Merge branch 'master' into feature-gui-for-cores

backend/src/utils/download.js

@@ -14,7 +14,13 @@ import $ from '@/core/app';
 
 const tasks = new Map();
 
-export default async function download(rawUrl, ua, timeout, proxy) {
+export default async function download(
+    rawUrl,
+    ua,
+    timeout,
+    proxy,
+    skipCustomCache,
+) {
     let $arguments = {};
     let url = rawUrl.replace(/#noFlow$/, '');
     const rawArgs = url.split('#');
@@ -39,6 +45,23 @@ export default async function download(rawUrl, ua, timeout, proxy) {
         ? `#sub-store-cached-custom-${$arguments?.cacheKey}`
         : undefined;
 
+    if (customCacheKey && !skipCustomCache) {
+        const cached = $.read(customCacheKey);
+        if (cached) {
+            $.info(
+                `乐观缓存: URL ${url}\n本次返回自定义缓存 ${$arguments?.cacheKey}\n并进行请求 尝试更新缓存`,
+            );
+            download(
+                rawUrl.replace(/(\?|&)cacheKey=.*?(&|$)/, ''),
+                ua,
+                timeout,
+                proxy,
+                true,
+            );
+            return cached;
+        }
+    }
+
     // const downloadUrlMatch = url.match(/^\/api\/(file|module)\/(.+)/);
     // if (downloadUrlMatch) {
     //     let type = downloadUrlMatch?.[1];
@@ -81,7 +104,7 @@ export default async function download(rawUrl, ua, timeout, proxy) {
 
     // try to find in app cache
     const cached = resourceCache.get(id);
-    if (!$arguments?.noCache && cached) {
+    if (!$arguments?.noCache && cached && !skipCustomCache) {
         $.info(`使用缓存: ${url}`);
         result = cached;
     } else {
@@ -120,6 +143,9 @@ export default async function download(rawUrl, ua, timeout, proxy) {
             if (shouldCache) {
                 resourceCache.set(id, body);
                 if (customCacheKey) {
+                    $.info(
+                        `URL ${url}\n写入自定义缓存 ${$arguments?.cacheKey}`,
+                    );
                     $.write(body, customCacheKey);
                 }
             }

backend/src/utils/geo.js

@@ -1,3 +1,5 @@
+import $ from '@/core/app';
+
 const ISOFlags = {
     '🏳️‍🌈': ['EXP', 'BAND'],
     '🇸🇱': ['TEST', 'SOS'],
@@ -427,3 +429,31 @@ export function getFlag(name) {
 export function getISO(name) {
     return ISOFlags[getFlag(name)]?.[0];
 }
+
+export class MMDB {
+    constructor({ country, asn } = {}) {
+        if ($.env.isNode) {
+            const Reader = eval(`require("@maxmind/geoip2-node")`).Reader;
+            const fs = eval("require('fs')");
+            const countryFile =
+                country || eval('process.env.SUB_STORE_MMDB_COUNTRY_PATH');
+            const asnFile = asn || eval('process.env.SUB_STORE_MMDB_ASN_PATH');
+            if (countryFile) {
+                this.countryReader = Reader.openBuffer(
+                    fs.readFileSync(countryFile),
+                );
+            }
+            if (asnFile) {
+                if (!fs.existsSync(asnFile))
+                    throw new Error('GeoLite2 ASN MMDB does not exist');
+                this.asnReader = Reader.openBuffer(fs.readFileSync(asnFile));
+            }
+        }
+    }
+    geoip(ip) {
+        return this.countryReader?.country(ip)?.country?.isoCode;
+    }
+    ipaso(ip) {
+        return this.asnReader?.asn(ip)?.autonomousSystemOrganization;
+    }
+}