webui/kpm: define chunck size with system ARG_MAX

Author: KOWX712

webui/index.js

@@ -9,6 +9,7 @@ export const modDir = '/data/adb/modules/KPatch-Next';
 export const persistDir = '/data/adb/kp-next';
 
 export let superkey = localStorage.getItem('kp-next_superkey') || '';
+export let MAX_CHUNK_SIZE = 96 * 1024;
 
 async function updateStatus() {
     const version = await patchModule.getInstalledVersion();
@@ -64,7 +65,7 @@ function updateBtnState(value) {
 }
 
 export function initInfo() {
-    exec('uname -r && getprop ro.build.version.release && getprop ro.build.fingerprint && getenforce').then((result) => {
+    return exec('uname -r && getprop ro.build.version.release && getprop ro.build.fingerprint && getenforce').then((result) => {
         if (import.meta.env.DEV) { // vite debug
             result.stdout = '6.18.2-linux\n16\nLinuxPC\nEnforcing'
         }
@@ -84,6 +85,18 @@ async function reboot(reason = "") {
     exec(`/system/bin/svc power reboot ${reason} || /system/bin/reboot ${reason}`);
 }
 
+function getMaxChunkSize() {
+    exec('getconf ARG_MAX').then((result) => {
+        try {
+            const max_arg = parseInt(result.stdout.trim());
+            if (!isNaN(max_arg)) {
+                // max_arg * 0.75 (base64 size increase) - command length
+                MAX_CHUNK_SIZE = Math.floor(max_arg * 0.75) - 1024;
+            }
+        } catch (e) { }
+    });
+}
+
 document.addEventListener('DOMContentLoaded', async () => {
     document.querySelectorAll('[unresolved]').forEach(el => el.removeAttribute('unresolved'));
     const splash = document.getElementById('splash');
@@ -169,9 +182,8 @@ document.addEventListener('DOMContentLoaded', async () => {
         kpmModule.refreshKpmList();
     }
 
-    updateStatus();
     updateBtnState(superkey);
-    initInfo();
+    getMaxChunkSize();
     excludeModule.initExcludePage();
     kpmModule.initKPMPage();
 

webui/page/kpm.js

@@ -1,5 +1,5 @@
 import { exec, spawn, toast } from 'kernelsu-alt';
-import { modDir, persistDir, superkey, initInfo } from '../index.js';
+import { modDir, persistDir, superkey, initInfo, MAX_CHUNK_SIZE } from '../index.js';
 
 let allKpms = [];
 let searchQuery = '';
@@ -153,7 +153,7 @@ async function renderKpmList() {
 }
 
 async function uploadFile(file, targetPath, onProgress, signal) {
-    const CHUNK_SIZE = 256 * 1024; // 256KB chunks
+    const CHUNK_SIZE = file.size > MAX_CHUNK_SIZE * 4 ? MAX_CHUNK_SIZE : Math.max(1, Math.ceil(file.size / 4));
     const totalChunks = Math.ceil(file.size / CHUNK_SIZE);
     const CONCURRENCY = 8;
 
@@ -314,7 +314,7 @@ async function uploadAndLoadModule() {
                         toast(`Successfully loaded ${info.name}`);
                         refreshKpmList();
                         if (!checkbox.checked) { // Save module to load on boot automatically
-                             exec(`
+                            exec(`
                                 mkdir -p ${persistDir}/kpm
                                 cp -f "${modDir}/tmp/${file.name}" "${persistDir}/kpm/${info.name}.kpm"
                             `);
@@ -375,8 +375,6 @@ export function initKPMPage() {
     document.getElementById('refresh-kpm-list-menu').onclick = () => {
         refreshKpmList();
     };
-
-    refreshKpmList();
 }
 
 export { loadModule, refreshKpmList, uploadAndLoadModule, handleFileUpload, uploadFile }