Add extracted source directory and README navigation

extracted-source/node_modules/@anthropic-ai/sandbox-runtime/dist/sandbox/socks-proxy.js

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+import { createServer } from '@pondwader/socks5-server';
+import { logForDebugging } from '../utils/debug.js';
+export function createSocksProxyServer(options) {
+    const socksServer = createServer();
+    socksServer.setRulesetValidator(async (conn) => {
+        try {
+            const hostname = conn.destAddress;
+            const port = conn.destPort;
+            logForDebugging(`Connection request to ${hostname}:${port}`);
+            const allowed = await options.filter(port, hostname);
+            if (!allowed) {
+                logForDebugging(`Connection blocked to ${hostname}:${port}`, {
+                    level: 'error',
+                });
+                return false;
+            }
+            logForDebugging(`Connection allowed to ${hostname}:${port}`);
+            return true;
+        }
+        catch (error) {
+            logForDebugging(`Error validating connection: ${error}`, {
+                level: 'error',
+            });
+            return false;
+        }
+    });
+    return {
+        server: socksServer,
+        getPort() {
+            // Access the internal server to get the port
+            // We need to use type assertion here as the server property is private
+            try {
+                const serverInternal = socksServer?.server;
+                if (serverInternal && typeof serverInternal?.address === 'function') {
+                    const address = serverInternal.address();
+                    if (address && typeof address === 'object' && 'port' in address) {
+                        return address.port;
+                    }
+                }
+            }
+            catch (error) {
+                // Server might not be listening yet or property access failed
+                logForDebugging(`Error getting port: ${error}`, { level: 'error' });
+            }
+            return undefined;
+        },
+        listen(port, hostname) {
+            return new Promise((resolve, reject) => {
+                const listeningCallback = () => {
+                    const actualPort = this.getPort();
+                    if (actualPort) {
+                        logForDebugging(`SOCKS proxy listening on ${hostname}:${actualPort}`);
+                        resolve(actualPort);
+                    }
+                    else {
+                        reject(new Error('Failed to get SOCKS proxy server port'));
+                    }
+                };
+                socksServer.listen(port, hostname, listeningCallback);
+            });
+        },
+        async close() {
+            return new Promise((resolve, reject) => {
+                socksServer.close(error => {
+                    if (error) {
+                        // Only reject for actual errors, not for "already closed" states
+                        // Check for common "already closed" error patterns
+                        const errorMessage = error.message?.toLowerCase() || '';
+                        const isAlreadyClosed = errorMessage.includes('not running') ||
+                            errorMessage.includes('already closed') ||
+                            errorMessage.includes('not listening');
+                        if (!isAlreadyClosed) {
+                            reject(error);
+                            return;
+                        }
+                    }
+                    resolve();
+                });
+            });
+        },
+        unref() {
+            // Access the internal server to call unref
+            try {
+                const serverInternal = socksServer?.server;
+                if (serverInternal && typeof serverInternal?.unref === 'function') {
+                    serverInternal.unref();
+                }
+            }
+            catch (error) {
+                logForDebugging(`Error calling unref: ${error}`, { level: 'error' });
+            }
+        },
+    };
+}
+//# sourceMappingURL=socks-proxy.js.map