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SnowLuma v2.4.2 source snapshot
2026-11-13 09:02:00 +08:00

589 lines
22 KiB
TypeScript

// Regression coverage for the file-inside-send_forward_msg bug.
//
// Symptom: caller put `{type:'file', file_id}` inside a forward node;
// the element-builder dropped it (`[ElemBuilder] BUG: {type:"file"}
// reached element-builder — must be split out at the OneBot layer`)
// because the live-send paths route files through dedicated methods
// (sendC2cFileMessage / sendGroupFileMessage), and the forward
// builder was naïvely calling buildSendElems with the same ctx. The
// forward upload succeeded but the bubble shipped without the file
// element.
//
// Fix: forward upload passes `forwardFake: true` on the SendContext.
// The element-builder honours that flag by emitting the receive-side
// shapes:
// * group file → transElem(elemType=24, GroupFileExtra)
// * c2c file → handled at the forward-builder level, written into
// `body.msgContent` as FileExtra { file: NotOnlineFile }
//
// These shapes are RECEIVE-side: the QQ-NT live-send pipeline rejects
// transElem(24) (result=79), but the long-msg upload service stores the
// gzipped protobuf verbatim and the recipient's msg-push decoder pulls
// the file entity back out via the normal path (rich-body-decoder.ts).
// Mirrors NapCat's `PacketMsgFileElement.{buildElement,buildContent}`
// split.
import { describe, it, expect, vi } from 'vitest';
import { gunzipSync } from 'zlib';
vi.mock('@snowluma/protocol/bridge-oidb', () => ({
makeOidbEnvelope: vi.fn((_oidbCmd, _subCmd, body) => ({ body })),
encodeOidbEnv: vi.fn(() => new Uint8Array()),
decodeOidbEnv: vi.fn(() => ({ body: {} })),
}));
// `vi.mock` factories are hoisted above the imports — declare the spy
// inside a `vi.hoisted` block so it's available at the same moment.
// Declare parameter types on the fn so `mock.calls[0]` infers a tuple
// of [elements, ctx] instead of `[]`, which makes the destructuring
// a tsc error under strict tuple checking on CI.
const { buildSendElemsMock } = vi.hoisted(() => ({
buildSendElemsMock: vi.fn(async (_elements: unknown[], _ctx?: Record<string, unknown>) => []),
}));
vi.mock('@snowluma/protocol/element-builder', () => ({
buildSendElems: buildSendElemsMock,
}));
import { protobuf_decode, protobuf_encode } from '@snowluma/proton';
import type { LongMsgResult, SendLongMsgReq, SendLongMsgResp } from '@snowluma/proto-defs/longmsg';
import type { FileExtra } from '@snowluma/proto-defs/message';
import { ForwardApi } from '../../src/bridge/apis/forward';
import { mockBridge } from './_helpers';
function uploadResponseWithResId(resId: string) {
const encoded = protobuf_encode<SendLongMsgResp>({ result: { resId } });
return {
success: true,
gotResponse: true,
errorCode: 0,
errorMessage: '',
responseData: Buffer.from(encoded),
};
}
function decodeLongMsgRequest(rawBytes: Uint8Array): LongMsgResult {
const env = protobuf_decode<SendLongMsgReq>(rawBytes);
const payload = env.info?.payload;
if (!(payload instanceof Uint8Array)) {
throw new Error('payload missing on SendLongMsgReq');
}
return protobuf_decode<LongMsgResult>(gunzipSync(Buffer.from(payload)));
}
describe('actions/forward — file segment inside forward node', () => {
it('rejects cached temporary files mixed with text before building a forward payload', async () => {
buildSendElemsMock.mockClear();
const bridge = mockBridge({
recallUploadedFile: vi.fn(() => ({ scope: 'group', groupId: 12345, busId: 104 })),
});
await expect(
new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [
{ type: 'text', text: 'caption' },
{ type: 'file', fileId: 'temp' },
],
},
],
12345,
),
).rejects.toThrow(/temporary group files.*only file or image/i);
expect(buildSendElemsMock).not.toHaveBeenCalled();
expect(bridge.sendRawPacket).not.toHaveBeenCalled();
});
it('disallows temporary fallback when a forward node mixes a new file with text', async () => {
buildSendElemsMock.mockClear();
const bridge = mockBridge();
bridge.apis.groupFile.upload.mockRejectedValueOnce(
new Error('temporary group files require only file or image segments'),
);
await expect(
