src/database/index.ts

@@ -16,16 +16,6 @@ export type DbActor = {
 	private_ed: JsonWebKey,
 }
 
-export type DbActorService = DbActor
-
-export type DbActorPlayer = DbActor & {
-	steam_id: bigint,
-}
-
-export type DbActorGuild = DbActor & {
-	guild_id: number,
-}
-
 
 export class Database {
 	sql: Postgres.Sql
@@ -70,7 +60,7 @@ export class Database {
 	}
 
 	async reinitializeDev() {
-		l.warn`Re-initializing database from scratch for development!!!`
+		l.fatal`!!! Re-initializing database from scratch for development !!!`
 
 		l.info`01/XX Dropping public schema from database...`
 		await this.#doQueryFile("src/database/init/01-drop-schema.sql")
@@ -78,22 +68,10 @@ export class Database {
 		l.info`02/XX Recreating public schema...`
 		await this.#doQueryFile("src/database/init/02-create-schema.sql")
 
-		l.info`03/XX Creating applied migrations table...`
+		l.info`03/XX Creating actor table...`
-		await this.#doQueryFile("src/database/init/03-create-migration_applied.sql")
+		await this.#doQueryFile("src/database/init/03-create-actor.sql")
 
-		l.info`04/XX Creating actor table...`
+		l.info`04/XX Creating service actor...`
-		await this.#doQueryFile("src/database/init/04-create-actor.sql")
-
-		l.info`05/XX Creating service table...`
-		await this.#doQueryFile("src/database/init/05-create-actor_service.sql")
-
-		l.info`06/XX Creating player table...`
-		await this.#doQueryFile("src/database/init/06-create-actor_player.sql")
-
-		l.info`07/XX Creating guild table...`
-		await this.#doQueryFile("src/database/init/07-create-actor_guild.sql")
-
-		l.info`08/XX Creating service actor...`
 		l.debug`Creating RSA key pair...`
 		const {publicKey: publicRsa, privateKey: privateRsa} = await generateCryptoKeyPair("RSASSA-PKCS1-v1_5")
 		l.debug`Creating elliptic curve key pair...`
@@ -104,8 +82,8 @@ export class Database {
 		const privateRsaJwk = await exportJwk(privateRsa)
 		const privateEdJwk = await exportJwk(privateEd)
 		l.debug`Running SQL query...`
-		await this.#doQueryFile<DbActorService>(
+		await this.#doQueryFile<DbActor>(
-			"src/database/init/08-insert-actor_service.sql", 
+			"src/database/init/04-insert-actor-app.sql", 
 			[
 				publicRsaJwk,
 				publicEdJwk,
@@ -114,24 +92,24 @@ export class Database {
 			]
 		)
 
-		l.info`09/XX Creating follow table...`
+		l.info`05/XX Creating follow table...`
-		await this.#doQueryFile("src/database/init/09-create-follow.sql")
+		await this.#doQueryFile("src/database/init/05-create-follow.sql")
 
 		l.info("Done!")
 	}
 	
-	async getActorService(): Promise<DbActorService> {
+	async getActorApp(): Promise<DbActor> {
-		l.info`Getting service actor entity...`
+		l.info`Getting app actor entity...`
 
-		const results = await this.#doQueryFile<DbActorService>("src/database/query/get-actor_service.sql")
+		const results = await this.#doQueryFile<DbActor>("src/database/query/get-actor_app.sql")
 
 		if(results.count == 0) {
-			l.error`No service actor entity exists.`
+			l.error`No app actor entity exists.`
-			throw new Error("No service actor entity exists.")
+			throw new Error("No app actor entity exists.")
 		}
 		else if(results.count > 1) {
-			l.error`Multiple service actor entities exist.`
+			l.error`Multiple app actor entities exist.`
-			throw new Error("Multiple service actor entities exist.")
+			throw new Error("Multiple app actor entities exist.")
 		}
 
 		l.debug`Attempting to get only result...`
@@ -141,10 +119,10 @@ export class Database {
 		return result
 	}
 	
-	async getActorPlayer(steamId: number): Promise<DbActorPlayer | null> {
+	async getActorPlayer(steamId: number): Promise<DbActor | null> {
 		l.info`Getting player actor entity with id: ${steamId}`
 
-		const results = await this.#doQueryFile<DbActorPlayer>("src/database/query/get-actor_player.sql", [steamId])
+		const results = await this.#doQueryFile<DbActor>("src/database/query/get-actor_player.sql", [steamId])
 
 		if(results.count == 0) {
 			l.debug`No such player actor entity exists.`
@@ -162,10 +140,10 @@ export class Database {
 		return result
 	}
 
-	async getActorGuild(guildId: number): Promise<DbActorGuild | null> {
+	async getActorGuild(guildId: number): Promise<DbActor | null> {
 		l.info`Getting guild actor entity with id: ${guildId}`
 
