Function uploadFile

src/chat.ts:719–752

(fileUrl: string, refreshToken: string, isVideoImage = false)

}

async function uploadFile(fileUrl: string, refreshToken: string, isVideoImage = false) {
  await checkFileUrl(fileUrl);
  let filename: string, fileData: ArrayBuffer, mimeType: string | null = null;
  if (isBASE64Data(fileUrl)) {
    mimeType = extractBASE64DataFormat(fileUrl);
    const ext = mimeType ? getExtension(mimeType) : "bin";
    filename = `${uuid()}.${ext || "bin"}`;
    const base64Data = removeBASE64DataHeader(fileUrl);
    fileData = Uint8Array.from(atob(base64Data), (c) => c.charCodeAt(0)).buffer;
  } else {
    filename = basename(fileUrl);
    const response = await fetch(fileUrl);
    fileData = await response.arrayBuffer();
  }
  mimeType = mimeType || getMimeType(filename);
  // 注意：CF Worker 不支持 sharp，跳过图片 resize
  const formData = new FormData();
  formData.append("file", new Blob([fileData], { type: mimeType }), filename);
  const token = await acquireToken(refreshToken);
  const uploadUrl = isVideoImage
    ? "https://chatglm.cn/chatglm/video-api/v1/static/upload"
    : "https://chatglm.cn/chatglm/backend-api/assistant/file_upload";
  const response = await fetch(uploadUrl, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${token}`,
      Referer: isVideoImage ? "https://chatglm.cn/video" : "https://chatglm.cn/",
      ...getHeaders(),
    },
    body: formData,
  });
  const uploadResult = await checkResult(response, refreshToken);
  return uploadResult.result;
}

async function receiveStream(model: string, readableStream: ReadableStream, tools?: any[]): Promise<any> {
  return new Promise((resolve, reject) => {