %T to ActivityStreamsCreate", asType)
 	}
 
-	// Create must have an Object.
+	for _, object := range ap.ExtractObjects(create) {
-	objectProp := create.GetActivityStreamsObject()
+		// Try to get object as vocab.Type,
-	if objectProp == nil {
+		// else skip handling (likely) IRI.
-		return gtserror.New("create had no Object")
+		objType := object.GetType()
-	}
+		if objType == nil {
-
-	// Iterate through the Object property and process FIRST provided statusable.
-	// todo: https://github.com/superseriousbusiness/gotosocial/issues/1905
-	for iter := objectProp.Begin(); iter != objectProp.End(); iter = iter.Next() {
-		object := iter.GetType()
-		if object == nil {
-			// Can't do Create with Object that's just a URI.
-			// Warn log this because it's an AP error.
-			log.Warn(ctx, "object entry was not a type: %[1]T%[1]+v", iter)
 			continue
 		}
 
-		// Ensure given object type is a statusable.
+		if statusable, ok := ap.ToStatusable(objType); ok {
-		statusable, ok := object.(ap.Statusable)
+			return f.createStatusable(ctx, statusable, receivingAccount, requestingAccount)
-		if !ok {
-			// Can't (currently) Create anything other than a Statusable. ([1] is a format arg index)
-			log.Debugf(ctx, "object entry type (currently) unsupported: %[1]T%[1]+v", object)
-			continue
 		}
 
-		// Handle creation of statusable.
+		// TODO: handle CREATE of other types?
-		return f.createStatusable(ctx,
-			statusable,
-			receivingAccount,
-			requestingAccount,
-		)
 	}
 
 	return nil

internal/federation/federatingdb/db.go

@@ -34,6 +34,7 @@ type DB interface {
 	Accept(ctx context.Context, accept vocab.ActivityStreamsAccept) error
 	Reject(ctx context.Context, reject vocab.ActivityStreamsReject) error
 	Announce(ctx context.Context, announce vocab.ActivityStreamsAnnounce) error
+	Question(ctx context.Context, question vocab.ActivityStreamsQuestion) error
 }
 
 // FederatingDB uses the underlying DB interface to implement the go-fed pub.Database interface.

internal/federation/federatingdb/question.go

@@ -0,0 +1,32 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package federatingdb
+
+import (
+	"context"
+
+	"github.com/superseriousbusiness/activity/streams/vocab"
+)
+
+func (f *federatingDB) Question(ctx context.Context, question vocab.ActivityStreamsQuestion) error {
+	receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
+	if internal {
+		return nil // Already processed.
+	}
+	return f.createStatusable(ctx, question, receivingAccount, requestingAccount)
+}

internal/federation/federatingdb/undo.go

@@ -27,6 +27,7 @@ import (
 	"github.com/superseriousbusiness/gotosocial/internal/ap"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 )
@@ -48,31 +49,31 @@ func (f *federatingDB) Undo(ctx context.Context, undo vocab.ActivityStreamsUndo)
 		return nil // Already processed.
 	}
 
-	undoObject := undo.GetActivityStreamsObject()
+	var errs gtserror.MultiError
-	if undoObject == nil {
-		return errors.New("UNDO: no object set on vocab.ActivityStreamsUndo")
-	}
 
-	for iter := undoObject.Begin(); iter != undoObject.End(); iter = iter.Next() {
+	for _, object := range ap.ExtractObjects(undo) {
-		t := iter.GetType()
+		// Try to get object as vocab.Type,
-		if t == nil {
+		// else skip handling (likely) IRI.
+		objType := object.GetType()
+		if objType == nil {
 			continue
 		}
 
-		switch t.GetTypeName() {
+		switch objType.GetTypeName() {
 		case ap.ActivityFollow:
-			if err := f.undoFollow(ctx, receivingAccount, undo, t); err != nil {
+			if err := f.undoFollow(ctx, receivingAccount, undo, objType); err != nil {
-				return err
+				errs.Appendf("error undoing follow: %w", err)
 			}
 		case ap.ActivityLike:
-			if err := f.undoLike(ctx, receivingAccount, undo, t); err != nil {
+			if err := f.undoLike(ctx, receivingAccount, undo, objType); err != nil {
-				return err
+				errs.Appendf("error undoing like: %w", err)
 			}
 		case ap.ActivityAnnounce:
-			// todo: undo boost / reblog / announce
+			// TODO: actually handle this !
+			log.Warn(ctx, "skipped undo announce")
 		case ap.ActivityBlock:
-			if err := f.undoBlock(ctx, receivingAccount, undo, t); err != nil {
+			if err := f.undoBlock(ctx, receivingAccount, undo, objType); err != nil {
-				return err
+				errs.Appendf("error undoing block: %w", err)
 			}
 		}
 	}

internal/federation/federatingdb/update.go

@@ -56,21 +56,18 @@ func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error {
 		return nil // Already processed.
 	}
 
-	switch asType.GetTypeName() {
+	if accountable, ok := ap.ToAccountable(asType); ok {
-	case ap.ActorApplication, ap.ActorGroup, ap.ActorOrganization, ap.ActorPerson, ap.ActorService:
+		return f.updateAccountable(ctx, receivingAccount, requestingAccount, accountable)
-		return f.updateAccountable(ctx, receivingAccount, requestingAccount, asType)
+	}
+
+	if statusable, ok := ap.ToStatusable(asType); ok {
+		return f.updateStatusable(ctx, receivingAccount, requestingAccount, statusable)
 	}
 
 	return nil
 }
 
-func (f *federatingDB) updateAccountable(ctx context.Context, receivingAcct *gtsmodel.Account, requestingAcct *gtsmodel.Account, asType vocab.Type) error {
+func (f *federatingDB) updateAccountable(ctx context.Context, receivingAcct *gtsmodel.Account, requestingAcct *gtsmodel.Account, accountable ap.Accountable) error {
-	// Ensure delivered asType is a valid Accountable model.
-	accountable, ok := asType.(ap.Accountable)
-	if !ok {
-		return gtserror.Newf("could not convert vocab.Type %T to Accountable", asType)
-	}
-
 	// Extract AP URI of the updated Accountable model.
 	idProp := accountable.GetJSONLDId()
 	if idProp == nil || !idProp.IsIRI() {
@@ -103,3 +100,43 @@ func (f *federatingDB) updateAccountable(ctx context.Context, receivingAcct *gts
 
 	return nil
 }
+
+func (f *federatingDB) updateStatusable(ctx context.Context, receivingAcct *gtsmodel.Account, requestingAcct *gtsmodel.Account, statusable ap.Statusable) error {
+	// Extract AP URI of the updated model.
+	idProp := statusable.GetJSONLDId()
+	if idProp == nil || !idProp.IsIRI() {
+		return gtserror.New("invalid id prop")
+	}
+
+	// Get the status URI string for lookups.
+	statusURI := idProp.GetIRI()
+	statusURIStr := statusURI.String()
+
+	// Don't try to update local statuses.
+	if statusURI.Host == config.GetHost() {
+		return nil
+	}
+
+	// Get the status we have on file for this URI string.
+	status, err := f.state.DB.GetStatusByURI(ctx, statusURIStr)
+	if err != nil {
+		return gtserror.Newf("error fetching status from db: %w", err)
+	}
+
+	// Check that update was by the status author.
+	if status.AccountID != requestingAcct.ID {
+		return gtserror.Newf("update for %s was not requested by author", statusURIStr)
+	}
+
+	// Queue an UPDATE NOTE activity to our fedi API worker,
+	// this will handle necessary database insertions, etc.
+	f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
+		APObjectType:     ap.ObjectNote,
+		APActivityType:   ap.ActivityUpdate,
+		GTSModel:         status, // original status
+		APObjectModel:    statusable,
+		ReceivingAccount: receivingAcct,
+	})
+
+	return nil
+}

