263 lines
22 KiB
JavaScript
263 lines
22 KiB
JavaScript
import * as plugins from '../plugins.js';
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import * as paths from '../paths.js';
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import { logger } from '../logger.js';
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import { SecurityLogger, SecurityLogLevel, SecurityEventType } from './classes.securitylogger.js';
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import { RustSecurityBridge } from './classes.rustsecuritybridge.js';
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import { LRUCache } from 'lru-cache';
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/**
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* Reputation threshold scores
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*/
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export var ReputationThreshold;
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(function (ReputationThreshold) {
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ReputationThreshold[ReputationThreshold["HIGH_RISK"] = 20] = "HIGH_RISK";
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ReputationThreshold[ReputationThreshold["MEDIUM_RISK"] = 50] = "MEDIUM_RISK";
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ReputationThreshold[ReputationThreshold["LOW_RISK"] = 80] = "LOW_RISK"; // Score below this is considered low risk (but not trusted)
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})(ReputationThreshold || (ReputationThreshold = {}));
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/**
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* IP type classifications
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*/
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export var IPType;
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(function (IPType) {
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IPType["RESIDENTIAL"] = "residential";
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IPType["DATACENTER"] = "datacenter";
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IPType["PROXY"] = "proxy";
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IPType["TOR"] = "tor";
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IPType["VPN"] = "vpn";
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IPType["UNKNOWN"] = "unknown";
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})(IPType || (IPType = {}));
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/**
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* IP reputation checker — delegates DNSBL lookups to the Rust security bridge.
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* Retains LRU caching and disk persistence in TypeScript.
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*/
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export class IPReputationChecker {
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static instance;
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reputationCache;
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options;
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storageManager;
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static DEFAULT_OPTIONS = {
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maxCacheSize: 10000,
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cacheTTL: 24 * 60 * 60 * 1000,
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dnsblServers: [],
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highRiskThreshold: ReputationThreshold.HIGH_RISK,
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mediumRiskThreshold: ReputationThreshold.MEDIUM_RISK,
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lowRiskThreshold: ReputationThreshold.LOW_RISK,
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enableLocalCache: true,
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enableDNSBL: true,
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enableIPInfo: true
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};
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constructor(options = {}, storageManager) {
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this.options = {
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...IPReputationChecker.DEFAULT_OPTIONS,
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...options
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};
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this.storageManager = storageManager;
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this.reputationCache = new LRUCache({
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max: this.options.maxCacheSize,
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ttl: this.options.cacheTTL,
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});
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if (this.options.enableLocalCache) {
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this.loadCache().catch(error => {
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logger.log('error', `Failed to load IP reputation cache during initialization: ${error.message}`);
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});
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}
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}
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static getInstance(options = {}, storageManager) {
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if (!IPReputationChecker.instance) {
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IPReputationChecker.instance = new IPReputationChecker(options, storageManager);
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}
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return IPReputationChecker.instance;
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}
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/**
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* Check an IP address's reputation via the Rust bridge
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*/
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async checkReputation(ip) {
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try {
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if (!this.isValidIPAddress(ip)) {
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logger.log('warn', `Invalid IP address format: ${ip}`);
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return this.createErrorResult(ip, 'Invalid IP address format');
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}
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// Check cache first
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const cachedResult = this.reputationCache.get(ip);
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if (cachedResult) {
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logger.log('info', `Using cached reputation data for IP ${ip}`, {
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score: cachedResult.score,
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isSpam: cachedResult.isSpam
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});
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return cachedResult;
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}
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// Delegate to Rust bridge
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const bridge = RustSecurityBridge.getInstance();
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const rustResult = await bridge.checkIpReputation(ip);
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const result = {
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score: rustResult.score,
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isSpam: rustResult.listed_count > 0,
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isProxy: rustResult.ip_type === 'proxy',
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isTor: rustResult.ip_type === 'tor',
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isVPN: rustResult.ip_type === 'vpn',
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blacklists: rustResult.dnsbl_results
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.filter(d => d.listed)
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.map(d => d.server),
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timestamp: Date.now(),
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};
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this.reputationCache.set(ip, result);
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if (this.options.enableLocalCache) {
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this.saveCache().catch(error => {
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logger.log('error', `Failed to save IP reputation cache: ${error.message}`);
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});
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}
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this.logReputationCheck(ip, result);
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return result;
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}
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catch (error) {
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logger.log('error', `Error checking IP reputation for ${ip}: ${error.message}`, {
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ip,
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stack: error.stack
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});
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const errorResult = this.createErrorResult(ip, error.message);
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// Cache error results to avoid repeated failing lookups
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this.reputationCache.set(ip, errorResult);
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return errorResult;
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}
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}
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createErrorResult(ip, errorMessage) {
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return {
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score: 50,
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isSpam: false,
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isProxy: false,
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isTor: false,
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isVPN: false,
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timestamp: Date.now(),
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error: errorMessage
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};
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}
