// @effect-diagnostics nodeBuiltinImport:offimport * as NodeFS from "node:fs";import * as NodePath from "node:path"; import * as NodeServices from "@effect/platform-node/NodeServices";import { describe, expect, it } from "@effect/vitest";import * as Deferred from "effect/Deferred";import * as Effect from "effect/Effect";import * as Fiber from "effect/Fiber";import * as Layer from "effect/Layer";import * as Schema from "effect/Schema";import * as Stream from "effect/Stream";import * as TestClock from "effect/testing/TestClock"; import * as ServerSecretStore from "../auth/ServerSecretStore.ts";import { base64UrlEncode, signPayload } from "../auth/utils.ts";import * as ServerConfig from "../config.ts";import { parseThreadSegmentFromAttachmentId } from "../attachmentStore.ts";import {  ATTACHMENT_UPLOAD_ROUTE_PREFIX,  deletePendingAttachment,  issueAttachmentUploadUrl,  storeAttachmentUpload,  validateAttachmentUploadToken,} from "./AttachmentUpload.ts"; const testLayer = ServerSecretStore.layer.pipe(  Layer.provideMerge(ServerConfig.layerTest(process.cwd(), { prefix: "t3-attachment-upload-" })),  Layer.provideMerge(NodeServices.layer),); const uploadInput = {  name: "screenshot.png",  mimeType: "image/png",  sizeBytes: 6,} as const; const LegacyAttachmentUploadClaims = Schema.Struct({  version: Schema.Literal(1),  kind: Schema.Literal("attachment-upload"),  attachmentId: Schema.String,  name: Schema.String,  mimeType: Schema.String,  sizeBytes: Schema.Number,  expiresAt: Schema.Number,});const encodeLegacyAttachmentUploadClaims = Schema.encodeEffect(  Schema.fromJsonString(LegacyAttachmentUploadClaims),); describe("AttachmentUpload", () => {  it.effect("signs the attachment metadata and validates the upload token", () =>    Effect.gen(function* () {      const issued = yield* issueAttachmentUploadUrl(uploadInput);      expect(parseThreadSegmentFromAttachmentId(issued.attachmentId)).toBe("pending");       const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      expect(yield* validateAttachmentUploadToken(token)).toMatchObject({        kind: "attachment-upload",        attachmentId: issued.attachmentId,        name: "screenshot.png",        mimeType: "image/png",        sizeBytes: 6,      });    }).pipe(Effect.provide(testLayer)),  );   it.effect("rejects tampered and malformed upload tokens", () =>    Effect.gen(function* () {      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      const [payload, signature] = token.split(".");       expect(yield* validateAttachmentUploadToken(`${payload}x.${signature}`)).toBeNull();      expect(yield* validateAttachmentUploadToken(`${token}.extra`)).toBeNull();      expect(yield* validateAttachmentUploadToken("garbage")).toBeNull();    }).pipe(Effect.provide(testLayer)),  );   it.effect("accepts unexpired image upload tokens issued before file support", () =>    Effect.gen(function* () {      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const secretStore = yield* ServerSecretStore.ServerSecretStore;      const secret = yield* secretStore.getOrCreateRandom("asset-access-signing-key", 32);      const encodedPayload = base64UrlEncode(        yield* encodeLegacyAttachmentUploadClaims({          version: 1,          kind: "attachment-upload",          attachmentId: issued.attachmentId,          name: uploadInput.name,          mimeType: uploadInput.mimeType,          sizeBytes: uploadInput.sizeBytes,          expiresAt: issued.expiresAt,        }),      );      const legacyToken = `${encodedPayload}.${signPayload(encodedPayload, secret)}`;       expect(yield* validateAttachmentUploadToken(legacyToken)).toMatchObject({        type: "image",        attachmentId: issued.attachmentId,      });    }).pipe(Effect.provide(testLayer)),  );   it.effect("rejects expired upload tokens", () =>    Effect.gen(function* () {      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);       yield* TestClock.adjust("11 minutes");      expect(yield* validateAttachmentUploadToken(token)).toBeNull();    }).pipe(Effect.provide(testLayer)),  );   it.effect("removes expired pending uploads while issuing a new upload URL", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const staleId = "pending-00000000-0000-4000-8000-0000000000cc";      const stalePath = NodePath.join(config.attachmentsDir, `${staleId}.png`);      NodeFS.writeFileSync(stalePath, Buffer.from("pixels"));      NodeFS.utimesSync(stalePath, 0, 0);       yield* TestClock.adjust("25 hours");      yield* issueAttachmentUploadUrl(uploadInput);       