Add LICENSE.txt and SECURITY.md.

LICENSE.txt

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+MIT License
+
+Copyright (c) 2025 Cloudflare, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

SECURITY.md

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+# Security Policy
+
+https://www.cloudflare.com/disclosure
+
+## Reporting a Vulnerability
+
+* https://hackerone.com/cloudflare
+  * All Cloudflare products are in scope for reporting. If you submit a valid report on bounty-eligible assets through our disclosure program, we will transfer your report to our private bug bounty program and invite you as a participant.
+* `mailto:[email protected]`
+  * If you'd like to encrypt your message, please do so within the the body of the message. Our email system doesn't handle PGP-MIME well.
+  * https://www.cloudflare.com/gpg/security-at-cloudflare-pubkey-06A67236.txt
+
+All abuse reports should be submitted to our Trust & Safety team through our dedicated page: https://www.cloudflare.com/abuse/
+

__tests__/index.test.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { expect, it, describe, inject } from "vitest"
 import { deserialize, serialize, RpcSession, type RpcSessionOptions, RpcTransport, RpcTarget,
          RpcStub, newWebSocketRpcSession, newMessagePortRpcSession,

__tests__/test-server-workerd.js

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 // Test server implemented in workerd instead of Node.
 //
 // This is only used by the workerd tests, across a service binding.

__tests__/test-server.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 // Implements a test RPC backend server for tests to try connecting to.
 //
 // This is intended to be used as a vitest `globalSetup`. That means this strictly runs under Node.

__tests__/test-util.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 // Common RPC interfaces / implementations used in several tests.
 
 import { RpcStub, RpcTarget } from '../src/index.js';

__tests__/workerd.test.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 /// <reference types="@cloudflare/workers-types" />
 import { expect, it, describe } from "vitest";
 import { RpcStub as NativeRpcStub, RpcTarget as NativeRpcTarget, env, DurableObject } from "cloudflare:workers";

src/batch.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { RpcStub } from "./core.js";
 import { RpcTransport, RpcSession, RpcSessionOptions } from "./rpc.js";
 import type { IncomingMessage, ServerResponse, OutgoingHttpHeader, OutgoingHttpHeaders } from "node:http";

src/core.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import type { RpcTargetBranded, __RPC_TARGET_BRAND } from "./types.js";
 
 // Polyfill Symbol.dispose for browsers that don't support it yet

src/index.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { RpcTarget as RpcTargetImpl, RpcStub as RpcStubImpl, RpcPromise as RpcPromiseImpl } from "./core.js";
 import { serialize, deserialize } from "./serialize.js";
 import { RpcTransport, RpcSession as RpcSessionImpl, RpcSessionOptions } from "./rpc.js";

src/map.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { StubHook, PropertyPath, RpcPayload, RpcStub, RpcPromise, withCallInterceptor, ErrorStubHook, mapImpl, PayloadStubHook, unwrapStubAndPath, unwrapStubNoProperties } from "./core.js";
 import { Devaluator, Exporter, Importer, ExportId, ImportId, Evaluator } from "./serialize.js";
 

src/messageport.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { RpcStub } from "./core.js";
 import { RpcTransport, RpcSession, RpcSessionOptions } from "./rpc.js";
 

src/rpc.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { StubHook, RpcPayload, RpcStub, PropertyPath, PayloadStubHook, ErrorStubHook, RpcTarget, unwrapStubAndPath } from "./core.js";
 import { Devaluator, Evaluator, ExportId, ImportId, Exporter, Importer, serialize } from "./serialize.js";
 

src/serialize.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { StubHook, RpcPayload, typeForRpc, RpcStub, RpcPromise, LocatedPromise, RpcTarget, PropertyPath, unwrapStubAndPath } from "./core.js";
 
 export type ImportId = number;

src/types.d.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 // This file borrows heavily from `types/defines/rpc.d.ts` in workerd.
 
 // Branded types for identifying `WorkerEntrypoint`/`DurableObject`/`Target`s.

src/websocket.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 /// <reference types="@cloudflare/workers-types" />
 
 import { RpcStub } from "./core.js";

tsup.config.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { defineConfig } from 'tsup'
 
 export default defineConfig({

vitest.config.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 import { defineConfig } from 'vitest/config'
 
 export default defineConfig({

vitest.shims.d.ts

@@ -1,3 +1,7 @@
+// Copyright (c) 2025 Cloudflare, Inc.
+// Licensed under the MIT license found in the LICENSE.txt file or at:
+//     https://opensource.org/license/mit
+
 declare module 'vitest' {
   export interface ProvidedContext {
     testServerHost: string