-		const results = await this.#doQueryFile<DbActorGuild>("src/database/query/get-actor_guild.sql", [guildId])
+		const results = await this.#doQueryFile<DbActor>("src/database/query/get-actor_guild.sql", [guildId])
 
 		if(results.count == 0) {
 			l.debug`No such guild actor entity exists.`
@@ -188,4 +166,10 @@ export class Database {
 
 		await this.#doQueryFile<void>("src/database/query/put-follow.sql", [follower, followed])
 	}
+
+	async deleteFollow(follower: string, followed: string): Promise<void> {
+		l.info`Deleting follow: from ${follower} to ${followed}`
+
+		await this.#doQueryFile<void>("src/database/query/delete-follow.sql", [follower, followed])
+	}
 }

src/database/init/03-create-actor.sql

@@ -0,0 +1,8 @@
+CREATE TABLE actor (
+	handle			VARCHAR		PRIMARY KEY,
+
+	public_rsa		JSON,
+	public_ed		JSON,
+	private_rsa		JSON,
+	private_ed		JSON
+);

src/database/init/03-create-migration_applied.sql

@@ -1,3 +0,0 @@
-CREATE TABLE migration_applied (
-	code	CHAR(4)		PRIMARY KEY
-);

src/database/init/04-create-actor.sql

@@ -1,3 +0,0 @@
-CREATE TABLE actor (
-	handle			VARCHAR		PRIMARY KEY
-);

src/database/init/04-insert-actor-app.sql

@@ -1,11 +1,11 @@
-INSERT INTO actor_service (
+INSERT INTO actor (
 	handle,
 	public_rsa,
 	public_ed,
 	private_rsa,
 	private_ed
 ) VALUES (
-	'service',
+	'app',
 	$1,
 	$2,
 	$3,

src/database/init/05-create-actor_service.sql

@@ -1,8 +0,0 @@
-CREATE TABLE actor_service (
-	public_rsa		JSON		NOT NULL,
-	public_ed		JSON		NOT NULL,
-	private_rsa		JSON		NOT NULL,
-	private_ed		JSON		NOT NULL
-) INHERITS (
-	actor
-);

src/database/init/05-create-follow.sql

@@ -0,0 +1,9 @@
+CREATE TABLE follow (
+	follower		VARCHAR		NOT NULL,
+	followed		VARCHAR		REFERENCES actor (handle)	NOT NULL,
+
+	PRIMARY KEY (
+		follower, 
+		followed
+	)
+);

src/database/init/06-create-actor_player.sql

@@ -1,5 +0,0 @@
-CREATE TABLE actor_player (
-	steam_id		BIGINT		UNIQUE	NOT NULL
-) INHERITS (
-	actor
-);

src/database/init/07-create-actor_guild.sql

@@ -1,5 +0,0 @@
-CREATE TABLE actor_guild (
-	guild_id		INT			UNIQUE	NOT NULL
-) INHERITS (
-	actor
-);

src/database/init/09-create-follow.sql

@@ -1,9 +0,0 @@
-CREATE TABLE follow (
-	follower		VARCHAR		REFERENCES (actor.handle)	NOT NULL,
-	followed		VARCHAR		REFERENCES (actor.handle)	NOT NULL,
-
-	PRIMARY KEY (
-		follower, 
-		followed
-	)
-);

src/database/query/get-actor_app.sql

@@ -0,0 +1,10 @@
+SELECT 
+	actor.handle,
+	actor.public_rsa, 
+	actor.public_ed, 
+	actor.private_rsa, 
+	actor.private_ed
+FROM 
+	actor
+WHERE 
+	actor.handle = 'app';

src/database/query/get-actor_guild.sql

@@ -1,12 +1,10 @@
 SELECT 
-	actor_guild.handle, 
+	actor.handle,
-	actor_guild.guild_id, 
+	actor.public_rsa, 
-	actor_service.public_rsa, 
+	actor.public_ed, 
-	actor_service.public_ed, 
+	actor.private_rsa, 
-	actor_service.private_rsa, 
+	actor.private_ed
-	actor_service.private_ed
 FROM 
-	actor_guild, 
+	actor
-	actor_service 
 WHERE 
-	actor_guild.steam_id = $1;
+	actor.handle = 'g' || $1;

src/database/query/get-actor_player.sql

@@ -1,12 +1,10 @@
 SELECT 
-	actor_player.handle, 
+	actor.handle,
-	actor_player.steam_id, 
+	actor.public_rsa, 
-	actor_service.public_rsa, 
+	actor.public_ed, 
-	actor_service.public_ed, 
+	actor.private_rsa, 
-	actor_service.private_rsa, 
+	actor.private_ed
-	actor_service.private_ed
 FROM 
-	actor_player, 
+	actor
-	actor_service 
 WHERE 
-	actor_player.steam_id = $1;
+	actor.handle = 'u' || $1;

src/database/query/get-actor_service.sql

@@ -1,8 +0,0 @@
-SELECT
-	actor_service.handle,
-	actor_service.public_rsa, 
-	actor_service.public_ed, 
-	actor_service.private_rsa, 
-	actor_service.private_ed
-FROM
-	actor_service;