internal/federation/federatingprotocol.go

@@ -522,6 +522,9 @@ func (f *federator) FederatingCallbacks(ctx context.Context) (wrapped pub.Federa
 		func(ctx context.Context, announce vocab.ActivityStreamsAnnounce) error {
 			return f.FederatingDB().Announce(ctx, announce)
 		},
+		func(ctx context.Context, question vocab.ActivityStreamsQuestion) error {
+			return f.FederatingDB().Question(ctx, question)
+		},
 	}
 
 	return

internal/processing/status/create.go

@@ -34,70 +34,75 @@ import (
 	"github.com/superseriousbusiness/gotosocial/internal/text"
 	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
 	"github.com/superseriousbusiness/gotosocial/internal/uris"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
 )
 
 // Create processes the given form to create a new status, returning the api model representation of that status if it's OK.
 //
 // Precondition: the form's fields should have already been validated and normalized by the caller.
-func (p *Processor) Create(ctx context.Context, account *gtsmodel.Account, application *gtsmodel.Application, form *apimodel.AdvancedStatusCreateForm) (*apimodel.Status, gtserror.WithCode) {
+func (p *Processor) Create(ctx context.Context, requestingAccount *gtsmodel.Account, application *gtsmodel.Application, form *apimodel.AdvancedStatusCreateForm) (*apimodel.Status, gtserror.WithCode) {
-	accountURIs := uris.GenerateURIsForAccount(account.Username)
+	// Generate new ID for status.
-	thisStatusID := id.NewULID()
+	statusID := id.NewULID()
-	local := true
-	sensitive := form.Sensitive
 
-	newStatus := &gtsmodel.Status{
+	// Generate necessary URIs for username, to build status URIs.
-		ID:                       thisStatusID,
+	accountURIs := uris.GenerateURIsForAccount(requestingAccount.Username)
-		URI:                      accountURIs.StatusesURI + "/" + thisStatusID,
+
-		URL:                      accountURIs.StatusesURL + "/" + thisStatusID,
+	// Get current time.
-		CreatedAt:                time.Now(),
+	now := time.Now()
-		UpdatedAt:                time.Now(),
+
-		Local:                    &local,
+	status := &gtsmodel.Status{
-		AccountID:                account.ID,
+		ID:                       statusID,
-		AccountURI:               account.URI,
+		URI:                      accountURIs.StatusesURI + "/" + statusID,
-		ContentWarning:           text.SanitizeToPlaintext(form.SpoilerText),
+		URL:                      accountURIs.StatusesURL + "/" + statusID,
+		CreatedAt:                now,
+		UpdatedAt:                now,
+		Local:                    util.Ptr(true),
+		Account:                  requestingAccount,
+		AccountID:                requestingAccount.ID,
+		AccountURI:               requestingAccount.URI,
 		ActivityStreamsType:      ap.ObjectNote,
-		Sensitive:                &sensitive,
+		Sensitive:                &form.Sensitive,
 		CreatedWithApplicationID: application.ID,
 		Text:                     form.Status,
 	}
 
-	if errWithCode := processReplyToID(ctx, p.state.DB, form, account.ID, newStatus); errWithCode != nil {
+	if errWithCode := p.processReplyToID(ctx, form, requestingAccount.ID, status); errWithCode != nil {
 		return nil, errWithCode
 	}
 
-	if errWithCode := processMediaIDs(ctx, p.state.DB, form, account.ID, newStatus); errWithCode != nil {
+	if errWithCode := p.processMediaIDs(ctx, form, requestingAccount.ID, status); errWithCode != nil {
 		return nil, errWithCode
 	}
 
-	if err := processVisibility(ctx, form, account.Privacy, newStatus); err != nil {
+	if err := processVisibility(form, requestingAccount.Privacy, status); err != nil {
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
-	if err := processLanguage(ctx, form, account.Language, newStatus); err != nil {
+	if err := processLanguage(form, requestingAccount.Language, status); err != nil {
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
-	if err := processContent(ctx, p.state.DB, p.formatter, p.parseMention, form, account.ID, newStatus); err != nil {
+	if err := p.processContent(ctx, p.parseMention, form, status); err != nil {
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
-	// put the new status in the database
+	// Insert this new status in the database.
-	if err := p.state.DB.PutStatus(ctx, newStatus); err != nil {
+	if err := p.state.DB.PutStatus(ctx, status); err != nil {
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
-	// send it back to the processor for async processing
+	// send it back to the client API worker for async side-effects.
 	p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
 		APObjectType:   ap.ObjectNote,
 		APActivityType: ap.ActivityCreate,
-		GTSModel:       newStatus,
+		GTSModel:       status,
-		OriginAccount:  account,
+		OriginAccount:  requestingAccount,
 	})
 
-	return p.apiStatus(ctx, newStatus, account)
+	return p.apiStatus(ctx, status, requestingAccount)
 }
 
-func processReplyToID(ctx context.Context, dbService db.DB, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
+func (p *Processor) processReplyToID(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
 	if form.InReplyToID == "" {
 		return nil
 	}
@@ -109,78 +114,74 @@ func processReplyToID(ctx context.Context, dbService db.DB, form *apimodel.Advan
 	// 3. Does a block exist between either the current account or the account that posted the status it's replying to?
 	//
 	// If this is all OK, then we fetch the repliedStatus and the repliedAccount for later processing.
-	repliedStatus := &gtsmodel.Status{}
-	repliedAccount := &gtsmodel.Account{}
 
-	if err := dbService.GetByID(ctx, form.InReplyToID, repliedStatus); err != nil {
+	inReplyTo, err := p.state.DB.GetStatusByID(ctx, form.InReplyToID)
-		if err == db.ErrNoEntries {
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
-			err := fmt.Errorf("status with id %s not replyable because it doesn't exist", form.InReplyToID)
+		err := gtserror.Newf("error fetching status %s from db: %w", form.InReplyToID, err)
-			return gtserror.NewErrorBadRequest(err, err.Error())
-		}
-		err := fmt.Errorf("db error fetching status with id %s: %s", form.InReplyToID, err)
-		return gtserror.NewErrorInternalError(err)
-	}
-	if !*repliedStatus.Replyable {
-		err := fmt.Errorf("status with id %s is marked as not replyable", form.InReplyToID)
-		return gtserror.NewErrorForbidden(err, err.Error())
-	}
-
-	if err := dbService.GetByID(ctx, repliedStatus.AccountID, repliedAccount); err != nil {
-		if err == db.ErrNoEntries {
-			err := fmt.Errorf("status with id %s not replyable because account id %s is not known", form.InReplyToID, repliedStatus.AccountID)
-			return gtserror.NewErrorBadRequest(err, err.Error())
-		}
-		err := fmt.Errorf("db error fetching account with id %s: %s", repliedStatus.AccountID, err)
 		return gtserror.NewErrorInternalError(err)
 	}
 
