feat(federation): ✨ Add new RequestParserHandler to less verbosely handle body parsing

federation/cryptography/index.ts

@@ -321,9 +321,7 @@ export class SignatureConstructor {
             }\n` +
             `host: ${url.host}\n` +
             `date: ${finalDate}\n` +
-            `digest: SHA-256=${Buffer.from(new Uint8Array(digest)).toString(
+            `digest: SHA-256=${Buffer.from(digest).toString("base64")}\n`;
-                "base64",
-            )}\n`;
 
         const signature = await crypto.subtle.sign(
             "Ed25519",

federation/http/index.test.ts

@@ -0,0 +1,95 @@
+import { beforeEach, describe, expect, jest, test } from "bun:test";
+import { RequestParserHandler } from "../http/index.ts";
+import { EntityValidator } from "../validator/index.ts";
+
+// Pulled from social.lysand.org
+const validUser = {
+    id: "018eb863-753f-76ff-83d6-fd590de7740a",
+    type: "User",
+    uri: "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a",
+    bio: {
+        "text/html": {
+            content: "<p>Hey</p>\n",
+        },
+    },
+    created_at: "2024-04-07T11:48:29.623Z",
+    dislikes:
+        "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/dislikes",
+    featured:
+        "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/featured",
+    likes: "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/likes",
+    followers:
+        "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/followers",
+    following:
+        "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/following",
+    inbox: "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/inbox",
+    outbox: "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a/outbox",
+    indexable: false,
+    username: "jessew",
+    display_name: "Jesse Wierzbinski",
+    fields: [
+        {
+            key: { "text/html": { content: "<p>Identity</p>\n" } },
+            value: {
+                "text/html": {
+                    content:
+                        '<p><a href="https://keyoxide.org/aspe:keyoxide.org:NKLLPWPV7P35NEU7JP4K4ID4CA">https://keyoxide.org/aspe:keyoxide.org:NKLLPWPV7P35NEU7JP4K4ID4CA</a></p>\n',
+                },
+            },
+        },
+    ],
+    public_key: {
+        actor: "https://social.lysand.org/users/018eb863-753f-76ff-83d6-fd590de7740a",
+        public_key: "XXXXXXXX",
+    },
+    extensions: { "org.lysand:custom_emojis": { emojis: [] } },
+};
+
+describe("LysandRequestHandler", () => {
+    let validator: EntityValidator;
+
+    beforeEach(() => {
+        validator = new EntityValidator();
+    });
+
+    test("parseBody with valid User", async () => {
+        const handler = new RequestParserHandler(validUser, validator);
+
+        const noteCallback = jest.fn();
+        await handler.parseBody({ user: noteCallback });
+
+        expect(noteCallback).toHaveBeenCalled();
+    });
+
+    test("Throw on invalid Note", async () => {
+        const handler = new RequestParserHandler(
+            {
+                type: "Note",
+                body: "bad",
+            },
+            validator,
+        );
+
+        const noteCallback = jest.fn();
+        await expect(
+            handler.parseBody({ note: noteCallback }),
+        ).rejects.toThrow();
+        expect(noteCallback).not.toHaveBeenCalled();
+    });
+
+    test("Throw on incorrect body type property", async () => {
+        const handler = new RequestParserHandler(
+            {
+                type: "DoesntExist",
+                body: "bad",
+            },
+            validator,
+        );
+
+        const noteCallback = jest.fn();
+        await expect(
+            handler.parseBody({ note: noteCallback }),
+        ).rejects.toThrow();
+        expect(noteCallback).not.toHaveBeenCalled();
+    });
+});