src/dv/actor.ts

@@ -0,0 +1,196 @@
+import { Actor, Application, Context, Endpoints, Image, Organization, Person, PropertyValue } from "@fedify/fedify"
+import { ContextData } from "./index.ts"
+import { getLogger } from "@logtape/logtape"
+import { escapeHtml } from "@@x/escape"
+import { DvComponent } from "./component.ts"
+
+
+const l = getLogger(["dotino-veloce", "dv", "actor", "common"])
+const lApp = getLogger(["dotino-veloce", "dv", "actor", "app"])
+const lPlayer = getLogger(["dotino-veloce", "dv", "actor", "player"])
+const lGuild = getLogger(["dotino-veloce", "dv", "actor", "guild"])
+
+
+export class ActorComponent extends DvComponent {
+	static appMatcher = /app/
+	static playerMatcher = /u([0-9]+)/
+	static guildMatcher = /g([0-9]+)/
+
+	async getActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
+		l.info`Getting actor: ${handle}`
+
+		let actor = null
+
+		actor ??= await this.getAppActor(ctx, handle)
+		actor ??= await this.getPlayerActor(ctx, handle)
+		actor ??= await this.getGuildActor(ctx, handle)
+
+		l.debug`Obtained actor: ${handle}`
+
+		return actor
+	}
+
+	async getCommonActorProperties(ctx: Context<ContextData>, handle: string): Promise<Partial<Actor>> {
+		l.info`Generating common actor properties for ${handle}...`
+		const properties = {
+			preferredUsername: handle,
+			id: ctx.getActorUri(handle),
+
+			// This is required for compatibility with a whole lot of servers
+			publicKeys: (await ctx.getActorKeyPairs(handle)).map(keyPair => keyPair.cryptographicKey),
+			assertionMethods: (await ctx.getActorKeyPairs(handle)).map(keyPair => keyPair.multikey),
+
+			// Akkoma requires inboxes to be setup to display profiles
+			// https://akkoma.dev/AkkomaGang/akkoma/src/commit/f1018867097e6f293d8b2b5b6935f0a7ebf99bd0/lib/pleroma/web/activity_pub/object_validators/user_validator.ex#L72
+			inbox: ctx.getInboxUri(handle),
+			endpoints: new Endpoints({
+				sharedInbox: ctx.getInboxUri(),
+			}),
+		}
+		l.debug`Generated common actor properties for ${handle}: ${properties}`
+		return properties
+	}
+
+	async getAppActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
+		lApp.debug`Checking if handle ${handle} matches regex for the app account...`
+		const match = handle.match(ActorComponent.appMatcher)
+		if(!match) {
+			lApp.debug`No match for app account regex, returning null.`
+			return null
+		}
+		lApp.info`Attempting to generate ActivityPub actor for app...`
+
+		lApp.debug`Creating ActivityPub actor for app...`
+		const actor = new Application({
+			...(await this.getCommonActorProperties(ctx, handle)),
+
+			name: "[TEST] Dotino Veloce",
+			summary: "App account of a Dotino Veloce instance.",
+			attachments: [
+				new PropertyValue({
+					name: "Source code",
+					value: `<a href="https://forge.steffo.eu/steffo/dotino-veloce">https://forge.steffo.eu/steffo/dotino-veloce</a>`,
+				}),
+			]
+		})
+
+		lApp.debug`Generated ActivityPub actor for service: ${actor}`
+		return actor
+	}
+
+	async getPlayerActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
+		lPlayer.debug`Checking if handle ${handle} matches regex for player accounts...`
+		const match = handle.match(ActorComponent.playerMatcher)
+		if(!match) {
+			lPlayer.debug`No match for player account regex, returning null.`
+			return null
+		}
+		lApp.info`Attempting to generate ActivityPub actor for player...`
+		
+		lPlayer.debug`Getting handle ${handle}'s SteamID...`
+		const steamId = Number.parseInt(match[1] as any)
+		lPlayer.debug`Handle ${handle}'s SteamID seems to be: ${steamId}`
+