-	if blocked, err := dbService.IsEitherBlocked(ctx, thisAccountID, repliedAccount.ID); err != nil {
+	if inReplyTo == nil {
-		err := fmt.Errorf("db error checking block: %s", err)
+		const text = "cannot reply to status that does not exist"
+		return gtserror.NewErrorBadRequest(errors.New(text), text)
+	}
+
+	if !*inReplyTo.Replyable {
+		text := fmt.Sprintf("status %s is marked as not replyable", form.InReplyToID)
+		return gtserror.NewErrorForbidden(errors.New(text), text)
+	}
+
+	if blocked, err := p.state.DB.IsEitherBlocked(ctx, thisAccountID, inReplyTo.AccountID); err != nil {
+		err := gtserror.Newf("error checking block in db: %w", err)
 		return gtserror.NewErrorInternalError(err)
 	} else if blocked {
-		err := fmt.Errorf("status with id %s not replyable", form.InReplyToID)
+		text := fmt.Sprintf("status %s is not replyable", form.InReplyToID)
-		return gtserror.NewErrorNotFound(err)
+		return gtserror.NewErrorNotFound(errors.New(text), text)
 	}
 
-	status.InReplyToID = repliedStatus.ID
+	// Set status fields from inReplyTo.
-	status.InReplyToURI = repliedStatus.URI
+	status.InReplyToID = inReplyTo.ID
-	status.InReplyToAccountID = repliedAccount.ID
+	status.InReplyToURI = inReplyTo.URI
+	status.InReplyToAccountID = inReplyTo.AccountID
 
 	return nil
 }
 
-func processMediaIDs(ctx context.Context, dbService db.DB, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
+func (p *Processor) processMediaIDs(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
 	if form.MediaIDs == nil {
 		return nil
 	}
 
+	// Get minimum allowed char descriptions.
+	minChars := config.GetMediaDescriptionMinChars()
+
 	attachments := []*gtsmodel.MediaAttachment{}
 	attachmentIDs := []string{}
 	for _, mediaID := range form.MediaIDs {
-		attachment, err := dbService.GetAttachmentByID(ctx, mediaID)
+		attachment, err := p.state.DB.GetAttachmentByID(ctx, mediaID)
-		if err != nil {
+		if err != nil && !errors.Is(err, db.ErrNoEntries) {
-			if errors.Is(err, db.ErrNoEntries) {
+			err := gtserror.Newf("error fetching media from db: %w", err)
-				err = fmt.Errorf("ProcessMediaIDs: media not found for media id %s", mediaID)
-				return gtserror.NewErrorBadRequest(err, err.Error())
-			}
-			err = fmt.Errorf("ProcessMediaIDs: db error for media id %s", mediaID)
 			return gtserror.NewErrorInternalError(err)
 		}
 
+		if attachment == nil {
+			text := fmt.Sprintf("media %s not found", mediaID)
+			return gtserror.NewErrorBadRequest(errors.New(text), text)
+		}
+
 		if attachment.AccountID != thisAccountID {
-			err = fmt.Errorf("ProcessMediaIDs: media with id %s does not belong to account %s", mediaID, thisAccountID)
+			text := fmt.Sprintf("media %s does not belong to account", mediaID)
-			return gtserror.NewErrorBadRequest(err, err.Error())
+			return gtserror.NewErrorBadRequest(errors.New(text), text)
 		}
 
 		if attachment.StatusID != "" || attachment.ScheduledStatusID != "" {
-			err = fmt.Errorf("ProcessMediaIDs: media with id %s is already attached to a status", mediaID)
+			text := fmt.Sprintf("media %s already attached to status", mediaID)
-			return gtserror.NewErrorBadRequest(err, err.Error())
+			return gtserror.NewErrorBadRequest(errors.New(text), text)
 		}
 
-		minDescriptionChars := config.GetMediaDescriptionMinChars()
+		if length := len([]rune(attachment.Description)); length < minChars {
-		if descriptionLength := len([]rune(attachment.Description)); descriptionLength < minDescriptionChars {
+			text := fmt.Sprintf("media %s description too short, at least %d required", mediaID, minChars)
-			err = fmt.Errorf("ProcessMediaIDs: description too short! media description of at least %d chararacters is required but %d was provided for media with id %s", minDescriptionChars, descriptionLength, mediaID)
+			return gtserror.NewErrorBadRequest(errors.New(text), text)
-			return gtserror.NewErrorBadRequest(err, err.Error())
 		}
 
 		attachments = append(attachments, attachment)
@@ -192,7 +193,7 @@ func processMediaIDs(ctx context.Context, dbService db.DB, form *apimodel.Advanc
 	return nil
 }
 
-func processVisibility(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountDefaultVis gtsmodel.Visibility, status *gtsmodel.Status) error {
+func processVisibility(form *apimodel.AdvancedStatusCreateForm, accountDefaultVis gtsmodel.Visibility, status *gtsmodel.Status) error {
 	// by default all flags are set to true
 	federated := true
 	boostable := true
@@ -265,7 +266,7 @@ func processVisibility(ctx context.Context, form *apimodel.AdvancedStatusCreateF
 	return nil
 }
 
-func processLanguage(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountDefaultLanguage string, status *gtsmodel.Status) error {
+func processLanguage(form *apimodel.AdvancedStatusCreateForm, accountDefaultLanguage string, status *gtsmodel.Status) error {
 	if form.Language != "" {
 		status.Language = form.Language
 	} else {
@@ -277,68 +278,80 @@ func processLanguage(ctx context.Context, form *apimodel.AdvancedStatusCreateFor
 	return nil
 }
 
-func processContent(ctx context.Context, dbService db.DB, formatter *text.Formatter, parseMention gtsmodel.ParseMentionFunc, form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
+func (p *Processor) processContent(ctx context.Context, parseMention gtsmodel.ParseMentionFunc, form *apimodel.AdvancedStatusCreateForm, status *gtsmodel.Status) error {
-	// if there's nothing in the status at all we can just return early
-	if form.Status == "" {
-		status.Content = ""
-		return nil
-	}
-
-	// if content type wasn't specified we should try to figure out what content type this user prefers
 	if form.ContentType == "" {
-		acct, err := dbService.GetAccountByID(ctx, accountID)
+		// If content type wasn't specified, use the author's preferred content-type.
-		if err != nil {
+		contentType := apimodel.StatusContentType(status.Account.StatusContentType)
-			return fmt.Errorf("error processing new content: couldn't retrieve account from db to check post format: %s", err)
+		form.ContentType = contentType
 	}
 
-		switch acct.StatusContentType {
+	// format is the currently set text formatting
-		case "text/plain":
+	// function, according to the provided content-type.
-			form.ContentType = apimodel.StatusContentTypePlain
+	var format text.FormatFunc
-		case "text/markdown":
+
-			form.ContentType = apimodel.StatusContentTypeMarkdown
+	// formatInput is a shorthand function to format the given input string with the
-		default:
+	// currently set 'formatFunc', passing in all required args and returning result.
-			form.ContentType = apimodel.StatusContentTypeDefault
+	formatInput := func(formatFunc text.FormatFunc, input string) *text.FormatResult {
-		}
+		return formatFunc(ctx, parseMention, status.AccountID, status.ID, input)
 	}
 