new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [
{ type: 'text', text: 'caption' },
{ type: 'file', url: 'base64://AQID', fileName: 'note.txt' },
],
},
],
12345,
),
).rejects.toThrow(/temporary group files/);
expect(bridge.apis.groupFile.upload).toHaveBeenCalledWith(
12345,
'base64://AQID',
'note.txt',
'/',
true,
false,
{ allowTemporary: false },
);
expect(buildSendElemsMock).not.toHaveBeenCalled();
expect(bridge.sendRawPacket).not.toHaveBeenCalled();
});
it('rejects a recursive window shake before identity resolution or upload', async () => {
buildSendElemsMock.mockClear();
const resolveUserUid = vi.fn();
const uploadPrivate = vi.fn();
const sendRawPacket = vi.fn();
const bridge = mockBridge({
resolveUserUid,
sendRawPacket: sendRawPacket as any,
apis: {
...mockBridge().apis,
groupFile: {
...mockBridge().apis.groupFile,
uploadPrivate,
},
},
});
await expect(
new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'image', url: 'base64://AQID' }],
innerForward: [
{
userUin: 10002,
nickname: 'bob',
elements: [{ type: 'poke', subType: 1 }],
},
],
},
],
undefined,
67890,
),
).rejects.toMatchObject({
code: 'UNSENDABLE_TYPE',
elementType: 'poke',
});
expect(resolveUserUid).not.toHaveBeenCalled();
expect(uploadPrivate).not.toHaveBeenCalled();
expect(buildSendElemsMock).not.toHaveBeenCalled();
expect(sendRawPacket).not.toHaveBeenCalled();
});
it('group forward sets forwardFake:true on the SendContext so transElem(24) is emitted', async () => {
// Group case: the file element rides on elems[] as transElem(24).
// The element-builder receives ctx.forwardFake=true so it knows to
// emit the receive-side shape instead of dropping the segment.
buildSendElemsMock.mockClear();
const bridge = mockBridge({
sendRawPacket: vi.fn(async () => uploadResponseWithResId('res-grp-file')) as any,
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [
{ type: 'file', fileId: 'gfid-1', fileName: 'a.txt', fileSize: 99 } as any,
],
},
],
12345,
);
expect(buildSendElemsMock).toHaveBeenCalled();
const [, ctx] = buildSendElemsMock.mock.calls[0]!;
expect(ctx).toMatchObject({ groupId: 12345, forwardFake: true });
});
it('c2c forward writes the file as msgContent (FileExtra { file: NotOnlineFile })', async () => {
// Private case: c2c files live on `body.msgContent`, not in elems[].
// The forward-builder pulls the file segment off and synthesises a
// FileExtra payload so the recipient's decoder (which reads
// msgContent first) renders the file bubble.
buildSendElemsMock.mockClear();
let captured: Uint8Array | undefined;
const bridge = mockBridge({
sendRawPacket: vi.fn(async (_cmd: string, body: Uint8Array) => {
captured = body;
return uploadResponseWithResId('res-c2c-file');
}) as any,
// Inline fields cover everything we need; cache lookup must not be
// required for the path to work.
recallUploadedFile: vi.fn(() => undefined),
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [
{
type: 'file',
fileId: 'pfid-1',
fileName: 'invoice.pdf',
fileSize: 4096,
md5Hex: 'aabbccddeeff00112233445566778899',
fileHash: 'srv-hash-abc',
} as any,
],
},
],
undefined,
67890,
);
expect(buildSendElemsMock).toHaveBeenCalled();
const [, ctx] = buildSendElemsMock.mock.calls[0]!;
expect(ctx).toMatchObject({ forwardFake: true });
expect(ctx?.groupId).toBeUndefined();
expect(captured).toBeDefined();
const longMsg = decodeLongMsgRequest(captured!);
const body = longMsg.action?.[0]?.actionData?.msgBody?.[0]?.body;
expect(body?.msgContent).toBeInstanceOf(Uint8Array);
expect(body?.richText?.notOnlineFile ?? undefined).toBeUndefined();
const fileExtra = protobuf_decode<FileExtra>(body!.msgContent as Uint8Array);
expect(fileExtra.file).toMatchObject({
fileUuid: 'pfid-1',
fileName: 'invoice.pdf',
fileHash: 'srv-hash-abc',
});
expect(fileExtra.file?.fileSize).toBe(4096n);
});
it('c2c forward falls back to the upload metadata cache when inline fields are missing', async () => {
// The OneBot caller often passes only `file_id` — the rest comes
// from the bridge's uploaded-file cache. This is the same
// hydration path send_private_msg uses; the forward builder must
// honour it too or every cached-only forward ships a 0 B bubble.
