From 2cf7336b6aca1a9e2bba6c3c3df699d6250ebc2c Mon Sep 17 00:00:00 2001
From: sunnylqm <sunnylqm@gmail.com>
Date: Wed, 21 May 2025 10:44:44 +0800
Subject: [PATCH] add fallback for android <= 7.0

---
 package.json  |  2 +-
 src/client.ts |  5 +++--
 src/utils.ts  | 28 ++++++++++++++++++++++++----
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index d12fdd1..119ce9e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-update",
-  "version": "10.28.11",
+  "version": "10.29.0",
   "description": "react-native hot update",
   "main": "src/index",
   "scripts": {
diff --git a/src/client.ts b/src/client.ts
index 46ab927..e26f6b9 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -3,6 +3,7 @@ import {
   assertDev,
   assertWeb,
   emptyObj,
+  enhancedFetch,
   joinUrls,
   log,
   noop,
@@ -261,7 +262,7 @@ export class Pushy {
         type: 'checking',
         message: this.options.appKey + ': ' + stringifyBody,
       });
-      resp = await fetch(this.getCheckUrl(), fetchPayload);
+      resp = await enhancedFetch(this.getCheckUrl(), fetchPayload);
     } catch (e: any) {
       this.report({
         type: 'errorChecking',
@@ -272,7 +273,7 @@ export class Pushy {
         try {
           resp = await promiseAny(
             backupEndpoints.map(endpoint =>
-              fetch(this.getCheckUrl(endpoint), fetchPayload),
+              enhancedFetch(this.getCheckUrl(endpoint), fetchPayload),
             ),
           );
         } catch (err: any) {
diff --git a/src/utils.ts b/src/utils.ts
index 91c9d73..6b12914 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -40,13 +40,13 @@ const ping =
     : async (url: string) => {
         let pingFinished = false;
         return Promise.race([
-          fetch(url, {
+          enhancedFetch(url, {
             method: 'HEAD',
           })
-            .then(({ status, statusText }) => {
+            .then(({ status, statusText, url: finalUrl }) => {
               pingFinished = true;
               if (status === 200) {
-                return url;
+                return finalUrl;
               }
               log('ping failed', url, status, statusText);
               throw new Error('Ping failed');
@@ -69,7 +69,7 @@ const ping =
 
 export function joinUrls(paths: string[], fileName?: string) {
   if (fileName) {
-    return paths.map(path => 'https://' + path + '/' + fileName);
+    return paths.map(path => `https://${path}/${fileName}`);
   }
 }
 
@@ -108,3 +108,23 @@ export const assertDev = (matter: string) => {
   }
   return true;
 };
+
+export const isAndroid70AndBelow = () => {
+  // android 7.0 and below devices do not support letsencrypt cert
+  // https://letsencrypt.org/2023/07/10/cross-sign-expiration/
+  return Platform.OS === 'android' && Platform.Version <= 24;
+};
+
+export const enhancedFetch = async (
+  url: string,
+  params: Parameters<typeof fetch>[1],
+) => {
+  return fetch(url, params).catch(e => {
+    log('fetch error', url, e);
+    if (isAndroid70AndBelow()) {
+      log(`try fallback to http because android version: ${Platform.Version}`);
+      return fetch(url.replace('https', 'http'), params);
+    }
+    throw e;
+  });
+};