-	// parse content out of the status depending on what content type has been submitted
-	var f text.FormatFunc
 	switch form.ContentType {
+	// None given / set,
+	// use default (plain).
+	case "":
+		fallthrough
+
+	// Format status according to text/plain.
 	case apimodel.StatusContentTypePlain:
-		f = formatter.FromPlain
+		format = p.formatter.FromPlain
+
+	// Format status according to text/markdown.
 	case apimodel.StatusContentTypeMarkdown:
-		f = formatter.FromMarkdown
+		format = p.formatter.FromMarkdown
+
+	// Unknown.
 	default:
-		return fmt.Errorf("format %s not recognised as a valid status format", form.ContentType)
+		return fmt.Errorf("invalid status format: %q", form.ContentType)
-	}
-	formatted := f(ctx, parseMention, accountID, status.ID, form.Status)
-
-	// add full populated gts {mentions, tags, emojis} to the status for passing them around conveniently
-	// add just their ids to the status for putting in the db
-	status.Mentions = formatted.Mentions
-	status.MentionIDs = make([]string, 0, len(formatted.Mentions))
-	for _, gtsmention := range formatted.Mentions {
-		status.MentionIDs = append(status.MentionIDs, gtsmention.ID)
 	}
 
-	status.Tags = formatted.Tags
+	// Sanitize status text and format.
-	status.TagIDs = make([]string, 0, len(formatted.Tags))
+	contentRes := formatInput(format, form.Status)
-	for _, gtstag := range formatted.Tags {
-		status.TagIDs = append(status.TagIDs, gtstag.ID)
-	}
 
-	status.Emojis = formatted.Emojis
+	// Collect formatted results.
-	status.EmojiIDs = make([]string, 0, len(formatted.Emojis))
+	status.Content = contentRes.HTML
-	for _, gtsemoji := range formatted.Emojis {
+	status.Mentions = append(status.Mentions, contentRes.Mentions...)
-		status.EmojiIDs = append(status.EmojiIDs, gtsemoji.ID)
+	status.Emojis = append(status.Emojis, contentRes.Emojis...)
-	}
+	status.Tags = append(status.Tags, contentRes.Tags...)
 
-	spoilerformatted := formatter.FromPlainEmojiOnly(ctx, parseMention, accountID, status.ID, form.SpoilerText)
+	// From here-on-out just use emoji-only
-	for _, gtsemoji := range spoilerformatted.Emojis {
+	// plain-text formatting as the FormatFunc.
-		status.Emojis = append(status.Emojis, gtsemoji)
+	format = p.formatter.FromPlainEmojiOnly
-		status.EmojiIDs = append(status.EmojiIDs, gtsemoji.ID)
+
-	}
+	// Sanitize content warning and format.
+	spoiler := text.SanitizeToPlaintext(form.SpoilerText)
+	warningRes := formatInput(format, spoiler)
+
+	// Collect formatted results.
+	status.ContentWarning = warningRes.HTML
+	status.Emojis = append(status.Emojis, warningRes.Emojis...)
+
+	// Gather all the database IDs from each of the gathered status mentions, tags, and emojis.
+	status.MentionIDs = gatherIDs(status.Mentions, func(mention *gtsmodel.Mention) string { return mention.ID })
+	status.TagIDs = gatherIDs(status.Tags, func(tag *gtsmodel.Tag) string { return tag.ID })
+	status.EmojiIDs = gatherIDs(status.Emojis, func(emoji *gtsmodel.Emoji) string { return emoji.ID })
 
-	status.Content = formatted.HTML
 	return nil
 }
+
+// gatherIDs is a small utility function to gather IDs from a slice of type T.
+func gatherIDs[T any](in []T, getID func(T) string) []string {
+	if getID == nil {
+		// move nil check out loop.
+		panic("nil getID function")
+	}
+	ids := make([]string, len(in))
+	for i, t := range in {
+		ids[i] = getID(t)
+	}
+	return ids
+}

internal/processing/status/create_test.go

@@ -204,7 +204,7 @@ func (suite *StatusCreateTestSuite) TestProcessMediaDescriptionTooShort() {
 	}
 
 	apiStatus, err := suite.status.Create(ctx, creatingAccount, creatingApplication, statusCreateForm)
-	suite.EqualError(err, "ProcessMediaIDs: description too short! media description of at least 100 chararacters is required but 15 was provided for media with id 01F8MH8RMYQ6MSNY3JM2XT1CQ5")
+	suite.EqualError(err, "media 01F8MH8RMYQ6MSNY3JM2XT1CQ5 description too short, at least 100 required")
 	suite.Nil(apiStatus)
 }
 

internal/processing/stream/stream.go

@@ -46,7 +46,7 @@ func (p *Processor) toAccount(payload string, event string, streamTypes []string
 	if !ok {
 		return nil // No entry = nothing to stream.
 	}
-	streamsForAccount := v.(*stream.StreamsForAccount) //nolint:forcetypeassert
+	streamsForAccount := v.(*stream.StreamsForAccount)
 
 	streamsForAccount.Lock()
 	defer streamsForAccount.Unlock()

internal/processing/workers/federate.go

@@ -147,27 +147,27 @@ func (f *federate) CreateStatus(ctx context.Context, status *gtsmodel.Status) er
 		return nil
 	}
 
-	// Populate model.
+	// Ensure the status model is fully populated.
 	if err := f.state.DB.PopulateStatus(ctx, status); err != nil {
 		return gtserror.Newf("error populating status: %w", err)
 	}
 
-	// Parse relevant URI(s).
+	// Parse the outbox URI of the status author.
 	outboxIRI, err := parseURI(status.Account.OutboxURI)
 	if err != nil {
 		return err
 	}
 
-	// Convert status to an ActivityStreams
+	// Convert status to ActivityStreams Statusable implementing type.
-	// Note, wrapped in a Create activity.
+	statusable, err := f.converter.StatusToAS(ctx, status)
-	asStatus, err := f.converter.StatusToAS(ctx, status)
 	if err != nil {
-		return gtserror.Newf("error converting status to AS: %w", err)
+		return gtserror.Newf("error converting status to Statusable: %w", err)
 	}
 
-	create, err := f.converter.WrapNoteInCreate(asStatus, false)
+	// Use ActivityStreams Statusable type as Object of Create.
+	create, err := f.converter.WrapStatusableInCreate(statusable, false)
 	if err != nil {
-		return gtserror.Newf("error wrapping status in create: %w", err)
+		return gtserror.Newf("error wrapping Statusable in Create: %w", err)
 	}
 
 	// Send the Create via the Actor's outbox.
@@ -196,12 +196,12 @@ func (f *federate) DeleteStatus(ctx context.Context, status *gtsmodel.Status) er
 		return nil
 	}
 
-	// Populate model.
+	// Ensure the status model is fully populated.
 	if err := f.state.DB.PopulateStatus(ctx, status); err != nil {
 		return gtserror.Newf("error populating status: %w", err)
 	}
 
