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ts/proxies/smart-proxy/utils/route-migration-utils.ts

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+/**
+ * Route Migration Utilities
+ * 
+ * This file provides utility functions for migrating from legacy domain-based
+ * configuration to the new route-based configuration system. These functions
+ * are temporary and will be removed after the migration is complete.
+ */
+
+import type { TForwardingType } from '../../../forwarding/config/forwarding-types.js';
+import type { IRouteConfig, IRouteMatch, IRouteAction, IRouteTarget } from '../models/route-types.js';
+
+/**
+ * Legacy domain config interface (for migration only)
+ * @deprecated This interface will be removed in a future version
+ */
+export interface ILegacyDomainConfig {
+  domains: string[];
+  forwarding: {
+    type: TForwardingType;
+    target: {
+      host: string | string[];
+      port: number;
+    };
+    [key: string]: any;
+  };
+}
+
+/**
+ * Convert a legacy domain config to a route-based config
+ * @param domainConfig Legacy domain configuration
+ * @param additionalOptions Additional options to add to the route
+ * @returns Route configuration
+ * @deprecated This function will be removed in a future version
+ */
+export function domainConfigToRouteConfig(
+  domainConfig: ILegacyDomainConfig,
+  additionalOptions: Partial<IRouteConfig> = {}
+): IRouteConfig {
+  // Default port based on forwarding type
+  let defaultPort = 80;
+  let tlsMode: 'passthrough' | 'terminate' | 'terminate-and-reencrypt' | undefined;
+
+  switch (domainConfig.forwarding.type) {
+    case 'http-only':
+      defaultPort = 80;
+      break;
+    case 'https-passthrough':
+      defaultPort = 443;
+      tlsMode = 'passthrough';
+      break;
+    case 'https-terminate-to-http':
+      defaultPort = 443;
+      tlsMode = 'terminate';
+      break;
+    case 'https-terminate-to-https':
+      defaultPort = 443;
+      tlsMode = 'terminate-and-reencrypt';
+      break;
+  }
+
+  // Create route match criteria
+  const match: IRouteMatch = {
+    ports: additionalOptions.match?.ports || defaultPort,
+    domains: domainConfig.domains
+  };
+
+  // Create route target
+  const target: IRouteTarget = {
+    host: domainConfig.forwarding.target.host,
+    port: domainConfig.forwarding.target.port
+  };
+
+  // Create route action
+  const action: IRouteAction = {
+    type: 'forward',
+    target
+  };
+
+  // Add TLS configuration if needed
+  if (tlsMode) {
+    action.tls = {
+      mode: tlsMode,
+      certificate: 'auto'
+    };
+
+    // If the legacy config has custom certificates, use them
+    if (domainConfig.forwarding.https?.customCert) {
+      action.tls.certificate = {
+        key: domainConfig.forwarding.https.customCert.key,
+        cert: domainConfig.forwarding.https.customCert.cert
+      };
+    }
+  }
+
+  // Add security options if present
+  if (domainConfig.forwarding.security) {
+    action.security = domainConfig.forwarding.security;
+  }
+
+  // Create the route config
+  const routeConfig: IRouteConfig = {
+    match,
+    action,
+    // Include a name based on domains if not provided
+    name: additionalOptions.name || `Legacy route for ${domainConfig.domains.join(', ')}`,
+    // Include a note that this was converted from a legacy config
+    description: additionalOptions.description || 'Converted from legacy domain configuration'
+  };
+
+  // Add optional properties if provided
+  if (additionalOptions.priority !== undefined) {
+    routeConfig.priority = additionalOptions.priority;
+  }
+  
+  if (additionalOptions.tags) {
+    routeConfig.tags = additionalOptions.tags;
+  }
+
+  return routeConfig;
+}
+
+/**
+ * Convert an array of legacy domain configs to route configurations
+ * @param domainConfigs Array of legacy domain configurations
+ * @returns Array of route configurations
+ * @deprecated This function will be removed in a future version
+ */
+export function domainConfigsToRouteConfigs(
+  domainConfigs: ILegacyDomainConfig[]
+): IRouteConfig[] {
+  return domainConfigs.map(config => domainConfigToRouteConfig(config));
+}
+
+/**
+ * Extract domains from a route configuration
+ * @param route Route configuration
+ * @returns Array of domains
+ */
+export function extractDomainsFromRoute(route: IRouteConfig): string[] {
+  if (!route.match.domains) {
+    return [];
+  }
+  
+  return Array.isArray(route.match.domains)
+    ? route.match.domains
+    : [route.match.domains];
+}
+
+/**
+ * Extract domains from an array of route configurations
+ * @param routes Array of route configurations
+ * @returns Array of unique domains
+ */
+export function extractDomainsFromRoutes(routes: IRouteConfig[]): string[] {
+  const domains = new Set<string>();
+  
+  for (const route of routes) {
+    const routeDomains = extractDomainsFromRoute(route);
+    for (const domain of routeDomains) {
+      domains.add(domain);
+    }
+  }
+  
+  return Array.from(domains);
+}