Suzu008
05ac7e0542
将加密文件处理相关功能拆分为独立工具模块，包括文件工具、上传工具、图片加载工具和加密工具 重构 cryptioSaveImage.ts 和 cryptioUploadImage.ts，使用新的工具模块替换原有代码
96 lines
2.9 KiB
TypeScript
96 lines
2.9 KiB
TypeScript
/**
|
||
* 图片加载模块
|
||
* 负责从服务器加载并解密图片用于预览
|
||
*/
|
||
|
||
import type { ComfyApi } from "@comfyorg/comfyui-frontend-types";
|
||
import { decryptFile } from "./cryptoUtils.js";
|
||
import { getMimeTypeFromFilename } from "./fileUtils.js";
|
||
|
||
export interface ImageLoadParams {
|
||
filename: string;
|
||
subfolder?: string;
|
||
type: string;
|
||
}
|
||
|
||
/**
|
||
* 从简单文件名加载加密图片（用于UploadImage场景）
|
||
* @param api ComfyUI API实例
|
||
* @param filename 文件名
|
||
* @returns Blob URL
|
||
*/
|
||
export async function loadEncryptedImageFromFilename(filename: string): Promise<string> {
|
||
// 从服务器获取加密数据（二进制格式）
|
||
const response = await fetch(
|
||
`/cryptio/view_encrypted?filename=${encodeURIComponent(filename)}`
|
||
);
|
||
|
||
if (!response.ok) {
|
||
throw new Error(`Failed to load encrypted image: ${response.statusText}`);
|
||
}
|
||
|
||
// 直接读取二进制数据
|
||
const encryptedArrayBuffer = await response.arrayBuffer();
|
||
const encryptedData = new Uint8Array(encryptedArrayBuffer);
|
||
|
||
// 解密数据
|
||
const decryptedData = await decryptFile(encryptedData);
|
||
|
||
// 转换为Blob URL
|
||
const blob = new Blob([new Uint8Array(decryptedData)], {
|
||
type: getMimeTypeFromFilename(filename),
|
||
});
|
||
return URL.createObjectURL(blob);
|
||
}
|
||
|
||
/**
|
||
* 从参数加载加密图片（用于SaveImage/PreviewImage场景）
|
||
* @param api ComfyUI API实例
|
||
* @param params 图片参数（包含filename, subfolder, type）
|
||
* @returns Blob URL
|
||
*/
|
||
export async function loadEncryptedImageFromParams(api: ComfyApi, params: ImageLoadParams): Promise<string> {
|
||
// 构建URL
|
||
const url = api.apiURL(
|
||
`/view?filename=${encodeURIComponent(params.filename)}&type=${params.type}${
|
||
params.subfolder ? `&subfolder=${encodeURIComponent(params.subfolder)}` : ""
|
||
}`
|
||
);
|
||
|
||
// 从服务器获取加密数据（二进制格式）
|
||
const response = await fetch(url);
|
||
|
||
if (!response.ok) {
|
||
throw new Error(`Failed to load encrypted image: ${response.statusText}`);
|
||
}
|
||
|
||
// 直接读取二进制数据
|
||
const encryptedArrayBuffer = await response.arrayBuffer();
|
||
const encryptedData = new Uint8Array(encryptedArrayBuffer);
|
||
|
||
// 解密数据
|
||
const decryptedData = await decryptFile(encryptedData);
|
||
|
||
// 转换为Blob URL
|
||
const blob = new Blob([new Uint8Array(decryptedData)], {
|
||
type: getMimeTypeFromFilename(params.filename),
|
||
});
|
||
return URL.createObjectURL(blob);
|
||
}
|
||
|
||
/**
|
||
* 下载解密后的图片
|
||
* @param blobUrl Blob URL
|
||
* @param filename 原始文件名（带 .encrypted 后缀）
|
||
*/
|
||
export function downloadDecryptedImage(blobUrl: string, filename: string): void {
|
||
const a = document.createElement("a");
|
||
a.href = blobUrl;
|
||
// 移除 .encrypted 后缀
|
||
const originalFilename = filename.replace(/\.encrypted$/, "");
|
||
a.download = originalFilename;
|
||
document.body.appendChild(a);
|
||
a.click();
|
||
document.body.removeChild(a);
|
||
}
|