+		lPlayer.debug`Making sure the SteamID parsing didn't explode...`
+		if(!Number.isFinite(steamId)) {
+			lPlayer.error`SteamID parsing for ${handle} exploded with ${steamId}, returning null.`
+			return null
+		}
+
+		lPlayer.debug`Getting player data for ${steamId}...`
+		const player = await this.dv.stratz.doQueryPlayer(steamId)
+		if(player === null) {
+			lPlayer.debug`No Steam account was found with ID: ${steamId}`
+			return null
+		}
+
+		lPlayer.debug`Creating ActivityPub actor for player ${steamId}...`
+		const actor = new Person({
+			...(await this.getCommonActorProperties(ctx, handle)),
+
+			name: `[TEST] ${escapeHtml(player.name)}`,
+			icon: new Image({
+				url: new URL(player.avatar),
+				mediaType: "image/jpeg"
+			}),
+			attachments: [
+				new PropertyValue({
+					name: "Steam",
+					value: `<a href="https://steamcommunity.com/profiles/[U:1:${player.id}]">https://steamcommunity.com/profiles/[U:1:${player.id}]</a>`,
+				}),
+				new PropertyValue({
+					name: "STRATZ",
+					value: `<a href="https://stratz.com/players/${player.id}">https://stratz.com/players/${player.id}</a>`,
+				}),
+				new PropertyValue({
+					name: "OpenDota",
+					value: `<a href="https://www.opendota.com/players/${player.id}">https://www.opendota.com/players/${player.id}</a>`,
+				}),
+				new PropertyValue({
+					name: "DOTABUFF",
+					value: `<a href="https://www.dotabuff.com/players/${player.id}">https://www.dotabuff.com/players/${player.id}</a>`,
+				}),
+			],
+		})
+		lPlayer.debug`Generated ActivityPub actor for player ${steamId}: ${actor}`
+
+		return actor
+	}
+
+	async getGuildActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
+		lGuild.debug`Checking if handle ${handle} matches regex for guild accounts...`
+		const match = handle.match(ActorComponent.guildMatcher)
+		if(!match) {
+			lGuild.debug`No match for guild account regex, returning null.`
+			return null
+		}
+		lApp.info`Attempting to generate ActivityPub actor for guild...`
+
+		lGuild.debug`Getting handle ${handle}'s Guild ID...`
+		const guildId = Number.parseInt(match[1] as any)
+		lGuild.debug`Handle ${handle}'s Guild ID seems to be: ${guildId}`
+
+		lGuild.debug`Making sure the Guild ID parsing didn't explode...`
+		if(Number.isFinite(guildId)) {
+			lGuild.error`Guild ID parsing for ${handle} exploded with ${guildId}, returning null.`
+			return null
+		}
+
+		lPlayer.debug`Getting guild data for ${guildId}...`
+		const guild = await this.dv.stratz.doQueryGuild(guildId)
+		if(guild === null) {
+			lGuild.warn`No guild was found with ID: ${guildId}`
+			return null
+		}
+
+		lGuild.debug`Creating ActivityPub actor for guild ${guildId}...`
+		const actor = new Organization({
+			...(await this.getCommonActorProperties(ctx, handle)),
+
+			name: `[TEST] ${escapeHtml(guild.name)}`,
+			summary: escapeHtml(guild.description),
+			icon: new Image({
+				url: new URL(`https://steamusercontent-a.akamaihd.net/ugc/${guild.logo}`),
+				mediaType: "image/jpeg"
+			}),
+			published: Temporal.Instant.fromEpochMilliseconds(guild.createdDateTime * 1000),
+			attachments: [
+				new PropertyValue({
+					name: "Tag",
+					value: `[<b>${escapeHtml(guild.tag)}</b>]`,
+				}),
+				new PropertyValue({
+					name: "Message of the day",
+					value: escapeHtml(guild.motd),
+				}),
+				new PropertyValue({
+					name: "STRATZ",
+					value: `<a href="https://stratz.com/guilds/${guild.id}">https://stratz.com/guilds/${guild.id}</a>`,
+				}),
+			]
+		})
+		lGuild.debug`Generated ActivityPub actor for guild ${guildId}: ${actor}`
+
+		return actor
+	}
+}