buildSendElemsMock.mockClear();
const recallUploadedFile = vi.fn((id: string) =>
id === 'pfid-cached'
? {
fileId: 'pfid-cached',
scope: 'private' as const,
userId: 67890,
fileName: 'cached-name.zip',
fileSize: 8192,
fileMd5: Buffer.from('ffeeddccbbaa99887766554433221100', 'hex'),
fileSha1: new Uint8Array(20),
fileHash: 'cached-hash',
rememberedAt: 0,
}
: undefined,
);
const bridge = mockBridge({
sendRawPacket: vi.fn(async () => uploadResponseWithResId('res-cache')) as any,
recallUploadedFile,
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'file', fileId: 'pfid-cached' } as any],
},
],
undefined,
67890,
);
expect(recallUploadedFile).toHaveBeenCalledWith('pfid-cached');
});
it('group forward pre-uploads file sources into the target group without publishing a separate file message', async () => {
buildSendElemsMock.mockClear();
const upload = vi.fn(async () => ({ fileId: 'gfid-from-base64' }));
const publish = vi.fn();
const bridge = mockBridge({
sendRawPacket: vi.fn(async () => uploadResponseWithResId('res-grp-source')) as any,
apis: {
...mockBridge().apis,
groupFile: {
...mockBridge().apis.groupFile,
upload,
publish,
},
},
recallUploadedFile: vi.fn((id: string) =>
id === 'gfid-from-base64'
? {
fileId: 'gfid-from-base64',
scope: 'group' as const,
groupId: 12345,
fileName: 'note.txt',
fileSize: 3,
fileMd5: new Uint8Array(16),
fileSha1: new Uint8Array(20),
rememberedAt: 0,
}
: undefined,
),
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'file', url: 'base64://AQID', fileName: 'note.txt' } as any],
},
],
12345,
);
expect(upload).toHaveBeenCalledWith(12345, 'base64://AQID', 'note.txt', '/', true, false, {
allowTemporary: true,
});
expect(publish).not.toHaveBeenCalled();
const [elements] = buildSendElemsMock.mock.calls[0]!;
expect(elements).toEqual([
expect.objectContaining({
type: 'file',
fileId: 'gfid-from-base64',
fileName: 'note.txt',
fileSize: 3,
}),
]);
});
it('private forward pre-uploads file sources without sending a standalone c2c file message', async () => {
buildSendElemsMock.mockClear();
const uploadPrivate = vi.fn(async () => ({
fileId: 'pfid-from-base64',
fileHash: 'phash',
}));
const sendC2cFile = vi.fn();
const bridge = mockBridge({
sendRawPacket: vi.fn(async () => uploadResponseWithResId('res-c2c-source')) as any,
apis: {
...mockBridge().apis,
message: {
...mockBridge().apis.message,
sendC2cFile,
},
groupFile: {
...mockBridge().apis.groupFile,
uploadPrivate,
},
},
recallUploadedFile: vi.fn((id: string) =>
id === 'pfid-from-base64'
? {
fileId: 'pfid-from-base64',
scope: 'private' as const,
userId: 67890,
fileName: 'note.txt',
fileSize: 3,
fileMd5: new Uint8Array(16),
fileSha1: new Uint8Array(20),
fileHash: 'phash',
rememberedAt: 0,
}
: undefined,
),
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'file', url: 'base64://AQID', fileName: 'note.txt' } as any],
},
],
undefined,
67890,
);
expect(uploadPrivate).toHaveBeenCalledWith(67890, 'base64://AQID', 'note.txt', true, false);
expect(sendC2cFile).not.toHaveBeenCalled();
const [elements] = buildSendElemsMock.mock.calls[0]!;
expect(elements).toEqual([
expect.objectContaining({
type: 'file',
fileId: 'pfid-from-base64',
fileName: 'note.txt',
fileSize: 3,
fileHash: 'phash',
}),
]);
});
it('rejects two files in one private forward node before uploading either file', async () => {
