From a5647705975285fe61034dc5bfb5da000f4abe9e Mon Sep 17 00:00:00 2001
From: sunnylqm <sunnylqm@gmail.com>
Date: Sat, 27 Jul 2024 21:59:25 +0800
Subject: [PATCH] v9.2.0

---
 lib/endpoint.ts | 25 ++++++++++++++--------
 lib/main.ts     | 57 +++++++++++++++++++++++++++----------------------
 lib/type.ts     |  3 +++
 lib/utils.ts    | 23 ++++++++++++++++++++
 package.json    |  2 +-
 5 files changed, 74 insertions(+), 36 deletions(-)

diff --git a/lib/endpoint.ts b/lib/endpoint.ts
index 98a14c9..98db211 100644
--- a/lib/endpoint.ts
+++ b/lib/endpoint.ts
@@ -1,13 +1,21 @@
 import { logger } from './utils';
 
 let currentEndpoint = 'https://update.react-native.cn/api';
-let backupEndpoints: string[] = ['https://update.reactnative.cn/api'];
-let backupEndpointsQueryUrl: string | null = null;
+let backupEndpoints: string[] = [
+  'https://pushy-koa-qgbgqmcpis.cn-beijing.fcapp.run',
+  'https://update.reactnative.cn/api',
+];
+let backupEndpointsQueryUrls = [
+  'https://gitee.com/sunnylqm/react-native-pushy/raw/master/endpoints.json',
+  'https://cdn.jsdelivr.net/gh/reactnativecn/react-native-pushy@master/endpoints.json',
+];
 
 export async function updateBackupEndpoints() {
-  if (backupEndpointsQueryUrl) {
+  if (backupEndpointsQueryUrls) {
     try {
-      const resp = await fetch(backupEndpointsQueryUrl);
+      const resp = await Promise.race(
+        backupEndpointsQueryUrls.map((queryUrl) => fetch(queryUrl)),
+      );
       const remoteEndpoints = await resp.json();
       if (Array.isArray(remoteEndpoints)) {
         backupEndpoints = Array.from(
@@ -36,18 +44,17 @@ export function getCheckUrl(APPKEY, endpoint = currentEndpoint) {
 export function setCustomEndpoints({
   main,
   backups,
-  backupQueryUrl,
+  backupQueryUrls,
 }: {
   main: string;
   backups?: string[];
-  backupQueryUrl?: string;
+  backupQueryUrls?: string[];
 }) {
   currentEndpoint = main;
-  backupEndpointsQueryUrl = null;
   if (Array.isArray(backups) && backups.length > 0) {
     backupEndpoints = backups;
   }
-  if (typeof backupQueryUrl === 'string') {
-    backupEndpointsQueryUrl = backupQueryUrl;
+  if (Array.isArray(backupQueryUrls) && backupQueryUrls.length > 0) {
+    backupEndpointsQueryUrls = backupQueryUrls;
   }
 }
diff --git a/lib/main.ts b/lib/main.ts
index b7fa3b7..66cd813 100644
--- a/lib/main.ts
+++ b/lib/main.ts
@@ -16,7 +16,7 @@ import {
   UpdateAvailableResult,
   UpdateEventsListener,
 } from './type';
-import { assertRelease, logger } from './utils';
+import { assertRelease, logger, testUrls } from './utils';
 export { setCustomEndpoints };
 const {
   version: v,
@@ -260,11 +260,12 @@ export async function downloadUpdate(
   }
   let succeeded = false;
   report({ type: 'downloading' });
-  if (options.diffUrl) {
+  const diffUrl = (await testUrls(options.diffUrls)) || options.diffUrl;
+  if (diffUrl) {
     logger('downloading diff');
     try {
       await PushyModule.downloadPatchFromPpk({
-        updateUrl: options.diffUrl,
+        updateUrl: diffUrl,
         hash: options.hash,
         originHash: currentVersion,
       });
@@ -273,28 +274,34 @@ export async function downloadUpdate(
       logger(`diff error: ${e.message}, try pdiff`);
     }
   }
-  if (!succeeded && options.pdiffUrl) {
-    logger('downloading pdiff');
-    try {
-      await PushyModule.downloadPatchFromPackage({
-        updateUrl: options.pdiffUrl,
-        hash: options.hash,
-      });
-      succeeded = true;
-    } catch (e) {
-      logger(`pdiff error: ${e.message}, try full patch`);
+  if (!succeeded) {
+    const pdiffUrl = (await testUrls(options.pdiffUrls)) || options.pdiffUrl;
+    if (pdiffUrl) {
+      logger('downloading pdiff');
+      try {
+        await PushyModule.downloadPatchFromPackage({
+          updateUrl: pdiffUrl,
+          hash: options.hash,
+        });
+        succeeded = true;
+      } catch (e) {
+        logger(`pdiff error: ${e.message}, try full patch`);
+      }
     }
   }
-  if (!succeeded && options.updateUrl) {
-    logger('downloading full patch');
-    try {
-      await PushyModule.downloadFullUpdate({
-        updateUrl: options.updateUrl,
-        hash: options.hash,
-      });
-      succeeded = true;
-    } catch (e) {
-      logger(`full patch error: ${e.message}`);
+  if (!succeeded) {
+    const updateUrl = (await testUrls(options.updateUrls)) || options.updateUrl;
+    if (updateUrl) {
+      logger('downloading full patch');
+      try {
+        await PushyModule.downloadFullUpdate({
+          updateUrl: updateUrl,
+          hash: options.hash,
+        });
+        succeeded = true;
+      } catch (e) {
+        logger(`full patch error: ${e.message}`);
+      }
     }
   }
   progressHandler && progressHandler.remove();
@@ -322,12 +329,10 @@ function assertHash(hash: string) {
   return true;
 }
 
