Joey
45 lines
1.7 KiB
TypeScript
45 lines
1.7 KiB
TypeScript
import { uploadMaterials } from '../src/api/client';
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// Background Service Worker —— 唯一出网口（代理图片 fetch / 上传服务端，绕 CORS / 防盗链）
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export default defineBackground(() => {
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console.log('[套娃采集助手] background started');
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// 点击扩展图标 → 打开 Side Panel
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chrome.sidePanel.setPanelBehavior({ openPanelOnActionClick: true });
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chrome.runtime.onMessage.addListener((msg, _sender, sendResponse) => {
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if (msg?.action === 'fetchImage') {
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fetchImageAsDataUrl(msg.url)
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.then((dataUrl) => sendResponse({ ok: true, dataUrl }))
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.catch((err) => sendResponse({ ok: false, error: err instanceof Error ? err.message : String(err) }));
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return true; // 保持异步通道
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}
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if (msg?.action === 'uploadMaterials') {
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uploadMaterials(msg.baseUrl, msg.token, msg.payload)
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.then((data) => sendResponse({ ok: true, data }))
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.catch((err) => sendResponse({ ok: false, error: err instanceof Error ? err.message : String(err) }));
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return true;
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}
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return false;
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});
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});
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/** 代理取图，返回 base64 data URL（结构化克隆可安全跨消息传递） */
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async function fetchImageAsDataUrl(url: string): Promise<string> {
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const res = await fetch(url);
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const type = res.headers.get('content-type') || 'image/jpeg';
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const buf = await res.arrayBuffer();
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const bytes = new Uint8Array(buf);
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// 分块转二进制串，避免超长参数列表
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let bin = '';
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const chunk = 0x8000;
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for (let i = 0; i < bytes.length; i += chunk) {
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bin += String.fromCharCode(...bytes.subarray(i, i + chunk));
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}
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return `data:${type};base64,${btoa(bin)}`;
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}
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