-	// Parse relevant URI(s).
+	// Parse the outbox URI of the status author.
 	outboxIRI, err := parseURI(status.Account.OutboxURI)
 	if err != nil {
 		return err
@@ -226,6 +226,50 @@ func (f *federate) DeleteStatus(ctx context.Context, status *gtsmodel.Status) er
 	return nil
 }
 
+func (f *federate) UpdateStatus(ctx context.Context, status *gtsmodel.Status) error {
+	// Do nothing if the status
+	// shouldn't be federated.
+	if !*status.Federated {
+		return nil
+	}
+
+	// Do nothing if this
+	// isn't our status.
+	if !*status.Local {
+		return nil
+	}
+
+	// Ensure the status model is fully populated.
+	if err := f.state.DB.PopulateStatus(ctx, status); err != nil {
+		return gtserror.Newf("error populating status: %w", err)
+	}
+
+	// Parse the outbox URI of the status author.
+	outboxIRI, err := parseURI(status.Account.OutboxURI)
+	if err != nil {
+		return err
+	}
+
+	// Convert status to ActivityStreams Statusable implementing type.
+	statusable, err := f.converter.StatusToAS(ctx, status)
+	if err != nil {
+		return gtserror.Newf("error converting status to Statusable: %w", err)
+	}
+
+	// Use ActivityStreams Statusable type as Object of Update.
+	update, err := f.converter.WrapStatusableInUpdate(statusable, false)
+	if err != nil {
+		return gtserror.Newf("error wrapping Statusable in Update: %w", err)
+	}
+
+	// Send the Update activity with Statusable via the Actor's outbox.
+	if _, err := f.FederatingActor().Send(ctx, outboxIRI, update); err != nil {
+		return gtserror.Newf("error sending Update activity via outbox %s: %w", outboxIRI, err)
+	}
+
+	return nil
+}
+
 func (f *federate) Follow(ctx context.Context, follow *gtsmodel.Follow) error {
 	// Populate model.
 	if err := f.state.DB.PopulateFollow(ctx, follow); err != nil {

internal/processing/workers/fromclientapi.go

@@ -114,6 +114,10 @@ func (p *Processor) ProcessFromClientAPI(ctx context.Context, cMsg messages.From
 	case ap.ActivityUpdate:
 		switch cMsg.APObjectType {
 
+		// UPDATE NOTE/STATUS
+		case ap.ObjectNote:
+			return p.clientAPI.UpdateStatus(ctx, cMsg)
+
 		// UPDATE PROFILE/ACCOUNT
 		case ap.ObjectProfile, ap.ActorPerson:
 			return p.clientAPI.UpdateAccount(ctx, cMsg)
@@ -332,10 +336,25 @@ func (p *clientAPI) CreateBlock(ctx context.Context, cMsg messages.FromClientAPI
 	return nil
 }
 
+func (p *clientAPI) UpdateStatus(ctx context.Context, cMsg messages.FromClientAPI) error {
+	// Cast the updated Status model attached to msg.
+	status, ok := cMsg.GTSModel.(*gtsmodel.Status)
+	if !ok {
+		return gtserror.Newf("cannot cast %T -> *gtsmodel.Status", cMsg.GTSModel)
+	}
+
+	// Federate the updated status changes out remotely.
+	if err := p.federate.UpdateStatus(ctx, status); err != nil {
+		return gtserror.Newf("error federating status update: %w", err)
+	}
+
+	return nil
+}
+
 func (p *clientAPI) UpdateAccount(ctx context.Context, cMsg messages.FromClientAPI) error {
 	account, ok := cMsg.GTSModel.(*gtsmodel.Account)
 	if !ok {
-		return gtserror.Newf("%T not parseable as *gtsmodel.Account", cMsg.GTSModel)
+		return gtserror.Newf("cannot cast %T -> *gtsmodel.Account", cMsg.GTSModel)
 	}
 
 	if err := p.federate.UpdateAccount(ctx, account); err != nil {

internal/processing/workers/fromfediapi.go

@@ -119,6 +119,10 @@ func (p *Processor) ProcessFromFediAPI(ctx context.Context, fMsg messages.FromFe
 	case ap.ActivityUpdate:
 		switch fMsg.APObjectType { //nolint:gocritic
 
+		// UPDATE NOTE/STATUS
+		case ap.ObjectNote:
+			return p.fediAPI.UpdateStatus(ctx, fMsg)
+
 		// UPDATE PROFILE/ACCOUNT
 		case ap.ObjectProfile:
 			return p.fediAPI.UpdateAccount(ctx, fMsg)
@@ -485,13 +489,13 @@ func (p *fediAPI) UpdateAccount(ctx context.Context, fMsg messages.FromFediAPI)
 	// Parse the old/existing account model.
 	account, ok := fMsg.GTSModel.(*gtsmodel.Account)
 	if !ok {
-		return gtserror.Newf("%T not parseable as *gtsmodel.Account", fMsg.GTSModel)
+		return gtserror.Newf("cannot cast %T -> *gtsmodel.Account", fMsg.GTSModel)
 	}
 
 	// Because this was an Update, the new Accountable should be set on the message.
 	apubAcc, ok := fMsg.APObjectModel.(ap.Accountable)
 	if !ok {
-		return gtserror.Newf("%T not parseable as ap.Accountable", fMsg.APObjectModel)
+		return gtserror.Newf("cannot cast %T -> ap.Accountable", fMsg.APObjectModel)
 	}
 
 	// Fetch up-to-date bio, avatar, header, etc.
@@ -509,6 +513,34 @@ func (p *fediAPI) UpdateAccount(ctx context.Context, fMsg messages.FromFediAPI)
 	return nil
 }
 
+func (p *fediAPI) UpdateStatus(ctx context.Context, fMsg messages.FromFediAPI) error {
+	// Cast the existing Status model attached to msg.
+	existing, ok := fMsg.GTSModel.(*gtsmodel.Status)
+	if !ok {
+		return gtserror.Newf("cannot cast %T -> *gtsmodel.Status", fMsg.GTSModel)
+	}
+
+	// Cast the updated ActivityPub statusable object .
+	apStatus, ok := fMsg.APObjectModel.(ap.Statusable)
+	if !ok {
+		return gtserror.Newf("cannot cast %T -> ap.Statusable", fMsg.APObjectModel)
+	}
+
+	// Fetch up-to-date attach status attachments, etc.
+	_, _, err := p.federate.RefreshStatus(
+		ctx,
+		fMsg.ReceivingAccount.Username,
+		existing,
+		apStatus,
+		false,
+	)
+	if err != nil {
+		return gtserror.Newf("error refreshing updated status: %w", err)
+	}
+
+	return nil
+}
+
 func (p *fediAPI) DeleteStatus(ctx context.Context, fMsg messages.FromFediAPI) error {
 	// Delete attachments from this status, since this request
 	// comes from the federating API, and there's no way the

internal/processing/workers/wipestatus.go

@@ -38,7 +38,7 @@ func wipeStatusF(state *state.State, media *media.Processor, surface *surface) w
 		statusToDelete *gtsmodel.Status,
 		deleteAttachments bool,
 	) error {
-		errs := new(gtserror.MultiError)
+		var errs gtserror.MultiError
 