src/dv/component.ts

@@ -0,0 +1,15 @@
+import { getLogger } from "@logtape/logtape"
+import { DotinoVeloce } from "./index.ts"
+
+
+const l = getLogger(["dotino-veloce", "dv", "component"])
+
+
+export class DvComponent {
+	dv: DotinoVeloce
+
+	constructor(dv: DotinoVeloce) {
+		l.debug`Instantiating DvComponent...`
+		this.dv = dv
+	}
+}

src/dv/follow.ts

@@ -0,0 +1,114 @@
+import { getLogger } from "@logtape/logtape"
+import { ContextData } from "./index.ts"
+import { Accept, Context, Follow, Reject } from "@fedify/fedify"
+import { DvComponent } from "./component.ts"
+
+
+const lPlus = getLogger(["dotino-veloce", "dv", "follow", "plus"])
+const lMinus = getLogger(["dotino-veloce", "dv", "follow", "minus"])
+
+
+export class FollowComponent extends DvComponent {
+	async handlePlus(ctx: Context<ContextData>, follow: Follow) {
+		lPlus.debug`Received Follow activity: ${follow}`
+
+		if(!follow.id) {
+			lPlus.warn`Missing follow ID, skipping.`
+			return
+		}
+		if(!follow.actorId) {
+			lPlus.warn`Missing actor ID, skipping.`
+			return
+		}
+		if(!follow.objectId) {
+			lPlus.warn`Missing object ID, skipping.`
+			return
+		}
+
+		lPlus.debug`Attempting to determine who sent the follow request...`
+		const actor = await follow.getActor(ctx)
+
+		if(!actor) {
+			lPlus.warn`Failed to determine who sent the follow request, skipping.`
+			return
+		}
+
+		lPlus.debug`Attempting to determine who is being followed...`
+		const object = ctx.parseUri(follow.objectId)
+
+		if(!object) {
+			lPlus.warn`Failed to determine who is being followed, skipping.`
+			return
+		}
+		if(object.type !== "actor") {
+			lPlus.warn`Attempting to follow something that is not actor, skipping.`
+			return
+		}
+
+		lPlus.info`Confirming follow request from ${follow.actorId} to ${follow.objectId}...`
+
+		lPlus.debug`Storing follow information in the database...`
+		this.dv.db.putFollow(follow.actorId.toString(), follow.objectId.toString())
+
+		lPlus.debug`Sending follow Accept activity...`
+		await ctx.sendActivity(object, "followers", new Accept({
+			object: follow,
+			actor: follow.objectId,
+			to: follow.actorId,
+		}))
+
+		lPlus.debug`Successfully accepted follow request!`
+	}
+	
+	async handleMinus(ctx: Context<ContextData>, follow: Follow) {
+		lMinus.debug`Received Undo Follow activity: ${follow}`
+
+		if(!follow.id) {
+			lMinus.warn`Missing follow ID, skipping.`
+			return
+		}
+		if(!follow.actorId) {
+			lMinus.warn`Missing actor ID, skipping.`
+			return
+		}
+		if(!follow.objectId) {
+			lMinus.warn`Missing object ID, skipping.`
+			return
+		}
+
+		lMinus.debug`Attempting to determine who sent the follow request...`
+		const actor = await follow.getActor(ctx)
+
+		if(!actor) {
+			lMinus.warn`Failed to determine who sent the follow request, skipping.`
+			return
+		}
+
+		lMinus.debug`Attempting to determine who is being followed...`
+		const object = ctx.parseUri(follow.objectId)
+
+		if(!object) {
+			lMinus.warn`Failed to determine who is being followed, skipping.`
+			return
+		}
+		if(object.type !== "actor") {
+			lMinus.warn`Attempting to follow something that is not actor, skipping.`
+			return
+		}
+
+		lMinus.info`Undoing follow request from ${follow.actorId} to ${follow.objectId}...`
+
+		lMinus.debug`Deleting follow information from the database...`
+		this.dv.db.deleteFollow(follow.actorId.toString(), follow.objectId.toString())
+
+		// Do I really need to do this?
+		lMinus.debug`Sending follow Reject activity...`
+		await ctx.sendActivity(object, "followers", new Reject({
+			object: follow,
+			actor: follow.objectId,
+			to: follow.actorId,
+		}))
+
+		lMinus.debug`Successfully undone follow request!`
+	}
+}

src/dv/index.ts

@@ -1,10 +1,12 @@
-// deno-lint-ignore-file require-await
+import { createFederation, Federation, Follow, Undo } from "@fedify/fedify"
-import { createFederation, Person, Application, Image, PropertyValue, Organization, Federation, Context, Actor, Follow, Endpoints, importJwk, Accept } from "@fedify/fedify"
 import { getLogger } from "https://jsr.io/@logtape/logtape/0.6.3/logtape/logger.ts"
-import { escapeHtml } from "@@x/escape"
 import { StratzAPI } from "../stratz/api.ts"
 import { Database } from "../database/index.ts"
-import { handleNodeInfo } from "./nodeinfo.ts"
+import { NodeInfoComponent } from "./nodeinfo.ts"
+import { ActorComponent } from "./actor.ts"
+import { KeyComponent } from "./key.ts"
+import { FollowComponent } from "./follow.ts"
+import { UndoComponent } from "./undo.ts"
 
 
 const l = getLogger(["dotino-veloce", "dv", "index"])
@@ -18,302 +20,43 @@ export class DotinoVeloce {
 	stratz: StratzAPI
 	federation: Federation<ContextData>
 
+	cNodeInfo: NodeInfoComponent
+	cActor: ActorComponent
+	cKey: KeyComponent
+	cFollow: FollowComponent
+	cUndo: UndoComponent
+
 	constructor(db: Database, stratz: StratzAPI) {
 		this.db = db
 		this.stratz = stratz
 
+		this.cNodeInfo = new NodeInfoComponent(this)
+		this.cActor = new ActorComponent(this)
+		this.cKey = new KeyComponent(this)
+		this.cFollow = new FollowComponent(this)
+		this.cUndo = new UndoComponent(this)
+		
 		this.federation = createFederation<ContextData>({ 
 			kv: db.useAsKvStore(),
 			queue: db.useAsMessageQueue(),
 		})
 		
 		this.federation
-			.setActorDispatcher("/users/{identifier}", this.#actorHandler.bind(this))
+			.setActorDispatcher("/users/{identifier}", this.cActor.getActor.bind(this.cActor))
-			.setKeyPairsDispatcher(this.#actorKeys.bind(this))
+			.setKeyPairsDispatcher(this.cKey.getActorKeys.bind(this.cKey))
-			.mapHandle(this.#actorMapper.bind(this))
+			.mapHandle((_, h) => h)
 		