-let applyingUpdate = false;
 export function switchVersion(hash: string) {
   assertRelease();
-  if (assertHash(hash) && !applyingUpdate) {
+  if (assertHash(hash)) {
     logger('switchVersion: ' + hash);
-    applyingUpdate = true;
     PushyModule.reloadUpdate({ hash });
   }
 }
diff --git a/lib/type.ts b/lib/type.ts
index 00ec197..d8c8ad0 100644
--- a/lib/type.ts
+++ b/lib/type.ts
@@ -19,8 +19,11 @@ export interface UpdateAvailableResult {
   description: string;
   metaInfo: string;
   pdiffUrl: string;
+  pdiffUrls?: string[];
   diffUrl?: string;
+  diffUrls?: string[];
   updateUrl?: string;
+  updateUrls?: string[];
 }
 
 export type CheckResult =
diff --git a/lib/utils.ts b/lib/utils.ts
index 9b024de..f7a3c99 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -1,3 +1,5 @@
+import { Platform } from "react-native";
+
 export function logger(...args: any[]) {
   console.log('Pushy: ', ...args);
 }
@@ -7,3 +9,24 @@ export function assertRelease() {
     throw new Error('react-native-update 只能在 RELEASE 版本中运行.');
   }
 }
+
+const ping =
+  Platform.OS === 'web'
+    ? Promise.resolve
+    : async (url: string) =>
+        Promise.race([
+          fetch(url, {
+            method: 'HEAD',
+          })
+            .then(({ status }) => (status === 200 ? url : null))
+            .catch(() => null),
+          new Promise(r => setTimeout(() => r(null), 2000)),
+        ]);
+
+
+export const testUrls = async (urls?: string[]) => {
+  if (!urls?.length) {
+    return null;
+  }
+  return Promise.race(urls.map(ping)).catch(() => null);
+};
diff --git a/package.json b/package.json
index a85c035..ace53a8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-update",
-  "version": "9.1.6",
+  "version": "9.2.0",
   "description": "react-native hot update",
   "main": "lib/index.ts",
   "scripts": {