 		// Either delete all attachments for this status,
 		// or simply unattach + clean them separately later.
@@ -48,15 +48,15 @@ func wipeStatusF(state *state.State, media *media.Processor, surface *surface) w
 		// status immediately (in case of delete + redraft)
 		if deleteAttachments {
 			// todo:state.DB.DeleteAttachmentsForStatus
-			for _, a := range statusToDelete.AttachmentIDs {
+			for _, id := range statusToDelete.AttachmentIDs {
-				if err := media.Delete(ctx, a); err != nil {
+				if err := media.Delete(ctx, id); err != nil {
 					errs.Appendf("error deleting media: %w", err)
 				}
 			}
 		} else {
 			// todo:state.DB.UnattachAttachmentsForStatus
-			for _, a := range statusToDelete.AttachmentIDs {
+			for _, id := range statusToDelete.AttachmentIDs {
-				if _, err := media.Unattach(ctx, statusToDelete.Account, a); err != nil {
+				if _, err := media.Unattach(ctx, statusToDelete.Account, id); err != nil {
 					errs.Appendf("error unattaching media: %w", err)
 				}
 			}
@@ -95,11 +95,12 @@ func wipeStatusF(state *state.State, media *media.Processor, surface *surface) w
 		if err != nil {
 			errs.Appendf("error fetching status boosts: %w", err)
 		}
-		for _, b := range boosts {
+
-			if err := surface.deleteStatusFromTimelines(ctx, b.ID); err != nil {
+		for _, boost := range boosts {
+			if err := surface.deleteStatusFromTimelines(ctx, boost.ID); err != nil {
 				errs.Appendf("error deleting boost from timelines: %w", err)
 			}
-			if err := state.DB.DeleteStatusByID(ctx, b.ID); err != nil {
+			if err := state.DB.DeleteStatusByID(ctx, boost.ID); err != nil {
 				errs.Appendf("error deleting boost: %w", err)
 			}
 		}

internal/text/plain.go

@@ -21,6 +21,7 @@ import (
 	"bytes"
 	"context"
 
+	"codeberg.org/gruf/go-byteutil"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/yuin/goldmark"
@@ -103,11 +104,11 @@ func (f *Formatter) FromPlainEmojiOnly(
 	statusID string,
 	input string,
 ) *FormatResult {
-	// Initialize standard block parser
+	// Initialize block parser that
-	// that wraps result in <p> tags.
+	// doesn't wrap result in <p> tags.
 	plainTextParser := parser.NewParser(
 		parser.WithBlockParsers(
-			util.Prioritized(newPlaintextParser(), 500),
+			util.Prioritized(newPlaintextParserNoParagraph(), 500),
 		),
 	)
 
@@ -161,17 +162,21 @@ func (f *Formatter) fromPlain(
 		),
 	)
 
+	// Convert input string to bytes
+	// without performing any allocs.
+	bInput := byteutil.S2B(input)
+
 	// Parse input into HTML.
 	var htmlBytes bytes.Buffer
 	if err := md.Convert(
-		[]byte(input),
+		bInput,
 		&htmlBytes,
 	); err != nil {
 		log.Errorf(ctx, "error formatting plaintext input to HTML: %s", err)
 	}
 
 	// Clean and shrink HTML.
-	result.HTML = htmlBytes.String()
+	result.HTML = byteutil.B2S(htmlBytes.Bytes())
 	result.HTML = SanitizeToHTML(result.HTML)
 	result.HTML = MinifyHTML(result.HTML)
 

internal/timeline/get.go

@@ -222,7 +222,7 @@ func (t *timeline) getXBetweenIDs(ctx context.Context, amount int, behindID stri
 		// a point where the items are out of the range
 		// we're interested in.
 		rangeF = func(e *list.Element) (bool, error) {
-			entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+			entry := e.Value.(*indexedItemsEntry)
 
 			if entry.itemID >= behindID {
 				// ID of this item is too high,
@@ -276,7 +276,6 @@ func (t *timeline) getXBetweenIDs(ctx context.Context, amount int, behindID stri
 			// Move the mark back one place each loop.
 			beforeIDMark = e
 
-			//nolint:forcetypeassert
 			if entry := e.Value.(*indexedItemsEntry); entry.itemID <= beforeID {
 				// We've gone as far as we can through
 				// the list and reached entries that are
@@ -319,7 +318,7 @@ func (t *timeline) getXBetweenIDs(ctx context.Context, amount int, behindID stri
 	// To preserve ordering, we need to reverse the slice
 	// when we're finished.
 	for e := beforeIDMark; e != nil; e = e.Prev() {
-		entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 
 		if entry.itemID == beforeID {
 			// Don't include the beforeID

internal/timeline/index.go

@@ -65,7 +65,7 @@ func (t *timeline) indexXBetweenIDs(ctx context.Context, amount int, behindID st
 	)
 
 	for e := t.items.data.Front(); e != nil; e = e.Next() {
-		entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 
 		position++
 
@@ -174,7 +174,6 @@ func (t *timeline) grab(ctx context.Context, amount int, behindID string, before
 			// Don't grab more than we need to.
 			amount-grabbed,
 		)
-
 		if err != nil {
 			// Grab function already checks for
 			// db.ErrNoEntries, so if an error
@@ -280,5 +279,5 @@ func (t *timeline) OldestIndexedItemID() string {
 		return ""
 	}
 
-	return e.Value.(*indexedItemsEntry).itemID //nolint:forcetypeassert
+	return e.Value.(*indexedItemsEntry).itemID
 }

internal/timeline/indexeditems.go

@@ -65,7 +65,7 @@ func (i *indexedItems) insertIndexed(ctx context.Context, newEntry *indexedItems
 	for e := i.data.Front(); e != nil; e = e.Next() {
 		currentPosition++
 
-		currentEntry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+		currentEntry := e.Value.(*indexedItemsEntry)
 
 		// Check if we need to skip inserting this item based on
 		// the current item.

internal/timeline/manager.go

@@ -219,7 +219,6 @@ func (m *manager) UnprepareItemFromAllTimelines(ctx context.Context, itemID stri
 	// Work through all timelines held by this
 	// manager, and call Unprepare for each.
 	m.timelines.Range(func(_ any, v any) bool {
-		// nolint:forcetypeassert
 		if err := v.(Timeline).Unprepare(ctx, itemID); err != nil {
 			errs.Append(err)
 		}
@@ -248,7 +247,7 @@ func (m *manager) getOrCreateTimeline(ctx context.Context, timelineID string) Ti
 	i, ok := m.timelines.Load(timelineID)
 	if ok {
 		// Timeline already existed in sync.Map.
-		return i.(Timeline) //nolint:forcetypeassert
+		return i.(Timeline)
 	}
 
 	// Timeline did not yet exist in sync.Map.