federation/http/index.ts

@@ -0,0 +1,129 @@
+import type { EntityValidator } from "../validator/index";
+
+type MaybePromise<T> = T | Promise<T>;
+
+type ParserCallbacks = {
+    note: (note: typeof EntityValidator.$Note) => MaybePromise<void>;
+    follow: (follow: typeof EntityValidator.$Follow) => MaybePromise<void>;
+    followAccept: (
+        followAccept: typeof EntityValidator.$FollowAccept,
+    ) => MaybePromise<void>;
+    followReject: (
+        followReject: typeof EntityValidator.$FollowReject,
+    ) => MaybePromise<void>;
+    user: (user: typeof EntityValidator.$User) => MaybePromise<void>;
+    like: (like: typeof EntityValidator.$Like) => MaybePromise<void>;
+    dislike: (dislike: typeof EntityValidator.$Dislike) => MaybePromise<void>;
+    undo: (undo: typeof EntityValidator.$Undo) => MaybePromise<void>;
+    serverMetadata: (
+        serverMetadata: typeof EntityValidator.$ServerMetadata,
+    ) => MaybePromise<void>;
+    extension: (
+        extension: typeof EntityValidator.$Extension,
+    ) => MaybePromise<void>;
+};
+
+export class RequestParserHandler {
+    constructor(
+        private readonly body: Record<
+            string,
+            string | number | object | boolean | null
+        >,
+        private readonly validator: EntityValidator,
+    ) {}
+
+    /**
+     * Parse the body of the request and call the appropriate callback.
+     * @param callbacks The callbacks to call when a specific entity is found.
+     * @returns A promise that resolves when the body has been parsed, and the callbacks have finished executing.
+     */
+    public async parseBody(callbacks: Partial<ParserCallbacks>): Promise<void> {
+        if (!this.body.type) throw new Error("Missing type field in body");
+
+        switch (this.body.type) {
+            case "Note": {
+                const note = await this.validator.Note(this.body);
+
+                if (callbacks.note) await callbacks.note(note);
+
+                break;
+            }
+            case "Follow": {
+                const follow = await this.validator.Follow(this.body);
+
+                if (callbacks.follow) await callbacks.follow(follow);
+
+                break;
+            }
+            case "FollowAccept": {
+                const followAccept = await this.validator.FollowAccept(
+                    this.body,
+                );
+
+                if (callbacks.followAccept)
+                    await callbacks.followAccept(followAccept);
+
+                break;
+            }
+            case "FollowReject": {
+                const followReject = await this.validator.FollowReject(
+                    this.body,
+                );
+
+                if (callbacks.followReject)
+                    await callbacks.followReject(followReject);
+
+                break;
+            }
+            case "User": {
+                const user = await this.validator.User(this.body);
+
+                if (callbacks.user) await callbacks.user(user);
+
+                break;
+            }
+            case "Like": {
+                const like = await this.validator.Like(this.body);
+
+                if (callbacks.like) await callbacks.like(like);
+
+                break;
+            }
+            case "Dislike": {
+                const dislike = await this.validator.Dislike(this.body);
+
+                if (callbacks.dislike) await callbacks.dislike(dislike);
+
+                break;
+            }
+            case "Undo": {
+                const undo = await this.validator.Undo(this.body);
+
+                if (callbacks.undo) await callbacks.undo(undo);
+
+                break;
+            }
+            case "ServerMetadata": {
+                const serverMetadata = await this.validator.ServerMetadata(
+                    this.body,
+                );
+
+                if (callbacks.serverMetadata)
+                    await callbacks.serverMetadata(serverMetadata);
+
+                break;
+            }
+            case "Extension": {
+                const extension = await this.validator.Extension(this.body);
+
+                if (callbacks.extension) await callbacks.extension(extension);
+
+                break;
+            }
+            default:
+                throw new Error(
+                    `Invalid type field in body: ${this.body.type}`,
+                );
+        }
+    }
+}