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isValidIPAddress(ip) {
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const ipv4Pattern = /^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
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return ipv4Pattern.test(ip);
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}
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logReputationCheck(ip, result) {
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let logLevel = SecurityLogLevel.INFO;
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if (result.score < this.options.highRiskThreshold) {
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logLevel = SecurityLogLevel.WARN;
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}
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SecurityLogger.getInstance().logEvent({
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level: logLevel,
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type: SecurityEventType.IP_REPUTATION,
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message: `IP reputation check ${result.isSpam ? 'flagged spam' : 'completed'} for ${ip}`,
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ipAddress: ip,
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details: {
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score: result.score,
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isSpam: result.isSpam,
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isProxy: result.isProxy,
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isTor: result.isTor,
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isVPN: result.isVPN,
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country: result.country,
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blacklists: result.blacklists
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},
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success: !result.isSpam
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});
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}
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async saveCache() {
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try {
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const entries = Array.from(this.reputationCache.entries()).map(([ip, data]) => ({
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ip,
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data
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}));
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if (entries.length === 0) {
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return;
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}
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const cacheData = JSON.stringify(entries);
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if (this.storageManager) {
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await this.storageManager.set('/security/ip-reputation-cache.json', cacheData);
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logger.log('info', `Saved ${entries.length} IP reputation cache entries to StorageManager`);
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}
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else {
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const cacheDir = plugins.path.join(paths.dataDir, 'security');
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await plugins.smartfs.directory(cacheDir).recursive().create();
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const cacheFile = plugins.path.join(cacheDir, 'ip_reputation_cache.json');
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await plugins.smartfs.file(cacheFile).write(cacheData);
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logger.log('info', `Saved ${entries.length} IP reputation cache entries to disk`);
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}
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}
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catch (error) {
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logger.log('error', `Failed to save IP reputation cache: ${error.message}`);
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}
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}
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async loadCache() {
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try {
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let cacheData = null;
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let fromFilesystem = false;
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if (this.storageManager) {
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try {
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cacheData = await this.storageManager.get('/security/ip-reputation-cache.json');
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if (!cacheData) {
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const cacheFile = plugins.path.join(paths.dataDir, 'security', 'ip_reputation_cache.json');
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if (plugins.fs.existsSync(cacheFile)) {
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logger.log('info', 'Migrating IP reputation cache from filesystem to StorageManager');
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cacheData = plugins.fs.readFileSync(cacheFile, 'utf8');
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fromFilesystem = true;
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await this.storageManager.set('/security/ip-reputation-cache.json', cacheData);
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logger.log('info', 'IP reputation cache migrated to StorageManager successfully');
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try {
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plugins.fs.unlinkSync(cacheFile);
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logger.log('info', 'Old cache file removed after migration');
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}
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catch (deleteError) {
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logger.log('warn', `Could not delete old cache file: ${deleteError.message}`);
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}
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}
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}
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}
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catch (error) {
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logger.log('error', `Error loading from StorageManager: ${error.message}`);
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}
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}
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else {
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const cacheFile = plugins.path.join(paths.dataDir, 'security', 'ip_reputation_cache.json');
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if (plugins.fs.existsSync(cacheFile)) {
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cacheData = plugins.fs.readFileSync(cacheFile, 'utf8');
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fromFilesystem = true;
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}
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}
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if (cacheData) {
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const entries = JSON.parse(cacheData);
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const now = Date.now();
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const validEntries = entries.filter(entry => {
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const age = now - entry.data.timestamp;
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return age < this.options.cacheTTL;
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});
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for (const entry of validEntries) {
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this.reputationCache.set(entry.ip, entry.data);
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}
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const source = fromFilesystem ? 'disk' : 'StorageManager';
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logger.log('info', `Loaded ${validEntries.length} IP reputation cache entries from ${source}`);
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}
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}
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catch (error) {
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logger.log('error', `Failed to load IP reputation cache: ${error.message}`);
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}
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}
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static getRiskLevel(score) {
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if (score < ReputationThreshold.HIGH_RISK) {
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return 'high';
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}
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else if (score < ReputationThreshold.MEDIUM_RISK) {
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return 'medium';
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}
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else if (score < ReputationThreshold.LOW_RISK) {
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return 'low';
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}
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else {
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return 'trusted';
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}
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}
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updateStorageManager(storageManager) {
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this.storageManager = storageManager;
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logger.log('info', 'IPReputationChecker storage manager updated');
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if (this.options.enableLocalCache && this.reputationCache.size > 0) {
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this.saveCache().catch(error => {
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logger.log('error', `Failed to save cache to new storage manager: ${error.message}`);
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});
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}
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}
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}
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