Add internal reverse chnroute build

Build/build-internal-cdn-rules.js

@@ -0,0 +1,77 @@
+// @ts-check
+const fs = require('fs');
+const fse = require('fs-extra');
+const path = require('path');
+const readline = require('readline');
+const { isDomainLoose } = require('./lib/is-domain-loose');
+const tldts = require('tldts');
+const { processLine } = require('./lib/process-line');
+
+(async () => {
+  const set = new Set();
+  /**
+   * @param {string} input
+   */
+  const addApexDomain = (input) => {
+    const d = tldts.getDomain(input, { allowPrivateDomains: true });
+    if (d) {
+      set.add(d);
+    }
+  };
+
+  /**
+   * @param {string} domainSetPath
+   */
+  const processLocalDomainSet = async (domainSetPath) => {
+    for await (
+      const line of readline.createInterface({
+        input: fs.createReadStream(domainSetPath),
+        crlfDelay: Infinity
+      })
+    ) {
+      if (line[0] === '.') {
+        addApexDomain(line.slice(1));
+      } else if (isDomainLoose(line)) {
+        addApexDomain(line);
+      } else if (processLine(line)) {
+        console.warn('[drop line from domainset]', line);
+      }
+    }
+  };
+
+  /**
+   * @param {string} ruleSetPath
+   */
+  const processLocalRuleSet = async (ruleSetPath) => {
+    for await (
+      const line of readline.createInterface({
+        input: fs.createReadStream(ruleSetPath),
+        crlfDelay: Infinity
+      })
+    ) {
+      if (line.startsWith('DOMAIN-SUFFIX,')) {
+        addApexDomain(line.replace('DOMAIN-SUFFIX,', ''));
+      } else if (line.startsWith('DOMAIN,')) {
+        addApexDomain(line.replace('DOMAIN,', ''));
+      } else if (processLine(line)) {
+        console.warn('[drop line from ruleset]', line);
+      }
+    }
+  };
+
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/cdn.conf'));
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/global.conf'));
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/global_plus.conf'));
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/my_proxy.conf'));
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/stream.conf'));
+  await processLocalRuleSet(path.resolve(__dirname, '../List/non_ip/telegram.conf'));
+
+  await processLocalDomainSet(path.resolve(__dirname, '../List/domainset/cdn.conf'));
+  await processLocalDomainSet(path.resolve(__dirname, '../List/domainset/download.conf'));
+
+  await fse.ensureDir(path.resolve(__dirname, '../List/internal'));
+  await fs.promises.writeFile(
+    path.resolve(__dirname, '../List/internal/cdn.txt'),
+    `${Array.from(set).map(i => `SUFFIX,${i}`).join('\n')}\n`
+  );
+})();