federation/index.ts

@@ -5,323 +5,15 @@
  * @see module:federation/schemas/base
  */
 
-import type { z } from "zod";
+import type { ValidationError } from "zod-validation-error";
-import { type ValidationError, fromError } from "zod-validation-error";
 import { SignatureConstructor, SignatureValidator } from "./cryptography";
-import {
+import { RequestParserHandler } from "./http";
-    ActionSchema,
+import { EntityValidator } from "./validator";
-    ActorPublicKeyDataSchema,
-    ContentFormatSchema,
-    CustomEmojiExtension,
-    DislikeSchema,
-    EntitySchema,
-    ExtensionPropertySchema,
-    ExtensionSchema,
-    FollowAcceptSchema,
-    FollowRejectSchema,
-    FollowSchema,
-    LikeSchema,
-    NoteSchema,
-    PatchSchema,
-    PublicationSchema,
-    ReportSchema,
-    ServerMetadataSchema,
-    UndoSchema,
-    UserSchema,
-    VanityExtensionSchema,
-    VisibilitySchema,
-} from "./schemas/base";
-
-// biome-ignore lint/suspicious/noExplicitAny: Used only as a base type
-type AnyZod = z.ZodType<any, any, any>;
-
-type InferType<T extends AnyZod> = z.infer<T>;
-
-/**
- * Validates entities against their respective schemas.
- * @module federation/validator
- * @see module:federation/schemas/base
- * @example
- * import { EntityValidator, type ValidationError } from "@lysand-org/federation";
- * const validator = new EntityValidator();
- *
- * // Will throw a special ValidationError with a human-friendly error message
- * // and a machine-friendly error object if the data is invalid.
- * const note = await validator.Note({
- *     type: "Note",
- *     content: "Hello, world!",
- * });
- *
- * try {
- *     await validator.Note({
- *         type: "Note",
- *         content: 123,
- *     });
- * } catch (error) {
- *     sendUser((error as ValidationError).toString());
- * }
- *
- * // Types are also included for TypeScript users that don't use the extracted ones
- * const noteObject: typeof EntityValidator.$Note = {
- *     type: "Note",
- *     // ...
- * }
- */
-class EntityValidator {
-    private async validate<T extends AnyZod>(
-        schema: T,
-        data: unknown,
-    ): Promise<InferType<T>> {
-        try {
-            return (await schema.parseAsync(data)) as InferType<T>;
-        } catch (error) {
-            throw fromError(error);
-        }
-    }
-
-    declare static $Note: InferType<typeof NoteSchema>;
-    declare static $Patch: InferType<typeof PatchSchema>;
-    declare static $ActorPublicKeyData: InferType<
-        typeof ActorPublicKeyDataSchema
-    >;
-    declare static $ExtensionProperty: InferType<
-        typeof ExtensionPropertySchema
-    >;
-    declare static $VanityExtension: InferType<typeof VanityExtensionSchema>;
-    declare static $User: InferType<typeof UserSchema>;
-    declare static $Action: InferType<typeof ActionSchema>;
-    declare static $Like: InferType<typeof LikeSchema>;
-    declare static $Undo: InferType<typeof UndoSchema>;
-    declare static $Dislike: InferType<typeof DislikeSchema>;
-    declare static $Follow: InferType<typeof FollowSchema>;
-    declare static $FollowAccept: InferType<typeof FollowAcceptSchema>;
-    declare static $FollowReject: InferType<typeof FollowRejectSchema>;
-    declare static $Extension: InferType<typeof ExtensionSchema>;
-    declare static $Report: InferType<typeof ReportSchema>;
-    declare static $ServerMetadata: InferType<typeof ServerMetadataSchema>;
-    declare static $ContentFormat: InferType<typeof ContentFormatSchema>;
-    declare static $CustomEmojiExtension: InferType<
-        typeof CustomEmojiExtension
-    >;
-    declare static $Visibility: InferType<typeof VisibilitySchema>;
-    declare static $Publication: InferType<typeof PublicationSchema>;
-    declare static $Entity: InferType<typeof EntitySchema>;
-
-    /**
-     * Validates a Note entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Note(data: unknown): Promise<InferType<typeof NoteSchema>> {
-        return this.validate(NoteSchema, data);
-    }
-
-    /**
-     * Validates a Patch entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Patch(data: unknown): Promise<InferType<typeof PatchSchema>> {
-        return this.validate(PatchSchema, data);
-    }
-
-    /**
-     * Validates an ActorPublicKeyData entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public ActorPublicKeyData(
-        data: unknown,
-    ): Promise<InferType<typeof ActorPublicKeyDataSchema>> {
-        return this.validate(ActorPublicKeyDataSchema, data);
