feat: added api for admin and org gateway management

backend/src/lib/config/env.ts

@@ -184,6 +184,13 @@ const envSchema = z
     USE_PG_QUEUE: zodStrBool.default("false"),
     SHOULD_INIT_PG_QUEUE: zodStrBool.default("false"),
 
+    /* Gateway----------------------------------------------------------------------------- */
+    GATEWAY_INFISICAL_STATIC_IP_ADDRESS: zpStr(z.string().optional()),
+    GATEWAY_RELAY_ADDRESS: zpStr(z.string().optional()),
+    GATEWAY_RELAY_AUTH_SECRET: zpStr(z.string().optional()),
+
+    /* ----------------------------------------------------------------------------- */
+
     /* App Connections ----------------------------------------------------------------------------- */
 
     // aws

backend/src/lib/crypto/hashtext.ts

@@ -0,0 +1,29 @@
+// used for postgres lock
+// this is something postgres does under the hood
+// convert any string to a unique number
+export const hashtext = (text: string) => {
+  // Convert text to UTF8 bytes array for consistent behavior with PostgreSQL
+  const encoder = new TextEncoder();
+  const bytes = encoder.encode(text);
+
+  // Implementation of hash_any
+  let result = 0;
+
+  for (let i = 0; i < bytes.length; i += 1) {
+    // eslint-disable-next-line no-bitwise
+    result = ((result << 5) + result) ^ bytes[i];
+    // Keep within 32-bit integer range
+    // eslint-disable-next-line no-bitwise
+    result >>>= 0;
+  }
+
+  // Convert to signed 32-bit integer like PostgreSQL
+  // eslint-disable-next-line no-bitwise
+  return result | 0;
+};
+
+export const pgAdvisoryLockHashText = (text: string) => {
+  const hash = hashtext(text);
+  // Ensure positive value within PostgreSQL integer range
+  return Math.abs(hash) % 2 ** 31;
+};

backend/src/lib/turn/credentials.ts

@@ -0,0 +1,16 @@
+import crypto from "node:crypto";
+
+const TURN_TOKEN_TTL = 60 * 60 * 1000; // 24 hours in milliseconds
+export const getTurnCredentials = (id: string, authSecret: string, ttl = TURN_TOKEN_TTL) => {
+  const timestamp = Math.floor((Date.now() + ttl) / 1000);
+  const username = `${timestamp}:${id}`;
+
+  const hmac = crypto.createHmac("sha1", authSecret);
+  hmac.update(username);
+  const password = hmac.digest("base64");
+
+  return {
+    username,
+    password
+  };
+};