buildSendElemsMock.mockClear();
const uploadPrivate = vi.fn();
const sendRawPacket = vi.fn();
const bridge = mockBridge({
sendRawPacket: sendRawPacket as any,
apis: {
...mockBridge().apis,
groupFile: {
...mockBridge().apis.groupFile,
uploadPrivate,
},
},
});
await expect(
new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [
{ type: 'file', url: 'base64://AQID', fileName: 'one.txt' },
{ type: 'file', url: 'base64://BAUG', fileName: 'two.txt' },
] as any,
},
],
undefined,
67890,
),
).rejects.toMatchObject({
code: 'UNSENDABLE_TYPE',
elementType: 'file',
});
expect(uploadPrivate).not.toHaveBeenCalled();
expect(buildSendElemsMock).not.toHaveBeenCalled();
expect(sendRawPacket).not.toHaveBeenCalled();
});
it('private file forward keeps the long-msg upload under the self uid namespace', async () => {
buildSendElemsMock.mockClear();
let captured: Uint8Array | undefined;
const bridge = mockBridge({
sendRawPacket: vi.fn(async (_cmd: string, body: Uint8Array) => {
captured = body;
return uploadResponseWithResId('res-c2c-target-uid');
}) as any,
resolveUserUid: vi.fn(async () => 'target-uid'),
recallUploadedFile: vi.fn((id: string) =>
id === 'pfid-1'
? {
fileId: 'pfid-1',
scope: 'private' as const,
userId: 67890,
fileName: 'invoice.pdf',
fileSize: 4096,
fileMd5: new Uint8Array(16),
fileSha1: new Uint8Array(20),
fileHash: 'srv-hash',
rememberedAt: 0,
}
: undefined,
),
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'file', fileId: 'pfid-1' } as any],
},
],
undefined,
67890,
);
expect(bridge.resolveUserUid).not.toHaveBeenCalled();
expect(captured).toBeDefined();
const request = protobuf_decode<SendLongMsgReq>(captured!);
expect(request.info?.uid?.uid).toBe('self-uid');
});
it('group forward re-uploads a cached private file_id into the target group scope', async () => {
buildSendElemsMock.mockClear();
const getPrivateUrl = vi.fn(async () => 'https://download.test/private-file');
const upload = vi.fn(async () => ({ fileId: 'gfid-reuploaded' }));
const bridge = mockBridge({
sendRawPacket: vi.fn(async () => uploadResponseWithResId('res-cross-scope')) as any,
apis: {
...mockBridge().apis,
groupFile: {
...mockBridge().apis.groupFile,
getPrivateUrl,
upload,
},
},
recallUploadedFile: vi.fn((id: string) => {
if (id === 'pfid-cached') {
return {
fileId: 'pfid-cached',
scope: 'private' as const,
userId: 67890,
fileName: 'cached.txt',
fileSize: 5,
fileMd5: new Uint8Array(16),
fileSha1: new Uint8Array(20),
fileHash: 'cached-hash',
rememberedAt: 0,
};
}
if (id === 'gfid-reuploaded') {
return {
fileId: 'gfid-reuploaded',
scope: 'group' as const,
groupId: 12345,
fileName: 'cached.txt',
fileSize: 5,
fileMd5: new Uint8Array(16),
fileSha1: new Uint8Array(20),
rememberedAt: 1,
};
}
return undefined;
}),
});
await new ForwardApi(bridge as any).upload(
[
{
userUin: 10001,
nickname: 'alice',
elements: [{ type: 'file', fileId: 'pfid-cached' } as any],
},
],
12345,
);
expect(getPrivateUrl).toHaveBeenCalledWith(67890, 'pfid-cached', 'cached-hash');
expect(upload).toHaveBeenCalledWith(
12345,
'https://download.test/private-file',
'cached.txt',
'/',
true,
false,
{ allowTemporary: true },
);
const [elements] = buildSendElemsMock.mock.calls[0]!;
expect(elements).toEqual([
expect.objectContaining({
type: 'file',
fileId: 'gfid-reuploaded',
fileName: 'cached.txt',
fileSize: 5,
}),
]);
});
});