-    }
-
-    /**
-     * Validates a VanityExtension entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public VanityExtension(
-        data: unknown,
-    ): Promise<InferType<typeof VanityExtensionSchema>> {
-        return this.validate(VanityExtensionSchema, data);
-    }
-
-    /**
-     * Validates a User entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public User(data: unknown): Promise<InferType<typeof UserSchema>> {
-        return this.validate(UserSchema, data);
-    }
-
-    /**
-     * Validates an Action entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Action(data: unknown): Promise<InferType<typeof ActionSchema>> {
-        return this.validate(ActionSchema, data);
-    }
-
-    /**
-     * Validates a Like entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Like(data: unknown): Promise<InferType<typeof LikeSchema>> {
-        return this.validate(LikeSchema, data);
-    }
-
-    /**
-     * Validates an Undo entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Undo(data: unknown): Promise<InferType<typeof UndoSchema>> {
-        return this.validate(UndoSchema, data);
-    }
-
-    /**
-     * Validates a Dislike entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Dislike(data: unknown): Promise<InferType<typeof DislikeSchema>> {
-        return this.validate(DislikeSchema, data);
-    }
-
-    /**
-     * Validates a Follow entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Follow(data: unknown): Promise<InferType<typeof FollowSchema>> {
-        return this.validate(FollowSchema, data);
-    }
-
-    /**
-     * Validates a FollowAccept entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public FollowAccept(
-        data: unknown,
-    ): Promise<InferType<typeof FollowAcceptSchema>> {
-        return this.validate(FollowAcceptSchema, data);
-    }
-
-    /**
-     * Validates a FollowReject entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public FollowReject(
-        data: unknown,
-    ): Promise<InferType<typeof FollowRejectSchema>> {
-        return this.validate(FollowRejectSchema, data);
-    }
-
-    /**
-     * Validates an Extension entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Extension(
-        data: unknown,
-    ): Promise<InferType<typeof ExtensionSchema>> {
-        return this.validate(ExtensionSchema, data);
-    }
-
-    /**
-     * Validates a Report entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Report(data: unknown): Promise<InferType<typeof ReportSchema>> {
-        return this.validate(ReportSchema, data);
-    }
-
-    /**
-     * Validates a ServerMetadata entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public ServerMetadata(
-        data: unknown,
-    ): Promise<InferType<typeof ServerMetadataSchema>> {
-        return this.validate(ServerMetadataSchema, data);
-    }
-
-    /**
-     * Validates a ContentFormat entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public ContentFormat(
-        data: unknown,
-    ): Promise<InferType<typeof ContentFormatSchema>> {
-        return this.validate(ContentFormatSchema, data);
-    }
-
-    /**
-     * Validates a CustomEmojiExtension entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public CustomEmojiExtension(
-        data: unknown,
-    ): Promise<InferType<typeof CustomEmojiExtension>> {
-        return this.validate(CustomEmojiExtension, data);
-    }
-
-    /**
-     * Validates a Visibility entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Visibility(
-        data: unknown,
-    ): Promise<InferType<typeof VisibilitySchema>> {
-        return this.validate(VisibilitySchema, data);
-    }
-
-    /**
-     * Validates a Publication entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Publication(
-        data: unknown,
-    ): Promise<InferType<typeof PublicationSchema>> {
-        return this.validate(PublicationSchema, data);
-    }
-
-    /**
-     * Validates an Entity.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public Entity(data: unknown): Promise<InferType<typeof EntitySchema>> {
-        return this.validate(EntitySchema, data);
-    }
-
-    /**
-     * Validates an ExtensionProperty.
-     * @param data - The data to validate
-     * @returns A promise that resolves to the validated data.
-     */
-    public ExtensionProperty(
-        data: unknown,
-    ): Promise<InferType<typeof ExtensionPropertySchema>> {
-        return this.validate(ExtensionPropertySchema, data);
-    }
-}
 