 		this.federation
 			.setInboxListeners("/inbox/{identifier}", "/inbox")
 			// Akkoma with Authorized Fetch requires this to be set
 			// https://p.junimo.party/#/junimo.party/s/AnFW6s3OURPMY04LKq?view=full
-			.setSharedKeyDispatcher(this.#instanceKeys.bind(this))
+			.setSharedKeyDispatcher(this.cKey.getFetchKey.bind(this.cKey))
-			.on(Follow, this.#followHandler.bind(this))
+			.on(Follow, this.cFollow.handlePlus.bind(this.cFollow))
+			.on(Undo, this.cUndo.handle.bind(this.cUndo))
 
 		this.federation
-			.setNodeInfoDispatcher("/nodeinfo/2.1", handleNodeInfo)
+			.setNodeInfoDispatcher("/nodeinfo/2.1", this.cNodeInfo.handle.bind(this.cNodeInfo))
 	}
 
-	async #commonActorProperties(ctx: Context<ContextData>, handle: string): Promise<Partial<Actor>> {
+	// REMINDER: A pattern matcher on received activities could be useful, actually.
-		l.debug`Generating common actor properties for ${handle}...`
-		const properties = {
-			preferredUsername: handle,
-			id: ctx.getActorUri(handle),
-			publicKeys: (await ctx.getActorKeyPairs(handle)).map(keyPair => keyPair.cryptographicKey),
-			assertionMethods: (await ctx.getActorKeyPairs(handle)).map(keyPair => keyPair.multikey),
-			// Akkoma requires inboxes to be setup to display profiles
-			// https://akkoma.dev/AkkomaGang/akkoma/src/commit/f1018867097e6f293d8b2b5b6935f0a7ebf99bd0/lib/pleroma/web/activity_pub/object_validators/user_validator.ex#L72
-			inbox: ctx.getInboxUri(handle),
-			endpoints: new Endpoints({
-				sharedInbox: ctx.getInboxUri(),
-			}),
-		}
-		l.debug`Generated common actor properties for ${handle}: ${properties}`
-		return properties
-	}
-
-	static playerMatcher = /u([0-9]+)/
-
-	async #playerActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
-		l.debug`Checking if handle ${handle} matches regex for player accounts...`
-		const match = handle.match(DotinoVeloce.playerMatcher)
-		if(!match) {
-			l.debug`No match for player account regex, returning null.`
-			return null
-		}
-		
-		l.debug`Getting handle ${handle}'s SteamID...`
-		const steamId = Number.parseInt(match[1] as any)
-		l.debug`Handle ${handle}'s SteamID seems to be: ${steamId}`
-
-		l.debug`Making sure the SteamID parsing didn't explode...`
-		if(!Number.isFinite(steamId)) {
-			l.error`SteamID parsing for ${handle} exploded with ${steamId}, returning null.`
-			return null
-		}
-
-		l.debug`Getting player data for ${steamId}...`
-		const player = await this.stratz.doQueryPlayer(steamId)
-		if(player === null) {
-			l.debug`No Steam account was found with ID: ${steamId}`
-			return null
-		}
-
-		l.debug`Generating ActivityPub actor for player ${steamId}...`
-		const actor = new Person({
-			...(await this.#commonActorProperties(ctx, handle)),
-
-			name: `[TEST] ${escapeHtml(player.name)}`,
-			icon: new Image({
-				url: new URL(player.avatar),
-				mediaType: "image/jpeg"
-			}),
-			attachments: [
-				new PropertyValue({
-					name: "Steam",
-					value: `<a href="https://steamcommunity.com/profiles/[U:1:${player.id}]">https://steamcommunity.com/profiles/[U:1:${player.id}]</a>`,
-				}),
-				new PropertyValue({
-					name: "STRATZ",
-					value: `<a href="https://stratz.com/players/${player.id}">https://stratz.com/players/${player.id}</a>`,
-				}),
-				new PropertyValue({
-					name: "OpenDota",
-					value: `<a href="https://www.opendota.com/players/${player.id}">https://www.opendota.com/players/${player.id}</a>`,
-				}),
-				new PropertyValue({
-					name: "DOTABUFF",
-					value: `<a href="https://www.dotabuff.com/players/${player.id}">https://www.dotabuff.com/players/${player.id}</a>`,
-				}),
-			],
-		})
-		l.debug`Generated ActivityPub actor for player ${steamId}: ${actor}`
-
-		return actor
-	}
-
-	static guildMatcher = /g([0-9]+)/
-
-	async #guildActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
-		l.debug`Checking if handle ${handle} matches regex for guild accounts...`
-		const match = handle.match(DotinoVeloce.guildMatcher)
-		if(!match) {
-			l.debug`No match for guild account regex, returning null.`
-			return null
-		}
-
-		l.debug`Getting handle ${handle}'s Guild ID...`
-		const guildId = Number.parseInt(match[1] as any)
-		l.debug`Handle ${handle}'s Guild ID seems to be: ${guildId}`
-
-		l.debug`Making sure the Guild ID parsing didn't explode...`
-		if(Number.isFinite(guildId)) {
-			l.error`Guild ID parsing for ${handle} exploded with ${guildId}, returning null.`
-			return null
-		}
-
-
-		const guild = await this.stratz.doQueryGuild(guildId)
-
-		if(guild === null) {
-			l.warn`No guild was found with ID: ${guildId}`
-			return null
-		}
-
-		l.debug`Generating ActivityPub actor for guild ${guildId}...`
-		const actor = new Organization({
-			...(await this.#commonActorProperties(ctx, handle)),