internal/timeline/prepare.go

@@ -63,7 +63,7 @@ func (t *timeline) prepareXBetweenIDs(ctx context.Context, amount int, behindID
 	if frontToBack {
 		// Paging forwards / down.
 		for e := t.items.data.Front(); e != nil; e = e.Next() {
-			entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+			entry := e.Value.(*indexedItemsEntry)
 
 			if entry.itemID > behindID {
 				l.Trace("item is too new, continuing")
@@ -91,7 +91,7 @@ func (t *timeline) prepareXBetweenIDs(ctx context.Context, amount int, behindID
 	} else {
 		// Paging backwards / up.
 		for e := t.items.data.Back(); e != nil; e = e.Prev() {
-			entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+			entry := e.Value.(*indexedItemsEntry)
 
 			if entry.itemID < beforeID {
 				l.Trace("item is too old, continuing")

internal/timeline/prune.go

@@ -63,7 +63,7 @@ func (t *timeline) Prune(desiredPreparedItemsLength int, desiredIndexedItemsLeng
 			continue
 		}
 
-		entry := e.Value.(*indexedItemsEntry) //nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 		if entry.prepared == nil {
 			// It's already unprepared (mood).
 			continue

internal/timeline/remove.go

@@ -42,7 +42,7 @@ func (t *timeline) Remove(ctx context.Context, statusID string) (int, error) {
 
 	var toRemove []*list.Element
 	for e := t.items.data.Front(); e != nil; e = e.Next() {
-		entry := e.Value.(*indexedItemsEntry) // nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 
 		if entry.itemID != statusID {
 			// Not relevant.
@@ -78,7 +78,7 @@ func (t *timeline) RemoveAllByOrBoosting(ctx context.Context, accountID string)
 
 	var toRemove []*list.Element
 	for e := t.items.data.Front(); e != nil; e = e.Next() {
-		entry := e.Value.(*indexedItemsEntry) // nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 
 		if entry.accountID != accountID && entry.boostOfAccountID != accountID {
 			// Not relevant.

internal/timeline/unprepare.go

@@ -31,7 +31,7 @@ func (t *timeline) Unprepare(ctx context.Context, itemID string) error {
 	}
 
 	for e := t.items.data.Front(); e != nil; e = e.Next() {
-		entry := e.Value.(*indexedItemsEntry) // nolint:forcetypeassert
+		entry := e.Value.(*indexedItemsEntry)
 
 		if entry.itemID != itemID && entry.boostOfID != itemID {
 			// Not relevant.

internal/typeutils/astointernal.go

@@ -216,40 +216,10 @@ func (c *Converter) ASRepresentationToAccount(ctx context.Context, accountable a
 	return acct, nil
 }
 
-func (c *Converter) extractAttachments(i ap.WithAttachment) []*gtsmodel.MediaAttachment {
-	attachmentProp := i.GetActivityStreamsAttachment()
-	if attachmentProp == nil {
-		return nil
-	}
-
-	attachments := make([]*gtsmodel.MediaAttachment, 0, attachmentProp.Len())
-
-	for iter := attachmentProp.Begin(); iter != attachmentProp.End(); iter = iter.Next() {
-		t := iter.GetType()
-		if t == nil {
-			continue
-		}
-
-		attachmentable, ok := t.(ap.Attachmentable)
-		if !ok {
-			log.Error(nil, "ap attachment was not attachmentable")
-			continue
-		}
-
-		attachment, err := ap.ExtractAttachment(attachmentable)
-		if err != nil {
-			log.Errorf(nil, "error extracting attachment: %s", err)
-			continue
-		}
-
-		attachments = append(attachments, attachment)
-	}
-
-	return attachments
-}
-
 // ASStatus converts a remote activitystreams 'status' representation into a gts model status.
 func (c *Converter) ASStatusToStatus(ctx context.Context, statusable ap.Statusable) (*gtsmodel.Status, error) {
+	var err error
+
 	status := new(gtsmodel.Status)
 
 	// status.URI
@@ -281,7 +251,19 @@ func (c *Converter) ASStatusToStatus(ctx context.Context, statusable ap.Statusab
 	// status.Attachments
 	//
 	// Media attachments for later dereferencing.
-	status.Attachments = c.extractAttachments(statusable)
+	status.Attachments, err = ap.ExtractAttachments(statusable)
+	if err != nil {
+		l.Warnf("error(s) extracting attachments: %v", err)
+	}
+
+	// status.Poll
+	//
+	// Attached poll information (the statusable will actually
+	// be a Pollable, as a Question is a subset of our Status).
+	if pollable, ok := ap.ToPollable(statusable); ok {
+		// TODO: handle decoding poll data
+		_ = pollable
+	}
 
 	// status.Hashtags
 	//
@@ -341,7 +323,7 @@ func (c *Converter) ASStatusToStatus(ctx context.Context, statusable ap.Statusab
 	// error if we don't.
 	attributedTo, err := ap.ExtractAttributedToURI(statusable)
 	if err != nil {
-		return nil, gtserror.Newf("%w", err)
+		return nil, gtserror.Newf("error extracting attributed to uri: %w", err)
 	}
 	accountURI := attributedTo.String()
 

internal/typeutils/internaltoas.go

@@ -29,6 +29,7 @@ import (
 	"github.com/superseriousbusiness/activity/pub"
 	"github.com/superseriousbusiness/activity/streams"
 	"github.com/superseriousbusiness/activity/streams/vocab"
+	"github.com/superseriousbusiness/gotosocial/internal/ap"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
@@ -403,21 +404,15 @@ func (c *Converter) AccountToASMinimal(ctx context.Context, a *gtsmodel.Account)
 	return person, nil
 }
 
-// StatusToAS converts a gts model status into an activity streams note, suitable for federation
+// StatusToAS converts a gts model status into an ActivityStreams Statusable implementation, suitable for federation
-func (c *Converter) StatusToAS(ctx context.Context, s *gtsmodel.Status) (vocab.ActivityStreamsNote, error) {
+func (c *Converter) StatusToAS(ctx context.Context, s *gtsmodel.Status) (ap.Statusable, error) {
-	// ensure prerequisites here before we get stuck in
+	// Ensure the status model is fully populated.
-
+	// The status and poll models are REQUIRED so nothing to do if this fails.
-	// check if author account is already attached to status and attach it if not
+	if err := c.state.DB.PopulateStatus(ctx, s); err != nil {
-	// if we can't retrieve this, bail here already because we can't attribute the status to anyone
+		return nil, gtserror.Newf("error populating status: %w", err)
-	if s.Account == nil {
-		a, err := c.state.DB.GetAccountByID(ctx, s.AccountID)
-		if err != nil {
-			return nil, gtserror.Newf("error retrieving author account from db: %w", err)
-		}
-		s.Account = a
 	}
 
-	// create the Note!
+	// We convert it as an AS Note.
 	status := streams.NewActivityStreamsNote()
 
 	// id
@@ -529,7 +524,6 @@ func (c *Converter) StatusToAS(ctx context.Context, s *gtsmodel.Status) (vocab.A
 		}
 		tagProp.AppendTootHashtag(asHashtag)
 	}
-
 	status.SetActivityStreamsTag(tagProp)
 
 	// parse out some URIs we need here
@@ -1419,7 +1413,7 @@ func (c *Converter) StatusesToASOutboxPage(ctx context.Context, outboxID string,
 			return nil, err
 		}
 
-		create, err := c.WrapNoteInCreate(note, true)
+		create, err := c.WrapStatusableInCreate(note, true)
 		if err != nil {
 			return nil, err
 		}

internal/typeutils/wrap.go

@@ -44,7 +44,6 @@ func (c *Converter) WrapPersonInUpdate(person vocab.ActivityStreamsPerson, origi
 	update.SetActivityStreamsActor(actorProp)
 