 export {
     EntityValidator,
     type ValidationError,
     SignatureConstructor,
     SignatureValidator,
+    RequestParserHandler,
 };

federation/tests/index.test.ts

@@ -1,5 +1,4 @@
 import { describe, expect, it } from "bun:test";
-import type { ValidationError } from "zod-validation-error";
 import { EntityValidator } from "../index";
 
 describe("Package testing", () => {

federation/validator/index.ts

@@ -0,0 +1,312 @@
+import type { z } from "zod";
+import { fromError } from "zod-validation-error";
+import {
+    ActionSchema,
+    ActorPublicKeyDataSchema,
+    ContentFormatSchema,
+    CustomEmojiExtension,
+    DislikeSchema,
+    EntitySchema,
+    ExtensionPropertySchema,
+    ExtensionSchema,
+    FollowAcceptSchema,
+    FollowRejectSchema,
+    FollowSchema,
+    LikeSchema,
+    NoteSchema,
+    PatchSchema,
+    PublicationSchema,
+    ReportSchema,
+    ServerMetadataSchema,
+    UndoSchema,
+    UserSchema,
+    VanityExtensionSchema,
+    VisibilitySchema,
+} from "../schemas/base";
+
+// biome-ignore lint/suspicious/noExplicitAny: Used only as a base type
+type AnyZod = z.ZodType<any, any, any>;
+
+type InferType<T extends AnyZod> = z.infer<T>;
+
+/**
+ * Validates entities against their respective schemas.
+ * @module federation/validator
+ * @see module:federation/schemas/base
+ * @example
+ * import { EntityValidator, type ValidationError } from "@lysand-org/federation";
+ * const validator = new EntityValidator();
+ *
+ * // Will throw a special ValidationError with a human-friendly error message
+ * // and a machine-friendly error object if the data is invalid.
+ * const note = await validator.Note({
+ *     type: "Note",
+ *     content: "Hello, world!",
+ * });
+ *
+ * try {
+ *     await validator.Note({
+ *         type: "Note",
+ *         content: 123,
+ *     });
+ * } catch (error) {
+ *     sendUser((error as ValidationError).toString());
+ * }
+ *
+ * // Types are also included for TypeScript users that don't use the extracted ones
+ * const noteObject: typeof EntityValidator.$Note = {
+ *     type: "Note",
+ *     // ...
+ * }
+ */
+export class EntityValidator {
+    private async validate<T extends AnyZod>(
+        schema: T,
+        data: unknown,
+    ): Promise<InferType<T>> {
+        try {
+            return (await schema.parseAsync(data)) as InferType<T>;
+        } catch (error) {
+            throw fromError(error);
+        }
+    }
+
+    declare static $Note: InferType<typeof NoteSchema>;
+    declare static $Patch: InferType<typeof PatchSchema>;
+    declare static $ActorPublicKeyData: InferType<
+        typeof ActorPublicKeyDataSchema
+    >;
+    declare static $ExtensionProperty: InferType<
+        typeof ExtensionPropertySchema
+    >;
+    declare static $VanityExtension: InferType<typeof VanityExtensionSchema>;
+    declare static $User: InferType<typeof UserSchema>;
+    declare static $Action: InferType<typeof ActionSchema>;
+    declare static $Like: InferType<typeof LikeSchema>;
+    declare static $Undo: InferType<typeof UndoSchema>;
+    declare static $Dislike: InferType<typeof DislikeSchema>;
+    declare static $Follow: InferType<typeof FollowSchema>;
+    declare static $FollowAccept: InferType<typeof FollowAcceptSchema>;
+    declare static $FollowReject: InferType<typeof FollowRejectSchema>;
+    declare static $Extension: InferType<typeof ExtensionSchema>;
+    declare static $Report: InferType<typeof ReportSchema>;
+    declare static $ServerMetadata: InferType<typeof ServerMetadataSchema>;
+    declare static $ContentFormat: InferType<typeof ContentFormatSchema>;
+    declare static $CustomEmojiExtension: InferType<
+        typeof CustomEmojiExtension
+    >;
+    declare static $Visibility: InferType<typeof VisibilitySchema>;
+    declare static $Publication: InferType<typeof PublicationSchema>;
+    declare static $Entity: InferType<typeof EntitySchema>;
+
+    /**
+     * Validates a Note entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Note(data: unknown): Promise<InferType<typeof NoteSchema>> {
+        return this.validate(NoteSchema, data);
+    }
+
+    /**
+     * Validates a Patch entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Patch(data: unknown): Promise<InferType<typeof PatchSchema>> {
+        return this.validate(PatchSchema, data);
+    }
+
+    /**
+     * Validates an ActorPublicKeyData entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public ActorPublicKeyData(
+        data: unknown,
+    ): Promise<InferType<typeof ActorPublicKeyDataSchema>> {
