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serve-test-config.mjs
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257 lines (221 loc) · 8.63 KB
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#!/usr/bin/env node
/**
* Test Config Server
*
* Serves a modified privacy configuration via HTTP for testing.
* The macOS browser can fetch this during config refresh cycles.
*
* Usage:
* node scripts/serve-test-config.mjs [--port=8899] [--config=path/to/config.json]
*
* Default port: 8899
* Default config: Uses base config from remote-config with Nintendo fix applied
*
* To use with macOS browser:
* 1. Start this server
* 2. Set custom config URL in UserDefaults:
* defaults write HKE973VLUW.com.duckduckgo.macos.browser.app-configuration.debug \
* "CustomConfigurationURL.privacyConfiguration" "http://localhost:8899/v4/macos-config.json"
* 3. Restart the browser
*
* Note: For startup testing, use `npm run build:macos-with-fix` instead to bake the config
* into the app binary.
*/
import http from 'node:http';
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const projectRoot = path.resolve(__dirname, '..');
const metaRoot = path.resolve(projectRoot, '..');
// Parse CLI args
const args = process.argv.slice(2);
const portArg = args.find((a) => a.startsWith('--port='));
const configArg = args.find((a) => a.startsWith('--config='));
const PORT = portArg ? parseInt(portArg.split('=')[1], 10) : 8899;
const customConfigPath = configArg ? configArg.split('=')[1] : null;
/**
* Load the base macOS config and apply the Nintendo fix
*/
function loadConfigWithFix() {
// Try to load from remote-config generated output first
const generatedConfigPath = path.join(metaRoot, 'remote-config/generated/v4/macos-config.json');
const bundledConfigPath = path.join(
metaRoot,
'apple-browsers/macOS/DuckDuckGo/ContentBlocker/Resources/macos-config.json'
);
let baseConfig;
let sourceUsed;
if (fs.existsSync(generatedConfigPath)) {
baseConfig = JSON.parse(fs.readFileSync(generatedConfigPath, 'utf-8'));
sourceUsed = 'remote-config/generated';
} else if (fs.existsSync(bundledConfigPath)) {
baseConfig = JSON.parse(fs.readFileSync(bundledConfigPath, 'utf-8'));
sourceUsed = 'apple-browsers bundled';
} else {
throw new Error('No base config found. Run `npm run build` in remote-config first.');
}
console.log(`📦 Base config loaded from: ${sourceUsed}`);
// Apply Nintendo fix - add to unprotectedTemporary
const nintendoEntry = {
domain: 'nintendo.com',
reason: 'Testing - checkout flow breakage investigation',
};
// Ensure unprotectedTemporary exists
if (!baseConfig.unprotectedTemporary) {
baseConfig.unprotectedTemporary = [];
}
// Check if Nintendo is already in the list
const alreadyExists = baseConfig.unprotectedTemporary.some(
(entry) => entry.domain === 'nintendo.com' || entry === 'nintendo.com'
);
if (!alreadyExists) {
baseConfig.unprotectedTemporary.push(nintendoEntry);
console.log('🔧 Added nintendo.com to unprotectedTemporary');
} else {
console.log('ℹ️ nintendo.com already in unprotectedTemporary');
}
// Also add to feature exceptions for complete protection disabling
const featuresToExcept = [
'contentBlocking',
'autoconsent',
'gpc',
'cookie',
'trackerAllowlist',
'fingerprintingCanvas',
'fingerprintingHardware',
'fingerprintingScreenSize',
];
for (const featureName of featuresToExcept) {
if (baseConfig.features[featureName]) {
if (!baseConfig.features[featureName].exceptions) {
baseConfig.features[featureName].exceptions = [];
}
const featureHasNintendo = baseConfig.features[featureName].exceptions.some(
(e) => e.domain === 'nintendo.com'
);
if (!featureHasNintendo) {
baseConfig.features[featureName].exceptions.push({
domain: 'nintendo.com',