 	// set the ID
-
 	newID, err := id.NewRandomULID()
 	if err != nil {
 		return nil, err
@@ -85,26 +84,29 @@ func (c *Converter) WrapPersonInUpdate(person vocab.ActivityStreamsPerson, origi
 	return update, nil
 }
 
-// WrapNoteInCreate wraps a Note with a Create activity.
+// WrapNoteInCreate wraps a Statusable with a Create activity.
 //
 // If objectIRIOnly is set to true, then the function won't put the *entire* note in the Object field of the Create,
 // but just the AP URI of the note. This is useful in cases where you want to give a remote server something to dereference,
 // and still have control over whether or not they're allowed to actually see the contents.
-func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOnly bool) (vocab.ActivityStreamsCreate, error) {
+func (c *Converter) WrapStatusableInCreate(status ap.Statusable, objectIRIOnly bool) (vocab.ActivityStreamsCreate, error) {
 	create := streams.NewActivityStreamsCreate()
 
 	// Object property
 	objectProp := streams.NewActivityStreamsObjectProperty()
 	if objectIRIOnly {
-		objectProp.AppendIRI(note.GetJSONLDId().GetIRI())
+		// Only append the object IRI to objectProp.
+		objectProp.AppendIRI(status.GetJSONLDId().GetIRI())
 	} else {
-		objectProp.AppendActivityStreamsNote(note)
+		// Our statusable's are always note types.
+		asNote := status.(vocab.ActivityStreamsNote)
+		objectProp.AppendActivityStreamsNote(asNote)
 	}
 	create.SetActivityStreamsObject(objectProp)
 
 	// ID property
 	idProp := streams.NewJSONLDIdProperty()
-	createID := note.GetJSONLDId().GetIRI().String() + "/activity"
+	createID := status.GetJSONLDId().GetIRI().String() + "/activity"
 	createIDIRI, err := url.Parse(createID)
 	if err != nil {
 		return nil, err
@@ -114,7 +116,7 @@ func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOn
 
 	// Actor Property
 	actorProp := streams.NewActivityStreamsActorProperty()
-	actorIRI, err := ap.ExtractAttributedToURI(note)
+	actorIRI, err := ap.ExtractAttributedToURI(status)
 	if err != nil {
 		return nil, gtserror.Newf("couldn't extract AttributedTo: %w", err)
 	}
@@ -123,7 +125,7 @@ func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOn
 
 	// Published Property
 	publishedProp := streams.NewActivityStreamsPublishedProperty()
-	published, err := ap.ExtractPublished(note)
+	published, err := ap.ExtractPublished(status)
 	if err != nil {
 		return nil, gtserror.Newf("couldn't extract Published: %w", err)
 	}
@@ -132,7 +134,7 @@ func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOn
 
 	// To Property
 	toProp := streams.NewActivityStreamsToProperty()
-	if toURIs := ap.ExtractToURIs(note); len(toURIs) != 0 {
+	if toURIs := ap.ExtractToURIs(status); len(toURIs) != 0 {
 		for _, toURI := range toURIs {
 			toProp.AppendIRI(toURI)
 		}
@@ -141,7 +143,7 @@ func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOn
 
 	// Cc Property
 	ccProp := streams.NewActivityStreamsCcProperty()
-	if ccURIs := ap.ExtractCcURIs(note); len(ccURIs) != 0 {
+	if ccURIs := ap.ExtractCcURIs(status); len(ccURIs) != 0 {
 		for _, ccURI := range ccURIs {
 			ccProp.AppendIRI(ccURI)
 		}
@@ -150,3 +152,64 @@ func (c *Converter) WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOn
 
 	return create, nil
 }
+
+// WrapStatusableInUpdate wraps a Statusable with an Update activity.
+//
+// If objectIRIOnly is set to true, then the function won't put the *entire* note in the Object field of the Create,
+// but just the AP URI of the note. This is useful in cases where you want to give a remote server something to dereference,
+// and still have control over whether or not they're allowed to actually see the contents.
+func (c *Converter) WrapStatusableInUpdate(status ap.Statusable, objectIRIOnly bool) (vocab.ActivityStreamsUpdate, error) {
+	update := streams.NewActivityStreamsUpdate()
+
+	// Object property
+	objectProp := streams.NewActivityStreamsObjectProperty()
+	if objectIRIOnly {
+		objectProp.AppendIRI(status.GetJSONLDId().GetIRI())
+	} else if _, ok := status.(ap.Pollable); ok {
+		asQuestion := status.(vocab.ActivityStreamsQuestion)
+		objectProp.AppendActivityStreamsQuestion(asQuestion)
+	} else {
+		asNote := status.(vocab.ActivityStreamsNote)
+		objectProp.AppendActivityStreamsNote(asNote)
+	}
+	update.SetActivityStreamsObject(objectProp)
+
+	// ID property
+	idProp := streams.NewJSONLDIdProperty()
+	createID := status.GetJSONLDId().GetIRI().String() + "/activity"
+	createIDIRI, err := url.Parse(createID)
+	if err != nil {
+		return nil, err
+	}
+	idProp.SetIRI(createIDIRI)
+	update.SetJSONLDId(idProp)
+
+	// Actor Property
+	actorProp := streams.NewActivityStreamsActorProperty()
+	actorIRI, err := ap.ExtractAttributedToURI(status)
+	if err != nil {
+		return nil, gtserror.Newf("couldn't extract AttributedTo: %w", err)
+	}
+	actorProp.AppendIRI(actorIRI)
+	update.SetActivityStreamsActor(actorProp)
+
+	// To Property
+	toProp := streams.NewActivityStreamsToProperty()
+	if toURIs := ap.ExtractToURIs(status); len(toURIs) != 0 {
+		for _, toURI := range toURIs {
+			toProp.AppendIRI(toURI)
+		}
+		update.SetActivityStreamsTo(toProp)
+	}
+
+	// Cc Property
+	ccProp := streams.NewActivityStreamsCcProperty()
+	if ccURIs := ap.ExtractCcURIs(status); len(ccURIs) != 0 {
+		for _, ccURI := range ccURIs {
+			ccProp.AppendIRI(ccURI)
+		}
+		update.SetActivityStreamsCc(ccProp)
+	}
+
+	return update, nil
+}

internal/typeutils/wrap_test.go

@@ -36,7 +36,7 @@ func (suite *WrapTestSuite) TestWrapNoteInCreateIRIOnly() {
 	note, err := suite.typeconverter.StatusToAS(context.Background(), testStatus)
 	suite.NoError(err)
 
-	create, err := suite.typeconverter.WrapNoteInCreate(note, true)
+	create, err := suite.typeconverter.WrapStatusableInCreate(note, true)
 	suite.NoError(err)
 	suite.NotNil(create)
 
@@ -64,7 +64,7 @@ func (suite *WrapTestSuite) TestWrapNoteInCreate() {
 	note, err := suite.typeconverter.StatusToAS(context.Background(), testStatus)
 	suite.NoError(err)
 
-	create, err := suite.typeconverter.WrapNoteInCreate(note, false)
+	create, err := suite.typeconverter.WrapStatusableInCreate(note, false)
 	suite.NoError(err)
 	suite.NotNil(create)