-
-			name: `[TEST] ${escapeHtml(guild.name)}`,
-			summary: escapeHtml(guild.description),
-			icon: new Image({
-				url: new URL(`https://steamusercontent-a.akamaihd.net/ugc/${guild.logo}`),
-				mediaType: "image/jpeg"
-			}),
-			published: Temporal.Instant.fromEpochMilliseconds(guild.createdDateTime * 1000),
-			attachments: [
-				new PropertyValue({
-					name: "Tag",
-					value: `[<b>${escapeHtml(guild.tag)}</b>]`,
-				}),
-				new PropertyValue({
-					name: "Message of the day",
-					value: escapeHtml(guild.motd),
-				}),
-				new PropertyValue({
-					name: "STRATZ",
-					value: `<a href="https://stratz.com/guilds/${guild.id}">https://stratz.com/guilds/${guild.id}</a>`,
-				}),
-			]
-		})
-		l.debug`Generated ActivityPub actor for guild ${guildId}: ${actor}`
-
-		return actor
-	}
-
-	static serviceMatcher = /service/
-
-	async #serviceActor(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
-		l.debug`Checking if handle ${handle} matches regex for the service account...`
-		const match = handle.match(DotinoVeloce.serviceMatcher)
-		if(!match) {
-			l.debug`No match for service account regex, returning null.`
-			return null
-		}
-
-		l.debug`Generating ActivityPub actor for service...`
-		const actor = new Application({
-			...(await this.#commonActorProperties(ctx, handle)),
-
-			name: "[TEST] Dotino Veloce",
-			summary: "Service account of a Dotino Veloce instance.",
-			attachments: [
-				new PropertyValue({
-					name: "Source code",
-					value: `<a href="https://forge.steffo.eu/steffo/dotino-veloce">https://forge.steffo.eu/steffo/dotino-veloce</a>`,
-				}),
-			]
-		})
-
-		l.debug`Generated ActivityPub actor for service: ${actor}`
-		return actor
-	}
-
-	async #actorHandler(ctx: Context<ContextData>, handle: string): Promise<Actor | null> {
-		l.info`Handling actor with handle: ${handle}`
-
-		let actor = null
-
-		actor ??= await this.#serviceActor(ctx, handle)
-		actor ??= await this.#playerActor(ctx, handle)
-		actor ??= await this.#guildActor(ctx, handle)
-
-		return actor
-	}
-
-	async #actorMapper(_ctx: Context<ContextData>, handle: string): Promise<string> {
-		l.debug`Getting handle mapping for: ${handle}`
-		return handle
-	}
-
-	async #actorKeys(_ctx: Context<ContextData>, handle: string): Promise<CryptoKeyPair[]> {
-		l.debug`Getting keys for: ${handle}`
-
-		l.debug`Requesting keys from the database...`
-		const {
-			public_rsa: publicRsaJwk,
-			public_ed: publicEdJwk,
-			private_rsa: privateRsaJwk,
-			private_ed: privateEdJwk,
-		} = await this.db.getActorService()
-
-		l.debug`Importing keys from JWK format...`
-		const publicRsa = await importJwk(publicRsaJwk, "public")
-		const publicEd = await importJwk(publicEdJwk, "public")
-		const privateRsa = await importJwk(privateRsaJwk, "private")
-		const privateEd = await importJwk(privateEdJwk, "private")
-
-		l.debug`Bundling keys...`
-		const result = [
-			{
-				publicKey: publicRsa,
-				privateKey: privateRsa,
-			},
-			{
-				publicKey: publicEd,
-				privateKey: privateEd,
-			}
-		]
-		l.debug`Bundled keys are: ${result}`
-
-		return result
-	}
-
-	async #instanceKeys(_ctx: Context<ContextData>): Promise<{ identifier: string }> {
-		l.debug`Getting instance keys...`
-		return {"identifier": "garasauto"}
-	}
-
-	async #authorizationHandler(_ctx: Context<ContextData>, _handle: string, _signedKey: unknown, _signedKeyOwner: unknown): Promise<boolean> {
-		return true
-	}
-
-	async #followHandler(ctx: Context<ContextData>, follow: Follow) {
-		l.info`Handling follow request: ${follow}`
-
-		if(!follow.id) {
-			l.warn`Missing follow ID, skipping.`
-			return
-		}
-		if(!follow.actorId) {
-			l.warn`Missing actor ID, skipping.`
-			return
-		}
-		if(!follow.objectId) {
-			l.warn`Missing object ID, skipping.`
-			return
-		}
-
-		l.debug`Attempting to determine what is being followed...`
-		const object = ctx.parseUri(follow.objectId)
-		l.debug`Object is: ${object}`
-
-		if(!object) {
-			l.warn`Failed to determine what is being followed, skipping.`
-			return
-		}
-		if(object.type !== "actor") {
-			l.warn`Attempting to follow something that is not actor, skipping.`
-			return
-		}
-
-		l.debug`Attempting to determine who sent the follow request...`
-		const actor = await follow.getActor(ctx)
-		l.debug`Actor is: ${actor}`
-
-		if(!actor) {
-			l.warn`Failed to determine who sent the follow request, skipping.`
-			return
-		}
-		if(object.type !== "actor") {
-			l.warn`Being followed by someone who isn't an actor, skipping.`
-			return
-		}
-
-		l.info`Accepting follow request from ${follow.actorId} to ${follow.objectId}...`
-		await ctx.sendActivity(object, "followers", new Accept({
-			object: follow,
-			actor: follow.objectId,
-			to: follow.actorId,
-		}))
-	}
 }