expect(NodeFS.existsSync(stalePath)).toBe(false);    }).pipe(Effect.provide(testLayer)),  );   it.effect("stores the expected bytes without leaving temporary files", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      const claims = yield* validateAttachmentUploadToken(token);      if (!claims) {        throw new Error("Expected valid upload claims.");      }       expect(yield* storeAttachmentUpload(claims, new Uint8Array([1, 2, 3]))).toMatchObject({        ok: false,        status: 400,      });      expect(yield* storeAttachmentUpload(claims, new Uint8Array(6))).toEqual({ ok: true });      expect(        NodeFS.existsSync(NodePath.join(config.attachmentsDir, `${issued.attachmentId}.png`)),      ).toBe(true);      expect(        NodeFS.readdirSync(config.attachmentsDir).filter((entry) => entry.endsWith(".part")),      ).toEqual([]);    }).pipe(Effect.provide(testLayer)),  );   it.effect("streams generic files to a path with their original extension", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const issued = yield* issueAttachmentUploadUrl({        type: "file",        name: "report.PDF",        mimeType: "application/pdf",        sizeBytes: 6,      });      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      const claims = yield* validateAttachmentUploadToken(token);      if (!claims) {        throw new Error("Expected valid upload claims.");      }       expect(        yield* storeAttachmentUpload(          claims,          Stream.make(new Uint8Array([1, 2, 3]), new Uint8Array([4, 5, 6])),        ),      ).toEqual({ ok: true });      expect(issued.attachmentId).toMatch(/-pdf$/);      expect(        NodeFS.readFileSync(NodePath.join(config.attachmentsDir, `${issued.attachmentId}.pdf`)),      ).toEqual(Buffer.from([1, 2, 3, 4, 5, 6]));       yield* deletePendingAttachment(issued.attachmentId);      expect(NodeFS.readdirSync(config.attachmentsDir)).toEqual([]);    }).pipe(Effect.provide(testLayer)),  );   it.effect("removes partial streamed uploads that exceed their signed size", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      const claims = yield* validateAttachmentUploadToken(token);      if (!claims) {        throw new Error("Expected valid upload claims.");      }       expect(yield* storeAttachmentUpload(claims, Stream.make(new Uint8Array(7)))).toMatchObject({        ok: false,        status: 400,      });      expect(NodeFS.readdirSync(config.attachmentsDir)).toEqual([]);    }).pipe(Effect.provide(testLayer)),  );   it.effect("removes partial streamed uploads when the upload is interrupted", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const issued = yield* issueAttachmentUploadUrl(uploadInput);      const token = issued.relativeUrl.slice(`${ATTACHMENT_UPLOAD_ROUTE_PREFIX}/`.length);      const claims = yield* validateAttachmentUploadToken(token);      if (!claims) {        throw new Error("Expected valid upload claims.");      }       const nextChunkRequested = yield* Deferred.make<void>();      const body = Stream.make(new Uint8Array([1, 2, 3])).pipe(        Stream.concat(          Stream.fromEffect(            Deferred.succeed(nextChunkRequested, undefined).pipe(Effect.andThen(Effect.never)),          ),        ),      );      const upload = yield* storeAttachmentUpload(claims, body).pipe(Effect.forkScoped);       yield* Deferred.await(nextChunkRequested);      expect(        NodeFS.readdirSync(config.attachmentsDir).filter((entry) => entry.endsWith(".part")),      ).toHaveLength(1);       yield* Fiber.interrupt(upload);      expect(NodeFS.readdirSync(config.attachmentsDir)).toEqual([]);    }).pipe(Effect.provide(testLayer)),  );   it.effect("deletes pending uploads without deleting thread-owned copies", () =>    Effect.gen(function* () {      const config = yield* ServerConfig.ServerConfig;      const uuid = "00000000-0000-4000-8000-0000000000dd";      const pendingPath = NodePath.join(config.attachmentsDir, `pending-${uuid}.png`);      const claimedPath = NodePath.join(config.attachmentsDir, `thread-1-${uuid}.png`);      NodeFS.writeFileSync(pendingPath, Buffer.from("pixels"));      NodeFS.writeFileSync(claimedPath, Buffer.from("pixels"));       yield* deletePendingAttachment(`pending-${uuid}`);      yield* deletePendingAttachment(`pending-${uuid}`);      yield* deletePendingAttachment(`thread-1-${uuid}`);       expect(NodeFS.existsSync(pendingPath)).toBe(false);      expect(NodeFS.existsSync(claimedPath)).toBe(true);    }).pipe(Effect.provide(testLayer)),  );});