Add support for pulling plan details from license server with LICENSE_KEY, LICENSE_SERVER_KEY

backend/src/ee/services/EELicenseService.ts

@@ -1,12 +1,99 @@
+import NodeCache from 'node-cache';
+import * as Sentry from '@sentry/node';
+import { 
+    getLicenseKey,
+    getLicenseServerKey,
+    getLicenseServerUrl
+} from '../../config';
+import { 
+    licenseKeyRequest,
+    refreshLicenseServerKeyToken,
+    refreshLicenseKeyToken
+} from '../../config/request';
+
+interface FeatureSet {
+    _id: string | null;
+    slug: 'starter' | 'team' | 'pro' | 'enterprise' | null;
+    tier: number | null;
+    projectLimit: number | null;
+    memberLimit: number | null;
+    secretVersioning: boolean;
+    pitRecovery: boolean;
+    rbac: boolean;
+    customRateLimits: boolean;
+    customAlerts: boolean;
+    auditLogs: boolean;
+}
+
 /**
- * Class to handle Enterprise Edition license actions
+ * Class to handle license/plan configurations:
+ * - Infisical Cloud: Fetch and cache customer plans in [localFeatureSet]
+ * - Self-hosted regular: Use default global feature set
+ * - Self-hosted enterprise: Fetch and update global feature set
  */
 class EELicenseService {
     
-    private readonly _isLicenseValid: boolean;
+    private readonly _isLicenseValid: boolean; // TODO: deprecate
+
+    public instanceType: 'self-hosted' | 'enterprise-self-hosted' | 'cloud' = 'self-hosted';
+
+    public globalFeatureSet: FeatureSet = {
+        _id: null,
+        slug: null,
+        tier: null,
+        projectLimit: null,
+        memberLimit: null,
+        secretVersioning: true,
+        pitRecovery: true,
+        rbac: true,
+        customRateLimits: true,
+        customAlerts: true,
+        auditLogs: false
+    }
+
+    public localFeatureSet: NodeCache;
     
-    constructor(licenseKey: string) {
+    constructor() {
         this._isLicenseValid = true;
+        this.localFeatureSet = new NodeCache({
+            stdTTL: 300
+        });
+    }
+
+    public async initGlobalFeatureSet() {
+        const licenseServerKey = await getLicenseServerKey();
+        const licenseKey = await getLicenseKey();
+
+        try {
+            if (licenseServerKey) {
+                // license server key is present -> validate it
+                const token = await refreshLicenseServerKeyToken()
+                    
+                if (token) {
+                    this.instanceType = 'cloud';
+                }
+                
+                return;
+            }
+            
+            if (licenseKey) {
+                // license key is present -> validate it
+                const token = await refreshLicenseKeyToken();
+                    
+                if (token) {
+                    const { data: { currentPlan } } = await licenseKeyRequest.get(
+                        `${await getLicenseServerUrl()}/api/license/v1/plan`
+                    );
+                    
+                    this.globalFeatureSet = currentPlan;
+                    this.instanceType = 'enterprise-self-hosted';
+                }
+            }
+        } catch (err) {
+            // case: self-hosted free
+            Sentry.setUser(null);
+            Sentry.captureException(err);
+        }
     }
 
     public get isLicenseValid(): boolean {
@@ -14,4 +101,4 @@ class EELicenseService {
     }
 }
 
-export default new EELicenseService('N/A');
+export default new EELicenseService();