src/dv/key.ts

@@ -0,0 +1,68 @@
+import { Context, importJwk, SenderKeyPair } from "@fedify/fedify"
+import { ContextData } from "./index.ts"
+import { getLogger } from "@logtape/logtape"
+import { DvComponent } from "./component.ts"
+
+
+const lActor = getLogger(["dotino-veloce", "dv", "key", "actor"])
+const lFetch = getLogger(["dotino-veloce", "dv", "key", "fetch"])
+
+
+export class KeyComponent extends DvComponent {
+	async getActorKeys(_ctx: Context<ContextData>, handle: string): Promise<CryptoKeyPair[]> {
+		lActor.info`Getting actor keys for: ${handle}`
+
+		lActor.debug`Requesting keys from the database...`
+		const {
+			public_rsa: publicRsaJwk,
+			public_ed: publicEdJwk,
+			private_rsa: privateRsaJwk,
+			private_ed: privateEdJwk,
+		} = await this.dv.db.getActorApp()
+
+		lActor.debug`Importing keys from JWK format...`
+		const publicRsa = await importJwk(publicRsaJwk, "public")
+		const publicEd = await importJwk(publicEdJwk, "public")
+		const privateRsa = await importJwk(privateRsaJwk, "private")
+		const privateEd = await importJwk(privateEdJwk, "private")
+
+		lActor.debug`Bundling keys...`
+		const result = [
+			{
+				publicKey: publicRsa,
+				privateKey: privateRsa,
+			},
+			{
+				publicKey: publicEd,
+				privateKey: privateEd,
+			}
+		]
+		lActor.debug`Bundled keys are: ${result}`
+
+		return result
+	}
+
+	async getFetchKey(ctx: Context<ContextData>): Promise<SenderKeyPair> {
+		lFetch.info`Getting fetch key...`
+
+		lFetch.debug`Requesting key from the database...`
+		const {
+			private_rsa: privateKeyJwk,
+		} = await this.dv.db.getActorApp()
+
+		lFetch.debug`Importing key from JWK format...`
+		const privateKey = await importJwk(privateKeyJwk, "private")
+
+		lFetch.debug`Getting app actor URI...`
+		const keyId = ctx.getActorUri("app")
+
+		lFetch.debug`Appending #main-key to the app actor URI...`
+		keyId.hash = "main-key"
+
+		lFetch.debug`Bundling key...`
+		const result = {privateKey, keyId}
+		lFetch.debug`Bundled key is: ${result}`
+
+		return result
+	}
+}

src/dv/nodeinfo.ts

@@ -1,14 +1,15 @@
 import { Context, NodeInfo } from "@fedify/fedify"
 import { ContextData } from "./index.ts"
 import { getLogger } from "@logtape/logtape"
+import { DvComponent } from "./component.ts"
 
 
 const l = getLogger(["dotino-veloce", "dv", "nodeinfo"])
 
 
-export function handleNodeInfo(_ctx: Context<ContextData>): NodeInfo {
+export class NodeInfoComponent extends DvComponent {
-	l.info`Creating nodeinfo for...`
+	handle(_ctx: Context<ContextData>): NodeInfo {
-
+		l.debug`Creating nodeinfo...`
 		return {
 			software: {
 				name: "dotino-veloce",
@@ -31,3 +32,4 @@ export function handleNodeInfo(_ctx: Context<ContextData>): NodeInfo {
 			}
 		}
 	}
+}

src/dv/undo.ts

@@ -0,0 +1,14 @@
+import { getLogger } from "@logtape/logtape"
+import { ContextData } from "./index.ts"
+import { Context, Undo } from "@fedify/fedify"
+import { DvComponent } from "./component.ts"
+
+
+const l = getLogger(["dotino-veloce", "dv", "undo"])
+
+
+export class UndoComponent extends DvComponent {
+	async handle(_ctx: Context<ContextData>, undo: Undo) {
+		l.error`Not implemented: ${undo}`
+	}
+}