init the awkward code

2025-12-19 18:52:50 +09:00 · 2023-02-13 19:32:10 +07:00
commit 27170afcac
5426 changed files with 1244579 additions and 0 deletions
--- a/static/js/libarchive.js/src/webworker/worker.js
+++ b/static/js/libarchive.js/src/webworker/worker.js
@@ -0,0 +1,69 @@
+import {ArchiveReader} from './archive-reader';
+import {getWasmModule} from './wasm-module'; 
+
+let reader = null;
+let busy = false;
+
+getWasmModule( (wasmModule) => {
+    reader = new ArchiveReader(wasmModule);
+    busy = false;
+    self.postMessage({type: 'READY'});
+});
+
+self.onmessage = async ({data: msg}) => {
+
+    if( busy ){
+        self.postMessage({ type: 'BUSY' });
+        return;
+    }
+
+    let skipExtraction = false;
+    busy = true;
+    try{
+        switch(msg.type){
+            case 'HELLO': // module will respond READY when it's ready
+                break;
+            case 'OPEN':
+                await reader.open(msg.file);
+                self.postMessage({ type: 'OPENED' });
+                break;
+            case 'LIST_FILES':
+                skipExtraction = true;
+            // eslint-disable-next-line no-fallthrough
+            case 'EXTRACT_FILES':
+                for( const entry of reader.entries(skipExtraction) ){
+                    self.postMessage({ type: 'ENTRY', entry });
+                }
+                self.postMessage({ type: 'END' });
+                break;
+            case 'EXTRACT_SINGLE_FILE':
+                for( const entry of reader.entries(true,msg.target) ){
+                    if( entry.fileData ){
+                        self.postMessage({ type: 'FILE', entry });
+                    }
+                }
+                break;
+            case 'CHECK_ENCRYPTION':
+                self.postMessage({ type: 'ENCRYPTION_STATUS', status: reader.hasEncryptedData() });
+                break;
+            case 'SET_PASSPHRASE':
+                reader.setPassphrase( msg.passphrase );
+                self.postMessage({ type: 'PASSPHRASE_STATUS', status: true });
+                break;
+            default:
+                throw new Error('Invalid Command');
+        }
+    }catch(err){
+        self.postMessage({ 
+            type: 'ERROR', 
+            error: {
+                message: err.message,
+                name: err.name,
+                stack: err.stack
+            } 
+        });
+    }finally{
+        // eslint-disable-next-line require-atomic-updates
+        busy = false;
+    }
+};