chore: revert media proxy signature

not now

Author: Candinya

src/download.ts

@@ -19,7 +19,6 @@ export type DownloadConfig = {
     httpAgent: http.Agent,
     httpsAgent: https.Agent,
     proxy?: boolean;
-    signatureKey?: string;
 }
 
 export const defaultDownloadConfig = {

src/index.ts

@@ -15,7 +15,6 @@ import { StatusError } from './status-error.js';
 import { DownloadConfig, defaultDownloadConfig, downloadUrl } from './download.js';
 import { getAgents } from './http.js';
 import _contentDisposition from 'content-disposition';
-import { verifySignedProxyURL } from "./sign-proxy-url.js";
 
 const _filename = fileURLToPath(import.meta.url);
 const _dirname = dirname(_filename);
@@ -29,7 +28,6 @@ export type MediaProxyOptions = {
     userAgent?: string;
     allowedPrivateNetworks?: string[];
     maxSize?: number;
-    signatureKey?: string;
 } & ({
     proxy?: string;
 } | {
@@ -56,7 +54,6 @@ export function setMediaProxyConfig(setting?: MediaProxyOptions | null) {
         userAgent: setting.userAgent ?? defaultDownloadConfig.userAgent,
         allowedPrivateNetworks: setting.allowedPrivateNetworks ?? defaultDownloadConfig.allowedPrivateNetworks,
         maxSize: setting.maxSize ?? defaultDownloadConfig.maxSize,
-        signatureKey: setting.signatureKey ?? undefined,
         ...('proxy' in setting ?
             { ...getAgents(setting.proxy), proxy: !!setting.proxy } :
             'httpAgent' in setting ? {
@@ -127,12 +124,6 @@ async function proxyHandler(request: FastifyRequest<{ Params: { url: string; };
         return;
     }
 
-    // 检查签名是否符合
-    if (!!config.signatureKey && !verifySignedProxyURL(request.url, config.signatureKey)) {
-        reply.code(401);
-        return;
-    }
-
     // Create temp file
     const file = await downloadAndDetectTypeFromUrl(url);