reason: 'Testing checkout flow',
});
}
}
}
// Update version timestamp so the app thinks it's a new config
baseConfig.version = Date.now();
return baseConfig;
}
/**
* Load custom config file
*/
function loadCustomConfig(configPath) {
const absolutePath = path.isAbsolute(configPath) ? configPath : path.resolve(process.cwd(), configPath);
if (!fs.existsSync(absolutePath)) {
throw new Error(`Config file not found: ${absolutePath}`);
}
return JSON.parse(fs.readFileSync(absolutePath, 'utf-8'));
}
// Load the config
let config;
try {
if (customConfigPath) {
config = loadCustomConfig(customConfigPath);
console.log(`📄 Custom config loaded from: ${customConfigPath}`);
} else {
config = loadConfigWithFix();
}
} catch (error) {
console.error(`❌ Failed to load config: ${error.message}`);
process.exit(1);
}
// Calculate ETag
const configJson = JSON.stringify(config);
const etag = `"${Buffer.from(configJson).length}-${config.version}"`;
// Create HTTP server
const server = http.createServer((req, res) => {
const url = new URL(req.url, `http://localhost:${PORT}`);
console.log(`${new Date().toISOString()} ${req.method} ${url.pathname}`);
// CORS headers for debugging
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');
res.setHeader('Access-Control-Allow-Headers', 'Content-Type, If-None-Match');
if (req.method === 'OPTIONS') {
res.writeHead(204);
res.end();
return;
}
// Serve config at /v4/macos-config.json (matching production URL structure)
if (url.pathname === '/v4/macos-config.json' || url.pathname === '/macos-config.json' || url.pathname === '/') {
// Check If-None-Match for caching
const clientEtag = req.headers['if-none-match'];
if (clientEtag === etag) {
res.writeHead(304);
res.end();
return;
}
res.writeHead(200, {
'Content-Type': 'application/json',
ETag: etag,
'Cache-Control': 'no-cache',
});
res.end(configJson);
return;
}
// Health check
if (url.pathname === '/health') {
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(
JSON.stringify({
status: 'ok',
config: {
version: config.version,
features: Object.keys(config.features).length,
unprotectedTemporary: config.unprotectedTemporary?.length || 0,
nintendoProtected:
!config.unprotectedTemporary?.some(
(e) => e.domain === 'nintendo.com' || e === 'nintendo.com'
),
},
})
);
return;
}
// 404 for everything else
res.writeHead(404, { 'Content-Type': 'application/json' });
res.end(
JSON.stringify({
error: 'Not found',
availableEndpoints: ['/v4/macos-config.json', '/macos-config.json', '/', '/health'],
})
);
});
server.listen(PORT, () => {
console.log(`
🌐 Test Config Server Running
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Config URL: http://localhost:${PORT}/v4/macos-config.json
Health: http://localhost:${PORT}/health
Config version: ${config.version}
Features: ${Object.keys(config.features).length}
Nintendo unprotected: ${config.unprotectedTemporary?.some((e) => e.domain === 'nintendo.com' || e === 'nintendo.com') ? 'YES ✓' : 'NO ✗'}
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
To use with macOS browser (for refresh-based testing):
defaults write HKE973VLUW.com.duckduckgo.macos.browser.app-configuration.debug \\
isInternalUser -bool true
defaults write HKE973VLUW.com.duckduckgo.macos.browser.app-configuration.debug \\
"CustomConfigurationURL.privacyConfiguration" \\
"http://localhost:${PORT}/v4/macos-config.json"
Note: For startup testing, the config must be baked into the build.
See: npm run build:macos-with-fix
Press Ctrl+C to stop.
`);
});
server.on('error', (err) => {
if (err.code === 'EADDRINUSE') {
console.error(`❌ Port ${PORT} is already in use. Try --port=<different-port>`);
} else {
console.error(`❌ Server error: ${err.message}`);
}
process.exit(1);
});