Implement Talk has read federation (#5636)

* Talk read

* fix

* 複数のRead ActivityはCollectionとして送るように

* あ

6 files changed, 47 insertions, 3 deletions

diff --git a/src/remote/activitypub/kernel/index.ts b/src/remote/activitypub/kernel/index.ts
index c8298dc797..615edff88c 100644
--- a/src/remote/activitypub/kernel/index.ts
+++ b/src/remote/activitypub/kernel/index.ts
@@ -1,8 +1,9 @@
-import { IObject, isCreate, isDelete, isUpdate, isFollow, isAccept, isReject, isAdd, isRemove, isAnnounce, isLike, isUndo, isBlock, isCollectionOrOrderedCollection, isCollection  } from '../type';
+import { IObject, isCreate, isDelete, isUpdate, isRead, isFollow, isAccept, isReject, isAdd, isRemove, isAnnounce, isLike, isUndo, isBlock, isCollectionOrOrderedCollection, isCollection } from '../type';
 import { IRemoteUser } from '../../../models/entities/user';
 import create from './create';
 import performDeleteActivity from './delete';
 import performUpdateActivity from './update';
+import { performReadActivity } from './read';
 import follow from './follow';
 import undo from './undo';
 import like from './like';
@@ -41,6 +42,8 @@ async function performOneActivity(actor: IRemoteUser, activity: IObject): Promis
 		await performDeleteActivity(actor, activity);
 	} else if (isUpdate(activity)) {
 		await performUpdateActivity(actor, activity);
+	} else if (isRead(activity)) {
+		await performReadActivity(actor, activity);
 	} else if (isFollow(activity)) {
 		await follow(actor, activity);
 	} else if (isAccept(activity)) {
diff --git a/src/remote/activitypub/kernel/read.ts b/src/remote/activitypub/kernel/read.ts
new file mode 100644
index 0000000000..e4049fa7ef
--- /dev/null
+++ b/src/remote/activitypub/kernel/read.ts
@@ -0,0 +1,27 @@
+import { IRemoteUser } from '../../../models/entities/user';
+import { IRead, getApId } from '../type';
+import { isSelfHost, extractDbHost } from '../../../misc/convert-host';
+import { MessagingMessages } from '../../../models';
+import { readUserMessagingMessage } from '../../../server/api/common/read-messaging-message';
+
+export const performReadActivity = async (actor: IRemoteUser, activity: IRead): Promise<string> => {
+	const id = await getApId(activity.object);
+
+	if (!isSelfHost(extractDbHost(id))) {
+		return `skip: Read to foreign host (${id})`;
+	}
+
+	const messageId = id.split('/').pop();
+
+	const message = await MessagingMessages.findOne(messageId);
+	if (message == null) {
+		return `skip: message not found`;
+	}
+
+	if (actor.id != message.recipientId) {
+		return `skip: actor is not a message recipient`;
+	}
+
+	await readUserMessagingMessage(message.recipientId!, message.userId, [message.id]);
+	return `ok: mark as read (${message.userId} => ${message.recipientId} ${message.id})`;
+};
diff --git a/src/remote/activitypub/models/note.ts b/src/remote/activitypub/models/note.ts
index 17c3721bdb..7ce0b6a11f 100644
--- a/src/remote/activitypub/models/note.ts
+++ b/src/remote/activitypub/models/note.ts
@@ -226,7 +226,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
 
 	if (note._misskey_talk && visibility === 'specified') {
 		for (const recipient of visibleUsers) {
-			await createMessage(actor, recipient, undefined, text || undefined, (files && files.length > 0) ? files[0] : null);
+			await createMessage(actor, recipient, undefined, text || undefined, (files && files.length > 0) ? files[0] : null, object.id);
 			return null;
 		}
 	}
diff --git a/src/remote/activitypub/renderer/ordered-collection.ts b/src/remote/activitypub/renderer/ordered-collection.ts
index 5461005983..68870a0ecd 100644
--- a/src/remote/activitypub/renderer/ordered-collection.ts
+++ b/src/remote/activitypub/renderer/ordered-collection.ts
@@ -6,7 +6,7 @@
  * @param last URL of last page (optional)
  * @param orderedItems attached objects (optional)
  */
-export default function(id: string, totalItems: any, first?: string, last?: string, orderedItems?: object) {
+export default function(id: string | null, totalItems: any, first?: string, last?: string, orderedItems?: object) {
 	const page: any = {
 		id,
 		type: 'OrderedCollection',
diff --git a/src/remote/activitypub/renderer/read.ts b/src/remote/activitypub/renderer/read.ts
new file mode 100644
index 0000000000..c53b47859f
--- /dev/null
+++ b/src/remote/activitypub/renderer/read.ts
@@ -0,0 +1,9 @@
+import config from '../../../config';
+import { ILocalUser } from '../../../models/entities/user';
+import { MessagingMessage } from '../../../models/entities/messaging-message';
+
+export const renderReadActivity = (user: ILocalUser, message: MessagingMessage) => ({
+	type: 'Read',
+	actor: `${config.url}/users/${user.id}`,
+	object: message.uri
+});
diff --git a/src/remote/activitypub/type.ts b/src/remote/activitypub/type.ts
index 5670df243d..ad3f9638a7 100644
--- a/src/remote/activitypub/type.ts
+++ b/src/remote/activitypub/type.ts
@@ -140,6 +140,10 @@ export interface IUpdate extends IActivity {
 	type: 'Update';
 }
 
+export interface IRead extends IActivity {
+	type: 'Read';
+}
+
 export interface IUndo extends IActivity {
 	type: 'Undo';
 }
@@ -180,6 +184,7 @@ export interface IBlock extends IActivity {
 export const isCreate = (object: IObject): object is ICreate => object.type === 'Create';
 export const isDelete = (object: IObject): object is IDelete => object.type === 'Delete';
 export const isUpdate = (object: IObject): object is IUpdate => object.type === 'Update';
+export const isRead = (object: IObject): object is IRead => object.type === 'Read';
 export const isUndo = (object: IObject): object is IUndo => object.type === 'Undo';
 export const isFollow = (object: IObject): object is IFollow => object.type === 'Follow';
 export const isAccept = (object: IObject): object is IAccept => object.type === 'Accept';