+        return this.validate(ActorPublicKeyDataSchema, data);
+    }
+
+    /**
+     * Validates a VanityExtension entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public VanityExtension(
+        data: unknown,
+    ): Promise<InferType<typeof VanityExtensionSchema>> {
+        return this.validate(VanityExtensionSchema, data);
+    }
+
+    /**
+     * Validates a User entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public User(data: unknown): Promise<InferType<typeof UserSchema>> {
+        return this.validate(UserSchema, data);
+    }
+
+    /**
+     * Validates an Action entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Action(data: unknown): Promise<InferType<typeof ActionSchema>> {
+        return this.validate(ActionSchema, data);
+    }
+
+    /**
+     * Validates a Like entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Like(data: unknown): Promise<InferType<typeof LikeSchema>> {
+        return this.validate(LikeSchema, data);
+    }
+
+    /**
+     * Validates an Undo entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Undo(data: unknown): Promise<InferType<typeof UndoSchema>> {
+        return this.validate(UndoSchema, data);
+    }
+
+    /**
+     * Validates a Dislike entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Dislike(data: unknown): Promise<InferType<typeof DislikeSchema>> {
+        return this.validate(DislikeSchema, data);
+    }
+
+    /**
+     * Validates a Follow entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Follow(data: unknown): Promise<InferType<typeof FollowSchema>> {
+        return this.validate(FollowSchema, data);
+    }
+
+    /**
+     * Validates a FollowAccept entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public FollowAccept(
+        data: unknown,
+    ): Promise<InferType<typeof FollowAcceptSchema>> {
+        return this.validate(FollowAcceptSchema, data);
+    }
+
+    /**
+     * Validates a FollowReject entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public FollowReject(
+        data: unknown,
+    ): Promise<InferType<typeof FollowRejectSchema>> {
+        return this.validate(FollowRejectSchema, data);
+    }
+
+    /**
+     * Validates an Extension entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Extension(
+        data: unknown,
+    ): Promise<InferType<typeof ExtensionSchema>> {
+        return this.validate(ExtensionSchema, data);
+    }
+
+    /**
+     * Validates a Report entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Report(data: unknown): Promise<InferType<typeof ReportSchema>> {
+        return this.validate(ReportSchema, data);
+    }
+
+    /**
+     * Validates a ServerMetadata entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public ServerMetadata(
+        data: unknown,
+    ): Promise<InferType<typeof ServerMetadataSchema>> {
+        return this.validate(ServerMetadataSchema, data);
+    }
+
+    /**
+     * Validates a ContentFormat entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public ContentFormat(
+        data: unknown,
+    ): Promise<InferType<typeof ContentFormatSchema>> {
+        return this.validate(ContentFormatSchema, data);
+    }
+
+    /**
+     * Validates a CustomEmojiExtension entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public CustomEmojiExtension(
+        data: unknown,
+    ): Promise<InferType<typeof CustomEmojiExtension>> {
+        return this.validate(CustomEmojiExtension, data);
+    }
+
+    /**
+     * Validates a Visibility entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Visibility(
+        data: unknown,
+    ): Promise<InferType<typeof VisibilitySchema>> {
+        return this.validate(VisibilitySchema, data);
+    }
+
+    /**
+     * Validates a Publication entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Publication(
+        data: unknown,
+    ): Promise<InferType<typeof PublicationSchema>> {
+        return this.validate(PublicationSchema, data);
+    }
+
+    /**
+     * Validates an Entity.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public Entity(data: unknown): Promise<InferType<typeof EntitySchema>> {
+        return this.validate(EntitySchema, data);
+    }
+
+    /**
+     * Validates an ExtensionProperty.
+     * @param data - The data to validate
+     * @returns A promise that resolves to the validated data.
+     */
+    public ExtensionProperty(
+        data: unknown,
+    ): Promise<InferType<typeof ExtensionPropertySchema>> {
+        return this.validate(ExtensionPropertySchema, data);
+    }
+}